Test failed: tracing_eventcounter._eventcounter_eventcounter_._eventcounter_eventcounter_cmd

[VincentBu]

Job:
https://mc.dot.net/#/user/coreclr-jitstress/ci~2Fdotnet~2Fcoreclr~2Frefs~2Fheads~2Fmaster/test~2Ffunctional~2Fcli~2F/20190720.1/workItem/PayloadGroup0/analysis/xunit/tracing_eventcounter._eventcounter_eventcounter_~2F_eventcounter_eventcounter_cmd

Failed tests:
tracing_eventcounter.eventcounter_eventcounter._eventcounter_eventcounter_cmd

Log:

Return code:      1
Raw output file:      C:\\dotnetbuild\\work\\e6bfb5c8-0a30-4063-8edd-7ad678a07066\\Work\\d85874f4-3d1d-4d8d-86ed-dde7ec18df3c\\Exec\\tracing\\eventcounter\\Reports\\tracing.eventcounter\\eventcounter\\eventcounter.output.txt
Raw output:
BEGIN EXECUTION
 \"C:\\dotnetbuild\\work\\e6bfb5c8-0a30-4063-8edd-7ad678a07066\\Payload\\corerun.exe\" eventcounter.exe 
Test Failed - Incorrect mean calculation
Expected: 100
Actual: 1
END EXECUTION - FAILED
FAILED
Test Harness Exitcode is : 1
To run the test:
> set CORE_ROOT=C:\\dotnetbuild\\work\\e6bfb5c8-0a30-4063-8edd-7ad678a07066\\Payload
> C:\\dotnetbuild\\work\\e6bfb5c8-0a30-4063-8edd-7ad678a07066\\Work\\d85874f4-3d1d-4d8d-86ed-dde7ec18df3c\\Exec\\tracing\\eventcounter\\eventcounter\\eventcounter.cmd
Expected: True
Actual:   False

[jorive]

/cc @sywhang

[BruceForstall]

This run was COMPlus_ZapDisable=1

[BruceForstall]

This failed again:

set COMPlus_TieredCompilation=0
set COMPlus_ReadyToRun=0
set COMPlus_ZapDisable=1

https://helix.dot.net/api/2019-06-17/jobs/45ca2bd9-3799-4966-bfa6-56608f2911c7/workitems/PayloadGroup0/console

[BruceForstall]

@sywhang Should you take this one?

[sywhang]

@BruceForstall yes, this is me. Thanks!