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2026-04-17 - 10:55
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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 792 highest latencies:
System rackaslot0.osadl.org (updated Fri Apr 17, 2026 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252612930,0sleep025262-21id23:17:330
52982620,1sleep10-21swapper/121:54:371
1466326022,9sleep00-21swapper/019:07:380
126572590,1sleep11734-21runrttasks22:59:031
35812580,0sleep20-21swapper/200:25:272
296772580,0sleep10-21swapper/122:34:271
282472580,1sleep31734-21runrttasks00:13:103
79482570,0sleep27925-21sshd23:10:142
77182570,0sleep20-21swapper/223:36:182
77182570,0sleep20-21swapper/223:36:182
136752570,0sleep30-21swapper/321:12:003
215102560,1sleep021512-21unixbench_multi21:05:250
315332550,1sleep118399-21munin-node00:28:011
60492530,0sleep00-21swapper/023:39:090
60492530,0sleep00-21swapper/023:39:090
305222530,1sleep230500-21sshd23:00:332
203722530,0sleep10-21swapper/123:02:361
195282530,0sleep30-21swapper/322:19:033
201412510,0sleep20-21swapper/223:31:372
1502525121,15sleep10-21swapper/119:09:271
70322500,0sleep17014-21sshd22:06:151
54042500,1sleep05399-21bash23:53:400
1448624926,19sleep30-21swapper/319:06:443
1424724927,18sleep20-21swapper/219:05:352
52172480,1sleep05198-21sshd00:37:180
173942480,0sleep017376-21sshd22:56:300
186072470,0sleep10-21swapper/122:53:471
134182470,0sleep10-21swapper/121:26:251
86412460,0sleep10-21swapper/123:56:481
65412460,0sleep06539-21bash21:31:330
56162460,0sleep322512-21diskmemload21:28:393
164062460,0sleep20-21swapper/223:25:242
164062460,0sleep20-21swapper/223:25:242
159622430,0sleep20-21swapper/220:03:462
327622420,0sleep119-21rcuc/122:43:251
223792410,0sleep00-21swapper/021:35:490
166902400,0sleep316689-21sshd21:23:533
166902400,0sleep316689-21sshd21:23:533
212792320,1sleep022512-21diskmemload23:08:320
179312250,0sleep30-21swapper/323:37:153
179312250,0sleep30-21swapper/323:37:153
1539699230,16cyclictest7671-21sshd23:50:513
1539399233,15cyclictest27672-21kworker/0:022:23:010
15396992212,9cyclictest0-21swapper/321:38:513
1539599221,20cyclictest0-21swapper/223:15:022
1539399223,17cyclictest10406-21kworker/0:100:23:290
15393992220,1cyclictest29848-21sshd00:07:280
15396992116,4cyclictest0-21swapper/300:32:053
15396992115,5cyclictest0-21swapper/322:29:403
1539699210,6cyclictest2815-21sshd22:40:393
1539699210,1cyclictest22867-21rm23:58:073
261082200,1sleep326085-21sshd21:50:353
207162200,1sleep320717-21sshd23:02:383
15395992019,1cyclictest0-21swapper/222:44:332
15394992018,1cyclictest16287-21sshd23:34:161
1539399204,0cyclictest27672-21kworker/0:022:49:450
1539399203,5cyclictest27672-21kworker/0:022:29:090
318982190,1sleep20-21swapper/223:58:582
15396991917,1cyclictest0-21swapper/300:26:503
1539699190,1cyclictest22999-21sshd23:49:253
1539399198,6cyclictest9963-21kworker/0:121:52:250
15393991918,1cyclictest30601-21sshd23:12:140
15393991913,3cyclictest9774-21kworker/0:221:42:090
1539399190,16cyclictest115650irq/25-eth021:19:070
1539399190,14cyclictest0-21swapper/021:11:090
149042190,0sleep00-21swapper/022:33:060
318132180,0sleep1201ktimersoftd/122:23:021
1539699188,5cyclictest26457-21sshd22:51:303
1539699188,5cyclictest15242-21bash21:43:563
1539699187,7cyclictest10612-21sshd22:47:123
1539699181,8cyclictest21908-21bash23:31:473
15396991816,1cyclictest0-21swapper/300:20:023
15396991810,5cyclictest0-21swapper/323:06:243
1539699180,1cyclictest115650irq/25-eth000:03:063
1539699180,1cyclictest0-21swapper/321:45:243
1539399185,3cyclictest18610-21kworker/0:000:01:290
1539399181,14cyclictest3-21ksoftirqd/020:43:170
1539399180,14cyclictest0-21swapper/019:43:210
213882170,0sleep20-21swapper/221:18:332
1539699172,5cyclictest115650irq/25-eth022:00:153
1539699171,1cyclictest115650irq/25-eth023:41:243
1539699171,1cyclictest115650irq/25-eth023:41:243
1539699170,9cyclictest0-21swapper/300:09:423
1539699170,8cyclictest12172-21sshd22:32:513
1539699170,7cyclictest0-21swapper/323:15:223
1539699170,2cyclictest20021-21bash22:36:243
1539699170,1cyclictest19375-21bash21:18:213
1539699170,1cyclictest0-21swapper/323:29:423
1539699170,1cyclictest0-21swapper/323:29:423
1539699170,10cyclictest23111-21sshd23:20:153
1539399174,13cyclictest115650irq/25-eth020:28:370
1539399173,4cyclictest31739-21kworker/0:123:47:150
15393991712,5cyclictest10-21rcuc/022:05:310
1539399170,13cyclictest0-21swapper/019:39:350
1539699168,7cyclictest0-21swapper/323:11:183
1539699167,5cyclictest28746-21sshd22:05:193
1539699161,6cyclictest0-21swapper/322:20:253
1539699161,14cyclictest0-21swapper/320:30:153
1539699160,9cyclictest12060-21sshd00:35:043
1539699160,7cyclictest0-21swapper/322:10:023
1539699160,1cyclictest0-21swapper/321:55:193
1539699160,15cyclictest2969-21sshd22:55:153
1539699160,15cyclictest25769-21sshd00:15:473
1539699160,15cyclictest0-21swapper/321:30:403
1539599166,1cyclictest115650irq/25-eth022:29:512
15395991614,1cyclictest0-21swapper/222:02:372
15395991613,1cyclictest30-21ksoftirqd/221:46:472
15394991615,1cyclictest31318-21sshd23:18:071
15394991614,1cyclictest827-21sshd00:01:561
1539399169,6cyclictest0-21swapper/023:42:450
1539399169,6cyclictest0-21swapper/023:42:450
1539399166,5cyclictest19444-21kworker/0:119:18:470
1539399166,5cyclictest19444-21kworker/0:119:18:470
1539399166,2cyclictest21724-21kworker/0:200:33:110
1539399162,3cyclictest10406-21kworker/0:100:28:550
1539399161,12cyclictest0-21swapper/019:33:310
1539399160,8cyclictest4121-21kworker/u8:000:10:550
103422160,1sleep01734-21runrttasks21:20:230
103422160,1sleep01734-21runrttasks21:20:230
6202150,1sleep2618-21sshd21:51:132
32802150,0sleep13279-21bash23:35:541
32802150,0sleep13279-21bash23:35:531
275402150,0sleep11510-21nfsd22:48:471
1539699159,5cyclictest0-21swapper/320:40:143
15395991513,1cyclictest30-21ksoftirqd/223:46:112
15395991513,1cyclictest0-21swapper/221:24:122
15395991513,1cyclictest0-21swapper/221:24:112
15395991511,3cyclictest30-21ksoftirqd/223:51:462
1539599150,14cyclictest0-21swapper/222:31:132
1539499155,9cyclictest25924-21sshd23:52:341
1539499150,14cyclictest3880-21bash21:34:171
1539399159,3cyclictest0-21swapper/000:16:000
1539399158,5cyclictest0-21swapper/022:42:550
1539399158,4cyclictest27672-21kworker/0:022:15:270
1539399156,4cyclictest0-21swapper/023:31:570
1539399153,6cyclictest0-21swapper/019:26:030
1539399151,3cyclictest18610-21kworker/0:023:57:370
1539399150,14cyclictest0-21swapper/023:23:440
1539399150,12cyclictest0-21swapper/021:45:190
1539399150,12cyclictest0-21swapper/021:28:530
1539399150,11cyclictest0-21swapper/021:55:350
113082150,0sleep20-21swapper/200:00:022
159772140,0sleep10-21swapper/100:23:441
1539699148,5cyclictest20110-21perl20:10:113
1539699140,1cyclictest31801-21fw_forwarded_lo19:35:143
1539699140,1cyclictest0-21swapper/319:25:133
1539599149,4cyclictest0-21swapper/200:20:492
1539599144,1cyclictest28-21rcuc/222:24:382
1539599142,2cyclictest1596-21sshd21:12:242
15395991412,1cyclictest29563-21sshd22:51:482
15395991411,2cyclictest0-21swapper/200:19:292
1539599140,1cyclictest0-21swapper/222:16:512
1539599140,13cyclictest15820-21sshd23:22:302
1539599140,13cyclictest0-21swapper/222:36:462
1539499149,2cyclictest0-21swapper/100:13:001
15394991412,1cyclictest23108-21sshd21:10:031
15394991412,1cyclictest0-21swapper/121:57:221
1539499140,13cyclictest0-21swapper/123:46:431
1539499140,13cyclictest0-21swapper/121:44:231
1539399141,11cyclictest115650irq/25-eth022:39:090
1539399140,3cyclictest0-21swapper/022:02:280
1539599134,1cyclictest30-21ksoftirqd/221:27:502
1539599133,9cyclictest30-21ksoftirqd/200:12:022
1539599133,1cyclictest30-21ksoftirqd/223:09:542
1539599132,2cyclictest5270-21sshd00:05:152
1539599132,10cyclictest0-21swapper/222:46:062
15395991311,1cyclictest0-21swapper/221:57:272
1539599130,9cyclictest0-21swapper/200:35:322
1539599130,4cyclictest22349-21sshd21:32:592
1539599130,12cyclictest0-21swapper/223:40:422
1539599130,12cyclictest0-21swapper/223:40:422
1539599130,12cyclictest0-21swapper/221:42:032
1539599130,12cyclictest0-21swapper/200:30:222
1539599130,10cyclictest6224-21sshd22:55:282
1539599130,10cyclictest18029-21bash22:13:052
1539499139,1cyclictest0-21swapper/123:43:501
1539499139,1cyclictest0-21swapper/123:43:491
1539499137,5cyclictest20434-21bash22:10:211
15394991311,1cyclictest13275-21sshd23:07:491
15394991311,1cyclictest0-21swapper/122:37:361
1539499131,11cyclictest0-21swapper/122:15:171
1539499130,4cyclictest18750-21unixbench_singl19:15:021
1539499130,4cyclictest18750-21unixbench_singl19:15:021
1539499130,4cyclictest0-21swapper/123:25:121
1539499130,4cyclictest0-21swapper/123:25:121
1539499130,2cyclictest22842-21bash23:11:321
1539499130,12cyclictest21129-21sshd22:01:441
1539499130,12cyclictest13115-21sshd21:35:071
1539499130,12cyclictest11907-21sshd21:46:281
1539499130,12cyclictest1125-21sshd21:22:291
1539499130,12cyclictest1125-21sshd21:22:291
1539499130,12cyclictest0-21swapper/123:21:151
1539499130,12cyclictest0-21swapper/100:35:391
1539499130,10cyclictest0-21swapper/100:18:101
1539399134,6cyclictest19444-21kworker/0:119:23:470
1539399134,3cyclictest115650irq/25-eth019:46:590
1539399133,1cyclictest0-21swapper/022:10:130
1539399130,7cyclictest3-21ksoftirqd/020:08:060
1539399130,3cyclictest3-21ksoftirqd/020:50:370
1539399130,12cyclictest3735-21sshd22:52:240
1539399130,11cyclictest0-21swapper/023:01:400
124042130,0sleep00-21swapper/023:25:100
124042130,0sleep00-21swapper/023:25:100
1539699125,6cyclictest8540-21munin-node19:50:173
1539699124,7cyclictest5447-21munin-node19:45:173
1539699120,11cyclictest0-21swapper/319:58:373
1539699120,0cyclictest0-21swapper/320:50:143
1539599129,2cyclictest0-21swapper/219:30:142
1539599121,10cyclictest0-21swapper/221:00:102
15395991210,1cyclictest1596-21sshd22:05:082
1539599120,11cyclictest20364-21sshd21:35:372
1539499129,2cyclictest0-21swapper/121:15:141
1539499129,2cyclictest0-21swapper/100:30:321
1539499121,2cyclictest0-21swapper/122:25:241
1539499121,10cyclictest0-21swapper/120:30:141
1539499121,10cyclictest0-21swapper/100:05:161
1539399123,9cyclictest0-21swapper/020:17:320
1539399122,5cyclictest0-21swapper/020:58:350
1539399120,3cyclictest0-21swapper/020:30:550
1539399120,3cyclictest0-21swapper/020:04:200
1539699119,1cyclictest0-21swapper/320:45:123
1539699119,1cyclictest0-21swapper/320:15:133
1539699111,1cyclictest0-21swapper/319:15:013
1539699111,1cyclictest0-21swapper/319:15:013
15396991110,1cyclictest0-21swapper/320:20:343
1539699110,2cyclictest0-21swapper/319:20:133
1539699110,1cyclictest0-21swapper/320:39:593
1539699110,11cyclictest0-21swapper/320:59:433
1539699110,10cyclictest0-21swapper/319:40:143
1539699110,10cyclictest0-21swapper/319:30:163
1539599119,1cyclictest0-21swapper/219:15:012
1539599119,1cyclictest0-21swapper/219:15:012
1539599118,3cyclictest0-21swapper/220:05:132
1539599118,2cyclictest0-21swapper/219:20:132
1539599110,2cyclictest0-21swapper/219:40:152
1539599110,10cyclictest0-21swapper/219:45:152
1539599110,10cyclictest0-21swapper/219:10:132
1539499119,1cyclictest20495-21perl21:05:161
1539499113,7cyclictest0-21swapper/120:19:411
1539499110,10cyclictest0-21swapper/120:55:141
1539399112,6cyclictest19444-21kworker/0:119:12:590
1539399110,8cyclictest0-21swapper/019:55:120
1539399110,1cyclictest0-21swapper/020:37:000
1539399110,10cyclictest0-21swapper/020:20:140
1539399110,10cyclictest0-21swapper/020:10:120
1539699109,1cyclictest0-21swapper/320:27:253
1539699109,1cyclictest0-21swapper/319:11:413
1539699101,1cyclictest1579-21snmpd21:06:103
1539699100,9cyclictest17470-21perl21:00:113
1539699100,9cyclictest16911-21diskstats20:05:133
1539699100,1cyclictest0-21swapper/320:00:143
1539599109,1cyclictest0-21swapper/220:40:092
1539599109,1cyclictest0-21swapper/219:57:452
1539599108,1cyclictest2686-21perl20:35:152
1539599108,1cyclictest0-21swapper/220:30:152
1539599107,2cyclictest0-21swapper/220:20:132
1539599107,2cyclictest0-21swapper/219:35:132
1539599100,9cyclictest8263-21fschecks_time19:50:142
1539599100,9cyclictest14549-21cut20:55:132
1539599100,9cyclictest0-21swapper/220:45:122
1539599100,1cyclictest0-21swapper/220:10:122
1539499109,1cyclictest0-21swapper/120:25:131
1539499108,1cyclictest26156-21grep20:20:141
1539499108,1cyclictest0-21swapper/119:50:141
1539499100,9cyclictest19878-21diskstats20:10:111
1539499100,9cyclictest0-21swapper/119:55:141
1539499100,1cyclictest22467-21sh19:20:141
1539399107,2cyclictest0-21swapper/021:00:090
1539399101,8cyclictest0-21swapper/020:45:120
1539399100,1cyclictest0-21swapper/019:51:480
153959998,1cyclictest21803-21kworker/2:021:05:162
153949998,1cyclictest0-21swapper/119:25:121
153949998,1cyclictest0-21swapper/119:10:131
153949990,9cyclictest0-21swapper/121:00:111
153949990,1cyclictest0-21swapper/119:41:221
153959988,0cyclictest0-21swapper/220:15:142
153959987,1cyclictest0-21swapper/220:51:532
153959984,4cyclictest0-21swapper/220:25:152
153949988,0cyclictest0-21swapper/120:05:141
153949987,1cyclictest0-21swapper/120:36:191
153949983,5cyclictest0-21swapper/120:01:551
153949982,5cyclictest0-21swapper/119:31:401
153949980,8cyclictest0-21swapper/120:41:471
153949980,8cyclictest0-21swapper/119:49:241
153959974,3cyclictest0-21swapper/219:25:152
153949976,1cyclictest0-21swapper/120:48:041
153949975,1cyclictest11623-21cat20:50:151
153949971,5cyclictest0-21swapper/119:35:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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