[PATCH v3] ci: support Travis CI's aarch64 builds

[Dmitry V. Levin]

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 [1] whether
"travis_wait 40" extends the "no output timeout" by extra 40 minutes
or it extends the timeout to 40 minutes.

By the way, there is another build timeout described in Travis CI
documentation [2]: build job is terminated when it takes longer than 50
minutes.

I've actually seen this 50 minutes timeout in strace builds when I tried
to update Travis CI configuration from Trusty to Xenial [3] or Bionic [4].

[1] https://docs.travis-ci.com/user/common-build-problems/#build-times-out-because-no-output-was-received
[2] https://docs.travis-ci.com/user/customizing-the-build/#build-timeouts
[3] https://travis-ci.org/strace/strace/builds/603208391
[4] https://travis-ci.org/strace/strace/builds/603257898


-- 
ldv
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