You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-19 - 01:53
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
Characteristics of the 20 highest latencies:
System rackcslot6.osadl.org (updated Tue Nov 18, 2025 12:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30418998916,38cyclictest0-21swapper/007:53:130
30418998915,41cyclictest0-21swapper/011:43:130
30418998816,38cyclictest0-21swapper/008:28:130
30437998716,38cyclictest0-21swapper/210:13:122
30429998616,37cyclictest0-21swapper/107:28:131
30418998517,36cyclictest0-21swapper/008:48:130
3005428543,13sleep20-21swapper/207:07:322
3018128443,12sleep30-21swapper/307:09:193
3001328442,13sleep60-21swapper/607:06:566
30474998333,35cyclictest0-21swapper/710:33:137
30418998314,38cyclictest0-21swapper/008:13:130
30429998216,36cyclictest0-21swapper/109:48:121
2874028262,18sleep50-21swapper/507:05:175
30429997816,34cyclictest0-21swapper/111:08:121
1356142780,0sleep20-21swapper/209:55:122
1427192770,0sleep60-21swapper/610:05:186
216999760,34rtkit-daemon0-21swapper/007:07:490
30474997527,13cyclictest0-21swapper/712:18:137
30418997429,35cyclictest0-21swapper/009:58:130
2991527246,13sleep40-21swapper/407:05:344
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional