Re: [Ksummit-discuss] Nominating Fengguang Wu - 0-day

[Fengguang Wu <fengguang.wu@intel.com>]

On Tue, Jul 26, 2016 at 02:26:46PM +0530, Vinod Koul wrote:
>On Tue, Jul 26, 2016 at 11:16:40AM +0300, Laurent Pinchart wrote:
>> Hello,
>>
>> On Tuesday 26 Jul 2016 08:40:07 Vinod Koul wrote:
>> > On Mon, Jul 25, 2016 at 10:23:43PM +0200, Alexandre Belloni wrote:
>> > > On 25/07/2016 at 21:01:25 +0200, Luis R. Rodriguez wrote :
>> > >> It surprises Fengguang Wu <fengguang.wu@intel.com> hasn't been nominated
>> > >> yet, so I'd like to nominate him. The mechanical process should
>> > >> probably include in the future a scrape for top Reported-by
>> > >> contributors.
>> > >
>> > > That's a good point.
>> > >
>> > >> Fengguang's 0-day infrastructure is invaluable to day to day kernel
>> > >> development, having him present would be great for any questions that
>> > >> may come up. Getting a statistical overview / update of impact / any
>> > >> major architectural changes of the 0-day infrastructure would also be
>> > >> very useful. If maintainers are not yet using 0-day it would be great
>> > >> to hear why. If your contributors are not using 0-day (I know some of
>> > >> you exist) I'd like to know why you don't use it, I often run into
>> > >> issues on linux-next which at times I have to fix, if 0-day would have
>> > >> been used a folowup fix would not have been needed.
>> >
>> > I am using it a lot :)
>> >
>> > > Well, I think it would also help to know how the patch/git tree
>> > > selection is done. Lately, I've been receiving less reports from 0-day
>> > > and some issues were found by Arnd's autobuilders after hitting
>> > > linux-next. I used to get report of compilation breakage 10-15 minutes
>> > > after the patch submission.
>>
>> I second that. 0-day is an amazing tool, but relying on it requires developers
>> to trust that the tool will perform its job as expected. A proper
>> understanding of the logic behind patch/git tree selection would be very
>> valuable, as well as how the build bot handles its 500+ kernel configurations.
>
>Agreed, although in his report he does mention the tree used, but would be
>great if the logic is Documented somewhere.

Yeah, sorry the Documentation could be improved.

The 600+ git trees 0-day monitors are tracked here:

https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/tree/repo/linux

Thanks,
Fengguang