You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-16 - 06:39
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: 50 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 10 highest latencies:
System rack4slot2.osadl.org (updated Sat May 16, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502510,0irq/46-4a10000026730-1kworker/u3:219:00:410
177092896,0sleep017737-21/usr/sbin/munin20:09:310
306492880,0sleep029308-1kworker/u3:022:20:170
7450860,0irq/46-4a10000021457-21tune2fs21:54:420
7350860,0irq/45-4a10000013263-21ntpq21:30:080
289012867,0sleep028902-21cron19:09:180
53692850,0sleep05208-1kworker/u3:021:07:360
7450840,0irq/46-4a1000004332-21sed00:14:370
7450840,0irq/46-4a10000032052-21ntp_states20:50:060
7450840,0irq/46-4a10000024652-21wget23:39:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional