diff options
| author | Nicholas Piggin <[email protected]> | 2022-11-26 19:59:30 +1000 |
|---|---|---|
| committer | Michael Ellerman <[email protected]> | 2022-12-02 17:48:50 +1100 |
| commit | 39dfc73596b48bb50cf7e4f3f54e38427dda5b4e (patch) | |
| tree | fd6c5931bfa2cf536c162c74bd3df52728c862b1 /tools/perf/scripts/python | |
| parent | cc79701114154efe79663ba47d9e51aad2ed3c78 (diff) | |
powerpc/qspinlock: allow indefinite spinning on a preempted owner
Provide an option that holds off queueing indefinitely while the lock
owner is preempted. This could reduce queueing latencies for very
overcommitted vcpu situations.
This is disabled by default.
Signed-off-by: Nicholas Piggin <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions