---

yaml
---
r: 146179
b: refs/heads/master
c: b11c53e
h: refs/heads/master
i:
  146177: 40ec52a
  146175: 16d1fe1
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 29fcefba8a2f0fea11e2b721fe174a1832801284
+refs/heads/master: b11c53e12f94a46b50bccc7a1a953d7ca1d54a31

trunk/kernel/trace/Kconfig

@@ -49,6 +49,11 @@ config FTRACE_NMI_ENTER
        default y
 
 config EVENT_TRACING
+	select CONTEXT_SWITCH_TRACER
+	bool
+
+config CONTEXT_SWITCH_TRACER
+	select MARKERS
 	bool
 
 config TRACING
@@ -176,10 +181,10 @@ config SCHED_TRACER
 	  This tracer tracks the latency of the highest priority task
 	  to be scheduled in, starting from the point it has woken up.
 
-config CONTEXT_SWITCH_TRACER
+config ENABLE_CONTEXT_SWITCH_TRACER
 	bool "Trace process context switches"
 	select TRACING
-	select MARKERS
+	select CONTEXT_SWITCH_TRACER
 	help
 	  This tracer gets called from the context switch and records
 	  all switching of tasks.

trunk/kernel/trace/trace_events.c

@@ -85,6 +85,7 @@ static void ftrace_clear_events(void)
 
 		if (call->enabled) {
 			call->enabled = 0;
+			tracing_stop_cmdline_record();
 			call->unregfunc();
 		}
 	}
@@ -99,12 +100,14 @@ static void ftrace_event_enable_disable(struct ftrace_event_call *call,
 	case 0:
 		if (call->enabled) {
 			call->enabled = 0;
+			tracing_stop_cmdline_record();
 			call->unregfunc();
 		}
 		break;
 	case 1:
 		if (!call->enabled) {
 			call->enabled = 1;
+			tracing_start_cmdline_record();
 			call->regfunc();
 		}
 		break;
@@ -1058,6 +1061,7 @@ static void trace_module_remove_events(struct module *mod)
 			found = true;
 			if (call->enabled) {
 				call->enabled = 0;
+				tracing_stop_cmdline_record();
 				call->unregfunc();
 			}
 			if (call->event)
@@ -1262,11 +1266,13 @@ static __init void event_trace_self_tests(void)
 		}
 
 		call->enabled = 1;
+		tracing_start_cmdline_record();
 		call->regfunc();
 
 		event_test_stuff();
 
 		call->unregfunc();
+		tracing_stop_cmdline_record();
 		call->enabled = 0;
 
 		pr_cont("OK\n");