You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-14 - 10:46
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 Fri Aug 14, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81800rcu_preempt6355-21tr23:04:101
81790rcu_preempt26327-21ssh00:44:561
81790rcu_preempt1950-21sshd22:54:221
81760rcu_preempt24143-21latency_hist23:38:561
81760rcu_preempt19-21ksoftirqd/123:57:311
81760rcu_preempt0-21swapper/120:34:161
81760rcu_preempt0-21swapper/119:17:241
81750rcu_preempt28084-21ssh21:40:081
81750rcu_preempt0-21swapper/120:39:191
81750rcu_preempt0-21swapper/100:35:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional