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Subject[PATCH 6/6] perf ctf: Generate fork and exit events to CTF output
Date
If non_sample is selected, convert fork and exit events to output CTF stream.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.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 bc6d42b..2c972fd 100644
--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -69,6 +69,8 @@ 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 {
@@ -808,6 +810,21 @@ __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

@@ -1123,6 +1140,22 @@ __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

@@ -1134,6 +1167,12 @@ 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;
}

@@ -1432,8 +1471,11 @@ int bt_convert__perf2ctf(const char *input, const char *path,
struct ctf_writer *cw = &c.writer;
int err = -1;

- if (opts->non_sample)
+ if (opts->non_sample) {
c.tool.comm = process_comm_event;
+ c.tool.exit = process_exit_event;
+ c.tool.fork = process_fork_event;
+ }

perf_config(convert__config, &c);

--
1.8.3.4
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