EventTracingPriv.h File Reference

#include "include/private/base/SkMutex.h"

Go to the source code of this file.

Classes
class	SkEventTracingCategories

Functions
void	initializeEventTracingForTools (const char *mode=nullptr)

Function Documentation

initializeEventTracingForTools()

void initializeEventTracingForTools

(

const char *

mode = nullptr

)

Construct and install an SkEventTracer, based on the mode, defaulting to the –trace command line argument.

Definition at line 44 of file EventTracingPriv.cpp.

                                                           {
    if (!traceFlag) {
        if (FLAGS_trace.isEmpty()) {
            return;
        }
        traceFlag = FLAGS_trace[0];
    }
 
    SkEventTracer* eventTracer = nullptr;
    if (0 == strcmp(traceFlag, "atrace")) {
        eventTracer = new SkATrace();
    } else if (0 == strcmp(traceFlag, "debugf")) {
        eventTracer = new SkDebugfTracer();
    } else if (0 == strcmp(traceFlag, "perfetto")) {
      #if defined(SK_USE_PERFETTO)
          eventTracer = new SkPerfettoTrace();
      #else
          // TODO(b/259248961): update this explanation (and associated docs) as the Perfetto
          // transition progresses.
          SkDebugf("Perfetto is not enabled (SK_USE_PERFETTO is false). Perfetto tracing will not "
                   "be performed.\nTracing tools with Perfetto is only enabled for Linux, Android, "
                   "and Mac.\n");
          return;
      #endif
    }
    else {
        eventTracer = new ChromeTracingTracer(traceFlag);
    }
 
    SkAssertResult(SkEventTracer::SetInstance(eventTracer));
}