From: Mikulas Patocka <mpatocka@redhat.com>
To: "Jayaramappa, Srilakshmi" <sjayaram@akamai.com>
Cc: "yukuai (C)" <yukuai3@huawei.com>,
"axboe@kernel.dk" <axboe@kernel.dk>,
"snitzer@redhat.com" <snitzer@redhat.com>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"Hunt, Joshua" <johunt@akamai.com>,
"ming.lei@redhat.com" <ming.lei@redhat.com>
Subject: Re: Precise disk statistics
Date: Wed, 27 Apr 2022 05:57:29 -0400 (EDT) [thread overview]
Message-ID: <alpine.LRH.2.02.2204270549490.10147@file01.intranet.prod.int.rdu2.redhat.com> (raw)
In-Reply-To: <1651017390610.22782@akamai.com>
> [+ Mikulas and Ming]
>
> I see. Thank you for the response, Kuai, appreciate it.
>
> The conversation here https://lkml.org/lkml/2020/3/24/1870 hints at
> potential improvements to io_ticks tracking.
>
> @Mikulas, Mike, please let us know if you have plans for more accurate
> accounting or if there is some idea we can work on and submit a patch.
I know that the accounting is not accurate, but more accurate accounting
needed a shared atomic variable and it caused performance degradation. So,
we don't plan to improve the accounting.
Mikulas
>
> Thanks
> -Sri
>
>
>
next prev parent reply other threads:[~2022-04-27 10:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1650661324247.40468@akamai.com>
2022-04-25 19:35 ` Precise disk statistics Jayaramappa, Srilakshmi
2022-04-26 6:25 ` yukuai (C)
2022-04-26 23:56 ` Jayaramappa, Srilakshmi
2022-04-27 9:57 ` Mikulas Patocka [this message]
2022-04-27 19:32 ` Josh Hunt
2022-04-28 0:12 ` Ming Lei
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