359 lines
8.8 KiB
C
359 lines
8.8 KiB
C
/* This file is part of the program psim.
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Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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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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the Free Software Foundation; either version 2 of the License, or
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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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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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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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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _MON_C_
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#define _MON_C_
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#ifndef STATIC_INLINE_MON
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#define STATIC_INLINE_MON STATIC_INLINE
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#endif
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#include "basics.h"
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#include "cpu.h"
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#include "mon.h"
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#include <stdio.h>
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#ifdef HAVE_STRING_H
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#include <string.h>
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#else
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_TIME_H
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#include <time.h>
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#endif
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#ifdef HAVE_SYS_TIMES_H
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#include <sys/times.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef HAVE_SYS_RESOURCE_H
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#include <sys/resource.h>
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int getrusage();
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#endif
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struct _cpu_mon {
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count_type issue_count[nr_itable_entries];
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count_type read_count;
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count_type write_count;
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count_type unaligned_read_count;
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count_type unaligned_write_count;
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count_type event_count[nr_mon_events];
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};
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struct _mon {
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int nr_cpus;
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cpu_mon cpu_monitor[MAX_NR_PROCESSORS];
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};
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INLINE_MON mon *
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mon_create(void)
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{
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mon *monitor = ZALLOC(mon);
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return monitor;
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}
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INLINE_MON cpu_mon *
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mon_cpu(mon *monitor,
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int cpu_nr)
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{
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if (cpu_nr < 0 || cpu_nr >= MAX_NR_PROCESSORS)
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error("mon_cpu() - invalid cpu number\n");
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return &monitor->cpu_monitor[cpu_nr];
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}
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INLINE_MON void
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mon_init(mon *monitor,
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int nr_cpus)
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{
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memset(monitor, 0, sizeof(*monitor));
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monitor->nr_cpus = nr_cpus;
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}
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INLINE_MON void
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mon_issue(itable_index index,
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cpu *processor,
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unsigned_word cia)
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{
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cpu_mon *monitor = cpu_monitor(processor);
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ASSERT(index <= nr_itable_entries);
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monitor->issue_count[index] += 1;
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}
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INLINE_MON void
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mon_read(unsigned_word ea,
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unsigned_word ra,
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unsigned nr_bytes,
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cpu *processor,
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unsigned_word cia)
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{
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cpu_mon *monitor = cpu_monitor(processor);
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monitor->read_count += 1;
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if ((nr_bytes - 1) & ea)
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monitor->unaligned_read_count += 1;
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}
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INLINE_MON void
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mon_write(unsigned_word ea,
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unsigned_word ra,
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unsigned nr_bytes,
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cpu *processor,
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unsigned_word cia)
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{
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cpu_mon *monitor = cpu_monitor(processor);
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monitor->write_count += 1;
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if ((nr_bytes - 1) & ea)
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monitor->unaligned_write_count += 1;
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}
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INLINE_MON void
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mon_event(mon_events event,
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cpu *processor,
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unsigned_word cia)
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{
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cpu_mon *monitor = cpu_monitor(processor);
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ASSERT(event >= 0 && event < nr_mon_events);
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monitor->event_count[event] += 1;
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}
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STATIC_INLINE_MON count_type
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mon_get_number_of_insns(cpu_mon *monitor)
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{
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itable_index index;
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count_type total_insns = 0;
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for (index = 0; index < nr_itable_entries; index++)
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total_insns += monitor->issue_count[index];
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return total_insns;
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}
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static int
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mon_sort_instruction_names(const void *ptr_a, const void *ptr_b)
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{
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itable_index a = *(const itable_index *)ptr_a;
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itable_index b = *(const itable_index *)ptr_b;
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return strcmp (itable[a].name, itable[b].name);
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}
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STATIC_INLINE_MON char *
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mon_add_commas(char *buf,
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int sizeof_buf,
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count_type value)
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{
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int comma = 3;
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char *endbuf = buf + sizeof_buf - 1;
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*--endbuf = '\0';
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do {
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if (comma-- == 0)
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{
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*--endbuf = ',';
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comma = 2;
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}
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*--endbuf = (value % 10) + '0';
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} while ((value /= 10) != 0);
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ASSERT(endbuf >= buf);
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return endbuf;
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}
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INLINE_MON void
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mon_print_info(psim *system,
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mon *monitor,
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int verbose)
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{
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char buffer[20];
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int cpu_nr;
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int len_cpu;
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int len_num = 0;
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int len;
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long total_insns = 0;
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long cpu_insns_second = 0;
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double cpu_time = 0.0;
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for (cpu_nr = 0; cpu_nr < monitor->nr_cpus; cpu_nr++) {
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count_type num_insns = mon_get_number_of_insns(&monitor->cpu_monitor[cpu_nr]);
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total_insns += num_insns;
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len = strlen (mon_add_commas(buffer, sizeof(buffer), num_insns));
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if (len_num < len)
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len_num = len;
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}
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sprintf (buffer, "%d", (int)monitor->nr_cpus + 1);
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len_cpu = strlen (buffer);
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#ifdef HAVE_GETRUSAGE
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if (total_insns && verbose)
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{
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struct rusage mytime;
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if (getrusage (RUSAGE_SELF, &mytime) == 0
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&& (mytime.ru_utime.tv_sec > 0 || mytime.ru_utime.tv_usec > 0)) {
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cpu_time = (double)mytime.ru_utime.tv_sec + (((double)mytime.ru_utime.tv_usec) / 1000000.0);
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cpu_insns_second = (long)(((double)total_insns / cpu_time) + 0.5);
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}
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}
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#endif
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for (cpu_nr = 0; cpu_nr < monitor->nr_cpus; cpu_nr++) {
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if (verbose > 1) {
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itable_index sort_insns[nr_itable_entries];
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int nr_sort_insns = 0;
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itable_index index;
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int index2;
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if (cpu_nr)
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printf_filtered ("\n");
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for (index = 0; index < nr_itable_entries; index++) {
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if (monitor->cpu_monitor[cpu_nr].issue_count[index]) {
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sort_insns[nr_sort_insns++] = index;
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}
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}
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qsort((void *)sort_insns, nr_sort_insns, sizeof(sort_insns[0]), mon_sort_instruction_names);
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for (index2 = 0; index2 < nr_sort_insns; index2++) {
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index = sort_insns[index2];
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printf_filtered("CPU #%*d executed %*s %s instruction%s.\n",
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len_cpu, cpu_nr+1,
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len_num, mon_add_commas(buffer,
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sizeof(buffer),
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monitor->cpu_monitor[cpu_nr].issue_count[index]),
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itable[index].name,
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(monitor->cpu_monitor[cpu_nr].issue_count[index] == 1) ? "" : "s");
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}
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printf_filtered ("\n");
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}
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if (CURRENT_MODEL_ISSUE > 0)
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{
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model_data *model_ptr = cpu_model(psim_cpu(system, cpu_nr));
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model_print *ptr = model_mon_info(model_ptr);
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model_print *orig_ptr = ptr;
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while (ptr) {
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if (ptr->count)
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printf_filtered("CPU #%*d executed %*s %s%s.\n",
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len_cpu, cpu_nr+1,
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len_num, mon_add_commas(buffer,
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sizeof(buffer),
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ptr->count),
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ptr->name,
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((ptr->count == 1)
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? ptr->suffix_singular
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: ptr->suffix_plural));
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ptr = ptr->next;
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}
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model_mon_info_free(model_ptr, orig_ptr);
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}
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if (monitor->cpu_monitor[cpu_nr].read_count)
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printf_filtered ("CPU #%*d executed %*s data read%s.\n",
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len_cpu, cpu_nr+1,
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len_num, mon_add_commas(buffer,
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sizeof(buffer),
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monitor->cpu_monitor[cpu_nr].read_count),
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(monitor->cpu_monitor[cpu_nr].read_count == 1) ? "" : "s");
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if (monitor->cpu_monitor[cpu_nr].write_count)
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printf_filtered ("CPU #%*d executed %*s data write%s.\n",
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len_cpu, cpu_nr+1,
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len_num, mon_add_commas(buffer,
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sizeof(buffer),
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monitor->cpu_monitor[cpu_nr].write_count),
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(monitor->cpu_monitor[cpu_nr].write_count == 1) ? "" : "s");
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if (monitor->cpu_monitor[cpu_nr].unaligned_read_count)
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printf_filtered ("CPU #%*d executed %*s unaligned data read%s.\n",
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len_cpu, cpu_nr+1,
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len_num, mon_add_commas(buffer,
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sizeof(buffer),
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monitor->cpu_monitor[cpu_nr].read_count),
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(monitor->cpu_monitor[cpu_nr].read_count == 1) ? "" : "s");
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if (monitor->cpu_monitor[cpu_nr].unaligned_write_count)
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printf_filtered ("CPU #%*d executed %*s unaligned data write%s.\n",
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len_cpu, cpu_nr+1,
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len_num, mon_add_commas(buffer,
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sizeof(buffer),
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monitor->cpu_monitor[cpu_nr].write_count),
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(monitor->cpu_monitor[cpu_nr].write_count == 1) ? "" : "s");
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if (monitor->cpu_monitor[cpu_nr].event_count[mon_event_icache_miss])
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printf_filtered ("CPU #%*d executed %*s icache miss%s.\n",
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len_cpu, cpu_nr+1,
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len_num, mon_add_commas(buffer,
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sizeof(buffer),
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monitor->cpu_monitor[cpu_nr].event_count[mon_event_icache_miss]),
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(monitor->cpu_monitor[cpu_nr].event_count[mon_event_icache_miss] == 1) ? "" : "es");
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printf_filtered("CPU #%*d executed %*s instructions in total.\n",
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len_cpu, cpu_nr+1,
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len_num, mon_add_commas(buffer,
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sizeof(buffer),
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mon_get_number_of_insns(&monitor->cpu_monitor[cpu_nr])));
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}
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if (monitor->nr_cpus > 1)
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printf_filtered("\nAll CPUs executed %s instructions in total.\n",
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mon_add_commas(buffer, sizeof(buffer), total_insns));
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if (cpu_insns_second)
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printf_filtered ("%sSimulator speed was %s instructions/second\n",
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(monitor->nr_cpus > 1) ? "" : "\n",
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mon_add_commas(buffer, sizeof(buffer), cpu_insns_second));
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}
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#endif /* _MON_C_ */
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