/* Default profiling support.
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/* Default profiling support.
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Copyright (C) 1996, 1997, 1998, 2000, 2001, 2007, 2008
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Copyright (C) 1996, 1997, 1998, 2000, 2001, 2007, 2008
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Contributed by Cygnus Support.
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Contributed by Cygnus Support.
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This file is part of GDB, the GNU debugger.
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This file is part of GDB, the GNU debugger.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "sim-main.h"
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#include "sim-main.h"
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#include "sim-io.h"
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#include "sim-io.h"
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#include "sim-options.h"
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#include "sim-options.h"
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#include "sim-assert.h"
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#include "sim-assert.h"
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#ifdef HAVE_STDLIB_H
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#include <stdlib.h>
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#endif
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#endif
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#ifdef HAVE_STRING_H
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#ifdef HAVE_STRING_H
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#include <string.h>
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#include <string.h>
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#else
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#else
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#ifdef HAVE_STRINGS_H
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#include <strings.h>
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#endif
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#endif
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#endif
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#endif
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#include <ctype.h>
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#include <ctype.h>
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#define COMMAS(n) sim_add_commas (comma_buf, sizeof (comma_buf), (n))
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#define COMMAS(n) sim_add_commas (comma_buf, sizeof (comma_buf), (n))
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static MODULE_INIT_FN profile_init;
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static MODULE_INIT_FN profile_init;
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static MODULE_UNINSTALL_FN profile_uninstall;
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static MODULE_UNINSTALL_FN profile_uninstall;
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static DECLARE_OPTION_HANDLER (profile_option_handler);
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static DECLARE_OPTION_HANDLER (profile_option_handler);
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enum {
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enum {
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OPTION_PROFILE_INSN = OPTION_START,
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OPTION_PROFILE_INSN = OPTION_START,
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OPTION_PROFILE_MEMORY,
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OPTION_PROFILE_MEMORY,
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OPTION_PROFILE_MODEL,
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OPTION_PROFILE_MODEL,
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OPTION_PROFILE_FILE,
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OPTION_PROFILE_FILE,
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OPTION_PROFILE_CORE,
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OPTION_PROFILE_CORE,
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OPTION_PROFILE_CPU_FREQUENCY,
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OPTION_PROFILE_CPU_FREQUENCY,
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OPTION_PROFILE_PC,
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OPTION_PROFILE_PC,
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OPTION_PROFILE_PC_RANGE,
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OPTION_PROFILE_PC_RANGE,
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OPTION_PROFILE_PC_GRANULARITY,
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OPTION_PROFILE_PC_GRANULARITY,
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OPTION_PROFILE_RANGE,
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OPTION_PROFILE_RANGE,
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OPTION_PROFILE_FUNCTION
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OPTION_PROFILE_FUNCTION
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};
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};
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static const OPTION profile_options[] = {
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static const OPTION profile_options[] = {
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{ {"profile", optional_argument, NULL, 'p'},
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{ {"profile", optional_argument, NULL, 'p'},
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'p', "on|off", "Perform profiling",
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'p', "on|off", "Perform profiling",
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profile_option_handler },
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profile_option_handler },
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{ {"profile-insn", optional_argument, NULL, OPTION_PROFILE_INSN},
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{ {"profile-insn", optional_argument, NULL, OPTION_PROFILE_INSN},
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'\0', "on|off", "Perform instruction profiling",
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'\0', "on|off", "Perform instruction profiling",
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profile_option_handler },
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profile_option_handler },
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{ {"profile-memory", optional_argument, NULL, OPTION_PROFILE_MEMORY},
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{ {"profile-memory", optional_argument, NULL, OPTION_PROFILE_MEMORY},
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'\0', "on|off", "Perform memory profiling",
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'\0', "on|off", "Perform memory profiling",
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profile_option_handler },
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profile_option_handler },
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{ {"profile-core", optional_argument, NULL, OPTION_PROFILE_CORE},
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{ {"profile-core", optional_argument, NULL, OPTION_PROFILE_CORE},
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'\0', "on|off", "Perform CORE profiling",
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'\0', "on|off", "Perform CORE profiling",
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profile_option_handler },
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profile_option_handler },
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{ {"profile-model", optional_argument, NULL, OPTION_PROFILE_MODEL},
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{ {"profile-model", optional_argument, NULL, OPTION_PROFILE_MODEL},
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'\0', "on|off", "Perform model profiling",
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'\0', "on|off", "Perform model profiling",
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profile_option_handler },
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profile_option_handler },
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{ {"profile-cpu-frequency", required_argument, NULL,
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{ {"profile-cpu-frequency", required_argument, NULL,
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OPTION_PROFILE_CPU_FREQUENCY},
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OPTION_PROFILE_CPU_FREQUENCY},
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'\0', "CPU FREQUENCY", "Specify the speed of the simulated cpu clock",
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'\0', "CPU FREQUENCY", "Specify the speed of the simulated cpu clock",
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profile_option_handler },
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profile_option_handler },
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{ {"profile-file", required_argument, NULL, OPTION_PROFILE_FILE},
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{ {"profile-file", required_argument, NULL, OPTION_PROFILE_FILE},
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'\0', "FILE NAME", "Specify profile output file",
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'\0', "FILE NAME", "Specify profile output file",
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profile_option_handler },
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profile_option_handler },
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{ {"profile-pc", optional_argument, NULL, OPTION_PROFILE_PC},
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{ {"profile-pc", optional_argument, NULL, OPTION_PROFILE_PC},
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'\0', "on|off", "Perform PC profiling",
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'\0', "on|off", "Perform PC profiling",
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profile_option_handler },
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profile_option_handler },
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{ {"profile-pc-frequency", required_argument, NULL, 'F'},
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{ {"profile-pc-frequency", required_argument, NULL, 'F'},
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'F', "PC PROFILE FREQUENCY", "Specified PC profiling frequency",
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'F', "PC PROFILE FREQUENCY", "Specified PC profiling frequency",
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profile_option_handler },
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profile_option_handler },
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{ {"profile-pc-size", required_argument, NULL, 'S'},
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{ {"profile-pc-size", required_argument, NULL, 'S'},
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'S', "PC PROFILE SIZE", "Specify PC profiling size",
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'S', "PC PROFILE SIZE", "Specify PC profiling size",
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profile_option_handler },
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profile_option_handler },
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{ {"profile-pc-granularity", required_argument, NULL, OPTION_PROFILE_PC_GRANULARITY},
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{ {"profile-pc-granularity", required_argument, NULL, OPTION_PROFILE_PC_GRANULARITY},
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'\0', "PC PROFILE GRANULARITY", "Specify PC profiling sample coverage",
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'\0', "PC PROFILE GRANULARITY", "Specify PC profiling sample coverage",
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profile_option_handler },
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profile_option_handler },
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{ {"profile-pc-range", required_argument, NULL, OPTION_PROFILE_PC_RANGE},
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{ {"profile-pc-range", required_argument, NULL, OPTION_PROFILE_PC_RANGE},
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'\0', "BASE,BOUND", "Specify PC profiling address range",
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'\0', "BASE,BOUND", "Specify PC profiling address range",
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profile_option_handler },
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profile_option_handler },
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#ifdef SIM_HAVE_ADDR_RANGE
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#ifdef SIM_HAVE_ADDR_RANGE
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{ {"profile-range", required_argument, NULL, OPTION_PROFILE_RANGE},
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{ {"profile-range", required_argument, NULL, OPTION_PROFILE_RANGE},
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'\0', "START,END", "Specify range of addresses for instruction and model profiling",
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'\0', "START,END", "Specify range of addresses for instruction and model profiling",
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profile_option_handler },
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profile_option_handler },
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#if 0 /*wip*/
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#if 0 /*wip*/
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{ {"profile-function", required_argument, NULL, OPTION_PROFILE_FUNCTION},
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{ {"profile-function", required_argument, NULL, OPTION_PROFILE_FUNCTION},
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'\0', "FUNCTION", "Specify function to profile",
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'\0', "FUNCTION", "Specify function to profile",
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profile_option_handler },
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profile_option_handler },
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#endif
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#endif
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#endif
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#endif
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{ {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL }
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{ {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL }
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};
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};
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/* Set/reset the profile options indicated in MASK. */
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/* Set/reset the profile options indicated in MASK. */
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SIM_RC
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SIM_RC
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set_profile_option_mask (SIM_DESC sd, const char *name, int mask, const char *arg)
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set_profile_option_mask (SIM_DESC sd, const char *name, int mask, const char *arg)
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{
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{
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int profile_nr;
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int profile_nr;
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int cpu_nr;
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int cpu_nr;
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int profile_val = 1;
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int profile_val = 1;
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if (arg != NULL)
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if (arg != NULL)
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{
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{
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if (strcmp (arg, "yes") == 0
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if (strcmp (arg, "yes") == 0
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|| strcmp (arg, "on") == 0
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|| strcmp (arg, "on") == 0
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|| strcmp (arg, "1") == 0)
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|| strcmp (arg, "1") == 0)
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profile_val = 1;
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profile_val = 1;
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else if (strcmp (arg, "no") == 0
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else if (strcmp (arg, "no") == 0
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|| strcmp (arg, "off") == 0
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|| strcmp (arg, "off") == 0
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|| strcmp (arg, "0") == 0)
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|| strcmp (arg, "0") == 0)
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profile_val = 0;
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profile_val = 0;
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else
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else
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{
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{
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sim_io_eprintf (sd, "Argument `%s' for `--profile%s' invalid, one of `on', `off', `yes', `no' expected\n", arg, name);
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sim_io_eprintf (sd, "Argument `%s' for `--profile%s' invalid, one of `on', `off', `yes', `no' expected\n", arg, name);
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return SIM_RC_FAIL;
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return SIM_RC_FAIL;
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}
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}
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}
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}
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/* update applicable profile bits */
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/* update applicable profile bits */
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for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr)
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for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr)
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{
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{
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if ((mask & (1 << profile_nr)) == 0)
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if ((mask & (1 << profile_nr)) == 0)
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continue;
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continue;
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#if 0 /* see sim-trace.c, set flags in STATE here if/when there are any */
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#if 0 /* see sim-trace.c, set flags in STATE here if/when there are any */
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/* Set non-cpu specific values. */
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/* Set non-cpu specific values. */
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switch (profile_nr)
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switch (profile_nr)
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{
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{
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case ??? :
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case ??? :
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break;
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break;
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}
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}
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#endif
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#endif
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/* Set cpu values. */
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/* Set cpu values. */
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for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
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for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
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{
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{
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CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr] = profile_val;
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CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr] = profile_val;
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}
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}
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}
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}
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/* Re-compute the cpu profile summary. */
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/* Re-compute the cpu profile summary. */
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if (profile_val)
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if (profile_val)
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{
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{
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for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
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for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
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CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1;
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CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1;
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}
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}
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else
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else
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{
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{
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for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
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for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
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{
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{
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CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 0;
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CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 0;
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for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr)
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for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr)
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{
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{
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if (CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr])
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if (CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr])
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{
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{
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CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1;
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CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1;
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break;
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break;
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}
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}
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}
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}
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}
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}
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}
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}
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return SIM_RC_OK;
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return SIM_RC_OK;
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}
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}
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/* Set one profile option based on its IDX value.
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/* Set one profile option based on its IDX value.
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Not static as cgen-scache.c uses it. */
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Not static as cgen-scache.c uses it. */
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SIM_RC
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SIM_RC
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sim_profile_set_option (SIM_DESC sd, const char *name, int idx, const char *arg)
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sim_profile_set_option (SIM_DESC sd, const char *name, int idx, const char *arg)
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{
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{
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return set_profile_option_mask (sd, name, 1 << idx, arg);
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return set_profile_option_mask (sd, name, 1 << idx, arg);
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}
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}
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static SIM_RC
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static SIM_RC
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parse_frequency (SIM_DESC sd, const char *arg, unsigned long *freq)
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parse_frequency (SIM_DESC sd, const char *arg, unsigned long *freq)
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{
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{
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const char *ch;
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const char *ch;
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/* First, parse a decimal number. */
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/* First, parse a decimal number. */
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*freq = 0;
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*freq = 0;
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ch = arg;
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ch = arg;
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if (isdigit (*arg))
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if (isdigit (*arg))
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{
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{
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for (/**/; *ch != '\0'; ++ch)
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for (/**/; *ch != '\0'; ++ch)
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{
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{
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if (! isdigit (*ch))
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if (! isdigit (*ch))
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break;
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break;
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*freq = *freq * 10 + (*ch - '0');
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*freq = *freq * 10 + (*ch - '0');
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}
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}
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/* Accept KHz, MHz or Hz as a suffix. */
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/* Accept KHz, MHz or Hz as a suffix. */
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if (tolower (*ch) == 'm')
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if (tolower (*ch) == 'm')
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{
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{
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*freq *= 1000000;
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*freq *= 1000000;
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++ch;
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++ch;
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}
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}
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else if (tolower (*ch) == 'k')
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else if (tolower (*ch) == 'k')
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{
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{
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*freq *= 1000;
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*freq *= 1000;
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++ch;
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++ch;
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}
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}
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if (tolower (*ch) == 'h')
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if (tolower (*ch) == 'h')
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{
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{
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++ch;
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++ch;
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if (tolower (*ch) == 'z')
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if (tolower (*ch) == 'z')
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++ch;
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++ch;
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}
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}
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}
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}
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if (*ch != '\0')
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if (*ch != '\0')
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{
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{
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sim_io_eprintf (sd, "Invalid argument for --profile-cpu-frequency: %s\n",
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sim_io_eprintf (sd, "Invalid argument for --profile-cpu-frequency: %s\n",
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arg);
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arg);
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*freq = 0;
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*freq = 0;
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return SIM_RC_FAIL;
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return SIM_RC_FAIL;
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}
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}
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return SIM_RC_OK;
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return SIM_RC_OK;
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}
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}
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static SIM_RC
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static SIM_RC
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profile_option_handler (SIM_DESC sd,
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profile_option_handler (SIM_DESC sd,
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sim_cpu *cpu,
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sim_cpu *cpu,
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int opt,
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int opt,
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char *arg,
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char *arg,
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int is_command)
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int is_command)
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{
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{
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int cpu_nr;
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int cpu_nr;
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/* FIXME: Need to handle `cpu' arg. */
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/* FIXME: Need to handle `cpu' arg. */
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switch (opt)
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switch (opt)
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{
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{
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case 'p' :
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case 'p' :
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if (! WITH_PROFILE)
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if (! WITH_PROFILE)
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sim_io_eprintf (sd, "Profiling not compiled in, `-p' ignored\n");
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sim_io_eprintf (sd, "Profiling not compiled in, `-p' ignored\n");
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else
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else
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return set_profile_option_mask (sd, "profile", PROFILE_USEFUL_MASK,
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return set_profile_option_mask (sd, "profile", PROFILE_USEFUL_MASK,
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arg);
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arg);
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break;
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break;
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|
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case OPTION_PROFILE_INSN :
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case OPTION_PROFILE_INSN :
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if (WITH_PROFILE_INSN_P)
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if (WITH_PROFILE_INSN_P)
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return sim_profile_set_option (sd, "-insn", PROFILE_INSN_IDX, arg);
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return sim_profile_set_option (sd, "-insn", PROFILE_INSN_IDX, arg);
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else
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else
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sim_io_eprintf (sd, "Instruction profiling not compiled in, `--profile-insn' ignored\n");
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sim_io_eprintf (sd, "Instruction profiling not compiled in, `--profile-insn' ignored\n");
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break;
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break;
|
|
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case OPTION_PROFILE_MEMORY :
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case OPTION_PROFILE_MEMORY :
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if (WITH_PROFILE_MEMORY_P)
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if (WITH_PROFILE_MEMORY_P)
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return sim_profile_set_option (sd, "-memory", PROFILE_MEMORY_IDX, arg);
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return sim_profile_set_option (sd, "-memory", PROFILE_MEMORY_IDX, arg);
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else
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else
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sim_io_eprintf (sd, "Memory profiling not compiled in, `--profile-memory' ignored\n");
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sim_io_eprintf (sd, "Memory profiling not compiled in, `--profile-memory' ignored\n");
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break;
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break;
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|
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case OPTION_PROFILE_CORE :
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case OPTION_PROFILE_CORE :
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if (WITH_PROFILE_CORE_P)
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if (WITH_PROFILE_CORE_P)
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return sim_profile_set_option (sd, "-core", PROFILE_CORE_IDX, arg);
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return sim_profile_set_option (sd, "-core", PROFILE_CORE_IDX, arg);
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else
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else
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sim_io_eprintf (sd, "CORE profiling not compiled in, `--profile-core' ignored\n");
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sim_io_eprintf (sd, "CORE profiling not compiled in, `--profile-core' ignored\n");
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break;
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break;
|
|
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case OPTION_PROFILE_MODEL :
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case OPTION_PROFILE_MODEL :
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if (WITH_PROFILE_MODEL_P)
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if (WITH_PROFILE_MODEL_P)
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return sim_profile_set_option (sd, "-model", PROFILE_MODEL_IDX, arg);
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return sim_profile_set_option (sd, "-model", PROFILE_MODEL_IDX, arg);
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else
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else
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sim_io_eprintf (sd, "Model profiling not compiled in, `--profile-model' ignored\n");
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sim_io_eprintf (sd, "Model profiling not compiled in, `--profile-model' ignored\n");
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break;
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break;
|
|
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case OPTION_PROFILE_CPU_FREQUENCY :
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case OPTION_PROFILE_CPU_FREQUENCY :
|
{
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{
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unsigned long val;
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unsigned long val;
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SIM_RC rc = parse_frequency (sd, arg, &val);
|
SIM_RC rc = parse_frequency (sd, arg, &val);
|
if (rc == SIM_RC_OK)
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if (rc == SIM_RC_OK)
|
{
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{
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for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
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for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
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PROFILE_CPU_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd,cpu_nr))) = val;
|
PROFILE_CPU_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd,cpu_nr))) = val;
|
}
|
}
|
return rc;
|
return rc;
|
}
|
}
|
|
|
case OPTION_PROFILE_FILE :
|
case OPTION_PROFILE_FILE :
|
/* FIXME: Might want this to apply to pc profiling only,
|
/* FIXME: Might want this to apply to pc profiling only,
|
or have two profile file options. */
|
or have two profile file options. */
|
if (! WITH_PROFILE)
|
if (! WITH_PROFILE)
|
sim_io_eprintf (sd, "Profiling not compiled in, `--profile-file' ignored\n");
|
sim_io_eprintf (sd, "Profiling not compiled in, `--profile-file' ignored\n");
|
else
|
else
|
{
|
{
|
FILE *f = fopen (arg, "w");
|
FILE *f = fopen (arg, "w");
|
|
|
if (f == NULL)
|
if (f == NULL)
|
{
|
{
|
sim_io_eprintf (sd, "Unable to open profile output file `%s'\n", arg);
|
sim_io_eprintf (sd, "Unable to open profile output file `%s'\n", arg);
|
return SIM_RC_FAIL;
|
return SIM_RC_FAIL;
|
}
|
}
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = f;
|
PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = f;
|
}
|
}
|
break;
|
break;
|
|
|
case OPTION_PROFILE_PC:
|
case OPTION_PROFILE_PC:
|
if (WITH_PROFILE_PC_P)
|
if (WITH_PROFILE_PC_P)
|
return sim_profile_set_option (sd, "-pc", PROFILE_PC_IDX, arg);
|
return sim_profile_set_option (sd, "-pc", PROFILE_PC_IDX, arg);
|
else
|
else
|
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc' ignored\n");
|
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc' ignored\n");
|
break;
|
break;
|
|
|
case 'F' :
|
case 'F' :
|
if (WITH_PROFILE_PC_P)
|
if (WITH_PROFILE_PC_P)
|
{
|
{
|
/* FIXME: Validate arg. */
|
/* FIXME: Validate arg. */
|
int val = atoi (arg);
|
int val = atoi (arg);
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
PROFILE_PC_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val;
|
PROFILE_PC_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val;
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
|
CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
|
}
|
}
|
else
|
else
|
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-frequency' ignored\n");
|
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-frequency' ignored\n");
|
break;
|
break;
|
|
|
case 'S' :
|
case 'S' :
|
if (WITH_PROFILE_PC_P)
|
if (WITH_PROFILE_PC_P)
|
{
|
{
|
/* FIXME: Validate arg. */
|
/* FIXME: Validate arg. */
|
int val = atoi (arg);
|
int val = atoi (arg);
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
PROFILE_PC_NR_BUCKETS (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val;
|
PROFILE_PC_NR_BUCKETS (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val;
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
|
CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
|
}
|
}
|
else
|
else
|
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-size' ignored\n");
|
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-size' ignored\n");
|
break;
|
break;
|
|
|
case OPTION_PROFILE_PC_GRANULARITY:
|
case OPTION_PROFILE_PC_GRANULARITY:
|
if (WITH_PROFILE_PC_P)
|
if (WITH_PROFILE_PC_P)
|
{
|
{
|
int shift;
|
int shift;
|
int val = atoi (arg);
|
int val = atoi (arg);
|
/* check that the granularity is a power of two */
|
/* check that the granularity is a power of two */
|
shift = 0;
|
shift = 0;
|
while (val > (1 << shift))
|
while (val > (1 << shift))
|
{
|
{
|
shift += 1;
|
shift += 1;
|
}
|
}
|
if (val != (1 << shift))
|
if (val != (1 << shift))
|
{
|
{
|
sim_io_eprintf (sd, "PC profiling granularity not a power of two\n");
|
sim_io_eprintf (sd, "PC profiling granularity not a power of two\n");
|
return SIM_RC_FAIL;
|
return SIM_RC_FAIL;
|
}
|
}
|
if (shift == 0)
|
if (shift == 0)
|
{
|
{
|
sim_io_eprintf (sd, "PC profiling granularity too small");
|
sim_io_eprintf (sd, "PC profiling granularity too small");
|
return SIM_RC_FAIL;
|
return SIM_RC_FAIL;
|
}
|
}
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
PROFILE_PC_SHIFT (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = shift;
|
PROFILE_PC_SHIFT (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = shift;
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
|
CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
|
}
|
}
|
else
|
else
|
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-granularity' ignored\n");
|
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-granularity' ignored\n");
|
break;
|
break;
|
|
|
case OPTION_PROFILE_PC_RANGE:
|
case OPTION_PROFILE_PC_RANGE:
|
if (WITH_PROFILE_PC_P)
|
if (WITH_PROFILE_PC_P)
|
{
|
{
|
/* FIXME: Validate args */
|
/* FIXME: Validate args */
|
char *chp = arg;
|
char *chp = arg;
|
unsigned long base;
|
unsigned long base;
|
unsigned long bound;
|
unsigned long bound;
|
base = strtoul (chp, &chp, 0);
|
base = strtoul (chp, &chp, 0);
|
if (*chp != ',')
|
if (*chp != ',')
|
{
|
{
|
sim_io_eprintf (sd, "--profile-pc-range missing BOUND argument\n");
|
sim_io_eprintf (sd, "--profile-pc-range missing BOUND argument\n");
|
return SIM_RC_FAIL;
|
return SIM_RC_FAIL;
|
}
|
}
|
bound = strtoul (chp + 1, NULL, 0);
|
bound = strtoul (chp + 1, NULL, 0);
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
{
|
{
|
PROFILE_PC_START (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = base;
|
PROFILE_PC_START (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = base;
|
PROFILE_PC_END (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = bound;
|
PROFILE_PC_END (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = bound;
|
}
|
}
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
|
CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
|
}
|
}
|
else
|
else
|
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-range' ignored\n");
|
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-range' ignored\n");
|
break;
|
break;
|
|
|
#ifdef SIM_HAVE_ADDR_RANGE
|
#ifdef SIM_HAVE_ADDR_RANGE
|
case OPTION_PROFILE_RANGE :
|
case OPTION_PROFILE_RANGE :
|
if (WITH_PROFILE)
|
if (WITH_PROFILE)
|
{
|
{
|
char *chp = arg;
|
char *chp = arg;
|
unsigned long start,end;
|
unsigned long start,end;
|
start = strtoul (chp, &chp, 0);
|
start = strtoul (chp, &chp, 0);
|
if (*chp != ',')
|
if (*chp != ',')
|
{
|
{
|
sim_io_eprintf (sd, "--profile-range missing END argument\n");
|
sim_io_eprintf (sd, "--profile-range missing END argument\n");
|
return SIM_RC_FAIL;
|
return SIM_RC_FAIL;
|
}
|
}
|
end = strtoul (chp + 1, NULL, 0);
|
end = strtoul (chp + 1, NULL, 0);
|
/* FIXME: Argument validation. */
|
/* FIXME: Argument validation. */
|
if (cpu != NULL)
|
if (cpu != NULL)
|
sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)),
|
sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)),
|
start, end);
|
start, end);
|
else
|
else
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
|
sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))),
|
sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))),
|
start, end);
|
start, end);
|
}
|
}
|
else
|
else
|
sim_io_eprintf (sd, "Profiling not compiled in, `--profile-range' ignored\n");
|
sim_io_eprintf (sd, "Profiling not compiled in, `--profile-range' ignored\n");
|
break;
|
break;
|
|
|
case OPTION_PROFILE_FUNCTION :
|
case OPTION_PROFILE_FUNCTION :
|
if (WITH_PROFILE)
|
if (WITH_PROFILE)
|
{
|
{
|
/*wip: need to compute function range given name*/
|
/*wip: need to compute function range given name*/
|
}
|
}
|
else
|
else
|
sim_io_eprintf (sd, "Profiling not compiled in, `--profile-function' ignored\n");
|
sim_io_eprintf (sd, "Profiling not compiled in, `--profile-function' ignored\n");
|
break;
|
break;
|
#endif /* SIM_HAVE_ADDR_RANGE */
|
#endif /* SIM_HAVE_ADDR_RANGE */
|
}
|
}
|
|
|
return SIM_RC_OK;
|
return SIM_RC_OK;
|
}
|
}
|
|
|
/* PC profiling support */
|
/* PC profiling support */
|
|
|
#if WITH_PROFILE_PC_P
|
#if WITH_PROFILE_PC_P
|
|
|
static void
|
static void
|
profile_pc_cleanup (SIM_DESC sd)
|
profile_pc_cleanup (SIM_DESC sd)
|
{
|
{
|
int n;
|
int n;
|
for (n = 0; n < MAX_NR_PROCESSORS; n++)
|
for (n = 0; n < MAX_NR_PROCESSORS; n++)
|
{
|
{
|
sim_cpu *cpu = STATE_CPU (sd, n);
|
sim_cpu *cpu = STATE_CPU (sd, n);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
if (PROFILE_PC_COUNT (data) != NULL)
|
if (PROFILE_PC_COUNT (data) != NULL)
|
zfree (PROFILE_PC_COUNT (data));
|
zfree (PROFILE_PC_COUNT (data));
|
PROFILE_PC_COUNT (data) = NULL;
|
PROFILE_PC_COUNT (data) = NULL;
|
if (PROFILE_PC_EVENT (data) != NULL)
|
if (PROFILE_PC_EVENT (data) != NULL)
|
sim_events_deschedule (sd, PROFILE_PC_EVENT (data));
|
sim_events_deschedule (sd, PROFILE_PC_EVENT (data));
|
PROFILE_PC_EVENT (data) = NULL;
|
PROFILE_PC_EVENT (data) = NULL;
|
}
|
}
|
}
|
}
|
|
|
|
|
static void
|
static void
|
profile_pc_uninstall (SIM_DESC sd)
|
profile_pc_uninstall (SIM_DESC sd)
|
{
|
{
|
profile_pc_cleanup (sd);
|
profile_pc_cleanup (sd);
|
}
|
}
|
|
|
static void
|
static void
|
profile_pc_event (SIM_DESC sd,
|
profile_pc_event (SIM_DESC sd,
|
void *data)
|
void *data)
|
{
|
{
|
sim_cpu *cpu = (sim_cpu*) data;
|
sim_cpu *cpu = (sim_cpu*) data;
|
PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu);
|
PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu);
|
address_word pc;
|
address_word pc;
|
unsigned i;
|
unsigned i;
|
switch (STATE_WATCHPOINTS (sd)->sizeof_pc)
|
switch (STATE_WATCHPOINTS (sd)->sizeof_pc)
|
{
|
{
|
case 2: pc = *(unsigned_2*)(STATE_WATCHPOINTS (sd)->pc) ; break;
|
case 2: pc = *(unsigned_2*)(STATE_WATCHPOINTS (sd)->pc) ; break;
|
case 4: pc = *(unsigned_4*)(STATE_WATCHPOINTS (sd)->pc) ; break;
|
case 4: pc = *(unsigned_4*)(STATE_WATCHPOINTS (sd)->pc) ; break;
|
case 8: pc = *(unsigned_8*)(STATE_WATCHPOINTS (sd)->pc) ; break;
|
case 8: pc = *(unsigned_8*)(STATE_WATCHPOINTS (sd)->pc) ; break;
|
default: pc = 0;
|
default: pc = 0;
|
}
|
}
|
i = (pc - PROFILE_PC_START (profile)) >> PROFILE_PC_SHIFT (profile);
|
i = (pc - PROFILE_PC_START (profile)) >> PROFILE_PC_SHIFT (profile);
|
if (i < PROFILE_PC_NR_BUCKETS (profile))
|
if (i < PROFILE_PC_NR_BUCKETS (profile))
|
PROFILE_PC_COUNT (profile) [i] += 1; /* Overflow? */
|
PROFILE_PC_COUNT (profile) [i] += 1; /* Overflow? */
|
else
|
else
|
PROFILE_PC_COUNT (profile) [PROFILE_PC_NR_BUCKETS (profile)] += 1;
|
PROFILE_PC_COUNT (profile) [PROFILE_PC_NR_BUCKETS (profile)] += 1;
|
PROFILE_PC_EVENT (profile) =
|
PROFILE_PC_EVENT (profile) =
|
sim_events_schedule (sd, PROFILE_PC_FREQ (profile), profile_pc_event, cpu);
|
sim_events_schedule (sd, PROFILE_PC_FREQ (profile), profile_pc_event, cpu);
|
}
|
}
|
|
|
static SIM_RC
|
static SIM_RC
|
profile_pc_init (SIM_DESC sd)
|
profile_pc_init (SIM_DESC sd)
|
{
|
{
|
int n;
|
int n;
|
profile_pc_cleanup (sd);
|
profile_pc_cleanup (sd);
|
for (n = 0; n < MAX_NR_PROCESSORS; n++)
|
for (n = 0; n < MAX_NR_PROCESSORS; n++)
|
{
|
{
|
sim_cpu *cpu = STATE_CPU (sd, n);
|
sim_cpu *cpu = STATE_CPU (sd, n);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
if (CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX]
|
if (CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX]
|
&& STATE_WATCHPOINTS (sd)->pc != NULL)
|
&& STATE_WATCHPOINTS (sd)->pc != NULL)
|
{
|
{
|
int bucket_size;
|
int bucket_size;
|
/* fill in the frequency if not specified */
|
/* fill in the frequency if not specified */
|
if (PROFILE_PC_FREQ (data) == 0)
|
if (PROFILE_PC_FREQ (data) == 0)
|
PROFILE_PC_FREQ (data) = 257;
|
PROFILE_PC_FREQ (data) = 257;
|
/* fill in the start/end if not specified */
|
/* fill in the start/end if not specified */
|
if (PROFILE_PC_END (data) == 0)
|
if (PROFILE_PC_END (data) == 0)
|
{
|
{
|
PROFILE_PC_START (data) = STATE_TEXT_START (sd);
|
PROFILE_PC_START (data) = STATE_TEXT_START (sd);
|
PROFILE_PC_END (data) = STATE_TEXT_END (sd);
|
PROFILE_PC_END (data) = STATE_TEXT_END (sd);
|
}
|
}
|
/* Compute the number of buckets if not specified. */
|
/* Compute the number of buckets if not specified. */
|
if (PROFILE_PC_NR_BUCKETS (data) == 0)
|
if (PROFILE_PC_NR_BUCKETS (data) == 0)
|
{
|
{
|
if (PROFILE_PC_BUCKET_SIZE (data) == 0)
|
if (PROFILE_PC_BUCKET_SIZE (data) == 0)
|
PROFILE_PC_NR_BUCKETS (data) = 16;
|
PROFILE_PC_NR_BUCKETS (data) = 16;
|
else
|
else
|
{
|
{
|
if (PROFILE_PC_END (data) == 0)
|
if (PROFILE_PC_END (data) == 0)
|
{
|
{
|
/* nr_buckets = (full-address-range / 2) / (bucket_size / 2) */
|
/* nr_buckets = (full-address-range / 2) / (bucket_size / 2) */
|
PROFILE_PC_NR_BUCKETS (data) =
|
PROFILE_PC_NR_BUCKETS (data) =
|
((1 << (STATE_WATCHPOINTS (sd)->sizeof_pc) * (8 - 1))
|
((1 << (STATE_WATCHPOINTS (sd)->sizeof_pc) * (8 - 1))
|
/ (PROFILE_PC_BUCKET_SIZE (data) / 2));
|
/ (PROFILE_PC_BUCKET_SIZE (data) / 2));
|
}
|
}
|
else
|
else
|
{
|
{
|
PROFILE_PC_NR_BUCKETS (data) =
|
PROFILE_PC_NR_BUCKETS (data) =
|
((PROFILE_PC_END (data)
|
((PROFILE_PC_END (data)
|
- PROFILE_PC_START (data)
|
- PROFILE_PC_START (data)
|
+ PROFILE_PC_BUCKET_SIZE (data) - 1)
|
+ PROFILE_PC_BUCKET_SIZE (data) - 1)
|
/ PROFILE_PC_BUCKET_SIZE (data));
|
/ PROFILE_PC_BUCKET_SIZE (data));
|
}
|
}
|
}
|
}
|
}
|
}
|
/* Compute the bucket size if not specified. Ensure that it
|
/* Compute the bucket size if not specified. Ensure that it
|
is rounded up to the next power of two */
|
is rounded up to the next power of two */
|
if (PROFILE_PC_BUCKET_SIZE (data) == 0)
|
if (PROFILE_PC_BUCKET_SIZE (data) == 0)
|
{
|
{
|
if (PROFILE_PC_END (data) == 0)
|
if (PROFILE_PC_END (data) == 0)
|
/* bucket_size = (full-address-range / 2) / (nr_buckets / 2) */
|
/* bucket_size = (full-address-range / 2) / (nr_buckets / 2) */
|
bucket_size = ((1 << ((STATE_WATCHPOINTS (sd)->sizeof_pc * 8) - 1))
|
bucket_size = ((1 << ((STATE_WATCHPOINTS (sd)->sizeof_pc * 8) - 1))
|
/ (PROFILE_PC_NR_BUCKETS (data) / 2));
|
/ (PROFILE_PC_NR_BUCKETS (data) / 2));
|
else
|
else
|
bucket_size = ((PROFILE_PC_END (data)
|
bucket_size = ((PROFILE_PC_END (data)
|
- PROFILE_PC_START (data)
|
- PROFILE_PC_START (data)
|
+ PROFILE_PC_NR_BUCKETS (data) - 1)
|
+ PROFILE_PC_NR_BUCKETS (data) - 1)
|
/ PROFILE_PC_NR_BUCKETS (data));
|
/ PROFILE_PC_NR_BUCKETS (data));
|
PROFILE_PC_SHIFT (data) = 0;
|
PROFILE_PC_SHIFT (data) = 0;
|
while (bucket_size > PROFILE_PC_BUCKET_SIZE (data))
|
while (bucket_size > PROFILE_PC_BUCKET_SIZE (data))
|
{
|
{
|
PROFILE_PC_SHIFT (data) += 1;
|
PROFILE_PC_SHIFT (data) += 1;
|
}
|
}
|
}
|
}
|
/* Align the end address with bucket size */
|
/* Align the end address with bucket size */
|
if (PROFILE_PC_END (data) != 0)
|
if (PROFILE_PC_END (data) != 0)
|
PROFILE_PC_END (data) = (PROFILE_PC_START (data)
|
PROFILE_PC_END (data) = (PROFILE_PC_START (data)
|
+ (PROFILE_PC_BUCKET_SIZE (data)
|
+ (PROFILE_PC_BUCKET_SIZE (data)
|
* PROFILE_PC_NR_BUCKETS (data)));
|
* PROFILE_PC_NR_BUCKETS (data)));
|
/* create the relevant buffers */
|
/* create the relevant buffers */
|
PROFILE_PC_COUNT (data) =
|
PROFILE_PC_COUNT (data) =
|
NZALLOC (unsigned, PROFILE_PC_NR_BUCKETS (data) + 1);
|
NZALLOC (unsigned, PROFILE_PC_NR_BUCKETS (data) + 1);
|
PROFILE_PC_EVENT (data) =
|
PROFILE_PC_EVENT (data) =
|
sim_events_schedule (sd,
|
sim_events_schedule (sd,
|
PROFILE_PC_FREQ (data),
|
PROFILE_PC_FREQ (data),
|
profile_pc_event,
|
profile_pc_event,
|
cpu);
|
cpu);
|
}
|
}
|
}
|
}
|
return SIM_RC_OK;
|
return SIM_RC_OK;
|
}
|
}
|
|
|
static void
|
static void
|
profile_print_pc (sim_cpu *cpu, int verbose)
|
profile_print_pc (sim_cpu *cpu, int verbose)
|
{
|
{
|
SIM_DESC sd = CPU_STATE (cpu);
|
SIM_DESC sd = CPU_STATE (cpu);
|
PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu);
|
PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu);
|
char comma_buf[20];
|
char comma_buf[20];
|
unsigned max_val;
|
unsigned max_val;
|
unsigned total;
|
unsigned total;
|
unsigned i;
|
unsigned i;
|
|
|
if (PROFILE_PC_COUNT (profile) == 0)
|
if (PROFILE_PC_COUNT (profile) == 0)
|
return;
|
return;
|
|
|
sim_io_printf (sd, "Program Counter Statistics:\n\n");
|
sim_io_printf (sd, "Program Counter Statistics:\n\n");
|
|
|
/* First pass over data computes various things. */
|
/* First pass over data computes various things. */
|
max_val = 0;
|
max_val = 0;
|
total = 0;
|
total = 0;
|
for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i)
|
for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i)
|
{
|
{
|
total += PROFILE_PC_COUNT (profile) [i];
|
total += PROFILE_PC_COUNT (profile) [i];
|
if (PROFILE_PC_COUNT (profile) [i] > max_val)
|
if (PROFILE_PC_COUNT (profile) [i] > max_val)
|
max_val = PROFILE_PC_COUNT (profile) [i];
|
max_val = PROFILE_PC_COUNT (profile) [i];
|
}
|
}
|
|
|
sim_io_printf (sd, " Total samples: %s\n",
|
sim_io_printf (sd, " Total samples: %s\n",
|
COMMAS (total));
|
COMMAS (total));
|
sim_io_printf (sd, " Granularity: %s bytes per bucket\n",
|
sim_io_printf (sd, " Granularity: %s bytes per bucket\n",
|
COMMAS (PROFILE_PC_BUCKET_SIZE (profile)));
|
COMMAS (PROFILE_PC_BUCKET_SIZE (profile)));
|
sim_io_printf (sd, " Size: %s buckets\n",
|
sim_io_printf (sd, " Size: %s buckets\n",
|
COMMAS (PROFILE_PC_NR_BUCKETS (profile)));
|
COMMAS (PROFILE_PC_NR_BUCKETS (profile)));
|
sim_io_printf (sd, " Frequency: %s cycles per sample\n",
|
sim_io_printf (sd, " Frequency: %s cycles per sample\n",
|
COMMAS (PROFILE_PC_FREQ (profile)));
|
COMMAS (PROFILE_PC_FREQ (profile)));
|
|
|
if (PROFILE_PC_END (profile) != 0)
|
if (PROFILE_PC_END (profile) != 0)
|
sim_io_printf (sd, " Range: 0x%lx 0x%lx\n",
|
sim_io_printf (sd, " Range: 0x%lx 0x%lx\n",
|
(long) PROFILE_PC_START (profile),
|
(long) PROFILE_PC_START (profile),
|
(long) PROFILE_PC_END (profile));
|
(long) PROFILE_PC_END (profile));
|
|
|
if (verbose && max_val != 0)
|
if (verbose && max_val != 0)
|
{
|
{
|
/* Now we can print the histogram. */
|
/* Now we can print the histogram. */
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i)
|
for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i)
|
{
|
{
|
if (PROFILE_PC_COUNT (profile) [i] != 0)
|
if (PROFILE_PC_COUNT (profile) [i] != 0)
|
{
|
{
|
sim_io_printf (sd, " ");
|
sim_io_printf (sd, " ");
|
if (i == PROFILE_PC_NR_BUCKETS (profile))
|
if (i == PROFILE_PC_NR_BUCKETS (profile))
|
sim_io_printf (sd, "%10s:", "overflow");
|
sim_io_printf (sd, "%10s:", "overflow");
|
else
|
else
|
sim_io_printf (sd, "0x%08lx:",
|
sim_io_printf (sd, "0x%08lx:",
|
(long) (PROFILE_PC_START (profile)
|
(long) (PROFILE_PC_START (profile)
|
+ (i * PROFILE_PC_BUCKET_SIZE (profile))));
|
+ (i * PROFILE_PC_BUCKET_SIZE (profile))));
|
sim_io_printf (sd, " %*s",
|
sim_io_printf (sd, " %*s",
|
max_val < 10000 ? 5 : 10,
|
max_val < 10000 ? 5 : 10,
|
COMMAS (PROFILE_PC_COUNT (profile) [i]));
|
COMMAS (PROFILE_PC_COUNT (profile) [i]));
|
sim_io_printf (sd, " %4.1f",
|
sim_io_printf (sd, " %4.1f",
|
(PROFILE_PC_COUNT (profile) [i] * 100.0) / total);
|
(PROFILE_PC_COUNT (profile) [i] * 100.0) / total);
|
sim_io_printf (sd, ": ");
|
sim_io_printf (sd, ": ");
|
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
|
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
|
PROFILE_PC_COUNT (profile) [i],
|
PROFILE_PC_COUNT (profile) [i],
|
max_val);
|
max_val);
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* dump the histogram to the file "gmon.out" using BSD's gprof file
|
/* dump the histogram to the file "gmon.out" using BSD's gprof file
|
format */
|
format */
|
/* Since a profile data file is in the native format of the host on
|
/* Since a profile data file is in the native format of the host on
|
which the profile is being, endian issues are not considered in
|
which the profile is being, endian issues are not considered in
|
the code below. */
|
the code below. */
|
/* FIXME: Is this the best place for this code? */
|
/* FIXME: Is this the best place for this code? */
|
{
|
{
|
FILE *pf = fopen ("gmon.out", "wb");
|
FILE *pf = fopen ("gmon.out", "wb");
|
|
|
if (pf == NULL)
|
if (pf == NULL)
|
sim_io_eprintf (sd, "Failed to open \"gmon.out\" profile file\n");
|
sim_io_eprintf (sd, "Failed to open \"gmon.out\" profile file\n");
|
else
|
else
|
{
|
{
|
int ok;
|
int ok;
|
/* FIXME: what if the target has a 64 bit PC? */
|
/* FIXME: what if the target has a 64 bit PC? */
|
unsigned32 header[3];
|
unsigned32 header[3];
|
unsigned loop;
|
unsigned loop;
|
if (PROFILE_PC_END (profile) != 0)
|
if (PROFILE_PC_END (profile) != 0)
|
{
|
{
|
header[0] = PROFILE_PC_START (profile);
|
header[0] = PROFILE_PC_START (profile);
|
header[1] = PROFILE_PC_END (profile);
|
header[1] = PROFILE_PC_END (profile);
|
}
|
}
|
else
|
else
|
{
|
{
|
header[0] = 0;
|
header[0] = 0;
|
header[1] = 0;
|
header[1] = 0;
|
}
|
}
|
/* size of sample buffer (+ header) */
|
/* size of sample buffer (+ header) */
|
header[2] = PROFILE_PC_NR_BUCKETS (profile) * 2 + sizeof (header);
|
header[2] = PROFILE_PC_NR_BUCKETS (profile) * 2 + sizeof (header);
|
|
|
/* Header must be written out in target byte order. */
|
/* Header must be written out in target byte order. */
|
H2T (header[0]);
|
H2T (header[0]);
|
H2T (header[1]);
|
H2T (header[1]);
|
H2T (header[2]);
|
H2T (header[2]);
|
|
|
ok = fwrite (&header, sizeof (header), 1, pf);
|
ok = fwrite (&header, sizeof (header), 1, pf);
|
for (loop = 0;
|
for (loop = 0;
|
ok && (loop < PROFILE_PC_NR_BUCKETS (profile));
|
ok && (loop < PROFILE_PC_NR_BUCKETS (profile));
|
loop++)
|
loop++)
|
{
|
{
|
signed16 sample;
|
signed16 sample;
|
if (PROFILE_PC_COUNT (profile) [loop] >= 0xffff)
|
if (PROFILE_PC_COUNT (profile) [loop] >= 0xffff)
|
sample = 0xffff;
|
sample = 0xffff;
|
else
|
else
|
sample = PROFILE_PC_COUNT (profile) [loop];
|
sample = PROFILE_PC_COUNT (profile) [loop];
|
H2T (sample);
|
H2T (sample);
|
ok = fwrite (&sample, sizeof (sample), 1, pf);
|
ok = fwrite (&sample, sizeof (sample), 1, pf);
|
}
|
}
|
if (ok == 0)
|
if (ok == 0)
|
sim_io_eprintf (sd, "Failed to write to \"gmon.out\" profile file\n");
|
sim_io_eprintf (sd, "Failed to write to \"gmon.out\" profile file\n");
|
fclose(pf);
|
fclose(pf);
|
}
|
}
|
}
|
}
|
|
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
}
|
}
|
|
|
#endif
|
#endif
|
|
|
/* Summary printing support. */
|
/* Summary printing support. */
|
|
|
#if WITH_PROFILE_INSN_P
|
#if WITH_PROFILE_INSN_P
|
|
|
static SIM_RC
|
static SIM_RC
|
profile_insn_init (SIM_DESC sd)
|
profile_insn_init (SIM_DESC sd)
|
{
|
{
|
int c;
|
int c;
|
|
|
for (c = 0; c < MAX_NR_PROCESSORS; ++c)
|
for (c = 0; c < MAX_NR_PROCESSORS; ++c)
|
{
|
{
|
sim_cpu *cpu = STATE_CPU (sd, c);
|
sim_cpu *cpu = STATE_CPU (sd, c);
|
|
|
if (CPU_MAX_INSNS (cpu) > 0)
|
if (CPU_MAX_INSNS (cpu) > 0)
|
PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) = NZALLOC (unsigned int, CPU_MAX_INSNS (cpu));
|
PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) = NZALLOC (unsigned int, CPU_MAX_INSNS (cpu));
|
}
|
}
|
|
|
return SIM_RC_OK;
|
return SIM_RC_OK;
|
}
|
}
|
|
|
static void
|
static void
|
profile_print_insn (sim_cpu *cpu, int verbose)
|
profile_print_insn (sim_cpu *cpu, int verbose)
|
{
|
{
|
unsigned int i, n, total, max_val, max_name_len;
|
unsigned int i, n, total, max_val, max_name_len;
|
SIM_DESC sd = CPU_STATE (cpu);
|
SIM_DESC sd = CPU_STATE (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
char comma_buf[20];
|
char comma_buf[20];
|
|
|
/* If MAX_INSNS not set, insn profiling isn't supported. */
|
