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2025-12-22 - 08:39
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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 Dec 21, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31752852230200,20sleep20-21swapper/207:06:062
31754662226196,20sleep30-21swapper/307:08:243
31753222224195,19sleep10-21swapper/107:06:341
31754272221192,19sleep00-21swapper/007:07:530
3175759998479,3cyclictest3414370-21snmp_wlanswitch11:45:011
3175763995854,2cyclictest17550irq/16-i2c_designware.009:45:002
3175763995449,3cyclictest3206868-21chrome07:45:012
3175763995449,3cyclictest3206868-21chrome07:45:012
3175755995033,15cyclictest3371551-21/usr/share/muni10:55:030
3175767994934,2cyclictest3258323-21chrome08:45:023
3175763994844,3cyclictest3409541-21kworker/u8:4+events_unbound11:50:122
3175763994844,3cyclictest3409541-21kworker/u8:4+events_unbound11:50:122
3175763994832,15cyclictest3404743-21kworker/u8:3+flush-179:011:40:012
3175755994843,3cyclictest1307-21munin-node09:45:010
3175767994639,5cyclictest3228345-21/usr/share/muni08:10:133
3175759994540,4cyclictest3268032-21ntpq08:55:071
3175759994432,11cyclictest3116619-1kworker/1:1H+kblockd08:49:131
3175755994440,3cyclictest1307-21munin-node07:45:020
3175755994440,3cyclictest1307-21munin-node07:45:010
3175763994339,3cyclictest3439526-21kworker/u8:1+flush-179:012:20:152
3175763994339,3cyclictest3318366-21kworker/u8:1+flush-179:010:40:052
3175763994339,3cyclictest3179755-21kworker/u8:1+events_unbound07:25:062
3175763994238,3cyclictest3457390-21kworker/u8:0+events_unbound12:35:142
3175767994136,3cyclictest3283831-21latency_hist09:15:003
3175763994137,3cyclictest3426654-21kworker/u8:2+flush-179:012:10:142
3175763994137,3cyclictest3223482-21kworker/u8:2+flush-179:009:55:152
3175763994135,5cyclictest3284070-21/usr/share/muni09:15:092
3175763994038,1cyclictest3219266-21kworker/2:1+pm08:11:202
3175763994037,2cyclictest3321547-21kworker/2:0+pm10:30:572
3175763994036,3cyclictest3300560-21kworker/u8:0+flush-179:009:40:132
3175763993937,1cyclictest3418235-21kworker/2:0+pm12:01:002
3175763993937,1cyclictest3321547-21kworker/2:0+pm11:31:212
3175763993937,1cyclictest3219266-21kworker/2:1+pm09:20:532
3175763993937,1cyclictest3219266-21kworker/2:1+pm08:21:022
3175763993937,1cyclictest3153738-21kworker/2:0+pm07:30:122
3175763993936,2cyclictest3392252-21kworker/u8:3+flush-179:011:20:242
3175763993936,2cyclictest3375208-21kworker/u8:0+flush-179:011:10:042
3175763993936,2cyclictest3375208-21kworker/u8:0+flush-179:011:00:142
3175763993936,2cyclictest3321547-21kworker/2:0+pm10:45:072
3175763993936,2cyclictest3223482-21kworker/u8:2+flush-179:010:10:292
3175763993936,2cyclictest3219266-21kworker/2:1+pm08:55:032
3175759993937,1cyclictest3314417-21kworker/1:3+pm09:56:201
3175759993931,4cyclictest21250usb-storage07:10:091
3175755993936,2cyclictest3375208-21kworker/u8:0+flush-179:011:15:120
3175755993935,3cyclictest3409541-21kworker/u8:4+flush-179:012:00:100
3175755993934,4cyclictest3229394-21apt-get08:10:060
3175755993932,6cyclictest3375208-21kworker/u8:0+flush-179:011:35:270
3175767993836,1cyclictest3443943-21kworker/3:1+pm12:36:223
3175767993835,2cyclictest2950002-1kworker/3:1H+kblockd12:08:133
3175767993834,3cyclictest3301255-21/usr/share/muni09:35:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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