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// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/tracing/trace_time.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "third_party/perfetto/include/perfetto/base/time.h"
namespace base {
namespace tracing {
int64_t TraceBootTicksNow() {
// On Windows and Mac, TRACE_TIME_TICKS_NOW() behaves like boottime already.
#if defined(OS_LINUX) || defined(OS_CHROMEOS) || defined(OS_ANDROID) || \
defined(OS_FUCHSIA)
struct timespec ts;
int res = clock_gettime(CLOCK_BOOTTIME, &ts);
if (res != -1)
return static_cast<int64_t>(perfetto::base::FromPosixTimespec(ts).count());
#endif
return TRACE_TIME_TICKS_NOW().since_origin().InNanoseconds();
}
} // namespace tracing
} // namespace base
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