From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752286AbaEVH1J (ORCPT ); Thu, 22 May 2014 03:27:09 -0400 Received: from e23smtp02.au.ibm.com ([202.81.31.144]:51250 "EHLO e23smtp02.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752209AbaEVH1G (ORCPT ); Thu, 22 May 2014 03:27:06 -0400 From: Anshuman Khandual To: peterz@infradead.org Cc: linux-kernel@vger.kernel.org, mpe@ellerman.id.au, benh@kernel.crashing.org, Anshuman Khandual Subject: [PATCH V6 1/4] perf: Add new conditional branch filter PERF_SAMPLE_BRANCH_COND Date: Thu, 22 May 2014 12:50:07 +0530 Message-Id: <1400743210-32289-1-git-send-email-khandual@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.11.7 X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14052207-5490-0000-0000-000000210CDE Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch introduces new branch filter PERF_SAMPLE_BRANCH_COND which will extend the existing perf ABI. This will filter branches which are conditional. Various architectures can provide this functionality either with HW filtering support (if present) or with SW filtering of captured branch instructions. Signed-off-by: Anshuman Khandual Reviewed-by: Stephane Eranian Reviewed-by: Andi Kleen --- 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 853bc1c..696f69b4 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -163,8 +163,9 @@ 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 */ }; #define PERF_SAMPLE_BRANCH_PLM_ALL \ -- 1.7.11.7