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2025-12-15 - 16:37
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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 15, 2025 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40061062229199,19sleep00-21swapper/007:08:250
40060062228178,40sleep30-21swapper/307:07:073
40061902227198,19sleep20-21swapper/207:09:322
40061322221192,18sleep10-21swapper/107:08:461
3462721180,1sleep00-21swapper/011:25:010
4006401995750,5cyclictest64677-21latency_hist12:00:011
400639899543,50cyclictest4293-21kworker/u8:1+efi_rts_wq10:54:170
4006408995047,2cyclictest4087956-21kworker/u8:3+events_unbound08:45:193
400640899500,50cyclictest4175334-21kworker/u8:3+efi_rts_wq10:54:143
4006404995030,18cyclictest4088887-21chrome08:45:032
4006401994945,3cyclictest51943-21chrome11:45:001
4006408994844,3cyclictest4114080-21kworker/u8:2+flush-179:009:55:053
4006404994825,3cyclictest1318-21snmpd07:10:442
4006401994844,3cyclictest25557-21kworker/u8:2+flush-179:011:25:061
4006401994744,2cyclictest4088862-21/usr/share/muni08:45:021
4006398994639,3cyclictest4114080-21kworker/u8:2+flush-179:011:05:050
4006408994541,3cyclictest4036516-21kworker/u8:1+events_unbound07:50:073
4006404994539,4cyclictest60652-21/usr/share/muni11:55:152
4006398994540,3cyclictest4150587-21kworker/u8:0+flush-179:010:15:060
4006408994441,2cyclictest76786-21kworker/u8:1+events_unbound12:35:123
4006408994441,2cyclictest4163319-21kworker/u8:1+flush-179:010:10:273
4006408994340,2cyclictest4194022-21chrome10:45:013
4006408994340,2cyclictest4114080-21kworker/u8:2+events_unbound10:20:253
4006404994334,4cyclictest4123835-21kworker/2:2+pm09:55:002
4006408994239,2cyclictest68854-21kworker/u8:2+events_unbound12:05:143
4006408994238,3cyclictest4114080-21kworker/u8:2+events_unbound10:00:133
4006408994236,4cyclictest3635881-21apache209:25:163
4006408994230,11cyclictest3874607-1kworker/3:2H+kblockd07:40:113
4006404994228,13cyclictest3209362-1kworker/2:2H+kblockd08:31:282
4006408994138,2cyclictest21068-21kworker/u8:1+events_unbound11:40:143
4006404994138,3cyclictest4089214-21kworker/2:0+pm09:16:312
4006404994136,3cyclictest44131-21kworker/2:1+pm11:40:052
4006404994128,12cyclictest3209362-1kworker/2:2H+kblockd08:05:482
400640499410,37cyclictest0-21swapper/207:35:592
4006398994138,2cyclictest76786-21kworker/u8:1+flush-179:012:15:050
4006398994138,2cyclictest76786-21kworker/u8:1+flush-179:012:15:050
4006408994037,2cyclictest4150587-21kworker/u8:0+flush-179:010:15:223
4006408994037,2cyclictest4018871-21kworker/u8:1+events_unbound07:25:053
4006408994037,2cyclictest38459-21kworker/u8:3+flush-179:011:35:143
4006408994037,2cyclictest12763-21kworker/u8:0+flush-179:011:05:253
4006404994038,1cyclictest3959049-21kworker/2:1+pm07:21:262
4006404994037,2cyclictest3959049-21kworker/2:1+pm07:40:122
4006404994035,4cyclictest87263-21kworker/2:2+pm12:35:072
4006404994035,4cyclictest4123835-21kworker/2:2+pm10:20:272
4006404994033,5cyclictest56451-21/usr/share/muni11:50:072
4006398994037,2cyclictest4175334-21kworker/u8:3+flush-179:010:55:140
4006398994037,2cyclictest4150587-21kworker/u8:0+events_unbound10:20:150
4006398994034,2cyclictest4010170-21kworker/u8:3+flush-179:007:30:150
4006408993937,1cyclictest3874607-1kworker/3:2H+kblockd09:02:563
4006408993936,2cyclictest4087956-21kworker/u8:3+events_unbound08:55:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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