From: Christoph Hellwig <hch@lst.de>
To: kernel test robot <oliver.sang@intel.com>
Cc: Christoph Hellwig <hch@lst.de>,
oe-lkp@lists.linux.dev, lkp@intel.com,
linux-kernel@vger.kernel.org, Keith Busch <kbusch@kernel.org>,
Max Gurtovoy <mgurtovoy@nvidia.com>,
linux-nvme@lists.infradead.org, ying.huang@intel.com,
feng.tang@intel.com, fengwei.yin@intel.com
Subject: Re: [linus:master] [nvme] 63dfa10043: fsmark.files_per_sec 6.4% improvement
Date: Sun, 17 Mar 2024 21:36:45 +0100 [thread overview]
Message-ID: <20240317203645.GB5975@lst.de> (raw)
In-Reply-To: <202403151552.e3809b61-oliver.sang@intel.com>
On Fri, Mar 15, 2024 at 04:21:13PM +0800, kernel test robot wrote:
>
>
> Hello,
>
> kernel test robot noticed a 6.4% improvement of fsmark.files_per_sec on:
>
>
> commit: 63dfa1004322d596417f23da43cdc43cf6298c71 ("nvme: move NVME_QUIRK_DEALLOCATE_ZEROES out of nvme_config_discard")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>
> testcase: fsmark
> test machine: 96 threads 2 sockets Intel(R) Xeon(R) Platinum 8260L CPU @ 2.40GHz (Cascade Lake) with 128G memory
> parameters:
That is kinda odd and unexpected. Is this system using one of the old
Intel SSDs that this quirk is actually used for?
next prev parent reply other threads:[~2024-03-17 20:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-15 8:21 [linus:master] [nvme] 63dfa10043: fsmark.files_per_sec 6.4% improvement kernel test robot
2024-03-17 20:36 ` Christoph Hellwig [this message]
2024-03-19 2:49 ` Oliver Sang
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