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authorKeith Busch <keith.busch@intel.com>2017-02-25 01:59:28 +0300
committerChristoph Hellwig <hch@lst.de>2017-04-21 17:41:55 +0300
commit7776db1ccc123d5944a8c170c9c45f7e91d49643 (patch)
tree9ab89673ad47e3db66dabc60672b34ebfcb7ac52 /tools/perf/scripts/python/export-to-postgresql.py
parent4363135761e085fbb5ddb16dfbd4322a4d2e5037 (diff)
downloadlinux-7776db1ccc123d5944a8c170c9c45f7e91d49643.tar.xz
nvme/pci: Poll CQ on timeout
If an IO timeout occurs, it's helpful to know if the controller did not post a completion or the driver missed an interrupt. While we never expect the latter, this patch will make it possible to tell the difference so we don't have to guess. Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
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