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From: Marco Elver <elver@google.com>
To: elver@google.com, peterz@infradead.org,
	alexander.shishkin@linux.intel.com, acme@kernel.org,
	mingo@redhat.com, jolsa@redhat.com, mark.rutland@arm.com,
	namhyung@kernel.org, tglx@linutronix.de
Cc: glider@google.com, viro@zeniv.linux.org.uk, arnd@arndb.de,
	christian@brauner.io, dvyukov@google.com, jannh@google.com,
	axboe@kernel.dk, mascasa@google.com, pcc@google.com,
	irogers@google.com, oleg@redhat.com, kasan-dev@googlegroups.com,
	linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, x86@kernel.org,
	linux-kselftest@vger.kernel.org
Subject: [PATCH v4 09/10] tools headers uapi: Sync tools/include/uapi/linux/perf_event.h
Date: Thu,  8 Apr 2021 12:36:04 +0200	[thread overview]
Message-ID: <20210408103605.1676875-10-elver@google.com> (raw)
In-Reply-To: <20210408103605.1676875-1-elver@google.com>

Sync tool's uapi to pick up the changes adding inherit_thread,
remove_on_exec, and sigtrap fields to perf_event_attr.

Signed-off-by: Marco Elver <elver@google.com>
---
v4:
* Update for new perf_event_attr::sig_data.

v3:
* Added to series.
---
 tools/include/uapi/linux/perf_event.h | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index ad15e40d7f5d..31b00e3b69c9 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -311,6 +311,7 @@ enum perf_event_read_format {
 #define PERF_ATTR_SIZE_VER4	104	/* add: sample_regs_intr */
 #define PERF_ATTR_SIZE_VER5	112	/* add: aux_watermark */
 #define PERF_ATTR_SIZE_VER6	120	/* add: aux_sample_size */
+#define PERF_ATTR_SIZE_VER7	128	/* add: sig_data */
 
 /*
  * Hardware event_id to monitor via a performance monitoring event:
@@ -389,7 +390,10 @@ struct perf_event_attr {
 				cgroup         :  1, /* include cgroup events */
 				text_poke      :  1, /* include text poke events */
 				build_id       :  1, /* use build id in mmap2 events */
-				__reserved_1   : 29;
+				inherit_thread :  1, /* children only inherit if cloned with CLONE_THREAD */
+				remove_on_exec :  1, /* event is removed from task on exec */
+				sigtrap        :  1, /* send synchronous SIGTRAP on event */
+				__reserved_1   : 26;
 
 	union {
 		__u32		wakeup_events;	  /* wakeup every n events */
@@ -441,6 +445,12 @@ struct perf_event_attr {
 	__u16	__reserved_2;
 	__u32	aux_sample_size;
 	__u32	__reserved_3;
+
+	/*
+	 * User provided data if sigtrap=1, passed back to user via
+	 * siginfo_t::si_perf, e.g. to permit user to identify the event.
+	 */
+	__u64	sig_data;
 };
 
 /*
-- 
2.31.0.208.g409f899ff0-goog


  parent reply	other threads:[~2021-04-08 10:37 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-08 10:35 [PATCH v4 00/10] Add support for synchronous signals on perf events Marco Elver
2021-04-08 10:35 ` [PATCH v4 01/10] perf: Rework perf_event_exit_event() Marco Elver
2021-04-16 15:01   ` [tip: perf/core] " tip-bot2 for Peter Zijlstra
2021-04-08 10:35 ` [PATCH v4 02/10] perf: Apply PERF_EVENT_IOC_MODIFY_ATTRIBUTES to children Marco Elver
2021-04-16 15:01   ` [tip: perf/core] " tip-bot2 for Marco Elver
2021-04-08 10:35 ` [PATCH v4 03/10] perf: Support only inheriting events if cloned with CLONE_THREAD Marco Elver
2021-04-08 10:35 ` [PATCH v4 04/10] perf: Add support for event removal on exec Marco Elver
2021-04-16 15:01   ` [tip: perf/core] " tip-bot2 for Marco Elver
2021-04-08 10:36 ` [PATCH v4 05/10] signal: Introduce TRAP_PERF si_code and si_perf to siginfo Marco Elver
2021-04-16 15:01   ` [tip: perf/core] " tip-bot2 for Marco Elver
     [not found]   ` <CGME20210420212618eucas1p102b427d1af9c682217dfe093f3eac3e8@eucas1p1.samsung.com>
2021-04-20 21:26     ` [PATCH v4 05/10] " Marek Szyprowski
2021-04-20 22:42       ` Marco Elver
2021-04-21  6:21         ` Marek Szyprowski
2021-04-21  7:35           ` Marek Szyprowski
2021-04-21  8:11             ` Marco Elver
2021-04-21  9:35               ` Marek Szyprowski
2021-04-21 10:57                 ` Marek Szyprowski
2021-04-21 11:03                   ` Marco Elver
2021-04-21 13:19                     ` Marek Szyprowski
2021-04-21 15:11                       ` Marco Elver
2021-04-21 15:11                         ` Marco Elver
2021-04-21 16:27                         ` Marco Elver
2021-04-21 16:27                           ` Marco Elver
2021-04-21 18:23                           ` Marco Elver
2021-04-21 18:23                             ` Marco Elver
2021-04-22  6:12                             ` Marek Szyprowski
2021-04-22  6:12                               ` Marek Szyprowski
2021-04-22  6:47                               ` Marco Elver
2021-04-22  6:47                                 ` Marco Elver
2021-04-22  8:16                                 ` Jon Hunter
2021-04-22  8:16                                   ` Jon Hunter
2021-04-26  7:35                                 ` Alexander Egorenkov
2021-04-26  7:35                                   ` Alexander Egorenkov
2021-04-21 15:07   ` Jon Hunter
2021-04-08 10:36 ` [PATCH v4 06/10] perf: Add support for SIGTRAP on perf events Marco Elver
2021-04-08 10:36 ` [PATCH v4 07/10] selftests/perf_events: Add kselftest for process-wide sigtrap handling Marco Elver
2021-04-16 15:01   ` [tip: perf/core] " tip-bot2 for Marco Elver
2021-04-08 10:36 ` [PATCH v4 08/10] selftests/perf_events: Add kselftest for remove_on_exec Marco Elver
2021-04-16 15:01   ` [tip: perf/core] " tip-bot2 for Marco Elver
2021-04-08 10:36 ` Marco Elver [this message]
2021-04-08 10:36 ` [PATCH v4 10/10] perf test: Add basic stress test for sigtrap handling Marco Elver
2021-04-14  8:37 ` [PATCH v4 00/10] Add support for synchronous signals on perf events Peter Zijlstra

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