#include "sim-main.h"
#include "sim-io.h"
#include "sim-options.h"
#include "sim-assert.h"
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
#include <ctype.h>
#define COMMAS(n) sim_add_commas (comma_buf, sizeof (comma_buf), (n))
static MODULE_INIT_FN profile_init;
static MODULE_UNINSTALL_FN profile_uninstall;
static DECLARE_OPTION_HANDLER (profile_option_handler);
enum {
OPTION_PROFILE_INSN = OPTION_START,
OPTION_PROFILE_MEMORY,
OPTION_PROFILE_MODEL,
OPTION_PROFILE_FILE,
OPTION_PROFILE_CORE,
OPTION_PROFILE_CPU_FREQUENCY,
OPTION_PROFILE_PC,
OPTION_PROFILE_PC_RANGE,
OPTION_PROFILE_PC_GRANULARITY,
OPTION_PROFILE_RANGE,
OPTION_PROFILE_FUNCTION
};
static const OPTION profile_options[] = {
{ {"profile", optional_argument, NULL, 'p'},
'p', "on|off", "Perform profiling",
profile_option_handler },
{ {"profile-insn", optional_argument, NULL, OPTION_PROFILE_INSN},
'\0', "on|off", "Perform instruction profiling",
profile_option_handler },
{ {"profile-memory", optional_argument, NULL, OPTION_PROFILE_MEMORY},
'\0', "on|off", "Perform memory profiling",
profile_option_handler },
{ {"profile-core", optional_argument, NULL, OPTION_PROFILE_CORE},
'\0', "on|off", "Perform CORE profiling",
profile_option_handler },
{ {"profile-model", optional_argument, NULL, OPTION_PROFILE_MODEL},
'\0', "on|off", "Perform model profiling",
profile_option_handler },
{ {"profile-cpu-frequency", required_argument, NULL,
OPTION_PROFILE_CPU_FREQUENCY},
'\0', "CPU FREQUENCY", "Specify the speed of the simulated cpu clock",
profile_option_handler },
{ {"profile-file", required_argument, NULL, OPTION_PROFILE_FILE},
'\0', "FILE NAME", "Specify profile output file",
profile_option_handler },
{ {"profile-pc", optional_argument, NULL, OPTION_PROFILE_PC},
'\0', "on|off", "Perform PC profiling",
profile_option_handler },
{ {"profile-pc-frequency", required_argument, NULL, 'F'},
'F', "PC PROFILE FREQUENCY", "Specified PC profiling frequency",
profile_option_handler },
{ {"profile-pc-size", required_argument, NULL, 'S'},
'S', "PC PROFILE SIZE", "Specify PC profiling size",
profile_option_handler },
{ {"profile-pc-granularity", required_argument, NULL, OPTION_PROFILE_PC_GRANULARITY},
'\0', "PC PROFILE GRANULARITY", "Specify PC profiling sample coverage",
profile_option_handler },
{ {"profile-pc-range", required_argument, NULL, OPTION_PROFILE_PC_RANGE},
'\0', "BASE,BOUND", "Specify PC profiling address range",
profile_option_handler },
#ifdef SIM_HAVE_ADDR_RANGE
{ {"profile-range", required_argument, NULL, OPTION_PROFILE_RANGE},
'\0', "START,END", "Specify range of addresses for instruction and model profiling",
profile_option_handler },
#if 0
{ {"profile-function", required_argument, NULL, OPTION_PROFILE_FUNCTION},
'\0', "FUNCTION", "Specify function to profile",
profile_option_handler },
#endif
#endif
{ {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL }
};
SIM_RC
set_profile_option_mask (SIM_DESC sd, const char *name, int mask, const char *arg)
{
int profile_nr;
int cpu_nr;
int profile_val = 1;
if (arg != NULL)
{
if (strcmp (arg, "yes") == 0
|| strcmp (arg, "on") == 0
|| strcmp (arg, "1") == 0)
profile_val = 1;
else if (strcmp (arg, "no") == 0
|| strcmp (arg, "off") == 0
|| strcmp (arg, "0") == 0)
profile_val = 0;
else
{
sim_io_eprintf (sd, "Argument `%s' for `--profile%s' invalid, one of `on', `off', `yes', `no' expected\n", arg, name);
return SIM_RC_FAIL;
}
}
for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr)
{
if ((mask & (1 << profile_nr)) == 0)
continue;
#if 0
switch (profile_nr)
{
case ??? :
break;
}
#endif
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
{
CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr] = profile_val;
}
}
if (profile_val)
{
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1;
}
else
{
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
{
CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 0;
for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr)
{
if (CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr])
{
CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1;
break;
}
}
}
}
return SIM_RC_OK;
}
SIM_RC
sim_profile_set_option (SIM_DESC sd, const char *name, int idx, const char *arg)
{
return set_profile_option_mask (sd, name, 1 << idx, arg);
}
static SIM_RC
parse_frequency (SIM_DESC sd, const char *arg, unsigned long *freq)
{
const char *ch;
*freq = 0;
ch = arg;
if (isdigit (*arg))
{
for (; *ch != '\0'; ++ch)
{
if (! isdigit (*ch))
break;
*freq = *freq * 10 + (*ch - '0');
}
if (tolower (*ch) == 'm')
{
*freq *= 1000000;
++ch;
}
else if (tolower (*ch) == 'k')
{
*freq *= 1000;
++ch;
}
if (tolower (*ch) == 'h')
{
++ch;
if (tolower (*ch) == 'z')
++ch;
}
}
if (*ch != '\0')
{
sim_io_eprintf (sd, "Invalid argument for --profile-cpu-frequency: %s\n",
arg);
*freq = 0;
return SIM_RC_FAIL;
}
return SIM_RC_OK;
}
static SIM_RC
profile_option_handler (SIM_DESC sd,
sim_cpu *cpu,
int opt,
char *arg,
int is_command)
{
int cpu_nr;
switch (opt)
{
case 'p' :
if (! WITH_PROFILE)
sim_io_eprintf (sd, "Profiling not compiled in, `-p' ignored\n");
else
return set_profile_option_mask (sd, "profile", PROFILE_USEFUL_MASK,
arg);
break;
case OPTION_PROFILE_INSN :
if (WITH_PROFILE_INSN_P)
return sim_profile_set_option (sd, "-insn", PROFILE_INSN_IDX, arg);
else
sim_io_eprintf (sd, "Instruction profiling not compiled in, `--profile-insn' ignored\n");
break;
case OPTION_PROFILE_MEMORY :
if (WITH_PROFILE_MEMORY_P)
return sim_profile_set_option (sd, "-memory", PROFILE_MEMORY_IDX, arg);
else
sim_io_eprintf (sd, "Memory profiling not compiled in, `--profile-memory' ignored\n");
break;
case OPTION_PROFILE_CORE :
if (WITH_PROFILE_CORE_P)
return sim_profile_set_option (sd, "-core", PROFILE_CORE_IDX, arg);
else
sim_io_eprintf (sd, "CORE profiling not compiled in, `--profile-core' ignored\n");
break;
case OPTION_PROFILE_MODEL :
if (WITH_PROFILE_MODEL_P)
return sim_profile_set_option (sd, "-model", PROFILE_MODEL_IDX, arg);
else
sim_io_eprintf (sd, "Model profiling not compiled in, `--profile-model' ignored\n");
break;
case OPTION_PROFILE_CPU_FREQUENCY :
{
unsigned long val;
SIM_RC rc = parse_frequency (sd, arg, &val);
if (rc == SIM_RC_OK)
{
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
PROFILE_CPU_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd,cpu_nr))) = val;
}
return rc;
}
case OPTION_PROFILE_FILE :
if (! WITH_PROFILE)
sim_io_eprintf (sd, "Profiling not compiled in, `--profile-file' ignored\n");
else
{
FILE *f = fopen (arg, "w");
if (f == NULL)
{
sim_io_eprintf (sd, "Unable to open profile output file `%s'\n", arg);
return SIM_RC_FAIL;
}
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = f;
}
break;
case OPTION_PROFILE_PC:
if (WITH_PROFILE_PC_P)
return sim_profile_set_option (sd, "-pc", PROFILE_PC_IDX, arg);
else
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc' ignored\n");
break;
case 'F' :
if (WITH_PROFILE_PC_P)
{
int val = atoi (arg);
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
PROFILE_PC_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val;
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
}
else
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-frequency' ignored\n");
break;
case 'S' :
if (WITH_PROFILE_PC_P)
{
int val = atoi (arg);
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
PROFILE_PC_NR_BUCKETS (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val;
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
}
else
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-size' ignored\n");
break;
case OPTION_PROFILE_PC_GRANULARITY:
if (WITH_PROFILE_PC_P)
{
int shift;
int val = atoi (arg);
shift = 0;
while (val > (1 << shift))
{
shift += 1;
}
if (val != (1 << shift))
{
sim_io_eprintf (sd, "PC profiling granularity not a power of two\n");
return SIM_RC_FAIL;
}
if (shift == 0)
{
sim_io_eprintf (sd, "PC profiling granularity too small");
return SIM_RC_FAIL;
}
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
PROFILE_PC_SHIFT (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = shift;
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
}
else
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-granularity' ignored\n");
break;
case OPTION_PROFILE_PC_RANGE:
if (WITH_PROFILE_PC_P)
{
char *chp = arg;
unsigned long base;
unsigned long bound;
base = strtoul (chp, &chp, 0);
if (*chp != ',')
{
sim_io_eprintf (sd, "--profile-pc-range missing BOUND argument\n");
return SIM_RC_FAIL;
}
bound = strtoul (chp + 1, NULL, 0);
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
{
PROFILE_PC_START (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = base;
PROFILE_PC_END (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = bound;
}
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
}
else
sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-range' ignored\n");
break;
#ifdef SIM_HAVE_ADDR_RANGE
case OPTION_PROFILE_RANGE :
if (WITH_PROFILE)
{
char *chp = arg;
unsigned long start,end;
start = strtoul (chp, &chp, 0);
if (*chp != ',')
{
sim_io_eprintf (sd, "--profile-range missing END argument\n");
return SIM_RC_FAIL;
}
end = strtoul (chp + 1, NULL, 0);
if (cpu != NULL)
sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)),
start, end);
else
for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))),
start, end);
}
else
sim_io_eprintf (sd, "Profiling not compiled in, `--profile-range' ignored\n");
break;
case OPTION_PROFILE_FUNCTION :
if (WITH_PROFILE)
{
}
else
sim_io_eprintf (sd, "Profiling not compiled in, `--profile-function' ignored\n");
break;
#endif
}
return SIM_RC_OK;
}
#if WITH_PROFILE_PC_P
static void
profile_pc_cleanup (SIM_DESC sd)
{
int n;
for (n = 0; n < MAX_NR_PROCESSORS; n++)
{
sim_cpu *cpu = STATE_CPU (sd, n);
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
if (PROFILE_PC_COUNT (data) != NULL)
zfree (PROFILE_PC_COUNT (data));
PROFILE_PC_COUNT (data) = NULL;
if (PROFILE_PC_EVENT (data) != NULL)
sim_events_deschedule (sd, PROFILE_PC_EVENT (data));
PROFILE_PC_EVENT (data) = NULL;
}
}
static void
profile_pc_uninstall (SIM_DESC sd)
{
profile_pc_cleanup (sd);
}
static void
profile_pc_event (SIM_DESC sd,
void *data)
{
sim_cpu *cpu = (sim_cpu*) data;
PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu);
address_word pc;
unsigned i;
switch (STATE_WATCHPOINTS (sd)->sizeof_pc)
{
case 2: pc = *(unsigned_2*)(STATE_WATCHPOINTS (sd)->pc) ; break;
case 4: pc = *(unsigned_4*)(STATE_WATCHPOINTS (sd)->pc) ; break;
case 8: pc = *(unsigned_8*)(STATE_WATCHPOINTS (sd)->pc) ; break;
default: pc = 0;
}
i = (pc - PROFILE_PC_START (profile)) >> PROFILE_PC_SHIFT (profile);
if (i < PROFILE_PC_NR_BUCKETS (profile))
PROFILE_PC_COUNT (profile) [i] += 1;
else
PROFILE_PC_COUNT (profile) [PROFILE_PC_NR_BUCKETS (profile)] += 1;
PROFILE_PC_EVENT (profile) =
sim_events_schedule (sd, PROFILE_PC_FREQ (profile), profile_pc_event, cpu);
}
static SIM_RC
profile_pc_init (SIM_DESC sd)
{
int n;
profile_pc_cleanup (sd);
for (n = 0; n < MAX_NR_PROCESSORS; n++)
{
sim_cpu *cpu = STATE_CPU (sd, n);
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
if (CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX]
&& STATE_WATCHPOINTS (sd)->pc != NULL)
{
int bucket_size;
if (PROFILE_PC_FREQ (data) == 0)
PROFILE_PC_FREQ (data) = 256;
if (PROFILE_PC_END (data) == 0)
{
PROFILE_PC_START (data) = STATE_TEXT_START (sd);
PROFILE_PC_END (data) = STATE_TEXT_END (sd);
}
if (PROFILE_PC_NR_BUCKETS (data) == 0)
{
if (PROFILE_PC_BUCKET_SIZE (data) == 0)
PROFILE_PC_NR_BUCKETS (data) = 16;
else
{
if (PROFILE_PC_END (data) == 0)
{
PROFILE_PC_NR_BUCKETS (data) =
((1 << (STATE_WATCHPOINTS (sd)->sizeof_pc) * (8 - 1))
/ (PROFILE_PC_BUCKET_SIZE (data) / 2));
}
else
{
PROFILE_PC_NR_BUCKETS (data) =
((PROFILE_PC_END (data)
- PROFILE_PC_START (data)
+ PROFILE_PC_BUCKET_SIZE (data) - 1)
/ PROFILE_PC_BUCKET_SIZE (data));
}
}
}
if (PROFILE_PC_BUCKET_SIZE (data) == 0)
{
if (PROFILE_PC_END (data) == 0)
bucket_size = ((1 << ((STATE_WATCHPOINTS (sd)->sizeof_pc * 8) - 1))
/ (PROFILE_PC_NR_BUCKETS (data) / 2));
else
bucket_size = ((PROFILE_PC_END (data)
- PROFILE_PC_START (data)
+ PROFILE_PC_NR_BUCKETS (data) - 1)
/ PROFILE_PC_NR_BUCKETS (data));
PROFILE_PC_SHIFT (data) = 0;
while (bucket_size > PROFILE_PC_BUCKET_SIZE (data))
{
PROFILE_PC_SHIFT (data) += 1;
}
}
if (PROFILE_PC_END (data) != 0)
PROFILE_PC_END (data) = (PROFILE_PC_START (data)
+ (PROFILE_PC_BUCKET_SIZE (data)
* PROFILE_PC_NR_BUCKETS (data)));
PROFILE_PC_COUNT (data) =
NZALLOC (unsigned, PROFILE_PC_NR_BUCKETS (data) + 1);
PROFILE_PC_EVENT (data) =
sim_events_schedule (sd,
PROFILE_PC_FREQ (data),
profile_pc_event,
cpu);
}
}
return SIM_RC_OK;
}
static void
profile_print_pc (sim_cpu *cpu, int verbose)
{
SIM_DESC sd = CPU_STATE (cpu);
PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu);
char comma_buf[20];
unsigned max_val;
unsigned total;
unsigned i;
if (PROFILE_PC_COUNT (profile) == 0)
return;
sim_io_printf (sd, "Program Counter Statistics:\n\n");
max_val = 0;
total = 0;
for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i)
{
total += PROFILE_PC_COUNT (profile) [i];
if (PROFILE_PC_COUNT (profile) [i] > max_val)
max_val = PROFILE_PC_COUNT (profile) [i];
}
sim_io_printf (sd, " Total samples: %s\n",
COMMAS (total));
sim_io_printf (sd, " Granularity: %s bytes per bucket\n",
COMMAS (PROFILE_PC_BUCKET_SIZE (profile)));
sim_io_printf (sd, " Size: %s buckets\n",
COMMAS (PROFILE_PC_NR_BUCKETS (profile)));
sim_io_printf (sd, " Frequency: %s cycles per sample\n",
COMMAS (PROFILE_PC_FREQ (profile)));
if (PROFILE_PC_END (profile) != 0)
sim_io_printf (sd, " Range: 0x%lx 0x%lx\n",
(long) PROFILE_PC_START (profile),
(long) PROFILE_PC_END (profile));
if (verbose && max_val != 0)
{
sim_io_printf (sd, "\n");
for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i)
{
if (PROFILE_PC_COUNT (profile) [i] != 0)
{
sim_io_printf (sd, " ");
if (i == PROFILE_PC_NR_BUCKETS (profile))
sim_io_printf (sd, "%10s:", "overflow");
else
sim_io_printf (sd, "0x%08lx:",
(long) (PROFILE_PC_START (profile)
+ (i * PROFILE_PC_BUCKET_SIZE (profile))));
sim_io_printf (sd, " %*s",
max_val < 10000 ? 5 : 10,
COMMAS (PROFILE_PC_COUNT (profile) [i]));
sim_io_printf (sd, " %4.1f",
(PROFILE_PC_COUNT (profile) [i] * 100.0) / total);
sim_io_printf (sd, ": ");
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
PROFILE_PC_COUNT (profile) [i],
max_val);
sim_io_printf (sd, "\n");
}
}
}
{
FILE *pf = fopen ("gmon.out", "wb");
if (pf == NULL)
sim_io_eprintf (sd, "Failed to open \"gmon.out\" profile file\n");
else
{
int ok;
unsigned32 header[3];
unsigned loop;
if (PROFILE_PC_END (profile) != 0)
{
header[0] = PROFILE_PC_START (profile);
header[1] = PROFILE_PC_END (profile);
}
else
{
header[0] = 0;
header[1] = 0;
}
header[2] = PROFILE_PC_NR_BUCKETS (profile) * 2 + sizeof (header);
H2T (header[0]);
H2T (header[1]);
H2T (header[2]);
ok = fwrite (&header, sizeof (header), 1, pf);
for (loop = 0;
ok && (loop < PROFILE_PC_NR_BUCKETS (profile));
loop++)
{
signed16 sample;
if (PROFILE_PC_COUNT (profile) [loop] >= 0xffff)
sample = 0xffff;
else
sample = PROFILE_PC_COUNT (profile) [loop];
ok = fwrite (&sample, sizeof (sample), 1, pf);
}
if (ok == 0)
sim_io_eprintf (sd, "Failed to write to \"gmon.out\" profile file\n");
fclose(pf);
}
}
sim_io_printf (sd, "\n");
}
#endif
#if WITH_PROFILE_INSN_P
static SIM_RC
profile_insn_init (SIM_DESC sd)
{
int c;
for (c = 0; c < MAX_NR_PROCESSORS; ++c)
{
sim_cpu *cpu = STATE_CPU (sd, c);
if (CPU_MAX_INSNS (cpu) > 0)
PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) = NZALLOC (unsigned int, CPU_MAX_INSNS (cpu));
}
return SIM_RC_OK;
}
static void
profile_print_insn (sim_cpu *cpu, int verbose)
{
unsigned int i, n, total, max_val, max_name_len;
SIM_DESC sd = CPU_STATE (cpu);
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
char comma_buf[20];
if (CPU_MAX_INSNS (cpu) == 0)
return;
sim_io_printf (sd, "Instruction Statistics");
#ifdef SIM_HAVE_ADDR_RANGE
if (PROFILE_RANGE (data)->ranges)
sim_io_printf (sd, " (for selected address range(s))");
#endif
sim_io_printf (sd, "\n\n");
max_val = 0;
total = 0;
max_name_len = 0;
for (i = 0; i < CPU_MAX_INSNS (cpu); ++i)
{
const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i);
if (name == NULL)
continue;
total += PROFILE_INSN_COUNT (data) [i];
if (PROFILE_INSN_COUNT (data) [i] > max_val)
max_val = PROFILE_INSN_COUNT (data) [i];
n = strlen (name);
if (n > max_name_len)
max_name_len = n;
}
if (! PROFILE_TOTAL_INSN_COUNT (data))
PROFILE_TOTAL_INSN_COUNT (data) = total;
sim_io_printf (sd, " Total: %s insns\n", COMMAS (total));
if (verbose && max_val != 0)
{
sim_io_printf (sd, "\n");
for (i = 0; i < CPU_MAX_INSNS (cpu); ++i)
{
const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i);
if (name == NULL)
continue;
if (PROFILE_INSN_COUNT (data) [i] != 0)
{
sim_io_printf (sd, " %*s: %*s: ",
max_name_len, name,
max_val < 10000 ? 5 : 10,
