You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-02 - 09:51
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 Sun Aug 02, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71932245200,34sleep20-21swapper/219:05:592
138591226183,33phc2sys0-21swapper/319:09:583
73592204171,22sleep10-21swapper/119:08:031
73532204170,22sleep00-21swapper/019:07:580
1818721640,3sleep218189-21fschecks_count19:30:142
31622580,2sleep30-21swapper/300:25:133
59862570,6sleep1780299cyclictest20:10:201
780199553,2cyclictest0-21swapper/021:20:470
138491550,1ptp4l401ktimersoftd/320:07:563
193872540,2sleep20-21swapper/222:45:272
780299492,44cyclictest22421-21idleruntime-cro21:50:011
10692470,2sleep20-21swapper/221:05:172
7802994639,4cyclictest29723-21sh23:10:001
7801994611,26cyclictest14852-21seq19:23:250
7801994510,26cyclictest31924-21seq23:11:570
780199449,25cyclictest12528-21seq20:23:270
138491440,0ptp4l401ktimersoftd/322:25:233
7801994329,11cyclictest9-21ksoftirqd/020:41:590
206252430,2sleep00-21swapper/023:55:170
138491430,0ptp4l401ktimersoftd/323:05:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional