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authorSteven Rostedt <srostedt@redhat.com>2009-04-10 14:53:50 -0400
committerSteven Rostedt <rostedt@goodmis.org>2009-04-14 12:58:03 -0400
commit6d723736e472f7a0cd5b62c84152fceead241328 (patch)
tree8df2f6c47ebdfdeb8979758c877a5abbd9c06aef /include/linux/module.h
parent17c873ec280a03894bc718af817f7f24fa787ae1 (diff)
tracing/events: add support for modules to TRACE_EVENT
Impact: allow modules to add TRACE_EVENTS on load This patch adds the final hooks to allow modules to use the TRACE_EVENT macro. A notifier and a data structure are used to link the TRACE_EVENTs defined in the module to connect them with the ftrace event tracing system. It also adds the necessary automated clean ups to the trace events when a module is removed. Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'include/linux/module.h')
-rw-r--r--include/linux/module.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/module.h b/include/linux/module.h
index 627ac082e2a..6155fa44168 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -337,6 +337,10 @@ struct module
const char **trace_bprintk_fmt_start;
unsigned int num_trace_bprintk_fmt;
#endif
+#ifdef CONFIG_EVENT_TRACING
+ struct ftrace_event_call *trace_events;
+ unsigned int num_trace_events;
+#endif
#ifdef CONFIG_MODULE_UNLOAD
/* What modules depend on me? */