Re: [Buildroot] [PATCH 1/1] support/testing: improve weston test reliablity

[Peter Korsgaard <peter@korsgaard.com>]

>>>>> "Julien" == Julien Olivain <ju.o@free.fr> writes:

 > The weston runtime test is unreliable, depending on the execution speed
 > of its runner. Example of failure is [1], and success is [2]. This
 > commit improves the test in several ways, to make it more robust to
 > execution speed variations:

 > - The command started in background (weston, weston-simple-egl) are
 >   now started in a subshell. This suppresses the job control messages
 >   when they are stopped. Those messages could interfere with the parsing
 >   of the output;

 > - Wait time are moved outside the emulator;

 > - The kernel argument vt.global_cursor_default=0 is added, to make sure
 >   cursors are globally disabled, since the test use vkms display CRCs;

 > - The memory of the emulator is increased to 512M. This test uses cpio
 >   initramfs, and the filesystem size increased;

 > - The vkms driver emulates a "vsync" event, but can generate a warning
 >   when the system is too slow. This warning is printed on the console by
 >   the klogd daemon in its default configuration. This commit adds the
 >   overlay file /etc/default/klogd to limit only kernel emergency
 >   messages to be printed on the console. This change fixes the failure
 >   seen in [1] ;

 > - Some sleep time values were adjusted to run on a "performant" idle
 >   host. Those values are not suitable in all situations. In the
 >   meantime a generic retry mechanism is added in the test infra, this
 >   commit adds a retry logic inspired from the test_flutter runtime
 >   test.

 > Fixes: [1]

 > [1] https://gitlab.com/buildroot.org/buildroot/-/jobs/8562483474
 > [2] https://gitlab.com/buildroot.org/buildroot/-/jobs/8435236652

 > Signed-off-by: Julien Olivain <ju.o@free.fr>

Committed, thanks.

-- 
Bye, Peter Korsgaard
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