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-rw-r--r--chromium/v8/src/flag-definitions.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/chromium/v8/src/flag-definitions.h b/chromium/v8/src/flag-definitions.h
index a89c8e4d4ba..79611270dd4 100644
--- a/chromium/v8/src/flag-definitions.h
+++ b/chromium/v8/src/flag-definitions.h
@@ -613,6 +613,8 @@ DEFINE_INT(trace_allocation_stack_interval, -1,
DEFINE_BOOL(trace_fragmentation, false, "report fragmentation for old space")
DEFINE_BOOL(trace_fragmentation_verbose, false,
"report fragmentation for old space (detailed)")
+DEFINE_BOOL(trace_mutator_utilization, false,
+ "print mutator utilization, allocation speed, gc speed")
DEFINE_BOOL(weak_embedded_maps_in_optimized_code, true,
"make maps embedded in optimized code weak")
DEFINE_BOOL(weak_embedded_objects_in_optimized_code, true,