You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-12 - 11:08
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 10 highest latencies:
System rack3slot4.osadl.org (updated Sat Jul 12, 2025 00:47:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4123143991383,99cyclictest4116726-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
19:15:170
4123143991383,99cyclictest4116726-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
19:15:170
412315099129115,7cyclictest182994-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
00:18:431
41231439912321,87cyclictest0-21swapper/023:35:310
412315299121107,7cyclictest103248-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
23:12:593
41231439911928,58cyclictest30877-21kworker/u12:4+events_unbound@
flush_memcg_stats_dwork
22:08:550
41231439911928,58cyclictest30877-21kworker/u12:4+events_unbound@
flush_memcg_stats_dwork
22:08:540
4123143991188,100cyclictest0-21swapper/021:36:420
412315899116110,3cyclictest0-21swapper/400:03:214
412315899116110,3cyclictest0-21swapper/400:03:204
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional