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author	Mohan Srinivasan <srmohan@google.com>
	Tue, 16 Aug 2016 22:51:34 +0000 (15:51 -0700)
committer	Mohan Srinivasan <srmohan@google.com>
	Wed, 24 Aug 2016 19:09:22 +0000 (19:09 +0000)
commit	8d525c512280bb7d8218fd59c04de985b1886eca
tree	a0981976cac0d05e1352e36fb445994f6663d755	tree \| snapshot (tar.gz zip)
parent	50acf9e6e34a14148d6a8c715c79b1cb013f4f3d	commit \| diff

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: I625938135ea33e6e87cf6af1fc7edc136d8b4b32
Signed-off-by: Mohan Srinivasan <srmohan@google.com>

block/blk-core.c		diff \| blob \| blame \| history
drivers/mmc/core/core.c		diff \| blob \| blame \| history
drivers/mmc/core/host.c		diff \| blob \| blame \| history
drivers/mmc/core/host.h		diff \| blob \| blame \| history
drivers/scsi/ufs/ufshcd.c		diff \| blob \| blame \| history
drivers/scsi/ufs/ufshcd.h		diff \| blob \| blame \| history
include/linux/blkdev.h		diff \| blob \| blame \| history
include/linux/mmc/core.h		diff \| blob \| blame \| history
include/linux/mmc/host.h		diff \| blob \| blame \| history

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