You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-24 - 04:19
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 Dec 24, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81890rcu_preempt0-21swapper/121:28:431
81840rcu_preempt24810-21ssh00:05:271
81770rcu_preempt24524-1kworker/1:0H21:31:201
89850760irq/17-ehci_hcd12756-21latency_hist23:45:271
81730rcu_preempt1137-1kworker/1:0H21:41:401
81720rcu_preempt7318-21needreboot20:30:481
81720rcu_preempt27888-21apt-get00:10:390
81720rcu_preempt0-21swapper/123:30:181
81720rcu_preempt0-21swapper/119:08:181
81700rcu_preempt16627-21diskmemload00:05:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional