static void cupti_callback_context_destroy_starting(cupti_user_t *user,
CUpti_ResourceData *cbdata)
{
// Find associated counter data
pthread_mutex_lock(&mutex);
struct context_counter_data *counter_data, *prev = NULL;
for (counter_data = allCounterData; counter_data; counter_data = counter_data->next) {
if (counter_data->context == cbdata->context) {
break;
}
prev = counter_data;
}
if (!counter_data) {
// This can happen if a context gets destroyed that existed
// before our callbacks got established (FIXME?). Furthermore,
// the docs sound like it's unreliable to depend on context
// identity - this might also cause this.
fprintf(stderr, "CUPTI warning: Unmatched destroyed context!\n");
pthread_mutex_unlock(&mutex);
return;
}
// Disable counters
int i;
CUpti_EventGroupSets *eventGroupPasses = counter_data->eventGroupSets;
for (i = 0; i < eventGroupPasses->sets->numEventGroups; i++) {
CUPTI_ASSERT(cuptiEventGroupDisable(eventGroupPasses->sets->eventGroups[i]));
}
// Free event group
CUPTI_ASSERT(cuptiEventGroupSetsDestroy(eventGroupPasses));
// Free
if (prev) {
prev->next = counter_data->next;
} else {
allCounterData = counter_data->next;
}
free(counter_data);
pthread_mutex_unlock(&mutex);
}
/*
* Stop CUPTI counter capturing by disabling the CUPTI event groups.
*
* @param vtcuptiEvtCtx pointer to the VampirTrace CUPTI events context
*/
static void vt_cuptievt_stop(vt_cupti_events_t *vtcuptiEvtCtx)
{
vt_cupti_evtgrp_t *vtcuptiGrp = NULL;
if(vtcuptiEvtCtx == NULL || vt_gpu_debug)
return;
/* stop counter reading for all groups */
vtcuptiGrp = vtcuptiEvtCtx->vtGrpList;
while(vtcuptiGrp != NULL){
if(vtcuptiGrp->enabled){
CUptiResult cuptiErr = CUPTI_SUCCESS;
cuptiErr = cuptiEventGroupDisable(vtcuptiGrp->evtGrp);
VT_CUPTI_CALL(cuptiErr, "cuptiEventGroupDisable");
vtcuptiGrp->enabled = 0;
}
vtcuptiGrp = vtcuptiGrp->next;
}
}
/*
* Stop CUPTI counter capturing by disabling the CUPTI event groups.
*
* @param vtcuptiCtx pointer to the VampirTrace CUPTI context
*/
static void vt_cupti_stop(vt_cupti_ctx_t *vtcuptiCtx)
{
vt_cupti_grp_t *vtcuptiGrp = NULL;
/*vt_cntl_msg(1, "[CUPTI] vt_cupti_stop() ... ");*/
if(vtcuptiCtx == NULL || vt_gpu_debug) return;
/* stop counter reading for all groups */
vtcuptiGrp = vtcuptiCtx->vtGrpList;
while(vtcuptiGrp != NULL){
if(vtcuptiGrp->enabled){
CUptiResult cuptiErr = CUPTI_SUCCESS;
cuptiErr = cuptiEventGroupDisable(vtcuptiGrp->evtGrp);
CHECK_CUPTI_ERROR(cuptiErr, "cuptiEventGroupDisable");
vtcuptiGrp->enabled = 0;
}
vtcuptiGrp = vtcuptiGrp->next;
}
}
