You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-14 - 06:19
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 rackeslot2.osadl.org (updated Thu May 14, 2026 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27923121220,2sleep20-21swapper/221:00:232
5456202740,1sleep0545618-21ssh00:00:060
133046992720,6cyclictest558505-21rt-features00:05:190
133046992514,7cyclictest3851875-21systemd-journal21:40:000
133047992415,5cyclictest0-21swapper/121:30:011
133046992416,7cyclictest0-21swapper/020:20:000
2649091221,2phc2sys0-21swapper/322:25:153
133048992219,1cyclictest0-21swapper/222:00:002
13304899213,8cyclictest0-21swapper/223:50:022
133048992118,1cyclictest0-21swapper/200:20:002
13304699219,4cyclictest3851875-21systemd-journal19:55:000
13304699213,5cyclictest493044-21cut23:25:130
133046992115,1cyclictest383433398rtkit-daemon21:53:030
133046992114,2cyclictest17350irq/127-ahci[0000:00:17.0]22:35:000
133046992114,2cyclictest17350irq/127-ahci[0000:00:17.0]22:35:000
133046992113,7cyclictest339809-21/usr/sbin/munin21:45:200
133046992112,5cyclictest0-21swapper/023:30:160
2649091201,2phc2sys0-21swapper/322:00:023
133048992018,1cyclictest0-21swapper/221:25:002
133048992017,1cyclictest0-21swapper/223:30:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional