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authorWu Fengguang <fengguang.wu@intel.com>2011-05-26 16:25:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-26 17:12:34 -0700
commit02d54f092697b6046e466e447cc694b0e6ed45d0 (patch)
treecb18ecc6a8c7b0f49d5a22db4b944bbf7635465c /Documentation/ioctl/00-INDEX
parent4ed960b14d3b5fd14f1d9eb02f6d7e398317627a (diff)
getdelays: show average CPU/IO/SWAP/RECLAIM delays
I find it very handy to show the average delays in milliseconds. Example output (on 100 concurrent dd reading sparse files): CPU count real total virtual total delay total delay average 986 3223509952 3207643301 38863410579 39.415ms IO count delay total delay average 0 0 0ms SWAP count delay total delay average 0 0 0ms RECLAIM count delay total delay average 1059 5131834899 4ms dd: read=0, write=0, cancelled_write=0 Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Mel Gorman <mel@linux.vnet.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Reviewed-by: Satoru Moriya <satoru.moriya@hds.com> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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