From patchwork Wed Dec 9 21:22:31 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Shi X-Patchwork-Id: 554810 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 569B71402C4 for ; Thu, 10 Dec 2015 08:42:47 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=linaro-org.20150623.gappssmtp.com header.i=@linaro-org.20150623.gappssmtp.com header.b=WVP2NtTw; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753273AbbLIVmc (ORCPT ); Wed, 9 Dec 2015 16:42:32 -0500 Received: from mail-pa0-f52.google.com ([209.85.220.52]:34335 "EHLO mail-pa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753177AbbLIVm2 (ORCPT ); Wed, 9 Dec 2015 16:42:28 -0500 Received: by pacwq6 with SMTP id wq6so35724470pac.1 for ; Wed, 09 Dec 2015 13:42:28 -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=HB5A2RTJanrvJSvOPNBqFrrjrai9fkgiP3MKMsHBtyk=; b=WVP2NtTw1nk7LV1Z2WyoYVoFW5k2sOp5bfPusj3NCIP0WK1DNY9hv20iDfL7sFVVmz N2C/XCHmo8Hl96i4liSwor8CI+2quk1Mi9B2hw7/R1/vwtjHpUqHfF0cBGOGLpfuaCMU eQp6jfnqQGAZFb4UCq2FEV0Acse7w7oRyUVKyfXTlYX4c4mpkTEACdgm0p4R6n8HIh0y d+qxWioJ+CwwIriz1gwDJQsAKsAMEjuw5Y6uUh9x6F8W5Xyv4uTHOMvl/rYut27ymF0e Z2xFOcZfSM/LdpZDKwx7h93GnYgMpEHcAcvL/HDuSl0Onr5qzbhXsHDTKsBoc+pnSreA COvQ== 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=HB5A2RTJanrvJSvOPNBqFrrjrai9fkgiP3MKMsHBtyk=; b=CPA79/BWqeo8vgdL4KriHDTD+uhofprhXEr550DpyvVec8Fy+txjHb1CMfst/SWQES NUZTxOw7sXT4z5IbbH26/qAfkKeSm3wVGbEABSGXrYdiaYlhpFBDImcn15qW93M4+6wv 7FfIXeW5uXegcuqRS97SajGjHm92N48DbkE18Ch7p3LtM/6X+X/fYBmP+vWDXuqP0T0q cZSHXv+k/dRe54MK18Po4a9KZ+V1ZB3qRtmUpX3Z3auMuDgstk6XUli57c+PkoqQ1ZV+ J7BCRjjXAt6Nio/l2bvQrSSoV1kufKXLhTmisIsXCEYsXuBnM9H+KNYLnzwvtWB4ANr1 lMVg== X-Gm-Message-State: ALoCoQlDbtW3w6vRa2w0c1GAYPM8dsovDsyn9XPvERummslqJXvdJfWI769LB1r5P4dkzazT5ppf28J2LVJDdm00dKA5FLr7qg== X-Received: by 10.66.124.165 with SMTP id mj5mr11234336pab.97.1449697348269; Wed, 09 Dec 2015 13:42:28 -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 f76sm13717090pfd.49.2015.12.09.13.42.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 09 Dec 2015 13:42:27 -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, "David S. Miller" , sparclinux@vger.kernel.org Subject: [PATCH v5 7/7] sparc64: mm/gup: add gup trace points Date: Wed, 9 Dec 2015 13:22:31 -0800 Message-Id: <1449696151-4195-8-git-send-email-yang.shi@linaro.org> X-Mailer: git-send-email 2.0.2 In-Reply-To: <1449696151-4195-1-git-send-email-yang.shi@linaro.org> References: <1449696151-4195-1-git-send-email-yang.shi@linaro.org> Sender: sparclinux-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org Cc: "David S. Miller" Cc: sparclinux@vger.kernel.org Signed-off-by: Yang Shi Acked-by: David S. Miller --- arch/sparc/mm/gup.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c index 2e5c4fc..5a06c34 100644 --- a/arch/sparc/mm/gup.c +++ b/arch/sparc/mm/gup.c @@ -12,6 +12,8 @@ #include #include +#include + /* * The performance critical leaf functions are made noinline otherwise gcc * inlines everything into a single function which results in too much @@ -174,6 +176,8 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, len = (unsigned long) nr_pages << PAGE_SHIFT; end = start + len; + trace_gup_get_user_pages_fast(start, nr_pages); + local_irq_save(flags); pgdp = pgd_offset(mm, addr); do { @@ -236,6 +240,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, local_irq_enable(); + trace_gup_get_user_pages_fast(start, nr_pages); + VM_BUG_ON(nr != (end - start) >> PAGE_SHIFT); return nr;