You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-06-28 - 23:30
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 rack5slot0.osadl.org (updated Sat Jun 28, 2025 12:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1873321890,4sleep22940299cyclictest09:43:142
1719121400,0sleep217186-21rm10:06:192
1470921370,2sleep314697-21sshd11:43:503
1322521340,4sleep32940399cyclictest09:52:293
1058821340,2sleep30-21swapper/309:39:053
1214821200,1sleep02940099cyclictest09:52:220
673321170,2sleep10-21swapper/110:08:411
2459521160,1sleep20-21swapper/212:20:292
848321140,1sleep20-21swapper/212:39:172
2726821140,2sleep30-21swapper/311:21:433
3198021080,2sleep21847-21nfsd11:12:162
2256621040,1sleep122567-21sshd11:34:441
214221040,2sleep02940099cyclictest11:32:290
2966721010,2sleep229666-21sshd12:18:092
2299021010,1sleep022988-21sshd12:34:500
274612980,0sleep11847-21nfsd09:47:221
168812960,2sleep316880-21sshd09:43:023
24552950,2sleep20-21swapper/211:29:152
19122950,2sleep11911-21sshd10:38:351
139362930,2sleep213932-21sshd11:17:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional