You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-03 - 02:15
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 rack5slot2.osadl.org (updated Sat May 03, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57402203187,11sleep10-21swapper/119:08:001
34402184167,12sleep30-21swapper/319:05:023
36822183166,12sleep00-21swapper/019:05:100
58432176159,12sleep20-21swapper/219:09:212
60472520,0sleep20-21swapper/221:44:342
68042420,0sleep10-21swapper/122:00:221
317442390,0sleep10-21swapper/122:30:001
233012100,0sleep10-21swapper/123:14:481
31729290,0sleep10-21swapper/100:24:311
60649960,5cyclictest0-21swapper/220:05:152
60589960,6cyclictest0-21swapper/000:13:150
60589960,1cyclictest9409-21ssh22:50:300
60589960,1cyclictest0-21swapper/000:38:070
60589960,1cyclictest0-21swapper/000:06:240
60589960,1cyclictest0-21swapper/000:01:000
60689952,3cyclictest30997-21snmpd00:33:073
60689950,5cyclictest0-21swapper/322:25:093
60689950,5cyclictest0-21swapper/322:05:303
60689950,5cyclictest0-21swapper/321:52:003
60689950,5cyclictest0-21swapper/321:44:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional