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Message-ID: <20131004205253.64dc04c9@gandalf.local.home>
Date: Fri, 4 Oct 2013 20:52:53 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Andi Kleen <andi@...stfloor.org>
Cc: x86@...nel.org, linux-kernel@...r.kernel.org, peterz@...radead.org,
Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 4/6] trace: Make UPROBES depend on PERF_EVENTS
On Fri, 4 Oct 2013 14:39:46 -0700
Andi Kleen <andi@...stfloor.org> wrote:
> From: Andi Kleen <ak@...ux.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@...dmis.org
> Signed-off-by: Andi Kleen <ak@...ux.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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