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From: Song Liu <songliubraving@fb.com>
To: <peterz@infradead.org>, <rostedt@goodmis.org>, <mingo@redhat.com>,
	<davem@davemloft.net>, <netdev@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <daniel@iogearbox.net>
Cc: <kernel-team@fb.com>, Song Liu <songliubraving@fb.com>
Subject: [PATCH v4 2/6] perf: copy new perf_event.h to tools/include/uapi
Date: Mon, 4 Dec 2017 17:27:25 -0800	[thread overview]
Message-ID: <20171205012729.358860-5-songliubraving@fb.com> (raw)
In-Reply-To: <20171205012729.358860-1-songliubraving@fb.com>

perf_event.h is updated in previous patch, this patch applies same
changes to the tools/ version. This is part is put in a separate
patch in case the two files are back ported separately.

Signed-off-by: Song Liu <songliubraving@fb.com>
Reviewed-by: Yonghong Song <yhs@fb.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
---
 tools/include/uapi/linux/perf_event.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index b9a4953..deffa33 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -291,6 +291,16 @@ enum perf_event_read_format {
 	PERF_FORMAT_MAX = 1U << 4,		/* non-ABI */
 };
 
+/*
+ * Flags in config, used by dynamic PMU kprobe and uprobe
+ *
+ * PERF_PROBE_CONFIG_IS_RETPROBE if set, create kretprobe/uretprobe
+ *                               if not set, create kprobe/uprobe
+ */
+enum perf_probe_config {
+	PERF_PROBE_CONFIG_IS_RETPROBE		= 1U << 0,  /* [k,u]retprobe */
+};
+
 #define PERF_ATTR_SIZE_VER0	64	/* sizeof first published struct */
 #define PERF_ATTR_SIZE_VER1	72	/* add: config2 */
 #define PERF_ATTR_SIZE_VER2	80	/* add: branch_sample_type */
@@ -380,10 +390,14 @@ struct perf_event_attr {
 	__u32			bp_type;
 	union {
 		__u64		bp_addr;
+		__u64		kprobe_func; /* for perf_kprobe */
+		__u64		uprobe_path; /* for perf_uprobe */
 		__u64		config1; /* extension of config */
 	};
 	union {
 		__u64		bp_len;
+		__u64		kprobe_addr; /* when kprobe_func == NULL */
+		__u64		probe_offset; /* for perf_[k,u]probe */
 		__u64		config2; /* extension of config1 */
 	};
 	__u64	branch_sample_type; /* enum perf_branch_sample_type */
-- 
2.9.5

  parent reply	other threads:[~2017-12-05  1:27 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-05  1:27 [PATCH v4 0/6] enable creating [k,u]probe with perf_event_open Song Liu
2017-12-05  1:27 ` [PATCH v4] bcc: Try use new API to create " Song Liu
2017-12-05  1:27 ` [PATCH v4] perf_event_open.2: add type kprobe and uprobe Song Liu
2017-12-05  1:27 ` [PATCH v4 1/6] perf: prepare perf_event.h for new types perf_kprobe and perf_uprobe Song Liu
2017-12-06 10:17   ` Peter Zijlstra
2017-12-05  1:27 ` Song Liu [this message]
2017-12-05  1:27 ` [PATCH v4 3/6] perf: implement pmu perf_kprobe Song Liu
2017-12-05  1:27 ` [PATCH v4 4/6] perf: implement pmu perf_uprobe Song Liu
2017-12-05  1:27 ` [PATCH v4 5/6] bpf: add option for bpf_load.c to use perf_kprobe Song Liu
2017-12-05  1:27 ` [PATCH v4 6/6] bpf: add new test test_many_kprobe Song Liu
2017-12-06 20:51   ` Philippe Ombredanne

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