/* If MAX_INSNS not set, insn profiling isn't supported. */
|
if (CPU_MAX_INSNS (cpu) == 0)
|
if (CPU_MAX_INSNS (cpu) == 0)
|
return;
|
return;
|
|
|
sim_io_printf (sd, "Instruction Statistics");
|
sim_io_printf (sd, "Instruction Statistics");
|
#ifdef SIM_HAVE_ADDR_RANGE
|
#ifdef SIM_HAVE_ADDR_RANGE
|
if (PROFILE_RANGE (data)->ranges)
|
if (PROFILE_RANGE (data)->ranges)
|
sim_io_printf (sd, " (for selected address range(s))");
|
sim_io_printf (sd, " (for selected address range(s))");
|
#endif
|
#endif
|
sim_io_printf (sd, "\n\n");
|
sim_io_printf (sd, "\n\n");
|
|
|
/* First pass over data computes various things. */
|
/* First pass over data computes various things. */
|
max_val = 0;
|
max_val = 0;
|
total = 0;
|
total = 0;
|
max_name_len = 0;
|
max_name_len = 0;
|
for (i = 0; i < CPU_MAX_INSNS (cpu); ++i)
|
for (i = 0; i < CPU_MAX_INSNS (cpu); ++i)
|
{
|
{
|
const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i);
|
const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i);
|
|
|
if (name == NULL)
|
if (name == NULL)
|
continue;
|
continue;
|
total += PROFILE_INSN_COUNT (data) [i];
|
total += PROFILE_INSN_COUNT (data) [i];
|
if (PROFILE_INSN_COUNT (data) [i] > max_val)
|
if (PROFILE_INSN_COUNT (data) [i] > max_val)
|
max_val = PROFILE_INSN_COUNT (data) [i];
|
max_val = PROFILE_INSN_COUNT (data) [i];
|
n = strlen (name);
|
n = strlen (name);
|
if (n > max_name_len)
|
if (n > max_name_len)
|
max_name_len = n;
|
max_name_len = n;
|
}
|
}
|
/* set the total insn count, in case client is being lazy */
|
/* set the total insn count, in case client is being lazy */
|
if (! PROFILE_TOTAL_INSN_COUNT (data))
|
if (! PROFILE_TOTAL_INSN_COUNT (data))
|
PROFILE_TOTAL_INSN_COUNT (data) = total;
|
PROFILE_TOTAL_INSN_COUNT (data) = total;
|
|
|
sim_io_printf (sd, " Total: %s insns\n", COMMAS (total));
|
sim_io_printf (sd, " Total: %s insns\n", COMMAS (total));
|
|
|
if (verbose && max_val != 0)
|
if (verbose && max_val != 0)
|
{
|
{
|
/* Now we can print the histogram. */
|
/* Now we can print the histogram. */
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
for (i = 0; i < CPU_MAX_INSNS (cpu); ++i)
|
for (i = 0; i < CPU_MAX_INSNS (cpu); ++i)
|
{
|
{
|
const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i);
|
const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i);
|
|
|
if (name == NULL)
|
if (name == NULL)
|
continue;
|
continue;
|
if (PROFILE_INSN_COUNT (data) [i] != 0)
|
if (PROFILE_INSN_COUNT (data) [i] != 0)
|
{
|
{
|
sim_io_printf (sd, " %*s: %*s: ",
|
sim_io_printf (sd, " %*s: %*s: ",
|
max_name_len, name,
|
max_name_len, name,
|
max_val < 10000 ? 5 : 10,
|
max_val < 10000 ? 5 : 10,
|
COMMAS (PROFILE_INSN_COUNT (data) [i]));
|
COMMAS (PROFILE_INSN_COUNT (data) [i]));
|
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
|
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
|
PROFILE_INSN_COUNT (data) [i],
|
PROFILE_INSN_COUNT (data) [i],
|
max_val);
|
max_val);
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
}
|
}
|
|
|
#endif
|
#endif
|
|
|
#if WITH_PROFILE_MEMORY_P
|
#if WITH_PROFILE_MEMORY_P
|
|
|
static void
|
static void
|
profile_print_memory (sim_cpu *cpu, int verbose)
|
profile_print_memory (sim_cpu *cpu, int verbose)
|
{
|
{
|
unsigned int i, n;
|
unsigned int i, n;
|
unsigned int total_read, total_write;
|
unsigned int total_read, total_write;
|
unsigned int max_val, max_name_len;
|
unsigned int max_val, max_name_len;
|
/* FIXME: Need to add smp support. */
|
/* FIXME: Need to add smp support. */
|
SIM_DESC sd = CPU_STATE (cpu);
|
SIM_DESC sd = CPU_STATE (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
char comma_buf[20];
|
char comma_buf[20];
|
|
|
sim_io_printf (sd, "Memory Access Statistics\n\n");
|
sim_io_printf (sd, "Memory Access Statistics\n\n");
|
|
|
/* First pass over data computes various things. */
|
/* First pass over data computes various things. */
|
max_val = total_read = total_write = max_name_len = 0;
|
max_val = total_read = total_write = max_name_len = 0;
|
for (i = 0; i < MODE_TARGET_MAX; ++i)
|
for (i = 0; i < MODE_TARGET_MAX; ++i)
|
{
|
{
|
total_read += PROFILE_READ_COUNT (data) [i];
|
total_read += PROFILE_READ_COUNT (data) [i];
|
total_write += PROFILE_WRITE_COUNT (data) [i];
|
total_write += PROFILE_WRITE_COUNT (data) [i];
|
if (PROFILE_READ_COUNT (data) [i] > max_val)
|
if (PROFILE_READ_COUNT (data) [i] > max_val)
|
max_val = PROFILE_READ_COUNT (data) [i];
|
max_val = PROFILE_READ_COUNT (data) [i];
|
if (PROFILE_WRITE_COUNT (data) [i] > max_val)
|
if (PROFILE_WRITE_COUNT (data) [i] > max_val)
|
max_val = PROFILE_WRITE_COUNT (data) [i];
|
max_val = PROFILE_WRITE_COUNT (data) [i];
|
n = strlen (MODE_NAME (i));
|
n = strlen (MODE_NAME (i));
|
if (n > max_name_len)
|
if (n > max_name_len)
|
max_name_len = n;
|
max_name_len = n;
|
}
|
}
|
|
|
/* One could use PROFILE_LABEL_WIDTH here. I chose not to. */
|
/* One could use PROFILE_LABEL_WIDTH here. I chose not to. */
|
sim_io_printf (sd, " Total read: %s accesses\n",
|
sim_io_printf (sd, " Total read: %s accesses\n",
|
COMMAS (total_read));
|
COMMAS (total_read));
|
sim_io_printf (sd, " Total write: %s accesses\n",
|
sim_io_printf (sd, " Total write: %s accesses\n",
|
COMMAS (total_write));
|
COMMAS (total_write));
|
|
|
if (verbose && max_val != 0)
|
if (verbose && max_val != 0)
|
{
|
{
|
/* FIXME: Need to separate instruction fetches from data fetches
|
/* FIXME: Need to separate instruction fetches from data fetches
|
as the former swamps the latter. */
|
as the former swamps the latter. */
|
/* Now we can print the histogram. */
|
/* Now we can print the histogram. */
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
for (i = 0; i < MODE_TARGET_MAX; ++i)
|
for (i = 0; i < MODE_TARGET_MAX; ++i)
|
{
|
{
|
if (PROFILE_READ_COUNT (data) [i] != 0)
|
if (PROFILE_READ_COUNT (data) [i] != 0)
|
{
|
{
|
sim_io_printf (sd, " %*s read: %*s: ",
|
sim_io_printf (sd, " %*s read: %*s: ",
|
max_name_len, MODE_NAME (i),
|
max_name_len, MODE_NAME (i),
|
max_val < 10000 ? 5 : 10,
|
max_val < 10000 ? 5 : 10,
|
COMMAS (PROFILE_READ_COUNT (data) [i]));
|
COMMAS (PROFILE_READ_COUNT (data) [i]));
|
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
|
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
|
PROFILE_READ_COUNT (data) [i],
|
PROFILE_READ_COUNT (data) [i],
|
max_val);
|
max_val);
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
}
|
}
|
if (PROFILE_WRITE_COUNT (data) [i] != 0)
|
if (PROFILE_WRITE_COUNT (data) [i] != 0)
|
{
|
{
|
sim_io_printf (sd, " %*s write: %*s: ",
|
sim_io_printf (sd, " %*s write: %*s: ",
|
max_name_len, MODE_NAME (i),
|
max_name_len, MODE_NAME (i),
|
max_val < 10000 ? 5 : 10,
|
max_val < 10000 ? 5 : 10,
|
COMMAS (PROFILE_WRITE_COUNT (data) [i]));
|
COMMAS (PROFILE_WRITE_COUNT (data) [i]));
|
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
|
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
|
PROFILE_WRITE_COUNT (data) [i],
|
PROFILE_WRITE_COUNT (data) [i],
|
max_val);
|
max_val);
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
}
|
}
|
|
|
#endif
|
#endif
|
|
|
#if WITH_PROFILE_CORE_P
|
#if WITH_PROFILE_CORE_P
|
|
|
static void
|
static void
|
profile_print_core (sim_cpu *cpu, int verbose)
|
profile_print_core (sim_cpu *cpu, int verbose)
|
{
|
{
|
unsigned int total;
|
unsigned int total;
|
unsigned int max_val;
|
unsigned int max_val;
|
/* FIXME: Need to add smp support. */
|
/* FIXME: Need to add smp support. */
|
SIM_DESC sd = CPU_STATE (cpu);
|
SIM_DESC sd = CPU_STATE (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
char comma_buf[20];
|
char comma_buf[20];
|
|
|
sim_io_printf (sd, "CORE Statistics\n\n");
|
sim_io_printf (sd, "CORE Statistics\n\n");
|
|
|
/* First pass over data computes various things. */
|
/* First pass over data computes various things. */
|
{
|
{
|
unsigned map;
|
unsigned map;
|
total = 0;
|
total = 0;
|
max_val = 0;
|
max_val = 0;
|
for (map = 0; map < nr_maps; map++)
|
for (map = 0; map < nr_maps; map++)
|
{
|
{
|
total += PROFILE_CORE_COUNT (data) [map];
|
total += PROFILE_CORE_COUNT (data) [map];
|
if (PROFILE_CORE_COUNT (data) [map] > max_val)
|
if (PROFILE_CORE_COUNT (data) [map] > max_val)
|
max_val = PROFILE_CORE_COUNT (data) [map];
|
max_val = PROFILE_CORE_COUNT (data) [map];
|
}
|
}
|
}
|
}
|
|
|
/* One could use PROFILE_LABEL_WIDTH here. I chose not to. */
|
/* One could use PROFILE_LABEL_WIDTH here. I chose not to. */
|
sim_io_printf (sd, " Total: %s accesses\n",
|
sim_io_printf (sd, " Total: %s accesses\n",
|
COMMAS (total));
|
COMMAS (total));
|
|
|
if (verbose && max_val != 0)
|
if (verbose && max_val != 0)
|
{
|
{
|
unsigned map;
|
unsigned map;
|
/* Now we can print the histogram. */
|
/* Now we can print the histogram. */
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
for (map = 0; map < nr_maps; map++)
|
for (map = 0; map < nr_maps; map++)
|
{
|
{
|
if (PROFILE_CORE_COUNT (data) [map] != 0)
|
if (PROFILE_CORE_COUNT (data) [map] != 0)
|
{
|
{
|
sim_io_printf (sd, "%10s:", map_to_str (map));
|
sim_io_printf (sd, "%10s:", map_to_str (map));
|
sim_io_printf (sd, "%*s: ",
|
sim_io_printf (sd, "%*s: ",
|
max_val < 10000 ? 5 : 10,
|
max_val < 10000 ? 5 : 10,
|
COMMAS (PROFILE_CORE_COUNT (data) [map]));
|
COMMAS (PROFILE_CORE_COUNT (data) [map]));
|
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
|
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
|
PROFILE_CORE_COUNT (data) [map],
|
PROFILE_CORE_COUNT (data) [map],
|
max_val);
|
max_val);
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
}
|
}
|
|
|
#endif
|
#endif
|
|
|
#if WITH_PROFILE_MODEL_P
|
#if WITH_PROFILE_MODEL_P
|
|
|
static void
|
static void
|
profile_print_model (sim_cpu *cpu, int verbose)
|
profile_print_model (sim_cpu *cpu, int verbose)
|
{
|
{
|
SIM_DESC sd = CPU_STATE (cpu);
|
SIM_DESC sd = CPU_STATE (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
unsigned long cti_stall_cycles = PROFILE_MODEL_CTI_STALL_CYCLES (data);
|
unsigned long cti_stall_cycles = PROFILE_MODEL_CTI_STALL_CYCLES (data);
|
unsigned long load_stall_cycles = PROFILE_MODEL_LOAD_STALL_CYCLES (data);
|
unsigned long load_stall_cycles = PROFILE_MODEL_LOAD_STALL_CYCLES (data);
|
unsigned long total_cycles = PROFILE_MODEL_TOTAL_CYCLES (data);
|
unsigned long total_cycles = PROFILE_MODEL_TOTAL_CYCLES (data);
|
char comma_buf[20];
|
char comma_buf[20];
|
|
|
sim_io_printf (sd, "Model %s Timing Information",
|
sim_io_printf (sd, "Model %s Timing Information",
|
MODEL_NAME (CPU_MODEL (cpu)));
|
MODEL_NAME (CPU_MODEL (cpu)));
|
#ifdef SIM_HAVE_ADDR_RANGE
|
#ifdef SIM_HAVE_ADDR_RANGE
|
if (PROFILE_RANGE (data)->ranges)
|
if (PROFILE_RANGE (data)->ranges)
|
sim_io_printf (sd, " (for selected address range(s))");
|
sim_io_printf (sd, " (for selected address range(s))");
|
#endif
|
#endif
|
sim_io_printf (sd, "\n\n");
|
sim_io_printf (sd, "\n\n");
|
sim_io_printf (sd, " %-*s %s\n",
|
sim_io_printf (sd, " %-*s %s\n",
|
PROFILE_LABEL_WIDTH, "Taken branches:",
|
PROFILE_LABEL_WIDTH, "Taken branches:",
|
COMMAS (PROFILE_MODEL_TAKEN_COUNT (data)));
|
COMMAS (PROFILE_MODEL_TAKEN_COUNT (data)));
|
sim_io_printf (sd, " %-*s %s\n",
|
sim_io_printf (sd, " %-*s %s\n",
|
PROFILE_LABEL_WIDTH, "Untaken branches:",
|
PROFILE_LABEL_WIDTH, "Untaken branches:",
|
COMMAS (PROFILE_MODEL_UNTAKEN_COUNT (data)));
|
COMMAS (PROFILE_MODEL_UNTAKEN_COUNT (data)));
|
sim_io_printf (sd, " %-*s %s\n",
|
sim_io_printf (sd, " %-*s %s\n",
|
PROFILE_LABEL_WIDTH, "Cycles stalled due to branches:",
|
PROFILE_LABEL_WIDTH, "Cycles stalled due to branches:",
|
COMMAS (cti_stall_cycles));
|
COMMAS (cti_stall_cycles));
|
sim_io_printf (sd, " %-*s %s\n",
|
sim_io_printf (sd, " %-*s %s\n",
|
PROFILE_LABEL_WIDTH, "Cycles stalled due to loads:",
|
PROFILE_LABEL_WIDTH, "Cycles stalled due to loads:",
|
COMMAS (load_stall_cycles));
|
COMMAS (load_stall_cycles));
|
sim_io_printf (sd, " %-*s %s\n",
|
sim_io_printf (sd, " %-*s %s\n",
|
PROFILE_LABEL_WIDTH, "Total cycles (*approximate*):",
|
PROFILE_LABEL_WIDTH, "Total cycles (*approximate*):",
|
COMMAS (total_cycles));
|
COMMAS (total_cycles));
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
}
|
}
|
|
|
#endif
|
#endif
|
|
|
void
|
void
|
sim_profile_print_bar (SIM_DESC sd, unsigned int width,
|
sim_profile_print_bar (SIM_DESC sd, unsigned int width,
|
unsigned int val, unsigned int max_val)
|
unsigned int val, unsigned int max_val)
|
{
|
{
|
unsigned int i, count;
|
unsigned int i, count;
|
|
|
count = ((double) val / (double) max_val) * (double) width;
|
count = ((double) val / (double) max_val) * (double) width;
|
|
|
for (i = 0; i < count; ++i)
|
for (i = 0; i < count; ++i)
|
sim_io_printf (sd, "*");
|
sim_io_printf (sd, "*");
|
}
|
}
|
|
|
/* Print the simulator's execution speed for CPU. */
|
/* Print the simulator's execution speed for CPU. */
|
|
|
static void
|
static void
|
profile_print_speed (sim_cpu *cpu)
|
profile_print_speed (sim_cpu *cpu)
|
{
|
{
|
SIM_DESC sd = CPU_STATE (cpu);
|
SIM_DESC sd = CPU_STATE (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
unsigned long milliseconds = sim_events_elapsed_time (sd);
|
unsigned long milliseconds = sim_events_elapsed_time (sd);
|
unsigned long total = PROFILE_TOTAL_INSN_COUNT (data);
|
unsigned long total = PROFILE_TOTAL_INSN_COUNT (data);
|
double clock;
|
double clock;
|
double secs;
|
double secs;
|
char comma_buf[20];
|
char comma_buf[20];
|
|
|
sim_io_printf (sd, "Simulator Execution Speed\n\n");
|
sim_io_printf (sd, "Simulator Execution Speed\n\n");
|
|
|
if (total != 0)
|
if (total != 0)
|
sim_io_printf (sd, " Total instructions: %s\n", COMMAS (total));
|
sim_io_printf (sd, " Total instructions: %s\n", COMMAS (total));
|
|
|
if (milliseconds < 1000)
|
if (milliseconds < 1000)
|
sim_io_printf (sd, " Total execution time: < 1 second\n\n");
|
sim_io_printf (sd, " Total execution time: < 1 second\n\n");
|
else
|
else
|
{
|
{
|
/* The printing of the time rounded to 2 decimal places makes the speed
|
/* The printing of the time rounded to 2 decimal places makes the speed
|
calculation seem incorrect [even though it is correct]. So round
|
calculation seem incorrect [even though it is correct]. So round
|
MILLISECONDS first. This can marginally affect the result, but it's
|
MILLISECONDS first. This can marginally affect the result, but it's
|
better that the user not perceive there's a math error. */
|
better that the user not perceive there's a math error. */
|
secs = (double) milliseconds / 1000;
|
secs = (double) milliseconds / 1000;
|
secs = ((double) (unsigned long) (secs * 100 + .5)) / 100;
|
secs = ((double) (unsigned long) (secs * 100 + .5)) / 100;
|
sim_io_printf (sd, " Total execution time : %.2f seconds\n", secs);
|
sim_io_printf (sd, " Total execution time : %.2f seconds\n", secs);
|
/* Don't confuse things with data that isn't useful.
|
/* Don't confuse things with data that isn't useful.
|
If we ran for less than 2 seconds, only use the data if we
|
If we ran for less than 2 seconds, only use the data if we
|
executed more than 100,000 insns. */
|
executed more than 100,000 insns. */
|
if (secs >= 2 || total >= 100000)
|
if (secs >= 2 || total >= 100000)
|
sim_io_printf (sd, " Simulator speed: %s insns/second\n",
|
sim_io_printf (sd, " Simulator speed: %s insns/second\n",
|
COMMAS ((unsigned long) ((double) total / secs)));
|
COMMAS ((unsigned long) ((double) total / secs)));
|
}
|
}
|
|
|
/* Print simulated execution time if the cpu frequency has been specified. */
|
/* Print simulated execution time if the cpu frequency has been specified. */
|
clock = PROFILE_CPU_FREQ (data);
|
clock = PROFILE_CPU_FREQ (data);
|
if (clock != 0)
|
if (clock != 0)
|
{
|
{
|
if (clock >= 1000000)
|
if (clock >= 1000000)
|
sim_io_printf (sd, " Simulated cpu frequency: %.2f MHz\n",
|
sim_io_printf (sd, " Simulated cpu frequency: %.2f MHz\n",
|
clock / 1000000);
|
clock / 1000000);
|
else
|
else
|
sim_io_printf (sd, " Simulated cpu frequency: %.2f Hz\n", clock);
|
sim_io_printf (sd, " Simulated cpu frequency: %.2f Hz\n", clock);
|
|
|
#if WITH_PROFILE_MODEL_P
|
#if WITH_PROFILE_MODEL_P
|
if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX])
|
if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX])
|
{
|
{
|
/* The printing of the time rounded to 2 decimal places makes the
|
/* The printing of the time rounded to 2 decimal places makes the
|
speed calculation seem incorrect [even though it is correct].
|
speed calculation seem incorrect [even though it is correct].
|
So round SECS first. This can marginally affect the result,
|
So round SECS first. This can marginally affect the result,
|
but it's better that the user not perceive there's a math
|
but it's better that the user not perceive there's a math
|
error. */
|
error. */
|
secs = PROFILE_MODEL_TOTAL_CYCLES (data) / clock;
|
secs = PROFILE_MODEL_TOTAL_CYCLES (data) / clock;
|
secs = ((double) (unsigned long) (secs * 100 + .5)) / 100;
|
secs = ((double) (unsigned long) (secs * 100 + .5)) / 100;
|
sim_io_printf (sd, " Simulated execution time: %.2f seconds\n",
|
sim_io_printf (sd, " Simulated execution time: %.2f seconds\n",
|
secs);
|
secs);
|
}
|
}
|
#endif /* WITH_PROFILE_MODEL_P */
|
#endif /* WITH_PROFILE_MODEL_P */
|
}
|
}
|
}
|
}
|
|
|
/* Print selected address ranges. */
|
/* Print selected address ranges. */
|
|
|
static void
|
static void
|
profile_print_addr_ranges (sim_cpu *cpu)
|
profile_print_addr_ranges (sim_cpu *cpu)
|
{
|
{
|
ADDR_SUBRANGE *asr = PROFILE_RANGE (CPU_PROFILE_DATA (cpu))->ranges;
|
ADDR_SUBRANGE *asr = PROFILE_RANGE (CPU_PROFILE_DATA (cpu))->ranges;
|
SIM_DESC sd = CPU_STATE (cpu);
|
SIM_DESC sd = CPU_STATE (cpu);
|
|
|
if (asr)
|
if (asr)
|
{
|
{
|
sim_io_printf (sd, "Selected address ranges\n\n");
|
sim_io_printf (sd, "Selected address ranges\n\n");
|
while (asr != NULL)
|
while (asr != NULL)
|
{
|
{
|
sim_io_printf (sd, " 0x%lx - 0x%lx\n",
|
sim_io_printf (sd, " 0x%lx - 0x%lx\n",
|
(long) asr->start, (long) asr->end);
|
(long) asr->start, (long) asr->end);
|
asr = asr->next;
|
asr = asr->next;
|
}
|
}
|
sim_io_printf (sd, "\n");
|
sim_io_printf (sd, "\n");
|
}
|
}
|
}
|
}
|
|
|
/* Top level function to print all summary profile information.
|
/* Top level function to print all summary profile information.
|
It is [currently] intended that all such data is printed by this function.
|
It is [currently] intended that all such data is printed by this function.
|
I'd rather keep it all in one place for now. To that end, MISC_CPU and
|
I'd rather keep it all in one place for now. To that end, MISC_CPU and
|
MISC are callbacks used to print any miscellaneous data.
|
MISC are callbacks used to print any miscellaneous data.
|
|
|
One might want to add a user option that allows printing by type or by cpu
|
One might want to add a user option that allows printing by type or by cpu
|
(i.e. print all insn data for each cpu first, or print data cpu by cpu).
|
(i.e. print all insn data for each cpu first, or print data cpu by cpu).
|
This may be a case of featuritis so it's currently left out.
|
This may be a case of featuritis so it's currently left out.
