From patchwork Tue Dec 1 23:06:16 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Shi X-Patchwork-Id: 7741811 X-Patchwork-Delegate: horms@verge.net.au Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E1D6E9F39D for ; Tue, 1 Dec 2015 23:27:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0EF75206E0 for ; Tue, 1 Dec 2015 23:27:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1C77C206DC for ; Tue, 1 Dec 2015 23:27:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757313AbbLAX0g (ORCPT ); Tue, 1 Dec 2015 18:26:36 -0500 Received: from mail-pa0-f48.google.com ([209.85.220.48]:33762 "EHLO mail-pa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757327AbbLAX0G (ORCPT ); Tue, 1 Dec 2015 18:26:06 -0500 Received: by pabfh17 with SMTP id fh17so20541947pab.0 for ; Tue, 01 Dec 2015 15:26:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro-org.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=LVu5A7MhWIZJwHzMpBDvO2hJXs0kiS9KgAIKJuHIIBk=; b=lOf2soPC38D7qgEskMAYCs3zk9WSObhoyus0gfowSNlfIeEirQEI5anhlzNsv2IbYx tCK+zUUcoKyyi3zT44gnub6mOviBnrZMvghcjGMuXFpbhiy+MrwYPHBsdZj90Pp03kPF EYSw1jt/2B6ktL9LHKVeoS3lz9ICgDdYChBmtRWsfUlX7Rdy72ot4ozKvYhBm3WgoRfF 5x8SY02PAmxO+sRhBHKXTflAnY4LGOGhS/e1sHS/WbuEgw3Q7MVdvpsFK4uHTUvVV6si e1/lbjAmdjI0/PUlNrwbt9MxlgeLtNBqh/42FS3JfO5ZqPRC8ykmyC3Uy7TSSgGL0x9B 2Sow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=LVu5A7MhWIZJwHzMpBDvO2hJXs0kiS9KgAIKJuHIIBk=; b=JTmQ029UbGkFmMf2d4l62vg2ZJhYLOvjWpls6C5GvTnJIpgFRJ2b7BPTNmcGaj91OZ fomER+7XiqwA+oTvbB1ZBIBZneul7ypQgYgdD1rPBi/2J8Oo0Wca7z07g9Qzs7VQ0Kc2 UmX52OxIATPIOecaQk+5Moq2ky6NPqTfTsR6iYwb8fWBP9WsmOS64TafjjKbZ6hhoTTl U4P34CLnXMkSSzx44Cn7ksNKRg16lhEhozoUxjNNyYBdKjaS/e1aLCIVIhL8z15676/n 6Fvh6T2ueQM+GTys3dASj7HSYL2mFB2fMyU7RUMpT0BO8xDoEYtngIze6xwZrFfwkrh/ PCVg== X-Gm-Message-State: ALoCoQmH/MRDOKOqbzhqi9pMRL9KjSdYt3cndYVR6nZGpnWkPouLETzJSwS0GOwhIMGZk1+hr3Dp X-Received: by 10.66.132.37 with SMTP id or5mr79122pab.5.1449012365641; Tue, 01 Dec 2015 15:26:05 -0800 (PST) Received: from yshi-Precision-T5600.corp.ad.wrs.com (unknown-216-82.windriver.com. [147.11.216.82]) by smtp.gmail.com with ESMTPSA id sz9sm108777pab.13.2015.12.01.15.26.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 01 Dec 2015 15:26:05 -0800 (PST) From: Yang Shi To: akpm@linux-foundation.org, rostedt@goodmis.org, mingo@redhat.com Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linaro-kernel@lists.linaro.org, yang.shi@linaro.org, linux-sh@vger.kernel.org Subject: [PATCH 6/7] sh: mm/gup: add gup trace points Date: Tue, 1 Dec 2015 15:06:16 -0800 Message-Id: <1449011177-30686-7-git-send-email-yang.shi@linaro.org> X-Mailer: git-send-email 2.0.2 In-Reply-To: <1449011177-30686-1-git-send-email-yang.shi@linaro.org> References: <1449011177-30686-1-git-send-email-yang.shi@linaro.org> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID,T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Cc: linux-sh@vger.kernel.org Signed-off-by: Yang Shi --- arch/sh/mm/gup.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/sh/mm/gup.c b/arch/sh/mm/gup.c index e7af6a6..6df3e97 100644 --- a/arch/sh/mm/gup.c +++ b/arch/sh/mm/gup.c @@ -12,6 +12,10 @@ #include #include #include + +#define CREATE_TRACE_POINTS +#include + #include static inline pte_t gup_get_pte(pte_t *ptep) @@ -178,6 +182,8 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, (void __user *)start, len))) return 0; + trace_gup_get_user_pages_fast(start, nr_pages, write, pages); + /* * This doesn't prevent pagetable teardown, but does prevent * the pagetables and pages from being freed. @@ -231,6 +237,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, if (end < start) goto slow_irqon; + trace_gup_get_user_pages_fast(start, nr_pages, write, pages); + local_irq_disable(); pgdp = pgd_offset(mm, addr); do {