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2026-04-07 - 00:58
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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 Mon Apr 06, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142862860,0sleep3391rcuc/310:36:523
134082740,1sleep213407-21grepconf.sh11:53:072
71242730,2sleep52660599cyclictest10:38:225
96362540,1sleep69637-21grep10:23:336
52162520,2sleep22660299cyclictest10:01:032
53502510,0sleep20-21swapper/211:32:092
53502510,0sleep20-21swapper/211:32:092
2645025126,9sleep60-21swapper/607:05:546
217932510,0sleep20-21swapper/211:07:022
33592490,0sleep50-21swapper/509:08:365
2623724924,8sleep40-21swapper/407:02:564
2628924825,8sleep10-21swapper/107:03:411
52382460,0sleep10-21swapper/109:59:091
276522450,0sleep50-21swapper/509:15:485
2621224534,8sleep20-21swapper/207:02:382
234022450,0sleep30-21swapper/310:11:213
194392450,2sleep72660799cyclictest09:20:557
323552440,0sleep20-21swapper/210:08:072
97962430,0sleep40-21swapper/412:30:174
270102430,1sleep227011-21grep11:59:322
13192430,2sleep42660499cyclictest11:50:374
247732420,0sleep20-21swapper/210:52:202
225352420,0sleep50-21swapper/510:18:445
12532420,0sleep70-21swapper/709:34:407
124142420,0sleep30-21swapper/311:32:343
124142420,0sleep30-21swapper/311:32:343
108772420,1sleep610876-21grepconf.sh12:07:536
25272410,0sleep60-21swapper/610:04:356
136252410,0sleep10-21swapper/111:45:451
81262400,0sleep40-21swapper/410:42:054
292612400,0sleep50-21swapper/510:00:335
2625924029,8sleep70-21swapper/707:03:157
2618824028,9sleep50-21swapper/507:02:175
2399924027,9sleep00-21swapper/007:01:160
231922400,2sleep12660199cyclictest09:24:491
186042400,0sleep10-21swapper/111:14:221
130792400,0sleep60-21swapper/612:13:386
2641623928,8sleep30-21swapper/307:05:273
217892390,0sleep20-21swapper/209:22:502
289352370,0sleep40-21swapper/410:26:274
153922370,0sleep50-21swapper/510:35:095
150932370,0sleep20-21swapper/212:26:472
121162370,0sleep10-21swapper/110:34:571
128122360,0sleep20-21swapper/212:32:162
127802360,0sleep30-21swapper/308:31:263
141452320,0sleep00-21swapper/011:36:230
141452320,0sleep00-21swapper/011:36:230
26604992614,1cyclictest49-21ksoftirqd/409:50:254
2660499256,3cyclictest49-21ksoftirqd/410:49:034
2660499249,3cyclictest49-21ksoftirqd/411:34:294
2660499249,3cyclictest49-21ksoftirqd/411:34:294
26601992422,1cyclictest25-21ksoftirqd/111:51:491
2660299239,3cyclictest33-21ksoftirqd/210:38:102
26604992213,1cyclictest49-21ksoftirqd/412:06:164
26604992212,1cyclictest49-21ksoftirqd/409:33:144
2660499221,5cyclictest10590-21grepconf.sh09:29:394
2660299227,1cyclictest33-21ksoftirqd/210:30:052
2659499225,0cyclictest0-21swapper/007:13:000
26594992217,5cyclictest12183-21kworker/u16:011:52:360
2660499217,3cyclictest49-21ksoftirqd/411:52:114
2660499215,3cyclictest49-21ksoftirqd/410:16:514
2660499214,2cyclictest49-21ksoftirqd/411:36:504
2660499214,2cyclictest49-21ksoftirqd/411:36:504
26604992113,1cyclictest49-21ksoftirqd/412:20:214
