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Message-ID: <CABPqkBSiqn+xOc80wLjibJ0Y2F9hJZbj+H=_3cJr=_Q4ZkHejg@mail.gmail.com>
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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