Re: [PATCH] trace: export trace_profile_buf symbols

From: Steven Rostedt
Date: Sun Sep 20 2009 - 07:24:03 EST


On Sun, 2009-09-20 at 12:34 +0200, Peter Zijlstra wrote:
> ERROR: "trace_profile_buf_nmi" [fs/jbd2/jbd2.ko] undefined!
> ERROR: "trace_profile_buf" [fs/jbd2/jbd2.ko] undefined!
> ERROR: "trace_profile_buf_nmi" [fs/ext4/ext4.ko] undefined!
> ERROR: "trace_profile_buf" [fs/ext4/ext4.ko] undefined!
> ERROR: "trace_profile_buf_nmi" [arch/x86/kvm/kvm.ko] undefined!
> ERROR: "trace_profile_buf" [arch/x86/kvm/kvm.ko] undefined!
>

Peter, I thought you never use modules.

> Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>

Acked-by: Steven Rostedt <rostedt@xxxxxxxxxxx>

-- Steve

> ---
> kernel/trace/trace_event_profile.c | 3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/kernel/trace/trace_event_profile.c b/kernel/trace/trace_event_profile.c
> index 3aaa77c..f65e966 100644
> --- a/kernel/trace/trace_event_profile.c
> +++ b/kernel/trace/trace_event_profile.c
> @@ -17,6 +17,9 @@ typedef struct {char buf[FTRACE_MAX_PROFILE_SIZE];} profile_buf_t;
> char *trace_profile_buf;
> char *trace_profile_buf_nmi;
>
> +EXPORT_SYMBOL_GPL(trace_profile_buf);
> +EXPORT_SYMBOL_GPL(trace_profile_buf_nmi);
> +
> /* Count the events in use (per event id, not per instance) */
> static int total_profile_count;
>
>
>

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