| 283 | } |
| 284 | |
| 285 | void StartSynchronizationProfiling() { |
| 286 | InitSpinLockContentionProfiling(); |
| 287 | base::subtle::Barrier_AtomicIncrement(&g_profiling_enabled, 1); |
| 288 | } |
| 289 | |
| 290 | void FlushSynchronizationProfile(std::ostringstream* out, |
| 291 | int64_t* drop_count) { |