Found also on: d2021.10.26/jammy/linux-realtime/5.15.0-1003.3
Similar to lp:1943732
** Tags added: 5.15 hinted jammy
** Tags added: ubuntu-ltp
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: Invalid
** Changed in: linux (Ubuntu Jammy)
Status: Invalid => Confirmed
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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:
Confirmed
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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