This patch creates the function 'tracing_is_disabled', which
can be used outside trace.c.
Signed-off-by: Geyslan G. Bem <geys...@gmail.com>
---
kernel/trace/trace.c | 5 +++++
kernel/trace/trace.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 7974ba2..a120a73 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2964,6 +2964,11 @@ int tracing_open_generic(struct inode *inode, struct
file *filp)
return 0;
}
+inline 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 10c86fb..5deaa3b 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,
--
1.8.4
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