2660299217,4cyclictest33-21ksoftirqd/210:14:052
26602992116,3cyclictest33-21ksoftirqd/209:32:052
26602992115,4cyclictest33-21ksoftirqd/212:25:002
26602992115,4cyclictest33-21ksoftirqd/212:25:002
26601992117,3cyclictest25-21ksoftirqd/112:02:041
26601992110,1cyclictest131rcu_sched11:36:331
26601992110,1cyclictest131rcu_sched11:36:331
2659499210,15cyclictest0-21swapper/010:12:440
2660599208,6cyclictest57-21ksoftirqd/510:42:565
2660599200,19cyclictest16041-21kworker/5:410:06:175
2660499209,2cyclictest49-21ksoftirqd/411:41:564
2660499206,3cyclictest49-21ksoftirqd/410:23:484
2660499206,1cyclictest49-21ksoftirqd/409:40:424
26604992014,3cyclictest49-21ksoftirqd/410:02:184
2660299203,3cyclictest33-21ksoftirqd/211:30:272
26602992016,1cyclictest33-21ksoftirqd/211:50:512
26602992015,3cyclictest33-21ksoftirqd/212:09:342
2660199204,2cyclictest25-21ksoftirqd/109:28:351
2660199204,1cyclictest25-21ksoftirqd/109:39:421
2659499208,6cyclictest0-21swapper/008:23:020
2659499208,5cyclictest0-21swapper/011:21:440
2660499197,2cyclictest49-21ksoftirqd/412:04:434
2660499194,3cyclictest49-21ksoftirqd/411:17:554
26604991913,3cyclictest49-21ksoftirqd/411:04:044
26604991911,1cyclictest49-21ksoftirqd/409:56:004
26604991910,3cyclictest49-21ksoftirqd/410:11:364
26602991917,1cyclictest33-21ksoftirqd/211:19:252
26602991917,1cyclictest33-21ksoftirqd/209:45:262
26602991916,3cyclictest33-21ksoftirqd/209:13:422
26602991916,1cyclictest33-21ksoftirqd/212:05:532
26602991912,4cyclictest33-21ksoftirqd/211:14:412
2660299191,1cyclictest33-21ksoftirqd/209:36:532
2660199194,3cyclictest25-21ksoftirqd/110:20:371
2660199192,3cyclictest25-21ksoftirqd/111:28:381
26601991916,3cyclictest25-21ksoftirqd/112:14:541
26601991915,1cyclictest25-21ksoftirqd/112:07:331
26601991915,1cyclictest25-21ksoftirqd/110:02:111
26601991912,4cyclictest25-21ksoftirqd/109:51:121
2659499198,5cyclictest0-21swapper/009:07:020
2659499198,5cyclictest0-21swapper/007:56:540
2659499198,0cyclictest0-21swapper/009:01:520
2659499197,6cyclictest0-21swapper/010:00:040
203642190,0sleep50-21swapper/509:30:145
158902190,0sleep00-21swapper/012:34:220
2660599186,1cyclictest20427-21systemd12:19:425
26605991810,3cyclictest57-21ksoftirqd/509:20:295
2660599180,6cyclictest12176-21sshd09:52:005
2660599180,6cyclictest0-21swapper/511:16:565
2660599180,1cyclictest686-21dbus-daemon10:29:005
2660499188,3cyclictest49-21ksoftirqd/409:08:504
26604991812,3cyclictest49-21ksoftirqd/409:11:504
2660499181,3cyclictest49-21ksoftirqd/412:35:194
2660499180,2cyclictest8264-21sshd10:10:314
2660499180,17cyclictest21609-21grepconf.sh09:58:124
2660499180,1cyclictest49-21ksoftirqd/409:22:354
2660299188,1cyclictest33-21ksoftirqd/210:35:202
2660299187,1cyclictest33-21ksoftirqd/210:49:232
2660299182,1cyclictest33-21ksoftirqd/210:45:412
26602991816,1cyclictest33-21ksoftirqd/212:15:452
26602991816,1cyclictest33-21ksoftirqd/211:44:202
26602991814,1cyclictest33-21ksoftirqd/209:30:332
2660299181,1cyclictest131rcu_sched09:52:062
2660299180,3cyclictest131rcu_sched09:07:532
2660299180,1cyclictest131rcu_sched12:17:442
26601991817,1cyclictest25-21ksoftirqd/112:27:101
26601991816,1cyclictest25-21ksoftirqd/109:41:191
26601991815,1cyclictest25-21ksoftirqd/111:07:261
26601991813,3cyclictest25-21ksoftirqd/110:47:491
2660199181,1cyclictest131rcu_sched09:46:261
2659499187,5cyclictest0-21swapper/011:01:280
2659499187,5cyclictest0-21swapper/008:31:400
2659499187,5cyclictest0-21swapper/008:28:460
2659499187,5cyclictest0-21swapper/007:51:400
2660599176,5cyclictest26802-21kworker/u16:311:57:205
2660599176,5cyclictest0-21swapper/508:34:005
26605991716,1cyclictest57-21ksoftirqd/511:10:215
26605991715,1cyclictest57-21ksoftirqd/512:05:265
26605991712,5cyclictest0-21swapper/510:04:065
26605991711,6cyclictest11309-21grepconf.sh11:32:305
26605991711,6cyclictest11309-21grepconf.sh11:32:305
2660599171,1cyclictest131rcu_sched11:22:055
2660599170,5cyclictest0-21swapper/508:41:525
2660599170,5cyclictest0-21swapper/508:00:245
2660499178,1cyclictest49-21ksoftirqd/411:27:254
2660499177,2cyclictest49-21ksoftirqd/410:54:074
2660499176,3cyclictest49-21ksoftirqd/411:07:064
2660499176,2cyclictest49-21ksoftirqd/409:43:084
2660499172,1cyclictest987-21sshd11:11:264
2660499171,3cyclictest49-21ksoftirqd/412:21:214
2660499171,3cyclictest49-21ksoftirqd/412:21:214
2660499171,1cyclictest691-21systemd-logind09:17:074
2660499171,1cyclictest0-21swapper/411:25:344
2660499171,0cyclictest0-21swapper/410:38:214
2660299174,1cyclictest33-21ksoftirqd/210:19:002
26602991716,1cyclictest33-21ksoftirqd/211:04:342
26602991716,1cyclictest33-21ksoftirqd/211:00:542
26602991716,1cyclictest33-21ksoftirqd/209:50:492
26602991715,1cyclictest33-21ksoftirqd/210:04:562
26602991714,3cyclictest33-21ksoftirqd/211:37:542
26602991714,3cyclictest33-21ksoftirqd/211:37:542
26602991712,3cyclictest33-21ksoftirqd/211:23:182
2660299171,2cyclictest33-21ksoftirqd/210:23:402
2660199173,3cyclictest25-21ksoftirqd/110:52:351
2660199173,2cyclictest25-21ksoftirqd/112:32:311
26601991716,1cyclictest25-21ksoftirqd/110:37:041
26601991716,1cyclictest25-21ksoftirqd/109:16:351
26601991715,1cyclictest25-21ksoftirqd/111:32:321
26601991715,1cyclictest25-21ksoftirqd/111:32:321
26601991715,1cyclictest25-21ksoftirqd/111:03:061
26601991715,1cyclictest25-21ksoftirqd/111:00:291
26601991715,1cyclictest25-21ksoftirqd/110:25:121
26601991715,1cyclictest25-21ksoftirqd/110:12:351
26601991715,1cyclictest25-21ksoftirqd/110:08:421
26601991715,1cyclictest25-21ksoftirqd/109:09:551
26601991713,3cyclictest25-21ksoftirqd/111:25:471
26601991713,3cyclictest25-21ksoftirqd/109:32:021
26601991713,1cyclictest25-21ksoftirqd/112:17:021
2660199170,1cyclictest131rcu_sched12:23:531
2660199170,1cyclictest131rcu_sched12:23:531
2660199170,1cyclictest131rcu_sched11:49:151
2659499176,5cyclictest0-21swapper/010:52:060
2659499176,5cyclictest0-21swapper/008:07:400
26606991614,1cyclictest65-21ksoftirqd/609:55:216
2660599166,5cyclictest31585-21kworker/5:110:54:385
2660599166,4cyclictest0-21swapper/508:05:585
2660599164,1cyclictest4012-21kworker/5:412:35:485
26605991614,1cyclictest57-21ksoftirqd/512:16:005
26605991614,1cyclictest57-21ksoftirqd/511:52:175
26605991614,1cyclictest57-21ksoftirqd/511:12:445
26605991614,1cyclictest492-21systemd-journal10:57:295
26605991612,0cyclictest691-21systemd-logind09:32:485
26605991610,1cyclictest57-21ksoftirqd/511:51:025
26605991610,1cyclictest0-21swapper/511:03:265
2660599160,4cyclictest0-21swapper/508:14:365
26604991615,1cyclictest49-21ksoftirqd/411:56:284
26604991614,1cyclictest49-21ksoftirqd/412:11:334
26604991612,2cyclictest49-21ksoftirqd/410:34:004
2660499161,2cyclictest0-21swapper/410:59:234
26602991614,1cyclictest33-21ksoftirqd/209:17:022
26601991615,1cyclictest25-21ksoftirqd/111:17:091
26601991615,1cyclictest25-21ksoftirqd/110:42:591
26601991615,1cyclictest25-21ksoftirqd/110:27:001
26601991614,1cyclictest25-21ksoftirqd/111:58:531
26601991614,1cyclictest25-21ksoftirqd/109:12:251
2659499166,4cyclictest0-21swapper/008:48:440
2659499165,5cyclictest0-21swapper/010:29:100
2659499165,5cyclictest0-21swapper/009:53:180
2659499165,5cyclictest0-21swapper/007:48:280
2659499164,6cyclictest6750-21sshd09:21:560
26606991513,1cyclictest65-21ksoftirqd/611:34:276
26606991513,1cyclictest65-21ksoftirqd/611:34:276
26606991513,1cyclictest65-21ksoftirqd/610:36:186
26606991513,1cyclictest65-21ksoftirqd/610:33:426
26606991513,1cyclictest65-21ksoftirqd/610:06:286
26606991513,1cyclictest65-21ksoftirqd/609:21:206
2660599158,5cyclictest0-21swapper/509:48:165
2660599154,5cyclictest121rcu_preempt12:06:305
2660599152,13cyclictest12561-21kworker/u16:309:42:075
26605991513,1cyclictest57-21ksoftirqd/511:38:525
26605991513,1cyclictest57-21ksoftirqd/511:38:525
26605991513,1cyclictest57-21ksoftirqd/510:21:495
26605991512,2cyclictest57-21ksoftirqd/512:21:585
26605991512,2cyclictest57-21ksoftirqd/512:21:585
2660599151,14cyclictest0-21swapper/509:37:565
2660599150,1cyclictest131rcu_sched10:14:275
2659499159,5cyclictest27045-21bash12:14:280
2659499159,5cyclictest0-21swapper/011:27:080
2659499157,5cyclictest0-21swapper/011:00:240
2659499157,1cyclictest0-21swapper/010:39:080
2659499155,4cyclictest0-21swapper/008:13:360
2659499150,9cyclictest0-21swapper/010:34:380
2659499150,9cyclictest0-21swapper/008:52:080
2659499150,9cyclictest0-21swapper/007:41:560
13402150,1sleep01334-21sshd09:27:130
33732140,0sleep30-21swapper/312:22:233
33732140,0sleep30-21swapper/312:22:233
266482140,0sleep60-21swapper/611:51:596
2660799149,2cyclictest73-21ksoftirqd/709:21:347
26607991413,1cyclictest73-21ksoftirqd/711:33:157
26607991413,1cyclictest73-21ksoftirqd/711:33:157
26607991413,1cyclictest73-21ksoftirqd/710:26:287
26607991413,1cyclictest73-21ksoftirqd/709:11:217
26606991413,1cyclictest65-21ksoftirqd/611:58:496
26606991413,1cyclictest65-21ksoftirqd/611:02:236
26606991412,1cyclictest65-21ksoftirqd/611:20:016
26606991412,1cyclictest65-21ksoftirqd/610:42:446
26605991413,1cyclictest57-21ksoftirqd/512:26:595
26605991412,1cyclictest57-21ksoftirqd/511:41:325
26605991412,1cyclictest57-21ksoftirqd/510:46:545
26605991412,1cyclictest57-21ksoftirqd/509:21:135
26603991413,1cyclictest41-21ksoftirqd/311:43:463
26601991412,1cyclictest26184-21kworker/1:107:21:201
2659499149,1cyclictest723-21in:imjournal11:58:400
2659499148,6cyclictest0-21swapper/011:44:400
2659499148,5cyclictest0-21swapper/010:06:120
2659499148,0cyclictest0-21swapper/008:58:160
2659499143,5cyclictest11662-21grepconf.sh11:06:270
2659499143,5cyclictest0-21swapper/007:32:200
2659499142,7cyclictest0-21swapper/012:05:580
2659499142,6cyclictest0-21swapper/010:02:280
2659499142,6cyclictest0-21swapper/009:35:260
2659499140,10cyclictest3732-21systemd11:33:580
2659499140,10cyclictest3732-21systemd11:33:580
251772140,1sleep625176-21grep09:30:316
311982130,0sleep30-21swapper/309:36:213
303552130,0sleep70-21swapper/710:34:077
298952130,1sleep329894-21crond11:41:073
298952130,1sleep329894-21crond11:41:073
28612130,0sleep30-21swapper/309:25:313
2660799138,4cyclictest73-21ksoftirqd/710:38:557
26607991312,1cyclictest73-21ksoftirqd/710:20:257
26607991311,1cyclictest73-21ksoftirqd/712:07:067
26607991310,1cyclictest73-21ksoftirqd/711:45:197
2660799130,13cyclictest8364-21kworker/7:011:11:547
2660699139,3cyclictest65-21ksoftirqd/609:34:166
2660699139,2cyclictest65-21ksoftirqd/610:48:356
2660699134,4cyclictest12561-21kworker/u16:309:40:146
26606991312,1cyclictest65-21ksoftirqd/612:05:436
26606991312,1cyclictest65-21ksoftirqd/609:20:596
26606991311,1cyclictest65-21ksoftirqd/609:12:296
2660599139,3cyclictest57-21ksoftirqd/511:26:515
2660599130,7cyclictest0-21swapper/507:40:225
2660599130,2cyclictest0-21swapper/508:49:245
2660499135,1cyclictest49-21ksoftirqd/408:36:244
2659499138,5cyclictest2442-21sshd11:46:520
2659499138,5cyclictest0-21swapper/010:44:200
2659499138,5cyclictest0-21swapper/010:23:120
2659499138,5cyclictest0-21swapper/008:03:240
2659499138,5cyclictest0-21swapper/007:40:220
2659499138,5cyclictest0-21swapper/007:29:040
2659499138,5cyclictest0-21swapper/007:29:040
2659499137,6cyclictest0-21swapper/007:23:040
2659499137,5cyclictest11753-21bash09:42:380
2659499137,0cyclictest0-21swapper/008:39:340
2659499133,4cyclictest17805-21sshd10:48:160
2659499132,5cyclictest0-21swapper/012:07:400
2659499132,5cyclictest0-21swapper/009:47:520
2659499132,5cyclictest0-21swapper/009:15:580
2659499131,6cyclictest0-21swapper/008:16:400
2659499130,12cyclictest1283-21kworker/0:609:36:510
236752130,0sleep60-21swapper/611:29:336
323972120,4sleep30-21swapper/311:57:583
27022120,0sleep70-21swapper/710:52:577
2660799128,3cyclictest73-21ksoftirqd/712:17:497
2660799127,4cyclictest73-21ksoftirqd/710:25:117
2660799127,3cyclictest73-21ksoftirqd/712:12:337
26607991211,1cyclictest73-21ksoftirqd/712:30:077
26607991211,1cyclictest73-21ksoftirqd/709:56:597
26607991210,1cyclictest73-21ksoftirqd/711:57:017
26607991210,1cyclictest73-21ksoftirqd/711:22:517
26607991210,1cyclictest73-21ksoftirqd/711:06:577
26607991210,1cyclictest73-21ksoftirqd/709:47:397
26607991210,1cyclictest73-21ksoftirqd/709:26:567
26607991210,1cyclictest686-21dbus-daemon11:48:437
2660699129,3cyclictest65-21ksoftirqd/612:22:206
2660699129,3cyclictest65-21ksoftirqd/612:22:206
26606991211,1cyclictest65-21ksoftirqd/612:33:596
26606991211,1cyclictest65-21ksoftirqd/611:40:586
26606991211,1cyclictest65-21ksoftirqd/611:40:586
26606991211,1cyclictest65-21ksoftirqd/610:12:396
26606991211,1cyclictest30523-21kworker/6:009:41:086
26606991210,1cyclictest65-21ksoftirqd/612:30:596
26606991210,1cyclictest65-21ksoftirqd/611:41:536
26606991210,1cyclictest65-21ksoftirqd/611:23:056
26606991210,1cyclictest65-21ksoftirqd/610:56:566
26606991210,1cyclictest65-21ksoftirqd/610:53:226
26606991210,1cyclictest65-21ksoftirqd/610:19:216
26606991210,1cyclictest65-21ksoftirqd/609:47:156
2660599120,6cyclictest0-21swapper/508:56:405
2660599120,6cyclictest0-21swapper/508:37:505
2660599120,6cyclictest0-21swapper/507:47:585
2660599120,6cyclictest0-21swapper/507:45:325
2660599120,6cyclictest0-21swapper/507:31:485
2660599120,6cyclictest0-21swapper/507:21:365
2660599120,0cyclictest0-21swapper/509:03:245
2660599120,0cyclictest0-21swapper/508:51:125
2660599120,0cyclictest0-21swapper/508:26:285
2660599120,0cyclictest0-21swapper/508:21:125
2660599120,0cyclictest0-21swapper/508:16:565
2660599120,0cyclictest0-21swapper/508:08:065
2660599120,0cyclictest0-21swapper/507:54:205
2660599120,0cyclictest0-21swapper/507:30:305
2660599120,0cyclictest0-21swapper/507:30:305
2660599120,0cyclictest0-21swapper/507:17:125
2660499122,2cyclictest49-21ksoftirqd/408:21:214
26604991211,1cyclictest49-21ksoftirqd/409:06:084
2660399122,4cyclictest27097-21sshd11:26:023
2660399122,4cyclictest25105-21sshd11:09:093
2660399122,4cyclictest0-21swapper/312:13:193
2660399122,4cyclictest0-21swapper/311:53:563
2660399121,5cyclictest11128-21systemd12:06:073
2660399120,6cyclictest31971-21sd-pam10:34:133
2660399120,12cyclictest30528-21kworker/3:209:13:533
26601991211,1cyclictest27301-21kworker/1:209:01:521
26601991211,1cyclictest11183-21kworker/1:008:16:281
26601991210,1cyclictest25-21ksoftirqd/107:51:071
2659499127,5cyclictest0-21swapper/007:16:220
2659499126,5cyclictest0-21swapper/010:17:500
2659499122,9cyclictest28089-21taskset07:06:220
2659499121,5cyclictest0-21swapper/012:23:480
2659499121,5cyclictest0-21swapper/012:23:480
2659499121,5cyclictest0-21swapper/011:17:120
2659499120,6cyclictest0-21swapper/012:30:120
2659499120,11cyclictest8736-21kworker/0:409:16:100
2659499120,0cyclictest0-21swapper/011:15:020
235742120,0sleep323564-21sshd10:07:363
143102120,0sleep70-21swapper/712:32:217
2660799119,1cyclictest73-21ksoftirqd/711:03:097
2660799119,1cyclictest73-21ksoftirqd/710:47:397
2660799119,1cyclictest73-21ksoftirqd/710:07:427
2660799119,1cyclictest23344-21sshd10:01:597
2660799118,3cyclictest73-21ksoftirqd/711:55:257
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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