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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 3 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, see <http://www.gnu.org/licenses/>.
-
- */
- #ifndef _MON_C_
- #define _MON_C_
- #include "defs.h"
- #include <stdio.h>
- #include <string.h>
- #ifdef HAVE_UNISTD_H
- #include <unistd.h>
- #endif
- #include <stdlib.h>
- #ifdef HAVE_SYS_TYPES_H
- #include <sys/types.h>
- #endif
- #include <time.h>
- #include <sys/time.h>
- #ifdef HAVE_SYS_RESOURCE_H
- #include <sys/resource.h>
- int getrusage();
- #endif
- #include "basics.h"
- #include "cpu.h"
- #include "mon.h"
- #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_ */
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