You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-06 - 15:20
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 Wed May 06, 2026 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308412207173,22sleep30-21swapper/307:05:033
326472205172,22sleep00-21swapper/007:05:470
326892204170,23sleep20-21swapper/207:06:222
3032203170,22sleep10-21swapper/107:07:261
139291860,1ptp4l27766-21if_err_enp1s008:05:163
1395918363,11phc2sys0-21swapper/307:10:013
140642530,2sleep1846-21cyclictest12:05:231
11102520,2sleep10-21swapper/111:40:161
135191510,2getstats0-21swapper/312:00:063
117702470,2sleep20-21swapper/209:45:242
850994432,10cyclictest41-21ksoftirqd/310:00:113
139291430,0ptp4l401ktimersoftd/309:21:313
139291430,0ptp4l401ktimersoftd/308:03:333
139291420,1ptp4l401ktimersoftd/307:48:553
139291420,1ptp4l401ktimersoftd/307:32:063
139291420,0ptp4l401ktimersoftd/307:15:013
139291410,1ptp4l401ktimersoftd/309:37:593
139291400,0ptp4l401ktimersoftd/310:30:273
139291400,0ptp4l401ktimersoftd/309:29:213
139291400,0ptp4l401ktimersoftd/307:20:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional