Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759435AbbLBXVT (ORCPT ); Wed, 2 Dec 2015 18:21:19 -0500 Received: from mail-pf0-f182.google.com ([209.85.192.182]:35213 "EHLO mail-pf0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757990AbbLBXUz (ORCPT ); Wed, 2 Dec 2015 18:20:55 -0500 X-Greylist: delayed 447 seconds by postgrey-1.27 at vger.kernel.org; Wed, 02 Dec 2015 18:20:55 EST 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 V2 7/7] sparc64: mm/gup: add gup trace points Date: Wed, 2 Dec 2015 14:53:33 -0800 Message-Id: <1449096813-22436-8-git-send-email-yang.shi@linaro.org> X-Mailer: git-send-email 2.0.2 In-Reply-To: <1449096813-22436-1-git-send-email-yang.shi@linaro.org> References: <1449096813-22436-1-git-send-email-yang.shi@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1499 Lines: 51 Cc: "David S. Miller" Cc: sparclinux@vger.kernel.org Signed-off-by: Yang Shi --- The context depends on the below patch: https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1028752.html arch/sparc/mm/gup.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c index cf4fb47..6dcfc4d 100644 --- a/arch/sparc/mm/gup.c +++ b/arch/sparc/mm/gup.c @@ -10,6 +10,10 @@ #include #include #include + +#define CREATE_TRACE_POINTS +#include + #include /* @@ -177,6 +181,8 @@ 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); + local_irq_save(flags); pgdp = pgd_offset(mm, addr); do { @@ -209,6 +215,8 @@ 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); + /* * XXX: batch / limit 'nr', to avoid large irq off latency * needs some instrumenting to determine the common sizes used by -- 2.0.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/