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| author | Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | 2014-03-12 02:32:28 +0100 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-03-12 02:51:40 +0100 |
| commit | 4c11628a16506a8a8e030515f601771df07bba97 (patch) | |
| tree | 4ac89632e7feed9ca4728dc6f2a4d3351b047d11 /kernel/tracepoint.c | |
| parent | ftrace: Fix compilation warning about control_ops_free (diff) | |
| download | linux-4c11628a16506a8a8e030515f601771df07bba97.tar.xz linux-4c11628a16506a8a8e030515f601771df07bba97.zip | |
tracepoints: API doc update to data argument
Describe the @data argument (probe private data).
Link: http://lkml.kernel.org/r/1394587948-27878-1-git-send-email-mathieu.desnoyers@efficios.com
Fixes: 38516ab59fbc "tracing: Let tracepoints have data passed to tracepoint callbacks"
CC: Ingo Molnar <mingo@kernel.org>
CC: Frederic Weisbecker <fweisbec@gmail.com>
CC: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/tracepoint.c')
| -rw-r--r-- | kernel/tracepoint.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c index 0058f33d05c1..a4f629da3011 100644 --- a/kernel/tracepoint.c +++ b/kernel/tracepoint.c @@ -376,6 +376,7 @@ tracepoint_add_probe(const char *name, void *probe, void *data) * tracepoint_probe_register - Connect a probe to a tracepoint * @name: tracepoint name * @probe: probe handler + * @data: probe private data * * Returns 0 if ok, error value on error. * The probe address must at least be aligned on the architecture pointer size. @@ -424,6 +425,7 @@ tracepoint_remove_probe(const char *name, void *probe, void *data) * tracepoint_probe_unregister - Disconnect a probe from a tracepoint * @name: tracepoint name * @probe: probe function pointer + * @data: probe private data * * We do not need to call a synchronize_sched to make sure the probes have * finished running before doing a module unload, because the module unload @@ -464,6 +466,7 @@ static void tracepoint_add_old_probes(void *old) * tracepoint_probe_register_noupdate - register a probe but not connect * @name: tracepoint name * @probe: probe handler + * @data: probe private data * * caller must call tracepoint_probe_update_all() */ @@ -488,6 +491,7 @@ EXPORT_SYMBOL_GPL(tracepoint_probe_register_noupdate); * tracepoint_probe_unregister_noupdate - remove a probe but not disconnect * @name: tracepoint name * @probe: probe function pointer + * @data: probe private data * * caller must call tracepoint_probe_update_all() */ |