You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-22 - 20:48
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 rack8slot4.osadl.org (updated Wed Apr 22, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24393642248177,23sleep70-21swapper/707:09:227
24392962246179,52sleep40-21swapper/407:08:234
24391172234174,19sleep30-21swapper/307:05:483
24393362224168,18sleep60-21swapper/607:08:576
24391372221186,23sleep50-21swapper/507:06:065
24392162220186,22sleep10-21swapper/107:07:151
24391412217185,21sleep00-21swapper/007:06:090
24391432213182,19sleep20-21swapper/207:06:112
243963299370,33cyclictest3986178-21systemd-journal08:39:563
243963699350,34cyclictest2442543-21latency_hist07:15:014
243964099330,5cyclictest0-21swapper/511:00:125
243964099330,32cyclictest2582595-21idleruntime-cro11:25:015
243964699322,29cyclictest18-1pr/ttyS008:35:017
2439640993228,3cyclictest18-1pr/ttyS008:05:015
243963699321,30cyclictest2468157-21cron08:00:014
243963699321,30cyclictest2468157-21cron08:00:014
243963299320,30cyclictest2516032-21apt-get09:25:133
243963299320,28cyclictest0-21swapper/310:35:123
243963299320,28cyclictest0-21swapper/307:15:123
243963299320,1cyclictest2588599-21apt-get11:35:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional