[igt-dev] [Intel-gfx] [PATCH i-g-t] tests/perf_pmu: Handle CPU hotplug failures better

Petri Latvala petri.latvala at intel.com
Mon Feb 26 10:03:37 UTC 2018


On Fri, Feb 23, 2018 at 02:20:59PM +0000, Tvrtko Ursulin wrote:
> 
> On 23/02/2018 11:58, Petri Latvala wrote:
> > We have IGT_HANG and IGT_HANG_WITHOUT_RESET so the users can opt
> > in/out of some fatal behaviour already. I'm fine with auto-rebooting,
> > even as the default, if users can opt out of it with
> > IGT_NO_REBOOT_PRETTY_PLEASE or so.
> 
> I am fine with something like that. Just lets define how to call the env
> variable and what the default should be?


IGT_REBOOT_ON_FATAL_ERROR=1, default behaviour is not to reboot?

Tomi, preference?



> Do we have a return code from a test which stops the test runner?
> 
> I am thinking that the best approach would be not to reboot but to halt
> testing, unless this environment option is set.


Yeah, that would be the best out of all the options. Unfortunately
that's not going to materialize in the near future. I have an
implementation of aborting support hacked up on my test machines, but
it's quite ugly and requires hacking deeply into the bowels of piglit.

Piglit is a hammer and we have screws...



-- 
Petri Latvala


> But then it is up to CI people to say if they want to be setting this option
> across all systems, or would actually prefer to reboot by default.
> 
> Regards,
> 
> Tvrtko
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