On 04/25/2018 11:30 PM, Alex Bennée wrote: > > Richard Henderson <richard.hender...@linaro.org> writes: > >> On 04/24/2018 05:24 AM, Alex Bennée wrote: >>> +run-%: % >>> + $(call quiet-command, $(QEMU) $< > $<.out, "TEST", "$< on >>> $(TARGET_NAME)") >> >> I've just had an x86_64 guest test run for 70 minutes. We need to limit the >> amount of time spent here in some way, with excessive time reported as test >> failure. >> >> One potential way would be to add "ulimit -t $TIMEOUT" to the subshell before >> running qemu. A default TIMEOUT might be e.g. 15 seconds. I'm not sure what >> we should expect for the largest test on the smallest hosts... > > Sounds reasonable - test-i386-fprem is probably the longest - I'm not > sure it needs to be so exhaustive.
Better, not via ulimit but via something that measures wall time. That way we don't stall on e.g. a locked mutex when the child isn't spinning in a loop as it was here. I'd guess a small python script would be most maintainable... r~