Re: [lkp-robot] [sched/idle] bb400b924e: fio.write_clat_95%_us -8% improvement

[Huang, Ying <ying.huang@intel.com>]

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"Li, Aubrey" <aubrey.li@intel.com> writes:

> On Thursday, April 06, 2017 2:27 PM, Ye, Xiaolong wrote:
>> On 04/06, Li, Aubrey wrote:
>> >Hi Xiaolong,
>> >
>> >Thanks to report this. Several questions on my side:
>> >(1) how to make a report between <linux-stable tree tag:4.8.8> and
>> ><fast_idle tree HEAD>
>> 
>> You can queue the same job for linux-stable tree tag:4.8.8 and fast_idle tree
>> HEAD, then get the comparison by `compare` tool in inn server.
>> 
> Can you point me a documentation how to do this?
> Or can you please show me the detailed steps?
>
>> >
>> >(2) Where can I get the raw data of the report
>> 
>> You can get detailed result root @
>> 
>> inn:/result/fio-basic/1SSD-btrfs-300s-8-randwrite-4k-sync-512g-performance/lkp
>> -bdw-ep2/debian-x86_64-2016-08-31.cgz/x86_64-rhel-7.2/gcc-6/bb400b924e0
>> 6e94eb12047621bd70d61564fca4c
>
> This is really a confused report. 
> What I want is the report of HEAD of the tree, not a commit id in the middle of my
> patchset.

That is not report generated by LKP.  You need to compare your HEAD and
BASE by yourself.  There is compare tool in 0day/lkp.

>> >
>> >(3) I need to dig into the test machine bios to confirm if it's
>> >compliant to my expected criteria, how to do that?
>> >
>> 
>> The test machine is lkp-bdw-ep2, you may ssh into it to check?
>> 
>
> ssh is not good enough to me. I need to change the BIOS setting.
> So I need KVM access (screen + keyboard) and root Privilege of that
> machine.

Please don't change BIOS setting if possible, because that will make all
history data usable.  At least, please notify others about changes your
want to make.  And it is better to change less times.

Best Regards,
Huang, Ying