| // Copyright 2021 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "third_party/blink/public/web/blink.h" |
| |
| #include "base/command_line.h" |
| #include "third_party/blink/public/common/switches.h" |
| #include "third_party/blink/renderer/bindings/core/v8/v8_metrics.h" |
| #include "third_party/blink/renderer/platform/bindings/runtime_call_stats.h" |
| #include "third_party/blink/renderer/platform/scheduler/public/main_thread.h" |
| #include "third_party/blink/renderer/platform/scheduler/public/main_thread_scheduler.h" |
| #include "third_party/blink/renderer/platform/wtf/functional.h" |
| #include "v8/include/v8-isolate.h" |
| |
| namespace blink { |
| |
| // Function defined in third_party/blink/public/web/blink.h. |
| void LogStatsDuringShutdown() { |
| // WARNING: this code path is *not* hit during fast shutdown. |
| |
| // Give the V8 isolate a chance to dump internal stats useful for performance |
| // evaluation and debugging. |
| const bool dump_call_stats = |
| base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kDumpRuntimeCallStats); |
| Thread::MainThread() |
| ->Scheduler() |
| ->ToMainThreadScheduler() |
| ->ForEachMainThreadIsolate(WTF::BindRepeating( |
| [](bool dump_call_stats, v8::Isolate* isolate) { |
| isolate->DumpAndResetStats(); |
| if (dump_call_stats) { |
| LogRuntimeCallStats(isolate); |
| } |
| }, |
| dump_call_stats)); |
| } |
| |
| } // namespace blink |
