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2026-01-05 - 02:07
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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 50 highest latencies:
System rackbslot2.osadl.org (updated Sun Jan 04, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40635202228198,20sleep30-21swapper/307:08:033
40624062226169,13sleep20-21swapper/207:05:172
40635032222193,19sleep10-21swapper/107:07:481
40636422221193,19sleep00-21swapper/007:09:360
406386699750,74cyclictest4077105-21kworker/u8:0+efi_rts_wq07:46:522
406386099757,68cyclictest4077105-21kworker/u8:0+efi_rts_wq07:46:511
4063860996439,23cyclictest3986-21Chrome_ChildIOT09:45:011
406386899615,56cyclictest4093955-21kworker/u8:1+efi_rts_wq07:46:553
406386699581,2cyclictest3902-13chrome09:45:022
4063866995350,2cyclictest76929-21kworker/u8:1+events_unbound11:35:152
4063868994943,4cyclictest4163805-21/usr/share/muni09:05:153
4063860994934,14cyclictest55821-21snmp_wlanswitch10:45:011
4063868994743,3cyclictest63893-21kworker/u8:2+flush-179:011:10:103
4063866994742,4cyclictest98214-31munin-html11:30:302
4063866994542,2cyclictest4103068-21kworker/u8:3+flush-179:008:10:112
4063866994542,2cyclictest16446-21kworker/u8:1+events_unbound10:20:102
4063866994541,3cyclictest51309-21kworker/u8:0+events_unbound10:45:082
4063866994541,2cyclictest46711-21kworker/u8:2+events_unbound10:40:252
4063866994441,2cyclictest4109929-21kworker/u8:2+events_unbound08:40:132
4063860994439,3cyclictest125373-21/usr/share/muni12:05:131
4063860994439,3cyclictest125373-21/usr/share/muni12:05:131
4063860994339,3cyclictest147270-21kworker/u8:2+flush-179:012:35:151
406385699431,16cyclictest137155-31munin-html12:15:300
4063866994238,3cyclictest46711-21kworker/u8:2+flush-179:010:35:062
4063866994238,3cyclictest4163466-21kworker/u8:3+events_unbound09:15:012
4063866994237,3cyclictest4175908-21kworker/u8:1+flush-179:009:30:002
406385699420,41cyclictest0-21swapper/009:35:140
4063868994135,5cyclictest94808-21/usr/share/muni11:30:013
4063868994134,5cyclictest4146525-21/usr/share/muni08:45:073
4063866994138,2cyclictest12139-21kworker/u8:3+events_unbound10:10:132
4063866994136,4cyclictest4146492-21CacheThread_Blo08:45:012
4063866994134,6cyclictest73158-21/usr/share/muni11:05:022
4063866994134,6cyclictest73158-21/usr/share/muni11:05:012
4063860994137,3cyclictest3189658-1kworker/1:1H+kblockd12:30:041
4063860994133,7cyclictest3189658-1kworker/1:1H+kblockd08:21:501
406386099411,39cyclictest0-21swapper/108:35:041
4063866994037,2cyclictest4085065-21kworker/2:0+pm08:35:252
4063866994037,2cyclictest137155-31munin-html12:15:302
4063866994035,3cyclictest42706-21kworker/2:2+pm10:55:042
4063860994035,3cyclictest26522-21apt-get10:10:071
4063868993936,2cyclictest4085708-21kworker/3:1+pm07:45:003
4063866993937,1cyclictest4085065-21kworker/2:0+pm08:30:562
4063866993937,1cyclictest4085065-21kworker/2:0+pm07:35:462
4063866993937,1cyclictest107735-21kworker/2:2+pm11:55:542
4063866993936,2cyclictest76829-21kworker/2:0+pm11:40:032
4063866993936,2cyclictest4085065-21kworker/2:0+pm09:30:042
4063866993936,2cyclictest4085065-21kworker/2:0+pm08:55:302
4063866993935,3cyclictest4054754-21kworker/u8:2+flush-179:007:20:052
4063866993935,2cyclictest55457-21kworker/u8:1+events_unbound10:50:102
4063866993935,2cyclictest4191563-21kworker/u8:3+events_unbound09:40:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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