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