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tracing: Do not create function tracer options when not compiled in

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When the function tracer is not compiled in, do not create the option files
for it.

Fix up both the sched_wakeup and irqsoff tracers to handle the change.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Red Hat)
2015-09-29 10:24:56 -04:00
committed by Steven Rostedt
parent 4ee4301c4b
commit 8179e8a15b
4 changed files with 63 additions and 22 deletions
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4
kernel/trace/trace.c
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@@ -490,11 +490,11 @@ static inline void ftrace_trace_stack(struct ring_buffer *buffer,
/* trace_flags holds trace_options default values */
unsigned long trace_flags =
FUNCTION_GRAPH_DEFAULT_FLAGS |
FUNCTION_DEFAULT_FLAGS | FUNCTION_GRAPH_DEFAULT_FLAGS |
TRACE_ITER_PRINT_PARENT | TRACE_ITER_PRINTK |
TRACE_ITER_ANNOTATE | TRACE_ITER_CONTEXT_INFO |
TRACE_ITER_RECORD_CMD | TRACE_ITER_OVERWRITE |
TRACE_ITER_IRQ_INFO | TRACE_ITER_MARKERS | TRACE_ITER_FUNCTION
TRACE_ITER_IRQ_INFO | TRACE_ITER_MARKERS
;
static void tracer_tracing_on(struct trace_array *tr)