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-rw-r--r--include/linux/trace_events.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index f85693bbcdc3..429fdfc3baf5 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -328,6 +328,7 @@ enum {
EVENT_FILE_FL_SOFT_DISABLED_BIT,
EVENT_FILE_FL_TRIGGER_MODE_BIT,
EVENT_FILE_FL_TRIGGER_COND_BIT,
+ EVENT_FILE_FL_PID_FILTER_BIT,
};
/*
@@ -341,6 +342,7 @@ enum {
* tracepoint may be enabled)
* TRIGGER_MODE - When set, invoke the triggers associated with the event
* TRIGGER_COND - When set, one or more triggers has an associated filter
+ * PID_FILTER - When set, the event is filtered based on pid
*/
enum {
EVENT_FILE_FL_ENABLED = (1 << EVENT_FILE_FL_ENABLED_BIT),
@@ -351,6 +353,7 @@ enum {
EVENT_FILE_FL_SOFT_DISABLED = (1 << EVENT_FILE_FL_SOFT_DISABLED_BIT),
EVENT_FILE_FL_TRIGGER_MODE = (1 << EVENT_FILE_FL_TRIGGER_MODE_BIT),
EVENT_FILE_FL_TRIGGER_COND = (1 << EVENT_FILE_FL_TRIGGER_COND_BIT),
+ EVENT_FILE_FL_PID_FILTER = (1 << EVENT_FILE_FL_PID_FILTER_BIT),
};
struct trace_event_file {
@@ -429,6 +432,8 @@ extern enum event_trigger_type event_triggers_call(struct trace_event_file *file
extern void event_triggers_post_call(struct trace_event_file *file,
enum event_trigger_type tt);
+bool trace_event_ignore_this_pid(struct trace_event_file *trace_file);
+
/**
* trace_trigger_soft_disabled - do triggers and test if soft disabled
* @file: The file pointer of the event to test
@@ -448,6 +453,8 @@ trace_trigger_soft_disabled(struct trace_event_file *file)
event_triggers_call(file, NULL);
if (eflags & EVENT_FILE_FL_SOFT_DISABLED)
return true;
+ if (eflags & EVENT_FILE_FL_PID_FILTER)
+ return trace_event_ignore_this_pid(file);
}
return false;
}