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2025-12-23 - 10:13
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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 Mon Dec 22, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2447322239187,19sleep10-21swapper/107:09:021
2444142230200,20sleep30-21swapper/307:05:303
2446812225197,18sleep20-21swapper/207:08:232
2445732220191,19sleep00-21swapper/007:06:550
24506099694,64cyclictest422221-21kworker/u8:1+efi_rts_wq12:05:033
245050996862,4cyclictest500531-21latency_hist12:05:010
245054996459,3cyclictest431264-21chrome10:45:011
245060995955,2cyclictest483125-21CacheThread_Blo11:45:003
245054995249,2cyclictest415231-21apt-get10:25:071
245050995251,0cyclictest515366-21awk12:20:160
245060995151,0cyclictest515365-21awk12:20:163
245050995045,3cyclictest483128-21chrome11:45:010
245060994742,3cyclictest301988-21latency_hist08:15:003
245056994743,3cyclictest464185-21kworker/u8:2+flush-179:011:35:022
245054994542,2cyclictest244496-21kworker/u8:1+flush-179:007:20:011
245056994441,2cyclictest439984-21kworker/2:1+pm12:05:042
245056994439,3cyclictest276484-21chrome07:45:012
245056994436,2cyclictest409281-21kworker/u8:3+flush-179:010:25:062
245054994340,2cyclictest251755-21kworker/u8:2+flush-179:008:10:151
245060994138,2cyclictest507741-21kworker/u8:2+events_unbound12:40:003
245056994138,2cyclictest426527-21kworker/u8:0+flush-179:010:40:152
245054994137,2cyclictest276523-21/usr/share/muni07:45:001
245050994135,4cyclictest525415-21latency_hist12:35:020
245056994038,1cyclictest439984-21kworker/2:1+pm12:35:102
245056994038,1cyclictest227576-21kworker/2:3+pm07:50:502
245056994037,2cyclictest452453-21kworker/u8:0+flush-179:011:15:152
245056994037,2cyclictest439984-21kworker/2:1+pm11:10:402
245060993934,4cyclictest478819-21/usr/share/muni11:40:023
245056993937,1cyclictest439984-21kworker/2:1+pm11:51:012
245056993937,1cyclictest439984-21kworker/2:1+pm11:24:332
245056993937,1cyclictest393312-21kworker/2:0+pm10:05:502
245056993937,1cyclictest393312-21kworker/2:0+pm10:05:502
245056993937,1cyclictest293151-21kworker/2:0+pm08:55:102
245056993937,1cyclictest293151-21kworker/2:0+pm08:51:062
245056993936,2cyclictest422221-21kworker/u8:1+flush-179:011:25:162
245056993936,2cyclictest227576-21kworker/2:3+pm07:30:022
245056993936,2cyclictest227576-21kworker/2:3+pm07:10:012
245054993936,2cyclictest347929-21kworker/u8:1+flush-179:009:30:151
245054993934,4cyclictest332439-21/usr/share/muni08:50:011
245050993937,1cyclictest349252-21kworker/0:2+pm10:33:470
245060993836,1cyclictest271278-21kworker/3:0+pm08:15:093
245056993836,1cyclictest439984-21kworker/2:1+pm12:10:432
245056993836,1cyclictest393312-21kworker/2:0+pm10:46:042
245056993836,1cyclictest393312-21kworker/2:0+pm10:35:112
245056993836,1cyclictest393312-21kworker/2:0+pm10:15:472
245056993836,1cyclictest393312-21kworker/2:0+pm10:01:282
245056993836,1cyclictest343110-21kworker/2:2+pm09:45:122
245056993836,1cyclictest343110-21kworker/2:2+pm09:26:032
245056993836,1cyclictest343110-21kworker/2:2+pm09:05:062
245056993836,1cyclictest293151-21kworker/2:0+pm08:15:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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