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2026-01-04 - 05:19
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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 Sun Jan 04, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6012642263184,29sleep00-21swapper/019:07:370
6010862257190,52sleep10-21swapper/119:05:441
179699630,7rtkit-daemon1795-21rtkit-daemon23:00:141
179699610,4rtkit-daemon1795-21rtkit-daemon20:52:181
6036332580,4sleep0603519-21python319:15:000
7896082520,1chrt789588-21munin-run00:10:000
179699510,3rtkit-daemon1795-21rtkit-daemon20:55:251
179699490,3rtkit-daemon1795-21rtkit-daemon23:51:201
179699480,4rtkit-daemon1795-21rtkit-daemon20:36:161
8025432470,4sleep00-21swapper/000:25:200
179699450,4rtkit-daemon759580-21apt-get23:30:141
179699440,4rtkit-daemon1795-21rtkit-daemon00:14:150
179699410,3rtkit-daemon1795-21rtkit-daemon22:06:370
601618994011,7cyclictest26-21ksoftirqd/119:25:231
7166602390,4sleep00-21swapper/022:35:170
60161899391,7cyclictest261ksoftirqd/121:00:191
60161899380,8cyclictest26-21ksoftirqd/123:25:211
179699380,4rtkit-daemon0-21swapper/123:19:091
179699370,7rtkit-daemon806-21in:imuxsock19:34:460
179699370,3rtkit-daemon1795-21rtkit-daemon19:35:161
60161899360,9cyclictest26-21ksoftirqd/100:25:011
60161899360,8cyclictest26-21ksoftirqd/122:30:251
179699360,3rtkit-daemon0-21swapper/021:47:370
60161899354,6cyclictest141rcu_preempt00:00:011
60161899351,11cyclictest26-21ksoftirqd/121:15:001
179699350,4rtkit-daemon1795-21rtkit-daemon23:22:441
179699350,3rtkit-daemon0-21swapper/122:49:151
179699350,3rtkit-daemon0-21swapper/121:25:301
179699350,3rtkit-daemon0-21swapper/020:00:480
60161899344,8cyclictest26-21ksoftirqd/122:51:151
60161899342,4cyclictest26-21ksoftirqd/122:45:011
60161899341,9cyclictest26-21ksoftirqd/121:10:011
60161899341,8cyclictest26-21ksoftirqd/121:40:021
60161899340,8cyclictest26-21ksoftirqd/123:10:011
60161899340,7cyclictest26-21ksoftirqd/123:10:241
60161899340,7cyclictest26-21ksoftirqd/100:25:241
179699340,4rtkit-daemon1795-21rtkit-daemon22:19:111
179699340,3rtkit-daemon0-21swapper/121:43:330
179699340,3rtkit-daemon0-21swapper/121:13:090
179699340,3rtkit-daemon0-21swapper/119:25:570
179699340,3rtkit-daemon0-21swapper/021:35:490
179699340,3rtkit-daemon0-21swapper/021:33:561
60161899335,8cyclictest26-21ksoftirqd/100:18:151
60161899334,3cyclictest26-21ksoftirqd/122:10:251
60161899333,4cyclictest26-21ksoftirqd/123:00:001
60161899332,7cyclictest26-21ksoftirqd/122:20:021
179699330,4rtkit-daemon1795-21rtkit-daemon23:55:320
179699330,4rtkit-daemon1795-21rtkit-daemon00:34:561
179699330,3rtkit-daemon0-21swapper/121:05:080
179699330,3rtkit-daemon0-21swapper/021:49:071
60161899328,8cyclictest26-21ksoftirqd/119:45:211
60161899325,8cyclictest26-21ksoftirqd/123:40:141
60161899324,8cyclictest26-21ksoftirqd/122:00:211
60161899320,8cyclictest26-21ksoftirqd/121:40:231
179699320,5rtkit-daemon608360-21chrt19:24:470
179699320,5rtkit-daemon1858-21sendmail-mta20:34:390
179699320,3rtkit-daemon1795-21rtkit-daemon20:21:590
179699320,3rtkit-daemon0-21swapper/123:17:240
179699320,3rtkit-daemon0-21swapper/123:02:560
179699320,3rtkit-daemon0-21swapper/122:04:020
179699320,3rtkit-daemon0-21swapper/120:39:210
179699320,3rtkit-daemon0-21swapper/020:02:441
60161899311,8cyclictest26-21ksoftirqd/121:50:201
179699310,3rtkit-daemon1795-21rtkit-daemon22:33:130
179699310,3rtkit-daemon1795-21rtkit-daemon20:40:371
179699310,3rtkit-daemon0-21swapper/122:46:350
179699310,3rtkit-daemon0-21swapper/121:15:510
179699310,3rtkit-daemon0-21swapper/120:40:310
60161899304,9cyclictest26-21ksoftirqd/100:35:141
60161899304,8cyclictest26-21ksoftirqd/121:23:061
60161899303,3cyclictest26-21ksoftirqd/120:10:001
60161899303,3cyclictest26-21ksoftirqd/100:00:241
601618993013,3cyclictest141rcu_preempt00:10:101
60161899300,9cyclictest26-21ksoftirqd/122:07:191
60161899300,9cyclictest26-21ksoftirqd/120:45:221
60161899300,9cyclictest26-21ksoftirqd/119:40:211
60161899300,8cyclictest26-21ksoftirqd/123:45:181
60161899300,8cyclictest26-21ksoftirqd/119:10:211
60161899300,10cyclictest26-21ksoftirqd/122:35:181
179699300,3rtkit-daemon1795-21rtkit-daemon23:44:100
179699300,3rtkit-daemon1795-21rtkit-daemon21:21:460
179699300,3rtkit-daemon0-21swapper/123:50:310
179699300,3rtkit-daemon0-21swapper/120:29:440
179699300,3rtkit-daemon0-21swapper/119:36:570
60161899297,9cyclictest622065-21taskset19:55:481
60161899297,10cyclictest620177-21taskset19:51:291
60161899293,7cyclictest26-21ksoftirqd/119:15:031
60161899290,9cyclictest26-21ksoftirqd/120:25:211
60161899290,9cyclictest26-21ksoftirqd/120:10:251
60161899290,9cyclictest26-21ksoftirqd/119:30:201
60161899290,8cyclictest26-21ksoftirqd/122:25:261
60161899290,8cyclictest26-21ksoftirqd/121:55:101
60161899290,8cyclictest26-21ksoftirqd/120:20:171
60161899290,10cyclictest766969-21taskset23:39:541
60161499290,7cyclictest686304-21gltestperf21:55:160
179699290,3rtkit-daemon0-21swapper/121:04:210
179699290,3rtkit-daemon0-21swapper/120:53:000
179699290,3rtkit-daemon0-21swapper/021:18:541
60161899280,8cyclictest26-21ksoftirqd/120:15:251
179699280,3rtkit-daemon1795-21rtkit-daemon21:54:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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