You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-27 - 07:32
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot6.osadl.org (updated Mon Apr 27, 2026 00:45:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5837999646,21cyclictest14-21ksoftirqd/000:20:160
535629133,47sleep10-21swapper/119:07:001
5837999047,30cyclictest14-21ksoftirqd/019:40:220
5848998431,47cyclictest26-21ksoftirqd/120:10:371
583799836,67cyclictest19024-21apt-get21:15:150
5837998245,15cyclictest14-21ksoftirqd/019:50:310
5837998244,23cyclictest14-21ksoftirqd/023:45:150
5848998062,11cyclictest26-21ksoftirqd/123:50:121
5848998062,11cyclictest26-21ksoftirqd/123:50:121
584899804,22cyclictest26-21ksoftirqd/120:55:341
554327919,51sleep00-21swapper/019:09:000
5837997844,22cyclictest14-21ksoftirqd/022:10:160
5837997841,23cyclictest14-21ksoftirqd/020:31:590
5837997813,8cyclictest151rcu_preempt20:50:010
5837997647,14cyclictest14-21ksoftirqd/019:10:300
5837997546,16cyclictest14-21ksoftirqd/000:27:040
5837997545,24cyclictest14-21ksoftirqd/000:00:190
5848997355,12cyclictest26-21ksoftirqd/123:25:131
5837997343,15cyclictest14-21ksoftirqd/020:35:200
5837997339,23cyclictest14-21ksoftirqd/022:23:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional