linux-kernel - Re: [mm] e6e88712e4: stress-ng.tmpfs.ops_per

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Date:   Fri, 30 Oct 2020 13:17:11 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     kernel test robot <rong.a.chen@...el.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Huang Ying <ying.huang@...el.com>,
        Hugh Dickins <hughd@...gle.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Matthew Auld <matthew.auld@...el.com>,
        William Kucharski <william.kucharski@...cle.com>,
        Qian Cai <cai@...hat.com>, LKML <linux-kernel@...r.kernel.org>,
        lkp@...ts.01.org, lkp@...el.com, feng.tang@...el.com,
        zhengjun.xing@...el.com
Subject: Re: [mm] e6e88712e4: stress-ng.tmpfs.ops_per_sec -69.7% regression

On Fri, Oct 30, 2020 at 03:17:15PM +0800, kernel test robot wrote:
> Details are as below:
> -------------------------------------------------------------------------------------------------->
> 
> 
> To reproduce:
> 
>         git clone https://github.com/intel/lkp-tests.git
>         cd lkp-tests
>         bin/lkp install job.yaml  # job file is attached in this email
>         bin/lkp run     job.yaml

Do you actually test these instructions before you send them out?

hdd_partitions: "/dev/disk/by-id/ata-WDC_WD2500BEKT-00PVMT0_WD-WX11A23L4840-part
1"
ssd_partitions: "/dev/nvme1n1p1 /dev/nvme0n1p1"
rootfs_partition: "/dev/disk/by-id/ata-INTEL_SSDSC2CW240A3_CVCV204303WP240CGN-part1"

That's _very_ specific to a given machine.  I'm not familiar with
this test, so I don't know what I need to change.

[snipped 4000 lines of gunk]