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tracing/probe: Add trace_event_call register API for trace_probe

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Since trace_event_call is a field of trace_probe, these
operations should be done in trace_probe.c. trace_kprobe
and trace_uprobe use new functions to register/unregister
trace_event_call.

Link: http://lkml.kernel.org/r/155931583643.28323.14828411185591538876.stgit@devnote2

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Masami Hiramatsu
2019-06-01 00:17:16 +09:00
committed by Steven Rostedt (VMware)
parent 455b289973
commit 46e5376d40
4 changed files with 28 additions and 36 deletions
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6
kernel/trace/trace_probe.h
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@@ -251,6 +251,12 @@ static inline bool trace_probe_is_registered(struct trace_probe *tp)
int trace_probe_init(struct trace_probe *tp, const char *event,
const char *group);
void trace_probe_cleanup(struct trace_probe *tp);
int trace_probe_register_event_call(struct trace_probe *tp);
static inline int trace_probe_unregister_event_call(struct trace_probe *tp)
{
/* tp->event is unregistered in trace_remove_event_call() */
return trace_remove_event_call(&tp->call);
}
/* Check the name is good for event/group/fields */
static inline bool is_good_name(const char *name)