linux-kernel - [PATCH 03/26] tools headers uapi: Sync tools/include/uapi/linux/perf

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Message-Id: <20200913210313.1985612-4-jolsa@kernel.org>
Date:   Sun, 13 Sep 2020 23:02:50 +0200
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Ingo Molnar <mingo@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Michael Petlan <mpetlan@...hat.com>,
        Song Liu <songliubraving@...com>,
        "Frank Ch. Eigler" <fche@...hat.com>,
        Ian Rogers <irogers@...gle.com>,
        Stephane Eranian <eranian@...gle.com>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Adrian Hunter <adrian.hunter@...el.com>
Subject: [PATCH 03/26] tools headers uapi: Sync tools/include/uapi/linux/perf_event.h

Sync uapi header with kernel version for mmap3 support.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/include/uapi/linux/perf_event.h | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index 3e5dcdd48a49..84a0cbdab1ef 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -384,7 +384,8 @@ struct perf_event_attr {
 				aux_output     :  1, /* generate AUX records instead of events */
 				cgroup         :  1, /* include cgroup events */
 				text_poke      :  1, /* include text poke events */
-				__reserved_1   : 30;
+				mmap3          :  1, /* include bpf events */
+				__reserved_1   : 29;
 
 	union {
 		__u32		wakeup_events;	  /* wakeup every n events */
@@ -1060,6 +1061,30 @@ enum perf_event_type {
 	 */
 	PERF_RECORD_TEXT_POKE			= 20,
 
+	/*
+	 * The MMAP3 records are an augmented version of MMAP2, they add
+	 * build id value to identify the exact binary behind map
+	 *
+	 * struct {
+	 *	struct perf_event_header	header;
+	 *
+	 *	u32				pid, tid;
+	 *	u64				addr;
+	 *	u64				len;
+	 *	u64				pgoff;
+	 *	u32				maj;
+	 *	u32				min;
+	 *	u64				ino;
+	 *	u64				ino_generation;
+	 *	u32				prot, flags;
+	 *	u32				reserved;
+	 *	u8				buildid[20];
+	 *	char				filename[];
+	 *	struct sample_id		sample_id;
+	 * };
+	 */
+	PERF_RECORD_MMAP3			= 21,
+
 	PERF_RECORD_MAX,			/* non-ABI */
 };
 
-- 
2.26.2