linux-kernel - Re: [PATCH v2] slub: use jitter-free reference while printing age

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Date:   Thu, 8 Mar 2018 12:12:50 -0600 (CST)
From:   Christopher Lameter <cl@...ux.com>
To:     Chintan Pandya <cpandya@...eaurora.org>
cc:     penberg@...nel.org, rientjes@...gle.com, iamjoonsoo.kim@....com,
        akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] slub: use jitter-free reference while printing age

On Thu, 8 Mar 2018, Chintan Pandya wrote:

> In this case, object got freed later but 'age'
> shows otherwise. This could be because, while
> printing this info, we print allocation traces
> first and free traces thereafter. In between,
> if we get schedule out or jiffies increment,
> (jiffies - t->when) could become meaningless.

Could you show the new output style too?

Acked-by: Christoph Lameter <cl@...ux.com>