You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-07 - 02:16
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 rackeslot4.osadl.org (updated Sun Jul 06, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2914426992913,15cyclictest245621450irq/127-enp0s29f1:rx-010:56:120
291442999285,20cyclictest3293391-21irqcore12:30:161
2914432992725,1cyclictest0-21swapper/311:29:593
291443299266,19cyclictest0-21swapper/312:40:003
291443299261,2cyclictest191rcu_preempt12:00:283
291443299260,2cyclictest191rcu_preempt10:30:113
291443099260,20cyclictest191rcu_preempt10:50:192
2914432992522,2cyclictest50-21ksoftirqd/309:54:243
2914432992519,2cyclictest191rcu_preempt11:50:033
2914432992519,1cyclictest191rcu_preempt11:06:273
2914432992515,2cyclictest3037460-21diskmemload09:36:543
291443299250,5cyclictest3272829-21/usr/sbin/munin12:15:203
291443299250,2cyclictest191rcu_preempt11:49:343
291443299250,2cyclictest191rcu_preempt09:56:083
291443299250,23cyclictest3232383-21sed11:40:193
291443299250,20cyclictest191rcu_preempt10:53:463
291443299250,20cyclictest191rcu_preempt09:32:023
291443299250,20cyclictest191rcu_preempt09:18:043
291443299250,20cyclictest191rcu_preempt09:18:033
291443099250,5cyclictest3156569-21ssh10:40:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional