You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-04 - 10:51
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 rackdslot2.osadl.org (updated Sun Jan 04, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
297982232167,23sleep00-21swapper/019:06:560
300412224197,18sleep20-21swapper/219:09:582
139591209166,31phc2sys0-21swapper/319:06:203
297122202169,22sleep10-21swapper/119:05:471
1314621540,6sleep13033799cyclictest00:09:031
3004428060,11sleep00-21swapper/019:10:000
30339996222,8cyclictest41-21ksoftirqd/320:45:193
236462580,1sleep00-21swapper/021:10:140
129302580,1sleep10-21swapper/120:45:241
139291570,1ptp4l401ktimersoftd/322:25:243
30339995622,4cyclictest41-21ksoftirqd/323:30:013
139291560,1ptp4l401ktimersoftd/323:40:153
30339995524,3cyclictest41-21ksoftirqd/322:05:213
30339995521,4cyclictest41-21ksoftirqd/300:05:003
30339995521,4cyclictest41-21ksoftirqd/300:05:003
30339995520,8cyclictest41-21ksoftirqd/300:15:153
139291550,1ptp4l401ktimersoftd/321:45:233
30339995421,8cyclictest41-21ksoftirqd/323:20:153
139291540,1ptp4l401ktimersoftd/322:42:293
30339995324,7cyclictest41-21ksoftirqd/319:15:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional