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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/trace_event/trace_id_helper.h"
- #include "base/atomic_sequence_num.h"
- #include "base/rand_util.h"
- namespace base {
- namespace trace_event {
- uint64_t GetNextGlobalTraceId() {
- static const uint64_t kPerProcessRandomValue = base::RandUint64();
- static base::AtomicSequenceNumber counter;
- return kPerProcessRandomValue ^ static_cast<uint64_t>(counter.GetNext());
- }
- } // namespace trace_event
- } // namespace base
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