From: Christoph Hellwig <hch@lst.de>
To: kernel test robot <oliver.sang@intel.com>
Cc: Matthew Wilcox <willy@infradead.org>,
oe-lkp@lists.linux.dev, lkp@intel.com,
linux-kernel@vger.kernel.org,
Anna Schumaker <Anna.Schumaker@netapp.com>,
Christoph Hellwig <hch@lst.de>,
Shaun Tancheff <shaun.tancheff@hpe.com>,
Sagi Grimberg <sagi@grimberg.me>,
linux-fsdevel@vger.kernel.org, ying.huang@intel.com,
feng.tang@intel.com, fengwei.yin@intel.com
Subject: Re: [linus:master] [filemap] 9aac777aaf: phoronix-test-suite.iozone.1MB.512MB.WritePerformance.mb_s -14.0% regression
Date: Wed, 24 Jul 2024 16:44:22 +0200 [thread overview]
Message-ID: <20240724144422.GA13505@lst.de> (raw)
In-Reply-To: <202407242232.9109947e-oliver.sang@intel.com>
On Wed, Jul 24, 2024 at 10:40:33PM +0800, kernel test robot wrote:
>
>
> Hello,
>
> kernel test robot noticed a -14.0% regression of phoronix-test-suite.iozone.1MB.512MB.WritePerformance.mb_s on:
>
>
> commit: 9aac777aaf9459786bc8463e6cbfc7e7e1abd1f9 ("filemap: Convert generic_perform_write() to support large folios")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
This is really weird as it shouldn't make a different for file systems
not using large folios. What file system is this test run with?
prev parent reply other threads:[~2024-07-24 14:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-24 14:40 [linus:master] [filemap] 9aac777aaf: phoronix-test-suite.iozone.1MB.512MB.WritePerformance.mb_s -14.0% regression kernel test robot
2024-07-24 14:44 ` Christoph Hellwig [this message]
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