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From:   Jim Mattson <jmattson@google.com>
Date:   Tue, 5 May 2020 09:53:53 -0700
Message-ID: <CALMp9eQYcLr_REzDC1kWTHX4SJWt7x+Zd1KwNvS1YGd5TVM1xA@mail.gmail.com>
Subject: Re: [PATCH v2 0/5] Statsfs: a new ram-based file sytem for Linux
 kernel statistics
To:     Emanuele Giuseppe Esposito <eesposit@redhat.com>
Cc:     David Rientjes <rientjes@google.com>,
        Jonathan Adams <jwadams@google.com>,
        kvm list <kvm@vger.kernel.org>,
        Christian Borntraeger <borntraeger@de.ibm.com>,
        David Hildenbrand <david@redhat.com>,
        Cornelia Huck <cohuck@redhat.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Vitaly Kuznetsov <vkuznets@redhat.com>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>,
        LKML <linux-kernel@vger.kernel.org>, linux-mips@vger.kernel.org,
        kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
        linux-s390@vger.kernel.org,
        Linux FS Devel <linux-fsdevel@vger.kernel.org>
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On Tue, May 5, 2020 at 2:18 AM Emanuele Giuseppe Esposito
<eesposit@redhat.com> wrote:
>
>
>
> On 5/4/20 11:37 PM, David Rientjes wrote:
> > Since this is becoming a generic API (good!!), maybe we can discuss
> > possible ways to optimize gathering of stats in mass?
>
> Sure, the idea of a binary format was considered from the beginning in
> [1], and it can be done either together with the current filesystem, or
> as a replacement via different mount options.

ASCII stats are not scalable. A binary format is definitely the way to go.