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Groups > linux.kernel > #1548010
| From | Nikolay Borisov <n.borisov.lkml@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 4/7] mm, vmscan: show LRU name in mm_vmscan_lru_isolate tracepoint |
| Date | 2016-12-28 17:00 +0100 |
| Message-ID | <sToNY-1O0-9@gated-at.bofh.it> (permalink) |
| References | <sTouB-1H0-1@gated-at.bofh.it> <sTouB-1H0-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 28.12.2016 17:30, Michal Hocko wrote:
> From: Michal Hocko <mhocko@suse.com>
>
> mm_vmscan_lru_isolate currently prints only whether the LRU we isolate
> from is file or anonymous but we do not know which LRU this is. It is
> useful to know whether the list is file or anonymous as well. Change
Maybe you wanted to say whether the list is ACTIVE/INACTIVE ?
> the tracepoint to show symbolic names of the lru rather.
>
> Signed-off-by: Michal Hocko <mhocko@suse.com>
> ---
> include/trace/events/vmscan.h | 20 ++++++++++++++------
> mm/vmscan.c | 2 +-
> 2 files changed, 15 insertions(+), 7 deletions(-)
>
> diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
> index 6af4dae46db2..cc0b4c456c78 100644
> --- a/include/trace/events/vmscan.h
> +++ b/include/trace/events/vmscan.h
> @@ -36,6 +36,14 @@
> (RECLAIM_WB_ASYNC) \
> )
>
> +#define show_lru_name(lru) \
> + __print_symbolic(lru, \
> + {LRU_INACTIVE_ANON, "LRU_INACTIVE_ANON"}, \
> + {LRU_ACTIVE_ANON, "LRU_ACTIVE_ANON"}, \
> + {LRU_INACTIVE_FILE, "LRU_INACTIVE_FILE"}, \
> + {LRU_ACTIVE_FILE, "LRU_ACTIVE_FILE"}, \
> + {LRU_UNEVICTABLE, "LRU_UNEVICTABLE"})
> +
> TRACE_EVENT(mm_vmscan_kswapd_sleep,
>
> TP_PROTO(int nid),
> @@ -277,9 +285,9 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
> unsigned long nr_skipped,
> unsigned long nr_taken,
> isolate_mode_t isolate_mode,
> - int file),
> + int lru),
>
> - TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, file),
> + TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
>
> TP_STRUCT__entry(
> __field(int, classzone_idx)
> @@ -289,7 +297,7 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
> __field(unsigned long, nr_skipped)
> __field(unsigned long, nr_taken)
> __field(isolate_mode_t, isolate_mode)
> - __field(int, file)
> + __field(int, lru)
> ),
>
> TP_fast_assign(
> @@ -300,10 +308,10 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
> __entry->nr_skipped = nr_skipped;
> __entry->nr_taken = nr_taken;
> __entry->isolate_mode = isolate_mode;
> - __entry->file = file;
> + __entry->lru = lru;
> ),
>
> - TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu file=%d",
> + TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
> __entry->isolate_mode,
> __entry->classzone_idx,
> __entry->order,
> @@ -311,7 +319,7 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
> __entry->nr_scanned,
> __entry->nr_skipped,
> __entry->nr_taken,
> - __entry->file)
> + show_lru_name(__entry->lru))
> );
>
> TRACE_EVENT(mm_vmscan_writepage,
> diff --git a/mm/vmscan.c b/mm/vmscan.c
> index 4f7c0d66d629..3f0774f30a42 100644
> --- a/mm/vmscan.c
> +++ b/mm/vmscan.c
> @@ -1500,7 +1500,7 @@ static unsigned long isolate_lru_pages(unsigned long nr_to_scan,
> }
> *nr_scanned = scan + total_skipped;
> trace_mm_vmscan_lru_isolate(sc->reclaim_idx, sc->order, nr_to_scan, scan,
> - skipped, nr_taken, mode, is_file_lru(lru));
> + skipped, nr_taken, mode, lru);
> update_lru_sizes(lruvec, lru, nr_zone_taken, nr_taken);
> return nr_taken;
> }
>
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH 0/7] vm, vmscan: enahance vmscan tracepoints Michal Hocko <mhocko@kernel.org> - 2016-12-28 16:40 +0100
[PATCH 7/7] mm, vmscan: add mm_vmscan_inactive_list_is_low tracepoint Michal Hocko <mhocko@kernel.org> - 2016-12-28 16:40 +0100
Re: [PATCH 7/7] mm, vmscan: add mm_vmscan_inactive_list_is_low tracepoint "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-12-29 09:30 +0100
[PATCH 1/7] mm, vmscan: remove unused mm_vmscan_memcg_isolate Michal Hocko <mhocko@kernel.org> - 2016-12-28 16:40 +0100
Re: [PATCH 1/7] mm, vmscan: remove unused mm_vmscan_memcg_isolate "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-12-29 08:50 +0100
[PATCH 5/7] mm, vmscan: extract shrink_page_list reclaim counters into a struct Michal Hocko <mhocko@kernel.org> - 2016-12-28 16:40 +0100
Re: [PATCH 5/7] mm, vmscan: extract shrink_page_list reclaim counters into a struct "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-12-29 09:10 +0100
[PATCH 6/7] mm, vmscan: enhance mm_vmscan_lru_shrink_inactive tracepoint Michal Hocko <mhocko@kernel.org> - 2016-12-28 16:40 +0100
Re: [PATCH 6/7] mm, vmscan: enhance mm_vmscan_lru_shrink_inactive tracepoint "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-12-29 09:20 +0100
[PATCH 4/7] mm, vmscan: show LRU name in mm_vmscan_lru_isolate tracepoint Michal Hocko <mhocko@kernel.org> - 2016-12-28 16:40 +0100
Re: [PATCH 4/7] mm, vmscan: show LRU name in mm_vmscan_lru_isolate tracepoint Nikolay Borisov <n.borisov.lkml@gmail.com> - 2016-12-28 17:00 +0100
Re: [PATCH 4/7] mm, vmscan: show LRU name in mm_vmscan_lru_isolate tracepoint Michal Hocko <mhocko@kernel.org> - 2016-12-28 17:10 +0100
Re: [PATCH 4/7] mm, vmscan: show LRU name in mm_vmscan_lru_isolate tracepoint Nikolay Borisov <n.borisov.lkml@gmail.com> - 2016-12-28 17:50 +0100
Re: [PATCH 4/7] mm, vmscan: show LRU name in mm_vmscan_lru_isolate tracepoint Michal Hocko <mhocko@kernel.org> - 2016-12-28 18:00 +0100
Re: [PATCH 4/7] mm, vmscan: show LRU name in mm_vmscan_lru_isolate tracepoint Minchan Kim <minchan@kernel.org> - 2016-12-29 07:10 +0100
Re: [PATCH 4/7] mm, vmscan: show LRU name in mm_vmscan_lru_isolate tracepoint Michal Hocko <mhocko@kernel.org> - 2016-12-29 09:00 +0100
Re: [PATCH 4/7] mm, vmscan: show LRU name in mm_vmscan_lru_isolate tracepoint Minchan Kim <minchan@kernel.org> - 2016-12-30 03:00 +0100
Re: [PATCH 4/7] mm, vmscan: show LRU name in mm_vmscan_lru_isolate tracepoint Michal Hocko <mhocko@kernel.org> - 2016-12-30 10:40 +0100
Re: [PATCH 4/7] mm, vmscan: show LRU name in mm_vmscan_lru_isolate tracepoint "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-12-29 09:00 +0100
Re: [PATCH 4/7] mm, vmscan: show LRU name in mm_vmscan_lru_isolate tracepoint Vlastimil Babka <vbabka@suse.cz> - 2017-01-03 18:10 +0100
[PATCH 3/7] mm, vmscan: show the number of skipped pages in mm_vmscan_lru_isolate Michal Hocko <mhocko@kernel.org> - 2016-12-28 16:40 +0100
Re: [PATCH 3/7] mm, vmscan: show the number of skipped pages in mm_vmscan_lru_isolate Minchan Kim <minchan@kernel.org> - 2016-12-29 07:00 +0100
Re: [PATCH 3/7] mm, vmscan: show the number of skipped pages in mm_vmscan_lru_isolate "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-12-29 09:00 +0100
Re: [PATCH 3/7] mm, vmscan: show the number of skipped pages in mm_vmscan_lru_isolate Vlastimil Babka <vbabka@suse.cz> - 2017-01-03 18:30 +0100
[PATCH 2/7] mm, vmscan: add active list aging tracepoint Michal Hocko <mhocko@kernel.org> - 2016-12-28 16:40 +0100
Re: [PATCH 2/7] mm, vmscan: add active list aging tracepoint Minchan Kim <minchan@kernel.org> - 2016-12-29 06:40 +0100
Re: [PATCH 2/7] mm, vmscan: add active list aging tracepoint Michal Hocko <mhocko@kernel.org> - 2016-12-29 09:00 +0100
Re: [PATCH 2/7] mm, vmscan: add active list aging tracepoint Minchan Kim <minchan@kernel.org> - 2016-12-30 02:50 +0100
Re: [PATCH 2/7] mm, vmscan: add active list aging tracepoint Michal Hocko <mhocko@kernel.org> - 2016-12-30 10:30 +0100
Re: [PATCH 2/7] mm, vmscan: add active list aging tracepoint "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-12-30 10:50 +0100
Re: [PATCH 2/7] mm, vmscan: add active list aging tracepoint Minchan Kim <minchan@kernel.org> - 2016-12-30 17:10 +0100
Re: [PATCH 2/7] mm, vmscan: add active list aging tracepoint Michal Hocko <mhocko@kernel.org> - 2016-12-30 17:40 +0100
Re: [PATCH 2/7] mm, vmscan: add active list aging tracepoint Michal Hocko <mhocko@kernel.org> - 2016-12-30 18:40 +0100
Re: [PATCH 2/7] mm, vmscan: add active list aging tracepoint Minchan Kim <minchan@kernel.org> - 2017-01-03 06:10 +0100
Re: [PATCH 2/7] mm, vmscan: add active list aging tracepoint Michal Hocko <mhocko@kernel.org> - 2017-01-03 09:30 +0100
Re: [PATCH 2/7] mm, vmscan: add active list aging tracepoint "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-12-29 09:00 +0100
Re: [PATCH 0/7] vm, vmscan: enahance vmscan tracepoints Mel Gorman <mgorman@suse.de> - 2016-12-30 10:20 +0100
Re: [PATCH 0/7] vm, vmscan: enahance vmscan tracepoints Michal Hocko <mhocko@kernel.org> - 2016-12-30 10:40 +0100
Re: [PATCH 0/7] vm, vmscan: enahance vmscan tracepoints Mel Gorman <mgorman@suse.de> - 2016-12-30 11:30 +0100
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