src/tracing/trace_event_helper.h - main - githubmirror/node

src/tracing/trace_event_helper.h

40 строк1 KB

Chengzhong Wu

src: fix perfetto build on GetTraceFilePath

02 авг 2026, 17:30

02 авг 2026, 17:3019cf50c

#ifndef SRC_TRACING_TRACE_EVENT_HELPER_H_
#define SRC_TRACING_TRACE_EVENT_HELPER_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "v8-platform.h"

#include <string>
#include <string_view>

namespace node::tracing {

// Expands a trace log file pattern into a concrete path, substituting ${pid}
// and ${rotation}.
std::string GetTraceFilePath(std::string_view log_file_pattern, int file_num);

class TraceEventHelper {
 public:
  static v8::TracingController* GetTracingController();
  static void SetTracingController(v8::TracingController* controller);

  static inline const uint8_t* GetCategoryGroupEnabled(const char* group) {
#if !defined(V8_USE_PERFETTO)
    v8::TracingController* controller = GetTracingController();
    static const uint8_t disabled = 0;
    if (controller == nullptr) [[unlikely]] {
      return &disabled;
    }
    return controller->GetCategoryGroupEnabled(group);
#else
    return nullptr;
#endif
  }
};

}  // namespace node::tracing

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif  // SRC_TRACING_TRACE_EVENT_HELPER_H_