[PATCH v3] ci: support Travis CI's aarch64 builds
Dmitry V. Levin
ldv at altlinux.org
Fri Nov 15 16:13:15 UTC 2019
On Fri, Nov 15, 2019 at 02:18:21PM +0100, Paul Chaignon wrote:
> On Thu, Nov 14, 2019 at 10:20:50PM +0300, Dmitry V. Levin wrote:
> > On Thu, Nov 14, 2019 at 06:37:10PM +0100, Paul Chaignon wrote:
> > > Travis CI now supports aarch64 builds, launched with the new "arch: arm64"
> > > tag. These builds are running inside LXD only for the moment.
> > >
> > > The aarch64 builds tend to be a lot slower than their x86_64 counterparts,
> > > so several timeout values need to be increased. I've also noticed a
> > > smaller performance gain in filter_seccomp-perf.test for some builds.
> > >
> > > Some tests occasionally take more than 10 minutes, hitting Travis CI's
> > > limit on output inactivity. Using "travis_wait 40" removes that limit for
> > > 40 minutes (I've not seen any build last more 40 minutes).
> > It's not quite clear from Travis CI documentation  whether
> > "travis_wait 40" extends the "no output timeout" by extra 40 minutes
> > or it extends the timeout to 40 minutes.
> If I understand the documentation correctly, it's neither: "travis_wait X"
> gives us X minutes during which the "no output timeout" doesn't apply,
> because a background process is writing to the build logs every minute.
> If "travis_wait X" was simply extending the "no output timeout" from 10 to
> X, then we could choose a value lower than 40 (because it's unlikely that
> any single test actually takes 40 minutes).
OK, so "travis_wait 40" essentially delays the moment of starting
"no output timeout" by 40 minutes. Given that the build timeout
is 50 minutes, it effectively turns "no output timeout" off.
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