You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-02 - 21:48
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 Wed Sep 02, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81730rcu_preempt731-21python12:26:010
81730rcu_preempt27933-21ssh11:07:410
81730rcu_preempt0-21swapper/009:44:230
81730rcu_preempt0-21swapper/007:40:530
81720rcu_preempt9680-21ssh09:29:270
81720rcu_preempt2316-21ssh12:30:390
81720rcu_preempt17575-21ntpq08:00:560
81710rcu_preempt25521-21ssh10:00:300
81710rcu_preempt0-21swapper/011:31:270
81700rcu_preempt5362-21if_eth112:35:530
81700rcu_preempt4884-21ssh10:21:270
81700rcu_preempt30830-21ssh11:13:420
81700rcu_preempt24324-21sh12:07:550
81700rcu_preempt22796-21ssh09:55:140
81700rcu_preempt18340-21ssh10:49:310
81690rcu_preempt7520-21ssh10:27:060
81690rcu_preempt747-21ssh11:18:130
81690rcu_preempt26058-21ssh11:05:100
81690rcu_preempt22584-21ssh10:56:100
81690rcu_preempt15182-21ssh10:42:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional