From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f43.google.com (mail-pa0-f43.google.com [209.85.220.43]) by kanga.kvack.org (Postfix) with ESMTP id 02DC56B0256 for ; Wed, 2 Dec 2015 18:13:27 -0500 (EST) Received: by pacej9 with SMTP id ej9so53658722pac.2 for ; Wed, 02 Dec 2015 15:13:26 -0800 (PST) Received: from mail-pa0-x229.google.com (mail-pa0-x229.google.com. [2607:f8b0:400e:c03::229]) by mx.google.com with ESMTPS id tg4si7556330pab.100.2015.12.02.15.13.23 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 02 Dec 2015 15:13:23 -0800 (PST) Received: by padhx2 with SMTP id hx2so53625632pad.1 for ; Wed, 02 Dec 2015 15:13:23 -0800 (PST) From: Yang Shi Subject: [PATCH V2 3/7] x86: mm/gup: add gup trace points Date: Wed, 2 Dec 2015 14:53:29 -0800 Message-Id: <1449096813-22436-4-git-send-email-yang.shi@linaro.org> 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: 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, Thomas Gleixner , "H. Peter Anvin" , x86@kernel.org Cc: Thomas Gleixner Cc: Ingo Molnar Cc: "H. Peter Anvin" Cc: x86@kernel.org Signed-off-by: Yang Shi --- arch/x86/mm/gup.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c index ae9a37b..ed6cca9 100644 --- a/arch/x86/mm/gup.c +++ b/arch/x86/mm/gup.c @@ -10,6 +10,9 @@ #include #include +#define CREATE_TRACE_POINTS +#include > + #include static inline pte_t gup_get_pte(pte_t *ptep) @@ -270,6 +273,8 @@ 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); + /* * XXX: batch / limit 'nr', to avoid large irq off latency * needs some instrumenting to determine the common sizes used by @@ -342,6 +347,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, goto slow_irqon; #endif + 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