You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-17 - 12:59
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 rackcslot3.osadl.org (updated Wed Jun 17, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950800irq/17-ehci_hcd0-21swapper/023:24:080
81760rcu_preempt25999-21latency_hist20:29:051
81740rcu_preempt8001-21sh00:19:301
81670rcu_preempt0-21swapper/100:43:271
89950640irq/17-ehci_hcd945-21usb-storage22:24:080
81630rcu_preempt0-21swapper/021:58:320
81620rcu_preempt8130-21ssh22:19:190
81620rcu_preempt19768-21ssh21:39:280
81620rcu_preempt0-21swapper/119:09:081
81620rcu_preempt0-21swapper/021:34:240
81620rcu_preempt0-21swapper/021:28:210
81610rcu_preempt0-21swapper/022:44:090
81610rcu_preempt0-21swapper/021:29:250
81610rcu_preempt0-21swapper/019:29:280
81600rcu_preempt6808-21users19:09:290
81600rcu_preempt11106-21fw_conntrack21:24:211
81600rcu_preempt0-21swapper/019:54:150
81590rcu_preempt2064-21ssh23:08:070
81590rcu_preempt0-21swapper/023:54:220
81590rcu_preempt0-21swapper/022:56:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional