diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index eaacd3aab8960383da87705bff82ee3edaabeda8..2a595cf14f1c3ecbb86ee766ca5536db23bdf02e 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 9c27cdadd71faa55edec74c7469e77c1b29b5134..4388e16484f1028ce42a9d3ea902205983c76434 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,