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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [sim/] [ppc/] [mon.c] - Rev 227
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/* This file is part of the program psim. Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _MON_C_ #define _MON_C_ #include "basics.h" #include "cpu.h" #include "mon.h" #include <stdio.h> #ifdef HAVE_STRING_H #include <string.h> #else #ifdef HAVE_STRINGS_H #include <strings.h> #endif #endif #ifdef HAVE_UNISTD_H #include <unistd.h> #endif #ifdef HAVE_STDLIB_H #include <stdlib.h> #endif #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif #ifdef HAVE_TIME_H #include <time.h> #endif #ifdef HAVE_SYS_TIMES_H #include <sys/times.h> #endif #ifdef HAVE_SYS_TIME_H #include <sys/time.h> #endif #ifdef HAVE_SYS_RESOURCE_H #include <sys/resource.h> int getrusage(); #endif #define MAX_BYTE_READWRITE 9 #define MAX_SHIFT_READWRITE 3 struct _cpu_mon { count_type issue_count[nr_itable_entries]; count_type read_count; count_type read_byte_count[MAX_BYTE_READWRITE]; count_type write_count; count_type write_byte_count[MAX_BYTE_READWRITE]; count_type unaligned_read_count; count_type unaligned_write_count; count_type event_count[nr_mon_events]; }; struct _mon { int nr_cpus; cpu_mon cpu_monitor[MAX_NR_PROCESSORS]; }; INLINE_MON\ (mon *) mon_create(void) { mon *monitor = ZALLOC(mon); return monitor; } INLINE_MON\ (cpu_mon *) mon_cpu(mon *monitor, int cpu_nr) { if (cpu_nr < 0 || cpu_nr >= MAX_NR_PROCESSORS) error("mon_cpu() - invalid cpu number\n"); return &monitor->cpu_monitor[cpu_nr]; } INLINE_MON\ (void) mon_init(mon *monitor, int nr_cpus) { memset(monitor, 0, sizeof(*monitor)); monitor->nr_cpus = nr_cpus; } INLINE_MON\ (void) mon_issue(itable_index index, cpu *processor, unsigned_word cia) { cpu_mon *monitor = cpu_monitor(processor); ASSERT(index <= nr_itable_entries); monitor->issue_count[index] += 1; } INLINE_MON\ (void) mon_read(unsigned_word ea, unsigned_word ra, unsigned nr_bytes, cpu *processor, unsigned_word cia) { cpu_mon *monitor = cpu_monitor(processor); monitor->read_count += 1; monitor->read_byte_count[nr_bytes] += 1; if ((nr_bytes - 1) & ea) monitor->unaligned_read_count += 1; } INLINE_MON\ (void) mon_write(unsigned_word ea, unsigned_word ra, unsigned nr_bytes, cpu *processor, unsigned_word cia) { cpu_mon *monitor = cpu_monitor(processor); monitor->write_count += 1; monitor->write_byte_count[nr_bytes] += 1; if ((nr_bytes - 1) & ea) monitor->unaligned_write_count += 1; } INLINE_MON\ (void) mon_event(mon_events event, cpu *processor, unsigned_word cia) { cpu_mon *monitor = cpu_monitor(processor); ASSERT(event < nr_mon_events); monitor->event_count[event] += 1; } INLINE_MON\ (unsigned) mon_get_number_of_insns(mon *monitor, int cpu_nr) { itable_index index; unsigned total_insns = 0; ASSERT(cpu_nr >= 0 && cpu_nr < monitor->nr_cpus); for (index = 0; index < nr_itable_entries; index++) total_insns += monitor->cpu_monitor[cpu_nr].issue_count[index]; return total_insns; } STATIC_INLINE_MON\ (int) mon_sort_instruction_names(const void *ptr_a, const void *ptr_b) { itable_index a = *(const itable_index *)ptr_a; itable_index b = *(const itable_index *)ptr_b; return strcmp (itable[a].name, itable[b].name); } STATIC_INLINE_MON\ (char *) mon_add_commas(char *buf, int sizeof_buf, count_type value) { int comma = 3; char *endbuf = buf + sizeof_buf - 1; *--endbuf = '\0'; do { if (comma-- == 0) { *--endbuf = ','; comma = 2; } *--endbuf = (value % 10) + '0'; } while ((value /= 10) != 0); ASSERT(endbuf >= buf); return endbuf; } INLINE_MON\ (void) mon_print_info(psim *system, mon *monitor, int verbose) { char buffer[20]; char buffer1[20]; char buffer2[20]; char buffer4[20]; char buffer8[20]; int cpu_nr; int len_cpu; int len_num = 0; int len_sub_num[MAX_BYTE_READWRITE]; int len; int i; long total_insns = 0; long cpu_insns_second = 0; long total_sim_cycles = 0; long sim_cycles_second = 0; double cpu_time = 0.0; for (i = 0; i < MAX_BYTE_READWRITE; i++) len_sub_num[i] = 0; for (cpu_nr = 0; cpu_nr < monitor->nr_cpus; cpu_nr++) { count_type num_insns = mon_get_number_of_insns(monitor, cpu_nr); total_insns += num_insns; len = strlen (mon_add_commas(buffer, sizeof(buffer), num_insns)); if (len_num < len) len_num = len; for (i = 0; i <= MAX_SHIFT_READWRITE; i++) { int size = 1<<i; len = strlen (mon_add_commas(buffer, sizeof(buffer), monitor->cpu_monitor[cpu_nr].read_byte_count[size])); if (len_sub_num[size] < len) len_sub_num[size] = len; len = strlen (mon_add_commas(buffer, sizeof(buffer), monitor->cpu_monitor[cpu_nr].write_byte_count[size])); if (len_sub_num[size] < len) len_sub_num[size] = len; } } sprintf (buffer, "%d", (int)monitor->nr_cpus + 1); len_cpu = strlen (buffer); #ifdef HAVE_GETRUSAGE { struct rusage mytime; if (getrusage (RUSAGE_SELF, &mytime) == 0 && (mytime.ru_utime.tv_sec > 0 || mytime.ru_utime.tv_usec > 0)) { cpu_time = (double)mytime.ru_utime.tv_sec + (((double)mytime.ru_utime.tv_usec) / 1000000.0); } } if (WITH_EVENTS) total_sim_cycles = event_queue_time(psim_event_queue(system)) - 1; if (cpu_time > 0) { if (total_insns > 0) cpu_insns_second = (long)(((double)total_insns / cpu_time) + 0.5); if (total_sim_cycles) { sim_cycles_second = (long)(((double)total_sim_cycles / cpu_time) + 0.5); } } #endif for (cpu_nr = 0; cpu_nr < monitor->nr_cpus; cpu_nr++) { if (verbose > 1) { itable_index sort_insns[nr_itable_entries]; int nr_sort_insns = 0; itable_index index; int index2; if (cpu_nr) printf_filtered ("\n"); for (index = 0; index < nr_itable_entries; index++) { if (monitor->cpu_monitor[cpu_nr].issue_count[index]) { sort_insns[nr_sort_insns++] = index; } } qsort((void *)sort_insns, nr_sort_insns, sizeof(sort_insns[0]), mon_sort_instruction_names); for (index2 = 0; index2 < nr_sort_insns; index2++) { index = sort_insns[index2]; printf_filtered("CPU #%*d executed %*s %s instruction%s.\n", len_cpu, cpu_nr+1, len_num, mon_add_commas(buffer, sizeof(buffer), monitor->cpu_monitor[cpu_nr].issue_count[index]), itable[index].name, (monitor->cpu_monitor[cpu_nr].issue_count[index] == 1) ? "" : "s"); } printf_filtered ("\n"); } if (CURRENT_MODEL_ISSUE > 0) { model_data *model_ptr = cpu_model(psim_cpu(system, cpu_nr)); model_print *ptr = model_mon_info(model_ptr); model_print *orig_ptr = ptr; while (ptr) { if (ptr->count) printf_filtered("CPU #%*d executed %*s %s%s.\n", len_cpu, cpu_nr+1, len_num, mon_add_commas(buffer, sizeof(buffer), ptr->count), ptr->name, ((ptr->count == 1) ? ptr->suffix_singular : ptr->suffix_plural)); ptr = ptr->next; } model_mon_info_free(model_ptr, orig_ptr); } if (monitor->cpu_monitor[cpu_nr].read_count) printf_filtered ("CPU #%*d executed %*s read%s (%*s 1-byte, %*s 2-byte, %*s 4-byte, %*s 8-byte).\n", len_cpu, cpu_nr+1, len_num, mon_add_commas(buffer, sizeof(buffer), monitor->cpu_monitor[cpu_nr].read_count), (monitor->cpu_monitor[cpu_nr].read_count == 1) ? "" : "s", len_sub_num[1], mon_add_commas(buffer1, sizeof(buffer1), monitor->cpu_monitor[cpu_nr].read_byte_count[1]), len_sub_num[2], mon_add_commas(buffer2, sizeof(buffer2), monitor->cpu_monitor[cpu_nr].read_byte_count[2]), len_sub_num[4], mon_add_commas(buffer4, sizeof(buffer4), monitor->cpu_monitor[cpu_nr].read_byte_count[4]), len_sub_num[8], mon_add_commas(buffer8, sizeof(buffer8), monitor->cpu_monitor[cpu_nr].read_byte_count[8])); if (monitor->cpu_monitor[cpu_nr].write_count) printf_filtered ("CPU #%*d executed %*s write%s (%*s 1-byte, %*s 2-byte, %*s 4-byte, %*s 8-byte).\n", len_cpu, cpu_nr+1, len_num, mon_add_commas(buffer, sizeof(buffer), monitor->cpu_monitor[cpu_nr].write_count), (monitor->cpu_monitor[cpu_nr].write_count == 1) ? "" : "s", len_sub_num[1], mon_add_commas(buffer1, sizeof(buffer1), monitor->cpu_monitor[cpu_nr].write_byte_count[1]), len_sub_num[2], mon_add_commas(buffer2, sizeof(buffer2), monitor->cpu_monitor[cpu_nr].write_byte_count[2]), len_sub_num[4], mon_add_commas(buffer4, sizeof(buffer4), monitor->cpu_monitor[cpu_nr].write_byte_count[4]), len_sub_num[8], mon_add_commas(buffer8, sizeof(buffer8), monitor->cpu_monitor[cpu_nr].write_byte_count[8])); if (monitor->cpu_monitor[cpu_nr].unaligned_read_count) printf_filtered ("CPU #%*d executed %*s unaligned read%s.\n", len_cpu, cpu_nr+1, len_num, mon_add_commas(buffer, sizeof(buffer), monitor->cpu_monitor[cpu_nr].unaligned_read_count), (monitor->cpu_monitor[cpu_nr].unaligned_read_count == 1) ? "" : "s"); if (monitor->cpu_monitor[cpu_nr].unaligned_write_count) printf_filtered ("CPU #%*d executed %*s unaligned write%s.\n", len_cpu, cpu_nr+1, len_num, mon_add_commas(buffer, sizeof(buffer), monitor->cpu_monitor[cpu_nr].unaligned_write_count), (monitor->cpu_monitor[cpu_nr].unaligned_write_count == 1) ? "" : "s"); if (monitor->cpu_monitor[cpu_nr].event_count[mon_event_icache_miss]) printf_filtered ("CPU #%*d executed %*s icache miss%s.\n", len_cpu, cpu_nr+1, len_num, mon_add_commas(buffer, sizeof(buffer), monitor->cpu_monitor[cpu_nr].event_count[mon_event_icache_miss]), (monitor->cpu_monitor[cpu_nr].event_count[mon_event_icache_miss] == 1) ? "" : "es"); { long nr_insns = mon_get_number_of_insns(monitor, cpu_nr); if (nr_insns > 0) printf_filtered("CPU #%*d executed %*s instructions in total.\n", len_cpu, cpu_nr+1, len_num, mon_add_commas(buffer, sizeof(buffer), nr_insns)); } } if (total_insns > 0) { if (monitor->nr_cpus > 1) printf_filtered("\nAll CPUs executed %s instructions in total.\n", mon_add_commas(buffer, sizeof(buffer), total_insns)); } else if (total_sim_cycles > 0) { printf_filtered("\nSimulator performed %s simulation cycles.\n", mon_add_commas(buffer, sizeof(buffer), total_sim_cycles)); } if (cpu_insns_second) printf_filtered ("%sSimulator speed was %s instructions/second.\n", (monitor->nr_cpus > 1) ? "" : "\n", mon_add_commas(buffer, sizeof(buffer), cpu_insns_second)); else if (sim_cycles_second) printf_filtered ("Simulator speed was %s simulation cycles/second\n", mon_add_commas(buffer, sizeof(buffer), sim_cycles_second)); else if (cpu_time > 0.0) printf_filtered ("%sSimulator executed for %.2f seconds\n", (monitor->nr_cpus > 1) ? "" : "\n", cpu_time); } #endif /* _MON_C_ */