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| author | Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2014-12-19 12:54:19 -0500 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-12-19 16:26:14 -0500 |
| commit | 87e32497e7120eb6b7e8e95575c49e41fd132ce5 (patch) | |
| tree | dbe89a7b346c4e2db5633fd21c5c84bece223a9f | |
| parent | 99719c857de34c63b8c5812e0a929e9ed50e33cf (diff) | |
| download | trace-cmd-rfc/profile.tar.gz | |
trace-cmd profile: Add function eventrfc/profile
Add a event_data for the function event. This will let users
see the name of the function that was traced.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| -rw-r--r-- | trace-profile.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/trace-profile.c b/trace-profile.c index 2c42f8d2..4fe578fe 100644 --- a/trace-profile.c +++ b/trace-profile.c @@ -700,7 +700,7 @@ void mate_events(struct handle_data *h, struct event_data *start, start->migrate = migrate; } -void fgraph_print(struct trace_seq *s, struct event_hash *event_hash) +void func_print(struct trace_seq *s, struct event_hash *event_hash) { const char *func; @@ -1035,7 +1035,7 @@ void trace_init_profile(struct tracecmd_input *handle) if (fgraph_entry && fgraph_exit) { mate_events(h, fgraph_entry, NULL, "func", fgraph_exit, "func", 1); - fgraph_entry->print_func = fgraph_print; + fgraph_entry->print_func = func_print; } if (syscall_enter && syscall_exit) @@ -1045,6 +1045,13 @@ void trace_init_profile(struct tracecmd_input *handle) if (!events) die("malloc"); + /* Add some other events */ + event_data = add_event(h, "ftrace", "function", EVENT_TYPE_FUNC); + if (event_data) { + event_data->data_field = + pevent_find_field(event_data->event, "ip"); + } + /* Now add any defined event that we haven't processed */ for (i = 0; events[i]; i++) { event_data = find_event_data(h, events[i]->id); @@ -1455,6 +1462,8 @@ static void output_event(struct event_hash *event_hash) if (event_data->print_func) event_data->print_func(&s, event_hash); + else if (event_data->type == EVENT_TYPE_FUNC) + func_print(&s, event_hash); else trace_seq_printf(&s, "%s:%lld", event_data->event->name, |