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2026-08-18 - 14:55
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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 376 highest latencies:
System rack3slot0.osadl.org (updated Tue Aug 18, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2935199141122,1cyclictest41-21ksoftirqd/309:57:223
29360997473,1cyclictest1843-21nfsd09:57:225
2936699634,21cyclictest13668-21sshd09:57:236
316442510,0sleep10-21swapper/109:29:301
2902725125,9sleep70-21swapper/707:03:557
166292500,0sleep773-21ksoftirqd/711:44:247
293322490,1sleep029330-21id09:32:570
2883624925,8sleep60-21swapper/607:01:146
254682480,0sleep7711rcuc/711:21:177
137552480,0sleep00-21swapper/012:31:260
84972470,0sleep20-21swapper/211:09:352
68262470,2sleep02933899cyclictest10:42:180
2888924723,9sleep10-21swapper/107:01:571
261052470,0sleep1231rcuc/111:21:191
232072470,0sleep50-21swapper/512:08:255
188822470,1sleep09-21ksoftirqd/009:41:220
188822470,1sleep09-21ksoftirqd/009:41:220
273092460,2sleep12934099cyclictest09:18:251
167952460,2sleep02933899cyclictest10:21:030
306652450,4sleep630663-21bash10:36:236
225822450,0sleep70-21swapper/710:43:137
20052440,1sleep01844-21nfsd09:55:000
8992430,0sleep60-21swapper/610:25:426
2669224324,14sleep20-21swapper/207:00:462
216092430,1sleep1758-21runrttasks10:48:351
8692420,0sleep60-21swapper/612:18:036
7942420,0sleep30-21swapper/310:12:573
288022420,0sleep30-21swapper/309:13:063
74462410,0sleep50-21swapper/511:45:425
32822410,0sleep20-21swapper/209:58:382
2908924129,9sleep30-21swapper/307:04:393
28392410,0sleep10-21swapper/111:00:131
263582410,0sleep60-21swapper/611:50:236
25182410,0sleep00-21swapper/011:00:120
169012410,0sleep10-21swapper/111:04:371
156332410,0sleep10-21swapper/112:11:331
141352410,0sleep20-21swapper/211:56:522
141352410,0sleep20-21swapper/211:56:522
6762400,2sleep2321ktimersoftd/211:00:062
211032400,0sleep40-21swapper/412:17:214
179342400,0sleep00-21swapper/012:24:290
155682400,0sleep00-21swapper/010:39:130
147672400,0sleep00-21swapper/012:02:270
145462400,0sleep10-21swapper/110:31:531
115312400,0sleep50-21swapper/512:02:165
29338993917,21cyclictest11821-21kworker/u16:209:57:230
2887223926,9sleep40-21swapper/407:01:444
2883523927,8sleep50-21swapper/507:01:135
215552390,1sleep32935199cyclictest09:37:573
178182390,0sleep50-21swapper/508:35:535
178182390,0sleep50-21swapper/508:35:535
149802390,0sleep20-21swapper/210:20:572
89862380,0sleep70-21swapper/709:22:477
47142380,2sleep52936099cyclictest09:26:065
29369993837,1cyclictest25965-21kworker/7:509:57:237
2896423827,8sleep00-21swapper/007:03:000
218082380,0sleep40-21swapper/411:59:104
218082380,0sleep40-21swapper/411:59:104
2934099360,36cyclictest24746-21kworker/1:209:57:231
29357993128,2cyclictest13599-21sshd09:57:234
199752300,2sleep62936699cyclictest09:34:166
29347992411,2cyclictest33-21ksoftirqd/212:10:572
2936099230,3cyclictest0-21swapper/509:18:325
29347992313,3cyclictest33-21ksoftirqd/211:44:232
29351992210,1cyclictest41-21ksoftirqd/311:34:183
2934799220,2cyclictest0-21swapper/212:04:002
2936099210,4cyclictest26203-21systemd-cgroups11:23:125
2935199218,2cyclictest41-21ksoftirqd/311:44:293
29351992110,2cyclictest41-21ksoftirqd/309:43:263
29351992110,2cyclictest41-21ksoftirqd/309:43:263
29351992110,1cyclictest41-21ksoftirqd/310:50:523
29347992110,4cyclictest33-21ksoftirqd/209:34:342
29347992015,3cyclictest33-21ksoftirqd/209:53:182
2934799200,1cyclictest33-21ksoftirqd/211:47:312
198012200,0sleep00-21swapper/009:46:510
158532200,0sleep10-21swapper/110:39:141
29360991914,3cyclictest57-21ksoftirqd/510:33:155
2935199198,3cyclictest41-21ksoftirqd/310:41:363
2935199198,2cyclictest41-21ksoftirqd/312:27:383
2935199198,2cyclictest41-21ksoftirqd/312:08:423
2935199197,4cyclictest41-21ksoftirqd/309:16:313
2935199197,2cyclictest41-21ksoftirqd/311:15:513
2935199197,2cyclictest41-21ksoftirqd/310:35:523
29351991914,3cyclictest41-21ksoftirqd/311:23:433
2935199191,3cyclictest41-21ksoftirqd/311:58:233
2935199191,3cyclictest41-21ksoftirqd/311:58:233
2935199190,1cyclictest0-21swapper/310:32:403
2934799199,3cyclictest33-21ksoftirqd/209:10:552
2934799198,3cyclictest33-21ksoftirqd/209:19:282
2934799197,3cyclictest33-21ksoftirqd/211:03:552
2934799197,1cyclictest33-21ksoftirqd/210:41:162
29347991912,1cyclictest33-21ksoftirqd/212:29:082
2934799191,3cyclictest33-21ksoftirqd/209:41:102
2934799191,3cyclictest33-21ksoftirqd/209:41:102
2934799191,3cyclictest29812-21systemd-cgroups10:50:502
2934799190,1cyclictest33-21ksoftirqd/211:36:192
2934799190,1cyclictest33-21ksoftirqd/210:14:452
2934799190,1cyclictest0-21swapper/210:48:222
2936099180,0cyclictest0-21swapper/510:38:025
2935199189,2cyclictest41-21ksoftirqd/312:20:343
2935199188,3cyclictest41-21ksoftirqd/309:54:213
2935199187,3cyclictest41-21ksoftirqd/311:50:513
2935199187,3cyclictest41-21ksoftirqd/311:30:173
2935199187,3cyclictest41-21ksoftirqd/309:26:023
2935199187,2cyclictest41-21ksoftirqd/311:10:503
2935199187,2cyclictest41-21ksoftirqd/310:26:003
2935199186,2cyclictest41-21ksoftirqd/312:21:293
29351991814,1cyclictest41-21ksoftirqd/312:02:203
2935199181,1cyclictest9185-21sshd10:06:083
2935199181,1cyclictest41-21ksoftirqd/309:23:473
2935199180,1cyclictest41-21ksoftirqd/309:48:313
2935199180,1cyclictest0-21swapper/309:33:553
2934799187,2cyclictest33-21ksoftirqd/211:11:372
2934799187,2cyclictest33-21ksoftirqd/210:10:122
2934799186,3cyclictest33-21ksoftirqd/212:15:502
2934799186,3cyclictest33-21ksoftirqd/211:17:342
2934799186,2cyclictest33-21ksoftirqd/210:34:282
2934799181,4cyclictest0-21swapper/209:23:302
2934799181,2cyclictest33-21ksoftirqd/212:22:072
2934799181,2cyclictest33-21ksoftirqd/210:25:412
2934799180,1cyclictest0-21swapper/210:05:182
29338991817,1cyclictest9-21ksoftirqd/012:11:090
29338991817,1cyclictest9-21ksoftirqd/010:48:480
29338991816,1cyclictest9-21ksoftirqd/011:50:560
29338991816,1cyclictest9-21ksoftirqd/011:49:230
29338991814,3cyclictest9-21ksoftirqd/011:13:100
29338991814,3cyclictest9-21ksoftirqd/009:35:590
2933899180,17cyclictest9161-21kworker/0:510:50:510
91512170,0sleep10-21swapper/112:22:061
2936999170,11cyclictest721-21dbus-daemon09:37:007
2936999170,1cyclictest0-21swapper/710:50:097
2936099173,2cyclictest0-21swapper/512:33:585
2936099173,1cyclictest7193-21sshd12:11:045
2936099172,1cyclictest0-21swapper/510:43:145
2936099172,1cyclictest0-21swapper/510:15:425
2936099170,3cyclictest0-21swapper/511:26:405
2935199179,3cyclictest41-21ksoftirqd/311:39:083
29351991715,1cyclictest41-21ksoftirqd/311:06:373
29351991715,1cyclictest41-21ksoftirqd/310:15:513
2935199171,1cyclictest41-21ksoftirqd/312:33:323
2935199170,4cyclictest41-21ksoftirqd/311:02:063
2935199170,3cyclictest0-21swapper/310:22:253
2935199170,1cyclictest27841-21sshd10:57:563
2934799178,3cyclictest33-21ksoftirqd/211:30:352
2934799178,3cyclictest33-21ksoftirqd/210:17:402
29347991712,3cyclictest33-21ksoftirqd/212:05:452
2934799171,3cyclictest33-21ksoftirqd/209:08:352
2934799171,1cyclictest33-21ksoftirqd/212:33:422
2934799170,3cyclictest33-21ksoftirqd/210:40:242
2934799170,3cyclictest33-21ksoftirqd/209:36:462
2934799170,1cyclictest33-21ksoftirqd/211:31:452
167872170,0sleep616784-21systemd-cgroups09:28:396
146022170,0sleep00-21swapper/011:06:120
305312160,0sleep130533-21grepconf.sh10:16:241
29366991613,2cyclictest3589-21sshd10:56:336
2936099168,1cyclictest27825-21sshd09:32:525
2936099168,1cyclictest22450-21sshd11:13:585
2936099162,2cyclictest0-21swapper/512:18:165
2936099162,1cyclictest721-21dbus-daemon11:00:065
2936099162,1cyclictest18048-21sshd10:01:125
2936099162,1cyclictest11043-21bash10:13:325
2936099162,1cyclictest1-21systemd09:12:565
29360991610,1cyclictest17908-21sshd11:53:305
2936099160,3cyclictest0-21swapper/507:51:405
2935199166,4cyclictest41-21ksoftirqd/312:10:563
2935199166,3cyclictest41-21ksoftirqd/311:46:273
2935199160,5cyclictest25805-21sshd10:03:303
2935199160,4cyclictest0-21swapper/310:48:173
2934799166,3cyclictest33-21ksoftirqd/211:20:392
2934799166,1cyclictest33-21ksoftirqd/211:51:442
29347991614,1cyclictest311rcuc/209:45:372
2934799161,3cyclictest33-21ksoftirqd/209:29:422
29338991615,1cyclictest9-21ksoftirqd/012:25:480
29338991615,1cyclictest9-21ksoftirqd/009:27:160
29338991615,1cyclictest9-21ksoftirqd/009:08:010
29338991614,1cyclictest9-21ksoftirqd/011:59:060
29338991614,1cyclictest9-21ksoftirqd/011:59:060
29338991614,1cyclictest9-21ksoftirqd/011:45:170
29338991614,1cyclictest9-21ksoftirqd/011:33:320
29338991614,1cyclictest9-21ksoftirqd/011:29:390
29338991614,1cyclictest9-21ksoftirqd/011:18:540
29338991614,1cyclictest9-21ksoftirqd/010:15:370
29338991614,1cyclictest9-21ksoftirqd/010:14:120
29338991614,1cyclictest9-21ksoftirqd/010:01:280
29338991614,1cyclictest9-21ksoftirqd/009:22:150
29338991614,1cyclictest9-21ksoftirqd/009:14:240
2933899160,15cyclictest9270-21kworker/0:111:02:470
2936699151,8cyclictest0-21swapper/609:46:326
2936699150,1cyclictest0-21swapper/609:37:496
2936099154,2cyclictest859-21gdbus12:27:105
2936099152,1cyclictest22341-21sshd12:21:005
2936099151,1cyclictest857-21polkitd11:15:365
2936099150,3cyclictest0-21swapper/512:00:285
2936099150,3cyclictest0-21swapper/512:00:285
2936099150,1cyclictest27845-21systemd-cgroups09:36:265
2936099150,0cyclictest0-21swapper/511:08:165
2936099150,0cyclictest0-21swapper/507:59:505
29357991512,1cyclictest49-21ksoftirqd/409:26:274
2935199151,1cyclictest0-21swapper/309:07:073
29338991513,1cyclictest9-21ksoftirqd/012:16:150
29338991513,1cyclictest9-21ksoftirqd/012:05:560
29338991513,1cyclictest9-21ksoftirqd/011:38:160
29338991513,1cyclictest9-21ksoftirqd/011:22:140
29338991513,1cyclictest9-21ksoftirqd/010:32:390
29338991513,1cyclictest9-21ksoftirqd/010:26:590
29338991513,1cyclictest9-21ksoftirqd/010:05:530
29338991513,1cyclictest9-21ksoftirqd/009:16:530
176872150,0sleep40-21swapper/411:00:564
2936999146,1cyclictest1-21systemd11:59:217
2936999146,1cyclictest1-21systemd11:59:217
2936999145,2cyclictest709-21systemd-logind12:08:117
2936999145,2cyclictest2513-21systemd11:10:587
2936999145,2cyclictest22789-21grep11:30:177
2936999144,3cyclictest31536-21sshd09:07:317
2936999144,2cyclictest857-21polkitd12:21:387
2936999144,2cyclictest857-21polkitd10:33:227
2936999144,2cyclictest721-21dbus-daemon10:27:057
2936999144,2cyclictest721-21dbus-daemon09:12:097
2936999140,9cyclictest0-21swapper/710:09:107
2936999140,14cyclictest28641-21kworker/7:410:01:167
2936999140,14cyclictest0-21swapper/709:43:567
2936999140,14cyclictest0-21swapper/709:43:567
29366991412,1cyclictest65-21ksoftirqd/611:09:566
2936099143,2cyclictest7093-21bash09:20:525
2936099143,2cyclictest19920-21bash10:21:145
2936099143,2cyclictest18300-21grepconf.sh10:48:245
2936099143,2cyclictest0-21swapper/509:54:085
2936099143,2cyclictest0-21swapper/509:47:565
2936099143,2cyclictest0-21swapper/509:05:485
2936099143,1cyclictest464-21systemd-journal11:42:005
2936099143,0cyclictest0-21swapper/510:53:505
2936099143,0cyclictest0-21swapper/509:41:105
2936099143,0cyclictest0-21swapper/509:41:105
29360991410,3cyclictest32270-21bash10:25:385
2936099141,1cyclictest31575-21systemd11:01:445
2936099140,2cyclictest0-21swapper/508:04:245
29357991412,1cyclictest49-21ksoftirqd/412:31:084
29357991412,1cyclictest49-21ksoftirqd/412:03:134
29357991412,1cyclictest49-21ksoftirqd/411:52:084
29357991412,1cyclictest49-21ksoftirqd/410:10:034
2935799140,13cyclictest30622-21kworker/4:511:45:544
2934099140,1cyclictest0-21swapper/111:19:531
232992140,0sleep60-21swapper/611:44:476
230302140,0sleep70-21swapper/711:35:437
127932140,0sleep10-21swapper/110:26:171
41172130,0sleep40-21swapper/410:22:114
2936999138,0cyclictest0-21swapper/711:19:477
2936999135,2cyclictest5121-21sshd09:17:097
2936999135,2cyclictest3397-21ystemctl09:29:447
2936999135,2cyclictest12545-21grepconf.sh10:22:417
2936999134,2cyclictest9314-21grep09:33:397
2936999134,2cyclictest6209-21grepconf.sh12:01:587
2936999134,2cyclictest30586-21id10:56:147
2936999134,2cyclictest29695-21grep10:52:377
2936999134,2cyclictest25262-21grep12:19:277
2936999134,2cyclictest24303-21grep09:50:487
2936999134,2cyclictest22019-21grep10:35:557
2936999134,2cyclictest15982-21grepconf.sh09:50:217
2936999134,2cyclictest15325-21sshd11:08:077
2936999134,2cyclictest11324-21grepconf.sh11:04:187
2936999133,4cyclictest721-21dbus-daemon11:48:017
2936999130,12cyclictest15430-21bash10:19:157
2936699132,5cyclictest29022-21systemd10:49:016
2936699132,5cyclictest2551-21sshd10:22:066
2936699132,5cyclictest0-21swapper/611:23:086
2936099132,2cyclictest721-21dbus-daemon11:30:445
2936099132,2cyclictest0-21swapper/511:36:105
2936099132,0cyclictest0-21swapper/508:50:485
2936099132,0cyclictest0-21swapper/507:11:325
2936099130,4cyclictest0-21swapper/510:06:245
2936099130,4cyclictest0-21swapper/508:13:425
2936099130,1cyclictest0-21swapper/507:28:385
29357991312,1cyclictest49-21ksoftirqd/411:43:254
29357991312,1cyclictest49-21ksoftirqd/411:17:204
29357991312,1cyclictest49-21ksoftirqd/410:31:234
29357991312,1cyclictest49-21ksoftirqd/409:15:354
29357991311,1cyclictest49-21ksoftirqd/410:47:084
29357991311,1cyclictest49-21ksoftirqd/410:01:284
86182120,0sleep10-21swapper/110:06:061
315512120,0sleep10-21swapper/110:03:501
2936999124,2cyclictest721-21dbus-daemon11:31:087
2936999124,2cyclictest30142-21grepconf.sh12:10:387
2936999124,2cyclictest20650-21bash12:28:157
2936999124,2cyclictest19881-21sshd11:53:377
2936999124,1cyclictest15124-21grepconf.sh10:13:467
2936699123,2cyclictest4807-21grep12:32:476
2936699122,4cyclictest8590-21bash09:20:556
2936699122,4cyclictest6462-21grepconf.sh11:32:576
2936699122,4cyclictest548-21grep12:05:236
2936699122,4cyclictest4211-21sshd10:09:356
2936699122,4cyclictest27976-21systemd-cgroups11:54:056
2936699122,4cyclictest24889-21grepconf.sh12:12:056
2936699122,4cyclictest24605-21systemd09:12:526
2936699122,4cyclictest23332-21sshd10:54:066
29366991210,1cyclictest709-21systemd-logind12:21:276
2936699121,5cyclictest20234-21sshd11:37:176
2936699121,5cyclictest16720-21bash09:43:066
2936699121,5cyclictest16720-21bash09:43:066
2936099121,2cyclictest0-21swapper/507:35:505
2936099120,3cyclictest0-21swapper/509:04:565
2936099120,3cyclictest0-21swapper/508:40:485
2936099120,3cyclictest0-21swapper/508:33:165
2936099120,3cyclictest0-21swapper/508:20:525
2936099120,3cyclictest0-21swapper/508:06:565
2936099120,3cyclictest0-21swapper/507:41:345
2936099120,3cyclictest0-21swapper/507:32:165
2936099120,3cyclictest0-21swapper/507:32:165
2936099120,3cyclictest0-21swapper/507:24:185
2936099120,3cyclictest0-21swapper/507:15:545
2936099120,3cyclictest0-21swapper/507:05:525
2936099120,0cyclictest0-21swapper/508:58:465
2936099120,0cyclictest0-21swapper/508:45:465
2936099120,0cyclictest0-21swapper/508:45:465
2936099120,0cyclictest0-21swapper/508:26:005
2936099120,0cyclictest0-21swapper/508:17:205
2936099120,0cyclictest0-21swapper/507:45:485
2936099120,0cyclictest0-21swapper/507:45:485
2935799129,2cyclictest49-21ksoftirqd/409:21:284
29357991211,1cyclictest49-21ksoftirqd/412:24:484
29357991211,1cyclictest49-21ksoftirqd/411:06:084
29357991210,1cyclictest49-21ksoftirqd/411:28:144
29357991210,1cyclictest49-21ksoftirqd/411:21:054
29357991210,1cyclictest49-21ksoftirqd/411:11:264
29357991210,1cyclictest49-21ksoftirqd/410:41:194
29357991210,1cyclictest49-21ksoftirqd/410:12:044
29357991210,1cyclictest49-21ksoftirqd/409:05:354
2935799120,2cyclictest18152-21systemd11:31:454
2935799120,2cyclictest1550-21ntp_states07:10:534
2935799120,11cyclictest30698-21bash10:40:054
2935799120,1cyclictest0-21swapper/410:53:074
2934099122,4cyclictest27991-21sshd10:10:501
2934099122,4cyclictest12020-21sshd11:45:531
2934099122,4cyclictest0-21swapper/112:28:071
2934099122,4cyclictest0-21swapper/111:53:041
2934099122,4cyclictest0-21swapper/109:50:581
29340991210,1cyclictest25-21ksoftirqd/109:10:561
2934099121,5cyclictest16920-21sshd12:31:371
2934099121,5cyclictest13229-21grep10:24:341
249022120,0sleep10-21swapper/110:50:361
224922121,1sleep449-21ksoftirqd/409:41:354
224922121,1sleep449-21ksoftirqd/409:41:354
181412120,0sleep418144-21cpuspeed_turbos10:15:464
2936999115,1cyclictest73-21ksoftirqd/708:02:147
2936699112,4cyclictest7098-21sshd09:53:276
2936699111,4cyclictest8037-21bash09:10:126
2936699111,4cyclictest32225-21sshd10:02:016
2936699111,4cyclictest14710-21sshd10:11:546
2936699111,4cyclictest10569-21sshd10:31:396
2936699110,5cyclictest28937-21systemd10:18:106
2936699110,5cyclictest15914-21systemd11:11:446
2936699110,5cyclictest1-21systemd11:26:086
2936699110,4cyclictest16237-21systemd-cgroups12:26:076
2936699110,11cyclictest8477-21kworker/6:412:05:416
2936699110,11cyclictest10488-21kworker/6:009:17:356
2935799119,1cyclictest49-21ksoftirqd/411:39:344
2935799119,1cyclictest49-21ksoftirqd/409:15:464
2935799118,3cyclictest49-21ksoftirqd/410:29:084
29357991110,1cyclictest49-21ksoftirqd/409:49:054
2935799110,10cyclictest29893-21kworker/4:009:54:584
2935199114,1cyclictest41-21ksoftirqd/308:51:053
2935199114,1cyclictest41-21ksoftirqd/308:41:413
2935199114,1cyclictest41-21ksoftirqd/308:29:443
2935199114,1cyclictest41-21ksoftirqd/308:02:513
2935199114,1cyclictest41-21ksoftirqd/307:47:023
2935199114,1cyclictest41-21ksoftirqd/307:47:023
2935199114,1cyclictest41-21ksoftirqd/307:38:083
2935199114,1cyclictest41-21ksoftirqd/307:06:093
2935199110,8cyclictest121rcu_preempt07:59:433
2935199110,1cyclictest41-21ksoftirqd/308:10:503
2934799116,3cyclictest33-21ksoftirqd/209:05:352
2934799114,1cyclictest33-21ksoftirqd/208:52:422
2934799114,1cyclictest33-21ksoftirqd/208:45:552
2934799114,1cyclictest33-21ksoftirqd/208:45:552
2934799114,1cyclictest33-21ksoftirqd/208:20:412
2934799114,1cyclictest33-21ksoftirqd/208:15:372
2934799114,1cyclictest33-21ksoftirqd/207:45:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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