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author | Keith Busch <[email protected]> | 2022-08-25 07:53:12 -0700 |
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committer | Jens Axboe <[email protected]> | 2022-09-01 10:42:41 -0600 |
commit | 16ede66973c84f890c03584f79158dd5b2d725f5 (patch) | |
tree | a021cb3e0dbe12dde89734f1c558e29b28758c18 /tools/perf/scripts/python/syscall-counts-by-pid.py | |
parent | ddbfc34fcf5d0bc33b006b90c580c56edeb31068 (diff) |
sbitmap: fix batched wait_cnt accounting
Batched completions can clear multiple bits, but we're only decrementing
the wait_cnt by one each time. This can cause waiters to never be woken,
stalling IO. Use the batched count instead.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215679
Signed-off-by: Keith Busch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions