linux-kernel - Re: [Updated PATCH 3/3] tracing: Provide trace events interface for uprobes

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Date:	Fri, 13 Apr 2012 21:53:19 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
CC:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Jim Keniston <jkenisto@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux-mm <linux-mm@...ck.org>, Oleg Nesterov <oleg@...hat.com>,
	Andi Kleen <andi@...stfloor.org>,
	Christoph Hellwig <hch@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Anton Arapov <anton@...hat.com>
Subject: Re: [Updated PATCH 3/3] tracing: Provide trace events interface for
 uprobes

On 4/13/2012 4:29 AM, Srikar Dronamraju wrote:
> diff --git a/arch/Kconfig b/arch/Kconfig
> index e5d3778..0f8f968 100644
> --- a/arch/Kconfig
> +++ b/arch/Kconfig
> @@ -78,7 +78,7 @@ config OPTPROBES
>  
>  config UPROBES
>  	bool "Transparent user-space probes (EXPERIMENTAL)"
> -	depends on ARCH_SUPPORTS_UPROBES && PERF_EVENTS
> +	depends on UPROBE_EVENTS && PERF_EVENTS

Is it UPROBE_EVENTS or UPROBE_EVENT?

>  	default n
>  	help
>  	  Uprobes is the user-space counterpart to kprobes: they
> diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
> index ce5a5c5..ea4bff6 100644
> --- a/kernel/trace/Kconfig
> +++ b/kernel/trace/Kconfig
> @@ -386,6 +386,22 @@ config KPROBE_EVENT
>  	  This option is also required by perf-probe subcommand of perf tools.
>  	  If you want to use perf tools, this option is strongly recommended.
>  
> +config UPROBE_EVENT

Looks like UPROBE_EVENT.

> +	bool "Enable uprobes-based dynamic events"
> +	depends on ARCH_SUPPORTS_UPROBES
> +	depends on MMU
> +	select UPROBES
> +	select PROBE_EVENTS
>

-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.

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