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2026-08-19 - 10:23
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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 19, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3199799150134,1cyclictest73-21ksoftirqd/722:37:117
52162980,1sleep6641ktimersoftd/600:22:426
254942960,1sleep7464-21systemd-journal21:45:057
31996999333,24cyclictest23209-21bash22:37:106
242642820,1sleep13197299cyclictest23:16:541
174512810,2sleep23198099cyclictest00:07:082
3199499770,77cyclictest3213-21kworker/4:222:37:104
3196499590,58cyclictest3102-21kworker/u16:422:37:100
247262590,0sleep40-21swapper/422:35:324
216612550,7sleep773-21ksoftirqd/721:28:397
55152530,1sleep7758-21runrttasks23:17:407
8092520,12sleep213550irq/24-ahci[00021:56:132
220232520,0sleep10-21swapper/122:28:081
151812520,0sleep00-21swapper/021:12:060
125952510,0sleep20-21swapper/223:14:302
3173725038,8sleep70-21swapper/719:04:597
282032500,0sleep20-21swapper/222:33:542
243092500,0sleep00-21swapper/021:48:340
31980994843,4cyclictest13550irq/24-ahci[00022:37:102
94402470,0sleep00-21swapper/021:54:590
56202470,0sleep10-21swapper/100:19:091
56202470,0sleep10-21swapper/100:19:091
45022470,0sleep40-21swapper/423:33:554
177382460,0sleep70-21swapper/700:14:267
177382460,0sleep70-21swapper/700:14:267
175982460,0sleep60-21swapper/621:14:046
314562450,1sleep557-21ksoftirqd/522:34:055
21832450,0sleep31680-21sshd23:55:323
134122450,1sleep4481ktimersoftd/400:06:544
125062450,0sleep112477-21sshd00:06:511
302692440,0sleep40-21swapper/419:55:554
286082440,1sleep341-21ksoftirqd/323:40:423
201222440,2sleep53199599cyclictest23:27:315
31972994342,1cyclictest15-21kswork22:37:101
3153924339,1sleep10-21swapper/119:02:121
239692430,0sleep40-21swapper/421:32:204
216982430,1sleep4721-21dbus-daemon22:06:244
260702420,0sleep126069-21sshd21:57:401
113192420,0sleep23198099cyclictest21:29:542
86452410,0sleep50-21swapper/523:55:505
314572410,0sleep20-21swapper/223:40:492
3144824128,9sleep30-21swapper/319:01:023
92632400,0sleep40-21swapper/423:37:474
44322400,0sleep30-21swapper/323:37:303
3158524029,8sleep00-21swapper/019:02:510
3151424028,9sleep50-21swapper/519:01:525
3149524027,9sleep40-21swapper/419:01:354
3148824028,8sleep60-21swapper/619:01:296
28052400,0sleep40-21swapper/422:18:024
31995993928,10cyclictest756-21sshd22:37:105
128692390,2sleep53199599cyclictest21:53:205
2930423826,8sleep20-21swapper/219:00:372
292362380,1sleep71-21systemd23:42:317
173782380,0sleep10-21swapper/121:35:381
16152380,0sleep70-21swapper/722:30:387
51112370,2sleep53199599cyclictest23:19:305
31988993737,0cyclictest19118-21kworker/3:522:37:103
283742360,0sleep50-21swapper/522:41:015
60092330,2sleep33198899cyclictest23:01:263
3199699230,2cyclictest6750-21bash21:22:246
3199699222,7cyclictest5212-21sshd23:23:056
31997992117,1cyclictest73-21ksoftirqd/721:23:147
31997992116,1cyclictest73-21ksoftirqd/723:24:097
3199699215,8cyclictest22906-21systemd21:44:566
3197299215,1cyclictest25-21ksoftirqd/123:42:051
31972992117,1cyclictest25-21ksoftirqd/123:33:221
86642200,1sleep78666-21cpuspeed_turbos19:20:437
3199799204,3cyclictest73-21ksoftirqd/722:28:107
3199699200,2cyclictest26894-21id22:46:216
3197299207,1cyclictest25-21ksoftirqd/121:55:071
31972992016,3cyclictest25-21ksoftirqd/121:23:001
31972992016,1cyclictest25-21ksoftirqd/121:43:351
31972992015,3cyclictest25-21ksoftirqd/121:31:451
31997991916,2cyclictest73-21ksoftirqd/700:09:357
31997991916,1cyclictest73-21ksoftirqd/721:55:357
3199699194,7cyclictest21554-21systemd21:08:486
3199699192,9cyclictest17131-21sshd23:14:466
3199699190,2cyclictest25536-21bash22:28:206
3197299196,3cyclictest25-21ksoftirqd/121:15:551
3197299195,1cyclictest121rcu_preempt21:13:221
31972991915,3cyclictest464-21systemd-journal21:48:361
31972991915,3cyclictest25-21ksoftirqd/123:00:471
31972991915,3cyclictest25-21ksoftirqd/122:49:301
31972991915,3cyclictest25-21ksoftirqd/122:20:541
31972991913,3cyclictest25-21ksoftirqd/122:30:371
209452190,0sleep70-21swapper/700:18:117
209452190,0sleep70-21swapper/700:18:117
180852190,1sleep018078-21sshd23:09:240
31997991816,1cyclictest73-21ksoftirqd/723:08:357
31997991816,1cyclictest73-21ksoftirqd/722:05:417
31997991816,1cyclictest73-21ksoftirqd/721:48:427
3199699183,9cyclictest22084-21grepconf.sh21:16:026
3199699182,7cyclictest28100-21sshd22:42:526
3199699182,7cyclictest27543-21grep00:16:436
3199699182,7cyclictest27543-21grep00:16:436
3199699180,2cyclictest721-21dbus-daemon21:47:216
3199699180,1cyclictest17938-21grepconf.sh23:38:176
3199699180,1cyclictest1208-21kill21:29:206
3199699180,1cyclictest0-21swapper/622:09:276
3197299181,1cyclictest25-21ksoftirqd/100:01:551
291612180,1sleep5721-21dbus-daemon23:40:445
192412180,0sleep70-21swapper/700:34:217
75392170,0sleep2321ktimersoftd/222:57:562
68442170,1sleep06511-21sshd21:33:130
3199799175,1cyclictest73-21ksoftirqd/721:09:457
31997991716,1cyclictest73-21ksoftirqd/722:44:597
31997991715,1cyclictest73-21ksoftirqd/723:10:477
31997991715,1cyclictest73-21ksoftirqd/722:01:267
31997991715,1cyclictest73-21ksoftirqd/721:53:177
31997991715,1cyclictest73-21ksoftirqd/721:35:177
31997991714,3cyclictest73-21ksoftirqd/722:51:467
31997991714,1cyclictest73-21ksoftirqd/722:25:347
31997991713,3cyclictest73-21ksoftirqd/723:39:517
31997991712,3cyclictest73-21ksoftirqd/722:45:407
31997991711,4cyclictest73-21ksoftirqd/723:05:137
31997991710,3cyclictest73-21ksoftirqd/723:27:237
3199699170,2cyclictest17754-21bash00:01:446
3199699170,2cyclictest13924-21sshd21:53:236
3199699170,1cyclictest31914-21sshd21:59:516
3199699170,1cyclictest2829-21sshd00:06:186
3199699170,1cyclictest0-21swapper/623:32:566
31994991712,1cyclictest49-21ksoftirqd/421:46:184
31972991716,1cyclictest25-21ksoftirqd/122:17:231
31972991716,1cyclictest25-21ksoftirqd/122:04:041
31972991715,1cyclictest25-21ksoftirqd/123:56:221
31972991715,1cyclictest25-21ksoftirqd/123:36:141
31972991715,1cyclictest25-21ksoftirqd/122:07:141
31972991715,1cyclictest25-21ksoftirqd/121:28:121
31972991715,1cyclictest25-21ksoftirqd/121:05:341
31972991715,1cyclictest25-21ksoftirqd/100:10:571
31972991715,1cyclictest25-21ksoftirqd/100:10:571
31972991714,1cyclictest25-21ksoftirqd/123:28:171
31972991713,1cyclictest25-21ksoftirqd/122:57:531
31972991712,3cyclictest25-21ksoftirqd/123:13:261
3197299170,3cyclictest121rcu_preempt22:42:231
266842170,0sleep10-21swapper/122:13:581
31997991615,1cyclictest73-21ksoftirqd/721:19:457
31997991614,1cyclictest73-21ksoftirqd/723:57:217
31997991614,1cyclictest73-21ksoftirqd/723:49:277
31997991614,1cyclictest73-21ksoftirqd/722:16:347
31997991614,1cyclictest73-21ksoftirqd/721:12:247
31997991614,1cyclictest73-21ksoftirqd/700:25:597
31997991612,1cyclictest73-21ksoftirqd/723:52:407
31997991611,3cyclictest73-21ksoftirqd/721:35:477
3199699160,7cyclictest0-21swapper/623:17:366
3199699160,1cyclictest2577-21sshd21:36:316
3199699160,1cyclictest0-21swapper/622:19:496
31972991615,1cyclictest25-21ksoftirqd/100:25:591
31972991614,1cyclictest25-21ksoftirqd/123:08:521
3197299160,3cyclictest131rcu_sched21:10:161
3197299160,1cyclictest131rcu_sched00:23:591
3197299160,1cyclictest121rcu_preempt23:21:061
31997991514,1cyclictest73-21ksoftirqd/722:57:127
31997991513,1cyclictest73-21ksoftirqd/723:33:357
31997991513,1cyclictest73-21ksoftirqd/722:10:527
31997991513,1cyclictest73-21ksoftirqd/700:23:477
31997991513,1cyclictest73-21ksoftirqd/700:00:597
3199699150,1cyclictest721-21dbus-daemon23:56:096
3199699150,1cyclictest25180-21bash23:42:176
3199699150,1cyclictest1-21systemd22:59:526
3199699150,1cyclictest1-21systemd22:21:406
3199699150,1cyclictest0-21swapper/622:14:526
31994991512,2cyclictest21982-21sshd22:56:564
31972991513,1cyclictest25-21ksoftirqd/123:50:521
31972991513,1cyclictest25-21ksoftirqd/123:47:521
31972991513,1cyclictest25-21ksoftirqd/100:30:481
31972991513,1cyclictest231rcuc/122:52:321
249922150,0sleep5551rcuc/521:10:515
174742150,0sleep60-21swapper/621:31:586
31997991412,1cyclictest711rcuc/720:15:347
3199699140,10cyclictest24471-21sshd00:32:486
31995991412,1cyclictest57-21ksoftirqd/500:08:505
283452140,0sleep3758-21runrttasks00:27:363
191822140,0sleep60-21swapper/622:02:426
320942130,0sleep30-21swapper/322:01:353
3199699130,12cyclictest19133-21sshd22:51:206
3199699130,1cyclictest30581-21systemd-cgroups23:51:366
3199599133,4cyclictest19347-21grepconf.sh23:38:215
3199599132,5cyclictest26482-21bash23:11:365
3199599132,5cyclictest11660-21grepconf.sh21:22:415
31995991310,2cyclictest57-21ksoftirqd/522:26:215
3199599130,3cyclictest57-21ksoftirqd/522:17:055
3199599130,13cyclictest23827-21kworker/5:221:36:255
31994991311,1cyclictest49-21ksoftirqd/423:58:314
3198899133,4cyclictest17865-21sshd23:00:243
3198899133,4cyclictest1-21systemd22:42:473
3198899130,12cyclictest27739-21kworker/3:423:35:173
3198899130,10cyclictest28377-21sshd00:16:453
3198899130,10cyclictest28377-21sshd00:16:453
