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2025-12-19 - 07:45
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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 rackbslot2.osadl.org (updated Thu Dec 18, 2025 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35861752229200,19sleep30-21swapper/307:06:023
35861752229200,19sleep30-21swapper/307:06:023
35863452227200,18sleep10-21swapper/107:08:091
35863452227200,18sleep10-21swapper/107:08:091
35863442227196,20sleep00-21swapper/007:08:080
35863442227196,20sleep00-21swapper/007:08:080
35863572225196,19sleep20-21swapper/207:08:182
35863572225196,19sleep20-21swapper/207:08:182
38674732990,1sleep30-21swapper/312:30:263
3586636995752,4cyclictest3695783-21/usr/share/muni09:15:023
3586633995249,2cyclictest3665139-21kworker/u8:1+flush-179:008:50:132
38212432510,3sleep129-21ksoftirqd/111:40:041
38212432510,3sleep129-21ksoftirqd/111:40:041
3586627995148,2cyclictest3638569-21kworker/u8:1+flush-179:008:20:210
3586633995048,1cyclictest3669688-21snmp_ryswitch2.08:45:012
3586627994945,3cyclictest3752603-21kworker/u8:1+flush-179:010:40:160
3586636994844,3cyclictest3660673-21kworker/u8:4+flush-179:008:35:133
3586627994842,2cyclictest3660673-21kworker/u8:4+flush-179:008:40:060
3586627994745,2cyclictest3665139-21kworker/u8:1+flush-179:008:55:150
3586633994644,2cyclictest3638569-21kworker/u8:1+events_unbound08:20:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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