diff options
| author | Namhyung Kim <[email protected]> | 2014-01-17 17:08:39 +0900 |
|---|---|---|
| committer | Steven Rostedt <[email protected]> | 2014-02-20 12:30:10 -0500 |
| commit | ca3b162021a421b38a9cd7b66555b9b01568dc9d (patch) | |
| tree | 58c8fa7e2826a75d8c578751b31c4fd08d8e8cd4 | |
| parent | 70ed91c6ec7f8bf20369634017d887d48ac979d2 (diff) | |
tracing/uprobes: Support event triggering
Add support for event triggering to uprobes. This is same as kprobes
support added by Tom (plus cleanup by Steven).
Link: http://lkml.kernel.org/r/[email protected]
Reviewed-by: Masami Hiramatsu <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Srikar Dronamraju <[email protected]>
Cc: zhangwei(Jovi) <[email protected]>
Cc: Tom Zanussi <[email protected]>
Signed-off-by: Namhyung Kim <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
| -rw-r--r-- | kernel/trace/trace_uprobe.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 349c6df9e332..01fcb0db75cb 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -776,6 +776,9 @@ static void __uprobe_trace_func(struct trace_uprobe *tu, if (WARN_ON_ONCE(tu->tp.size + dsize > PAGE_SIZE)) return; + if (ftrace_trigger_soft_disabled(ftrace_file)) + return; + esize = SIZEOF_TRACE_ENTRY(is_ret_probe(tu)); size = esize + tu->tp.size + dsize; event = trace_event_buffer_lock_reserve(&buffer, ftrace_file, @@ -795,8 +798,7 @@ static void __uprobe_trace_func(struct trace_uprobe *tu, memcpy(data, ucb->buf, tu->tp.size + dsize); - if (!call_filter_check_discard(call, entry, buffer, event)) - trace_buffer_unlock_commit(buffer, event, 0, 0); + event_trigger_unlock_commit(ftrace_file, buffer, event, entry, 0, 0); } /* uprobe handler */ |