/* mprofiler.c -- memory profiling utility
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/* mprofiler.c -- memory profiling utility
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|
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Copyright (C) 2002 Marko Mlinar, markom@opencores.org
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Copyright (C) 2002 Marko Mlinar, markom@opencores.org
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Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
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Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
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Copyright (C) 2008 Embecosm Limited
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Copyright (C) 2008 Embecosm Limited
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|
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
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This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify it
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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Software Foundation; either version 3 of the License, or (at your option)
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any later version.
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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more details.
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You should have received a copy of the GNU General Public License along
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http://www.gnu.org/licenses/>. */
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with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* This program is commented throughout in a fashion suitable for processing
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/* This program is commented throughout in a fashion suitable for processing
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with Doxygen. */
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with Doxygen. */
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/* Autoconf and/or portability configuration */
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/* Autoconf and/or portability configuration */
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#include "config.h"
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#include "config.h"
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#include "port.h"
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#include "port.h"
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/* System includes */
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/* System includes */
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#include <stdlib.h>
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#include <stdlib.h>
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#include <regex.h>
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#include <regex.h>
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/* Package includes */
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/* Package includes */
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#include "mprofiler.h"
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#include "mprofiler.h"
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#include "sim-config.h"
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#include "sim-config.h"
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#include "argtable2.h"
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#include "argtable2.h"
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#include "support/profile.h"
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#include "support/profile.h"
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/* output modes */
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/* output modes */
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#define MODE_DETAIL 0
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#define MODE_DETAIL 0
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#define MODE_PRETTY 1
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#define MODE_PRETTY 1
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#define MODE_ACCESS 2
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#define MODE_ACCESS 2
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#define MODE_WIDTH 3
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#define MODE_WIDTH 3
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/* Input buffer size */
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/* Input buffer size */
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#define BUF_SIZE 256
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#define BUF_SIZE 256
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/* HASH */
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/* HASH */
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#define HASH_SIZE 0x10000
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#define HASH_SIZE 0x10000
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#define HASH_FUNC(x) ((x) & 0xffff)
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#define HASH_FUNC(x) ((x) & 0xffff)
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/*! Hash table data structure */
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/*! Hash table data structure */
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static struct memory_hash
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static struct memory_hash
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{
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{
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struct memory_hash *next;
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struct memory_hash *next;
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oraddr_t addr;
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oraddr_t addr;
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unsigned long cnt[3]; /* Various counters */
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unsigned long cnt[3]; /* Various counters */
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} *hash[HASH_SIZE];
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} *hash[HASH_SIZE];
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/*! Groups size -- how much addresses should be joined together */
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/*! Groups size -- how much addresses should be joined together */
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static int group_bits = 2;
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static int group_bits = 2;
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/*! Start address */
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/*! Start address */
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static oraddr_t start_addr = 0;
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static oraddr_t start_addr = 0;
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/*! End address */
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/*! End address */
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static oraddr_t end_addr = 0xffffffff;
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static oraddr_t end_addr = 0xffffffff;
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/* File to read from */
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/* File to read from */
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static FILE *fprof = 0;
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static FILE *fprof = 0;
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static void
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static void
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hash_add (oraddr_t addr, int index)
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hash_add (oraddr_t addr, int index)
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{
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{
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struct memory_hash *h = hash[HASH_FUNC (addr)];
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struct memory_hash *h = hash[HASH_FUNC (addr)];
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while (h && h->addr != addr)
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while (h && h->addr != addr)
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h = h->next;
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h = h->next;
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if (!h)
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if (!h)
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{
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{
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h = (struct memory_hash *) malloc (sizeof (struct memory_hash));
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h = (struct memory_hash *) malloc (sizeof (struct memory_hash));
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h->next = hash[HASH_FUNC (addr)];
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h->next = hash[HASH_FUNC (addr)];
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hash[HASH_FUNC (addr)] = h;
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hash[HASH_FUNC (addr)] = h;
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h->addr = addr;
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h->addr = addr;
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h->cnt[0] = h->cnt[1] = h->cnt[2] = 0;
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h->cnt[0] = h->cnt[1] = h->cnt[2] = 0;
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}
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}
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h->cnt[index]++;
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h->cnt[index]++;
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}
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}
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static unsigned long
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static unsigned long
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hash_get (oraddr_t addr, int index)
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hash_get (oraddr_t addr, int index)
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{
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{
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struct memory_hash *h = hash[HASH_FUNC (addr)];
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struct memory_hash *h = hash[HASH_FUNC (addr)];
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while (h && h->addr != addr)
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while (h && h->addr != addr)
