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2025-11-26 - 08:30
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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
Characteristics of the 100 highest latencies:
System rackcslot4.osadl.org (updated Wed Nov 26, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10013962269193,27sleep10-21swapper/119:09:581
10011032265186,28sleep00-21swapper/019:06:500
11141462590,2sleep10-21swapper/122:39:331
10895802540,3sleep10-21swapper/122:05:011
125899500,5rtkit-daemon1257-21rtkit-daemon00:32:290
11327412500,3sleep11132697-21sh23:05:211
1001500994610,8cyclictest26-21ksoftirqd/123:40:011
125899450,3rtkit-daemon0-21swapper/122:13:481
125899450,3rtkit-daemon0-21swapper/120:58:441
125899440,4rtkit-daemon1074754-21ssh21:43:301
125899440,4rtkit-daemon1074754-21ssh21:43:291
125899440,3rtkit-daemon0-21swapper/120:29:001
125899430,3rtkit-daemon0-21swapper/122:08:121
125899430,3rtkit-daemon0-21swapper/121:16:401
125899420,3rtkit-daemon0-21swapper/123:44:441
125899420,3rtkit-daemon0-21swapper/122:19:261
125899420,3rtkit-daemon0-21swapper/121:05:421
100149599420,14cyclictest1050197-40apt-check21:10:270
125899410,3rtkit-daemon0-21swapper/121:52:061
125899410,3rtkit-daemon0-21swapper/120:37:491
125899410,3rtkit-daemon0-21swapper/120:11:351
100150099418,9cyclictest1071904-21perf21:40:001
100150099416,9cyclictest1188352-21grep00:25:001
125899400,3rtkit-daemon0-21swapper/120:05:481
125899400,3rtkit-daemon0-21swapper/100:03:171
100150099408,9cyclictest1139233-21apt-config23:15:011
100150099401,17cyclictest26-21ksoftirqd/122:20:161
125899390,3rtkit-daemon0-21swapper/119:59:391
100150099398,9cyclictest26-21ksoftirqd/123:35:001
100150099392,4cyclictest26-21ksoftirqd/122:30:001
1001495993910,3cyclictest141rcu_preempt21:25:000
125899380,3rtkit-daemon0-21swapper/123:23:551
125899380,3rtkit-daemon0-21swapper/121:30:401
125899380,3rtkit-daemon0-21swapper/121:03:141
125899380,3rtkit-daemon0-21swapper/120:20:281
100150099389,8cyclictest1107474-21apt-get22:30:121
100150099388,9cyclictest26-21ksoftirqd/120:50:241
100150099386,10cyclictest26-21ksoftirqd/119:25:011
100150099383,6cyclictest26-21ksoftirqd/123:55:031
100150099381,4cyclictest26-21ksoftirqd/121:15:011
100150099380,35cyclictest1016163-21munin-run19:45:001
1001495993810,2cyclictest141rcu_preempt21:35:010
125899370,3rtkit-daemon0-21swapper/119:39:501
100150099377,9cyclictest26-21ksoftirqd/119:15:011
100150099372,5cyclictest26-21ksoftirqd/100:35:001
100149599378,3cyclictest141rcu_preempt23:45:240
1001495993710,3cyclictest141rcu_preempt22:55:010
1001495993710,3cyclictest141rcu_preempt22:55:000
1001495993710,3cyclictest141rcu_preempt22:00:010
1001495993710,3cyclictest141rcu_preempt00:00:010
100150099368,9cyclictest1124994-21wc22:55:001
100150099368,9cyclictest1124994-21wc22:55:001
100150099365,3cyclictest141rcu_preempt23:55:001
100150099362,3cyclictest26-21ksoftirqd/122:50:001
10330012350,1sleep00-21swapper/020:25:230
100150099358,10cyclictest26-21ksoftirqd/121:50:011
1001500993518,7cyclictest1135988-21ssh23:10:181
100150099351,4cyclictest26-21ksoftirqd/100:05:211
100149599359,2cyclictest141rcu_preempt19:55:000
100149599358,3cyclictest141rcu_preempt00:30:000
100149599358,2cyclictest141rcu_preempt22:30:010
1001495993510,2cyclictest141rcu_preempt23:35:010
100150099349,12cyclictest1114642-21apt-get22:40:141
100150099348,9cyclictest26-21ksoftirqd/100:27:331
100150099345,2cyclictest141rcu_preempt20:30:241
100150099342,4cyclictest26-21ksoftirqd/123:25:261
100149599349,3cyclictest141rcu_preempt23:30:000
100149599349,3cyclictest141rcu_preempt22:35:120
100149599349,3cyclictest141rcu_preempt19:15:010
100149599349,2cyclictest141rcu_preempt21:45:240
100149599349,11cyclictest141rcu_preempt22:20:140
100149599348,2cyclictest141rcu_preempt22:45:020
100150099338,2cyclictest141rcu_preempt21:29:131
100150099336,9cyclictest1086088-21munin-run22:00:001
100150099334,6cyclictest26-21ksoftirqd/100:15:131
100150099334,2cyclictest141rcu_preempt00:35:301
100150099331,5cyclictest26-21ksoftirqd/123:00:121
1001500993311,3cyclictest141rcu_preempt21:20:161
100149599339,2cyclictest141rcu_preempt20:35:000
100149599338,2cyclictest141rcu_preempt23:10:000
100149599338,2cyclictest141rcu_preempt21:55:010
100149599331,12cyclictest1030477-21expr20:20:180
1001495993310,3cyclictest141rcu_preempt22:10:200
1001495993310,3cyclictest141rcu_preempt00:00:250
100150099328,8cyclictest26-21ksoftirqd/123:45:171
100150099328,10cyclictest26-21ksoftirqd/100:10:581
100150099322,5cyclictest26-21ksoftirqd/120:00:231
100150099322,4cyclictest26-21ksoftirqd/119:30:211
100149599329,3cyclictest141rcu_preempt22:30:170
100149599329,3cyclictest141rcu_preempt22:05:160
100149599329,3cyclictest141rcu_preempt22:00:170
100149599329,3cyclictest141rcu_preempt20:55:230
100149599329,3cyclictest141rcu_preempt20:45:120
1001495993229,2cyclictest63750irq/132-enp2s021:43:470
1001495993229,2cyclictest63750irq/132-enp2s021:43:470
1001495993212,9cyclictest13-21ksoftirqd/023:15:010
125899310,5rtkit-daemon1004181-21apt-get19:15:101
100150099319,9cyclictest26-21ksoftirqd/119:29:431
100150099318,10cyclictest26-21ksoftirqd/119:45:041
100150099313,5cyclictest26-21ksoftirqd/119:50:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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