You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-02-29 - 18:22
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 rack0slot7.osadl.org (updated Thu Feb 29, 2024 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7428172207182,16sleep00-21swapper/019:06:190
7431142172151,11sleep50-21swapper/519:08:4911
7431512162156,3sleep60-21swapper/619:09:2212
3243092101380,132AudioIPC00-21swapper/319:07:309
74351599134133,1cyclictest11983-21InputThread23:47:3412
61454101230,121AudioIP~ackRPC0-2101:24:0714
61454101220,114AudioIP~ackRPC0-2101:24:071
7435019911058,51cyclictest220439-21seamonkey20:05:418
7429492109108,0sleep20-21swapper/219:07:428
7429282109108,0sleep70-21swapper/719:07:3113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional