79   perf_event_attr attr;  in CreateDefaultPerfEventAttr()  local
80   memset(&attr, 0, sizeof(attr));  in CreateDefaultPerfEventAttr()
81   attr.size = sizeof(perf_event_attr);  in CreateDefaultPerfEventAttr()
82   attr.type = event_type.type;  in CreateDefaultPerfEventAttr()
83   attr.config = event_type.config;  in CreateDefaultPerfEventAttr()
84   attr.disabled = 0;  in CreateDefaultPerfEventAttr()
87   attr.read_format =  in CreateDefaultPerfEventAttr()
89   attr.sample_type |= PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_TIME | PERF_SAMPLE_PERIOD |  in CreateDefaultPerfEventAttr()
92   if (attr.type == PERF_TYPE_TRACEPOINT) {  in CreateDefaultPerfEventAttr()
95       attr.sample_type |= PERF_SAMPLE_RAW;  in CreateDefaultPerfEventAttr()
98   return attr;  in CreateDefaultPerfEventAttr()
101 void DumpPerfEventAttr(const perf_event_attr& attr, size_t indent) {  in DumpPerfEventAttr()  argument
102   std::string event_name = GetEventNameByAttr(attr);  in DumpPerfEventAttr()
105   PrintIndented(indent + 1, "type %u, size %u, config %llu\n", attr.type, attr.size, attr.config);  in DumpPerfEventAttr()
107   if (attr.freq != 0) {  in DumpPerfEventAttr()
108     PrintIndented(indent + 1, "sample_freq %llu\n", attr.sample_freq);  in DumpPerfEventAttr()
110     PrintIndented(indent + 1, "sample_period %llu\n", attr.sample_period);  in DumpPerfEventAttr()
113   PrintIndented(indent + 1, "sample_type (0x%llx) %s\n", attr.sample_type,  in DumpPerfEventAttr()
114                 SampleTypeToString(attr.sample_type).c_str());  in DumpPerfEventAttr()
116   PrintIndented(indent + 1, "read_format (0x%llx) %s\n", attr.read_format,  in DumpPerfEventAttr()
117                 ReadFormatToString(attr.read_format).c_str());  in DumpPerfEventAttr()
119   PrintIndented(indent + 1, "disabled %u, inherit %u, pinned %u, exclusive %u\n", attr.disabled,  in DumpPerfEventAttr()
120                 attr.inherit, attr.pinned, attr.exclusive);  in DumpPerfEventAttr()
123                 attr.exclude_user, attr.exclude_kernel, attr.exclude_hv);  in DumpPerfEventAttr()
126                 attr.exclude_idle, attr.mmap, attr.mmap2, attr.comm, attr.freq);  in DumpPerfEventAttr()
128   PrintIndented(indent + 1, "inherit_stat %u, enable_on_exec %u, task %u\n", attr.inherit_stat,  in DumpPerfEventAttr()
129                 attr.enable_on_exec, attr.task);  in DumpPerfEventAttr()
131   PrintIndented(indent + 1, "watermark %u, precise_ip %u, mmap_data %u\n", attr.watermark,  in DumpPerfEventAttr()
132                 attr.precise_ip, attr.mmap_data);  in DumpPerfEventAttr()
135                 attr.sample_id_all, attr.exclude_host, attr.exclude_guest);  in DumpPerfEventAttr()
136   PrintIndented(indent + 1, "config2 0x%llx\n", attr.config2);  in DumpPerfEventAttr()
137   PrintIndented(indent + 1, "branch_sample_type 0x%" PRIx64 "\n", attr.branch_sample_type);  in DumpPerfEventAttr()
139                 attr.exclude_callchain_kernel, attr.exclude_callchain_user);  in DumpPerfEventAttr()
140   PrintIndented(indent + 1, "sample_regs_user 0x%" PRIx64 "\n", attr.sample_regs_user);  in DumpPerfEventAttr()
141   PrintIndented(indent + 1, "sample_stack_user 0x%" PRIx64 "\n", attr.sample_stack_user);  in DumpPerfEventAttr()
151   for (const auto& attr : attrs) {  in GetCommonEventIdPositionsForAttrs()  local
152     sample_types.push_back(attr.sample_type);  in GetCommonEventIdPositionsForAttrs()
190   for (const auto& attr : attrs) {  in GetCommonEventIdPositionsForAttrs()  local
191     if (attr.sample_id_all == 0) {  in GetCommonEventIdPositionsForAttrs()
223 bool IsTimestampSupported(const perf_event_attr& attr) {  in IsTimestampSupported()  argument
224   return attr.sample_id_all && (attr.sample_type & PERF_SAMPLE_TIME);  in IsTimestampSupported()
227 bool IsCpuSupported(const perf_event_attr& attr) {  in IsCpuSupported()  argument
228   return attr.sample_id_all && (attr.sample_type & PERF_SAMPLE_CPU);  in IsCpuSupported()
231 std::string GetEventNameByAttr(const perf_event_attr& attr) {  in GetEventNameByAttr()  argument
235     if (event_type.type == attr.type &&  in GetEventNameByAttr()
236         (event_type.config == attr.config || IsEtmEventType(event_type.type))) {  in GetEventNameByAttr()
238       if (attr.exclude_user && !attr.exclude_kernel) {  in GetEventNameByAttr()
240       } else if (attr.exclude_kernel && !attr.exclude_user) {  in GetEventNameByAttr()