From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755447Ab2A0U7J (ORCPT ); Fri, 27 Jan 2012 15:59:09 -0500 Received: from mail-we0-f174.google.com ([74.125.82.174]:62378 "EHLO mail-we0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755313Ab2A0U7C (ORCPT ); Fri, 27 Jan 2012 15:59:02 -0500 From: Stephane Eranian To: linux-kernel@vger.kernel.org Cc: peterz@infradead.org, mingo@elte.hu, acme@redhat.com, robert.richter@amd.com, ming.m.lin@intel.com, andi@firstfloor.org, asharma@fb.com, ravitillo@lbl.gov, vweaver1@eecs.utk.edu, khandual@linux.vnet.ibm.com, dsahern@gmail.com Subject: [PATCH v4 15/18] perf: add ABI reference sizes Date: Fri, 27 Jan 2012 21:56:15 +0100 Message-Id: <1327697778-18515-16-git-send-email-eranian@google.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1327697778-18515-1-git-send-email-eranian@google.com> References: <1327697778-18515-1-git-send-email-eranian@google.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds reference sizes for revision 1 and 2 of the perf_event ABI, i.e., the size of the perf_event_attr struct. With Rev1: config2 was added = +8 bytes With Rev2: branch_sample_type was added = +8 bytes Adds the definition for Rev1, Rev2. This is useful for tools trying to decode the revision numbers based on the size of the struct. Signed-off-by: Stephane Eranian --- include/linux/perf_event.h | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 6d9d712..91452ed 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -195,6 +195,8 @@ enum perf_event_read_format { }; #define PERF_ATTR_SIZE_VER0 64 /* sizeof first published struct */ +#define PERF_ATTR_SIZE_VER1 72 /* add: config2 */ +#define PERF_ATTR_SIZE_VER2 80 /* add: branch_sample_type */ /* * Hardware event_id to monitor via a performance monitoring event: -- 1.7.1