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| author | Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2015-09-29 17:19:35 +0300 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2015-09-29 20:23:59 +0300 |
| commit | 4ee4301c4bab22c84df20ce694cc6932dd812be5 (patch) | |
| tree | f28377d9eff9af7418eb3bdbedbdafeaf7e865f2 | |
| parent | 729358da95a1b3850ef892e9384f58932da1dc69 (diff) | |
| download | linux-4ee4301c4bab22c84df20ce694cc6932dd812be5.tar.xz | |
tracing: Only create branch tracer options when compiled in
When the branch tracer is not compiled in, do not create the option files
associated to it.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| -rw-r--r-- | kernel/trace/trace.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 33cd09799ceb..3f1cc45b7007 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -895,6 +895,13 @@ extern int trace_get_user(struct trace_parser *parser, const char __user *ubuf, # define FUNCTION_GRAPH_DEFAULT_FLAGS 0UL #endif +#ifdef CONFIG_BRANCH_TRACER +# define BRANCH_FLAGS \ + C(BRANCH, "branch"), +#else +# define BRANCH_FLAGS +#endif + /* * trace_iterator_flags is an enumeration that defines bit * positions into trace_flags that controls the output. @@ -913,7 +920,6 @@ extern int trace_get_user(struct trace_parser *parser, const char __user *ubuf, C(BLOCK, "block"), \ C(STACKTRACE, "stacktrace"), \ C(PRINTK, "trace_printk"), \ - C(BRANCH, "branch"), \ C(ANNOTATE, "annotate"), \ C(USERSTACKTRACE, "userstacktrace"), \ C(SYM_USEROBJ, "sym-userobj"), \ @@ -926,7 +932,8 @@ extern int trace_get_user(struct trace_parser *parser, const char __user *ubuf, C(IRQ_INFO, "irq-info"), \ C(MARKERS, "markers"), \ C(FUNCTION, "function-trace"), \ - FGRAPH_FLAGS + FGRAPH_FLAGS \ + BRANCH_FLAGS /* * By defining C, we can make TRACE_FLAGS a list of bit names |