void
stat_startGC (gc_thread *gct)
{
nat bell = RtsFlags.GcFlags.ringBell;
if (bell) {
if (bell > 1) {
debugBelch(" GC ");
rub_bell = 1;
} else {
debugBelch("\007");
}
}
#if USE_PAPI
if(papi_is_reporting) {
/* Switch to counting GC events */
papi_stop_mutator_count();
papi_start_gc_count();
}
#endif
getProcessTimes(&gct->gc_start_cpu, &gct->gc_start_elapsed);
gct->gc_start_thread_cpu = getThreadCPUTime();
if (RtsFlags.GcFlags.giveStats != NO_GC_STATS)
{
gct->gc_start_faults = getPageFaults();
}
}
void
stat_startExit(void)
{
getProcessTimes(&start_exit_cpu, &start_exit_elapsed);
#if USE_PAPI
/* We stop counting mutator events
* GC events are not being counted at this point */
papi_stop_mutator_count();
/* This flag is needed, because GC is run once more after this function */
papi_is_reporting = 0;
#endif
}
void
stat_startGC (Capability *cap, gc_thread *gct)
{
nat bell = RtsFlags.GcFlags.ringBell;
if (bell) {
if (bell > 1) {
debugBelch(" GC ");
rub_bell = 1;
} else {
debugBelch("\007");
}
}
#if USE_PAPI
if(papi_is_reporting) {
/* Switch to counting GC events */
papi_stop_mutator_count();
papi_start_gc_count();
}
#endif
getProcessTimes(&gct->gc_start_cpu, &gct->gc_start_elapsed);
// Post EVENT_GC_START with the same timestamp as used for stats
// (though converted from Time=StgInt64 to EventTimestamp=StgWord64).
// Here, as opposed to other places, the event is emitted on the cap
// that initiates the GC and external tools expect it to have the same
// timestamp as used in +RTS -s calculcations.
traceEventGcStartAtT(cap,
TimeToNS(gct->gc_start_elapsed - start_init_elapsed));
gct->gc_start_thread_cpu = getThreadCPUTime();
if (RtsFlags.GcFlags.giveStats != NO_GC_STATS)
{
gct->gc_start_faults = getPageFaults();
}
}
