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

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Message-Id: <1542363853-13849-2-git-send-email-andrew.murray@arm.com>
Date:   Fri, 16 Nov 2018 10:24:04 +0000
From:   Andrew Murray <andrew.murray@....com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Will Deacon <will.deacon@....com>,
        Mark Rutland <mark.rutland@....com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>, x86@...nel.org
Cc:     linux-alpha@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 01/10] perf/core: Add macro to test for event exclusion flags

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@....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