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| author | Geyslan G. Bem <geyslan@gmail.com> | 2013-10-19 02:15:54 +0200 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2013-11-06 17:06:00 +0100 |
| commit | 2e86421debc2cf4d1513c9b73fcd34c5ce431ae3 (patch) | |
| tree | d72c2718037c2dc1ea9ddc26b8c9eb98c30efb66 /kernel/trace | |
| parent | tracing: Open tracer when ftrace_dump_on_oops is used (diff) | |
| download | linux-2e86421debc2cf4d1513c9b73fcd34c5ce431ae3.tar.xz linux-2e86421debc2cf4d1513c9b73fcd34c5ce431ae3.zip | |
tracing: Add helper function tracing_is_disabled()
This patch creates the function 'tracing_is_disabled', which
can be used outside of trace.c.
Link: http://lkml.kernel.org/r/1382141754-12155-1-git-send-email-geyslan@gmail.com
Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.c | 5 | ||||
| -rw-r--r-- | kernel/trace/trace.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index eaacd3aab896..2a595cf14f1c 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2987,6 +2987,11 @@ int tracing_open_generic(struct inode *inode, struct file *filp) return 0; } +bool tracing_is_disabled(void) +{ + return (tracing_disabled) ? true: false; +} + /* * Open and update trace_array ref count. * Must have the current trace_array passed to it. diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 9c27cdadd71f..4388e16484f1 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -514,6 +514,7 @@ void tracing_reset_online_cpus(struct trace_buffer *buf); void tracing_reset_current(int cpu); void tracing_reset_all_online_cpus(void); int tracing_open_generic(struct inode *inode, struct file *filp); +bool tracing_is_disabled(void); struct dentry *trace_create_file(const char *name, umode_t mode, struct dentry *parent, |