You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-03 - 04:15
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 03, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81810rcu_preempt8677-21ntp_states22:03:181
81790rcu_preempt0-21swapper/100:42:071
81780rcu_preempt0-21swapper/122:47:431
81770rcu_preempt26411-21ssh22:36:371
81760rcu_preempt0-21swapper/122:50:001
81760rcu_preempt0-21swapper/100:33:111
81750rcu_preempt19-21ksoftirqd/123:11:071
81750rcu_preempt0-21swapper/122:54:451
81740rcu_preempt7934-21munin-run23:02:541
81740rcu_preempt0-21swapper/121:38:121
146650730irq/31-eth0-tx-945-21usb-storage22:13:481
81720rcu_preempt5189-21ssh23:56:500
81720rcu_preempt0-21swapper/023:52:460
81710rcu_preempt21748-21ntp_states21:28:170
81710rcu_preempt0-21swapper/021:58:160
89950700irq/17-ehci_hcd18141-21latency_hist21:22:541
89950700irq/17-ehci_hcd0-21swapper/123:07:541
81700rcu_preempt0-21swapper/022:23:130
81690rcu_preempt28874-21diskmemload23:39:490
81690rcu_preempt0-21swapper/023:59:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional