commit 4b8aebb0f452e5d2fc28cfa90a14ab14dc0db5f0
author Sonny Rao <sonnyrao@chromium.org> Wed Jul 31 23:18:31 2013 -0700
committer ChromeBot <chrome-bot@google.com> Thu Aug 01 18:15:49 2013 -0700
tree 979a8c2d42541895e2b700bf5d9415aee65f8144
parent 6e55c11537d0625e6d6a024db4b80ab942081022

Add additional stats for swapping from /proc/vmstat

This adds swap-in and swap-out rate calculation on the same intervals
as major page fault collection.

BUG=chromium:261965
TEST=observe Platform.SwapIn{Long,Short} and
Platform.SwapOut{Long,Short} appear in histograms

Change-Id: Ifcdba1088cdff355b8e132145ac79635b185663b
Reviewed-on: https://gerrit.chromium.org/gerrit/64162
Reviewed-by: Luigi Semenzato <semenzato@chromium.org>
Commit-Queue: Sonny Rao <sonnyrao@chromium.org>
Tested-by: Sonny Rao <sonnyrao@chromium.org>