On 2/21/19 1:22 PM, dave engvall wrote:
It rarely crashes in the middle of a run but upon shutdown of linuxcnc
shows excessive times for task. Typically a list of times in the range
of .1 to .14 sec.
Task can be set to 0.01 as per ancient .ini or 0.001 as in more recent
.ini's. Makes no difference. Hyperthreading is disabled. but all other
bios settings are defaults.
Any idea what is stepping on task. SWAGS are encouraged. :-)
It's nothing to worry about, it was added to track certain kinds of
spurious test failures on the buildbot.
Task is one of the non-realtime parts of LinuxCNC (on purpose), but some
tests occasionally impose their own timing requirements on Task to do
things for them. (This is arguably a bug in how those tests are
written.) These Task timing issues are especially problematic on the
anemic virtual machines that run the buildbot.
I remember when i added that timing debug output to Task, Chris Radek in
his wisdom warned me that it would be misleading for our users, and I
see now that he was right. Sorry!
--
Sebastian Kuzminsky
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