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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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11
kernel/trace/trace.h
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@@ -902,6 +902,15 @@ extern int trace_get_user(struct trace_parser *parser, const char __user *ubuf,
# define BRANCH_FLAGS
#endif
#ifdef CONFIG_FUNCTION_TRACER
# define FUNCTION_FLAGS \
C(FUNCTION, "function-trace"),
# define FUNCTION_DEFAULT_FLAGS TRACE_ITER_FUNCTION
#else
# define FUNCTION_FLAGS
# define FUNCTION_DEFAULT_FLAGS 0UL
#endif
/*
* trace_iterator_flags is an enumeration that defines bit
* positions into trace_flags that controls the output.
@@ -931,7 +940,7 @@ extern int trace_get_user(struct trace_parser *parser, const char __user *ubuf,
C(STOP_ON_FREE, "disable_on_free"), \
C(IRQ_INFO, "irq-info"), \
C(MARKERS, "markers"), \
C(FUNCTION, "function-trace"), \
FUNCTION_FLAGS \
FGRAPH_FLAGS \
BRANCH_FLAGS