From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f53.google.com (mail-pa0-f53.google.com [209.85.220.53]) by kanga.kvack.org (Postfix) with ESMTP id D0E7A6B025A for ; Tue, 1 Dec 2015 18:26:13 -0500 (EST) Received: by padhx2 with SMTP id hx2so19969506pad.1 for ; Tue, 01 Dec 2015 15:26:13 -0800 (PST) Received: from mail-pa0-x235.google.com (mail-pa0-x235.google.com. [2607:f8b0:400e:c03::235]) by mx.google.com with ESMTPS id n12si256493pfa.89.2015.12.01.15.26.06 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 01 Dec 2015 15:26:06 -0800 (PST) Received: by padhx2 with SMTP id hx2so19966933pad.1 for ; Tue, 01 Dec 2015 15:26:06 -0800 (PST) From: Yang Shi Subject: [PATCH 7/7] sparc64: mm/gup: add gup trace points Date: Tue, 1 Dec 2015 15:06:17 -0800 Message-Id: <1449011177-30686-8-git-send-email-yang.shi@linaro.org> 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: owner-linux-mm@kvack.org List-ID: 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 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org