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h = h->next;
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h = h->next;
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if (!h)
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if (!h)
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return 0;
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return 0;
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return h->cnt[index];
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return h->cnt[index];
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}
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}
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static void
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static void
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init ()
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init ()
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{
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{
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int i;
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int i;
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for (i = 0; i < HASH_SIZE; i++)
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for (i = 0; i < HASH_SIZE; i++)
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hash[i] = NULL;
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hash[i] = NULL;
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}
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}
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static void
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static void
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read_file (FILE * f, int mode)
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read_file (FILE * f, int mode)
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{
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{
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struct mprofentry_struct buf[BUF_SIZE];
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struct mprofentry_struct buf[BUF_SIZE];
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int num_read;
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int num_read;
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do
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do
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{
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{
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int i;
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int i;
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num_read = fread (buf, sizeof (struct mprofentry_struct), BUF_SIZE, f);
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num_read = fread (buf, sizeof (struct mprofentry_struct), BUF_SIZE, f);
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for (i = 0; i < num_read; i++)
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for (i = 0; i < num_read; i++)
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if (buf[i].addr >= start_addr && buf[i].addr <= end_addr)
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if (buf[i].addr >= start_addr && buf[i].addr <= end_addr)
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{
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{
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int index;
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int index;
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unsigned t = buf[i].type;
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unsigned t = buf[i].type;
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if (t > 64)
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if (t > 64)
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{
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{
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PRINTF ("!");
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PRINTF ("!");
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t = 0;
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t = 0;
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}
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}
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if (mode == MODE_WIDTH)
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if (mode == MODE_WIDTH)
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t >>= 3;
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t >>= 3;
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else
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else
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t &= 0x7;
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t &= 0x7;
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switch (t)
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switch (t)
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{
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{
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case 1:
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case 1:
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index = 0;
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index = 0;
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break;
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break;
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case 2:
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case 2:
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index = 1;
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index = 1;
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break;
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break;
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case 4:
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case 4:
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index = 2;
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index = 2;
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break;
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break;
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default:
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default:
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index = 0;
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index = 0;
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PRINTF ("!!!!");
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PRINTF ("!!!!");
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break;
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break;
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}
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}
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hash_add (buf[i].addr >> group_bits, index);
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hash_add (buf[i].addr >> group_bits, index);
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}
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}
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}
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}
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while (num_read > 0);
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while (num_read > 0);
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}
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}
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static int
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static int
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nbits (unsigned long a)
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nbits (unsigned long a)
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{
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{
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int cnt = 0;
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int cnt = 0;
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int b = a;
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int b = a;
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if (!a)
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if (!a)
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return 0;
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return 0;
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while (a)
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while (a)
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a >>= 1, cnt++;
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a >>= 1, cnt++;
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if (cnt > 1 && ((b >> (cnt - 2)) & 1))
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if (cnt > 1 && ((b >> (cnt - 2)) & 1))
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cnt = cnt * 2 + 1;
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cnt = cnt * 2 + 1;
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else
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else
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cnt *= 2;
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cnt *= 2;
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return cnt - 1;
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return cnt - 1;
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}
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}
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static void
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static void
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printout (int mode)
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printout (int mode)
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{
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{
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oraddr_t addr = start_addr & ~((1 << group_bits) - 1);
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oraddr_t addr = start_addr & ~((1 << group_bits) - 1);
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PRINTF ("start = %" PRIxADDR " (%" PRIxADDR "); end = %" PRIxADDR
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PRINTF ("start = %" PRIxADDR " (%" PRIxADDR "); end = %" PRIxADDR
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"; group_bits = %08x\n", start_addr, addr, end_addr,
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"; group_bits = %08x\n", start_addr, addr, end_addr,
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(1 << group_bits) - 1);
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(1 << group_bits) - 1);
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for (; addr <= end_addr; addr += (1 << group_bits))
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for (; addr <= end_addr; addr += (1 << group_bits))
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{
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{
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int i;
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int i;
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unsigned long a = hash_get (addr >> group_bits, 0);
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unsigned long a = hash_get (addr >> group_bits, 0);
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unsigned long b = hash_get (addr >> group_bits, 1);
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unsigned long b = hash_get (addr >> group_bits, 1);
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unsigned long c = hash_get (addr >> group_bits, 2);
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unsigned long c = hash_get (addr >> group_bits, 2);
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PRINTF ("%" PRIxADDR ":", addr);
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PRINTF ("%" PRIxADDR ":", addr);
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switch (mode)
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switch (mode)
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{
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{
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case MODE_DETAIL:
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case MODE_DETAIL:
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if (a)
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if (a)
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PRINTF (" %10li R", a);
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PRINTF (" %10li R", a);
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else
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else
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PRINTF (" R");
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PRINTF (" R");
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if (b)
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if (b)
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PRINTF (" %10li W", b);
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PRINTF (" %10li W", b);
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else
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else
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PRINTF (" W");
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PRINTF (" W");
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if (c)
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if (c)
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PRINTF (" %10li F", c);
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PRINTF (" %10li F", c);
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else
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else
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PRINTF (" F");
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PRINTF (" F");
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break;
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break;
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case MODE_ACCESS:
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case MODE_ACCESS:
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PRINTF (" %10li", a + b + c);
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PRINTF (" %10li", a + b + c);
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break;
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break;
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case MODE_PRETTY:
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case MODE_PRETTY:
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PRINTF (" %10li ", a + b + c);
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PRINTF (" %10li ", a + b + c);
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for (i = 0; i < nbits (a + b + c); i++)
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for (i = 0; i < nbits (a + b + c); i++)
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PRINTF ("#");
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PRINTF ("#");
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break;
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break;
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case MODE_WIDTH:
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case MODE_WIDTH:
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if (a)
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if (a)
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PRINTF (" %10li B", a);
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PRINTF (" %10li B", a);
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else
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else
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PRINTF (" B");
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PRINTF (" B");
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if (b)
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if (b)
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PRINTF (" %10li H", b);
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PRINTF (" %10li H", b);
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else
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else
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PRINTF (" H");
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PRINTF (" H");
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if (c)
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if (c)
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PRINTF (" %10li W", c);
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PRINTF (" %10li W", c);
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else
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else
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PRINTF (" W");
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PRINTF (" W");
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break;
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break;
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}
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}
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PRINTF ("\n");
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PRINTF ("\n");
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if (addr >= addr + (1 << group_bits))
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if (addr >= addr + (1 << group_bits))
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break; /* Overflow? */
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break; /* Overflow? */
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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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/*! Parse the arguments for the profiling utility
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/*! Parse the arguments for the profiling utility
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|
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Updated by Jeremy Bennett to use argtable2. Also has an option just to
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Updated by Jeremy Bennett to use argtable2. Also has an option just to
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print help, for use with the CLI.
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print help, for use with the CLI.
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@param[in] argc Number of command args
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@param[in] argc Number of command args
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@param[in] argv Vector of the command args
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@param[in] argv Vector of the command args
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@param[in] just_help If 1 (true), ignore argc & argv and just print out
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@param[in] just_help If 1 (true), ignore argc & argv and just print out
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the help message without parsing args
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the help message without parsing args
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|
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@return 0 on success, 1 on failure */
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@return 0 on success, 1 on failure */
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/*---------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------*/
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int
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int
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main_mprofiler (int argc, char *argv[], int just_help)
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main_mprofiler (int argc, char *argv[], int just_help)
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{
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{
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struct arg_lit *vercop;
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struct arg_lit *vercop;
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struct arg_lit *help;
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struct arg_lit *help;
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struct arg_rex *mode_arg;
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struct arg_rex *mode_arg;
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struct arg_int *group;
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struct arg_int *group;
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struct arg_file *prof_file;
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struct arg_file *prof_file;
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struct arg_int *from;
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struct arg_int *from;
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struct arg_int *to;
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struct arg_int *to;
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struct arg_end *end;
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struct arg_end *end;
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|
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void *argtab[8];
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void *argtab[8];
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int nerrors;
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int nerrors;
|
|
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int mode = MODE_DETAIL;
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int mode = MODE_DETAIL;
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|
|
/* Specify each argument, with fallback values */
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/* Specify each argument, with fallback values.
|
|
|
|
Bug 1710 (Vinay Patil) fixed. mode should allow REG_EXTENDED. */
|
vercop = arg_lit0 ("v", "version", "version and copyright notice");
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vercop = arg_lit0 ("v", "version", "version and copyright notice");
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help = arg_lit0 ("h", "help", "print this help message");
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help = arg_lit0 ("h", "help", "print this help message");
|
mode_arg = arg_rex0 ("m", "mode",
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mode_arg = arg_rex0 ("m", "mode",
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"(detailed|d)|(pretty|p)|(access|a)|"
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"(detailed|d)|(pretty|p)|(access|a)|"
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"(width|w)", "<m>", REG_ICASE,
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"(width|w)", "<m>", REG_ICASE | REG_EXTENDED,
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"Output mode (detailed, pretty, access " "or width)");
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"Output mode (detailed, pretty, access " "or width)");
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mode_arg->sval[0] = "detailed";
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mode_arg->sval[0] = "detailed";
|
group = arg_int0 ("g", "group", "<n>",
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group = arg_int0 ("g", "group", "<n>",
|
"group 2^n bits successive addresses " "together");
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"group 2^n bits successive addresses " "together");
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group->ival[0] = 0;
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group->ival[0] = 0;
|
prof_file = arg_file0 ("f", "filename", "<file>",
|
prof_file = arg_file0 ("f", "filename", "<file>",
|
"data file to analyse (default " "sim.mprofile)");
|
"data file to analyse (default " "sim.mprofile)");
|
prof_file->filename[0] = "sim.mprofile";
|
prof_file->filename[0] = "sim.mprofile";
|
from = arg_int1 (NULL, NULL, "<from>", "start address");
|
from = arg_int1 (NULL, NULL, "<from>", "start address");
|
to = arg_int1 (NULL, NULL, "<to>", "end address");
|
to = arg_int1 (NULL, NULL, "<to>", "end address");
|
end = arg_end (20);
|
end = arg_end (20);
|
|
|
/* Set up the argument table */
|
/* Set up the argument table */
|
argtab[0] = vercop;
|
argtab[0] = vercop;
|
argtab[1] = help;
|
argtab[1] = help;
|
argtab[2] = mode_arg;
|
argtab[2] = mode_arg;
|
argtab[3] = group;
|
argtab[3] = group;
|
argtab[4] = prof_file;
|
argtab[4] = prof_file;
|
argtab[5] = from;
|
argtab[5] = from;
|
argtab[6] = to;
|
argtab[6] = to;
|
argtab[7] = end;
|
argtab[7] = end;
|
|
|
/* If we are just asked for a help message, then we don't parse the
|
/* If we are just asked for a help message, then we don't parse the
|
args. This is used to implement the help function from the CLI. */
|
args. This is used to implement the help function from the CLI. */
|
if (just_help)
|
if (just_help)
|
{
|
{
|
printf ("mprofile");
|
printf ("mprofile");
|
arg_print_syntax (stdout, argtab, "\n");
|
arg_print_syntax (stdout, argtab, "\n");
|
arg_print_glossary (stdout, argtab, " %-25s %s\n");
|
arg_print_glossary (stdout, argtab, " %-25s %s\n");
|
|
|
arg_freetable (argtab, sizeof (argtab) / sizeof (argtab[0]));
|
arg_freetable (argtab, sizeof (argtab) / sizeof (argtab[0]));
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Parse */
|
/* Parse */
|
nerrors = arg_parse (argc, argv, argtab);
|
nerrors = arg_parse (argc, argv, argtab);
|
|
|
/* Special case here is if help or version is specified, we ignore any other
|
/* Special case here is if help or version is specified, we ignore any other
|
errors and just print the help or version information and then give up. */
|
errors and just print the help or version information and then give up. */
|
if (vercop->count > 0)
|
if (vercop->count > 0)
|
{
|
{
|
PRINTF ("OpenRISC 1000 Memory Profiling Utility, version %s\n",
|
PRINTF ("OpenRISC 1000 Memory Profiling Utility, version %s\n",
|
PACKAGE_VERSION);
|
PACKAGE_VERSION);
|
|
|
arg_freetable (argtab, sizeof (argtab) / sizeof (argtab[0]));
|
arg_freetable (argtab, sizeof (argtab) / sizeof (argtab[0]));
|
return 0;
|
return 0;
|
}
|
}
|
|
|
if (help->count > 0)
|
if (help->count > 0)
|
{
|
{
|
printf ("Usage: %s ", argv[0]);
|
printf ("Usage: %s ", argv[0]);
|
arg_print_syntax (stdout, argtab, "\n");
|
arg_print_syntax (stdout, argtab, "\n");
|
arg_print_glossary (stdout, argtab, " %-25s %s\n");
|
arg_print_glossary (stdout, argtab, " %-25s %s\n");
|
|
|
arg_freetable (argtab, sizeof (argtab) / sizeof (argtab[0]));
|
arg_freetable (argtab, sizeof (argtab) / sizeof (argtab[0]));
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Deal with any errors */
|
/* Deal with any errors */
|
if (0 != nerrors)
|
if (0 != nerrors)
|
{
|
{
|
arg_print_errors (stderr, end, "mprofile");
|
arg_print_errors (stderr, end, "mprofile");
|
fprintf (stderr, "Usage: %s ", argv[0]);
|
fprintf (stderr, "Usage: %s ", argv[0]);
|
arg_print_syntaxv (stderr, argtab, "\n");
|
arg_print_syntaxv (stderr, argtab, "\n");
|
|
|
arg_freetable (argtab, sizeof (argtab) / sizeof (argtab[0]));
|
arg_freetable (argtab, sizeof (argtab) / sizeof (argtab[0]));
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* If version or help is requested, that is all that is printed out */
|
/* If version or help is requested, that is all that is printed out
|
/* Sort out the mode */
|
Sort out the mode.
|
|
|
|
Bug 1710 fixed (Vinay Patil). Modes now set correctly (were all set to
|
|
detail). */
|
if ((0 == strcmp (mode_arg->sval[0], "detail")) ||
|
if ((0 == strcmp (mode_arg->sval[0], "detail")) ||
|
(0 == strcmp (mode_arg->sval[0], "d")))
|
(0 == strcmp (mode_arg->sval[0], "d")))
|
{
|
{
|
mode = MODE_DETAIL;
|
mode = MODE_DETAIL;
|
}
|
}
|
else if ((0 == strcmp (mode_arg->sval[0], "pretty")) ||
|
else if ((0 == strcmp (mode_arg->sval[0], "pretty")) ||
|
(0 == strcmp (mode_arg->sval[0], "p")))
|
(0 == strcmp (mode_arg->sval[0], "p")))
|
{
|
{
|
mode = MODE_DETAIL;
|
mode = MODE_PRETTY;
|
}
|
}
|
else if ((0 == strcmp (mode_arg->sval[0], "access")) ||
|
else if ((0 == strcmp (mode_arg->sval[0], "access")) ||
|
(0 == strcmp (mode_arg->sval[0], "a")))
|
(0 == strcmp (mode_arg->sval[0], "a")))
|
{
|
{
|
mode = MODE_DETAIL;
|
mode = MODE_ACCESS;
|
}
|
}
|
else if ((0 == strcmp (mode_arg->sval[0], "width")) ||
|
else if ((0 == strcmp (mode_arg->sval[0], "width")) ||
|
(0 == strcmp (mode_arg->sval[0], "w")))
|
(0 == strcmp (mode_arg->sval[0], "w")))
|
{
|
{
|
mode = MODE_DETAIL;
|
mode = MODE_WIDTH;
|
}
|
}
|
else
|
else
|
{
|
{
|
fprintf (stderr, "Impossible mode: %s\n", mode_arg->sval[0]);
|
fprintf (stderr, "Impossible mode: %s\n", mode_arg->sval[0]);
|
}
|
}
|
|
|
/* Group bits */
|
/* Group bits */
|
group_bits = group->ival[0];
|
group_bits = group->ival[0];
|
|
|
/* Start and end addresses */
|
/* Start and end addresses */
|
start_addr = from->ival[0];
|
start_addr = from->ival[0];
|
end_addr = to->ival[0];
|
end_addr = to->ival[0];
|
|
|
/* Get the profile */
|
/* Get the profile */
|
fprof = fopen (prof_file->filename[0], "rm");
|
fprof = fopen (prof_file->filename[0], "rm");
|
|
|
if (!fprof)
|
if (!fprof)
|
{
|
{
|
fprintf (stderr, "Cannot open profile file: %s\n",
|
fprintf (stderr, "Cannot open profile file: %s\n",
|
prof_file->filename[0]);
|
prof_file->filename[0]);
|
|
|
arg_freetable (argtab, sizeof (argtab) / sizeof (argtab[0]));
|
arg_freetable (argtab, sizeof (argtab) / sizeof (argtab[0]));
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Finished with the args */
|
/* Finished with the args */
|
arg_freetable (argtab, sizeof (argtab) / sizeof (argtab[0]));
|
arg_freetable (argtab, sizeof (argtab) / sizeof (argtab[0]));
|
|
|
init ();
|
init ();
|
read_file (fprof, mode);
|
read_file (fprof, mode);
|
fclose (fprof);
|
fclose (fprof);
|
printout (mode);
|
printout (mode);
|
return 0;
|
return 0;
|
|
|
} /* main_mprofiler () */
|
} /* main_mprofiler () */
|
|
|
