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2025-12-25 - 17:36
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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 Thu Dec 25, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40315512229199,19sleep20-21swapper/207:06:042
40317142226196,20sleep30-21swapper/307:08:103
40317832225195,20sleep10-21swapper/107:09:051
40316502222193,19sleep00-21swapper/007:07:180
411481721450,3sleep24114775-21snmp_ryswitch.c08:45:032
414736621080,1sleep10-21swapper/109:20:161
4031978996051,8cyclictest123151-21latency_hist12:40:000
4031983995753,3cyclictest4070884-21kworker/u8:0+events_unbound08:05:001
4031986995650,3cyclictest76308-21snmp_wanpowerct11:45:012
4031991995338,14cyclictest37191-21kworker/u8:0+flush-179:011:00:133
4031991995248,3cyclictest55391-21kworker/u8:1+events_unbound11:25:133
4031978995147,3cyclictest4047252-21apt-get07:25:120
4031986995044,5cyclictest4090535-21ntpq08:15:142
4031978995045,3cyclictest4114478-21chrome08:45:010
4031986994742,4cyclictest4136128-21/usr/share/muni09:10:142
4031983994743,2cyclictest4166483-21/usr/share/muni09:45:011
4031991994642,3cyclictest4123089-21kworker/u8:1+events_unbound09:15:133
4031991994638,7cyclictest4105046-21kworker/u8:4+flush-179:008:35:163
4031991994541,2cyclictest4166394-13chrome09:45:013
4031991994441,2cyclictest4148315-21kworker/u8:2+events_unbound09:55:163
4031991994440,3cyclictest4148315-21kworker/u8:2+flush-179:010:05:273
4031986994441,2cyclictest93263-21munin-update12:05:262
4031991994338,3cyclictest4172561-21apt-get09:50:143
4031983994340,2cyclictest63936-21kworker/u8:4+events_unbound11:35:131
4031978994337,4cyclictest36835-31munin-html10:55:280
4031983994240,1cyclictest1318-21snmpd11:54:041
4031978994236,4cyclictest4127301-21latency_hist09:00:010
4031991994137,3cyclictest4116557-21kworker/u8:0+flush-179:008:55:163
4031983994128,1cyclictest3747209-1kworker/1:1H+kblockd08:05:451
4031991994037,2cyclictest93078-21kworker/u8:0+flush-179:012:30:103
4031991994037,2cyclictest111681-21apt-get12:25:073
4031986994038,1cyclictest95953-21kworker/2:0+pm12:15:052
4031986994038,1cyclictest95953-21kworker/2:0+pm12:14:322
4031986994038,1cyclictest4126029-21kworker/2:0+pm08:56:002
4031986994037,2cyclictest4191648-21kworker/2:1+pm11:30:442
4031986994037,2cyclictest4018733-21kworker/2:2+pm07:20:412
4031986994037,2cyclictest114705-21kworker/2:1+pm12:35:152
4031983994034,4cyclictest73053-21apt-get11:40:081
4031983994034,2cyclictest19244-21kworker/u8:3+events_unbound11:10:001
4031983994033,5cyclictest76272-21/usr/share/muni11:45:151
4031978994035,3cyclictest4041317-21/usr/share/muni07:20:140
4031978994033,5cyclictest4079951-21/usr/share/muni08:05:030
4031991993936,2cyclictest4013475-21kworker/u8:0+flush-179:007:30:253
4031991993927,11cyclictest4123089-21kworker/u8:1+flush-179:009:30:313
4031991993925,10cyclictest4040930-21kworker/u8:1+flush-179:007:55:043
4031986993937,1cyclictest4191648-21kworker/2:1+pm11:35:202
4031986993937,1cyclictest4191648-21kworker/2:1+pm10:36:302
4031986993937,1cyclictest4179209-21kworker/2:3+pm10:10:002
4031986993937,1cyclictest4045032-21kworker/2:1+pm08:51:262
4031986993937,1cyclictest4045032-21kworker/2:1+pm08:25:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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