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2026-04-09 - 07:31
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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 rackaslot0.osadl.org (updated Thu Apr 09, 2026 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
143342620,2sleep10-21swapper/122:29:191
1871826026,16sleep00-21swapper/019:08:590
111632600,1sleep31510-21nfsd22:26:053
83382580,1sleep30-21swapper/322:14:273
83382580,1sleep30-21swapper/322:14:273
269272570,1sleep226928-21sshd23:04:542
170712570,1sleep30-21swapper/322:09:303
73232560,2sleep119-21rcuc/123:52:001
177052560,0sleep10-21swapper/123:32:451
85942550,0sleep28583-21sshd21:25:262
272522550,0sleep041ktimersoftd/022:53:260
261842540,0sleep126181-21sshd23:10:261
225002540,0sleep30-21swapper/323:15:523
17322540,0sleep00-21swapper/000:37:430
298032530,1sleep026301-21diskmemload00:20:040
298032530,1sleep026301-21diskmemload00:20:040
145412530,1sleep114537-21sshd23:20:551
107532530,0sleep20-21swapper/223:06:142
246682520,0sleep10-21swapper/121:32:421
14572520,0sleep30-21swapper/321:33:333
13422520,0sleep10-21swapper/122:19:341
74502510,0sleep17448-21sshd21:36:551
320902510,0sleep00-21swapper/023:36:530
264112510,0sleep20-21swapper/222:07:252
243512510,1sleep337-21rcuc/322:50:173
1808325125,22sleep10-21swapper/119:05:471
171972510,0sleep30-21swapper/300:24:433
171972510,0sleep30-21swapper/300:24:433
127082510,0sleep112697-21sshd21:57:331
287162500,0sleep20-21swapper/222:30:282
212652500,0sleep30-21swapper/323:04:233
1875025028,18sleep20-21swapper/219:09:082
301782490,1sleep330171-21bash23:45:223
232852490,0sleep10-21swapper/123:18:551
1852724927,18sleep30-21swapper/319:08:013
66672480,0sleep20-21swapper/223:57:422
199802480,0sleep219979-21bash21:49:382
199802480,0sleep219979-21bash21:49:382
40742460,0sleep04064-21cp00:26:210
193942460,2sleep11919199cyclictest00:01:421
66802450,0sleep30-21swapper/321:54:123
213152450,0sleep30-21swapper/300:39:293
211212440,0sleep30-21swapper/321:23:463
182502440,1sleep01734-21runrttasks22:20:570
170872420,0sleep10-21swapper/123:35:291
153012390,0sleep10-21swapper/121:52:011
273852340,0sleep027387-21id00:19:520
273852340,0sleep027387-21id00:19:520
84822250,0sleep30-21swapper/321:48:353
84822250,0sleep30-21swapper/321:48:353
326942230,1sleep11508-21nfsd23:02:281
48282210,1sleep34812-21sshd23:28:473
1919299210,1cyclictest0-21swapper/223:53:312
1919399200,19cyclictest0-21swapper/322:01:523
1919399200,19cyclictest0-21swapper/322:01:523
1919199200,10cyclictest0-21swapper/122:24:141
19187992018,1cyclictest26244-21sshd21:18:300
106402200,0sleep20-21swapper/222:54:522
19193991917,1cyclictest0-21swapper/323:59:063
19193991916,2cyclictest22612-21sshd21:55:303
1919199199,1cyclictest0-21swapper/100:24:441
1919199199,1cyclictest0-21swapper/100:24:441
1919199198,2cyclictest27872-21bash22:04:431
1919199198,2cyclictest27872-21bash22:04:431
19187991918,1cyclictest26301-21diskmemload22:36:190
1919199188,1cyclictest0-21swapper/122:53:221
1919199181,1cyclictest115650irq/25-eth023:59:251
1919199180,9cyclictest115650irq/25-eth000:34:151
1919199180,10cyclictest0-21swapper/121:11:061
184672180,1sleep018468-21sshd21:12:050
137332180,0sleep3381ktimersoftd/300:33:003
19192991715,1cyclictest26301-21diskmemload21:55:302
19192991711,3cyclictest20684-21sshd23:10:052