COMMAS (PROFILE_INSN_COUNT (data) [i]));
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
PROFILE_INSN_COUNT (data) [i],
max_val);
sim_io_printf (sd, "\n");
}
}
}
sim_io_printf (sd, "\n");
}
#endif
#if WITH_PROFILE_MEMORY_P
static void
profile_print_memory (sim_cpu *cpu, int verbose)
{
unsigned int i, n;
unsigned int total_read, total_write;
unsigned int max_val, max_name_len;
SIM_DESC sd = CPU_STATE (cpu);
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
char comma_buf[20];
sim_io_printf (sd, "Memory Access Statistics\n\n");
max_val = total_read = total_write = max_name_len = 0;
for (i = 0; i < MODE_TARGET_MAX; ++i)
{
total_read += PROFILE_READ_COUNT (data) [i];
total_write += PROFILE_WRITE_COUNT (data) [i];
if (PROFILE_READ_COUNT (data) [i] > max_val)
max_val = PROFILE_READ_COUNT (data) [i];
if (PROFILE_WRITE_COUNT (data) [i] > max_val)
max_val = PROFILE_WRITE_COUNT (data) [i];
n = strlen (MODE_NAME (i));
if (n > max_name_len)
max_name_len = n;
}
sim_io_printf (sd, " Total read: %s accesses\n",
COMMAS (total_read));
sim_io_printf (sd, " Total write: %s accesses\n",
COMMAS (total_write));
if (verbose && max_val != 0)
{
sim_io_printf (sd, "\n");
for (i = 0; i < MODE_TARGET_MAX; ++i)
{
if (PROFILE_READ_COUNT (data) [i] != 0)
{
sim_io_printf (sd, " %*s read: %*s: ",
max_name_len, MODE_NAME (i),
max_val < 10000 ? 5 : 10,
COMMAS (PROFILE_READ_COUNT (data) [i]));
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
PROFILE_READ_COUNT (data) [i],
max_val);
sim_io_printf (sd, "\n");
}
if (PROFILE_WRITE_COUNT (data) [i] != 0)
{
sim_io_printf (sd, " %*s write: %*s: ",
max_name_len, MODE_NAME (i),
max_val < 10000 ? 5 : 10,
COMMAS (PROFILE_WRITE_COUNT (data) [i]));
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
PROFILE_WRITE_COUNT (data) [i],
max_val);
sim_io_printf (sd, "\n");
}
}
}
sim_io_printf (sd, "\n");
}
#endif
#if WITH_PROFILE_CORE_P
static void
profile_print_core (sim_cpu *cpu, int verbose)
{
unsigned int total;
unsigned int max_val;
SIM_DESC sd = CPU_STATE (cpu);
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
char comma_buf[20];
sim_io_printf (sd, "CORE Statistics\n\n");
{
unsigned map;
total = 0;
max_val = 0;
for (map = 0; map < nr_maps; map++)
{
total += PROFILE_CORE_COUNT (data) [map];
if (PROFILE_CORE_COUNT (data) [map] > max_val)
max_val = PROFILE_CORE_COUNT (data) [map];
}
}
sim_io_printf (sd, " Total: %s accesses\n",
COMMAS (total));
if (verbose && max_val != 0)
{
unsigned map;
sim_io_printf (sd, "\n");
for (map = 0; map < nr_maps; map++)
{
if (PROFILE_CORE_COUNT (data) [map] != 0)
{
sim_io_printf (sd, "%10s:", map_to_str (map));
sim_io_printf (sd, "%*s: ",
max_val < 10000 ? 5 : 10,
COMMAS (PROFILE_CORE_COUNT (data) [map]));
sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
PROFILE_CORE_COUNT (data) [map],
max_val);
sim_io_printf (sd, "\n");
}
}
}
sim_io_printf (sd, "\n");
}
#endif
#if WITH_PROFILE_MODEL_P
static void
profile_print_model (sim_cpu *cpu, int verbose)
{
SIM_DESC sd = CPU_STATE (cpu);
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
unsigned long cti_stall_cycles = PROFILE_MODEL_CTI_STALL_CYCLES (data);
unsigned long load_stall_cycles = PROFILE_MODEL_LOAD_STALL_CYCLES (data);
unsigned long total_cycles = PROFILE_MODEL_TOTAL_CYCLES (data);
char comma_buf[20];
sim_io_printf (sd, "Model %s Timing Information",
MODEL_NAME (CPU_MODEL (cpu)));
#ifdef SIM_HAVE_ADDR_RANGE
if (PROFILE_RANGE (data)->ranges)
sim_io_printf (sd, " (for selected address range(s))");
#endif
sim_io_printf (sd, "\n\n");
sim_io_printf (sd, " %-*s %s\n",
PROFILE_LABEL_WIDTH, "Taken branches:",
COMMAS (PROFILE_MODEL_TAKEN_COUNT (data)));
sim_io_printf (sd, " %-*s %s\n",
PROFILE_LABEL_WIDTH, "Untaken branches:",
COMMAS (PROFILE_MODEL_UNTAKEN_COUNT (data)));
sim_io_printf (sd, " %-*s %s\n",
PROFILE_LABEL_WIDTH, "Cycles stalled due to branches:",
COMMAS (cti_stall_cycles));
sim_io_printf (sd, " %-*s %s\n",
PROFILE_LABEL_WIDTH, "Cycles stalled due to loads:",
COMMAS (load_stall_cycles));
sim_io_printf (sd, " %-*s %s\n",
PROFILE_LABEL_WIDTH, "Total cycles (*approximate*):",
COMMAS (total_cycles));
sim_io_printf (sd, "\n");
}
#endif
void
sim_profile_print_bar (SIM_DESC sd, unsigned int width,
unsigned int val, unsigned int max_val)
{
unsigned int i, count;
count = ((double) val / (double) max_val) * (double) width;
for (i = 0; i < count; ++i)
sim_io_printf (sd, "*");
}
static void
profile_print_speed (sim_cpu *cpu)
{
SIM_DESC sd = CPU_STATE (cpu);
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
unsigned long milliseconds = sim_events_elapsed_time (sd);
unsigned long total = PROFILE_TOTAL_INSN_COUNT (data);
double clock;
double secs;
char comma_buf[20];
sim_io_printf (sd, "Simulator Execution Speed\n\n");
if (total != 0)
sim_io_printf (sd, " Total instructions: %s\n", COMMAS (total));
if (milliseconds < 1000)
sim_io_printf (sd, " Total execution time: < 1 second\n\n");
else
{
secs = (double) milliseconds / 1000;
secs = ((double) (unsigned long) (secs * 100 + .5)) / 100;
sim_io_printf (sd, " Total execution time : %.2f seconds\n", secs);
if (secs >= 2 || total >= 100000)
sim_io_printf (sd, " Simulator speed: %s insns/second\n",
COMMAS ((unsigned long) ((double) total / secs)));
}
clock = PROFILE_CPU_FREQ (data);
if (clock != 0)
{
if (clock >= 1000000)
sim_io_printf (sd, " Simulated cpu frequency: %.2f MHz\n",
clock / 1000000);
else
sim_io_printf (sd, " Simulated cpu frequency: %.2f Hz\n", clock);
#if WITH_PROFILE_MODEL_P
if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX])
{
secs = PROFILE_MODEL_TOTAL_CYCLES (data) / clock;
secs = ((double) (unsigned long) (secs * 100 + .5)) / 100;
sim_io_printf (sd, " Simulated execution time: %.2f seconds\n",
secs);
}
#endif
}
}
static void
profile_print_addr_ranges (sim_cpu *cpu)
{
ADDR_SUBRANGE *asr = PROFILE_RANGE (CPU_PROFILE_DATA (cpu))->ranges;
SIM_DESC sd = CPU_STATE (cpu);
if (asr)
{
sim_io_printf (sd, "Selected address ranges\n\n");
while (asr != NULL)
{
sim_io_printf (sd, " 0x%lx - 0x%lx\n",
(long) asr->start, (long) asr->end);
asr = asr->next;
}
sim_io_printf (sd, "\n");
}
}
static void
profile_info (SIM_DESC sd, int verbose)
{
int i,c;
int print_title_p = 0;
for (c = 0; c < MAX_NR_PROCESSORS; ++c)
{
sim_cpu *cpu = STATE_CPU (sd, c);
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
for (i = 0; i < MAX_PROFILE_VALUES; ++i)
if (PROFILE_FLAGS (data) [i])
print_title_p = 1;
}
if (print_title_p)
sim_io_printf (sd, "Summary profiling results:\n\n");
for (c = 0; c < MAX_NR_PROCESSORS; ++c)
{
sim_cpu *cpu = STATE_CPU (sd, c);
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
if (MAX_NR_PROCESSORS > 1
&& (0
#if WITH_PROFILE_INSN_P
|| PROFILE_FLAGS (data) [PROFILE_INSN_IDX]
#endif
#if WITH_PROFILE_MEMORY_P
|| PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX]
#endif
#if WITH_PROFILE_CORE_P
|| PROFILE_FLAGS (data) [PROFILE_CORE_IDX]
#endif
#if WITH_PROFILE_MODEL_P
|| PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]
#endif
#if WITH_PROFILE_SCACHE_P && WITH_SCACHE
|| PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX]
#endif
#if WITH_PROFILE_PC_P
|| PROFILE_FLAGS (data) [PROFILE_PC_IDX]
#endif
))
{
sim_io_printf (sd, "CPU %d\n\n", c);
}
#ifdef SIM_HAVE_ADDR_RANGE
if (print_title_p
&& (PROFILE_INSN_P (cpu)
|| PROFILE_MODEL_P (cpu)))
profile_print_addr_ranges (cpu);
#endif
#if WITH_PROFILE_INSN_P
if (PROFILE_FLAGS (data) [PROFILE_INSN_IDX])
profile_print_insn (cpu, verbose);
#endif
#if WITH_PROFILE_MEMORY_P
if (PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX])
profile_print_memory (cpu, verbose);
#endif
#if WITH_PROFILE_CORE_P
if (PROFILE_FLAGS (data) [PROFILE_CORE_IDX])
profile_print_core (cpu, verbose);
#endif
#if WITH_PROFILE_MODEL_P
if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX])
profile_print_model (cpu, verbose);
#endif
#if WITH_PROFILE_SCACHE_P && WITH_SCACHE
if (PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX])
scache_print_profile (cpu, verbose);
#endif
#if WITH_PROFILE_PC_P
if (PROFILE_FLAGS (data) [PROFILE_PC_IDX])
profile_print_pc (cpu, verbose);
#endif
if (PROFILE_INFO_CPU_CALLBACK (data) != NULL)
PROFILE_INFO_CPU_CALLBACK (data) (cpu, verbose);
if (verbose
|| PROFILE_FLAGS (data) [PROFILE_INSN_IDX])
profile_print_speed (cpu);
}
if (STATE_PROFILE_INFO_CALLBACK (sd))
STATE_PROFILE_INFO_CALLBACK (sd) (sd, verbose);
}
SIM_RC
profile_install (SIM_DESC sd)
{
int i;
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
sim_add_option_table (sd, NULL, profile_options);
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
memset (CPU_PROFILE_DATA (STATE_CPU (sd, i)), 0,
sizeof (* CPU_PROFILE_DATA (STATE_CPU (sd, i))));
#if WITH_PROFILE_INSN_P
sim_module_add_init_fn (sd, profile_insn_init);
#endif
#if WITH_PROFILE_PC_P
sim_module_add_uninstall_fn (sd, profile_pc_uninstall);
sim_module_add_init_fn (sd, profile_pc_init);
#endif
sim_module_add_init_fn (sd, profile_init);
sim_module_add_uninstall_fn (sd, profile_uninstall);
sim_module_add_info_fn (sd, profile_info);
return SIM_RC_OK;
}
static SIM_RC
profile_init (SIM_DESC sd)
{
#ifdef SIM_HAVE_ADDR_RANGE
{
int i;
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
{
sim_cpu *cpu = STATE_CPU (sd, i);
if (ADDR_RANGE_RANGES (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)))
&& ! (PROFILE_INSN_P (cpu)
|| PROFILE_MODEL_P (cpu)))
{
sim_io_eprintf_cpu (cpu, "Profiling address range specified without --profile-insn or --profile-model.\n");
sim_io_eprintf_cpu (cpu, "Address range ignored.\n");
sim_addr_range_delete (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)),
0, ~ (address_word) 0);
}
}
}
#endif
return SIM_RC_OK;
}
static void
profile_uninstall (SIM_DESC sd)
{
int i,j;
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
{
sim_cpu *cpu = STATE_CPU (sd, i);
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
if (PROFILE_FILE (data) != NULL)
{
for (j = 0; j < i; ++j)
if (PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, j)))
== PROFILE_FILE (data))
break;
if (i == j)
fclose (PROFILE_FILE (data));
}
if (PROFILE_INSN_COUNT (data) != NULL)
zfree (PROFILE_INSN_COUNT (data));
}
}