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authorMasami Hiramatsu2019-05-31 17:17:37 +0200
committerSteven Rostedt (VMware)2019-07-16 21:14:47 +0200
commit747774d6b018ca02493fd3f321624dfce749da61 (patch)
treee0420b7753ec8668a09d7744daab7f4e53ae5122 /kernel/trace/trace_probe.h
parenttracing/probe: Add trace_event_file access APIs for trace_probe (diff)
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tracing/probe: Add trace flag access APIs for trace_probe
Add trace_probe_test/set/clear_flag() functions for accessing trace_probe.flag field. This flags field should not be accessed directly. Link: http://lkml.kernel.org/r/155931585683.28323.314290023236905988.stgit@devnote2 Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_probe.h')
-rw-r--r--kernel/trace/trace_probe.h22
1 files changed, 20 insertions, 2 deletions
diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h
index ab02007e131d..87d48d850b63 100644
--- a/kernel/trace/trace_probe.h
+++ b/kernel/trace/trace_probe.h
@@ -238,14 +238,32 @@ struct event_file_link {
struct list_head list;
};
+static inline bool trace_probe_test_flag(struct trace_probe *tp,
+ unsigned int flag)
+{
+ return !!(tp->flags & flag);
+}
+
+static inline void trace_probe_set_flag(struct trace_probe *tp,
+ unsigned int flag)
+{
+ tp->flags |= flag;
+}
+
+static inline void trace_probe_clear_flag(struct trace_probe *tp,
+ unsigned int flag)
+{
+ tp->flags &= ~flag;
+}
+
static inline bool trace_probe_is_enabled(struct trace_probe *tp)
{
- return !!(tp->flags & (TP_FLAG_TRACE | TP_FLAG_PROFILE));
+ return trace_probe_test_flag(tp, TP_FLAG_TRACE | TP_FLAG_PROFILE);
}
static inline bool trace_probe_is_registered(struct trace_probe *tp)
{
- return !!(tp->flags & TP_FLAG_REGISTERED);
+ return trace_probe_test_flag(tp, TP_FLAG_REGISTERED);
}
static inline int trace_probe_unregister_event_call(struct trace_probe *tp)