You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-15 - 04:38
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 Sun Mar 15, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1479501060irq/31-eth0-tx-181ktimersoftd/122:15:351
81850rcu_preempt19-21ksoftirqd/121:50:421
89850810irq/17-ehci_hcd945-21usb-storage00:42:591
81810rcu_preempt0-21swapper/121:48:191
81790rcu_preempt0-21swapper/122:24:391
81780rcu_preempt7521-21ssh21:35:531
89050760irq/17-ehci_hcd945-21usb-storage21:20:300
81760rcu_preempt9509-21latency_hist20:04:081
81750rcu_preempt7129-21cpuspeed19:54:201
81750rcu_preempt4604-21diskstats23:34:240
81740rcu_preempt12012-21sh23:49:021
81730rcu_preempt9145-21ssh23:43:211
81730rcu_preempt31438-21ssh00:28:180
81730rcu_preempt13719-21/usr/sbin/munin21:49:080
81720rcu_preempt24469-1kworker/0:0H00:18:010
81720rcu_preempt22924-21ssh00:09:231
81720rcu_preempt13219-21sshd20:14:381
81720rcu_preempt0-21swapper/120:09:081
81720rcu_preempt0-21swapper/100:24:341
81710rcu_preempt24063-21diskmemload22:08:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional