You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-22 - 04:35
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 rackdslot3.osadl.org (updated Wed Apr 22, 2026 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491206173,22phc2sys0-21swapper/319:08:083
234992204171,22sleep20-21swapper/219:07:012
234972203172,20sleep00-21swapper/019:06:580
234022201168,22sleep10-21swapper/119:05:511
139491163125,13phc2sys0-21swapper/319:10:013
139391790,1ptp4l401ktimersoftd/320:55:243
53652630,3sleep25368-21fschecks_time23:00:152
24024996124,4cyclictest33-21ksoftirqd/222:40:012
24024996120,4cyclictest33-21ksoftirqd/221:55:252
24024996029,2cyclictest33-21ksoftirqd/219:35:142
24024995926,7cyclictest33-21ksoftirqd/200:20:002
24024995823,2cyclictest33-21ksoftirqd/221:35:282
125932580,4sleep125-21ksoftirqd/121:00:161
24024995729,4cyclictest33-21ksoftirqd/223:45:222
24024995728,8cyclictest33-21ksoftirqd/223:15:002
24024995727,4cyclictest33-21ksoftirqd/223:55:142
24024995626,7cyclictest33-21ksoftirqd/220:20:002
24024995626,3cyclictest33-21ksoftirqd/222:05:002
24024995622,4cyclictest33-21ksoftirqd/223:35:272
24024995524,7cyclictest33-21ksoftirqd/221:05:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional