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fix use multi gpu device, sm metric is 0 #14

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Merged
merged 1 commit into from
Aug 29, 2024
Merged

fix use multi gpu device, sm metric is 0 #14

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11 changes: 8 additions & 3 deletions src/multiprocess/multiprocess_utilization_watcher.c
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Original file line number Diff line number Diff line change
Expand Up @@ -115,9 +115,6 @@ int setspec() {
}

int get_used_gpu_utilization(int *userutil,int *sysprocnum) {
nvmlProcessUtilizationSample_t processes_sample[SHARED_REGION_MAX_PROCESS_NUM];
unsigned int processes_num = SHARED_REGION_MAX_PROCESS_NUM;
nvmlDevice_t device;
struct timeval cur;
size_t microsec;

Expand All @@ -137,14 +134,22 @@ int get_used_gpu_utilization(int *userutil,int *sysprocnum) {
cudadev = nvml_to_cuda_map((unsigned int)(devi));
if (cudadev<0)
continue;
nvmlDevice_t device;
char uuid[NVML_DEVICE_UUID_BUFFER_SIZE];
CHECK_NVML_API(nvmlDeviceGetHandleByIndex(cudadev, &device));
// Get device UUID
CHECK_NVML_API(nvmlDeviceGetUUID(device, uuid, NVML_DEVICE_UUID_BUFFER_SIZE));
nvmlReturn_t res = nvmlDeviceGetComputeRunningProcesses(device,&infcount,infos);
if (res==NVML_ERROR_INSUFFICIENT_SIZE){
continue;
}
gettimeofday(&cur,NULL);
microsec = (cur.tv_sec - 1) * 1000UL * 1000UL + cur.tv_usec;
nvmlProcessUtilizationSample_t processes_sample[SHARED_REGION_MAX_PROCESS_NUM];
unsigned int processes_num = SHARED_REGION_MAX_PROCESS_NUM;
res = nvmlDeviceGetProcessUtilization(device,processes_sample,&processes_num,microsec);
LOG_DEBUG("processes_num=%d\n",processes_num);
LOG_DEBUG("Device UUID: %s\n", uuid);
if (res==NVML_ERROR_INSUFFICIENT_SIZE){
userutil[cudadev] = 0;
for (i=0; i<infcount; i++){
Expand Down