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-rw-r--r--include/linux/ftrace_event.h21
1 files changed, 19 insertions, 2 deletions
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 0be02852763..5ac97a42950 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -143,6 +143,16 @@ struct ftrace_event_class {
int (*raw_init)(struct ftrace_event_call *);
};
+enum {
+ TRACE_EVENT_FL_ENABLED_BIT,
+ TRACE_EVENT_FL_FILTERED_BIT,
+};
+
+enum {
+ TRACE_EVENT_FL_ENABLED = (1 << TRACE_EVENT_FL_ENABLED_BIT),
+ TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT),
+};
+
struct ftrace_event_call {
struct list_head list;
struct ftrace_event_class *class;
@@ -154,8 +164,15 @@ struct ftrace_event_call {
void *mod;
void *data;
- int enabled;
- int filter_active;
+ /*
+ * 32 bit flags:
+ * bit 1: enabled
+ * bit 2: filter_active
+ *
+ * Must hold event_mutex to change.
+ */
+ unsigned int flags;
+
int perf_refcount;
};