Re: [PATCH V2] vmscan/trace: Add 'active' and 'file' info totrace_mm_vmscan_lru_isolate.

From: KAMEZAWA Hiroyuki
Date: Sun Dec 11 2011 - 19:55:21 EST


On Sun, 11 Dec 2011 22:46:24 +0800
Tao Ma <tm@xxxxxx> wrote:

> From: Tao Ma <boyu.mt@xxxxxxxxxx>
>
> In trace_mm_vmscan_lru_isolate, we don't output 'active' and '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
>
> So this patch adds these 2 info 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 active=1 file=0
>
> Cc: Mel Gorman <mel@xxxxxxxxx>
> Cc: Rik van Riel <riel@xxxxxxxxxx>
> Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Tao Ma <boyu.mt@xxxxxxxxxx>

Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>

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