| From | David Carrillo-Cisneros <> | Subject | [PATCH v3 33/46] perf/x86/intel/cmt: use PERF_EV_CAP_READ_{,CPU_}PKG flags in Intel cmt | Date | Sat, 29 Oct 2016 17:38:30 -0700 |
| |
Use new flags in CMT pmu.
Signed-off-by: David Carrillo-Cisneros <davidcc@google.com> --- arch/x86/events/intel/cmt.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/arch/x86/events/intel/cmt.c b/arch/x86/events/intel/cmt.c index 275d128..614b2f4 100644 --- a/arch/x86/events/intel/cmt.c +++ b/arch/x86/events/intel/cmt.c @@ -1733,6 +1733,15 @@ static int intel_cmt_event_init(struct perf_event *event) INIT_LIST_HEAD(&event->hw.cmt_list); + /* + * Task events can be read in any CPU in any package. CPU events + * only in CPU's package. Both can read even if inactive. + */ + if (event->cpu < 0) + event->event_caps |= PERF_EV_CAP_READ_ANY_PKG; + else + event->event_caps |= PERF_EV_CAP_READ_ANY_CPU_PKG; + mutex_lock(&cmt_mutex); err = mon_group_setup_event(event); -- 2.8.0.rc3.226.g39d4020
|