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2025-11-18 - 21:53
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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 Nov 18, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37858422253197,19sleep30-21swapper/307:09:593
37856422232179,19sleep00-21swapper/007:07:230
37856812226197,20sleep20-21swapper/207:07:532
37857002223194,19sleep10-21swapper/107:08:091
39786402630,1chrt3978316-21/usr/share/muni10:50:040
378600099620,3cyclictest3816704-21chrome07:45:000
3786009995952,5cyclictest3862007-21apt-get08:35:152
3786009995145,4cyclictest4038929-21latency_hist12:00:012
3786009995145,4cyclictest4038929-21latency_hist12:00:012
3786005994945,3cyclictest3852310-21apt-get08:25:061
3786009994743,3cyclictest3934357-21base6410:00:002
3786009994635,10cyclictest3977513-21kworker/2:0+pm11:20:172
3786011994440,2cyclictest3816683-21ThreadPoolForeg07:45:003
3786005994434,9cyclictest3763985-21kworker/u8:0+events_unbound07:20:241
3786000994440,3cyclictest3890324-21kworker/u8:0+flush-179:009:30:130
3786009994331,11cyclictest3678929-1kworker/2:1H+kblockd10:38:092
3786009994319,23cyclictest3964430-21kworker/u8:1+events_unbound10:50:112
3786000994339,3cyclictest3907748-21latency_hist09:30:000
3786000994339,3cyclictest3907748-21latency_hist09:30:000
3786000994338,4cyclictest3812389-21/usr/share/muni07:40:120
3786009994239,2cyclictest3763985-21kworker/u8:0+events_unbound07:50:142
3786005994238,3cyclictest3959819-21kworker/u8:3+flush-179:010:30:141
3786005994237,3cyclictest3938650-21latency_hist10:05:011
3786000994237,4cyclictest3808075-21/usr/share/muni07:35:150
3786011994134,5cyclictest4021564-21/usr/share/muni11:40:103
3786009994123,17cyclictest3874540-21awk08:50:122
3786009994037,2cyclictest4033930-21kworker/2:1+pm12:26:042
3786009994036,2cyclictest3816755-21snmp_wanswitch.07:45:012
3786000994027,1cyclictest3237810-1kworker/0:1H+kblockd12:31:170
3786011993936,2cyclictest3763985-21kworker/u8:0+flush-179:007:20:003
3786009993937,1cyclictest4033930-21kworker/2:1+pm12:20:172
3786009993937,1cyclictest4033930-21kworker/2:1+pm12:00:182
3786009993937,1cyclictest3977513-21kworker/2:0+pm11:45:452
3786009993937,1cyclictest3977513-21kworker/2:0+pm11:31:082
3786009993937,1cyclictest3887937-21kworker/2:1+pm10:20:122
3786009993937,1cyclictest3887937-21kworker/2:1+pm09:50:102
3786009993937,1cyclictest3833387-21kworker/2:2+pm08:16:282
3786009993935,3cyclictest3833387-21kworker/2:2+pm08:30:042
3786009993935,2cyclictest3887937-21kworker/2:1+pm09:20:042
3786005993936,2cyclictest3811767-21kworker/u8:3+events_unbound08:45:081
3786005993936,2cyclictest3505666-1kworker/1:2H+kblockd09:27:301
3786005993936,2cyclictest3505666-1kworker/1:2H+kblockd09:27:301
3786011993836,1cyclictest1318-21snmpd11:08:093
3786011993834,3cyclictest3931004-21apt-get09:55:083
3786009993836,1cyclictest4065009-21kworker/2:0+pm12:35:012
3786009993836,1cyclictest4033930-21kworker/2:1+pm12:12:062
3786009993836,1cyclictest3977513-21kworker/2:0+pm11:05:312
3786009993836,1cyclictest3977513-21kworker/2:0+pm11:00:272
3786009993836,1cyclictest3887937-21kworker/2:1+pm10:26:012
3786009993836,1cyclictest3887937-21kworker/2:1+pm10:05:282
3786009993836,1cyclictest3887937-21kworker/2:1+pm09:19:072
3786009993836,1cyclictest3863718-21kworker/2:0+pm08:56:082
3786009993836,1cyclictest3768517-21kworker/2:2+pm07:10:262
3786009993835,2cyclictest3678929-1kworker/2:1H+kblockd09:40:022
3786005993837,1cyclictest3763942-21kworker/1:0+pm07:40:211
3786000993836,1cyclictest3837982-21kworker/0:2+pm08:10:220
39170932370,1chrt3916926-21/usr/share/muni09:40:013
3786011993735,1cyclictest3746476-1kworker/3:0H+kblockd09:05:393
3786011993734,2cyclictest3746476-1kworker/3:0H+kblockd12:14:373
3786011993734,2cyclictest3746476-1kworker/3:0H+kblockd07:15:013
3786009993735,1cyclictest3887937-21kworker/2:1+pm10:14:202
3786009993735,1cyclictest3887937-21kworker/2:1+pm09:35:202
3786009993735,1cyclictest3790021-21kworker/2:0+pm07:25:122
3786009993735,1cyclictest3790021-21kworker/2:0+pm07:21:342
3786009993734,2cyclictest3678929-1kworker/2:1H+kblockd08:14:552
3786009993730,6cyclictest3887937-21kworker/2:1+pm10:40:592
3786005993735,1cyclictest3921244-21/usr/share/muni09:45:011
3786005993734,2cyclictest3505666-1kworker/1:2H+kblockd10:14:121
3786005993734,2cyclictest3505666-1kworker/1:2H+kblockd07:25:091
3786005993734,1cyclictest3505666-1kworker/1:2H+kblockd08:35:381
3786005993733,2cyclictest3505666-1kworker/1:2H+kblockd12:05:461
3786000993735,1cyclictest3837982-21kworker/0:2+pm11:34:040
3786000993735,1cyclictest3785979-21kworker/0:0+pm07:55:100
3786000993734,2cyclictest3237810-1kworker/0:1H+kblockd10:20:010
3786000993734,2cyclictest3237810-1kworker/0:1H+kblockd08:05:170
3786011993635,1cyclictest3881495-21kworker/3:1+pm10:09:513
3786011993634,1cyclictest3746476-1kworker/3:0H+kblockd10:49:523
3786011993634,1cyclictest3746476-1kworker/3:0H+kblockd10:25:163
3786011993634,1cyclictest3746476-1kworker/3:0H+kblockd09:18:183
3786011993634,1cyclictest3746476-1kworker/3:0H+kblockd08:48:093
3786011993634,1cyclictest3746476-1kworker/3:0H+kblockd08:23:503
3786011993634,1cyclictest3746476-1kworker/3:0H+kblockd07:23:113
3786011993633,2cyclictest3811767-21kworker/u8:3+flush-179:008:25:263
3786011993633,2cyclictest3746476-1kworker/3:0H+kblockd12:01:433
3786011993633,2cyclictest3746476-1kworker/3:0H+kblockd11:10:213
3786011993632,3cyclictest3857409-21apt-get08:30:143
3786009993634,1cyclictest4033930-21kworker/2:1+pm12:09:072
3786009993634,1cyclictest3863718-21kworker/2:0+pm09:05:562
3786009993634,1cyclictest3863718-21kworker/2:0+pm09:00:272
3786009993634,1cyclictest3863718-21kworker/2:0+pm08:46:082
3786009993634,1cyclictest3833387-21kworker/2:2+pm08:26:592
3786009993634,1cyclictest3790021-21kworker/2:0+pm07:55:592
3786009993634,1cyclictest3678929-1kworker/2:1H+kblockd10:49:482
3786009993634,1cyclictest3678929-1kworker/2:1H+kblockd07:43:372
3786009993634,1cyclictest3678929-1kworker/2:1H+kblockd07:38:422
3786009993633,2cyclictest3678929-1kworker/2:1H+kblockd09:25:272
3786009993633,2cyclictest3678929-1kworker/2:1H+kblockd09:25:272
3786009993632,2cyclictest3678929-1kworker/2:1H+kblockd09:45:032
3786005993635,1cyclictest3920977-21kworker/1:1+pm11:27:371
3786005993633,2cyclictest3759589-21kworker/u8:2+events_unbound07:10:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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