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From: Song Liu <songliubraving@fb.com>
To: <linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>
Cc: Song Liu <songliubraving@fb.com>, <peterz@infradead.org>,
	<acme@kernel.org>, <ast@kernel.org>, <daniel@iogearbox.net>,
	<kernel-team@fb.com>, <dsahern@gmail.com>
Subject: [PATCH v10 perf, bpf-next 2/9] sync tools/include/uapi/linux/perf_event.h
Date: Wed, 16 Jan 2019 08:29:24 -0800	[thread overview]
Message-ID: <20190116162931.1542429-3-songliubraving@fb.com> (raw)
In-Reply-To: <20190116162931.1542429-1-songliubraving@fb.com>

sync changes for PERF_RECORD_KSYMBOL

Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
---
 tools/include/uapi/linux/perf_event.h | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index 9de8780ac8d9..68c4da0227c5 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -372,7 +372,8 @@ struct perf_event_attr {
 				context_switch :  1, /* context switch data */
 				write_backward :  1, /* Write ring buffer from end to beginning */
 				namespaces     :  1, /* include namespaces data */
-				__reserved_1   : 35;
+				ksymbol        :  1, /* include ksymbol events */
+				__reserved_1   : 34;
 
 	union {
 		__u32		wakeup_events;	  /* wakeup every n events */
@@ -965,9 +966,32 @@ enum perf_event_type {
 	 */
 	PERF_RECORD_NAMESPACES			= 16,
 
+	/*
+	 * Record ksymbol register/unregister events:
+	 *
+	 * struct {
+	 *	struct perf_event_header	header;
+	 *	u64				addr;
+	 *	u32				len;
+	 *	u16				ksym_type;
+	 *	u16				flags;
+	 *	char				name[];
+	 *	struct sample_id		sample_id;
+	 * };
+	 */
+	PERF_RECORD_KSYMBOL			= 17,
+
 	PERF_RECORD_MAX,			/* non-ABI */
 };
 
+enum perf_record_ksymbol_type {
+	PERF_RECORD_KSYMBOL_TYPE_UNKNOWN	= 0,
+	PERF_RECORD_KSYMBOL_TYPE_BPF		= 1,
+	PERF_RECORD_KSYMBOL_TYPE_MAX		/* non-ABI */
+};
+
+#define PERF_RECORD_KSYMBOL_FLAGS_UNREGISTER	(1 << 0)
+
 #define PERF_MAX_STACK_DEPTH		127
 #define PERF_MAX_CONTEXTS_PER_STACK	  8
 
-- 
2.17.1


  parent reply	other threads:[~2019-01-16 16:30 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-16 16:29 [PATCH v10 perf, bpf-next 0/9] reveal invisible bpf programs Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 1/9] perf, bpf: Introduce PERF_RECORD_KSYMBOL Song Liu
2019-01-17 12:48   ` Peter Zijlstra
2019-01-17 12:56   ` Peter Zijlstra
2019-01-17 14:49     ` Song Liu
2019-01-17 14:58       ` Arnaldo Carvalho de Melo
2019-01-17 15:02         ` Song Liu
2019-01-18  8:38         ` Peter Zijlstra
2019-01-18  8:41     ` Peter Zijlstra
2019-01-16 16:29 ` Song Liu [this message]
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 3/9] perf, bpf: introduce PERF_RECORD_BPF_EVENT Song Liu
2019-01-17 13:09   ` Peter Zijlstra
2019-01-17 13:49     ` Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 4/9] sync tools/include/uapi/linux/perf_event.h Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 5/9] perf util: handle PERF_RECORD_KSYMBOL Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 6/9] perf util: handle PERF_RECORD_BPF_EVENT Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 7/9] perf tools: synthesize PERF_RECORD_* for loaded BPF programs Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 8/9] perf top: Synthesize BPF events for pre-existing " Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 9/9] bpf: add module name [bpf] to ksymbols for bpf programs Song Liu
2019-01-17 13:10   ` Peter Zijlstra

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