You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-06 - 04:56
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 10 highest latencies:
System rackcslot3.osadl.org (updated Thu Aug 06, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81820rcu_preempt0-21swapper/119:18:101
81820rcu_preempt0-21swapper/119:18:101
89950760irq/17-ehci_hcd945-21usb-storage19:17:170
89950760irq/17-ehci_hcd945-21usb-storage19:17:170
81750rcu_preempt25750-21ssh23:53:281
81750rcu_preempt20307-21ssh22:43:330
81740rcu_preempt0-21swapper/021:53:410
81730rcu_preempt6446-21ssh22:18:291
81730rcu_preempt5462-21sh22:15:450
81720rcu_preempt32252-21ssh00:03:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional