Commit 9c2c807e authored by Mohan Srinivasan's avatar Mohan Srinivasan
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Android: MMC/UFS IO Latency Histograms. 



This patch adds a new sysfs node (latency_hist) and reports
IO (svc time) latency histograms. Disabled by default, can be
enabled by echoing 0 into latency_hist, stats can be cleared
by writing 2 into latency_hist.

Bug: 30677035
Change-Id: I0ef42521ff7c44bc08b649183e3b250ac726b318
Signed-off-by: default avatarMohan Srinivasan <srmohan@google.com>
parent e9b5b390
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