You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-17 - 01:40
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 Tue Jun 16, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81870rcu_preempt3-21ksoftirqd/011:03:110
89950760irq/17-ehci_hcd0-21swapper/111:14:521
81740rcu_preempt0-21swapper/007:09:180
81690rcu_preempt0-21swapper/110:55:441
81690rcu_preempt0-21swapper/107:09:161
81680rcu_preempt0-21swapper/109:19:321
81670rcu_preempt0-21swapper/110:30:131
81670rcu_preempt0-21swapper/108:44:201
81670rcu_preempt0-21swapper/107:54:261
81660rcu_preempt18004-21ssh12:32:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional