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Subject: Re: [kernfs] ea7c5fc39a: stress-ng.stream.ops_per_sec 11827.2%
 improvement
To:     kernel test robot <rong.a.chen@intel.com>,
        Ian Kent <raven@themaw.net>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Al Viro <viro@zeniv.linux.org.uk>, Tejun Heo <tj@kernel.org>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        David Howells <dhowells@redhat.com>,
        Miklos Szeredi <miklos@szeredi.hu>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        Kernel Mailing List <linux-kernel@vger.kernel.org>,
        lkp@lists.01.org
References: <159038562460.276051.5267555021380171295.stgit@mickey.themaw.net>
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 <5df6bec6f1b332c993474782c08fe8db30bffddc.camel@themaw.net>
 <20200611020657.GI12456@shao2-debian>
From:   Rick Lindsley <ricklind@linux.vnet.ibm.com>
Message-ID: <197fbd55-f702-e84f-2981-e8a3a32e178a@linux.vnet.ibm.com>
Date:   Wed, 10 Jun 2020 19:20:20 -0700
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On 6/10/20 7:06 PM, kernel test robot wrote:
> On Sun, Jun 07, 2020 at 09:13:08AM +0800, Ian Kent wrote:
>
> It seems the result of stress-ng is inaccurate if test time too
> short, we'll increase the test time to avoid unreasonable results,
> sorry for the inconvenience.

Thank you for your response!  I was examining the 25 tests in the 'cpu-cache' class and had nothing but head scratching so far on what could be having that effect.

Rick