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[147.11.216.82]) by smtp.gmail.com with ESMTPSA id 25sm6479658pfp.62.2015.12.08.11.59.59 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 08 Dec 2015 11:59:59 -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 v3 7/7] sparc64: mm/gup: add gup trace points Date: Tue, 8 Dec 2015 11:39:55 -0800 Message-Id: <1449603595-718-8-git-send-email-yang.shi@linaro.org> X-Mailer: git-send-email 2.0.2 In-Reply-To: <1449603595-718-1-git-send-email-yang.shi@linaro.org> References: <1449603595-718-1-git-send-email-yang.shi@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Cc: "David S. Miller" Cc: sparclinux@vger.kernel.org Signed-off-by: Yang Shi --- arch/sparc/mm/gup.c | 7 +++++++ 1 file changed, 7 insertions(+) -- 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/ diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c index 2e5c4fc..d364cc6 100644 --- a/arch/sparc/mm/gup.c +++ b/arch/sparc/mm/gup.c @@ -12,6 +12,9 @@ #include #include +#define CREATE_TRACE_POINTS +#include + /* * The performance critical leaf functions are made noinline otherwise gcc * inlines everything into a single function which results in too much @@ -174,6 +177,8 @@ 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, (unsigned long) nr_pages); + local_irq_save(flags); pgdp = pgd_offset(mm, addr); do { @@ -236,6 +241,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, local_irq_enable(); + trace_gup_get_user_pages_fast(start, (unsigned long) nr_pages); + VM_BUG_ON(nr != (end - start) >> PAGE_SHIFT); return nr;