From: Andrew Morton <akpm@linux-foundation.org>
To: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Cc: Sean Anderson <seanga2@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tools/vm/page_owner_sort.c: add switch between culling by stacktrace and txt
Date: Wed, 23 Mar 2022 12:08:05 -0700 [thread overview]
Message-ID: <20220323120805.45fa9e5a0da60b861bf94671@linux-foundation.org> (raw)
In-Reply-To: <623a8074.1c69fb81.33a39.0d6cSMTPIN_ADDED_BROKEN@mx.google.com>
On Wed, 23 Mar 2022 10:05:28 +0800 Yinan Zhang <zhangyinan2019@email.szu.edu.cn> wrote:
> >> *(&list[i].txt+offset)) != 0) {
> >> list2[count++] = list[i];
> >> } else {
> >> list2[count-1].num += list[i].num;
> >>
> >
> >
> You are right. Due to timestamp etc, it's almost impossible to
>
> cull by txt. And I did observe some blocks differ in head and same in
>
> stack trace on my linux. The examples I mentioned in patch are
>
> part of them.
>
>
> Besides, --cull has been added in patch:
>
> tools/vm/page_owner_sort.c: support for user-defined culling rules
>
So should I drop this patch?
next prev parent reply other threads:[~2022-03-23 19:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-29 14:56 Yinan Zhang
2021-11-30 2:23 ` Sean Anderson
2022-03-21 20:38 ` Andrew Morton
[not found] ` <623932d3.1c69fb81.e3278.ab09SMTPIN_ADDED_BROKEN@mx.google.com>
2022-03-22 3:55 ` Sean Anderson
2022-03-22 18:03 ` Andrew Morton
[not found] ` <623932d7.1c69fb81.31089.1923SMTPIN_ADDED_BROKEN@mx.google.com>
2022-03-22 18:00 ` Andrew Morton
[not found] ` <623a8074.1c69fb81.33a39.0d6cSMTPIN_ADDED_BROKEN@mx.google.com>
2022-03-23 19:08 ` Andrew Morton [this message]
[not found] ` <623bc151.1c69fb81.12d57.ef3cSMTPIN_ADDED_BROKEN@mx.google.com>
2022-03-24 23:15 ` Andrew Morton
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