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Miller" , sparclinux@vger.kernel.org, Michael Ellerman Subject: [PATCH v2 15/20] s390: perf/events: advertise PMU exclusion capability Date: Mon, 26 Nov 2018 11:12:31 +0000 Message-Id: <1543230756-15319-16-git-send-email-andrew.murray@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1543230756-15319-1-git-send-email-andrew.murray@arm.com> References: <1543230756-15319-1-git-send-email-andrew.murray@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181126_061445_759848_25CE2B1D X-CRM114-Status: GOOD ( 16.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, linux-mips@linux-mips.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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 Reviewed-by: Hendrik Brueckner --- arch/s390/kernel/perf_cpum_cf.c | 1 + arch/s390/kernel/perf_cpum_sf.c | 2 ++ 2 files changed, 3 insertions(+) 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,