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2025-12-11 - 03:15
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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 Wed Dec 10, 2025 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19667442229199,20sleep10-21swapper/107:09:141
19665892228201,18sleep30-21swapper/307:07:163
19665482225198,18sleep20-21swapper/207:06:422
19665082222194,19sleep00-21swapper/007:06:130
196698499940,91cyclictest2050063-21snmp_wlanpowerc08:45:013
196698299719,61cyclictest1984665-21kworker/u8:0+efi_rts_wq07:43:422
196698299719,61cyclictest1984665-21kworker/u8:0+efi_rts_wq07:43:412
196697899672,63cyclictest2205247-21chrome11:45:011
1966978996255,4cyclictest2153878-21/usr/share/muni10:45:021
196698499575,51cyclictest1984665-21kworker/u8:0+efi_rts_wq07:43:433
196698499575,51cyclictest1984665-21kworker/u8:0+efi_rts_wq07:43:433
1966974995047,2cyclictest1984665-21kworker/u8:0+flush-179:007:40:050
1966974995047,2cyclictest1984665-21kworker/u8:0+flush-179:007:40:040
196698499480,25cyclictest0-21swapper/311:55:163
1966984994536,4cyclictest2145180-21/usr/share/muni10:35:153
1966982994542,2cyclictest2182793-21kworker/u8:4+flush-179:011:20:242
1966982994441,2cyclictest2103333-21ThreadPoolForeg09:45:112
1966978994442,1cyclictest0-21swapper/111:57:061
1966982994340,2cyclictest2011219-21kworker/u8:3+flush-179:008:10:152
1966978994337,4cyclictest1980831-21ntpq07:25:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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