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| author | Sreekanth Reddy <[email protected]> | 2021-02-02 15:28:32 +0530 |
|---|---|---|
| committer | Martin K. Petersen <[email protected]> | 2021-02-08 21:53:12 -0500 |
| commit | 664f0dce20580837c7fa136a03b3a9fc43034104 (patch) | |
| tree | 7283d40ee7518976ada38e5900ce651862d0d3a6 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | d309ae07327d19ce613629a0535e9a11a8ff5127 (diff) | |
scsi: mpt3sas: Add support for shared host tagset for CPU hotplug
MPT Fusion adapters can steer completions to individual queues and we now
have support for shared host-wide tags in the I/O stack. The addition of
the host-wide tags allows us to enable multiqueue support for MPT Fusion
adapters. Once host-wise tags are enabled, the CPU hotplug feature is also
supported.
Allow use of host-wide tags to be disabled through the "host_tagset_enable"
module parameter. Once we do not have any major performance regressions
using host-wide tags, we will drop the hand-crafted interrupt affinity
settings.
Performance is meeting expectations. About 3.1M IOPS using 24 Drive SSD on
Aero controllers.
Link: https://lore.kernel.org/r/[email protected]
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Sreekanth Reddy <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
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