4d846d260e
The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
497 lines
15 KiB
C
497 lines
15 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2018, Matthew Macy
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/cpuset.h>
|
|
#include <sys/event.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/time.h>
|
|
#include <sys/ttycom.h>
|
|
#include <sys/user.h>
|
|
#include <sys/wait.h>
|
|
|
|
#include <assert.h>
|
|
#include <curses.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <getopt.h>
|
|
#include <kvm.h>
|
|
#include <libgen.h>
|
|
#include <limits.h>
|
|
#include <locale.h>
|
|
#include <math.h>
|
|
#include <pmc.h>
|
|
#include <pmclog.h>
|
|
#include <regex.h>
|
|
#include <signal.h>
|
|
#include <stdarg.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sysexits.h>
|
|
#include <unistd.h>
|
|
|
|
#include <libpmcstat.h>
|
|
#include "cmd_pmc.h"
|
|
|
|
/*
|
|
* Return the frequency of the kernel's statistics clock.
|
|
*/
|
|
static int
|
|
getstathz(void)
|
|
{
|
|
int mib[2];
|
|
size_t size;
|
|
struct clockinfo clockrate;
|
|
|
|
mib[0] = CTL_KERN;
|
|
mib[1] = KERN_CLOCKRATE;
|
|
size = sizeof clockrate;
|
|
if (sysctl(mib, 2, &clockrate, &size, NULL, 0) == -1)
|
|
err(1, "sysctl kern.clockrate");
|
|
return clockrate.stathz;
|
|
}
|
|
|
|
#define STAT_MODE_NPMCS 6
|
|
#define FIXED_MODE_NPMCS 2
|
|
static struct timespec before_ts;
|
|
#define CYCLES 0
|
|
#define INST 1
|
|
#define BR 2
|
|
#define IAP_START BR
|
|
#define BR_MISS 3
|
|
#define CACHE 4
|
|
#define CACHE_MISS 5
|
|
static const char *pmc_stat_mode_names[] = {
|
|
"cycles",
|
|
"instructions",
|
|
"branches",
|
|
"branch-misses",
|
|
"cache-references",
|
|
"cache-misses",
|
|
};
|
|
|
|
/* Common aliases for the desired stat counter */
|
|
static const char *pmc_stat_mode_aliases[] = {
|
|
"unhalted-cycles",
|
|
"instructions",
|
|
"branches",
|
|
"branch-mispredicts",
|
|
"LLC-REFERENCE",
|
|
"LLC-MISSES",
|
|
};
|
|
|
|
static int pmcstat_sockpair[NSOCKPAIRFD];
|
|
|
|
static void __dead2
|
|
usage(void)
|
|
{
|
|
errx(EX_USAGE,
|
|
"\t get basic stats from command line program\n"
|
|
"\t -j <eventlist>, --events <eventlist> comma-delimited list of event specifiers\n"
|
|
);
|
|
}
|
|
|
|
static void
|
|
showtime(FILE *out, struct timespec *before, struct timespec *after,
|
|
struct rusage *ru)
|
|
{
|
|
char decimal_point;
|
|
uint64_t real, user, sys;
|
|
|
|
(void)setlocale(LC_NUMERIC, "");
|
|
decimal_point = localeconv()->decimal_point[0];
|
|
|
|
after->tv_sec -= before->tv_sec;
|
|
after->tv_nsec -= before->tv_nsec;
|
|
if (after->tv_nsec < 0) {
|
|
after->tv_sec--;
|
|
after->tv_nsec += 1000000000;
|
|
}
|
|
|
|
real = (after->tv_sec * 1000000000 + after->tv_nsec) / 1000;
|
|
user = ru->ru_utime.tv_sec * 1000000 + ru->ru_utime.tv_usec;
|
|
sys = ru->ru_stime.tv_sec * 1000000 + ru->ru_stime.tv_usec;
|
|
fprintf(out, "%13jd%c%02ld real\t\t\t#\t%2.02f%% cpu\n",
|
|
(intmax_t)after->tv_sec, decimal_point,
|
|
after->tv_nsec / 10000000, 100 * (double)(sys + user + 1) / (double)(real + 1));
|
|
fprintf(out, "%13jd%c%02ld user\t\t\t#\t%2.2f%% cpu\n",
|
|
(intmax_t)ru->ru_utime.tv_sec, decimal_point,
|
|
ru->ru_utime.tv_usec / 10000, 100 * (double)(user + 1) / (double)(real + 1));
|
|
fprintf(out, "%13jd%c%02ld sys\t\t\t#\t%2.02f%% cpu\n",
|
|
(intmax_t)ru->ru_stime.tv_sec, decimal_point,
|
|
ru->ru_stime.tv_usec / 10000, 100 * (double)(sys + 1) / (double)(real + 1));
|
|
}
|
|
|
|
static const char *stat_mode_cntrs[STAT_MODE_NPMCS];
|
|
static const char *stat_mode_names[STAT_MODE_NPMCS];
|
|
|
|
static void
|
|
pmc_stat_setup_stat(int system_mode, const char *arg)
|
|
{
|
|
const char *new_cntrs[STAT_MODE_NPMCS];
|
|
struct pmcstat_ev *ev;
|
|
char *counters, *counter;
|
|
int i, c, start, newcnt;
|
|
cpuset_t cpumask, rootmask;
|
|
|
|
if (cpuset_getaffinity(CPU_LEVEL_ROOT, CPU_WHICH_PID, -1,
|
|
sizeof(rootmask), &rootmask) == -1)
|
|
err(EX_OSERR, "ERROR: Cannot determine the root set of CPUs");
|
|
CPU_COPY(&rootmask, &cpumask);
|
|
|
|
if (system_mode && geteuid() != 0)
|
|
errx(EX_USAGE, "ERROR: system mode counters can only be used as root");
|
|
counters = NULL;
|
|
for (i = 0; i < STAT_MODE_NPMCS; i++) {
|
|
stat_mode_cntrs[i] = pmc_stat_mode_aliases[i];
|
|
stat_mode_names[i] = pmc_stat_mode_names[i];
|
|
}
|
|
if (arg) {
|
|
counters = strdup(arg);
|
|
newcnt = 0;
|
|
while ((counter = strsep(&counters, ",")) != NULL &&
|
|
newcnt < STAT_MODE_NPMCS - IAP_START) {
|
|
new_cntrs[newcnt++] = counter;
|
|
if (pmc_pmu_sample_rate_get(counter) == DEFAULT_SAMPLE_COUNT)
|
|
errx(EX_USAGE, "ERROR: %s not recognized on host", counter);
|
|
}
|
|
start = IAP_START + STAT_MODE_NPMCS - FIXED_MODE_NPMCS - newcnt;
|
|
for (i = 0; i < newcnt; i++) {
|
|
stat_mode_cntrs[start + i] = new_cntrs[i];
|
|
stat_mode_names[start + i] = new_cntrs[i];
|
|
}
|
|
}
|
|
if (system_mode)
|
|
pmc_args.pa_flags |= FLAG_HAS_SYSTEM_PMCS;
|
|
else
|
|
pmc_args.pa_flags |= FLAG_HAS_PROCESS_PMCS;
|
|
pmc_args.pa_flags |= FLAG_HAS_COUNTING_PMCS;
|
|
pmc_args.pa_flags |= FLAG_HAS_COMMANDLINE | FLAG_HAS_TARGET;
|
|
pmc_args.pa_flags |= FLAG_HAS_PIPE;
|
|
pmc_args.pa_required |= FLAG_HAS_COMMANDLINE | FLAG_HAS_TARGET | FLAG_HAS_OUTPUT_LOGFILE;
|
|
pmc_args.pa_outputpath = strdup("/dev/null");
|
|
pmc_args.pa_logfd = pmcstat_open_log(pmc_args.pa_outputpath,
|
|
PMCSTAT_OPEN_FOR_WRITE);
|
|
for (i = 0; i < STAT_MODE_NPMCS; i++) {
|
|
if ((ev = malloc(sizeof(*ev))) == NULL)
|
|
errx(EX_SOFTWARE, "ERROR: Out of memory.");
|
|
if (system_mode)
|
|
ev->ev_mode = PMC_MODE_SC;
|
|
else
|
|
ev->ev_mode = PMC_MODE_TC;
|
|
ev->ev_spec = strdup(stat_mode_cntrs[i]);
|
|
if (ev->ev_spec == NULL)
|
|
errx(EX_SOFTWARE, "ERROR: Out of memory.");
|
|
c = strcspn(strdup(stat_mode_cntrs[i]), ", \t");
|
|
ev->ev_name = malloc(c + 1);
|
|
if (ev->ev_name == NULL)
|
|
errx(EX_SOFTWARE, "ERROR: Out of memory.");
|
|
(void)strncpy(ev->ev_name, stat_mode_cntrs[i], c);
|
|
*(ev->ev_name + c) = '\0';
|
|
|
|
ev->ev_count = -1;
|
|
ev->ev_flags = 0;
|
|
ev->ev_flags |= PMC_F_DESCENDANTS;
|
|
ev->ev_cumulative = 1;
|
|
|
|
ev->ev_saved = 0LL;
|
|
ev->ev_pmcid = PMC_ID_INVALID;
|
|
STAILQ_INSERT_TAIL(&pmc_args.pa_events, ev, ev_next);
|
|
if (system_mode) {
|
|
ev->ev_cpu = CPU_FFS(&cpumask) - 1;
|
|
CPU_CLR(ev->ev_cpu, &cpumask);
|
|
pmcstat_clone_event_descriptor(ev, &cpumask, &pmc_args);
|
|
CPU_SET(ev->ev_cpu, &cpumask);
|
|
} else
|
|
ev->ev_cpu = PMC_CPU_ANY;
|
|
|
|
}
|
|
if (clock_gettime(CLOCK_MONOTONIC, &before_ts))
|
|
err(1, "clock_gettime");
|
|
}
|
|
|
|
static void
|
|
pmc_stat_print_stat(struct rusage *ru)
|
|
{
|
|
struct pmcstat_ev *ev;
|
|
struct timespec after;
|
|
uint64_t cvals[STAT_MODE_NPMCS];
|
|
uint64_t ticks, value;
|
|
int hz, i;
|
|
|
|
if (ru) {
|
|
hz = getstathz();
|
|
ticks = hz * (ru->ru_utime.tv_sec + ru->ru_stime.tv_sec) +
|
|
hz * (ru->ru_utime.tv_usec + ru->ru_stime.tv_usec) / 1000000;
|
|
if (clock_gettime(CLOCK_MONOTONIC, &after))
|
|
err(1, "clock_gettime");
|
|
/*
|
|
* If our round-off on the tick calculation still puts us at 0,
|
|
* then always assume at least one tick.
|
|
*/
|
|
if (ticks == 0)
|
|
ticks = 1;
|
|
fprintf(pmc_args.pa_printfile, "%16ld %s\t\t#\t%02.03f M/sec\n",
|
|
ru->ru_minflt, "page faults", ((double)ru->ru_minflt / (double)ticks) / hz);
|
|
fprintf(pmc_args.pa_printfile, "%16ld %s\t\t#\t%02.03f M/sec\n",
|
|
ru->ru_nvcsw, "voluntary csw", ((double)ru->ru_nvcsw / (double)ticks) / hz);
|
|
fprintf(pmc_args.pa_printfile, "%16ld %s\t#\t%02.03f M/sec\n",
|
|
ru->ru_nivcsw, "involuntary csw", ((double)ru->ru_nivcsw / (double)ticks) / hz);
|
|
}
|
|
|
|
bzero(&cvals, sizeof(cvals));
|
|
STAILQ_FOREACH(ev, &pmc_args.pa_events, ev_next) {
|
|
if (pmc_read(ev->ev_pmcid, &value) < 0)
|
|
err(EX_OSERR, "ERROR: Cannot read pmc \"%s\"",
|
|
ev->ev_name);
|
|
for (i = 0; i < STAT_MODE_NPMCS; i++)
|
|
if (strcmp(ev->ev_name, stat_mode_cntrs[i]) == 0)
|
|
cvals[i] += value;
|
|
}
|
|
|
|
fprintf(pmc_args.pa_printfile, "%16jd %s\n", (uintmax_t)cvals[CYCLES], stat_mode_names[CYCLES]);
|
|
fprintf(pmc_args.pa_printfile, "%16jd %s\t\t#\t%01.03f inst/cycle\n", (uintmax_t)cvals[INST], stat_mode_names[INST],
|
|
(double)cvals[INST] / cvals[CYCLES]);
|
|
fprintf(pmc_args.pa_printfile, "%16jd %s\n", (uintmax_t)cvals[BR], stat_mode_names[BR]);
|
|
if (stat_mode_names[BR_MISS] == pmc_stat_mode_names[BR_MISS])
|
|
fprintf(pmc_args.pa_printfile, "%16jd %s\t\t#\t%.03f%%\n",
|
|
(uintmax_t)cvals[BR_MISS], stat_mode_names[BR_MISS],
|
|
100 * ((double)cvals[BR_MISS] / cvals[BR]));
|
|
else
|
|
fprintf(pmc_args.pa_printfile, "%16jd %s\n",
|
|
(uintmax_t)cvals[BR_MISS], stat_mode_names[BR_MISS]);
|
|
fprintf(pmc_args.pa_printfile, "%16jd %s%s", (uintmax_t)cvals[CACHE], stat_mode_names[CACHE],
|
|
stat_mode_names[CACHE] != pmc_stat_mode_names[CACHE] ? "\n" : "");
|
|
if (stat_mode_names[CACHE] == pmc_stat_mode_names[CACHE])
|
|
fprintf(pmc_args.pa_printfile, "\t#\t%.03f refs/inst\n",
|
|
((double)cvals[CACHE] / cvals[INST]));
|
|
fprintf(pmc_args.pa_printfile, "%16jd %s%s", (uintmax_t)cvals[CACHE_MISS], stat_mode_names[CACHE_MISS],
|
|
stat_mode_names[CACHE_MISS] != pmc_stat_mode_names[CACHE_MISS] ? "\n" : "");
|
|
if (stat_mode_names[CACHE_MISS] == pmc_stat_mode_names[CACHE_MISS])
|
|
fprintf(pmc_args.pa_printfile, "\t\t#\t%.03f%%\n",
|
|
100 * ((double)cvals[CACHE_MISS] / cvals[CACHE]));
|
|
|
|
if (ru)
|
|
showtime(pmc_args.pa_printfile, &before_ts, &after, ru);
|
|
}
|
|
|
|
static struct option longopts[] = {
|
|
{"events", required_argument, NULL, 'j'},
|
|
{NULL, 0, NULL, 0}
|
|
};
|
|
|
|
static int
|
|
pmc_stat_internal(int argc, char **argv, int system_mode)
|
|
{
|
|
char *event, *r;
|
|
struct sigaction sa;
|
|
struct kevent kev;
|
|
struct rusage ru;
|
|
struct winsize ws;
|
|
struct pmcstat_ev *ev;
|
|
int c, option, runstate;
|
|
int waitstatus, ru_valid, do_debug;
|
|
|
|
do_debug = ru_valid = 0;
|
|
r = event = NULL;
|
|
while ((option = getopt_long(argc, argv, "dj:", longopts, NULL)) != -1) {
|
|
switch (option) {
|
|
case 'j':
|
|
r = event = strdup(optarg);
|
|
break;
|
|
case 'd':
|
|
do_debug = 1;
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
pmc_args.pa_argc = (argc -= optind);
|
|
pmc_args.pa_argv = (argv += optind);
|
|
if (argc == 0)
|
|
usage();
|
|
pmc_args.pa_flags |= FLAG_HAS_COMMANDLINE;
|
|
pmc_stat_setup_stat(system_mode, event);
|
|
free(r);
|
|
bzero(&ru, sizeof(ru));
|
|
EV_SET(&kev, SIGINT, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
|
|
if (kevent(pmc_kq, &kev, 1, NULL, 0, NULL) < 0)
|
|
err(EX_OSERR, "ERROR: Cannot register kevent for SIGINT");
|
|
|
|
EV_SET(&kev, SIGIO, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
|
|
if (kevent(pmc_kq, &kev, 1, NULL, 0, NULL) < 0)
|
|
err(EX_OSERR, "ERROR: Cannot register kevent for SIGIO");
|
|
EV_SET(&kev, 0, EVFILT_TIMER, EV_ADD, 0, 1000, NULL);
|
|
if (kevent(pmc_kq, &kev, 1, NULL, 0, NULL) < 0)
|
|
err(EX_OSERR,
|
|
"ERROR: Cannot register kevent for timer");
|
|
|
|
STAILQ_FOREACH(ev, &pmc_args.pa_events, ev_next) {
|
|
if (pmc_allocate(ev->ev_spec, ev->ev_mode,
|
|
ev->ev_flags, ev->ev_cpu, &ev->ev_pmcid, ev->ev_count) < 0)
|
|
err(EX_OSERR,
|
|
"ERROR: Cannot allocate %s-mode pmc with specification \"%s\"",
|
|
PMC_IS_SYSTEM_MODE(ev->ev_mode) ?
|
|
"system" : "process", ev->ev_spec);
|
|
|
|
if (PMC_IS_SAMPLING_MODE(ev->ev_mode) &&
|
|
pmc_set(ev->ev_pmcid, ev->ev_count) < 0)
|
|
err(EX_OSERR,
|
|
"ERROR: Cannot set sampling count for PMC \"%s\"",
|
|
ev->ev_name);
|
|
}
|
|
|
|
/*
|
|
* An exec() failure of a forked child is signalled by the
|
|
* child sending the parent a SIGCHLD. We don't register an
|
|
* actual signal handler for SIGCHLD, but instead use our
|
|
* kqueue to pick up the signal.
|
|
*/
|
|
EV_SET(&kev, SIGCHLD, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
|
|
if (kevent(pmc_kq, &kev, 1, NULL, 0, NULL) < 0)
|
|
err(EX_OSERR, "ERROR: Cannot register kevent for SIGCHLD");
|
|
|
|
pmcstat_create_process(pmcstat_sockpair, &pmc_args, pmc_kq);
|
|
|
|
if (SLIST_EMPTY(&pmc_args.pa_targets))
|
|
errx(EX_DATAERR,
|
|
"ERROR: No matching target processes.");
|
|
if (pmc_args.pa_flags & FLAG_HAS_PROCESS_PMCS)
|
|
pmcstat_attach_pmcs(&pmc_args);
|
|
|
|
/* start the pmcs */
|
|
pmc_util_start_pmcs(&pmc_args);
|
|
|
|
/* start the (commandline) process if needed */
|
|
pmcstat_start_process(pmcstat_sockpair);
|
|
|
|
/* Handle SIGINT using the kqueue loop */
|
|
sa.sa_handler = SIG_IGN;
|
|
sa.sa_flags = 0;
|
|
(void)sigemptyset(&sa.sa_mask);
|
|
|
|
if (sigaction(SIGINT, &sa, NULL) < 0)
|
|
err(EX_OSERR, "ERROR: Cannot install signal handler");
|
|
|
|
/*
|
|
* loop till either the target process (if any) exits, or we
|
|
* are killed by a SIGINT or we reached the time duration.
|
|
*/
|
|
runstate = PMCSTAT_RUNNING;
|
|
do {
|
|
if ((c = kevent(pmc_kq, NULL, 0, &kev, 1, NULL)) <= 0) {
|
|
if (errno != EINTR)
|
|
err(EX_OSERR, "ERROR: kevent failed");
|
|
else
|
|
continue;
|
|
}
|
|
if (kev.flags & EV_ERROR)
|
|
errc(EX_OSERR, kev.data, "ERROR: kevent failed");
|
|
|
|
switch (kev.filter) {
|
|
case EVFILT_PROC: /* target has exited */
|
|
if (wait4(pmc_util_get_pid(&pmc_args), &waitstatus, 0, &ru) > 0) {
|
|
getrusage(RUSAGE_CHILDREN, &ru);
|
|
ru_valid = 1;
|
|
}
|
|
break;
|
|
|
|
case EVFILT_READ: /* log file data is present */
|
|
break;
|
|
case EVFILT_TIMER:
|
|
if (do_debug)
|
|
pmc_stat_print_stat(NULL);
|
|
break;
|
|
case EVFILT_SIGNAL:
|
|
if (kev.ident == SIGCHLD) {
|
|
/*
|
|
* The child process sends us a
|
|
* SIGCHLD if its exec() failed. We
|
|
* wait for it to exit and then exit
|
|
* ourselves.
|
|
*/
|
|
(void)wait(&c);
|
|
runstate = PMCSTAT_FINISHED;
|
|
} else if (kev.ident == SIGIO) {
|
|
/*
|
|
* We get a SIGIO if a PMC loses all
|
|
* of its targets, or if logfile
|
|
* writes encounter an error.
|
|
*/
|
|
if (wait4(pmc_util_get_pid(&pmc_args), &waitstatus, 0, &ru) > 0) {
|
|
getrusage(RUSAGE_CHILDREN, &ru);
|
|
ru_valid = 1;
|
|
}
|
|
runstate = pmcstat_close_log(&pmc_args);
|
|
} else if (kev.ident == SIGINT) {
|
|
/* Kill the child process if we started it */
|
|
if (pmc_args.pa_flags & FLAG_HAS_COMMANDLINE)
|
|
pmc_util_kill_process(&pmc_args);
|
|
runstate = pmcstat_close_log(&pmc_args);
|
|
} else if (kev.ident == SIGWINCH) {
|
|
if (ioctl(fileno(pmc_args.pa_printfile),
|
|
TIOCGWINSZ, &ws) < 0)
|
|
err(EX_OSERR,
|
|
"ERROR: Cannot determine window size");
|
|
pmc_displayheight = ws.ws_row - 1;
|
|
pmc_displaywidth = ws.ws_col - 1;
|
|
} else
|
|
assert(0);
|
|
|
|
break;
|
|
}
|
|
} while (runstate != PMCSTAT_FINISHED);
|
|
if (!ru_valid)
|
|
warnx("couldn't get rusage");
|
|
pmc_stat_print_stat(&ru);
|
|
pmc_util_cleanup(&pmc_args);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
cmd_pmc_stat(int argc, char **argv)
|
|
{
|
|
return (pmc_stat_internal(argc, argv, 0));
|
|
}
|
|
|
|
int
|
|
cmd_pmc_stat_system(int argc, char **argv)
|
|
{
|
|
return (pmc_stat_internal(argc, argv, 1));
|
|
}
|