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2025-12-28 - 23:00
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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 28, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36203732248194,20sleep00-21swapper/007:09:130
36203732248194,20sleep00-21swapper/007:09:130
36201792236186,39sleep30-21swapper/307:06:473
36201792236186,39sleep30-21swapper/307:06:473
36201462234179,43sleep20-21swapper/207:06:222
36201462234179,43sleep20-21swapper/207:06:212
36204092226197,19sleep10-21swapper/107:09:431
36204092226197,19sleep10-21swapper/107:09:431
3620622999639,16cyclictest3703215-21/usr/sbin/munin08:45:020
362063299570,2cyclictest3651325-21/usr/share/muni07:45:013
3620624995743,1cyclictest3858435-21/usr/share/muni11:45:011
3620632995045,2cyclictest3745818-21kworker/u8:1+events_unbound09:50:163
3620622995043,5cyclictest3659994-21/usr/share/muni07:55:020
3620632994946,2cyclictest3745818-21kworker/u8:1+flush-179:010:40:153
3620632994946,2cyclictest3624471-21kworker/u8:2+events_unbound07:15:003
3620628994946,2cyclictest3611694-21kworker/u8:0+flush-179:007:15:062
3620628994828,19cyclictest3651298-21chrome07:45:012
3620622994741,4cyclictest3867126-21/usr/share/muni11:55:020
3620628994629,16cyclictest3858491-21snmp_areswitch.11:45:012
3620624994642,3cyclictest3651281-21ThreadPoolForeg07:45:011
3620628994542,2cyclictest3640647-21cat07:30:142
3620632994438,2cyclictest3660709-21kworker/u8:4+events_unbound08:05:143
3620622994437,4cyclictest3673148-21/usr/share/muni08:10:120
3620632994341,2cyclictest3824004-21kworker/u8:0+flush-179:011:10:153
3620632994339,3cyclictest3845090-21kworker/u8:3+flush-179:011:35:153
3620628994338,4cyclictest3694820-21ntpq08:35:032
3620628994337,5cyclictest3776445-21/usr/share/muni10:10:152
3620632994239,2cyclictest3641059-21kworker/u8:0+flush-179:007:50:213
3620632994239,2cyclictest3619056-21kworker/u8:3+flush-179:007:25:053
3620632994138,2cyclictest3882367-21kworker/u8:3+events_unbound12:15:153
3620632994138,2cyclictest3867656-21kworker/u8:4+flush-179:012:30:163
3620624994138,3cyclictest3867656-21kworker/u8:4+flush-179:012:30:281
3620624994135,4cyclictest3888927-21/usr/share/muni12:20:021
3620622994135,5cyclictest3902121-21/usr/share/muni12:35:120
3620632994036,3cyclictest3794833-21kworker/u8:2+flush-179:011:20:103
3620632994036,3cyclictest3788467-21kworker/u8:4+flush-179:010:45:273
3620632994036,3cyclictest3642739-21/usr/share/muni07:35:133
3620628994038,1cyclictest3728768-21kworker/2:3+pm09:51:022
3620628994038,1cyclictest3667966-21kworker/2:2+pm08:11:112
3620624994034,4cyclictest3828455-21/usr/share/muni11:10:031
3620622994035,4cyclictest3625022-21/usr/share/muni07:15:030
3620632993936,2cyclictest3867656-21kworker/u8:4+events_unbound12:00:263
3620628993937,1cyclictest3728768-21kworker/2:3+pm09:40:572
3620628993937,1cyclictest3728768-21kworker/2:3+pm09:25:162
3620628993937,1cyclictest3667966-21kworker/2:2+pm09:07:222
3620628993937,1cyclictest3667966-21kworker/2:2+pm08:40:162
3620628993936,2cyclictest3875278-21kworker/2:0+pm12:15:032
3620628993936,2cyclictest3667966-21kworker/2:2+pm08:30:132
3620628993935,3cyclictest3845090-21kworker/u8:3+flush-179:011:30:142
3620628993935,3cyclictest3845090-21kworker/u8:3+flush-179:011:30:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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