You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-13 - 00:17
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot4.osadl.org (updated Fri Dec 12, 2025 00:46:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
620307218521835,6sleep0620246-21kworker/0:2+events@
dbs_work_handler
19:07:350
618907211701145,16sleep40-21swapper/419:05:184
6202942367348,9sleep2612294-21kworker/2:3+events@
dbs_work_handler
19:07:302
6188402218195,11sleep3612241-21kworker/3:0+events@
dbs_work_handler
19:05:173
62063899158120,31cyclictest696522-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
21:55:330
6206389913697,31cyclictest689930-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
21:40:330
6206389913697,31cyclictest689930-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
21:40:330
6206389912917,82cyclictest638458-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
20:00:240
620638991262,110cyclictest0-21swapper/021:15:340
620638991262,110cyclictest0-21swapper/021:15:330
6206389912380,36cyclictest752791-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:28:060
62065699122117,2cyclictest0-21swapper/421:55:344
6206389912171,35cyclictest738314-21cat22:10:020
6206389912171,35cyclictest738314-21cat22:10:010
6206389911670,24cyclictest0-21swapper/022:40:220
6206389911667,33cyclictest0-21swapper/022:39:080
6206389911667,33cyclictest0-21swapper/022:39:070
6206389911578,30cyclictest654608-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
20:42:440
6206389911363,32cyclictest0-21swapper/021:35:310
620638991112,75cyclictest0-21swapper/021:25:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional