You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-08 - 00:20
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 Fri Nov 07, 2025 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136691207174,22phc2sys0-21swapper/307:06:513
148612205171,23sleep10-21swapper/107:09:511
127442205172,22sleep00-21swapper/007:05:110
146252204170,23sleep20-21swapper/207:06:532
3186021340,7sleep01516699cyclictest10:00:010
136591870,1ptp4l16962-21ls11:40:263
250462660,1sleep00-21swapper/008:35:240
19682640,7sleep11516799cyclictest10:05:111
126842600,6sleep31516999cyclictest09:20:003
136591560,1ptp4l401ktimersoftd/308:50:003
21492510,1sleep20-21swapper/207:50:132
21492510,1sleep20-21swapper/207:50:132
136591510,1ptp4l401ktimersoftd/312:25:263
15169994942,4cyclictest27147-21sh12:05:003
136591430,0ptp4l401ktimersoftd/311:00:323
136591420,1ptp4l401ktimersoftd/308:23:073
136591420,1ptp4l401ktimersoftd/308:23:073
136591420,0ptp4l401ktimersoftd/309:25:313
15167994135,3cyclictest25-21ksoftirqd/112:40:011
51698390,4rtkit-daemon15564-21diskstats09:25:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional