You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-07 - 14:12
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 Tue Jul 07, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491227164,51phc2sys0-21swapper/319:06:153
139491227164,51phc2sys0-21swapper/319:06:153
150172203169,22sleep00-21swapper/019:06:290
150172203169,22sleep00-21swapper/019:06:290
149942203169,22sleep20-21swapper/219:06:112
149942203169,22sleep20-21swapper/219:06:112
149412201168,22sleep10-21swapper/119:05:301
149412201168,22sleep10-21swapper/119:05:301
611121490,7sleep31559199cyclictest22:15:193
139391750,1ptp4l391rcuc/322:10:233
149332630,3sleep3391rcuc/322:35:013
1559199548,44cyclictest12631-21kworker/3:120:41:333
1559199547,45cyclictest6011-21kworker/3:023:12:133
139391450,2ptp4l0-21swapper/300:30:353
15588994439,3cyclictest32600-21turbostat.cron22:05:000
139391430,0ptp4l401ktimersoftd/320:20:283
139391430,0ptp4l401ktimersoftd/300:18:433
1558999423,9cyclictest25-21ksoftirqd/123:10:181
139391420,0ptp4l401ktimersoftd/321:30:243
15589994036,3cyclictest25-21ksoftirqd/119:20:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional