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2025-11-20 - 02:52
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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 Wed Nov 19, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8476382236207,19sleep10-21swapper/107:06:131
8478352230201,19sleep20-21swapper/207:08:432
8476902228200,18sleep00-21swapper/007:06:530
8478882226196,20sleep30-21swapper/307:09:243
848121991011,97cyclictest879092-21chrome07:45:012
848121996955,2cyclictest931540-21/usr/share/muni08:45:022
84812799607,52cyclictest869662-21kworker/u8:0+efi_rts_wq07:45:393
84811499556,48cyclictest877139-21kworker/u8:2+efi_rts_wq07:45:410
848114995439,13cyclictest931542-21snmp_wlanswitch08:45:010
848127995349,2cyclictest892484-21gpgv08:00:003
848117995249,2cyclictest971399-21kworker/u8:4+events_unbound10:15:161
848121994842,4cyclictest1074708-21/usr/share/muni11:30:152
848117994840,7cyclictest932724-21kworker/u8:5+flush-179:009:00:071
848114994844,3cyclictest1035101-21kworker/u8:3+flush-179:010:45:080
848127994739,6cyclictest1087969-21CompositorTileW11:45:073
848127994739,6cyclictest1087969-21CompositorTileW11:45:073
848127994640,4cyclictest897254-21/usr/share/muni08:05:063
848121994644,1cyclictest1030958-21kworker/2:0+pm12:05:042
848121994620,7cyclictest1030361-31munin-html10:35:502
848117994643,2cyclictest971399-21kworker/u8:4+events_unbound10:10:131
848121994539,4cyclictest1083589-21/usr/share/muni11:40:032
848117994543,2cyclictest1052310-21kworker/u8:2+events_unbound11:15:141
848114994535,9cyclictest876516-21ntpq07:40:140
848127994441,2cyclictest1035101-21kworker/u8:3+flush-179:010:45:163
848117994441,2cyclictest971399-21kworker/u8:4+events_unbound09:35:071
848114994439,4cyclictest979193-21latency_hist09:40:010
848127994338,4cyclictest927167-21/usr/share/muni08:40:123
848121994334,5cyclictest947926-21kworker/2:0+pm09:15:162
848121994331,8cyclictest803808-1kworker/2:2H+kblockd11:55:292
848117994239,2cyclictest971399-21kworker/u8:4+events_unbound09:50:251
848117994232,1cyclictest1101079-21kworker/1:0+pm12:02:281
848114994238,3cyclictest1074090-21kworker/u8:3+flush-179:012:15:040
848114994234,7cyclictest988916-21kworker/u8:2+events_unbound10:25:080
848127994137,3cyclictest1026581-21gpgv10:35:003
848127994136,4cyclictest918404-21latency_hist08:30:013
848127994125,14cyclictest931502-21chrome08:45:013
848117994137,3cyclictest1017983-21kworker/u8:0+events_unbound10:50:131
848114994138,2cyclictest1074090-21kworker/u8:3+flush-179:012:10:050
848114994137,2cyclictest1087890-13chrome11:45:010
848114994137,2cyclictest1087890-13chrome11:45:010
848127994038,1cyclictest392923-1kworker/3:2H+kblockd07:15:103
848121994026,13cyclictest803808-1kworker/2:2H+kblockd12:30:062
848127993933,4cyclictest1082998-21apt-get11:40:003
848121993937,1cyclictest852272-21kworker/2:3+pm08:40:122
848121993937,1cyclictest852272-21kworker/2:3+pm08:05:162
848121993937,1cyclictest852272-21kworker/2:3+pm07:30:502
848121993937,1cyclictest852272-21kworker/2:3+pm07:20:122
848121993937,1cyclictest1030958-21kworker/2:0+pm11:50:052
848121993937,1cyclictest1030958-21kworker/2:0+pm10:50:142
848121993936,3cyclictest962189-21kworker/2:2+pm09:43:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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