You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-07-13 - 20:49
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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack0slot7.osadl.org (updated Sat Jul 13, 2024 00:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31865502202184,8sleep70-21swapper/719:08:4213
31862952200184,8sleep100-21swapper/1019:06:052
31739552195188,4sleep80-21swapper/819:05:1414
31866072190169,11sleep30-21swapper/319:09:269
31864442190151,10sleep130-21swapper/1319:07:435
31866052187167,10sleep10-21swapper/119:09:241
31864422187168,10sleep110-21swapper/1119:07:423
31863102187167,10sleep50-21swapper/519:06:1611
31863792185179,3sleep90-21swapper/919:06:5115
31865912173154,9sleep40-21swapper/419:09:1110
31864622171152,9sleep120-21swapper/1219:07:594
31865492155135,10sleep60-21swapper/619:08:4112
31863872140115,17sleep00-21swapper/019:06:580
3186656212997,29sleep150-21swapper/1519:09:547
3186655211989,28sleep140-21swapper/1419:09:536
318647226550,6sleep20-21swapper/219:08:048
318710499560,26cyclictest0-21swapper/022:20:250
318716299540,29cyclictest0-21swapper/1500:25:267
318716299530,24cyclictest0-21swapper/1523:46:007
318716299500,22cyclictest0-21swapper/1519:29:147
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional