You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-15 - 05:57
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot6.osadl.org (updated Mon Jun 15, 2026 00:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2408429624,27sleep00-21swapper/019:06:340
144712930,5sleep014473-21aten2.4-expect23:15:150
24588999119,63cyclictest0-21swapper/019:10:120
275882900,5chrt27591-21netstat19:15:271
2409728926,16sleep10-21swapper/119:06:441
24588998735,46cyclictest30126-21sed22:25:360
24588998665,14cyclictest0-21swapper/021:50:150
228482850,4chrt0-21swapper/120:35:261
24588998425,54cyclictest457-21dbus-daemon20:00:010
2458899798,64cyclictest0-21swapper/022:35:130
2458899795,64cyclictest5030-21apt-get19:45:150
24588997933,40cyclictest29246-21memory19:20:260
24588997925,48cyclictest457-21dbus-daemon21:39:000
2458899789,57cyclictest0-21swapper/022:50:130
2458899786,60cyclictest6864-21apt-get00:25:140
24588997858,10cyclictest14-21ksoftirqd/021:55:130
24588997729,43cyclictest5307-21smartctl21:15:340
2458899772,69cyclictest31742-21taskset19:27:230
24588997723,48cyclictest243-21systemd-journal23:56:110
24588997550,17cyclictest14-21ksoftirqd/021:10:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional