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(parent: c96aec3) | patch
dm stats: collect and report histogram of IO latencies
authorMikulas Patocka <mpatocka@redhat.com>
Tue, 9 Jun 2015 21:22:05 +0000 (17:22 -0400)
committerMike Snitzer <snitzer@redhat.com>
Wed, 17 Jun 2015 16:40:40 +0000 (12:40 -0400)
commitdfcfac3e4cd94abef779297fab6adfd2dbcf52fa
tree8ff7522b4a7607e69786a54f5dada67a8deb886btree | snapshot
parentc96aec344de0de857ef3d7fba53992c7ba311e1ecommit | diff
dm stats: collect and report histogram of IO latencies

Add an option to dm statistics to collect and report a histogram of
IO latencies.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Documentation/device-mapper/statistics.txt diff | blob | history
drivers/md/dm-stats.c diff | blob | history
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