diff options
author | Steven Rostedt <srostedt@redhat.com> | 2009-03-10 12:04:02 -0400 |
---|---|---|
committer | Steven Rostedt <srostedt@redhat.com> | 2009-03-10 12:04:02 -0400 |
commit | 2314c4ae1461c9e8b26cf8b9a851f280bc5769e1 (patch) | |
tree | c6f55179012c6997f77fa523f542efdfd1104c24 /kernel/trace/trace_events.c | |
parent | 40e26815fafd3b8c4aced17b1f22e68ef33eb8db (diff) |
tracing: add back the available_events file
The event directory files type and available_types were no longer
needed with the new TRACE_EVENT_FORMAT macros, they were deleted.
But by accident the available_events file was also removed.
This patch brings it back.
Reported-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Diffstat (limited to 'kernel/trace/trace_events.c')
-rw-r--r-- | kernel/trace/trace_events.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 85ec10fbb38d..769dfd00fc85 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c | |||
@@ -428,6 +428,13 @@ static const struct seq_operations show_set_event_seq_ops = { | |||
428 | .stop = t_stop, | 428 | .stop = t_stop, |
429 | }; | 429 | }; |
430 | 430 | ||
431 | static const struct file_operations ftrace_avail_fops = { | ||
432 | .open = ftrace_event_seq_open, | ||
433 | .read = seq_read, | ||
434 | .llseek = seq_lseek, | ||
435 | .release = seq_release, | ||
436 | }; | ||
437 | |||
431 | static const struct file_operations ftrace_set_event_fops = { | 438 | static const struct file_operations ftrace_set_event_fops = { |
432 | .open = ftrace_event_seq_open, | 439 | .open = ftrace_event_seq_open, |
433 | .read = seq_read, | 440 | .read = seq_read, |
@@ -569,6 +576,13 @@ static __init int event_trace_init(void) | |||
569 | if (!d_tracer) | 576 | if (!d_tracer) |
570 | return 0; | 577 | return 0; |
571 | 578 | ||
579 | entry = debugfs_create_file("available_events", 0444, d_tracer, | ||
580 | (void *)&show_event_seq_ops, | ||
581 | &ftrace_avail_fops); | ||
582 | if (!entry) | ||
583 | pr_warning("Could not create debugfs " | ||
584 | "'available_events' entry\n"); | ||
585 | |||
572 | entry = debugfs_create_file("set_event", 0644, d_tracer, | 586 | entry = debugfs_create_file("set_event", 0644, d_tracer, |
573 | (void *)&show_set_event_seq_ops, | 587 | (void *)&show_set_event_seq_ops, |
574 | &ftrace_set_event_fops); | 588 | &ftrace_set_event_fops); |