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Bug 1118295 - Optimize emptying the prevFrames array in FlameGraphUtils.createFlameGraphDataFromSamples, r=jsantell

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Victor Porof 2015-01-11 09:54:26 -05:00
parent 0472eb9d37
commit 1914c41c37
1 changed files with 1 additions and 4 deletions
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5
browser/devtools/shared/widgets/FlameGraph.jsm
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@ -827,10 +827,7 @@ let FlameGraphUtils = {
// Previous frames at stack depths greater than the current sample's // Previous frames at stack depths greater than the current sample's
// maximum need to be nullified. It's nonsensical to reuse them. // maximum need to be nullified. It's nonsensical to reuse them.
for (let i = frameIndex; i < prevFrames.length; i++) { prevFrames.length = frameIndex;
prevFrames[i] = null;
}
prevTime = time; prevTime = time;
} }