diff options
Diffstat (limited to 'kernel/hw_breakpoint.c')
-rw-r--r-- | kernel/hw_breakpoint.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/kernel/hw_breakpoint.c b/kernel/hw_breakpoint.c index e9c5cfa1fd20..6f150095cafe 100644 --- a/kernel/hw_breakpoint.c +++ b/kernel/hw_breakpoint.c | |||
@@ -586,10 +586,35 @@ static int hw_breakpoint_event_init(struct perf_event *bp) | |||
586 | return 0; | 586 | return 0; |
587 | } | 587 | } |
588 | 588 | ||
589 | static int hw_breakpoint_add(struct perf_event *bp, int flags) | ||
590 | { | ||
591 | if (!(flags & PERF_EF_START)) | ||
592 | bp->hw.state = PERF_HES_STOPPED; | ||
593 | |||
594 | return arch_install_hw_breakpoint(bp); | ||
595 | } | ||
596 | |||
597 | static void hw_breakpoint_del(struct perf_event *bp, int flags) | ||
598 | { | ||
599 | arch_uninstall_hw_breakpoint(bp); | ||
600 | } | ||
601 | |||
602 | static void hw_breakpoint_start(struct perf_event *bp, int flags) | ||
603 | { | ||
604 | bp->hw.state = 0; | ||
605 | } | ||
606 | |||
607 | static void hw_breakpoint_stop(struct perf_event *bp, int flags) | ||
608 | { | ||
609 | bp->hw.state = PERF_HES_STOPPED; | ||
610 | } | ||
611 | |||
589 | static struct pmu perf_breakpoint = { | 612 | static struct pmu perf_breakpoint = { |
590 | .event_init = hw_breakpoint_event_init, | 613 | .event_init = hw_breakpoint_event_init, |
591 | .enable = arch_install_hw_breakpoint, | 614 | .add = hw_breakpoint_add, |
592 | .disable = arch_uninstall_hw_breakpoint, | 615 | .del = hw_breakpoint_del, |
616 | .start = hw_breakpoint_start, | ||
617 | .stop = hw_breakpoint_stop, | ||
593 | .read = hw_breakpoint_pmu_read, | 618 | .read = hw_breakpoint_pmu_read, |
594 | }; | 619 | }; |
595 | 620 | ||