[lttng-dev] [PATCH lttng-modules] Fix: update kmem instrumentation for kernel 4.15

Mathieu Desnoyers mathieu.desnoyers at efficios.com
Tue Nov 28 21:55:54 UTC 2017


Merged into master, 2.10, 2.9, thanks!

Mathieu

----- On Nov 28, 2017, at 10:02 PM, Michael Jeanson mjeanson at efficios.com wrote:

> See upstream commit:
> 
>  commit 2d4894b5d2ae0fe1725ea7abd57b33bfbbe45492
>  Author: Mel Gorman <mgorman at techsingularity.net>
>  Date:   Wed Nov 15 17:37:59 2017 -0800
> 
>    mm: remove cold parameter from free_hot_cold_page*
> 
> Signed-off-by: Michael Jeanson <mjeanson at efficios.com>
> ---
> instrumentation/events/lttng-module/kmem.h | 27 +++++++++++++++++++++++++--
> 1 file changed, 25 insertions(+), 2 deletions(-)
> 
> diff --git a/instrumentation/events/lttng-module/kmem.h
> b/instrumentation/events/lttng-module/kmem.h
> index ad7bf77..c3fa25a 100644
> --- a/instrumentation/events/lttng-module/kmem.h
> +++ b/instrumentation/events/lttng-module/kmem.h
> @@ -132,11 +132,33 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_direct,
> kmem_mm_page_free_direct,
> 	)
> )
> 
> -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
> +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
> +LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_batched, kmem_mm_page_free_batched,
> +
> +	TP_PROTO(struct page *page),
> +
> +	TP_ARGS(page),
> +
> +	TP_FIELDS(
> +		ctf_integer_hex(struct page *, page, page)
> +		ctf_integer(unsigned long, pfn, page_to_pfn(page))
> +	)
> +)
> +#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
> LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_batched, kmem_mm_page_free_batched,
> +
> +	TP_PROTO(struct page *page, int cold),
> +
> +	TP_ARGS(page, cold),
> +
> +	TP_FIELDS(
> +		ctf_integer_hex(struct page *, page, page)
> +		ctf_integer(unsigned long, pfn, page_to_pfn(page))
> +		ctf_integer(int, cold, cold)
> +	)
> +)
> #else
> LTTNG_TRACEPOINT_EVENT_MAP(mm_pagevec_free, kmem_pagevec_free,
> -#endif
> 
> 	TP_PROTO(struct page *page, int cold),
> 
> @@ -148,6 +170,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_pagevec_free,
> kmem_pagevec_free,
> 		ctf_integer(int, cold, cold)
> 	)
> )
> +#endif
> 
> LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc, kmem_mm_page_alloc,
> 
> --
> 2.7.4

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com


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