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2025-11-09 - 22:43
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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 Nov 09, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8994162232203,19sleep10-21swapper/107:08:501
8994892229200,18sleep20-21swapper/207:09:492
8992022222192,19sleep30-21swapper/307:06:033
8991992218190,18sleep00-21swapper/007:06:000
899653995648,7cyclictest906183-21apt-get07:15:120
899654995241,10cyclictest1072989-21ntpq10:30:051
899660995146,4cyclictest916851-21kworker/u8:0+events_unbound08:50:023
899655995047,2cyclictest921393-21kworker/u8:4+flush-179:007:40:142
899653995047,2cyclictest0-21swapper/010:45:020
899654994946,2cyclictest966933-21kworker/u8:1+flush-179:009:40:251
899653994942,4cyclictest930370-21chrome07:45:010
899653994841,5cyclictest1137519-21latency_hist11:45:000
899655994744,2cyclictest1120091-21kworker/u8:1+flush-179:011:25:122
899654994743,3cyclictest983227-21ThreadPoolForeg08:45:121
899655994642,3cyclictest966933-21kworker/u8:1+events_unbound08:35:002
899655994526,18cyclictest66610-21ntpd09:50:292
899653994431,12cyclictest479351-1kworker/0:1H+kblockd11:00:090
899660994339,3cyclictest921111-21kworker/u8:3+flush-179:007:50:103
899653994335,6cyclictest943335-21/usr/share/muni08:00:030
899660994239,2cyclictest966933-21kworker/u8:1+events_unbound09:00:153
899660994239,2cyclictest1094093-21kworker/u8:1+flush-179:011:00:053
899655994239,2cyclictest1029568-21kworker/u8:0+events_unbound10:00:162
899655994238,3cyclictest1046680-21kworker/u8:3+flush-179:010:30:142
899654994239,2cyclictest1150375-21kworker/u8:0+events_unbound12:10:251
899654994239,2cyclictest1120091-21kworker/u8:1+events_unbound12:20:101
899660994138,2cyclictest1098589-21kworker/u8:2+events_unbound11:30:143
899655994139,1cyclictest809371-21kworker/2:3+pm10:10:042
899655994137,3cyclictest1035265-21kworker/u8:2+flush-179:009:45:152
899654994138,2cyclictest966933-21kworker/u8:1+flush-179:009:55:151
899654994138,2cyclictest1002855-21kworker/u8:2+events_unbound09:10:161
899654994137,3cyclictest906784-21ntpq07:15:161
899654994137,3cyclictest1098589-21kworker/u8:2+events_unbound11:05:001
899660994036,3cyclictest966933-21kworker/u8:1+flush-179:008:35:013
899660994036,3cyclictest1076363-21kworker/u8:0+flush-179:011:15:113
899660994036,3cyclictest1002855-21kworker/u8:2+flush-179:009:10:053
899660994035,3cyclictest1135399-21cat11:40:143
899660994033,6cyclictest1150375-21kworker/u8:0+flush-179:012:10:153
899655994037,2cyclictest976848-21kworker/u8:2+flush-179:008:50:172
899655994037,2cyclictest809371-21kworker/2:3+pm09:05:282
899655994037,2cyclictest1159011-21kworker/2:1+pm12:35:292
899654994037,2cyclictest921111-21kworker/u8:3+flush-179:008:05:051
899653994034,4cyclictest1024837-21latency_hist09:35:010
899660993936,2cyclictest1142053-21kworker/u8:3+events_unbound11:50:143
899660993935,3cyclictest1015613-21munin-limits09:20:273
899660993928,10cyclictest1150375-21kworker/u8:0+flush-179:012:00:103
899655993937,1cyclictest809371-21kworker/2:3+pm10:15:132
899655993937,1cyclictest809371-21kworker/2:3+pm09:31:242
899655993937,1cyclictest809371-21kworker/2:3+pm09:25:472
899655993937,1cyclictest809371-21kworker/2:3+pm08:10:522
899655993937,1cyclictest809371-21kworker/2:3+pm08:05:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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