You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-22 - 01:07
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.
Unexpectedly long latencies may be caused by SMIs
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 rackbslot7.osadl.org (updated Thu May 21, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1944421549,24sleep00-21swapper/006:55:590
2068321116,15sleep20-21swapper/206:59:402
824821060,7sleep00-21swapper/008:00:450
209189910256,16cyclictest24339-21ssh10:41:370
209189910114,60cyclictest345-21lldpd11:11:100
20918999874,9cyclictest181rcu_preempt12:28:540
20918999874,9cyclictest181rcu_preempt12:28:540
2091899942,66cyclictest8069-21runrttasks12:01:090
2093699936,51cyclictest0-21swapper/311:31:373
20931999313,54cyclictest9918-21apt-get11:11:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional