| // Copyright 2020 The Chromium Authors |
| // 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 BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID) || \ |
| BUILDFLAG(IS_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 |
