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2025-09-17 - 07:43
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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 100 highest latencies:
System rackbslot2.osadl.org (updated Tue Sep 16, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3656152240210,20sleep30-21swapper/307:06:253
3656292235179,19sleep00-21swapper/007:06:340
3658912230201,20sleep20-21swapper/207:09:592
3658382223193,19sleep10-21swapper/107:09:171
366033997774,2cyclictest370167-21kworker/u8:4+flush-179:007:50:040
366035995954,2cyclictest604274-21chrome11:45:012
366036995853,3cyclictest582660-21munin-update11:20:273
366033995753,1cyclictest604326-21snmp_wlanswitch11:45:010
366035995550,4cyclictest621896-21/usr/share/muni12:05:162
366036995044,4cyclictest397564-21chrome07:45:023
366036995044,4cyclictest397564-21chrome07:45:023
366033995043,6cyclictest522433-21kworker/u8:4+flush-179:010:10:140
366035994945,3cyclictest648080-21kworker/u8:0+events_unbound12:35:052
366033994844,3cyclictest474308-21kworker/u8:0+flush-179:009:25:060
366033994743,3cyclictest547849-21kworker/u8:3+flush-179:011:00:000
366036994642,3cyclictest571957-21cat11:05:143
366035994643,2cyclictest388434-21kworker/u8:2+flush-179:008:10:152
366035994642,3cyclictest423121-21kworker/u8:3+flush-179:008:20:052
366036994533,1cyclictest505246-21kworker/3:1+pm11:53:553
366035994542,2cyclictest599626-21kworker/u8:3+flush-179:011:50:112
366035994532,2cyclictest457244-21kworker/u8:1+flush-179:009:05:102
366034994540,4cyclictest483503-21/usr/share/muni09:25:031
4879272440,0chrt487760-21/usr/share/muni09:30:032
366035994442,1cyclictest569537-21kworker/u8:4+events_unbound11:15:132
366035994341,2cyclictest500682-21kworker/u8:3+flush-179:009:55:002
366035994339,3cyclictest639202-21kworker/u8:3+flush-179:012:30:052
366035994339,3cyclictest574291-21/usr/share/muni11:10:112
366035994337,2cyclictest540490-21kworker/u8:0+events_unbound10:40:142
366035994337,2cyclictest540490-21kworker/u8:0+events_unbound10:40:142
366034994339,3cyclictest608359-21kworker/u8:4+events_unbound12:25:141
366035994239,2cyclictest353006-21kworker/u8:1+flush-179:007:10:132
366035994237,4cyclictest587154-21/usr/share/muni11:25:142
366034994238,2cyclictest604255-21ThreadPoolForeg11:45:011
366035994138,2cyclictest457244-21kworker/u8:1+flush-179:009:45:252
366035994136,3cyclictest554642-21apt-get10:45:152
366036994037,2cyclictest322068-21kworker/3:2+pm07:50:263
366036994033,5cyclictest519695-21ntpq10:05:083
366035994038,2cyclictest590878-21kworker/u8:1+flush-179:011:40:142
366033994037,2cyclictest423121-21kworker/u8:3+flush-179:008:50:040
366036993935,3cyclictest552809-21ThreadPoolSingl10:45:013
366035993937,1cyclictest544425-21kworker/2:0+pm11:00:172
366035993937,1cyclictest495754-21kworker/2:1+pm10:01:252
366035993937,1cyclictest470352-21kworker/2:0+pm09:15:272
366035993937,1cyclictest426720-21kworker/2:2+pm08:25:452
366035993936,2cyclictest544425-21kworker/2:0+pm10:55:042
366035993936,2cyclictest495754-21kworker/2:1+pm10:30:032
366035993936,2cyclictest495754-21kworker/2:1+pm10:30:032
366035993936,2cyclictest495754-21kworker/2:1+pm09:55:522
366035993936,2cyclictest376700-21kworker/2:1+pm08:01:522
366034993934,4cyclictest66789-1kworker/1:0H+kblockd09:45:021
366033993936,2cyclictest540490-21kworker/u8:0+flush-179:010:35:150
366033993935,3cyclictest388434-21kworker/u8:2+flush-179:009:10:140
366033993935,3cyclictest388434-21kworker/u8:2+events_unbound07:35:100
366036993834,2cyclictest531746-1kworker/3:0H+kblockd12:15:043
366036993834,2cyclictest2656-1kworker/3:2H+kblockd09:05:563
366036993833,3cyclictest2656-1kworker/3:2H+kblockd09:55:033
366036993830,6cyclictest397744-21ThreadPoolForeg07:45:053
366035993837,1cyclictest470352-21kworker/2:0+pm09:26:322
366035993836,1cyclictest627241-21awk12:10:072
366035993836,1cyclictest595473-21kworker/2:1+pm12:20:112
366035993836,1cyclictest544425-21kworker/2:0+pm10:50:572
366035993836,1cyclictest544425-21kworker/2:0+pm10:38:392
366035993836,1cyclictest495754-21kworker/2:1+pm10:15:042
366035993836,1cyclictest495754-21kworker/2:1+pm10:05:162
366035993836,1cyclictest376700-21kworker/2:1+pm08:15:452
366035993836,1cyclictest376700-21kworker/2:1+pm07:35:022
366035993836,1cyclictest376700-21kworker/2:1+pm07:30:112
366035993836,1cyclictest376700-21kworker/2:1+pm07:25:122
366035993836,1cyclictest370516-21kworker/2:3+pm07:20:032
366035993836,1cyclictest370516-21kworker/2:3+pm07:15:102
366035993835,2cyclictest544425-21kworker/2:0+pm11:30:282
366035993835,2cyclictest449083-21chrome08:45:012
366033993835,2cyclictest639202-21kworker/u8:3+events_unbound12:30:150
366033993831,5cyclictest1-21systemd09:05:000
4191352370,1chrt419136-21snmp_wlanswitch08:10:013
366036993736,1cyclictest616227-21kworker/3:2+pm12:11:553
366036993734,2cyclictest531746-1kworker/3:0H+kblockd12:06:573
366036993734,2cyclictest2656-1kworker/3:2H+kblockd09:46:303
366036993734,2cyclictest2656-1kworker/3:2H+kblockd08:50:553
366036993734,2cyclictest2656-1kworker/3:2H+kblockd08:39:053
366036993733,2cyclictest423121-21kworker/u8:3+flush-179:008:45:133
366035993736,1cyclictest495754-21kworker/2:1+pm09:44:032
366035993735,1cyclictest595473-21kworker/2:1+pm12:01:392
366035993735,1cyclictest495754-21kworker/2:1+pm10:23:072
366035993735,1cyclictest495754-21kworker/2:1+pm10:11:502
366035993735,1cyclictest470352-21kworker/2:0+pm09:35:552
366035993735,1cyclictest376700-21kworker/2:1+pm08:05:032
366035993735,1cyclictest376700-21kworker/2:1+pm07:55:472
366035993735,1cyclictest376700-21kworker/2:1+pm07:40:502
366035993735,1cyclictest376700-21kworker/2:1+pm07:40:502
366035993735,1cyclictest2893510-1kworker/2:2H+kblockd09:10:282
366035993735,1cyclictest2893510-1kworker/2:2H+kblockd08:50:372
366035993734,2cyclictest393064-21kworker/u8:1+events_unbound07:50:142
366035993733,2cyclictest376700-21kworker/2:1+pm07:45:122
366035993729,3cyclictest457244-21kworker/u8:1+events_unbound09:00:032
36603599371,2cyclictest439884-31munin-graph08:31:082
366034993735,1cyclictest599751-21kworker/1:3+pm12:05:101
366034993735,1cyclictest1318-21snmpd10:02:051
366034993733,3cyclictest552213-21kworker/u8:1+flush-179:010:45:071
366033993734,2cyclictest501032-13chrome09:45:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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