linux-kernel - [PATCH v1 1/7] perf/core: Make perf_event_aux

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Message-Id: <20241215193436.275278-2-leo.yan@arm.com>
Date: Sun, 15 Dec 2024 19:34:30 +0000
From: Leo Yan <leo.yan@....com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Jiri Olsa <jolsa@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	James Clark <james.clark@...aro.org>,
	"Liang, Kan" <kan.liang@...ux.intel.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Andrii Nakryiko <andrii@...nel.org>,
	Martin KaFai Lau <martin.lau@...ux.dev>,
	Eduard Zingerman <eddyz87@...il.com>,
	Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	John Fastabend <john.fastabend@...il.com>,
	KP Singh <kpsingh@...nel.org>,
	Stanislav Fomichev <sdf@...ichev.me>,
	Hao Luo <haoluo@...gle.com>,
	Matt Bobrowski <mattbobrowski@...gle.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org,
	bpf@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Mike Leach <mike.leach@...aro.org>
Cc: Leo Yan <leo.yan@....com>
Subject: [PATCH v1 1/7] perf/core: Make perf_event_aux_pause() as external function

Expose perf_event_aux_pause() as an external function, this will be used
by eBPF APIs in sequential changes.

Signed-off-by: Leo Yan <leo.yan@....com>
---
 include/linux/perf_event.h | 1 +
 kernel/events/core.c       | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index cb99ec8c9e96..890b7ba4a729 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1162,6 +1162,7 @@ int perf_event_read_local(struct perf_event *event, u64 *value,
 			  u64 *enabled, u64 *running);
 extern u64 perf_event_read_value(struct perf_event *event,
 				 u64 *enabled, u64 *running);
+extern void perf_event_aux_pause(struct perf_event *event, bool pause);
 
 extern struct perf_callchain_entry *perf_callchain(struct perf_event *event, struct pt_regs *regs);
 
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 065f9188b44a..8deb356a915e 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -8032,7 +8032,7 @@ static void __perf_event_aux_pause(struct perf_event *event, bool pause)
 	}
 }
 
-static void perf_event_aux_pause(struct perf_event *event, bool pause)
+void perf_event_aux_pause(struct perf_event *event, bool pause)
 {
 	struct perf_buffer *rb;
 
-- 
2.34.1