diff options
| author | Steven Rostedt <srostedt@redhat.com> | 2010-06-08 11:22:06 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2010-06-28 21:13:14 -0400 |
| commit | a1d0ce8213e9ddf4046ef5ba95c55762d075f541 (patch) | |
| tree | c72fb18588de555c8fa0c61452ae14ffe37dbf8a /include/linux/ftrace_event.h | |
| parent | d62f85d1e22e537192ce494c89540e1ac0d8bfc7 (diff) | |
| download | lwn-a1d0ce8213e9ddf4046ef5ba95c55762d075f541.tar.gz lwn-a1d0ce8213e9ddf4046ef5ba95c55762d075f541.zip | |
tracing: Use class->reg() for all registering of events
Because kprobes and syscalls need special processing to register
events, the class->reg() method was created to handle the differences.
But instead of creating a default ->reg for perf and ftrace events,
the code was scattered with:
if (class->reg)
class->reg();
else
default_reg();
This is messy and can also lead to bugs.
This patch cleans up this code and creates a default reg() entry for
the events allowing for the code to directly call the class->reg()
without the condition.
Reported-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'include/linux/ftrace_event.h')
| -rw-r--r-- | include/linux/ftrace_event.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 0af31cd335d6..01df7ca4ead7 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -146,6 +146,9 @@ struct ftrace_event_class { int (*raw_init)(struct ftrace_event_call *); }; +extern int ftrace_event_reg(struct ftrace_event_call *event, + enum trace_reg type); + enum { TRACE_EVENT_FL_ENABLED_BIT, TRACE_EVENT_FL_FILTERED_BIT, |