You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-12 - 09:05
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 Jan 12, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
253652206173,22sleep10-21swapper/119:08:271
254542205170,23sleep30-21swapper/319:09:383
254262203170,22sleep00-21swapper/019:09:160
254482199166,22sleep20-21swapper/219:09:342
25930995811,12cyclictest19580-21kworker/3:120:22:333
2593099560,22cyclictest13215-21taskset00:19:013
139391520,1ptp4l391rcuc/300:06:133
25929994336,4cyclictest493-21cron19:25:002
25926994236,3cyclictest26773-21irqrtprio21:25:180
139391420,0ptp4l401ktimersoftd/322:38:383
139391420,0ptp4l401ktimersoftd/321:06:043
139391420,0ptp4l401ktimersoftd/320:44:013
139391420,0ptp4l401ktimersoftd/319:54:353
25930994136,3cyclictest11307-21sshd20:51:253
25926994136,3cyclictest9-21ksoftirqd/021:40:010
139391410,0ptp4l401ktimersoftd/320:10:363
139391410,0ptp4l401ktimersoftd/320:00:053
2593099400,24cyclictest315482chrt22:43:593
25927994035,3cyclictest25-21ksoftirqd/123:20:011
25926994035,3cyclictest9-21ksoftirqd/020:40:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional