You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-21 - 22:14
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.

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 rackeslot4.osadl.org (updated Fri Nov 21, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3572845994745,1cyclictest3841739-21fwupd11:03:130
3572851992927,1cyclictest3520054-21kworker/2:2+pm11:03:142
357285399271,23cyclictest0-21swapper/307:25:103
357285199270,25cyclictest3635224-21sed08:10:142
3572845992724,2cyclictest521-21systemd-logind12:25:000
357285399262,20cyclictest3624315-21apt-get08:00:133
357285399261,23cyclictest3798750-21taskset10:30:143
357285399261,22cyclictest3654826-21taskset08:30:133
357285399261,22cyclictest3654826-21taskset08:30:123
357285399261,21cyclictest3747970-21apt-get09:50:123
357285399260,23cyclictest0-21swapper/308:20:123
357284599263,3cyclictest3950282-21sh12:30:150
357285399252,20cyclictest3880466-21apt-get11:35:123
357285399251,2cyclictest0-21swapper/309:15:103
357285399251,22cyclictest0-21swapper/310:15:123
357285399251,21cyclictest0-21swapper/309:45:113
357285399250,5cyclictest3660833-21tr08:35:163
357285399250,4cyclictest3948258-21ssh12:25:243
357285399250,2cyclictest0-21swapper/308:40:133
357285399250,23cyclictest3608383-21cron07:45:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional