You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-30 - 23:05
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 rackdslot3.osadl.org (updated Mon Mar 30, 2026 12:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491227163,52phc2sys0-21swapper/307:08:223
1725822200,7sleep09706-21kworker/0:007:05:180
181522202169,22sleep10-21swapper/107:05:531
183072201169,21sleep20-21swapper/207:07:542
1580921740,5sleep31877699cyclictest11:30:233
91232560,2sleep10-21swapper/110:10:221
139391510,1ptp4l401ktimersoftd/311:46:433
157502500,2sleep00-21swapper/010:25:170
139391500,0ptp4l401ktimersoftd/307:42:053
139391480,13ptp4l0-21swapper/309:35:133
139391460,10ptp4l0-21swapper/309:10:193
18773994438,3cyclictest19675-21sh10:35:000
139391430,0ptp4l401ktimersoftd/312:25:553
139391430,0ptp4l401ktimersoftd/312:15:193
139391430,0ptp4l401ktimersoftd/308:15:143
139391420,0ptp4l401ktimersoftd/309:32:393
18775994124,5cyclictest33-21ksoftirqd/212:10:282
1877499411,11cyclictest25-21ksoftirqd/111:00:011
139391410,1ptp4l391rcuc/307:15:193
18775994028,9cyclictest33-21ksoftirqd/210:00:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional