canonical-ubuntu-qa team mailing list archive

[Po-Hsu Lin <1947016@xxxxxxxxxxxxxxxxxx>]

** Tags removed: ubuntu-kernel-selftests ubuntu-ltp
** Tags added: ubuntu-ltp-kernel-misc

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https://bugs.launchpad.net/bugs/1947016

Title:
  cpufreq_boost from ubuntu_ltp.kernel_misc failed with hirsute/linux-
  realtime

Status in ubuntu-kernel-tests:
  New
Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Hirsute:
  Won't Fix
Status in linux source package in Jammy:
  Confirmed

Bug description:
  cpufreq_boost from ubuntu_ltp.kernel_misc failed with hirsute/linux-
  realtime 5.11.0-27.28 on amd64 nodes. This test seems to be flaky as
  it doesn't fail consistently.

  07:34:27 DEBUG| [stdout] startup='Tue Oct 12 07:21:09 2021'
  07:34:27 DEBUG| [stdout] cpufreq_boost    0  TINFO  :  found 'intel_pstate' driver, sysfs knob '/sys/devices/system/cpu/intel_pstate/no_turbo'
  07:34:27 DEBUG| [stdout] cpufreq_boost    0  TINFO  :  maximum speed is 3000000 KHz
  07:34:27 DEBUG| [stdout] cpufreq_boost    0  TINFO  :  load CPU0 with boost enabled
  07:34:27 DEBUG| [stdout] cpufreq_boost    0  TINFO  :  elapsed time is 1588 ms
  07:34:27 DEBUG| [stdout] cpufreq_boost    0  TINFO  :  load CPU0 with boost disabled
  07:34:27 DEBUG| [stdout] cpufreq_boost    0  TINFO  :  elapsed time is 1543 ms
  07:34:27 DEBUG| [stdout] cpufreq_boost    1  TFAIL  :  cpufreq_boost.c:189: compare time spent with and without boost (-2%)
  07:34:27 DEBUG| [stdout] tag=cpufreq_boost stime=1634023269 dur=4 exit=exited stat=1 core=no cu=303 cs=0

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