From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755056Ab2LLQdZ (ORCPT ); Wed, 12 Dec 2012 11:33:25 -0500 Received: from co1ehsobe004.messaging.microsoft.com ([216.32.180.187]:37239 "EHLO co1outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754349Ab2LLQbP (ORCPT ); Wed, 12 Dec 2012 11:31:15 -0500 X-Forefront-Antispam-Report: CIP:163.181.249.108;KIP:(null);UIP:(null);IPV:NLI;H:ausb3twp01.amd.com;RD:none;EFVD:NLI X-SpamScore: 0 X-BigFish: VPS0(zzzz1de0h1202h1e76h1d1ah1d2ahzzz2dh668h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h14ddh1504h1537h162dh1631h1758h1155h) X-WSS-ID: 0MEXF7X-01-ELR-02 X-M-MSG: From: Jacob Shin To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , CC: Peter Zijlstra , Paul Mackerras , Arnaldo Carvalho de Melo , Stephane Eranian , Suravee Suthikulpanit , , Jacob Shin Subject: [PATCH 0/5] perf: Add support for hardware breakpoint address masks Date: Wed, 12 Dec 2012 10:30:38 -0600 Message-ID: <1355329843-25842-1-git-send-email-jacob.shin@amd.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: amd.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following patchset adds address masks to existing perf hardware breakpoint mechanism to allow trapping on an address range (currently only single address) on supported architectures. perf uapi is updated, x86 AMD implementation (for AMD Family 16h and beyond) is provided, and perf tool has been extended to do: $ perf stat -e mem:0x1000:w:0xf a.out ^^^ "don't care" bit mask which will count writes to [0x1000 ~ 0x1010) Jacob Shin (2): perf: Add hardware breakpoint address mask perf, x86: AMD implementation for hardware breakpoint address mask Suravee Suthikulpanit (3): perf tools: Add breakpoint address mask to the mem event parser perf tools: Add breakpoint address mask syntax to perf list and documentation perf tools: Add breakpoint address mask test case to tests/parse-events arch/Kconfig | 4 ++++ arch/x86/Kconfig | 1 + arch/x86/include/asm/cpufeature.h | 2 ++ arch/x86/include/asm/hw_breakpoint.h | 6 ++++++ arch/x86/include/asm/msr-index.h | 6 ++++++ arch/x86/include/asm/processor.h | 7 ++++++ arch/x86/kernel/cpu/amd.c | 21 ++++++++++++++++++ arch/x86/kernel/hw_breakpoint.c | 5 +++++ include/linux/hw_breakpoint.h | 6 ++++++ include/uapi/linux/perf_event.h | 5 ++++- kernel/events/hw_breakpoint.c | 3 +++ tools/perf/Documentation/perf-record.txt | 14 ++++++++---- tools/perf/tests/parse-events.c | 34 ++++++++++++++++++++++++++++++ tools/perf/util/parse-events.c | 5 +++-- tools/perf/util/parse-events.h | 2 +- tools/perf/util/parse-events.y | 14 ++++++++++-- 16 files changed, 125 insertions(+), 10 deletions(-) -- 1.7.9.5