You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-18 - 22:27
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 Tue Aug 18, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591205174,20phc2sys0-21swapper/307:06:033
170202203171,21sleep20-21swapper/207:05:512
170232202167,23sleep00-21swapper/007:05:540
170192200167,22sleep10-21swapper/107:05:511
586821330,2sleep31764099cyclictest10:00:193
1734628261,11sleep10-21swapper/107:10:011
113362690,2sleep30-21swapper/310:10:273
1385916045,8phc2sys0-21swapper/307:10:013
138491580,1ptp4l401ktimersoftd/309:39:523
55572550,1sleep20-21swapper/212:10:162
17638995320,4cyclictest25-21ksoftirqd/109:35:001
17638995121,4cyclictest25-21ksoftirqd/110:30:231
17638995121,4cyclictest25-21ksoftirqd/110:30:231
17638995121,3cyclictest25-21ksoftirqd/109:20:181
82222500,4sleep11763899cyclictest07:55:161
17638994814,8cyclictest25-21ksoftirqd/111:40:001
17638994720,8cyclictest25-21ksoftirqd/108:20:221
17638994716,4cyclictest25-21ksoftirqd/107:50:191
147742470,2sleep314777-21cpuspeed10:20:133
17638994618,4cyclictest25-21ksoftirqd/111:20:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional