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authorDick Kennedy <dick.kennedy@broadcom.com>2017-09-30 03:34:33 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2017-10-03 05:46:35 +0300
commitc8a4ce0bf3aad1a73d5122a3781a0be83bc0d0a4 (patch)
treee75c5208cf24295adf7355d815aab0714d4994fe /ipc
parente8bcf0ae4c0346fdc78ebefe0eefcaa6a6622d38 (diff)
downloadlinux-c8a4ce0bf3aad1a73d5122a3781a0be83bc0d0a4.tar.xz
scsi: lpfc: Make ktime sampling more accurate
Need to make ktime samples more accurate If ktime is turned on in the middle of an IO, the max calculation could be misleading. Base sampling on the start time of the IO as opposed to ktime_on. Make ISR ktime timestamps be from when CQE is read instead of EQE. Added additional sanity checks when deciding whether to accept an IO sample or not. Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'ipc')
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