91   std::unique_ptr<EventFd> event_fd =  in IsDumpingRegsForTracepointEventsSupported()  local
93   if (event_fd == nullptr || !event_fd->CreateMappedBuffer(4, true)) {  in IsDumpingRegsForTracepointEventsSupported()
105     std::vector<char> buffer = event_fd->GetAvailableMmapData();  in IsDumpingRegsForTracepointEventsSupported()
569     std::unique_ptr<EventFd> event_fd = EventFd::OpenEventFile(  in OpenEventFilesOnGroup()  local
571     if (!event_fd) {  in OpenEventFilesOnGroup()
575     LOG(VERBOSE) << "OpenEventFile for " << event_fd->Name();  in OpenEventFilesOnGroup()
576     event_fds.push_back(std::move(event_fd));  in OpenEventFilesOnGroup()
680         for (auto& event_fd : selection.event_fds) {  in ApplyAddrFilters()  local
681           if (!event_fd->SetFilter(filter_str)) {  in ApplyAddrFilters()
695         for (auto& event_fd : selection.event_fds) {  in ApplyTracepointFilters()  local
696           if (!event_fd->SetFilter(selection.tracepoint_filter)) {  in ApplyTracepointFilters()
706 static bool ReadCounter(EventFd* event_fd, CounterInfo* counter) {  in ReadCounter()  argument
707   if (!event_fd->ReadCounter(&counter->counter)) {  in ReadCounter()
710   counter->tid = event_fd->ThreadId();  in ReadCounter()
711   counter->cpu = event_fd->Cpu();  in ReadCounter()
724       for (auto& event_fd : selection.event_fds) {  in ReadCounters()  local
726         if (!ReadCounter(event_fd.get(), &counter)) {  in ReadCounters()
756       for (auto& event_fd : selection.event_fds) {  in PrepareToReadMmapEventData()  local
757         event_fds.push_back(event_fd.get());  in PrepareToReadMmapEventData()