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2026-05-11 - 08:13
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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 highest latencies:
System rackcslot4.osadl.org (updated Mon May 11, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17265602246188,44sleep10-21swapper/119:07:161
17264462239197,28sleep00-21swapper/019:06:010
18596902590,2sleep01858865-21/usr/sbin/munin23:00:220
179699560,4rtkit-daemon1795-21rtkit-daemon23:06:451
179699540,4rtkit-daemon1795-21rtkit-daemon23:02:191
179699540,3rtkit-daemon1795-21rtkit-daemon00:19:021
179699530,6rtkit-daemon1795-21rtkit-daemon20:25:140
179699530,1rtkit-daemon1795-21rtkit-daemon21:25:120
179699520,9rtkit-daemon0-21swapper/020:37:240
179699520,3rtkit-daemon1795-21rtkit-daemon23:45:180
179699520,3rtkit-daemon1795-21rtkit-daemon19:40:191
179699510,4rtkit-daemon1795-21rtkit-daemon00:02:411
179699500,3rtkit-daemon1795-21rtkit-daemon21:50:201
179699500,3rtkit-daemon0-21swapper/020:45:430
179699480,3rtkit-daemon0-21swapper/020:43:490
179699480,3rtkit-daemon0-21swapper/020:19:040
179699480,3rtkit-daemon0-21swapper/019:14:010
179699470,3rtkit-daemon1795-21rtkit-daemon23:42:381
179699470,3rtkit-daemon1795-21rtkit-daemon21:53:090
179699470,3rtkit-daemon1795-21rtkit-daemon21:30:111
179699470,3rtkit-daemon1795-21rtkit-daemon19:26:111
179699470,1rtkit-daemon1795-21rtkit-daemon00:12:570
179699460,3rtkit-daemon1795-21rtkit-daemon19:23:590
179699460,3rtkit-daemon0-21swapper/020:07:520
179699460,3rtkit-daemon0-21swapper/019:47:050
179699450,4rtkit-daemon1795-21rtkit-daemon23:27:020
179699450,1rtkit-daemon1795-21rtkit-daemon23:12:030
179699440,4rtkit-daemon1795-21rtkit-daemon22:17:360
179699440,1rtkit-daemon1795-21rtkit-daemon19:31:350
179699440,17rtkit-daemon1795-21rtkit-daemon19:57:060
19255082430,4sleep01726976-21cyclictest00:29:470
179699430,3rtkit-daemon0-21swapper/022:00:211
179699430,3rtkit-daemon0-21swapper/019:47:241
179699430,1rtkit-daemon1795-21rtkit-daemon23:41:210
179699430,1rtkit-daemon1795-21rtkit-daemon21:57:170
179699430,1rtkit-daemon1795-21rtkit-daemon19:36:310
179699420,3rtkit-daemon1795-21rtkit-daemon22:55:040
179699420,3rtkit-daemon0-21swapper/021:04:201
179699420,1rtkit-daemon1795-21rtkit-daemon21:24:160
179699410,3rtkit-daemon0-21swapper/119:19:011
179699410,1rtkit-daemon1795-21rtkit-daemon22:48:170
18725032400,3chrt0-21swapper/023:16:250
179699400,4rtkit-daemon1795-21rtkit-daemon23:19:201
179699400,4rtkit-daemon0-21swapper/020:53:561
179699400,3rtkit-daemon1795-21rtkit-daemon22:28:041
179699400,3rtkit-daemon0-21swapper/021:08:041
179699390,3rtkit-daemon1795-21rtkit-daemon23:31:511
179699390,3rtkit-daemon1795-21rtkit-daemon21:55:521
179699390,3rtkit-daemon1795-21rtkit-daemon21:36:581
179699390,3rtkit-daemon0-21swapper/021:45:141
179699390,3rtkit-daemon0-21swapper/021:41:550
179699390,3rtkit-daemon0-21swapper/019:53:001
179699380,3rtkit-daemon0-21swapper/022:11:361
179699380,3rtkit-daemon0-21swapper/020:26:001
179699380,3rtkit-daemon0-21swapper/020:14:010
179699380,3rtkit-daemon0-21swapper/019:12:231
1726995993823,5cyclictest26-21ksoftirqd/122:35:001
179699370,3rtkit-daemon0-21swapper/022:39:081
179699370,3rtkit-daemon0-21swapper/021:39:400
179699370,3rtkit-daemon0-21swapper/020:05:241
179699370,3rtkit-daemon0-21swapper/020:01:360
179699370,12rtkit-daemon0-21swapper/100:01:310
179699370,11rtkit-daemon0-21swapper/100:08:440
1726995993721,6cyclictest26-21ksoftirqd/100:35:011
179699360,10rtkit-daemon0-21swapper/123:57:060
1726995993614,11cyclictest1847716-21ssh22:45:121
18875132350,2sleep01776126-21diskmemload23:36:300
179699350,3rtkit-daemon0-21swapper/021:19:221
1726980993513,5cyclictest13-21ksoftirqd/022:10:390
179699340,4rtkit-daemon1795-21rtkit-daemon20:52:410
1726995993418,6cyclictest26-21ksoftirqd/100:25:001
1726995993412,12cyclictest26-21ksoftirqd/121:27:341
179699330,3rtkit-daemon0-21swapper/022:43:390
172699599339,2cyclictest141rcu_preempt00:30:001
172699599337,11cyclictest26-21ksoftirqd/122:05:141
1726995993317,5cyclictest26-21ksoftirqd/121:45:001
1726995993310,11cyclictest26-21ksoftirqd/100:10:001
179699320,4rtkit-daemon1795-21rtkit-daemon19:25:150
179699320,3rtkit-daemon1795-21rtkit-daemon21:18:110
179699320,3rtkit-daemon1795-21rtkit-daemon20:57:140
179699320,3rtkit-daemon0-21swapper/122:28:120
179699320,3rtkit-daemon0-21swapper/019:58:141
172699599322,22cyclictest1878720-21gltestperf23:25:161
1726995993216,6cyclictest26-21ksoftirqd/119:40:001
1726995993214,8cyclictest26-21ksoftirqd/122:15:231
179699310,4rtkit-daemon1795-21rtkit-daemon22:02:260
179699310,4rtkit-daemon1795-21rtkit-daemon20:32:281
1726995993116,5cyclictest26-21ksoftirqd/119:35:001
1726995993116,5cyclictest26-21ksoftirqd/100:40:011
179699300,4rtkit-daemon1795-21rtkit-daemon22:08:220
172699599309,7cyclictest26-21ksoftirqd/122:55:011
172699599309,10cyclictest26-21ksoftirqd/123:55:011
1726995993014,5cyclictest26-21ksoftirqd/121:00:001
1726995993014,5cyclictest26-21ksoftirqd/120:40:001
1726995993013,5cyclictest26-21ksoftirqd/122:22:111
1726995993012,6cyclictest26-21ksoftirqd/123:48:461
1726995993012,6cyclictest26-21ksoftirqd/123:35:141
1726995993012,5cyclictest26-21ksoftirqd/123:55:091
1726995993011,6cyclictest26-21ksoftirqd/123:20:131
172699599299,6cyclictest26-21ksoftirqd/120:00:011
172699599299,4cyclictest26-21ksoftirqd/120:20:011
1726995992914,5cyclictest26-21ksoftirqd/120:10:111
1726995992911,6cyclictest26-21ksoftirqd/122:55:101
1726995992911,6cyclictest26-21ksoftirqd/100:11:061
172699599291,14cyclictest1776126-21diskmemload22:44:051
172698099290,8cyclictest1875130-21load23:20:190
172699599286,6cyclictest26-21ksoftirqd/120:25:011
1726995992812,6cyclictest26-21ksoftirqd/120:40:101
1726995992812,5cyclictest26-21ksoftirqd/121:20:111
172699599281,14cyclictest1776126-21diskmemload21:14:241
172698099287,3cyclictest141rcu_preempt23:35:020
172698099281,7cyclictest1776126-21diskmemload22:35:140
1726995992710,4cyclictest1866270-21kworker/u8:323:10:021
172698099279,4cyclictest13-21ksoftirqd/023:51:570
172698099279,4cyclictest13-21ksoftirqd/000:21:460
172698099279,2cyclictest141rcu_preempt21:45:440
172698099278,4cyclictest13-21ksoftirqd/000:35:580
172698099271,6cyclictest0-21swapper/000:15:260
1726980992712,4cyclictest13-21ksoftirqd/000:32:380
1726980992710,2cyclictest141rcu_preempt21:30:330
172699599264,11cyclictest26-21ksoftirqd/120:45:191
1726995992615,7cyclictest26-21ksoftirqd/119:20:111
172698099267,3cyclictest13-21ksoftirqd/022:51:540
172698099263,3cyclictest141rcu_preempt19:55:010
172698099263,11cyclictest13-21ksoftirqd/023:06:160
1726980992611,2cyclictest141rcu_preempt21:10:280
172698099251,6cyclictest0-21swapper/022:30:260
1726980992511,4cyclictest13-21ksoftirqd/020:32:310
172698099247,2cyclictest141rcu_preempt22:24:520
1726980992410,2cyclictest141rcu_preempt20:22:160
172698099239,2cyclictest141rcu_preempt21:00:420
1726980992310,2cyclictest141rcu_preempt19:43:320
172698099230,21cyclictest17296302chrt19:15:030
172698099221,3cyclictest141rcu_preempt21:05:030
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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