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SubjectRe: [PATCH 4/6] trace: Make UPROBES depend on PERF_EVENTS
On Fri,  4 Oct 2013 14:39:46 -0700
Andi Kleen <andi@firstfloor.org> wrote:

> From: Andi Kleen <ak@linux.intel.com>
>
> UPROBES need the perf events code, so add a dependency
> from PERF_EVENTS to UPROBES.

Can you please be a bit more specific on what uprobes requires of perf?
That is, what part of the perf events code is needed, and why?

-- Steve

>
> Cc: rostedt@goodmis.org
> Signed-off-by: Andi Kleen <ak@linux.intel.com>
> ---
> kernel/trace/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
> index 015f85a..8639819 100644
> --- a/kernel/trace/Kconfig
> +++ b/kernel/trace/Kconfig
> @@ -424,6 +424,7 @@ config UPROBE_EVENT
> bool "Enable uprobes-based dynamic events"
> depends on ARCH_SUPPORTS_UPROBES
> depends on MMU
> + depends on PERF_EVENTS
> select UPROBES
> select PROBE_EVENTS
> select TRACING



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