You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-03 - 12:59
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 rackdslot4.osadl.org (updated Sun May 03, 2026 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
258742219158,49sleep20-21swapper/219:08:442
138591206173,22phc2sys0-21swapper/319:08:273
258532205171,23sleep10-21swapper/119:08:271
237572201168,22sleep00-21swapper/019:05:080
2626699717,25cyclictest25171-21needreboot20:10:203
256102710,2sleep00-21swapper/000:30:270
138491640,1ptp4l13019-21unixbench_multi21:55:263
26266996110,28cyclictest16375-21sed19:55:003
26265995719,5cyclictest33-21ksoftirqd/219:10:242
26265995522,5cyclictest33-21ksoftirqd/219:25:142
26265995421,8cyclictest33-21ksoftirqd/221:00:242
26265995421,8cyclictest33-21ksoftirqd/221:00:242
2626599525,6cyclictest33-21ksoftirqd/223:50:252
2626599525,6cyclictest33-21ksoftirqd/222:45:192
2626599515,8cyclictest33-21ksoftirqd/200:25:142
2626599515,6cyclictest33-21ksoftirqd/223:45:142
26265995119,5cyclictest33-21ksoftirqd/219:50:222
26265995119,5cyclictest33-21ksoftirqd/200:05:282
2626599506,8cyclictest33-21ksoftirqd/221:05:202
2626599505,7cyclictest33-21ksoftirqd/221:45:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional