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2026-05-30 - 13:09
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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 Sat May 30, 2026 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11650012261183,28sleep00-21swapper/019:09:080
11648672237196,27sleep10-21swapper/119:07:421
179699510,9rtkit-daemon0-21swapper/021:18:560
179699510,3rtkit-daemon1795-21rtkit-daemon22:41:141
179699500,3rtkit-daemon1795-21rtkit-daemon23:46:321
179699490,3rtkit-daemon1795-21rtkit-daemon00:08:140
179699480,9rtkit-daemon0-21swapper/022:18:270
179699470,4rtkit-daemon1795-21rtkit-daemon20:06:531
179699470,3rtkit-daemon1795-21rtkit-daemon21:29:340
12504602470,1sleep01250461-21sh21:58:160
12409002460,1sleep10-21swapper/121:45:151
179699450,3rtkit-daemon1795-21rtkit-daemon21:58:221
179699450,2rtkit-daemon1795-21rtkit-daemon22:13:470
13313382440,24sleep01331347-21ssh23:47:580
116522999381,4cyclictest26-21ksoftirqd/121:05:011
179699360,3rtkit-daemon1795-21rtkit-daemon00:20:210
179699360,3rtkit-daemon0-21swapper/123:40:111
179699360,3rtkit-daemon0-21swapper/120:36:141
179699360,3rtkit-daemon0-21swapper/119:48:501
179699360,3rtkit-daemon0-21swapper/100:02:501
179699350,4rtkit-daemon1263858-21ssh22:15:391
179699350,3rtkit-daemon0-21swapper/122:57:481
179699350,3rtkit-daemon0-21swapper/020:52:360
179699350,3rtkit-daemon0-21swapper/020:19:510
179699340,4rtkit-daemon1795-21rtkit-daemon00:14:360
179699340,3rtkit-daemon1795-21rtkit-daemon22:35:561
179699340,3rtkit-daemon0-21swapper/120:37:580
179699340,3rtkit-daemon0-21swapper/119:33:230
179699340,3rtkit-daemon0-21swapper/021:52:190
1165229993411,16cyclictest1181976-21apt-get19:50:141
179699330,4rtkit-daemon1795-21rtkit-daemon23:50:451
179699330,4rtkit-daemon1795-21rtkit-daemon20:57:160
179699330,4rtkit-daemon1795-21rtkit-daemon19:41:121
179699330,3rtkit-daemon0-21swapper/120:42:370
179699330,3rtkit-daemon0-21swapper/023:04:141
1165229993330,2cyclictest66950irq/132-enp2s022:45:421
1165229993330,2cyclictest66950irq/132-enp2s021:39:111
116522999332,9cyclictest26-21ksoftirqd/123:55:041
1165229993329,2cyclictest66950irq/132-enp2s023:33:171
116522999330,8cyclictest1353101-21apt-get00:20:121
1165225993314,13cyclictest1291887-21apt-get22:55:120
179699320,4rtkit-daemon1795-21rtkit-daemon21:08:480
179699320,4rtkit-daemon1795-21rtkit-daemon21:02:270
179699320,3rtkit-daemon0-21swapper/119:26:430
179699310,3rtkit-daemon1795-21rtkit-daemon20:33:161
179699310,3rtkit-daemon0-21swapper/022:12:441
179699310,3rtkit-daemon0-21swapper/000:12:381
179699310,3rtkit-daemon0-21swapper/000:07:051
179699310,2rtkit-daemon1795-21rtkit-daemon19:26:351
116522999319,15cyclictest141rcu_preempt20:00:321
116522999319,15cyclictest141rcu_preempt20:00:321
116522999314,8cyclictest26-21ksoftirqd/119:35:141
1165229993128,2cyclictest66950irq/132-enp2s022:03:411
116522999312,10cyclictest26-21ksoftirqd/123:15:091
1165229993113,4cyclictest26-21ksoftirqd/121:42:531
116522999310,7cyclictest1218028-21apt-get21:15:121
116522599319,9cyclictest0-21swapper/022:05:170
179699300,4rtkit-daemon1795-21rtkit-daemon23:36:480
179699300,3rtkit-daemon1795-21rtkit-daemon20:21:430
179699300,3rtkit-daemon0-21swapper/000:25:281
116522999308,9cyclictest26-21ksoftirqd/121:32:051
116522999308,9cyclictest26-21ksoftirqd/100:34:491
116522999308,10cyclictest26-21ksoftirqd/123:29:231
116522999307,10cyclictest26-21ksoftirqd/121:53:151
116522999306,8cyclictest26-21ksoftirqd/122:31:321
116522999300,9cyclictest1221896-21apt-get21:20:131
1165225993014,10cyclictest1331730-1kworker/u9:023:50:120
179699290,3rtkit-daemon1795-21rtkit-daemon23:15:130
179699290,3rtkit-daemon0-21swapper/122:43:570
179699290,3rtkit-daemon0-21swapper/119:23:030
179699290,3rtkit-daemon0-21swapper/000:38:001
116522999299,8cyclictest1206937-21runrttasks20:52:271
116522999297,9cyclictest26-21ksoftirqd/123:35:381
116522999297,9cyclictest26-21ksoftirqd/119:58:191
116522999297,10cyclictest26-21ksoftirqd/119:34:041
116522999296,9cyclictest26-21ksoftirqd/122:06:391
116522999296,8cyclictest26-21ksoftirqd/119:10:581
116522999296,10cyclictest26-21ksoftirqd/123:06:071
116522999295,9cyclictest26-21ksoftirqd/122:29:171
116522999294,2cyclictest141rcu_preempt20:45:001
179699280,4rtkit-daemon0-21swapper/119:36:260
179699280,3rtkit-daemon1795-21rtkit-daemon22:20:261
179699280,3rtkit-daemon1795-21rtkit-daemon22:20:261
179699280,3rtkit-daemon0-21swapper/119:57:390
179699280,3rtkit-daemon0-21swapper/100:02:110
116522999288,9cyclictest26-21ksoftirqd/123:20:191
116522999287,9cyclictest26-21ksoftirqd/123:10:321
116522999287,9cyclictest26-21ksoftirqd/121:26:191
116522999286,9cyclictest26-21ksoftirqd/122:53:461
116522999286,10cyclictest26-21ksoftirqd/121:10:331
116522999286,10cyclictest26-21ksoftirqd/120:59:191
116522999285,9cyclictest26-21ksoftirqd/120:13:271
116522999283,9cyclictest26-21ksoftirqd/119:15:161
1165229992812,10cyclictest1195665-21apt-get20:25:141
1165229992810,3cyclictest26-21ksoftirqd/100:16:541
1165225992811,10cyclictest1239698-1kworker/u9:222:20:140
1165225992811,10cyclictest1239698-1kworker/u9:222:20:130
11793672270,2sleep00-21swapper/019:40:240
116522999276,9cyclictest26-21ksoftirqd/120:20:171
116522999274,7cyclictest26-21ksoftirqd/119:20:231
116522999272,10cyclictest26-21ksoftirqd/121:05:181
116522999262,6cyclictest0-21swapper/120:45:111
1165225992611,10cyclictest1352556-1kworker/u9:200:25:150
116522599260,11cyclictest1189593-21idleruntime-cro20:10:000
179699250,21rtkit-daemon1165218-21cyclictest19:51:230
179699250,20rtkit-daemon1795-21rtkit-daemon22:32:210
13595732250,9sleep00-21swapper/000:30:080
116522999253,9cyclictest26-21ksoftirqd/120:16:221
116522599252,15cyclictest1324948-21apt-get23:40:140
1165225992510,9cyclictest1295866-21apt-get23:00:130
179699240,19rtkit-daemon1165218-21cyclictest19:16:090
116522599249,9cyclictest1258752-1kworker/u9:023:05:160
116522599249,8cyclictest1229526-21apt-get21:30:110
116522599244,12cyclictest1288301-21apt-get22:50:130
179699230,1rtkit-daemon1795-21rtkit-daemon20:12:230
179699230,18rtkit-daemon1165218-21cyclictest22:03:470
116522599237,9cyclictest1185895-21apt-get20:00:120
116522599237,9cyclictest1185895-21apt-get20:00:110
116522599234,11cyclictest1236972-21apt-get21:40:130
116522599232,14cyclictest1269695-21apt-get22:25:120
116522599232,13cyclictest1363222-21apt-get00:35:110
116522599223,10cyclictest1350249-21apt-get00:15:130
116522599222,14cyclictest1314075-21apt-get23:25:140
116522599222,13cyclictest1214145-21apt-get21:10:130
116522599222,12cyclictest1317621-21apt-get23:30:110
116522599222,11cyclictest1284600-21apt-get22:45:130
1165225992213,7cyclictest1305446-21sshd23:12:250
179699210,16rtkit-daemon1795-21rtkit-daemon23:58:160
179699210,14rtkit-daemon0-21swapper/021:36:250
179699210,13rtkit-daemon0-21swapper/021:47:270
116522599212,13cyclictest1310435-21apt-get23:20:120
1165225992113,6cyclictest1278262-21ntpq22:35:210
116522599210,6cyclictest0-21swapper/019:50:000
116522599202,12cyclictest1195647-21/usr/sbin/munin20:25:250
1165225992011,5cyclictest1213867-21diskmemload21:21:160
116522599200,7cyclictest1199361-21dump-pmu-power20:35:000
116522599197,2cyclictest141rcu_preempt19:10:240
116522599189,7cyclictest1203919-21seq20:45:180
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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