bool w_perf_finish(w_perf_t *perf) {
gettimeofday(&perf->time_end, NULL);
w_timeval_sub(perf->time_end, perf->time_begin, &perf->duration);
#ifdef HAVE_SYS_RESOURCE_H
getrusage(RUSAGE_SELF, &perf->usage_end);
// Compute the delta for the usage
w_timeval_sub(perf->usage_end.ru_utime, perf->usage_begin.ru_utime,
&perf->usage.ru_utime);
w_timeval_sub(perf->usage_end.ru_stime, perf->usage_begin.ru_stime,
&perf->usage.ru_stime);
#define DIFFU(n) perf->usage.n = perf->usage_end.n - perf->usage_begin.n
DIFFU(ru_maxrss);
DIFFU(ru_ixrss);
DIFFU(ru_idrss);
DIFFU(ru_minflt);
DIFFU(ru_majflt);
DIFFU(ru_nswap);
DIFFU(ru_inblock);
DIFFU(ru_oublock);
DIFFU(ru_msgsnd);
DIFFU(ru_msgrcv);
DIFFU(ru_nsignals);
DIFFU(ru_nvcsw);
DIFFU(ru_nivcsw);
#undef DIFFU
#endif
if (!perf->will_log) {
if (perf->wall_time_elapsed_thresh == 0) {
json_t *thresh = cfg_get_json(NULL, "perf_sampling_thresh");
if (thresh) {
if (json_is_number(thresh)) {
perf->wall_time_elapsed_thresh = json_number_value(thresh);
} else {
json_unpack(thresh, "{s:f}", perf->description,
&perf->wall_time_elapsed_thresh);
}
}
}
if (perf->wall_time_elapsed_thresh > 0 &&
w_timeval_diff(perf->time_begin, perf->time_end) >
perf->wall_time_elapsed_thresh) {
perf->will_log = true;
}
}
return perf->will_log;
}
bool watchman_perf_sample::finish() {
gettimeofday(&time_end, nullptr);
w_timeval_sub(time_end, time_begin, &duration);
#ifdef HAVE_SYS_RESOURCE_H
getrusage(RUSAGE_SELF, &usage_end);
// Compute the delta for the usage
w_timeval_sub(usage_end.ru_utime, usage_begin.ru_utime, &usage.ru_utime);
w_timeval_sub(usage_end.ru_stime, usage_begin.ru_stime, &usage.ru_stime);
#define DIFFU(n) usage.n = usage_end.n - usage_begin.n
DIFFU(ru_maxrss);
DIFFU(ru_ixrss);
DIFFU(ru_idrss);
DIFFU(ru_minflt);
DIFFU(ru_majflt);
DIFFU(ru_nswap);
DIFFU(ru_inblock);
DIFFU(ru_oublock);
DIFFU(ru_msgsnd);
DIFFU(ru_msgrcv);
DIFFU(ru_nsignals);
DIFFU(ru_nvcsw);
DIFFU(ru_nivcsw);
#undef DIFFU
#endif
if (!will_log) {
if (wall_time_elapsed_thresh == 0) {
auto thresh = cfg_get_json("perf_sampling_thresh");
if (thresh) {
if (json_is_number(thresh)) {
wall_time_elapsed_thresh = json_number_value(thresh);
} else {
json_unpack(thresh, "{s:f}", description, &wall_time_elapsed_thresh);
}
}
}
if (wall_time_elapsed_thresh > 0 &&
w_timeval_diff(time_begin, time_end) > wall_time_elapsed_thresh) {
will_log = true;
}
}
return will_log;
}