|
|
|
Note that results are indented two spaces to distinguish them from
|
Note that results are indented two spaces to distinguish them from
|
section titles. */
|
section titles. */
|
|
|
static void
|
static void
|
profile_info (SIM_DESC sd, int verbose)
|
profile_info (SIM_DESC sd, int verbose)
|
{
|
{
|
int i,c;
|
int i,c;
|
int print_title_p = 0;
|
int print_title_p = 0;
|
|
|
/* Only print the title if some data has been collected. */
|
/* Only print the title if some data has been collected. */
|
/* ??? Why don't we just exit if no data collected? */
|
/* ??? Why don't we just exit if no data collected? */
|
/* FIXME: If the number of processors can be selected on the command line,
|
/* FIXME: If the number of processors can be selected on the command line,
|
then MAX_NR_PROCESSORS will need to take an argument of `sd'. */
|
then MAX_NR_PROCESSORS will need to take an argument of `sd'. */
|
|
|
for (c = 0; c < MAX_NR_PROCESSORS; ++c)
|
for (c = 0; c < MAX_NR_PROCESSORS; ++c)
|
{
|
{
|
sim_cpu *cpu = STATE_CPU (sd, c);
|
sim_cpu *cpu = STATE_CPU (sd, c);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
|
|
for (i = 0; i < MAX_PROFILE_VALUES; ++i)
|
for (i = 0; i < MAX_PROFILE_VALUES; ++i)
|
if (PROFILE_FLAGS (data) [i])
|
if (PROFILE_FLAGS (data) [i])
|
print_title_p = 1;
|
print_title_p = 1;
|
/* One could break out early if print_title_p is set. */
|
/* One could break out early if print_title_p is set. */
|
}
|
}
|
if (print_title_p)
|
if (print_title_p)
|
sim_io_printf (sd, "Summary profiling results:\n\n");
|
sim_io_printf (sd, "Summary profiling results:\n\n");
|
|
|
/* Loop, cpu by cpu, printing results. */
|
/* Loop, cpu by cpu, printing results. */
|
|
|
for (c = 0; c < MAX_NR_PROCESSORS; ++c)
|
for (c = 0; c < MAX_NR_PROCESSORS; ++c)
|
{
|
{
|
sim_cpu *cpu = STATE_CPU (sd, c);
|
sim_cpu *cpu = STATE_CPU (sd, c);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
|
|
if (MAX_NR_PROCESSORS > 1
|
if (MAX_NR_PROCESSORS > 1
|
&& (0
|
&& (0
|
#if WITH_PROFILE_INSN_P
|
#if WITH_PROFILE_INSN_P
|
|| PROFILE_FLAGS (data) [PROFILE_INSN_IDX]
|
|| PROFILE_FLAGS (data) [PROFILE_INSN_IDX]
|
#endif
|
#endif
|
#if WITH_PROFILE_MEMORY_P
|
#if WITH_PROFILE_MEMORY_P
|
|| PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX]
|
|| PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX]
|
#endif
|
#endif
|
#if WITH_PROFILE_CORE_P
|
#if WITH_PROFILE_CORE_P
|
|| PROFILE_FLAGS (data) [PROFILE_CORE_IDX]
|
|| PROFILE_FLAGS (data) [PROFILE_CORE_IDX]
|
#endif
|
#endif
|
#if WITH_PROFILE_MODEL_P
|
#if WITH_PROFILE_MODEL_P
|
|| PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]
|
|| PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]
|
#endif
|
#endif
|
#if WITH_PROFILE_SCACHE_P && WITH_SCACHE
|
#if WITH_PROFILE_SCACHE_P && WITH_SCACHE
|
|| PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX]
|
|| PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX]
|
#endif
|
#endif
|
#if WITH_PROFILE_PC_P
|
#if WITH_PROFILE_PC_P
|
|| PROFILE_FLAGS (data) [PROFILE_PC_IDX]
|
|| PROFILE_FLAGS (data) [PROFILE_PC_IDX]
|
#endif
|
#endif
|
))
|
))
|
{
|
{
|
sim_io_printf (sd, "CPU %d\n\n", c);
|
sim_io_printf (sd, "CPU %d\n\n", c);
|
}
|
}
|
|
|
#ifdef SIM_HAVE_ADDR_RANGE
|
#ifdef SIM_HAVE_ADDR_RANGE
|
if (print_title_p
|
if (print_title_p
|
&& (PROFILE_INSN_P (cpu)
|
&& (PROFILE_INSN_P (cpu)
|
|| PROFILE_MODEL_P (cpu)))
|
|| PROFILE_MODEL_P (cpu)))
|
profile_print_addr_ranges (cpu);
|
profile_print_addr_ranges (cpu);
|
#endif
|
#endif
|
|
|
#if WITH_PROFILE_INSN_P
|
#if WITH_PROFILE_INSN_P
|
if (PROFILE_FLAGS (data) [PROFILE_INSN_IDX])
|
if (PROFILE_FLAGS (data) [PROFILE_INSN_IDX])
|
profile_print_insn (cpu, verbose);
|
profile_print_insn (cpu, verbose);
|
#endif
|
#endif
|
|
|
#if WITH_PROFILE_MEMORY_P
|
#if WITH_PROFILE_MEMORY_P
|
if (PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX])
|
if (PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX])
|
profile_print_memory (cpu, verbose);
|
profile_print_memory (cpu, verbose);
|
#endif
|
#endif
|
|
|
#if WITH_PROFILE_CORE_P
|
#if WITH_PROFILE_CORE_P
|
if (PROFILE_FLAGS (data) [PROFILE_CORE_IDX])
|
if (PROFILE_FLAGS (data) [PROFILE_CORE_IDX])
|
profile_print_core (cpu, verbose);
|
profile_print_core (cpu, verbose);
|
#endif
|
#endif
|
|
|
#if WITH_PROFILE_MODEL_P
|
#if WITH_PROFILE_MODEL_P
|
if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX])
|
if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX])
|
profile_print_model (cpu, verbose);
|
profile_print_model (cpu, verbose);
|
#endif
|
#endif
|
|
|
#if WITH_PROFILE_SCACHE_P && WITH_SCACHE
|
#if WITH_PROFILE_SCACHE_P && WITH_SCACHE
|
if (PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX])
|
if (PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX])
|
scache_print_profile (cpu, verbose);
|
scache_print_profile (cpu, verbose);
|
#endif
|
#endif
|
|
|
#if WITH_PROFILE_PC_P
|
#if WITH_PROFILE_PC_P
|
if (PROFILE_FLAGS (data) [PROFILE_PC_IDX])
|
if (PROFILE_FLAGS (data) [PROFILE_PC_IDX])
|
profile_print_pc (cpu, verbose);
|
profile_print_pc (cpu, verbose);
|
#endif
|
#endif
|
|
|
/* Print cpu-specific data before the execution speed. */
|
/* Print cpu-specific data before the execution speed. */
|
if (PROFILE_INFO_CPU_CALLBACK (data) != NULL)
|
if (PROFILE_INFO_CPU_CALLBACK (data) != NULL)
|
PROFILE_INFO_CPU_CALLBACK (data) (cpu, verbose);
|
PROFILE_INFO_CPU_CALLBACK (data) (cpu, verbose);
|
|
|
/* Always try to print execution time and speed. */
|
/* Always try to print execution time and speed. */
|
if (verbose
|
if (verbose
|
|| PROFILE_FLAGS (data) [PROFILE_INSN_IDX])
|
|| PROFILE_FLAGS (data) [PROFILE_INSN_IDX])
|
profile_print_speed (cpu);
|
profile_print_speed (cpu);
|
}
|
}
|
|
|
/* Finally print non-cpu specific miscellaneous data. */
|
/* Finally print non-cpu specific miscellaneous data. */
|
if (STATE_PROFILE_INFO_CALLBACK (sd))
|
if (STATE_PROFILE_INFO_CALLBACK (sd))
|
STATE_PROFILE_INFO_CALLBACK (sd) (sd, verbose);
|
STATE_PROFILE_INFO_CALLBACK (sd) (sd, verbose);
|
|
|
}
|
}
|
|
|
/* Install profiling support in the simulator. */
|
/* Install profiling support in the simulator. */
|
|
|
SIM_RC
|
SIM_RC
|
profile_install (SIM_DESC sd)
|
profile_install (SIM_DESC sd)
|
{
|
{
|
int i;
|
int i;
|
|
|
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
|
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
|
sim_add_option_table (sd, NULL, profile_options);
|
sim_add_option_table (sd, NULL, profile_options);
|
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
|
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
|
memset (CPU_PROFILE_DATA (STATE_CPU (sd, i)), 0,
|
memset (CPU_PROFILE_DATA (STATE_CPU (sd, i)), 0,
|
sizeof (* CPU_PROFILE_DATA (STATE_CPU (sd, i))));
|
sizeof (* CPU_PROFILE_DATA (STATE_CPU (sd, i))));
|
#if WITH_PROFILE_INSN_P
|
#if WITH_PROFILE_INSN_P
|
sim_module_add_init_fn (sd, profile_insn_init);
|
sim_module_add_init_fn (sd, profile_insn_init);
|
#endif
|
#endif
|
#if WITH_PROFILE_PC_P
|
#if WITH_PROFILE_PC_P
|
sim_module_add_uninstall_fn (sd, profile_pc_uninstall);
|
sim_module_add_uninstall_fn (sd, profile_pc_uninstall);
|
sim_module_add_init_fn (sd, profile_pc_init);
|
sim_module_add_init_fn (sd, profile_pc_init);
|
#endif
|
#endif
|
sim_module_add_init_fn (sd, profile_init);
|
sim_module_add_init_fn (sd, profile_init);
|
sim_module_add_uninstall_fn (sd, profile_uninstall);
|
sim_module_add_uninstall_fn (sd, profile_uninstall);
|
sim_module_add_info_fn (sd, profile_info);
|
sim_module_add_info_fn (sd, profile_info);
|
return SIM_RC_OK;
|
return SIM_RC_OK;
|
}
|
}
|
|
|
static SIM_RC
|
static SIM_RC
|
profile_init (SIM_DESC sd)
|
profile_init (SIM_DESC sd)
|
{
|
{
|
#ifdef SIM_HAVE_ADDR_RANGE
|
#ifdef SIM_HAVE_ADDR_RANGE
|
/* Check if a range has been specified without specifying what to
|
/* Check if a range has been specified without specifying what to
|
collect. */
|
collect. */
|
{
|
{
|
int i;
|
int i;
|
|
|
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
|
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
|
{
|
{
|
sim_cpu *cpu = STATE_CPU (sd, i);
|
sim_cpu *cpu = STATE_CPU (sd, i);
|
|
|
if (ADDR_RANGE_RANGES (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)))
|
if (ADDR_RANGE_RANGES (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)))
|
&& ! (PROFILE_INSN_P (cpu)
|
&& ! (PROFILE_INSN_P (cpu)
|
|| PROFILE_MODEL_P (cpu)))
|
|| PROFILE_MODEL_P (cpu)))
|
{
|
{
|
sim_io_eprintf_cpu (cpu, "Profiling address range specified without --profile-insn or --profile-model.\n");
|
sim_io_eprintf_cpu (cpu, "Profiling address range specified without --profile-insn or --profile-model.\n");
|
sim_io_eprintf_cpu (cpu, "Address range ignored.\n");
|
sim_io_eprintf_cpu (cpu, "Address range ignored.\n");
|
sim_addr_range_delete (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)),
|
sim_addr_range_delete (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)),
|
0, ~ (address_word) 0);
|
0, ~ (address_word) 0);
|
}
|
}
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
return SIM_RC_OK;
|
return SIM_RC_OK;
|
}
|
}
|
|
|
static void
|
static void
|
profile_uninstall (SIM_DESC sd)
|
profile_uninstall (SIM_DESC sd)
|
{
|
{
|
int i,j;
|
int i,j;
|
|
|
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
|
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
|
{
|
{
|
sim_cpu *cpu = STATE_CPU (sd, i);
|
sim_cpu *cpu = STATE_CPU (sd, i);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
|
|
if (PROFILE_FILE (data) != NULL)
|
if (PROFILE_FILE (data) != NULL)
|
{
|
{
|
/* If output from different cpus is going to the same file,
|
/* If output from different cpus is going to the same file,
|
avoid closing the file twice. */
|
avoid closing the file twice. */
|
for (j = 0; j < i; ++j)
|
for (j = 0; j < i; ++j)
|
if (PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, j)))
|
if (PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, j)))
|
== PROFILE_FILE (data))
|
== PROFILE_FILE (data))
|
break;
|
break;
|
if (i == j)
|
if (i == j)
|
fclose (PROFILE_FILE (data));
|
fclose (PROFILE_FILE (data));
|
}
|
}
|
|
|
if (PROFILE_INSN_COUNT (data) != NULL)
|
if (PROFILE_INSN_COUNT (data) != NULL)
|
zfree (PROFILE_INSN_COUNT (data));
|
zfree (PROFILE_INSN_COUNT (data));
|
}
|
}
|
}
|
}
|
|
|
