15 #define TRACE_EVENT_BEGIN(name, id, extra) \  argument
20       extra);
22 #define TRACE_EVENT_END(name, id, extra) \  argument
27       extra);
29 #define TRACE_EVENT_INSTANT(name, id, extra) \  argument
34       extra);
68                     const char* extra,
75                     const std::string& extra) {  in Trace()  argument
76     return Trace(name, -1, type, id, extra.c_str(), extra.length());  in Trace()
84                     const char* extra) {  in Trace()  argument
85     return Trace(name, -1, type, id, extra, -1);  in Trace()
106                   const char* extra,