linux-kernel - Re: [PATCH 5/5] perf, documentation: Description for conditional branch filter

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Date:	Thu, 23 May 2013 15:39:01 +0200
From:	Stephane Eranian <eranian@...gle.com>
To:	Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Cc:	Linux PPC dev <linuxppc-dev@...abs.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Michael Ellerman <michael@...erman.id.au>,
	Michael Neuling <mikey@...ling.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH 5/5] perf, documentation: Description for conditional
 branch filter

On Wed, May 22, 2013 at 8:22 AM, Anshuman Khandual
<khandual@...ux.vnet.ibm.com> wrote:
> Adding documentation support for conditional branch filter.
>
Reviewed-by: Stephane Eranian <eranian@...gle.com>

> Signed-off-by: Anshuman Khandual <khandual@...ux.vnet.ibm.com>
> ---
>  tools/perf/Documentation/perf-record.txt | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
> index d4da111..8b5e1ed 100644
> --- a/tools/perf/Documentation/perf-record.txt
> +++ b/tools/perf/Documentation/perf-record.txt
> @@ -169,12 +169,13 @@ following filters are defined:
>          - any_call: any function call or system call
>          - any_ret: any function return or system call return
>          - ind_call: any indirect branch
> +        - cond: conditional branches
>          - u:  only when the branch target is at the user level
>          - k: only when the branch target is in the kernel
>          - hv: only when the target is at the hypervisor level
>
>  +
> -The option requires at least one branch type among any, any_call, any_ret, ind_call.
> +The option requires at least one branch type among any, any_call, any_ret, ind_call, cond.
>  The privilege levels may be omitted, in which case, the privilege levels of the associated
>  event are applied to the branch filter. Both kernel (k) and hypervisor (hv) privilege
>  levels are subject to permissions.  When sampling on multiple events, branch stack sampling
> --
> 1.7.11.7
>
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