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2025-11-22 - 11:35
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack5slot7.osadl.org (updated Sat Nov 22, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5563223992176,168sleep00-21swapper17:36:370
64919916919,125cyclictest4794-21apt-get20:06:210
64919916817,125cyclictest9478-21apt-get21:56:180
64919916716,125cyclictest18295-21apt-get20:46:160
64919916620,103cyclictest30094-21apt-get21:21:220
64919916618,123cyclictest11644-21ssh20:26:320
6491991659,131cyclictest28093-21sed22:51:430
64919916541,107cyclictest11318-21sh22:01:330
64919916520,121cyclictest21505-21df22:31:380
64919916518,104cyclictest13629-21fw_conntrack20:31:590
64919916514,128cyclictest12509-21apt-get18:11:160
64919916420,116cyclictest28427-21apt-get21:16:170
64919916417,123cyclictest15192-21df20:36:390
64919916417,122cyclictest31393-21irqstats23:02:080
64919916417,121cyclictest30472-21apt-get19:46:190
64919916417,103cyclictest31765-21apt-get21:26:170
64919916416,124cyclictest26736-21apt-get21:11:180
64919916319,119cyclictest25561-21memory21:07:150
64919916318,122cyclictest26188-21apt-get22:46:230
64919916318,103cyclictest2967-21munin-run20:00:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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