summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--kernel/trace/trace.h7
-rw-r--r--kernel/trace/trace_events_trigger.c3
2 files changed, 9 insertions, 1 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index f1868677f856..8c6aefbb24d2 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -1292,6 +1292,12 @@ struct event_trigger_ops {
* itself logs to the trace buffer, this flag should be set,
* otherwise it can be left unspecified.
*
+ * @needs_rec: A flag that says whether or not this command needs
+ * access to the trace record in order to perform its function,
+ * regardless of whether or not it has a filter associated with
+ * it (filters make a trigger require access to the trace record
+ * but are not always present).
+ *
* All the methods below, except for @set_filter(), must be
* implemented.
*
@@ -1332,6 +1338,7 @@ struct event_command {
char *name;
enum event_trigger_type trigger_type;
bool post_trigger;
+ bool needs_rec;
int (*func)(struct event_command *cmd_ops,
struct trace_event_file *file,
char *glob, char *cmd, char *params);
diff --git a/kernel/trace/trace_events_trigger.c b/kernel/trace/trace_events_trigger.c
index e4d8b3763175..a11bb4780f82 100644
--- a/kernel/trace/trace_events_trigger.c
+++ b/kernel/trace/trace_events_trigger.c
@@ -493,7 +493,8 @@ void update_cond_flag(struct trace_event_file *file)
bool set_cond = false;
list_for_each_entry_rcu(data, &file->triggers, list) {
- if (data->filter || data->cmd_ops->post_trigger) {
+ if (data->filter || data->cmd_ops->post_trigger ||
+ data->cmd_ops->needs_rec) {
set_cond = true;
break;
}