static void
MXUserStatsActionRW(MXUserHeader *header) // IN:
{
MXUserRWLock *lock = (MXUserRWLock *) header;
MXUserHeldStats *heldStats = Atomic_ReadPtr(&lock->heldStatsMem);
MXUserAcquireStats *acquireStats = Atomic_ReadPtr(&lock->acquireStatsMem);
if (heldStats) {
MXUserDumpBasicStats(&heldStats->data, header);
if (Atomic_ReadPtr(&heldStats->histo) != NULL) {
MXUserHistoDump(Atomic_ReadPtr(&heldStats->histo), header);
}
}
if (acquireStats) {
Bool isHot;
Bool doLog;
double contentionRatio;
/*
* Dump the statistics for the specified lock.
*/
MXUserDumpAcquisitionStats(&acquireStats->data, header);
if (Atomic_ReadPtr(&acquireStats->histo) != NULL) {
MXUserHistoDump(Atomic_ReadPtr(&acquireStats->histo), header);
}
/*
* Has the lock gone "hot"? If so, implement the hot actions.
*/
MXUserKitchen(&acquireStats->data, &contentionRatio, &isHot, &doLog);
if (isHot) {
MXUserForceHisto(&acquireStats->histo,
MXUSER_STAT_CLASS_ACQUISITION,
MXUSER_DEFAULT_HISTO_MIN_VALUE_NS,
MXUSER_DEFAULT_HISTO_DECADES);
if (heldStats) {
MXUserForceHisto(&heldStats->histo,
MXUSER_STAT_CLASS_HELD,
MXUSER_DEFAULT_HISTO_MIN_VALUE_NS,
MXUSER_DEFAULT_HISTO_DECADES);
}
if (doLog) {
Log("HOT LOCK (%s); contention ratio %f\n",
lock->header.name, contentionRatio);
}
}
}
}
static void
MXUserStatsActionSema(MXUserHeader *header) // IN:
{
MXUserSemaphore *sema = (MXUserSemaphore *) header;
MXUserAcquireStats *acquireStats = Atomic_ReadPtr(&sema->acquireStatsMem);
if (LIKELY(acquireStats != NULL)) {
Bool isHot;
Bool doLog;
double contentionRatio;
/*
* Dump the statistics for the specified semaphore.
*/
MXUserDumpAcquisitionStats(&acquireStats->data, header);
if (Atomic_ReadPtr(&acquireStats->histo) != NULL) {
MXUserHistoDump(Atomic_ReadPtr(&acquireStats->histo), header);
}
/*
* Has the semaphore gone "hot"? If so, implement the hot actions.
*/
MXUserKitchen(&acquireStats->data, &contentionRatio, &isHot, &doLog);
if (isHot) {
MXUserForceHisto(&acquireStats->histo,
MXUSER_STAT_CLASS_ACQUISITION,
MXUSER_DEFAULT_HISTO_MIN_VALUE_NS,
MXUSER_DEFAULT_HISTO_DECADES);
if (doLog) {
Log("HOT SEMAPHORE (%s); contention ratio %f\n",
sema->header.name, contentionRatio);
}
}
}
}
