linux-kernel - [PATCH 18/18] perf data ctf: Generate fork and exit events to CTF output

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Message-Id: <1467061300-5170-19-git-send-email-acme@kernel.org>
Date:	Mon, 27 Jun 2016 18:01:40 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Wang Nan <wangnan0@...wei.com>,
	Zefan Li <lizefan@...wei.com>, pi3orama@....com,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 18/18] perf data ctf: Generate fork and exit events to CTF output

From: Wang Nan <wangnan0@...wei.com>

If 'all' is selected, convert fork and exit events to output CTF stream.

Signed-off-by: Wang Nan <wangnan0@...wei.com>
Acked-by: Jiri Olsa <jolsa@...nel.org>
Cc: Zefan Li <lizefan@...wei.com>
Cc: pi3orama@....com
Link: http://lkml.kernel.org/r/1466767332-114472-8-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/data-convert-bt.c | 44 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
index 5dd62ba07438..4f979bb27b6c 100644
--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -70,6 +70,8 @@ struct ctf_writer {
 		struct bt_ctf_field_type *array[6];
 	} data;
 	struct bt_ctf_event_class	*comm_class;
+	struct bt_ctf_event_class	*exit_class;
+	struct bt_ctf_event_class	*fork_class;
 };
 
 struct convert {
@@ -812,6 +814,21 @@ __FUNC_PROCESS_NON_SAMPLE(comm,
 	__NON_SAMPLE_SET_FIELD(comm, u32, tid);
 	__NON_SAMPLE_SET_FIELD(comm, string, comm);
 )
+__FUNC_PROCESS_NON_SAMPLE(fork,
+	__NON_SAMPLE_SET_FIELD(fork, u32, pid);
+	__NON_SAMPLE_SET_FIELD(fork, u32, ppid);
+	__NON_SAMPLE_SET_FIELD(fork, u32, tid);
+	__NON_SAMPLE_SET_FIELD(fork, u32, ptid);
+	__NON_SAMPLE_SET_FIELD(fork, u64, time);
+)
+
+__FUNC_PROCESS_NON_SAMPLE(exit,
+	__NON_SAMPLE_SET_FIELD(fork, u32, pid);
+	__NON_SAMPLE_SET_FIELD(fork, u32, ppid);
+	__NON_SAMPLE_SET_FIELD(fork, u32, tid);
+	__NON_SAMPLE_SET_FIELD(fork, u32, ptid);
+	__NON_SAMPLE_SET_FIELD(fork, u64, time);
+)
 #undef __NON_SAMPLE_SET_FIELD
 #undef __FUNC_PROCESS_NON_SAMPLE
 
@@ -1127,6 +1144,22 @@ __FUNC_ADD_NON_SAMPLE_EVENT_CLASS(comm,
 	__NON_SAMPLE_ADD_FIELD(string, comm);
 )
 
+__FUNC_ADD_NON_SAMPLE_EVENT_CLASS(fork,
+	__NON_SAMPLE_ADD_FIELD(u32, pid);
+	__NON_SAMPLE_ADD_FIELD(u32, ppid);
+	__NON_SAMPLE_ADD_FIELD(u32, tid);
+	__NON_SAMPLE_ADD_FIELD(u32, ptid);
+	__NON_SAMPLE_ADD_FIELD(u64, time);
+)
+
+__FUNC_ADD_NON_SAMPLE_EVENT_CLASS(exit,
+	__NON_SAMPLE_ADD_FIELD(u32, pid);
+	__NON_SAMPLE_ADD_FIELD(u32, ppid);
+	__NON_SAMPLE_ADD_FIELD(u32, tid);
+	__NON_SAMPLE_ADD_FIELD(u32, ptid);
+	__NON_SAMPLE_ADD_FIELD(u64, time);
+)
+
 #undef __NON_SAMPLE_ADD_FIELD
 #undef __FUNC_ADD_NON_SAMPLE_EVENT_CLASS
 
@@ -1138,6 +1171,12 @@ static int setup_non_sample_events(struct ctf_writer *cw,
 	ret = add_comm_event(cw);
 	if (ret)
 		return ret;
+	ret = add_exit_event(cw);
+	if (ret)
+		return ret;
+	ret = add_fork_event(cw);
+	if (ret)
+		return ret;
 	return 0;
 }
 
@@ -1436,8 +1475,11 @@ int bt_convert__perf2ctf(const char *input, const char *path,
 	struct ctf_writer *cw = &c.writer;
 	int err = -1;
 
-	if (opts->all)
+	if (opts->all) {
 		c.tool.comm = process_comm_event;
+		c.tool.exit = process_exit_event;
+		c.tool.fork = process_fork_event;
+	}
 
 	perf_config(convert__config, &c);
 
-- 
2.7.4