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2025-11-17 - 04:36
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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 Sun Nov 16, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12823982233203,20sleep00-21swapper/007:09:210
12823862230201,19sleep30-21swapper/307:09:113
12823372228199,19sleep10-21swapper/107:08:331
12823232225165,19sleep20-21swapper/207:08:222
1282611996247,14cyclictest1364828-21chrome08:45:011
1282609996147,13cyclictest1468133-21MemoryInfra10:45:020
1282617995552,2cyclictest1295678-21kworker/u8:0+flush-179:007:25:283
128261799530,2cyclictest1313425-21snmp_wlanswitch07:45:003
1282614995349,3cyclictest1299949-21kworker/u8:1+events_unbound07:55:132
1282617995249,2cyclictest1413686-21kworker/u8:2+flush-179:009:55:163
1282611995238,1cyclictest1416694-21/usr/share/muni09:45:011
1282617995039,10cyclictest1386164-21kworker/u8:2+events_unbound09:30:243
1282617995039,10cyclictest1386164-21kworker/u8:2+events_unbound09:30:243
1282617994946,2cyclictest1519590-21kworker/u8:0+flush-179:012:15:293
1282617994943,4cyclictest1494350-21/usr/share/muni11:15:023
1282614994942,5cyclictest1481538-21/usr/share/muni11:00:032
1282617994643,2cyclictest1368624-21kworker/u8:4+flush-179:008:50:163
1282614994642,3cyclictest1485577-21kworker/u8:3+flush-179:011:55:142
1282609994630,15cyclictest1318-21snmpd09:38:550
1282617994441,2cyclictest1299949-21kworker/u8:1+flush-179:008:25:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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