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2026-07-01 - 19:56
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack3slot6.osadl.org (updated Wed Jul 01, 2026 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3102210129,25sleep10-21swapper/107:07:091
2978821000,6chrt29789-21/usr/sbin/munin11:20:161
9092970,5chrt908-21/usr/sbin/munin08:30:241
258662940,6chrt25867-21if_err_enp2s009:40:230
3554998974,11cyclictest26-21ksoftirqd/110:15:251
3554998949,26cyclictest26-21ksoftirqd/112:15:121
3554998871,10cyclictest14270-21kworker/1:009:20:121
213928136,28sleep00-21swapper/007:05:180
3554997947,20cyclictest26-21ksoftirqd/109:30:131
3554997749,16cyclictest26-21ksoftirqd/110:35:131
3554997746,19cyclictest26-21ksoftirqd/108:40:161
354999775,20cyclictest21889-21apt-get09:30:130
354999772,46cyclictest14445-31find07:38:540
3554997646,18cyclictest26-21ksoftirqd/108:45:131
157792750,6sleep0171rcuc/007:40:350
3554997445,18cyclictest26-21ksoftirqd/110:45:251
3554997445,16cyclictest26-21ksoftirqd/111:05:121
3554997241,17cyclictest0-21swapper/111:40:121
3554997144,17cyclictest26-21ksoftirqd/111:35:231
3554997142,18cyclictest26-21ksoftirqd/109:10:151
3554997142,17cyclictest0-21swapper/107:40:141
3549997148,9cyclictest14-21ksoftirqd/008:10:460
3554997039,18cyclictest0-21swapper/108:20:161
3554996942,16cyclictest0-21swapper/107:15:121
3554996939,17cyclictest0-21swapper/109:35:141
3549996933,19cyclictest14-21ksoftirqd/010:40:150
3549996930,34cyclictest14-21ksoftirqd/009:05:360
166022690,7chrt0-21swapper/109:15:121
3554996837,18cyclictest0-21swapper/112:20:121
3554996735,19cyclictest0-21swapper/109:25:131
3549996741,10cyclictest14-21ksoftirqd/008:25:230
3549996713,19cyclictest25334-21cron12:40:000
3554996638,15cyclictest0-21swapper/112:10:111
3554996637,17cyclictest0-21swapper/108:15:121
3549996616,32cyclictest562-21runrttasks09:26:010
3554996537,18cyclictest0-21swapper/112:25:151
3554996536,16cyclictest0-21swapper/112:30:141
354999659,39cyclictest0-21swapper/010:49:310
3549996520,19cyclictest14-21ksoftirqd/008:15:160
3549996518,33cyclictest14-21ksoftirqd/007:25:360
3554996437,16cyclictest0-21swapper/109:40:121
3554996436,18cyclictest0-21swapper/110:00:251
3554996436,18cyclictest0-21swapper/110:00:251
3554996434,19cyclictest23728-21taskset12:35:151
3549996438,11cyclictest14-21ksoftirqd/008:35:280
3549996435,11cyclictest14-21ksoftirqd/011:15:050
3549996434,15cyclictest14-21ksoftirqd/009:20:180
3549996431,29cyclictest14-21ksoftirqd/010:50:440
3549996420,19cyclictest14-21ksoftirqd/008:05:050
3549996413,18cyclictest14-21ksoftirqd/012:30:150
3554996337,17cyclictest26-21ksoftirqd/112:00:101
3554996332,19cyclictest0-21swapper/110:40:131
3549996342,9cyclictest14-21ksoftirqd/008:59:540
3549996316,18cyclictest14-21ksoftirqd/011:35:260
3554996235,16cyclictest0-21swapper/112:05:141
3554996230,19cyclictest0-21swapper/108:50:131
3554996219,34cyclictest0-21swapper/110:25:131
3549996240,15cyclictest9672-21apt-get10:25:130
3549996234,12cyclictest14-21ksoftirqd/008:50:010
3549996229,20cyclictest14-21ksoftirqd/010:09:010
3549996228,18cyclictest14-21ksoftirqd/011:02:320
3549996222,20cyclictest14-21ksoftirqd/008:30:250
3549996218,31cyclictest14-21ksoftirqd/007:10:310
3549996217,15cyclictest12768-21cat07:35:010
3549996215,12cyclictest14-21ksoftirqd/009:39:010
3549996213,26cyclictest30759-21runrttasks11:20:560
3549996212,8cyclictest151rcu_preempt10:00:050
3549996212,8cyclictest151rcu_preempt10:00:050
355499618,11cyclictest26-21ksoftirqd/111:15:211
3554996131,20cyclictest24152-21apt-get08:05:141
3554996130,18cyclictest0-21swapper/107:35:161
3554996116,41cyclictest0-21swapper/111:10:191
354999617,45cyclictest0-21swapper/007:20:130
3549996126,13cyclictest14-21ksoftirqd/007:15:030
354999612,40cyclictest507-21ntpd09:15:290
3549996123,18cyclictest14-21ksoftirqd/008:20:360
3549996122,20cyclictest14-21ksoftirqd/012:07:280
3549996121,21cyclictest14-21ksoftirqd/011:50:170
3549996116,12cyclictest14-21ksoftirqd/010:40:000
148502610,6chrt0-21swapper/009:10:080
3554996032,20cyclictest3541-21cyclictest07:50:121
3554996031,18cyclictest0-21swapper/107:20:161
3554996030,24cyclictest26-21ksoftirqd/107:45:131
3554996030,17cyclictest0-21swapper/111:50:131
354999608,41cyclictest0-21swapper/007:50:120
3549996026,17cyclictest14-21ksoftirqd/011:31:140
3549996025,22cyclictest14-21ksoftirqd/008:45:010
3549996022,13cyclictest14-21ksoftirqd/010:15:420
3549996021,19cyclictest14-21ksoftirqd/012:14:450
3549996021,19cyclictest14-21ksoftirqd/012:00:010
3549996020,18cyclictest14-21ksoftirqd/009:55:320
3549996014,16cyclictest7930-21/usr/sbin/munin10:20:180
355499597,39cyclictest31315-21apt-get11:25:131
3554995914,40cyclictest0-21swapper/111:45:261
3554995913,40cyclictest0-21swapper/107:55:361
3549995936,18cyclictest14-21ksoftirqd/011:25:240
3549995922,19cyclictest14-21ksoftirqd/011:05:160
3549995921,19cyclictest14-21ksoftirqd/011:44:390
3549995920,22cyclictest14-21ksoftirqd/009:50:160
3549995917,13cyclictest14-21ksoftirqd/011:45:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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