3198099133,5cyclictest709-21systemd-logind23:52:012
3198099132,5cyclictest11716-21sshd22:27:322
3196499136,7cyclictest0-21swapper/023:17:160
3196499135,2cyclictest20607-21sshd00:30:480
31964991311,1cyclictest9-21ksoftirqd/023:26:010
299722130,0sleep30-21swapper/321:39:563
138402130,0sleep60-21swapper/623:01:536
47062120,0sleep20-21swapper/220:10:342
31997991210,1cyclictest73-21ksoftirqd/720:05:347
3199699124,7cyclictest6169-21bash23:10:336
3199699124,7cyclictest2422-21bash23:46:246
3199699120,2cyclictest32006-21grepconf.sh00:27:486
3199699120,2cyclictest27508-21bash00:11:176
3199699120,2cyclictest27508-21bash00:11:176
3199699120,1cyclictest0-21swapper/622:31:466
3199599129,2cyclictest3852-21sshd00:31:375
3199599122,4cyclictest721-21dbus-daemon21:09:195
3199599122,4cyclictest17549-21systemd-cgroups00:21:335
3199599122,4cyclictest0-21swapper/523:22:135
3199599121,5cyclictest27386-21sshd21:43:215
3199599120,6cyclictest26224-21sshd22:01:145
3199599120,12cyclictest17025-21kworker/5:322:55:025
3199599120,11cyclictest6164-21kworker/5:200:15:385
3199599120,11cyclictest6164-21kworker/5:200:15:385
3199599120,11cyclictest17025-21kworker/5:300:13:395
3199599120,11cyclictest17025-21kworker/5:300:13:395
3199499125,4cyclictest721-21dbus-daemon21:53:284
31994991210,1cyclictest49-21ksoftirqd/422:48:524
31994991210,1cyclictest49-21ksoftirqd/422:03:424
31994991210,1cyclictest20501-21systemd-cgroups22:26:104
3199499120,12cyclictest0-21swapper/422:23:014
3199499120,1cyclictest0-21swapper/400:23:444
3198899122,4cyclictest22826-21sshd00:09:183
3198899122,4cyclictest19117-21sshd21:08:383
3198899120,12cyclictest21998-21kworker/3:221:56:383
3198899120,11cyclictest3023-21kworker/3:321:25:493
3198899120,1cyclictest0-21swapper/322:20:113
3198099129,1cyclictest33-21ksoftirqd/221:39:422
3198099122,4cyclictest952-21grep00:02:372
3198099122,4cyclictest0-21swapper/221:20:412
31980991210,1cyclictest33-21ksoftirqd/200:19:142
31980991210,1cyclictest33-21ksoftirqd/200:19:142
31980991210,1cyclictest0-21swapper/221:45:452
3198099120,12cyclictest6228-21kworker/2:421:09:312
3198099120,11cyclictest29532-21systemd-cgroups22:05:082
3196499122,4cyclictest17055-21sshd22:24:150
31964991211,1cyclictest9-21ksoftirqd/022:46:240
31964991210,1cyclictest9-21ksoftirqd/023:53:190
3199799119,1cyclictest73-21ksoftirqd/721:05:347
3199699112,8cyclictest31935-21bash23:26:206
3199599117,4cyclictest57-21ksoftirqd/521:45:475
3199599112,4cyclictest16422-21sshd22:24:135
3199599112,3cyclictest0-21swapper/521:19:545
31995991110,1cyclictest57-21ksoftirqd/523:30:495
31995991110,1cyclictest57-21ksoftirqd/522:49:035
3199599111,4cyclictest9073-21systemd00:04:565
3199599111,4cyclictest8311-21sshd22:07:305
3199599111,4cyclictest0-21swapper/523:06:335
3199599110,11cyclictest8969-21kworker/5:000:25:405
3199599110,11cyclictest23017-21kworker/5:322:10:395
3199599110,11cyclictest17025-21kworker/5:322:55:415
3199599110,10cyclictest17322-21kworker/5:521:26:145
3199599110,1cyclictest0-21swapper/523:50:475
3199499119,1cyclictest7934-21systemd-cgroups21:36:504
3199499119,1cyclictest29487-21sshd23:46:064
3199499118,3cyclictest49-21ksoftirqd/423:14:034
3199499114,4cyclictest663-21in:imjournal00:03:544
3199499111,6cyclictest15400-21grepconf.sh22:54:504
3199499110,10cyclictest6653-21sshd00:19:134
3199499110,10cyclictest6653-21sshd00:19:134
3199499110,10cyclictest3946-21sshd00:11:484
3199499110,10cyclictest3946-21sshd00:11:484
3198899118,2cyclictest11755-21sshd22:25:463
3198899115,5cyclictest0-21swapper/300:13:443
3198899115,5cyclictest0-21swapper/300:13:443
3198899115,3cyclictest857-21polkitd21:17:013
3198899113,7cyclictest15491-21sd-pam00:23:173
3198899112,4cyclictest4482-21bash22:10:533
31988991110,1cyclictest41-21ksoftirqd/323:20:293
3198899111,4cyclictest464-21systemd-journal23:10:163
3198899111,4cyclictest0-21swapper/323:55:403
3198899111,4cyclictest0-21swapper/321:41:503
3198899110,5cyclictest15696-21id21:24:463
3198099119,1cyclictest33-21ksoftirqd/222:05:522
3198099112,4cyclictest28319-21grepconf.sh22:44:432
3198099111,4cyclictest25847-21systemd-cgroups22:53:352
3198099111,4cyclictest10947-21systemd23:28:512
3198099110,10cyclictest721-21dbus-daemon21:32:212
3198099110,1cyclictest4694-21kworker/u16:522:21:422
31972991110,1cyclictest25-21ksoftirqd/120:10:341
31972991110,1cyclictest21519-21kworker/1:019:12:031
3196499119,1cyclictest9-21ksoftirqd/023:22:330
3196499119,1cyclictest9-21ksoftirqd/022:55:550
3196499119,1cyclictest9-21ksoftirqd/000:13:570
3196499119,1cyclictest9-21ksoftirqd/000:13:570
3196499119,1cyclictest0-21swapper/021:58:140
3196499118,2cyclictest5290-21bash00:26:160
3196499114,3cyclictest464-21systemd-journal00:06:580
3196499114,3cyclictest0-21swapper/023:35:120
3196499113,1cyclictest21231-21sshd22:17:140
3196499111,4cyclictest31734-21grepconf.sh21:36:200
295302110,0sleep00-21swapper/022:32:070
321472100,0sleep00-21swapper/023:44:320
3199699103,6cyclictest752-21snmpd20:39:316
3199699103,6cyclictest752-21snmpd20:27:256
3199699103,6cyclictest752-21snmpd20:08:156
3199699103,6cyclictest752-21snmpd19:56:246
3199699103,6cyclictest752-21snmpd19:50:396
3199699103,6cyclictest752-21snmpd19:25:476
3199699103,6cyclictest752-21snmpd19:21:596
3199699103,6cyclictest752-21snmpd19:17:296
3199699103,6cyclictest752-21snmpd19:13:506
3199699102,7cyclictest752-21snmpd19:31:326
3199699100,1cyclictest5375-21perl20:10:496
3199699100,1cyclictest21910-21cpu20:40:446
3199699100,1cyclictest0-21swapper/620:45:526
3199599103,2cyclictest26217-21sshd23:00:485
3199599103,1cyclictest0-21swapper/521:56:345
3199599100,7cyclictest31617-21systemd23:48:055
3199599100,4cyclictest12653-21sshd21:33:325
3199499109,1cyclictest49-21ksoftirqd/422:43:364
3199499109,1cyclictest29472-21sshd23:04:384
3199499108,1cyclictest49-21ksoftirqd/423:16:324
3199499108,1cyclictest49-21ksoftirqd/422:11:194
3199499108,1cyclictest49-21ksoftirqd/421:26:574
3199499108,1cyclictest49-21ksoftirqd/400:27:224
3199499105,1cyclictest7994-21sshd21:22:294
3199499104,1cyclictest0-21swapper/421:58:254
3199499103,4cyclictest857-21polkitd23:43:314
3199499103,4cyclictest5452-21sshd23:23:064
3199499103,4cyclictest17368-21bash21:19:274
3199499103,4cyclictest1-21systemd23:51:354
3199499101,4cyclictest23203-21grepconf.sh23:09:414
3199499100,6cyclictest1218-21sd-pam00:31:294
3199499100,4cyclictest0-21swapper/419:40:504
3198899109,1cyclictest41-21ksoftirqd/321:34:203
3198899103,6cyclictest0-21swapper/321:52:343
3198899102,7cyclictest19804-21bash23:27:303
3198899102,4cyclictest22700-21bash22:47:593
3198899102,3cyclictest4063-21sshd22:50:343
3198899100,4cyclictest21175-21sshd22:20:513
3198899100,4cyclictest1882-21sshd22:08:593
3198899100,4cyclictest10754-21sshd23:25:143
3198899100,10cyclictest0-21swapper/322:31:363
3198099109,1cyclictest33-21ksoftirqd/221:40:342
3198099108,1cyclictest10520-21systemd23:59:362
3198099107,1cyclictest33-21ksoftirqd/222:10:532
3198099102,7cyclictest26825-21sshd00:22:052
3198099102,4cyclictest20765-21bash23:22:072
3198099102,4cyclictest13550irq/24-ahci[00000:25:492
3198099100,9cyclictest22266-21kworker/2:421:51:002
3198099100,4cyclictest7521-21sshd23:46:422
3198099100,4cyclictest17591-21systemd-cgroups23:30:562
3198099100,4cyclictest1-21systemd23:16:372
3198099100,4cyclictest0-21swapper/221:11:592
3198099100,10cyclictest22215-21kworker/2:423:36:052
3196499109,1cyclictest9-21ksoftirqd/023:56:220
3196499109,1cyclictest0-21swapper/021:07:180
3196499108,1cyclictest9-21ksoftirqd/023:47:200
3196499108,1cyclictest9-21ksoftirqd/021:23:520
3196499108,1cyclictest9-21ksoftirqd/000:16:520
3196499108,1cyclictest9-21ksoftirqd/000:16:520
3196499108,1cyclictest709-21systemd-logind22:40:480
3196499105,4cyclictest22345-21sshd21:28:420
3196499104,4cyclictest9408-21bash21:19:000
3196499103,1cyclictest28133-21grep00:22:100
3196499102,3cyclictest32679-21sshd23:11:570
3196499100,9cyclictest18935-21kworker/0:323:01:420
3196499100,4cyclictest1-21systemd21:40:440
3196499100,3cyclictest0-21swapper/022:04:280
3196499100,1cyclictest24916-21sshd00:02:090
319969993,5cyclictest752-21snmpd20:33:196
319969992,6cyclictest752-21snmpd21:03:236
319969992,6cyclictest32274-21interrupts20:00:546
319969992,6cyclictest21446-21pmu-power19:40:546
319969990,8cyclictest8821-21nfsd420:15:516
319969990,8cyclictest24122-21nfsd419:45:526
319969990,8cyclictest18069-21latency19:35:526
319969990,8cyclictest0-21swapper/620:20:496
319969990,1cyclictest0-21swapper/620:55:486
319969990,1cyclictest0-21swapper/619:05:536
319969990,1cyclictest0-21swapper/619:05:536
319949997,1cyclictest49-21ksoftirqd/421:10:094
319949994,4cyclictest24325-21sshd21:10:504
319949991,4cyclictest731-21sshd23:26:244
319949990,6cyclictest18142-21sshd21:40:584
319889996,2cyclictest15266-21grep23:12:493
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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