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Groups > linux.kernel > #1281334
| From | Yang Shi <yang.shi@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 4/7] mips: mm/gup: add gup trace points |
| Date | 2015-12-02 00:30 +0100 |
| Message-ID | <qB2wW-7Kw-25@gated-at.bofh.it> (permalink) |
| References | <qB2wV-7Kw-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Signed-off-by: Yang Shi <yang.shi@linaro.org> --- arch/mips/mm/gup.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/mips/mm/gup.c b/arch/mips/mm/gup.c index 349995d..3c5b8c8 100644 --- a/arch/mips/mm/gup.c +++ b/arch/mips/mm/gup.c @@ -12,6 +12,9 @@ #include <linux/swap.h> #include <linux/hugetlb.h> +#define CREATE_TRACE_POINTS +#include <trace/events/gup.h> + #include <asm/cpu-features.h> #include <asm/pgtable.h> @@ -211,6 +214,8 @@ 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 @@ -277,6 +282,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, if (end < start || cpu_has_dc_aliases) goto slow_irqon; + trace_gup_get_user_pages_fast(start, nr_pages, write, pages); + /* XXX: batch / limit 'nr' */ local_irq_disable(); pgdp = pgd_offset(mm, addr); -- 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/
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[RFC] Add gup trace points support Yang Shi <yang.shi@linaro.org> - 2015-12-02 00:30 +0100
[PATCH 1/7] trace/events: Add gup trace events Yang Shi <yang.shi@linaro.org> - 2015-12-02 00:30 +0100
Re: [PATCH 1/7] trace/events: Add gup trace events Steven Rostedt <rostedt@goodmis.org> - 2015-12-02 01:00 +0100
Re: [PATCH 1/7] trace/events: Add gup trace events "Shi, Yang" <yang.shi@linaro.org> - 2015-12-02 01:10 +0100
Re: [PATCH 1/7] trace/events: Add gup trace events Steven Rostedt <rostedt@goodmis.org> - 2015-12-02 01:20 +0100
Re: [PATCH 1/7] trace/events: Add gup trace events "Shi, Yang" <yang.shi@linaro.org> - 2015-12-02 01:40 +0100
[PATCH 4/7] mips: mm/gup: add gup trace points Yang Shi <yang.shi@linaro.org> - 2015-12-02 00:30 +0100
Re: [PATCH 4/7] mips: mm/gup: add gup trace points Ralf Baechle <ralf@linux-mips.org> - 2015-12-02 14:30 +0100
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