Re: [PATCH v3] vmscan/trace: Add 'file' info to trace_mm_vmscan_lru_isolate.

From: Minchan Kim
Date: Sat Dec 17 2011 - 19:49:42 EST


On Thu, Dec 15, 2011 at 12:14 AM, Tao Ma <tm@xxxxxx> wrote:
> From: Tao Ma <boyu.mt@xxxxxxxxxx>
>
> In trace_mm_vmscan_lru_isolate, we don't output 'file'
> information to the trace event and it is a bit inconvenient for the
> user to get the real information(like pasted below).
> mm_vmscan_lru_isolate: isolate_mode=2 order=0 nr_requested=32 nr_scanned=32
> nr_taken=32 contig_taken=0 contig_dirty=0 contig_failed=0
>
> 'active' can be gotten by analyzing mode(Thanks go to Minchan and Mel),
> So this patch adds 'file' to the trace event and it now looks like:
> mm_vmscan_lru_isolate: isolate_mode=2 order=0 nr_requested=32 nr_scanned=32
> nr_taken=32 contig_taken=0 contig_dirty=0 contig_failed=0 file=0
>
> Cc: Mel Gorman <mel@xxxxxxxxx>
> Cc: Minchan Kim <minchan.kim@xxxxxxxxx>
> Cc: Rik van Riel <riel@xxxxxxxxxx>
> Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Acked-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> Signed-off-by: Tao Ma <boyu.mt@xxxxxxxxxx>

Andrew pointed out that trace_mm_vmscan_memcg_isolate is out , Otherwise,
Reviewed-by: Minchan Kim <minchan@xxxxxxxxxx>


--
Kind regards,
Minchan Kim
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