You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-25 - 03:17
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 Wed Mar 25, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770rcu_preempt5437-21grep20:39:351
81750rcu_preempt31318-21ntp_states21:44:581
81750rcu_preempt25089-21munin-run19:49:351
81740rcu_preempt4182-21ssh23:59:501
81740rcu_preempt15595-21ssh23:19:460
81730rcu_preempt25376-21ssh00:41:510
81730rcu_preempt14497-21ssh23:16:290
81720rcu_preempt0-21swapper/121:04:501
81710rcu_preempt22398-21ssh00:35:370
81710rcu_preempt20857-21ssh22:27:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional