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From:   Andrew Murray <andrew.murray@arm.com>
To:     Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
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Cc:     x86@kernel.org, linuxppc-dev@lists.ozlabs.org,
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Subject: [PATCH v4 02/13] perf/core: add function to test for event exclusion flags
Date:   Mon,  7 Jan 2019 16:27:19 +0000
Message-Id: <1546878450-20341-3-git-send-email-andrew.murray@arm.com>
In-Reply-To: <1546878450-20341-1-git-send-email-andrew.murray@arm.com>
References: <1546878450-20341-1-git-send-email-andrew.murray@arm.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Add a function that tests if any of the perf event exclusion flags
are set on a given event.

Signed-off-by: Andrew Murray <andrew.murray@arm.com>
---
 include/linux/perf_event.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 1d5c551..54a78d2 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1004,6 +1004,15 @@ perf_event__output_id_sample(struct perf_event *event,
 extern void
 perf_log_lost_samples(struct perf_event *event, u64 lost);
 
+static inline bool event_has_any_exclude_flag(struct perf_event *event)
+{
+	struct perf_event_attr *attr = &event->attr;
+
+	return attr->exclude_idle || attr->exclude_user ||
+	       attr->exclude_kernel || attr->exclude_hv ||
+	       attr->exclude_guest || attr->exclude_host;
+}
+
 static inline bool is_sampling_event(struct perf_event *event)
 {
 	return event->attr.sample_period != 0;
-- 
2.7.4