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2025-11-07 - 15:53
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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 Fri Nov 07, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25810852234181,19sleep00-21swapper/007:08:260
25809842231201,19sleep10-21swapper/107:07:101
25811182228198,19sleep30-21swapper/307:08:533
25811442227199,18sleep20-21swapper/207:09:122
2581579997467,5cyclictest2612989-21latency_hist07:45:011
2581577997350,3cyclictest2613280-21chrome07:45:010
2581577996963,3cyclictest2769760-21snmp_wlanpowerc10:45:020
258157799608,52cyclictest2747322-21kworker/u8:3+efi_rts_wq10:31:340
2581586995842,7cyclictest2613304-21Chrome_ChildIOT07:45:013
2581583995653,2cyclictest2708403-21kworker/u8:1+flush-179:009:55:062
2581583995651,3cyclictest2717432-21chrome09:45:022
2581583995651,3cyclictest2717432-21chrome09:45:012
258158699489,39cyclictest2747322-21kworker/u8:3+efi_rts_wq10:31:353
2581583994743,3cyclictest2819296-21kworker/u8:3+events_unbound11:55:012
2581583994742,2cyclictest2747322-21kworker/u8:3+events_unbound10:35:152
2581583994643,2cyclictest2666818-21kworker/u8:4+events_unbound08:55:132
2581583994638,3cyclictest2666818-21kworker/u8:4+events_unbound08:45:112
258158399454,40cyclictest2747322-21kworker/u8:3+efi_rts_wq10:31:332
2581583994540,4cyclictest2802194-21kworker/u8:4+events_unbound11:55:152
2581577994540,4cyclictest2721743-21/usr/share/muni09:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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