1919199179,7cyclictest12773-21sshd00:18:301
1919199179,7cyclictest12773-21sshd00:18:301
1919199179,2cyclictest0-21swapper/123:25:141
1919199179,2cyclictest0-21swapper/120:55:131
1919199178,2cyclictest0-21swapper/122:45:131
1919199171,9cyclictest115650irq/25-eth021:21:411
1919199170,1cyclictest1596-21sshd22:56:401
1919199170,16cyclictest0-21swapper/121:16:531
1919199170,16cyclictest0-21swapper/100:08:011
1919199170,10cyclictest23919-21sshd00:13:441
19187991714,2cyclictest7040-21kworker/0:223:42:110
72292160,0sleep20-21swapper/221:14:012
50902160,1sleep35064-21sshd22:48:363
29212160,0sleep20-21swapper/200:11:482
1919299161,14cyclictest0-21swapper/222:25:332
1919199169,2cyclictest0-21swapper/121:25:561
1919199169,1cyclictest0-21swapper/123:05:101
1919199168,1cyclictest0-21swapper/123:40:261
1919199160,9cyclictest27489-21sshd23:45:131
1919199160,9cyclictest0-21swapper/122:40:271
1919199160,9cyclictest0-21swapper/122:33:471
1919199160,9cyclictest0-21swapper/100:25:101
1919199160,11cyclictest12988-21sshd21:40:171
1919199160,11cyclictest0-21swapper/122:35:211
1919199160,10cyclictest709-21sshd22:08:011
1919199160,10cyclictest13309-21sshd21:46:041
1919199160,10cyclictest13309-21sshd21:46:041
1918799169,4cyclictest0-21swapper/022:05:570
1918799166,5cyclictest14363-21kworker/0:023:30:150
19187991614,2cyclictest20547-21kworker/0:222:29:330
251952150,0sleep225178-21sshd22:38:542
1919399159,5cyclictest0-21swapper/321:25:403
1919399151,1cyclictest0-21swapper/300:28:573
1919399150,2cyclictest1509-21nfsd23:53:303
1919299158,2cyclictest5545-21sshd00:03:232
1919299155,1cyclictest10698-21sshd00:26:572
19192991511,3cyclictest25188-21sshd22:47:292
1919199159,1cyclictest0-21swapper/122:10:251
1919199159,1cyclictest0-21swapper/122:10:251
1919199158,1cyclictest5298-21apache_volume00:35:121
1918799159,5cyclictest0-21swapper/021:53:540
1918799156,6cyclictest7805-21kworker/0:023:08:430
19187991514,0cyclictest7805-21kworker/0:023:20:090
91002140,0sleep30-21swapper/323:20:253
4512140,0sleep30-21swapper/323:11:043
322422140,0sleep30-21swapper/300:08:413
1919399149,4cyclictest25810-21sshd23:39:173
1919399149,4cyclictest0-21swapper/323:41:573
1919399149,1cyclictest0-21swapper/322:23:163
1919399148,2cyclictest28507-21sshd21:15:453
19193991412,1cyclictest0-21swapper/322:40:013
1919399140,2cyclictest0-21swapper/300:02:303
1919399140,1cyclictest115650irq/25-eth021:13:243
1919399140,13cyclictest0-21swapper/322:15:313
1919299149,1cyclictest22915-21sshd00:07:492
1919299140,1cyclictest0-21swapper/200:32:072
1919299140,13cyclictest0-21swapper/200:17:302
1919299140,13cyclictest0-21swapper/200:17:302
1919199140,10cyclictest0-21swapper/120:03:141
1918799149,4cyclictest0-21swapper/023:52:110
1918799149,4cyclictest0-21swapper/022:55:400
1918799148,3cyclictest21306-21sshd21:43:570
1918799143,11cyclictest17266-21kworker/0:022:49:350
19187991413,1cyclictest1231-21kworker/0:223:25:210
19187991412,2cyclictest19801-21kworker/0:122:41:270
19187991410,2cyclictest3-21ksoftirqd/021:36:020
19187991410,1cyclictest0-21swapper/022:11:140
19187991410,1cyclictest0-21swapper/022:11:140
19187991410,1cyclictest0-21swapper/021:30:450
1918799140,1cyclictest16755-21sshd23:18:190
1918799140,13cyclictest22299-21bash21:26:420
1918799140,13cyclictest0-21swapper/000:02:560
1918799140,12cyclictest0-21swapper/023:46:420
1918799140,12cyclictest0-21swapper/022:16:280
1918799140,12cyclictest0-21swapper/000:05:320
1918799140,11cyclictest13350-21sshd22:00:240
1918799140,11cyclictest13350-21sshd22:00:240
146312140,1sleep11734-21runrttasks19:55:121
121182140,1sleep21510-21nfsd21:20:102
319182130,0sleep226301-21diskmemload22:16:262
1919399138,1cyclictest0-21swapper/300:13:053
1919399137,2cyclictest943-21sshd22:30:553
1919399132,10cyclictest14632-21sshd22:55:133
19193991312,1cyclictest0-21swapper/321:36:073
19193991311,1cyclictest10333-21sshd21:40:083
1919399131,11cyclictest0-21swapper/323:08:333
1919399130,4cyclictest0-21swapper/322:36:023
1919399130,10cyclictest0-21swapper/300:19:043
1919399130,10cyclictest0-21swapper/300:19:043
1919299138,1cyclictest0-21swapper/222:44:392
1919299138,1cyclictest0-21swapper/221:18:252
1919299133,9cyclictest25656-21sshd23:42:062
1919299133,9cyclictest10411-21sshd23:23:302
19192991311,1cyclictest0-21swapper/222:00:272
19192991311,1cyclictest0-21swapper/222:00:272
19192991310,2cyclictest0-21swapper/222:21:202
1919299130,9cyclictest0-21swapper/200:23:282
1919299130,9cyclictest0-21swapper/200:23:282
1919299130,2cyclictest0-21swapper/221:53:472
1919299130,1cyclictest10250irq/24-ahci[00000:36:172
1919299130,1cyclictest0-21swapper/223:38:042
1919299130,1cyclictest0-21swapper/223:26:342
1919299130,1cyclictest0-21swapper/222:57:452
1919299130,12cyclictest20509-21munin-node23:30:112
1919299130,12cyclictest0-21swapper/223:15:302
1919299130,12cyclictest0-21swapper/222:10:142
1919299130,12cyclictest0-21swapper/222:10:142
1919299130,10cyclictest31891-21sshd21:36:112
1919299130,10cyclictest0-21swapper/221:31:532
1919199138,1cyclictest3338-21fschecks_time20:30:131
19191991311,2cyclictest0-21swapper/119:45:201
1918799139,3cyclictest0-21swapper/021:46:370
1918799139,3cyclictest0-21swapper/021:46:370
1918799139,3cyclictest0-21swapper/019:40:140
1918799139,1cyclictest11716-21sshd22:31:540
1918799135,3cyclictest10698-21kworker/0:223:01:310
1918799133,1cyclictest3-21ksoftirqd/023:55:160
1918799132,10cyclictest5664-21kworker/0:221:20:140
1918799131,11cyclictest4276-21sshd21:56:470
1918799130,12cyclictest0-21swapper/023:11:060
1918799130,12cyclictest0-21swapper/000:30:560
1918799130,12cyclictest0-21swapper/000:11:000
101602130,0sleep20-21swapper/223:46:282
1919399129,2cyclictest0-21swapper/323:31:033
1919399129,2cyclictest0-21swapper/319:15:023
1919299129,2cyclictest0-21swapper/220:10:142
1919299121,10cyclictest0-21swapper/221:40:342
1919199120,11cyclictest0-21swapper/120:35:131
1918799129,2cyclictest0-21swapper/020:05:150
1918799121,5cyclictest0-21swapper/020:30:180
1919399118,2cyclictest0-21swapper/320:40:133
1919399111,9cyclictest0-21swapper/320:30:123
1919399111,9cyclictest0-21swapper/319:20:143
1919399110,11cyclictest0-21swapper/319:14:083
1919299110,10cyclictest22196-21munin-node19:15:002
1919299110,10cyclictest0-21swapper/220:05:132
1919299110,10cyclictest0-21swapper/219:40:122
1919199119,2cyclictest0-21swapper/120:05:141
1919199110,11cyclictest0-21swapper/119:41:441
1919199110,11cyclictest0-21swapper/119:19:121
1919199110,10cyclictest0-21swapper/121:05:131
1918799119,1cyclictest0-21swapper/020:20:150
1918799119,1cyclictest0-21swapper/019:10:130
1918799118,2cyclictest0-21swapper/021:00:130
1918799118,2cyclictest0-21swapper/020:55:130
1918799115,5cyclictest0-21swapper/020:15:180
1918799114,5cyclictest0-21swapper/019:45:110
1918799110,2cyclictest0-21swapper/021:05:120
1919399109,1cyclictest0-21swapper/319:54:193
1919399109,1cyclictest0-21swapper/319:41:183
1919399108,1cyclictest15072-21diskstats20:50:133
1919399107,2cyclictest0-21swapper/320:45:123
1919399100,9cyclictest18066-21sh20:00:143
1919399100,9cyclictest0-21swapper/320:10:143
1919399100,1cyclictest20649-21df20:05:133
1919399100,1cyclictest0-21swapper/320:23:573
1919399100,1cyclictest0-21swapper/319:59:543
1919399100,10cyclictest0-21swapper/320:37:043
1919399100,10cyclictest0-21swapper/319:29:353
1919299107,2cyclictest0-21swapper/220:00:142
1919299100,9cyclictest0-21swapper/219:10:082
1919299100,1cyclictest9425-21fschecks_time20:40:142
1919299100,1cyclictest3181-21diskstats20:30:122
1919299100,1cyclictest29189-21apache_volume20:20:112
1919299100,1cyclictest0-21swapper/219:59:542
1919299100,1cyclictest0-21swapper/219:20:142
1919199109,1cyclictest0-21swapper/120:19:151
1919199109,1cyclictest0-21swapper/120:13:411
1919199108,1cyclictest12329-21perl20:45:141
1919199100,9cyclictest0-21swapper/120:50:141
1919199100,1cyclictest9357-21fschecks_time20:40:151
1918799108,1cyclictest2782-21df19:35:130
1918799108,1cyclictest17282-21apache_volume20:00:110
1918799108,1cyclictest0-21swapper/019:30:130
1918799107,3cyclictest10367-21kworker/0:119:56:190
1918799107,3cyclictest10367-21kworker/0:119:19:570
1918799107,2cyclictest0-21swapper/020:25:150
1918799107,1cyclictest10367-21kworker/0:120:13:270
1918799107,1cyclictest10367-21kworker/0:119:24:270
1918799100,1cyclictest0-21swapper/019:50:130
1918799100,1cyclictest0-21swapper/019:25:290
191939998,1cyclictest0-21swapper/320:26:163
191929998,1cyclictest0-21swapper/220:50:132
191929998,1cyclictest0-21swapper/219:26:252
191929997,1cyclictest26888-21perl20:15:142
191929997,1cyclictest24018-21diskstats21:05:132
191929996,3cyclictest0-21swapper/219:50:112
191929995,3cyclictest0-21swapper/220:35:112
191929990,9cyclictest0-21swapper/220:45:402
191919998,1cyclictest0-21swapper/120:29:431
191919998,1cyclictest0-21swapper/120:20:121
191919998,1cyclictest0-21swapper/119:50:101
191919998,1cyclictest0-21swapper/119:30:111
191919998,1cyclictest0-21swapper/119:10:011
191919992,7cyclictest0-21swapper/119:20:161
191879998,1cyclictest0-21swapper/020:45:120
191879991,5cyclictest0-21swapper/020:35:110
191879990,6cyclictest0-21swapper/020:50:110
191879990,2cyclictest0-21swapper/020:40:190
191939987,1cyclictest0-21swapper/321:05:123
191939987,1cyclictest0-21swapper/320:15:153
191939987,1cyclictest0-21swapper/319:47:353
191939981,3cyclictest0-21swapper/319:35:113
191929981,6cyclictest0-21swapper/221:00:212
191919985,3cyclictest0-21swapper/119:28:571
191939975,1cyclictest31827-21apache_accesses19:30:103
191939975,1cyclictest18732-21munin-node20:55:193
191929975,1cyclictest10487-21lockdev19:47:112
191929971,5cyclictest0-21swapper/220:25:132
191929970,6cyclictest0-21swapper/219:35:122
191919971,5cyclictest0-21swapper/119:35:151
191939960,1cyclictest0-21swapper/321:00:323
191929960,5cyclictest17735-21cpu20:55:122
191929960,5cyclictest0-21swapper/219:30:112
191919960,6cyclictest0-21swapper/121:00:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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