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2026-03-07 - 05:28
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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 Fri Mar 06, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
133177523710,9sleep01331778-21needreboot07:05:250
13326462267183,28sleep10-21swapper/107:08:171
137772721600,3sleep11377725-21cat09:00:001
15268792760,4sleep10-21swapper/112:27:181
14062302620,6sleep10-21swapper/109:40:241
179699600,5rtkit-daemon1380784-21ntp_states09:05:231
179699600,3rtkit-daemon0-21swapper/110:16:151
179699580,3rtkit-daemon0-21swapper/109:55:561
179699560,3rtkit-daemon0-21swapper/108:44:211
179699560,3rtkit-daemon0-21swapper/108:14:301
179699560,3rtkit-daemon0-21swapper/107:43:351
179699560,3rtkit-daemon0-21swapper/107:43:351
179699550,3rtkit-daemon0-21swapper/110:20:401
179699550,3rtkit-daemon0-21swapper/107:45:291
179699540,3rtkit-daemon0-21swapper/112:22:451
179699540,3rtkit-daemon0-21swapper/109:53:261
179699540,3rtkit-daemon0-21swapper/107:58:351
179699540,3rtkit-daemon0-21swapper/107:31:191
179699530,4rtkit-daemon1795-21rtkit-daemon09:28:321
179699530,3rtkit-daemon0-21swapper/108:19:421
179699520,4rtkit-daemon1795-21rtkit-daemon11:15:081
179699520,4rtkit-daemon1795-21rtkit-daemon09:19:451
179699520,3rtkit-daemon0-21swapper/112:36:531
179699520,3rtkit-daemon0-21swapper/108:49:361
179699510,3rtkit-daemon0-21swapper/111:32:001
179699510,3rtkit-daemon0-21swapper/110:32:301
179699510,3rtkit-daemon0-21swapper/110:25:481
179699510,3rtkit-daemon0-21swapper/108:20:471
179699510,3rtkit-daemon0-21swapper/108:20:461
179699510,3rtkit-daemon0-21swapper/108:03:371
179699500,3rtkit-daemon1795-21rtkit-daemon11:09:281
179699490,4rtkit-daemon1795-21rtkit-daemon10:44:471
179699490,3rtkit-daemon0-21swapper/108:28:521
179699480,4rtkit-daemon1795-21rtkit-daemon11:11:111
179699480,3rtkit-daemon1795-21rtkit-daemon11:04:521
179699480,3rtkit-daemon1795-21rtkit-daemon10:47:000
179699470,4rtkit-daemon1795-21rtkit-daemon09:30:461
179699460,3rtkit-daemon1795-21rtkit-daemon11:12:070
179699450,1rtkit-daemon1795-21rtkit-daemon10:53:061
179699450,1rtkit-daemon1795-21rtkit-daemon07:19:551
179699450,16rtkit-daemon0-21swapper/007:38:191
179699450,10rtkit-daemon1490783-21ssh11:37:131
179699440,1rtkit-daemon1795-21rtkit-daemon11:42:491
179699440,17rtkit-daemon1795-21rtkit-daemon09:02:201
179699430,5rtkit-daemon1352071-21ntp_states07:55:200
179699430,1rtkit-daemon1795-21rtkit-daemon11:27:251
179699430,13rtkit-daemon0-21swapper/010:45:261
179699430,12rtkit-daemon0-21swapper/009:36:391
179699420,8rtkit-daemon1414370-21kworker/u8:110:33:270
179699420,3rtkit-daemon0-21swapper/007:14:270
179699420,10rtkit-daemon1795-21rtkit-daemon10:55:401
179699410,3rtkit-daemon0-21swapper/011:53:170
179699410,14rtkit-daemon0-21swapper/011:22:041
179699400,3rtkit-daemon0-21swapper/109:11:110
179699380,3rtkit-daemon0-21swapper/107:12:411
179699380,12rtkit-daemon0-21swapper/010:02:231
15291862360,23sleep00-21swapper/012:30:240
179699350,3rtkit-daemon0-21swapper/109:55:350
179699350,3rtkit-daemon0-21swapper/107:40:270
179699350,3rtkit-daemon0-21swapper/107:40:270
179699340,3rtkit-daemon0-21swapper/110:36:561
179699330,4rtkit-daemon1795-21rtkit-daemon07:21:351
179699330,3rtkit-daemon0-21swapper/109:41:500
179699330,3rtkit-daemon0-21swapper/109:07:170
179699330,3rtkit-daemon0-21swapper/107:47:090
179699330,3rtkit-daemon0-21swapper/107:39:370
179699320,3rtkit-daemon0-21swapper/108:18:160
1332925993230,1cyclictest1524415-1kworker/1:3H12:33:001
1332923993228,3cyclictest66950irq/132-enp2s009:38:530
179699310,3rtkit-daemon0-21swapper/108:59:080
13673642310,4sleep11367361-21apt-get08:35:101
179699300,4rtkit-daemon1795-21rtkit-daemon11:54:371
179699300,3rtkit-daemon0-21swapper/109:51:080
1332923993011,8cyclictest13-21ksoftirqd/011:31:060
1332923993011,8cyclictest13-21ksoftirqd/011:05:010
179699290,3rtkit-daemon0-21swapper/110:12:210
1332923992926,2cyclictest66950irq/132-enp2s012:15:180
179699280,3rtkit-daemon0-21swapper/110:18:310
179699280,3rtkit-daemon0-21swapper/108:05:330
1332923992825,2cyclictest66950irq/132-enp2s010:08:420
1332923992824,3cyclictest66950irq/132-enp2s011:48:240
133292399281,7cyclictest1381756-21diskmemload10:00:100
1332923992814,8cyclictest66950irq/132-enp2s011:35:100
179699270,3rtkit-daemon0-21swapper/112:23:070
1332923992724,2cyclictest66950irq/132-enp2s012:06:590
1332923992711,6cyclictest13-21ksoftirqd/009:46:330
179699260,3rtkit-daemon0-21swapper/108:48:460
133292599260,6cyclictest0-21swapper/109:46:331
133292399269,7cyclictest13-21ksoftirqd/008:53:360
133292399269,6cyclictest13-21ksoftirqd/007:29:200
1332923992623,2cyclictest66950irq/132-enp2s010:39:190
133292399253,16cyclictest1397541-21apt-get09:30:140
1332923992522,2cyclictest66950irq/132-enp2s010:56:270
133292399251,7cyclictest1381756-21diskmemload11:55:210
1332923992511,7cyclictest1492338-21apt-get11:40:130
133292599242,15cyclictest1503016-21apt-get11:55:141
133292599241,21cyclictest1390336-21fschecks_time09:20:171
133292599240,6cyclictest0-21swapper/108:53:361
133292599240,6cyclictest0-21swapper/107:29:191
133292399249,7cyclictest13-21ksoftirqd/008:44:480
133292399242,16cyclictest1361509-21apt-get08:20:140
133292399242,16cyclictest1361509-21apt-get08:20:140
133292399242,15cyclictest1434862-21apt-get10:20:130
179699230,1rtkit-daemon1795-21rtkit-daemon12:07:191
179699230,1rtkit-daemon1795-21rtkit-daemon11:18:450
179699230,1rtkit-daemon1795-21rtkit-daemon07:18:300
15072762230,4sleep11507268-21ssh12:00:151
133292599232,14cyclictest1355228-21apt-get08:05:141
133292599231,17cyclictest1517689-21apt-get12:15:131
133292399232,14cyclictest1531810-21apt-get12:35:120
1332923992310,3cyclictest141rcu_preempt11:29:440
179699220,1rtkit-daemon1795-21rtkit-daemon09:17:080
179699220,1rtkit-daemon1795-21rtkit-daemon07:34:320
133292399227,3cyclictest141rcu_preempt11:21:560
133292399227,10cyclictest1524660-21apt-get12:25:150
133292399226,4cyclictest141rcu_preempt09:25:020
133292399224,9cyclictest0-21swapper/008:28:270
133292599215,3cyclictest1381756-21diskmemload12:10:501
133292599214,9cyclictest1423626-21apt-get10:05:141
133292399216,3cyclictest141rcu_preempt10:54:580
133292399215,11cyclictest1438462-21apt-get10:25:150
133292399212,13cyclictest1449576-21apt-get10:40:130
133292399211,14cyclictest1337553-21/usr/sbin/munin07:20:260
133292399210,9cyclictest1365827-21sed08:30:180
133292399210,7cyclictest1381756-21diskmemload12:00:020
133292399210,2cyclictest0-21swapper/012:10:500
133292599203,10cyclictest1495872-21apt-get11:45:121
133292599203,10cyclictest1427664-21apt-get10:10:111
133292599201,14cyclictest1365413-21taskset08:30:141
133292399209,8cyclictest1394007-21df09:25:160
133292399200,6cyclictest13-21ksoftirqd/008:35:420
133292599193,10cyclictest1349360-21apt-get07:50:131
1332925991914,3cyclictest1382588-21tr09:10:141
1332923991913,4cyclictest1350052-21strings07:50:190
133292399191,16cyclictest1463934-21ssh11:00:160
133292399186,10cyclictest13-21ksoftirqd/008:00:240
133292399182,11cyclictest1356968-21apt-get08:10:040
133292399170,6cyclictest1378597-21tr09:00:190
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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