third_party/WebKit/Source/platform/MemoryPurgeController.cpp - Issue 1460603002: Add MemoryPurgeController.ReclaimedPartitionAllocInactiveTab

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Unified Diff: third_party/WebKit/Source/platform/MemoryPurgeController.cpp

Issue 1460603002: Add MemoryPurgeController.ReclaimedPartitionAllocInactiveTab (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 5 years, 1 month ago

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Index: third_party/WebKit/Source/platform/MemoryPurgeController.cpp

diff --git a/third_party/WebKit/Source/platform/MemoryPurgeController.cpp b/third_party/WebKit/Source/platform/MemoryPurgeController.cpp

index 2f70de222920b1ca732e20a405fa364554cb1e60..9b7b0e5b8ab24931138d628c71177fc91c374e62 100644

--- a/third_party/WebKit/Source/platform/MemoryPurgeController.cpp

+++ b/third_party/WebKit/Source/platform/MemoryPurgeController.cpp

@@ -45,7 +45,17 @@ void MemoryPurgeController::pageBecameInactive()

void MemoryPurgeController::pageInactiveTask(Timer<MemoryPurgeController>*)

{

+ static const size_t maxSizeInKB = 10 * 1024;

+ size_t totalSizeBefore = WTF::Partitions::totalSizeOfCommittedPages();

purgeMemory(MemoryPurgeMode::InactiveTab);

+ size_t totalSizeAfter = WTF::Partitions::totalSizeOfCommittedPages();

+ if (totalSizeAfter >= totalSizeBefore)

+ return;

+ size_t reclaimedInKB = (totalSizeBefore - totalSizeAfter) / 1024;

+ if (reclaimedInKB >= maxSizeInKB)

+ reclaimedInKB = maxSizeInKB - 1;

+ Platform::current()->histogramEnumeration("MemoryPurgeController.ReclaimedPartitionAllocInactiveTab", reclaimedInKB, maxSizeInKB);

rkaplow 2015/11/18 16:08:00 this isn't the correct histogram method - this sho

bashi 2015/11/19 23:16:36 Done.

}

void MemoryPurgeController::purgeMemory(MemoryPurgeMode purgeMode)

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