From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752823AbbADSg3 (ORCPT ); Sun, 4 Jan 2015 13:36:29 -0500 Received: from mail-pd0-f180.google.com ([209.85.192.180]:33268 "EHLO mail-pd0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752680AbbADSg2 (ORCPT ); Sun, 4 Jan 2015 13:36:28 -0500 From: Andy Lutomirski To: Jiri Olsa , Ingo Molnar , Peter Zijlstra , =?utf-8?B?56em5om/5YiaKOaJv+WImik=?= Cc: Andy Lutomirski , Stephane Eranian , root , Andrew Morton , =?utf-8?B?56em5om/5YiaKOaJv+WImik=?= , Wu Fengguang , Namhyung Kim , Mike Galbraith , Arjan van de Ven , linux-kernel , David Ahern , Paul Mackerras , Yanmin Zhang Subject: [PATCH 0/2] perf: Improve user regs sampling Date: Sun, 4 Jan 2015 10:36:18 -0800 Message-Id: X-Mailer: git-send-email 2.1.0 In-Reply-To: <20150104174105.GA29388@krava.brq.redhat.com> References: <20150104174105.GA29388@krava.brq.redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This seems to improve the situation on x86_64 from almost entirely broken to mostly working. Tested with: perf record -e cycles --call-graph=dwarf ls Andy Lutomirski (2): perf: Move task_pt_regs sampling into arch code x86_64, perf: Improve user regs sampling arch/arm/kernel/perf_regs.c | 8 ++++ arch/arm64/kernel/perf_regs.c | 8 ++++ arch/x86/kernel/perf_regs.c | 90 +++++++++++++++++++++++++++++++++++++++++++ include/linux/perf_event.h | 12 +++--- include/linux/perf_regs.h | 16 ++++++++ kernel/events/core.c | 19 ++++----- 6 files changed, 137 insertions(+), 16 deletions(-) -- 2.1.0