mac: Create an A/B test for batch creation for shared memory.
commitcc589ac1f1e23a78b890a2adab6f0cd800c39c2b
authorerikchen <erikchen@chromium.org>
Fri, 29 May 2015 22:06:39 +0000 (29 15:06 -0700)
committerCommit bot <commit-bot@chromium.org>
Fri, 29 May 2015 22:08:11 +0000 (29 22:08 +0000)
tree185175b111482ddb2183e51816facabc14811eb0
parentcc040280c6cef8a49a4c11c07368bf5e985bc9b2
mac: Create an A/B test for batch creation for shared memory.

It is possible that the amortized time to create a region of shared memory will
be lower if the shared memory regions are made in batches rather than
individually. This CL A/B tests that possibility.

BUG=492803

Review URL: https://codereview.chromium.org/1162493002

Cr-Commit-Position: refs/heads/master@{#332051}
base/memory/shared_memory_posix.cc
tools/metrics/histograms/histograms.xml