tracing: Only create function graph options when it is compiled in
Do not create fuction graph tracer options when function graph tracer is not
even compiled in.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index d164845..33cd097 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -880,6 +880,22 @@
size_t cnt, loff_t *ppos);
/*
+ * Only create function graph options if function graph is configured.
+ */
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+# define FGRAPH_FLAGS \
+ C(SLEEP_TIME, "sleep-time"), \
+ C(GRAPH_TIME, "graph-time"), \
+ C(DISPLAY_GRAPH, "display-graph"),
+/* Initially set for trace_flags */
+# define FUNCTION_GRAPH_DEFAULT_FLAGS \
+ (TRACE_ITER_SLEEP_TIME | TRACE_ITER_GRAPH_TIME)
+#else
+# define FGRAPH_FLAGS
+# define FUNCTION_GRAPH_DEFAULT_FLAGS 0UL
+#endif
+
+/*
* trace_iterator_flags is an enumeration that defines bit
* positions into trace_flags that controls the output.
*
@@ -904,15 +920,13 @@
C(PRINTK_MSGONLY, "printk-msg-only"), \
C(CONTEXT_INFO, "context-info"), /* Print pid/cpu/time */ \
C(LATENCY_FMT, "latency-format"), \
- C(SLEEP_TIME, "sleep-time"), \
- C(GRAPH_TIME, "graph-time"), \
C(RECORD_CMD, "record-cmd"), \
C(OVERWRITE, "overwrite"), \
C(STOP_ON_FREE, "disable_on_free"), \
C(IRQ_INFO, "irq-info"), \
C(MARKERS, "markers"), \
C(FUNCTION, "function-trace"), \
- C(DISPLAY_GRAPH, "display-graph"),
+ FGRAPH_FLAGS
/*
* By defining C, we can make TRACE_FLAGS a list of bit names