You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-15 - 00:44
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 14, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt29559-21/usr/sbin/munin07:05:201
81740rcu_preempt0-21swapper/007:05:210
81730rcu_preempt330-1kworker/1:1H09:43:021
81710rcu_preempt10498-1kworker/0:0H09:11:020
81700rcu_preempt28207-21df_abs10:05:101
81700rcu_preempt10498-1kworker/0:0H10:30:410
81700rcu_preempt0-21swapper/109:05:111
81690rcu_preempt0-21swapper/112:00:131
81690rcu_preempt0-21swapper/012:30:200
81670rcu_preempt22073-21if_err_can110:50:171
81670rcu_preempt0-21swapper/109:51:571
81660rcu_preempt9493-21ssh09:32:170
81660rcu_preempt6296-21munin-run11:19:581
81660rcu_preempt5695-21ps09:25:221
81660rcu_preempt3861-21df11:15:110
81660rcu_preempt27998-21diskmemload09:46:350
81660rcu_preempt27998-21diskmemload09:33:001
81660rcu_preempt23160-21sh11:48:251
81660rcu_preempt1679-21sh09:19:481
81660rcu_preempt0-21swapper/112:08:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional