32   perf_event_attr attr;  in LoadPerfTscConversionParameters()  local
33   memset(&attr, 0, sizeof(attr));  in LoadPerfTscConversionParameters()
34   attr.size = sizeof(attr);  in LoadPerfTscConversionParameters()
35   attr.type = PERF_TYPE_SOFTWARE;  in LoadPerfTscConversionParameters()
36   attr.config = PERF_COUNT_SW_DUMMY;  in LoadPerfTscConversionParameters()
38   Expected<PerfEvent> perf_event = PerfEvent::Init(attr, pid);  in LoadPerfTscConversionParameters()
80 llvm::Expected<PerfEvent> PerfEvent::Init(perf_event_attr &attr,  in Init()  argument
86   long fd = syscall(SYS_perf_event_open, &attr, pid.value_or(-1),  in Init()
93   return PerfEvent(fd, !attr.disabled);  in Init()
96 llvm::Expected<PerfEvent> PerfEvent::Init(perf_event_attr &attr,  in Init()  argument
99   return Init(attr, pid, cpu, -1, 0);  in Init()
342   perf_event_attr attr;  in CreateContextSwitchTracePerfEvent()  local
343   memset(&attr, 0, sizeof(attr));  in CreateContextSwitchTracePerfEvent()
344   attr.size = sizeof(attr);  in CreateContextSwitchTracePerfEvent()
345   attr.sample_type = PERF_SAMPLE_TID | PERF_SAMPLE_TIME;  in CreateContextSwitchTracePerfEvent()
346   attr.type = PERF_TYPE_SOFTWARE;  in CreateContextSwitchTracePerfEvent()
347   attr.context_switch = 1;  in CreateContextSwitchTracePerfEvent()
348   attr.exclude_kernel = 1;  in CreateContextSwitchTracePerfEvent()
349   attr.sample_id_all = 1;  in CreateContextSwitchTracePerfEvent()
350   attr.exclude_hv = 1;  in CreateContextSwitchTracePerfEvent()
351   attr.disabled = parent_perf_event ? !parent_perf_event->IsEnabled() : false;  in CreateContextSwitchTracePerfEvent()
372           PerfEvent::Init(attr, /*pid=*/None, cpu_id, group_fd, /*flags=*/0)) {  in CreateContextSwitchTracePerfEvent()