You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-23 - 20:40
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 Mon Mar 23, 2026 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106102234167,22sleep20-21swapper/207:07:252
138591229162,22phc2sys0-21swapper/307:08:453
104972201169,22sleep10-21swapper/107:05:561
107032195163,21sleep00-21swapper/007:08:360
11269995815,8cyclictest41-21ksoftirqd/307:49:593
308742560,1sleep10-21swapper/107:49:591
11269995538,14cyclictest41-21ksoftirqd/308:30:003
11269995526,3cyclictest41-21ksoftirqd/307:25:253
11269995525,3cyclictest41-21ksoftirqd/312:30:153
159912540,4sleep215994-21latency_hist10:35:002
11269995424,7cyclictest41-21ksoftirqd/312:20:113
58882530,1sleep30-21swapper/309:10:003
11269995327,7cyclictest41-21ksoftirqd/309:45:143
11269995324,8cyclictest41-21ksoftirqd/310:30:133
11269995320,8cyclictest41-21ksoftirqd/312:10:123
11269995320,7cyclictest41-21ksoftirqd/307:55:123
11269995223,3cyclictest41-21ksoftirqd/311:15:143
11269995221,7cyclictest41-21ksoftirqd/310:05:293
11269995221,4cyclictest41-21ksoftirqd/310:35:163
11269995220,4cyclictest41-21ksoftirqd/309:35:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional