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tracing: Add helper function tracing_is_disabled()

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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>
This commit is contained in:
Geyslan G. Bem
2013-10-18 21:15:54 -03:00
committed by Steven Rostedt
parent b2f974d6af
commit 2e86421deb
2 changed files with 6 additions and 0 deletions
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kernel/trace/trace.c
+5
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@@ -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.