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Unified Diff: base/trace_event/trace_buffer.h

Issue 1276163003: Increase number of bits for trace buffer chunk index (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Correct number of bits Created 5 years, 4 months ago
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Index: base/trace_event/trace_buffer.h
diff --git a/base/trace_event/trace_buffer.h b/base/trace_event/trace_buffer.h
index 4074120e4c9260be8ee1d3c29b3c09fdafa00261..d54bd74bec53edd05e87b36b0025376c17aac136 100644
--- a/base/trace_event/trace_buffer.h
+++ b/base/trace_event/trace_buffer.h
@@ -40,6 +40,10 @@ class BASE_EXPORT TraceBufferChunk {
void EstimateTraceMemoryOverhead(TraceEventMemoryOverhead* overhead);
+ // These values must be kept consistent with the numbers of bits of
+ // chunk_index and event_index fields in TraceEventHandle
+ // (in trace_event_impl.h).
+ static const size_t kMaxChunkIndex = (1u << 26) - 1;
static const size_t kTraceBufferChunkSize = 64;
private:
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