From: Geyslan G. Bem Date: Sat, 19 Oct 2013 00:15:54 +0000 (-0300) Subject: tracing: Add helper function tracing_is_disabled() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2e86421debc2cf4d1513c9b73fcd34c5ce431ae3;p=linux-beck.git 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 Signed-off-by: Steven Rostedt --- 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,