From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753601AbbGRIbE (ORCPT ); Sat, 18 Jul 2015 04:31:04 -0400 Received: from mail-la0-f49.google.com ([209.85.215.49]:35543 "EHLO mail-la0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752821AbbGRIax (ORCPT ); Sat, 18 Jul 2015 04:30:53 -0400 From: Max Filippov To: linux-xtensa@linux-xtensa.org, linux-kernel@vger.kernel.org Cc: Chris Zankel , Marc Gauthier , Max Filippov Subject: [PATCH v2 06/13] xtensa: count software page fault perf events Date: Sat, 18 Jul 2015 11:30:09 +0300 Message-Id: <1437208216-15729-7-git-send-email-jcmvbkbc@gmail.com> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1437208216-15729-1-git-send-email-jcmvbkbc@gmail.com> References: <1437208216-15729-1-git-send-email-jcmvbkbc@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Max Filippov --- arch/xtensa/mm/fault.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c index 9e3571a..76360a2 100644 --- a/arch/xtensa/mm/fault.c +++ b/arch/xtensa/mm/fault.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -142,6 +143,12 @@ good_area: } up_read(&mm->mmap_sem); + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); + if (flags & VM_FAULT_MAJOR) + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, regs, address); + else if (flags & VM_FAULT_MINOR) + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, regs, address); + return; /* Something tried to access memory that isn't in our memory map.. -- 1.8.1.4