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| author | Mike Christie <michael.christie@oracle.com> | 2025-04-23 22:26:33 -0500 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2025-04-28 21:47:55 -0400 |
| commit | 268975a87c7b6f6b0ceb62df236c1e1b08b89379 (patch) | |
| tree | c15403df63b052c45e9df54253adaaaca7d956e8 /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | 9cf2317b795d6cde0fccb8744b5a080a9586020e (diff) | |
scsi: target: Move delayed/ordered tracking to per CPU
The atomic use from the delayed/ordered tracking is causing perf issues
when using higher perf backend devices and multiple queues. This moves
the values to a per CPU counter. Combined with the per CPU stats patch,
this improves IOPS by up to 33% for 8K IOS when using 4 or more queues
from the initiator.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Link: https://lore.kernel.org/r/20250424032741.16216-3-michael.christie@oracle.com
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions