You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-04 - 17:53
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 rackcslot2.osadl.org (updated Fri Sep 04, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
397327057,8sleep10-21swapper/107:03:021
295552690,1sleep00-21swapper/010:06:520
570026654,8sleep00-21swapper/007:07:390
326972650,0sleep10-21swapper/110:10:391
268942600,0sleep00-21swapper/012:18:150
5910993532,2cyclictest636-21nscd10:57:210
5910993416,16cyclictest25140-21kworker/u4:010:00:560
5911993333,0cyclictest0-21swapper/112:16:551
5911993010,0cyclictest0-21swapper/109:16:041
5910993018,11cyclictest0-21swapper/010:48:020
5910992710,16cyclictest0-21swapper/008:28:180
5910992710,11cyclictest0-21swapper/011:50:430
591099270,6cyclictest81ktimersoftd/009:03:150
5910992626,0cyclictest0-21swapper/012:11:390
5910992620,4cyclictest81ktimersoftd/011:43:120
5910992610,7cyclictest0-21swapper/009:40:490
5911992525,0cyclictest0-21swapper/111:48:001
5911992525,0cyclictest0-21swapper/109:47:221
5910992522,0cyclictest0-21swapper/009:22:450
5911992422,0cyclictest0-21swapper/108:21:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional