You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-28 - 07:31
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 Fri Nov 28, 2025 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
79950780irq/19-0000:00:16253-21/usr/sbin/munin19:05:100
81730rcu_preempt19-21ksoftirqd/123:38:591
81730rcu_preempt0-21swapper/119:05:031
81700rcu_preempt0-21swapper/023:30:030
81690rcu_preempt20709-21sh21:18:500
81690rcu_preempt0-21swapper/019:45:010
81680rcu_preempt24009-21irqstats22:25:080
81680rcu_preempt10951-21memory22:00:080
81680rcu_preempt0-21swapper/022:33:510
81680rcu_preempt0-21swapper/021:40:380
81660rcu_preempt12822-21munin-run20:59:490
81660rcu_preempt0-21swapper/120:56:351
81660rcu_preempt0-21swapper/100:01:461
81660rcu_preempt0-21swapper/023:24:520
81660rcu_preempt0-21swapper/022:10:070
81650rcu_preempt27109-21ssh00:35:080
81650rcu_preempt0-21swapper/123:11:351
81650rcu_preempt0-21swapper/100:35:191
81640rcu_preempt0-21swapper/123:25:211
81640rcu_preempt0-21swapper/119:35:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional