[PATCH 01/10] perf/core: Add macro to test for event exclusion flags

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>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Will Deacon <will.deacon@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Borislav Petkov <bp@alien8.de>,
	x86@kernel.org
Cc: linux-alpha@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 01/10] perf/core: Add macro to test for event exclusion flags
Date: Fri, 16 Nov 2018 10:24:04 +0000	[thread overview]
Message-ID: <1542363853-13849-2-git-send-email-andrew.murray@arm.com> (raw)
In-Reply-To: <1542363853-13849-1-git-send-email-andrew.murray@arm.com>

Add a macro 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 53c500f..89ee7fa 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_exclude_flags(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

