Hi Daniil,

Do you think it's worth changing the check to an assert instead of removing it?

Also, I'm not clear on the need for the *pkernelLoad initialization. It seems this is attempting to fix a different issue, but it's already initialized to 0 at the start of the function.

thanks,

Chris

On 1/17/20 7:10 PM, Daniil Titov wrote:
Please review a change that removes unnecessary workaround in 
UnixOperatingSystem.c.

It looks as this workaround

if (pticks->usedKernel < tmp.usedKernel) {
         kdiff = 0;
  }

was added to compensate a missed initialization of counters.jvmTicks that 
resulted in the new
counters being compared with the garbage when  get_cpuload_internal(...) was 
called for the first time.

This missed initialization was fixed in [3].

Mach5 tier1-tier3 and open/test/hotspot/jtreg/containers/docker tests 
successfully passed.

[1] Webrev : http://cr.openjdk.java.net/~dtitov/8235681/webrev.01/
[2] Issue: https://bugs.openjdk.java.net/browse/JDK-8235681
[3] https://bugs.openjdk.java.net/browse/JDK-8226575

Thank you,
Daniil



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