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2026-09-20 - 20:03
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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 Sun Sep 20, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234112950,0sleep1231rcuc/111:00:441
123972940,0sleep70-21swapper/711:42:077
280932840,1sleep0670-21rs:main0
146062820,0sleep10-21swapper/111:17:261
119352560,0sleep60-21swapper/610:54:246
3532540,1sleep7352-21grepconf.sh11:16:367
1875925026,8sleep00-21swapper/006:59:550
228102490,0sleep00-21swapper/012:32:300
29272480,0sleep30-21swapper/311:20:323
1899124825,8sleep60-21swapper/607:02:336
1887824825,8sleep70-21swapper/707:01:387
141332470,0sleep60-21swapper/609:19:416
268072460,1sleep526809-21systemd-cgroups10:43:585
120602460,0sleep00-21swapper/009:45:540
87102450,0sleep70-21swapper/709:17:347
7662450,0sleep60-21swapper/611:35:336
257102450,0sleep40-21swapper/412:11:434
257102450,0sleep40-21swapper/412:11:434
162042450,0sleep20-21swapper/211:28:562
84332440,0sleep31-21systemd11:11:273
240332440,1sleep665-21ksoftirqd/611:14:186
146862440,0sleep40-21swapper/411:34:274
207282430,0sleep20-21swapper/210:24:252
207282430,0sleep20-21swapper/210:24:252
167342430,1sleep316729-21systemd09:23:393
106062430,1sleep610601-21bash12:10:416
106062430,1sleep610601-21bash12:10:416
172362420,0sleep00-21swapper/010:30:070
90282410,0sleep10-21swapper/111:59:071
232032410,0sleep40-21swapper/412:05:264
229832410,0sleep30-21swapper/309:31:323
108262410,0sleep3758-21runrttasks10:59:583
236832400,0sleep50-21swapper/510:57:035
216592400,0sleep10-21swapper/112:01:391
1902224027,9sleep50-21swapper/507:02:565
1884824027,9sleep40-21swapper/407:01:114
139162400,0sleep60-21swapper/609:36:396
51062390,0sleep30-21swapper/311:58:533
31352390,0sleep00-21swapper/012:00:340
1885423928,8sleep10-21swapper/107:01:161
1661723928,8sleep30-21swapper/306:59:343
282712380,0sleep50-21swapper/512:11:525
282712380,0sleep50-21swapper/512:11:525
1660723827,8sleep20-21swapper/206:59:252
176952370,0sleep00-21swapper/011:25:100
83152290,0sleep60-21swapper/610:14:196
29712240,1sleep32970-21grepconf.sh11:51:003
1928399248,2cyclictest9-21ksoftirqd/012:28:320
1928399232,12cyclictest9-21ksoftirqd/011:04:090
19283992319,4cyclictest9-21ksoftirqd/011:55:370
275752220,1sleep427097-21sshd10:28:434
275752220,1sleep427097-21sshd10:28:434
19283992217,4cyclictest9-21ksoftirqd/011:47:490
19283992111,2cyclictest9-21ksoftirqd/011:15:240
1931799204,1cyclictest49-21ksoftirqd/411:53:314
19317992015,3cyclictest49-21ksoftirqd/410:04:154
1928399207,3cyclictest9-21ksoftirqd/010:42:210
19283992015,1cyclictest9-21ksoftirqd/010:10:080
1932499195,3cyclictest0-21swapper/511:28:135
19324991916,2cyclictest57-21ksoftirqd/511:34:405
19324991914,4cyclictest26704-21sshd10:00:135
1931799199,1cyclictest49-21ksoftirqd/409:30:124
1931799198,3cyclictest49-21ksoftirqd/411:25:224
1931799197,2cyclictest49-21ksoftirqd/411:16:394
1931799195,3cyclictest49-21ksoftirqd/411:32:544
1931799194,1cyclictest49-21ksoftirqd/410:47:164
1930999190,3cyclictest131rcu_sched11:17:493
1928399193,1cyclictest9-21ksoftirqd/009:18:130
19283991915,3cyclictest9-21ksoftirqd/011:19:410
19283991915,3cyclictest9-21ksoftirqd/010:19:310
133002190,2sleep41931799cyclictest10:43:094
270942180,1sleep3464-21systemd-journal10:24:423
270942180,1sleep3464-21systemd-journal10:24:423
19334991813,3cyclictest73-21ksoftirqd/711:06:147
19334991813,2cyclictest73-21ksoftirqd/712:01:497
19324991814,3cyclictest57-21ksoftirqd/511:09:385
19324991814,3cyclictest57-21ksoftirqd/509:36:385
1931799188,1cyclictest49-21ksoftirqd/410:09:374
1931799186,2cyclictest49-21ksoftirqd/412:14:574
1931799186,2cyclictest49-21ksoftirqd/412:14:574
1931799183,3cyclictest49-21ksoftirqd/409:13:364
19317991816,1cyclictest49-21ksoftirqd/409:19:134
19317991815,3cyclictest49-21ksoftirqd/409:56:024
19317991815,2cyclictest49-21ksoftirqd/409:22:534
19317991814,1cyclictest49-21ksoftirqd/410:57:264
19317991814,1cyclictest49-21ksoftirqd/410:19:294
19317991812,2cyclictest49-21ksoftirqd/411:19:554
1931799180,17cyclictest18970-21kworker/4:110:30:584
19309991816,1cyclictest41-21ksoftirqd/309:24:263
19309991815,1cyclictest41-21ksoftirqd/309:45:463
19309991812,1cyclictest41-21ksoftirqd/310:08:143
1928399185,3cyclictest9-21ksoftirqd/011:42:450
1928399184,3cyclictest9-21ksoftirqd/011:12:280
1928399184,3cyclictest9-21ksoftirqd/011:06:420
19283991816,1cyclictest9-21ksoftirqd/010:00:450
19283991816,1cyclictest9-21ksoftirqd/009:51:080
19283991816,1cyclictest9-21ksoftirqd/009:29:240
19283991815,2cyclictest9-21ksoftirqd/012:11:280
19283991815,2cyclictest9-21ksoftirqd/012:11:280
19283991815,2cyclictest464-21systemd-journal09:25:190
19283991815,1cyclictest121rcu_preempt09:35:160
19283991814,1cyclictest9-21ksoftirqd/010:54:270
19283991814,1cyclictest9-21ksoftirqd/009:12:180
19283991813,1cyclictest9-21ksoftirqd/010:25:200
19283991813,1cyclictest9-21ksoftirqd/010:25:200
279112170,1sleep127913-21bash09:33:461
19334991715,1cyclictest73-21ksoftirqd/712:33:427
19334991715,1cyclictest73-21ksoftirqd/711:50:227
19334991715,1cyclictest73-21ksoftirqd/710:26:557
19334991715,1cyclictest73-21ksoftirqd/710:26:557
19334991715,1cyclictest73-21ksoftirqd/710:05:227
19334991715,1cyclictest73-21ksoftirqd/709:22:417
19334991715,1cyclictest73-21ksoftirqd/709:09:257
19334991714,1cyclictest73-21ksoftirqd/712:20:377
1932499176,5cyclictest0-21swapper/509:43:175
1932499176,5cyclictest0-21swapper/509:43:175
1932499176,0cyclictest11814-21sshd10:52:295
1932499175,12cyclictest16373-21kworker/5:211:19:415
19324991715,1cyclictest57-21ksoftirqd/510:45:355
19324991715,1cyclictest57-21ksoftirqd/509:44:285
19324991713,3cyclictest57-21ksoftirqd/510:39:195
19324991711,5cyclictest57-21ksoftirqd/510:33:315
1932499170,10cyclictest0-21swapper/509:29:175
1932499170,1cyclictest131rcu_sched10:12:175
1931799177,2cyclictest49-21ksoftirqd/412:31:384
1931799176,3cyclictest49-21ksoftirqd/411:54:554
1931799174,1cyclictest49-21ksoftirqd/411:00:424
19317991716,1cyclictest49-21ksoftirqd/412:19:434
19317991715,1cyclictest49-21ksoftirqd/411:39:424
19317991715,1cyclictest49-21ksoftirqd/411:09:404
19317991715,1cyclictest49-21ksoftirqd/410:04:404
19317991715,1cyclictest49-21ksoftirqd/409:35:094
19317991711,3cyclictest49-21ksoftirqd/412:04:034
19317991711,3cyclictest49-21ksoftirqd/409:24:334
1931799170,1cyclictest25832-21sshd09:50:334
19309991716,1cyclictest41-21ksoftirqd/311:30:203
19309991716,1cyclictest41-21ksoftirqd/310:41:143
19309991715,1cyclictest41-21ksoftirqd/311:39:433
19309991715,1cyclictest41-21ksoftirqd/311:24:393
19309991715,1cyclictest41-21ksoftirqd/309:54:393
19309991714,1cyclictest41-21ksoftirqd/310:48:113
19309991713,3cyclictest41-21ksoftirqd/312:21:423
1928399179,2cyclictest9-21ksoftirqd/010:51:550
1928399176,1cyclictest9-21ksoftirqd/011:35:080
19283991716,1cyclictest9-21ksoftirqd/012:06:100
19283991715,1cyclictest9-21ksoftirqd/012:15:230
19283991715,1cyclictest9-21ksoftirqd/012:15:230
19283991715,1cyclictest9-21ksoftirqd/010:46:280
19283991715,1cyclictest9-21ksoftirqd/010:14:380
19283991715,1cyclictest9-21ksoftirqd/009:21:180
19283991712,2cyclictest9-21ksoftirqd/011:33:450
19283991712,2cyclictest9-21ksoftirqd/010:05:010
19283991711,3cyclictest9-21ksoftirqd/012:19:320
19283991710,4cyclictest9-21ksoftirqd/011:49:490
112402170,0sleep30-21swapper/312:29:523
59052160,2sleep11929599cyclictest09:09:431
222872160,2sleep71933499cyclictest12:28:447
19334991614,1cyclictest73-21ksoftirqd/711:32:357
19334991614,1cyclictest73-21ksoftirqd/711:22:287
19334991614,1cyclictest73-21ksoftirqd/710:49:357
19334991614,1cyclictest73-21ksoftirqd/710:18:057
19334991614,1cyclictest73-21ksoftirqd/709:55:267
19334991614,1cyclictest73-21ksoftirqd/709:47:067
19334991614,1cyclictest73-21ksoftirqd/709:31:307
19334991614,1cyclictest3209-21sshd10:38:467
19334991613,3cyclictest73-21ksoftirqd/712:05:147
19334991613,1cyclictest73-21ksoftirqd/712:14:217
19334991613,1cyclictest73-21ksoftirqd/712:14:217
19334991613,1cyclictest73-21ksoftirqd/710:47:467
1933499160,15cyclictest5582-21kworker/7:010:03:327
1932499165,0cyclictest0-21swapper/508:52:015
1932499165,0cyclictest0-21swapper/508:18:515
19324991614,2cyclictest57-21ksoftirqd/510:21:555
19324991614,1cyclictest57-21ksoftirqd/511:45:185
19324991614,1cyclictest57-21ksoftirqd/511:33:025
19324991612,3cyclictest57-21ksoftirqd/512:18:175
19324991612,3cyclictest57-21ksoftirqd/512:18:175
19324991612,1cyclictest57-21ksoftirqd/510:05:345
19324991612,1cyclictest57-21ksoftirqd/509:16:265
19324991611,4cyclictest11218-21kworker/5:212:20:135
1932499160,2cyclictest131rcu_sched11:54:405
1931799165,1cyclictest49-21ksoftirqd/409:08:184
1931799164,2cyclictest49-21ksoftirqd/410:35:144
19317991615,1cyclictest49-21ksoftirqd/411:46:124
19317991615,1cyclictest49-21ksoftirqd/410:51:164
19317991614,1cyclictest49-21ksoftirqd/412:26:364
19317991614,1cyclictest49-21ksoftirqd/409:41:234
19317991614,1cyclictest49-21ksoftirqd/409:41:234
19317991611,1cyclictest49-21ksoftirqd/411:06:484
1931799160,16cyclictest19744-21kworker/4:210:16:574
19309991615,1cyclictest41-21ksoftirqd/312:28:383
19309991615,1cyclictest41-21ksoftirqd/309:17:303
19309991614,1cyclictest464-21systemd-journal10:32:553
19309991614,1cyclictest41-21ksoftirqd/312:00:233
19309991614,1cyclictest41-21ksoftirqd/310:36:243
19309991614,1cyclictest41-21ksoftirqd/310:14:353
19309991614,1cyclictest41-21ksoftirqd/309:59:533
19309991612,3cyclictest41-21ksoftirqd/311:48:203
1930999161,2cyclictest131rcu_sched12:10:353
1930999161,2cyclictest131rcu_sched12:10:353
1930999160,1cyclictest121rcu_preempt09:39:173
1930999160,1cyclictest0-21swapper/309:05:203
1928399166,0cyclictest9-21ksoftirqd/007:20:530
19283991615,1cyclictest9-21ksoftirqd/009:09:070
19283991614,1cyclictest9-21ksoftirqd/009:54:370
19283991612,2cyclictest9-21ksoftirqd/009:42:570
19283991612,2cyclictest9-21ksoftirqd/009:42:570
19334991514,1cyclictest73-21ksoftirqd/711:54:277
19334991514,1cyclictest73-21ksoftirqd/711:34:277
19334991514,1cyclictest73-21ksoftirqd/711:26:157
19334991514,1cyclictest73-21ksoftirqd/710:20:547
19334991513,1cyclictest73-21ksoftirqd/711:44:487
19334991513,1cyclictest73-21ksoftirqd/711:01:207
19334991513,1cyclictest73-21ksoftirqd/710:55:197
19334991513,1cyclictest73-21ksoftirqd/710:39:567
19334991513,1cyclictest73-21ksoftirqd/710:32:137
19334991513,1cyclictest73-21ksoftirqd/710:09:447
19334991513,1cyclictest73-21ksoftirqd/709:50:507
19334991513,1cyclictest73-21ksoftirqd/709:40:577
19334991513,1cyclictest73-21ksoftirqd/709:40:577
19334991513,1cyclictest73-21ksoftirqd/709:37:257
19334991513,1cyclictest73-21ksoftirqd/709:25:087
19334991513,1cyclictest73-21ksoftirqd/709:04:287
19334991512,1cyclictest73-21ksoftirqd/712:15:567
19334991512,1cyclictest73-21ksoftirqd/712:15:567
1932499159,2cyclictest2694-21sshd09:53:075
1932499154,6cyclictest26658-21kworker/5:309:30:175
1932499154,5cyclictest0-21swapper/507:41:175
1932499154,10cyclictest57-21ksoftirqd/510:15:575
19324991514,1cyclictest57-21ksoftirqd/512:04:415
19324991514,1cyclictest57-21ksoftirqd/511:18:215
19324991513,1cyclictest57-21ksoftirqd/511:07:175
19324991513,1cyclictest57-21ksoftirqd/509:57:155
19324991511,3cyclictest57-21ksoftirqd/512:31:545
19324991511,1cyclictest57-21ksoftirqd/511:43:045
1932499151,5cyclictest0-21swapper/511:52:255
1932499150,9cyclictest0-21swapper/509:01:155
1932499150,9cyclictest0-21swapper/508:48:255
19317991513,1cyclictest49-21ksoftirqd/409:48:054
19309991514,1cyclictest41-21ksoftirqd/310:19:333
19309991514,1cyclictest41-21ksoftirqd/309:50:303
19309991514,1cyclictest41-21ksoftirqd/309:42:343
19309991514,1cyclictest41-21ksoftirqd/309:42:343
19309991513,1cyclictest41-21ksoftirqd/312:14:353
19309991513,1cyclictest41-21ksoftirqd/312:14:353
19309991513,1cyclictest41-21ksoftirqd/312:04:403
19309991513,1cyclictest41-21ksoftirqd/311:36:333
19309991513,1cyclictest41-21ksoftirqd/310:55:153
19309991513,1cyclictest41-21ksoftirqd/310:53:193
19309991513,1cyclictest41-21ksoftirqd/309:10:223
1930999150,1cyclictest857-21polkitd10:09:523
1930299159,5cyclictest33-21ksoftirqd/211:22:152
19302991513,1cyclictest33-21ksoftirqd/212:13:172
19302991513,1cyclictest33-21ksoftirqd/212:13:172
142152150,0sleep6631rcuc/611:04:096
19334991413,1cyclictest73-21ksoftirqd/711:10:137
19332991412,1cyclictest65-21ksoftirqd/610:16:526
1932499146,4cyclictest0-21swapper/512:02:455
1932499143,5cyclictest0-21swapper/508:02:035
19324991413,1cyclictest57-21ksoftirqd/511:03:055
19324991413,1cyclictest57-21ksoftirqd/510:26:335
19324991413,1cyclictest57-21ksoftirqd/510:26:335
19324991413,1cyclictest57-21ksoftirqd/509:23:075
19324991413,1cyclictest57-21ksoftirqd/509:08:205
19324991412,1cyclictest57-21ksoftirqd/509:10:515
1932499140,9cyclictest16411-21sshd12:26:255
1932499140,8cyclictest0-21swapper/508:21:335
1932499140,14cyclictest0-21swapper/508:13:135
19309991412,1cyclictest41-21ksoftirqd/311:07:063
1930299149,1cyclictest33-21ksoftirqd/210:06:482
1930299143,4cyclictest721-21dbus-daemon10:15:182
19302991413,1cyclictest33-21ksoftirqd/209:45:452
19302991412,1cyclictest33-21ksoftirqd/210:20:412
19302991412,1cyclictest33-21ksoftirqd/209:41:062
19302991412,1cyclictest33-21ksoftirqd/209:41:062
19302991412,1cyclictest33-21ksoftirqd/209:16:292
19302991410,3cyclictest33-21ksoftirqd/211:35:252
19302991410,3cyclictest33-21ksoftirqd/210:44:392
121572140,2sleep1241ktimersoftd/109:42:111
121572140,2sleep1241ktimersoftd/109:42:111
53822130,0sleep60-21swapper/609:47:286
284522130,0sleep2311rcuc/209:29:542
1933299138,3cyclictest65-21ksoftirqd/611:46:176
1933299133,4cyclictest1176-21sshd10:53:486
1933299132,4cyclictest0-21swapper/609:56:396
1932499138,5cyclictest0-21swapper/507:57:295
1932499138,0cyclictest0-21swapper/507:50:495
1932499138,0cyclictest0-21swapper/507:50:495
1932499138,0cyclictest0-21swapper/507:19:375
1932499133,5cyclictest0-21swapper/508:07:575
1932499132,5cyclictest0-21swapper/507:18:435
1932499130,8cyclictest0-21swapper/508:40:255
19302991312,1cyclictest33-21ksoftirqd/210:43:442
19302991311,1cyclictest33-21ksoftirqd/211:15:322
19302991311,1cyclictest33-21ksoftirqd/209:26:382
19302991310,2cyclictest33-21ksoftirqd/211:12:072
19302991310,2cyclictest33-21ksoftirqd/211:02:372
1928399139,4cyclictest9-21ksoftirqd/007:29:050
186862130,1sleep618685-21grepconf.sh09:16:136
115432130,0sleep60-21swapper/612:16:346
115432130,0sleep60-21swapper/612:16:346
1933299129,2cyclictest31046-21sshd10:06:146
1933299128,4cyclictest65-21ksoftirqd/610:41:066
1933299122,4cyclictest9228-21sshd10:25:316
1933299122,4cyclictest9228-21sshd10:25:316
1933299122,4cyclictest31161-21latency11:54:376
1933299122,4cyclictest28762-21sshd09:52:426
1933299122,4cyclictest12997-21sshd10:48:476
19332991210,1cyclictest65-21ksoftirqd/611:51:356
1933299121,5cyclictest7751-21sshd09:30:356
1933299120,11cyclictest9705-21id11:26:366
1933299120,11cyclictest28051-21bash11:22:026
1933299120,11cyclictest12749-21systemd-cgroups12:01:086
1932499127,5cyclictest0-21swapper/508:34:355
1932499127,5cyclictest0-21swapper/508:31:015
1932499127,0cyclictest0-21swapper/508:24:515
1932499121,5cyclictest0-21swapper/507:48:335
1932499121,0cyclictest0-21swapper/508:57:075
1932499120,6cyclictest0-21swapper/507:28:015
1932499120,6cyclictest0-21swapper/507:07:495
1932499120,0cyclictest0-21swapper/507:30:495
1930299129,2cyclictest33-21ksoftirqd/209:34:422
1930299128,3cyclictest33-21ksoftirqd/210:13:292
19302991211,1cyclictest33-21ksoftirqd/210:51:002
19302991210,2cyclictest33-21ksoftirqd/212:19:432
19302991210,1cyclictest33-21ksoftirqd/212:27:372
19302991210,1cyclictest33-21ksoftirqd/212:07:212
19302991210,1cyclictest33-21ksoftirqd/211:29:352
1930299120,2cyclictest14550-21id11:05:562
1929599124,7cyclictest1-21systemd09:04:581
1929599122,4cyclictest6521-21bash11:47:291
1929599122,4cyclictest1652-21bash10:55:421
1929599122,4cyclictest0-21swapper/110:20:561
19295991210,1cyclictest25-21ksoftirqd/111:09:451
19295991210,1cyclictest0-21swapper/112:07:031
1929599121,5cyclictest23834-21bash10:43:461
1929599120,11cyclictest26122-21kworker/1:110:17:371
1928399129,0cyclictest9-21ksoftirqd/008:15:310
1928399129,0cyclictest9-21ksoftirqd/007:18:250
1928399128,4cyclictest9-21ksoftirqd/007:04:410
19283991210,1cyclictest9-21ksoftirqd/008:29:400
19283991210,1cyclictest9-21ksoftirqd/007:54:220
19283991210,1cyclictest9-21ksoftirqd/007:54:220
184552120,0sleep10-21swapper/109:23:451
111052120,1sleep111106-21sshd11:24:471
83732110,1sleep18374-21kworker/u16:009:15:361
218572110,0sleep20-21swapper/211:50:112
1933299111,4cyclictest3721-21kill11:16:476
1933299111,4cyclictest11889-21kworker/u16:011:44:026
1933299111,4cyclictest0-21swapper/610:30:456
1933299110,11cyclictest13874-21kworker/6:211:08:416
1933299110,10cyclictest9128-21kworker/6:209:27:186
1932499110,6cyclictest0-21swapper/507:35:235
1932499110,0cyclictest0-21swapper/507:09:555
1932499110,0cyclictest0-21swapper/507:09:555
1931799119,1cyclictest49-21ksoftirqd/408:44:224
19317991110,1cyclictest49-21ksoftirqd/407:29:224
1930999119,1cyclictest41-21ksoftirqd/307:04:343
1930299119,1cyclictest33-21ksoftirqd/212:03:132
1930299119,1cyclictest33-21ksoftirqd/211:56:202
1930299119,1cyclictest33-21ksoftirqd/210:56:082
1930299119,1cyclictest33-21ksoftirqd/210:32:272
1930299117,3cyclictest33-21ksoftirqd/211:47:282
1930299117,3cyclictest33-21ksoftirqd/211:41:442
1930299117,2cyclictest33-21ksoftirqd/212:15:492
1930299117,2cyclictest33-21ksoftirqd/212:15:492
1930299114,5cyclictest6908-21grep10:35:092
1930299112,7cyclictest9585-21systemd10:01:072
1930299112,6cyclictest0-21swapper/209:52:152
1930299112,3cyclictest721-21dbus-daemon12:29:292
1930299111,3cyclictest1734-21sshd09:58:492
1929599119,1cyclictest25-21ksoftirqd/109:59:391
1929599119,1cyclictest25-21ksoftirqd/109:48:141
1929599119,1cyclictest25-21ksoftirqd/109:38:291
1929599115,3cyclictest721-21dbus-daemon10:26:371
1929599115,3cyclictest721-21dbus-daemon10:26:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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