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Groups > linux.kernel > #1282585
| From | Yang Shi <yang.shi@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH V2 7/7] sparc64: mm/gup: add gup trace points |
| Date | 2015-12-03 00:30 +0100 |
| Message-ID | <qBp0v-5qO-51@gated-at.bofh.it> (permalink) |
| References | <qBoQN-5n9-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Cc: "David S. Miller" <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Signed-off-by: Yang Shi <yang.shi@linaro.org>
---
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 <linux/vmstat.h>
#include <linux/pagemap.h>
#include <linux/rwsem.h>
+
+#define CREATE_TRACE_POINTS
+#include <trace/events/gup.h>
+
#include <asm/pgtable.h>
/*
@@ -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
--
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[RFC V2] Add gup trace points support Yang Shi <yang.shi@linaro.org> - 2015-12-03 00:20 +0100
[PATCH V2 5/7] s390: mm/gup: add gup trace points Yang Shi <yang.shi@linaro.org> - 2015-12-03 00:20 +0100
[PATCH V2 3/7] x86: mm/gup: add gup trace points Yang Shi <yang.shi@linaro.org> - 2015-12-03 00:20 +0100
[PATCH V2 4/7] mips: mm/gup: add gup trace points Yang Shi <yang.shi@linaro.org> - 2015-12-03 00:20 +0100
[PATCH V2 2/7] mm/gup: add gup trace points Yang Shi <yang.shi@linaro.org> - 2015-12-03 00:20 +0100
Re: [PATCH V2 2/7] mm/gup: add gup trace points Dave Hansen <dave.hansen@intel.com> - 2015-12-03 00:40 +0100
Re: [PATCH V2 2/7] mm/gup: add gup trace points "Shi, Yang" <yang.shi@linaro.org> - 2015-12-03 01:20 +0100
Re: [PATCH V2 2/7] mm/gup: add gup trace points "Shi, Yang" <yang.shi@linaro.org> - 2015-12-03 02:00 +0100
Re: [PATCH V2 2/7] mm/gup: add gup trace points Steven Rostedt <rostedt@goodmis.org> - 2015-12-03 05:20 +0100
Re: [PATCH V2 2/7] mm/gup: add gup trace points "Shi, Yang" <yang.shi@linaro.org> - 2015-12-03 19:40 +0100
Re: [PATCH V2 2/7] mm/gup: add gup trace points Steven Rostedt <rostedt@goodmis.org> - 2015-12-03 20:10 +0100
Re: [PATCH V2 2/7] mm/gup: add gup trace points "Shi, Yang" <yang.shi@linaro.org> - 2015-12-03 23:20 +0100
[PATCH V2 6/7] sh: mm/gup: add gup trace points Yang Shi <yang.shi@linaro.org> - 2015-12-03 00:20 +0100
[PATCH V2 1/7] trace/events: Add gup trace events Yang Shi <yang.shi@linaro.org> - 2015-12-03 00:20 +0100
Re: [PATCH V2 1/7] trace/events: Add gup trace events Steven Rostedt <rostedt@goodmis.org> - 2015-12-03 05:10 +0100
Re: [PATCH V2 1/7] trace/events: Add gup trace events "Shi, Yang" <yang.shi@linaro.org> - 2015-12-03 19:40 +0100
[PATCH V2 7/7] sparc64: mm/gup: add gup trace points Yang Shi <yang.shi@linaro.org> - 2015-12-03 00:30 +0100
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