diff options
| author | Vince Weaver <[email protected]> | 2014-06-19 14:40:09 -0400 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2014-07-05 11:21:51 +0200 |
| commit | cc56d673a9902aecd1c03bea6479eaff6de6967a (patch) | |
| tree | 71e3ed1830d06cbbca978c60fe6ea5d7d6b40339 | |
| parent | 1c92f88542faa3ae4f970c548b4fe8275a45201b (diff) | |
powerpc, perf: Use common PMU interrupt disabled code
Transition to using the new generic PERF_PMU_CAP_NO_INTERRUPT method for
failing a sampling event when no PMU interrupt is available.
Signed-off-by: Vince Weaver <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1406191435440.27913@vincent-weaver-1.umelst.maine.edu
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Cody P Schafer <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | arch/powerpc/perf/hv-24x7.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/perf/hv-gpci.c | 6 |
2 files changed, 8 insertions, 4 deletions
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index e0766b82e165..66d0f179650f 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -387,8 +387,7 @@ static int h_24x7_event_init(struct perf_event *event) event->attr.exclude_hv || event->attr.exclude_idle || event->attr.exclude_host || - event->attr.exclude_guest || - is_sampling_event(event)) /* no sampling */ + event->attr.exclude_guest) return -EINVAL; /* no branch sampling */ @@ -513,6 +512,9 @@ static int hv_24x7_init(void) if (!hv_page_cache) return -ENOMEM; + /* sampling not supported */ + h_24x7_pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT; + r = perf_pmu_register(&h_24x7_pmu, h_24x7_pmu.name, -1); if (r) return r; diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c index c9d399a2df82..15fc76c93022 100644 --- a/arch/powerpc/perf/hv-gpci.c +++ b/arch/powerpc/perf/hv-gpci.c @@ -210,8 +210,7 @@ static int h_gpci_event_init(struct perf_event *event) event->attr.exclude_hv || event->attr.exclude_idle || event->attr.exclude_host || - event->attr.exclude_guest || - is_sampling_event(event)) /* no sampling */ + event->attr.exclude_guest) return -EINVAL; /* no branch sampling */ @@ -284,6 +283,9 @@ static int hv_gpci_init(void) return -ENODEV; } + /* sampling not supported */ + h_gpci_pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT; + r = perf_pmu_register(&h_gpci_pmu, h_gpci_pmu.name, -1); if (r) return r; |