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old-cross-binutils/sim/ppc/mon.c

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/* This file is part of the program psim.
Copyright (C) 1994-1995, 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_
#ifndef STATIC_INLINE_MON
#define STATIC_INLINE_MON STATIC_INLINE
#endif
#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
struct _cpu_mon {
count_type issue_count[nr_itable_entries];
count_type read_count;
count_type write_count;
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;
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;
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 >= 0 && event < nr_mon_events);
monitor->event_count[event] += 1;
}
STATIC_INLINE_MON count_type
mon_get_number_of_insns(cpu_mon *monitor)
{
itable_index index;
count_type total_insns = 0;
for (index = 0; index < nr_itable_entries; index++)
total_insns += monitor->issue_count[index];
return total_insns;
}
static 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];
int cpu_nr;
int len_cpu;
int len_num = 0;
int len;
long total_insns = 0;
long cpu_insns_second = 0;
double cpu_time = 0.0;
for (cpu_nr = 0; cpu_nr < monitor->nr_cpus; cpu_nr++) {
count_type num_insns = mon_get_number_of_insns(&monitor->cpu_monitor[cpu_nr]);
total_insns += num_insns;
len = strlen (mon_add_commas(buffer, sizeof(buffer), num_insns));
if (len_num < len)
len_num = len;
}
sprintf (buffer, "%d", (int)monitor->nr_cpus + 1);
len_cpu = strlen (buffer);
#ifdef HAVE_GETRUSAGE
if (total_insns && verbose > 1)
{
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);
cpu_insns_second = (long)(((double)total_insns / 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 (WITH_MODEL_ISSUE)
{
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 data read%s.\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");
if (monitor->cpu_monitor[cpu_nr].write_count)
printf_filtered ("CPU #%*d executed %*s data write%s.\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");
if (monitor->cpu_monitor[cpu_nr].unaligned_read_count)
printf_filtered ("CPU #%*d executed %*s unaligned data read%s.\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");
if (monitor->cpu_monitor[cpu_nr].unaligned_write_count)
printf_filtered ("CPU #%*d executed %*s unaligned data write%s.\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");
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");
printf_filtered("CPU #%*d executed %*s instructions in total.\n",
len_cpu, cpu_nr+1,
len_num, mon_add_commas(buffer,
sizeof(buffer),
mon_get_number_of_insns(&monitor->cpu_monitor[cpu_nr])));
}
if (monitor->nr_cpus > 1)
printf_filtered("\nAll CPUs executed %s instructions in total.\n",
mon_add_commas(buffer, sizeof(buffer), total_insns));
if (cpu_insns_second)
printf_filtered ("%sSimulator speed was %s instructions/second\n",
(monitor->nr_cpus <= 1 && verbose <= 1) ? "" : "\n",
mon_add_commas(buffer, sizeof(buffer), cpu_insns_second));
}
#endif /* _MON_C_ */
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