| Message ID | 1543230756-15319-16-git-send-email-andrew.murray@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | perf/core: Generalise event exclusion checking | expand |
On Mon, Nov 26, 2018 at 11:12:31AM +0000, Andrew Murray wrote: > The s390 cpum_cf and cpum_sf PMUs have the capability to exclude > events based on context. Let's advertise that we support the > PERF_PMU_CAP_EXCLUDE capability to ensure that perf doesn't > prevent us from handling events where any exclusion flags are set. > > Signed-off-by: Andrew Murray <andrew.murray@arm.com> > --- > arch/s390/kernel/perf_cpum_cf.c | 1 + > arch/s390/kernel/perf_cpum_sf.c | 2 ++ > 2 files changed, 3 insertions(+) Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index cc085e2..7b583ed 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -667,6 +667,7 @@ static struct pmu cpumf_pmu = { .start_txn = cpumf_pmu_start_txn, .commit_txn = cpumf_pmu_commit_txn, .cancel_txn = cpumf_pmu_cancel_txn, + .capabilities = PERF_PMU_CAP_EXCLUDE, }; static int cpumf_pmf_setup(unsigned int cpu, int flags) diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c index 5c53e97..25a64aa 100644 --- a/arch/s390/kernel/perf_cpum_sf.c +++ b/arch/s390/kernel/perf_cpum_sf.c @@ -1885,6 +1885,8 @@ static struct pmu cpumf_sampling = { .setup_aux = aux_buffer_setup, .free_aux = aux_buffer_free, + + .capabilities = PERF_PMU_CAP_EXCLUDE, }; static void cpumf_measurement_alert(struct ext_code ext_code,
The s390 cpum_cf and cpum_sf PMUs have the capability to exclude events based on context. Let's advertise that we support the PERF_PMU_CAP_EXCLUDE capability to ensure that perf doesn't prevent us from handling events where any exclusion flags are set. Signed-off-by: Andrew Murray <andrew.murray@arm.com> --- arch/s390/kernel/perf_cpum_cf.c | 1 + arch/s390/kernel/perf_cpum_sf.c | 2 ++ 2 files changed, 3 insertions(+)