From: Suren Baghdasaryan <surenb@google.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: kent.overstreet@linux.dev, vbabka@suse.cz, hannes@cmpxchg.org,
usamaarif642@gmail.com, rientjes@google.com,
roman.gushchin@linux.dev, harry.yoo@oracle.com,
shakeel.butt@linux.dev, 00107082@163.com, pyyjason@gmail.com,
pasha.tatashin@soleen.com, souravpanda@google.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/1] alloc_tag: mark inaccurate allocation counters in /proc/allocinfo output
Date: Mon, 15 Sep 2025 20:34:33 -0700 [thread overview]
Message-ID: <CAJuCfpH1JW8vwOFF2H2SOxZqoJHadXsTc6C=LUS_=twcf=k9qQ@mail.gmail.com> (raw)
In-Reply-To: <20250915195633.96236cecebd8777243a770bc@linux-foundation.org>
On Mon, Sep 15, 2025 at 7:56 PM Andrew Morton <akpm@linux-foundation.org> wrote:
>
> On Mon, 15 Sep 2025 19:48:14 -0700 Suren Baghdasaryan <surenb@google.com> wrote:
>
> >
> > > Perhaps we can tell people what accurate:no actually means. It is a
> > > rather disturbing thing to see! How worried should our users be about
> > > it?
> >
> > Right. How about adding a section like this:
> >
> > Supported markers in v2:
> > accurate:no
> > Absolute values of the counters in this line are not
> > accurate because of the failure to allocate storage required
> > to track some of the allocations made at this location.
> > Deltas in these counters are accurate, therefore counters
> > can be used to track allocation size and count changes.
> >
> >
> > If this looks good,
>
> looks awesome ;)
>
> > could you fold it into the existing patch or
> > should I respin?
>
> A little fixlet would be preferred (by me, at least).
Ok, should I post a fixup patch or you will do that in-place?
next prev parent reply other threads:[~2025-09-16 3:34 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-15 23:02 Suren Baghdasaryan
2025-09-15 23:05 ` Suren Baghdasaryan
2025-09-16 0:11 ` Andrew Morton
2025-09-16 2:48 ` Suren Baghdasaryan
2025-09-16 2:56 ` Andrew Morton
2025-09-16 3:34 ` Suren Baghdasaryan [this message]
2025-09-16 4:21 ` Andrew Morton
2025-09-16 4:39 ` Suren Baghdasaryan
2025-09-16 16:02 ` Suren Baghdasaryan
2025-09-16 12:57 ` Vlastimil Babka
2025-09-16 15:51 ` Suren Baghdasaryan
2025-09-16 21:11 ` Usama Arif
2025-09-16 21:46 ` Suren Baghdasaryan
2025-09-16 21:52 ` Usama Arif
2025-09-16 22:26 ` Suren Baghdasaryan
2025-09-16 22:27 ` Suren Baghdasaryan
2025-09-17 21:09 ` Usama Arif
2025-09-17 23:04 ` Suren Baghdasaryan
2025-09-17 7:38 ` Vlastimil Babka
2025-09-17 23:02 ` Suren Baghdasaryan
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