From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e28smtp05.in.ibm.com (e28smtp05.in.ibm.com [122.248.162.5]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e28smtp05.in.ibm.com", Issuer "GeoTrust SSL CA" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 9906C2C00AB for ; Tue, 26 Nov 2013 21:16:51 +1100 (EST) Received: from /spool/local by e28smtp05.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 26 Nov 2013 15:46:45 +0530 Message-ID: <529474C7.9050005@linux.vnet.ibm.com> Date: Tue, 26 Nov 2013 15:45:35 +0530 From: Anshuman Khandual MIME-Version: 1.0 To: "mpe@ellerman.id.au" Subject: Re: [V3 01/10] perf: New conditional branch filter criteria in branch stack sampling References: <20131126060618.917ED2C00A9@ozlabs.org> In-Reply-To: <20131126060618.917ED2C00A9@ozlabs.org> Content-Type: text/plain; charset=ISO-8859-1 Cc: mikey@neuling.org, michaele@au1.ibm.com, linux-kernel@vger.kernel.org, eranian@google.com, linuxppc-dev@ozlabs.org, sukadev@linux.vnet.ibm.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 11/26/2013 11:36 AM, mpe@ellerman.id.au wrote: > Ideally your commit subject would contain a verb, preferably in the present > tense. > > I think simply "perf: Add PERF_SAMPLE_BRANCH_COND" would be clearer. Sure, will change it. > > On Wed, 2013-16-10 at 06:56:48 UTC, Anshuman Khandual wrote: >> POWER8 PMU based BHRB supports filtering for conditional branches. >> This patch introduces new branch filter PERF_SAMPLE_BRANCH_COND which >> will extend the existing perf ABI. Other architectures can provide >> this functionality with either HW filtering support (if present) or >> with SW filtering of instructions. >> >> Signed-off-by: Anshuman Khandual >> Reviewed-by: Stephane Eranian >> --- >> include/uapi/linux/perf_event.h | 3 ++- >> 1 file changed, 2 insertions(+), 1 deletion(-) >> >> diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h >> index 0b1df41..5da52b6 100644 >> --- a/include/uapi/linux/perf_event.h >> +++ b/include/uapi/linux/perf_event.h >> @@ -160,8 +160,9 @@ enum perf_branch_sample_type { >> PERF_SAMPLE_BRANCH_ABORT_TX = 1U << 7, /* transaction aborts */ >> PERF_SAMPLE_BRANCH_IN_TX = 1U << 8, /* in transaction */ >> PERF_SAMPLE_BRANCH_NO_TX = 1U << 9, /* not in transaction */ >> + PERF_SAMPLE_BRANCH_COND = 1U << 10, /* conditional branches */ >> >> - PERF_SAMPLE_BRANCH_MAX = 1U << 10, /* non-ABI */ >> + PERF_SAMPLE_BRANCH_MAX = 1U << 11, /* non-ABI */ >> }; > > This no longer applies against Linus' tree, you'll need to rebase it. Okay