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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-04-28 14:41:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-04-28 14:41:53 -0700 |
| commit | 7c339778f908875772c17f2e04ed731aac772881 (patch) | |
| tree | 82ee24dc1b461f580a1549f4c193977df3ed0320 /kernel | |
| parent | 2aff7c706c7483f4895ca250c92c1d71e45b6e82 (diff) | |
| parent | 743767d6f6b8f28228be181fe369657f7ecd1eb2 (diff) | |
| download | lwn-7c339778f908875772c17f2e04ed731aac772881.tar.gz lwn-7c339778f908875772c17f2e04ed731aac772881.zip | |
Merge tag 'perf-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
- Add Intel Granite Rapids support
- Add uncore events for Intel SPR IMC PMU
- Fix perf IRQ throttling bug
* tag 'perf-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/uncore: Add events for Intel SPR IMC PMU
perf/core: Fix hardlockup failure caused by perf throttle
perf/x86/cstate: Add Granite Rapids support
perf/x86/msr: Add Granite Rapids
perf/x86/intel: Add Granite Rapids
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/events/core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 435815d3be3f..68baa8194d9f 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -9433,8 +9433,8 @@ __perf_event_account_interrupt(struct perf_event *event, int throttle) hwc->interrupts = 1; } else { hwc->interrupts++; - if (unlikely(throttle - && hwc->interrupts >= max_samples_per_tick)) { + if (unlikely(throttle && + hwc->interrupts > max_samples_per_tick)) { __this_cpu_inc(perf_throttled_count); tick_dep_set_cpu(smp_processor_id(), TICK_DEP_BIT_PERF_EVENTS); hwc->interrupts = MAX_INTERRUPTS; |