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2026-08-12 - 20:08
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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 376 highest latencies:
System rack3slot0.osadl.org (updated Wed Aug 12, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
279782840,0sleep30-21swapper/312:01:223
233552830,1sleep1460299cyclictest10:43:431
46472780,0sleep20-21swapper/209:17:422
109142760,0sleep2321ktimersoftd/212:11:302
294062680,0sleep70-21swapper/710:22:197
322342550,2sleep0459499cyclictest10:04:250
326242530,10sleep213550irq/24-ahci[00010:42:242
213392510,0sleep60-21swapper/609:28:196
43032500,0sleep4721-21dbus-daemon09:55:404
424325038,9sleep70-21swapper/707:02:567
434924825,9sleep20-21swapper/207:04:192
4172480,0sleep50-21swapper/510:17:045
31172460,0sleep0111rcuc/011:56:140
264462460,1sleep11-21systemd10:29:251
224842460,0sleep70-21swapper/711:21:057
438324533,9sleep50-21swapper/507:04:465
431424534,8sleep30-21swapper/307:03:483
22142450,0sleep50-21swapper/511:19:595
102772450,1sleep665-21ksoftirqd/612:28:086
102772450,1sleep665-21ksoftirqd/612:28:086
306342440,0sleep70-21swapper/711:08:247
98892430,0sleep30-21swapper/310:42:573
434224331,9sleep40-21swapper/407:04:134
287362430,0sleep60-21swapper/611:46:356
223422430,0sleep30-21swapper/312:32:303
204542430,0sleep00-21swapper/012:17:370
89232420,0sleep40-21swapper/408:06:104
79952420,1sleep77998-21sshd10:15:467
303872420,0sleep50-21swapper/511:54:115
29642420,0sleep32944-21sshd11:14:213
239142420,0sleep40-21swapper/409:15:044
218142420,0sleep70-21swapper/712:19:367
217282420,0sleep70-21swapper/711:11:367
169582420,0sleep40-21swapper/412:17:254
58452410,0sleep20-21swapper/211:20:122
415124128,9sleep00-21swapper/007:01:360
233042410,0sleep00-21swapper/010:25:400
197312410,0sleep50-21swapper/512:01:005
184432410,1sleep7721ktimersoftd/712:15:447
106852410,0sleep20-21swapper/211:43:432
106852410,0sleep20-21swapper/211:43:432
415224028,9sleep10-21swapper/107:01:371
79392390,0sleep20-21swapper/212:22:272
441123928,8sleep60-21swapper/607:05:116
232502390,0sleep00-21swapper/012:23:220
57582380,0sleep10-21swapper/109:40:561
57582380,0sleep10-21swapper/109:40:561
249982380,0sleep00-21swapper/011:28:510
112492380,0sleep00-21swapper/011:35:400
112492380,0sleep00-21swapper/011:35:400
179782370,0sleep20-21swapper/209:28:072
320082310,0sleep00-21swapper/010:20:430
246322310,0sleep7709-21systemd-logind10:02:087
462799238,3cyclictest49-21ksoftirqd/411:39:034
462799237,3cyclictest49-21ksoftirqd/410:06:264
4627992311,3cyclictest49-21ksoftirqd/411:06:504
4627992211,2cyclictest49-21ksoftirqd/409:31:414
318102220,0sleep30-21swapper/310:11:333
462799214,2cyclictest49-21ksoftirqd/410:01:464
4627992115,3cyclictest49-21ksoftirqd/409:24:454
462799207,4cyclictest49-21ksoftirqd/411:41:384
462799207,4cyclictest49-21ksoftirqd/411:41:384
462799207,2cyclictest49-21ksoftirqd/412:28:274
462799207,2cyclictest49-21ksoftirqd/412:28:274
462799205,1cyclictest49-21ksoftirqd/410:51:024
462799203,1cyclictest49-21ksoftirqd/412:04:434
301532200,1sleep2758-21runrttasks10:02:272
57362190,1sleep05739-21sshd09:57:290
462799199,1cyclictest49-21ksoftirqd/412:34:344
462799197,3cyclictest49-21ksoftirqd/411:27:514
462799197,3cyclictest49-21ksoftirqd/410:34:114
462799197,1cyclictest49-21ksoftirqd/412:10:594
462799195,2cyclictest49-21ksoftirqd/411:20:174
462799193,3cyclictest49-21ksoftirqd/410:27:524
4627991913,4cyclictest49-21ksoftirqd/410:22:154
4627991913,1cyclictest49-21ksoftirqd/411:13:084
4627991910,2cyclictest49-21ksoftirqd/409:45:394
4627991910,2cyclictest49-21ksoftirqd/409:45:394
462799190,2cyclictest131rcu_sched10:57:554
304332190,0sleep40-21swapper/410:38:414
462799188,3cyclictest49-21ksoftirqd/409:39:354
462799188,1cyclictest49-21ksoftirqd/411:50:124
462799187,3cyclictest49-21ksoftirqd/409:06:524
462799186,1cyclictest49-21ksoftirqd/411:31:324
462799186,1cyclictest49-21ksoftirqd/411:31:324
462799186,1cyclictest49-21ksoftirqd/409:46:444
462799182,1cyclictest49-21ksoftirqd/412:21:004
462799182,1cyclictest49-21ksoftirqd/409:16:534
4627991817,1cyclictest49-21ksoftirqd/411:01:234
4627991816,1cyclictest464-21systemd-journal10:14:174
4627991815,2cyclictest49-21ksoftirqd/410:19:504
4602991815,1cyclictest25-21ksoftirqd/111:59:431
58342170,1sleep233-21ksoftirqd/209:21:352
4635991715,1cyclictest57-21ksoftirqd/510:45:565
462799176,1cyclictest49-21ksoftirqd/411:51:414
462799175,1cyclictest49-21ksoftirqd/410:40:584
462799172,1cyclictest49-21ksoftirqd/411:56:014
462799172,1cyclictest49-21ksoftirqd/409:56:104
4627991715,1cyclictest49-21ksoftirqd/410:46:284
4627991715,1cyclictest1843-21nfsd09:27:304
4627991713,1cyclictest49-21ksoftirqd/411:22:414
4602991715,1cyclictest25-21ksoftirqd/110:46:011
462799167,1cyclictest49-21ksoftirqd/412:06:464
4602991615,1cyclictest25-21ksoftirqd/112:15:241
4602991614,1cyclictest25-21ksoftirqd/110:02:541
156842160,1sleep7756-21sshd09:41:267
156842160,1sleep7756-21sshd09:41:267
463599155,3cyclictest11748-21grepconf.sh10:03:155
4635991514,1cyclictest57-21ksoftirqd/511:48:205
4635991514,1cyclictest57-21ksoftirqd/509:36:415
4635991513,1cyclictest57-21ksoftirqd/510:36:065
4635991513,1cyclictest57-21ksoftirqd/510:06:165
4635991513,1cyclictest57-21ksoftirqd/509:20:585
4635991513,1cyclictest57-21ksoftirqd/509:14:495
4635991512,1cyclictest57-21ksoftirqd/511:37:305
4602991513,1cyclictest25-21ksoftirqd/109:25:391
4602991512,1cyclictest25-21ksoftirqd/109:31:011
310892150,0sleep30-21swapper/309:07:183
305012150,1sleep630495-21sshd09:13:306
225422150,0sleep3391rcuc/311:55:373
164912150,1sleep229494-1kworker/2:1H12:26:362
164912150,1sleep229494-1kworker/2:1H12:26:362
121872150,0sleep50-21swapper/509:10:325
4635991413,1cyclictest57-21ksoftirqd/512:18:485
4635991413,1cyclictest57-21ksoftirqd/509:27:235
4635991412,2cyclictest57-21ksoftirqd/510:56:155
4635991412,1cyclictest57-21ksoftirqd/512:31:325
4635991412,1cyclictest57-21ksoftirqd/512:28:355
4635991412,1cyclictest57-21ksoftirqd/512:28:355
4635991412,1cyclictest57-21ksoftirqd/511:21:315
4635991412,1cyclictest57-21ksoftirqd/510:53:375
4635991412,1cyclictest57-21ksoftirqd/509:42:555
4635991412,1cyclictest57-21ksoftirqd/509:42:555
4635991412,1cyclictest57-21ksoftirqd/509:34:315
4635991410,1cyclictest57-21ksoftirqd/510:23:455
4627991412,1cyclictest49-21ksoftirqd/408:35:494
4602991413,1cyclictest25-21ksoftirqd/112:05:091
4602991413,1cyclictest25-21ksoftirqd/110:52:351
4602991413,1cyclictest25-21ksoftirqd/110:39:511
4602991413,1cyclictest25-21ksoftirqd/109:57:341
4602991412,1cyclictest25-21ksoftirqd/111:32:091
4602991412,1cyclictest25-21ksoftirqd/111:32:091
4602991412,1cyclictest25-21ksoftirqd/110:13:151
4602991410,1cyclictest25-21ksoftirqd/110:18:141
460299140,13cyclictest3844-21kworker/u16:311:35:561
4594991412,2cyclictest9675-21sshd12:35:340
4594991412,1cyclictest9-21ksoftirqd/011:19:320
4594991411,3cyclictest9-21ksoftirqd/009:14:530
165632140,0sleep30-21swapper/309:39:383
118462140,0sleep311811-21sshd09:27:443
465199139,0cyclictest0-21swapper/711:20:337
465199139,0cyclictest0-21swapper/709:57:187
465199138,1cyclictest0-21swapper/710:35:187
464399133,4cyclictest15860-21sshd10:23:256
464399132,5cyclictest18961-21bash10:32:346
464399132,10cyclictest25890-21sshd10:18:316
463599137,4cyclictest57-21ksoftirqd/509:57:435
4635991312,1cyclictest57-21ksoftirqd/512:08:335
4635991312,1cyclictest57-21ksoftirqd/511:14:315
4635991312,1cyclictest57-21ksoftirqd/511:09:225
4635991312,1cyclictest57-21ksoftirqd/510:28:575
4635991312,1cyclictest57-21ksoftirqd/509:55:045
4635991311,1cyclictest57-21ksoftirqd/512:22:325
4635991311,1cyclictest57-21ksoftirqd/512:13:205
4635991311,1cyclictest57-21ksoftirqd/511:45:295
4635991311,1cyclictest57-21ksoftirqd/511:45:295
4635991311,1cyclictest57-21ksoftirqd/511:26:245
4635991311,1cyclictest57-21ksoftirqd/511:01:535
4635991311,1cyclictest57-21ksoftirqd/510:34:185
4635991311,1cyclictest57-21ksoftirqd/509:50:255
4635991311,1cyclictest57-21ksoftirqd/509:19:045
4627991313,0cyclictest7215-21kworker/4:107:12:414
4627991312,1cyclictest7215-21kworker/4:107:47:414
4627991311,1cyclictest49-21ksoftirqd/407:10:484
461999137,3cyclictest17978-21grep11:59:013
461999130,13cyclictest0-21swapper/311:22:463
461999130,12cyclictest17585-21rm12:26:403
461999130,12cyclictest17585-21rm12:26:403
461099130,12cyclictest3676-21kworker/2:010:52:192
4602991312,1cyclictest25-21ksoftirqd/112:26:201
4602991312,1cyclictest25-21ksoftirqd/112:26:201
4602991312,1cyclictest25-21ksoftirqd/111:50:541
4602991312,1cyclictest25-21ksoftirqd/111:21:051
4602991312,1cyclictest25-21ksoftirqd/111:04:311
4602991312,1cyclictest25-21ksoftirqd/110:57:221
4602991312,1cyclictest25-21ksoftirqd/109:47:271
4602991311,1cyclictest25-21ksoftirqd/111:16:471
4602991311,1cyclictest25-21ksoftirqd/111:06:311
4602991311,1cyclictest25-21ksoftirqd/110:22:411
4602991311,1cyclictest25-21ksoftirqd/110:06:371
4602991311,1cyclictest25-21ksoftirqd/109:30:311
4594991312,1cyclictest9-21ksoftirqd/011:49:550
4594991312,1cyclictest9-21ksoftirqd/009:50:130
459499130,12cyclictest721-21dbus-daemon10:50:010
36022130,0sleep70-21swapper/709:25:247
259512130,0sleep50-21swapper/510:14:565
465199129,2cyclictest721-21dbus-daemon11:55:147
465199123,4cyclictest73-21ksoftirqd/712:04:327
465199122,4cyclictest709-21systemd-logind10:57:057
4651991210,1cyclictest73-21ksoftirqd/711:40:317
464399129,2cyclictest31028-21grepconf.sh12:33:006
464399125,4cyclictest21857-21systemd-cgroups11:51:466
464399122,4cyclictest721-21dbus-daemon11:11:296
464399122,4cyclictest6070-21awk11:01:096
464399122,4cyclictest31490-21sshd10:49:386
464399122,4cyclictest31174-21sshd09:51:386
464399122,4cyclictest21404-21sshd10:03:486
464399122,4cyclictest16311-21sshd11:28:206
464399122,4cyclictest0-21swapper/611:07:446
464399122,4cyclictest0-21swapper/610:26:396
464399121,5cyclictest7125-21sshd10:55:376
464399121,5cyclictest29762-21cp09:25:016
464399120,11cyclictest32157-21sshd10:44:136
463599128,1cyclictest57-21ksoftirqd/511:31:045
463599128,1cyclictest57-21ksoftirqd/511:31:045
4635991211,1cyclictest57-21ksoftirqd/510:42:585
4635991210,1cyclictest57-21ksoftirqd/511:56:295
4627991210,1cyclictest49-21ksoftirqd/408:50:484
4627991210,1cyclictest49-21ksoftirqd/408:45:484
461999122,4cyclictest22466-21bash10:25:373
461999121,5cyclictest9737-21bash09:55:583
461999121,5cyclictest18764-21sshd12:06:243
461999120,11cyclictest0-21swapper/310:56:023
461099120,12cyclictest4664-21kworker/2:011:01:372
461099120,11cyclictest8731-21grepconf.sh09:45:002
461099120,11cyclictest8731-21grepconf.sh09:45:002
460299127,5cyclictest25-21ksoftirqd/112:31:381
4602991211,1cyclictest25-21ksoftirqd/112:19:311
4602991211,1cyclictest25-21ksoftirqd/111:28:001
4602991211,1cyclictest25-21ksoftirqd/111:11:101
4602991211,1cyclictest25-21ksoftirqd/110:31:551
4602991211,1cyclictest25-21ksoftirqd/109:39:031
4602991210,1cyclictest25-21ksoftirqd/112:21:031
4602991210,1cyclictest25-21ksoftirqd/112:05:571
4602991210,1cyclictest25-21ksoftirqd/111:42:221
4602991210,1cyclictest25-21ksoftirqd/111:42:221
4602991210,1cyclictest25-21ksoftirqd/109:06:061
459499129,2cyclictest9-21ksoftirqd/011:42:550
459499129,2cyclictest9-21ksoftirqd/011:42:550
459499128,1cyclictest9-21ksoftirqd/011:05:140
459499122,10cyclictest0-21swapper/012:11:360
459499120,3cyclictest0-21swapper/009:21:340
459499120,11cyclictest14221-21kworker/0:310:38:340
465199119,1cyclictest73-21ksoftirqd/711:04:317
465199119,1cyclictest73-21ksoftirqd/710:45:567
465199112,4cyclictest0-21swapper/709:33:447
465199110,11cyclictest28754-21kworker/7:111:58:397
465199110,11cyclictest20086-21kworker/7:110:36:237
464399113,7cyclictest1-21systemd11:42:306
464399113,7cyclictest1-21systemd11:42:306
464399111,4cyclictest30638-21sshd09:58:546
464399111,4cyclictest28089-21sshd09:42:136
464399111,4cyclictest28089-21sshd09:42:136
464399111,4cyclictest0-21swapper/611:37:096
464399110,5cyclictest6648-21grepconf.sh11:22:036
464399110,5cyclictest28002-21grep10:07:466
464399110,5cyclictest26709-21bash10:38:296
464399110,5cyclictest14665-21bash10:14:176
464399110,4cyclictest11927-21sshd11:20:346
464399110,11cyclictest32189-21kworker/6:012:21:386
464399110,11cyclictest32189-21kworker/6:012:08:026
463599110,1cyclictest18316-21/usr/sbin/munin08:26:055
462799119,1cyclictest49-21ksoftirqd/409:05:484
462799119,1cyclictest49-21ksoftirqd/407:45:494
462799119,1cyclictest49-21ksoftirqd/407:30:494
4627991111,0cyclictest7215-21kworker/4:107:54:274
4627991110,1cyclictest7215-21kworker/4:108:20:264
4627991110,1cyclictest7215-21kworker/4:107:56:204
4627991110,1cyclictest49-21ksoftirqd/408:30:494
461999119,1cyclictest41-21ksoftirqd/311:27:023
461999119,1cyclictest41-21ksoftirqd/309:14:173
461999115,3cyclictest29129-21bash12:16:133
461999113,7cyclictest22082-21sshd11:02:073
461999112,4cyclictest28987-21sshd11:10:143
461999112,4cyclictest0-21swapper/309:19:593
4619991110,1cyclictest41-21ksoftirqd/311:15:513
461999111,4cyclictest8360-21bash10:01:123
461999111,4cyclictest24349-21sshd10:27:273
461999111,4cyclictest17467-21sshd10:18:023
461999111,4cyclictest1-21systemd10:39:273
461999110,5cyclictest9012-21sshd10:33:533
461999110,5cyclictest31801-21systemd09:48:063
461999110,11cyclictest0-21swapper/311:44:403
461999110,11cyclictest0-21swapper/311:44:403
461099119,1cyclictest33-21ksoftirqd/209:34:442
461099117,4cyclictest33-21ksoftirqd/210:19:202
461099114,4cyclictest859-21gdbus10:11:312
461099112,4cyclictest14570-21sshd12:32:022
461099111,4cyclictest17011-21bash10:46:562
461099110,5cyclictest1-21systemd09:55:532
461099110,11cyclictest7317-21kworker/2:410:59:482
461099110,11cyclictest609-21kworker/2:111:51:022
460299119,1cyclictest25-21ksoftirqd/109:50:491
460299119,1cyclictest25-21ksoftirqd/109:16:071
460299119,1cyclictest25-21ksoftirqd/109:12:271
4602991110,1cyclictest25-21ksoftirqd/111:47:121
459499119,1cyclictest9-21ksoftirqd/010:30:500
459499119,1cyclictest9-21ksoftirqd/009:27:110
459499119,1cyclictest9-21ksoftirqd/009:00:480
459499118,3cyclictest9-21ksoftirqd/012:03:580
459499118,2cyclictest314-21kworker/0:110:44:150
459499114,4cyclictest4408-21bash12:07:280
459499114,4cyclictest1312-21bash09:32:530
459499113,5cyclictest0-21swapper/007:23:170
4594991110,1cyclictest9-21ksoftirqd/010:08:130
459499110,11cyclictest0-21swapper/009:09:260
319632110,1sleep233-21ksoftirqd/210:36:552
176652118,1sleep773-21ksoftirqd/709:39:437
163832110,0sleep20-21swapper/210:21:332
157062110,0sleep60-21swapper/609:49:026
465199108,1cyclictest73-21ksoftirqd/712:21:207
465199108,1cyclictest73-21ksoftirqd/712:05:567
465199108,1cyclictest73-21ksoftirqd/710:43:047
465199108,1cyclictest73-21ksoftirqd/709:50:037
465199104,1cyclictest756-21sshd12:26:557
465199104,1cyclictest756-21sshd12:26:557
465199103,6cyclictest27977-21sshd11:32:477
465199103,6cyclictest27977-21sshd11:32:477
465199102,7cyclictest709-21systemd-logind09:51:067
465199100,4cyclictest669-21avahi-daemon12:32:227
465199100,4cyclictest5155-21sshd10:28:127
464399108,1cyclictest65-21ksoftirqd/612:14:106
464399108,1cyclictest14500-21sshd09:37:326
464399103,6cyclictest23720-21sshd09:06:456
464399103,6cyclictest14631-21sshd09:16:206
464399101,4cyclictest0-21swapper/611:58:276
464399100,4cyclictest859-21gdbus09:30:506
464399100,4cyclictest26363-21sshd11:00:326
464399100,4cyclictest1939-21sshd11:31:126
464399100,4cyclictest1939-21sshd11:31:126
464399100,4cyclictest12680-21sshd12:17:106
464399100,10cyclictest6459-21kworker/6:312:01:116
462799109,1cyclictest7215-21kworker/4:108:51:584
462799109,1cyclictest49-21ksoftirqd/408:40:494
462799105,3cyclictest49-21ksoftirqd/407:35:194
4627991010,0cyclictest7215-21kworker/4:107:17:534
461999109,1cyclictest41-21ksoftirqd/309:54:173
461999109,1cyclictest41-21ksoftirqd/309:33:113
461999108,1cyclictest41-21ksoftirqd/310:06:473
461999102,2cyclictest32764-21grep10:47:513
461999101,4cyclictest25358-21bash10:51:033
461999101,4cyclictest0-21swapper/312:11:033
461999100,4cyclictest5992-21sshd09:21:353
461999100,4cyclictest2593-21sshd11:46:573
461999100,4cyclictest20434-21grep11:38:053
461099108,1cyclictest33-21ksoftirqd/211:07:052
461099103,6cyclictest18486-21bash11:24:422
461099102,5cyclictest10835-21sshd12:07:502
461099101,3cyclictest0-21swapper/209:10:372
461099100,9cyclictest0-21swapper/211:32:452
461099100,9cyclictest0-21swapper/211:32:452
461099100,9cyclictest0-21swapper/209:11:432
461099100,4cyclictest0-21swapper/209:54:482
459499108,1cyclictest9-21ksoftirqd/011:40:230
459499108,1cyclictest9-21ksoftirqd/011:11:290
459499108,1cyclictest9-21ksoftirqd/011:06:150
459499108,1cyclictest9-21ksoftirqd/009:16:350
459499104,1cyclictest709-21systemd-logind10:27:100
459499103,4cyclictest4733-21cp11:21:560
459499103,4cyclictest26248-21sshd10:52:550
459499102,7cyclictest1841-21nfsd11:00:200
459499102,5cyclictest5391-21bash09:40:540
459499102,5cyclictest5391-21bash09:40:540
459499102,2cyclictest0-21swapper/007:51:470
459499100,9cyclictest12579-21kworker/0:011:54:460
459499100,4cyclictest3124-21bash09:51:520
459499100,10cyclictest0-21swapper/012:27:180
459499100,10cyclictest0-21swapper/012:27:180
251102100,0sleep20-21swapper/212:01:132
195142100,0sleep70-21swapper/710:16:187
7535290,0sleep20-21swapper/211:25:572
46519999,0cyclictest0-21swapper/710:51:237
46519999,0cyclictest0-21swapper/709:08:357
46519998,1cyclictest73-21ksoftirqd/709:28:237
46519997,1cyclictest73-21ksoftirqd/710:06:517
46519997,1cyclictest73-21ksoftirqd/709:16:417
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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