You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-08 - 11:41
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
Characteristics of the 20 highest latencies:
System rack1slot1.osadl.org (updated Mon Dec 08, 2025 00:45:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150202202162,26sleep00-21swapper/019:09:340
147802200159,27sleep20-21swapper/219:06:302
147512198161,24sleep30-21swapper/319:06:073
129182198159,26sleep10-21swapper/119:05:011
15140991412,1cyclictest9-21ksoftirqd/019:15:000
15140991312,1cyclictest9-21ksoftirqd/020:20:130
15140991311,1cyclictest9-21ksoftirqd/000:10:130
15161991211,1cyclictest35-21ksoftirqd/322:40:003
15140991211,1cyclictest9-21ksoftirqd/021:35:190
15140991210,1cyclictest9-21ksoftirqd/000:15:230
15161991111,0cyclictest35-21ksoftirqd/319:35:153
15156991110,1cyclictest28-21ksoftirqd/223:40:182
1514899110,5cyclictest0-21swapper/121:51:111
1514099119,1cyclictest9-21ksoftirqd/022:55:220
1514099119,1cyclictest9-21ksoftirqd/020:10:150
15140991111,0cyclictest9-21ksoftirqd/023:20:020
15140991111,0cyclictest9-21ksoftirqd/022:28:500
15140991110,1cyclictest9-21ksoftirqd/023:50:220
15140991110,1cyclictest9-21ksoftirqd/023:10:210
15140991110,1cyclictest9-21ksoftirqd/023:10:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional