You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-15 - 15:51
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 rackdslot4.osadl.org (updated Sat Aug 15, 2026 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
496422300,5sleep20-21swapper/207:05:232
56142203169,22sleep10-21swapper/107:08:041
55042203169,22sleep00-21swapper/007:06:380
138591202167,23phc2sys0-21swapper/307:05:053
57702161122,13sleep10-21swapper/107:10:011
115421460,6sleep2606699cyclictest11:20:142
115421460,6sleep2606699cyclictest11:20:142
6065996631,7cyclictest25-21ksoftirqd/109:25:011
138491660,1ptp4l401ktimersoftd/312:20:483
6065996429,6cyclictest25-21ksoftirqd/108:40:141
138491640,0ptp4l401ktimersoftd/310:19:193
6065996222,4cyclictest25-21ksoftirqd/107:20:191
6065996034,4cyclictest25-21ksoftirqd/111:25:171
6065996033,3cyclictest25-21ksoftirqd/111:00:231
6065996030,10cyclictest25-21ksoftirqd/110:10:211
6065995933,3cyclictest25-21ksoftirqd/107:45:231
6065995919,9cyclictest25-21ksoftirqd/109:40:181
6067995840,15cyclictest15511-21cron10:44:593
6065995831,4cyclictest25-21ksoftirqd/111:15:191
6065995829,7cyclictest25-21ksoftirqd/111:21:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional