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2026-08-26 - 06:58
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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 Wed Aug 26, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26532750,0sleep20-21swapper/223:33:292
53432740,0sleep10-21swapper/123:00:441
166762680,0sleep20-21swapper/223:57:482
315712580,1sleep557-21ksoftirqd/521:20:455
141442560,0sleep10-21swapper/123:34:081
287252500,0sleep10-21swapper/100:02:031
218212500,1sleep721776-21sshd23:45:277
99792490,0sleep6631rcuc/623:46:316
46852490,0sleep40-21swapper/423:13:374
195872490,0sleep40-21swapper/423:18:014
1902324925,8sleep00-21swapper/019:03:320
319252480,2sleep51930599cyclictest22:04:185
250662480,1sleep341-21ksoftirqd/300:30:573
16172480,0sleep00-21swapper/021:31:450
80982470,1sleep58083-21sshd23:17:225
254942470,1sleep41-21systemd21:40:224
254942470,1sleep41-21systemd21:40:224
62532460,0sleep46230-21sshd00:28:094
286172450,0sleep7711rcuc/723:40:237
143862450,0sleep00-21swapper/000:05:070
106342450,1sleep510632-21bash00:24:505
89182440,1sleep665-21ksoftirqd/622:35:346
248212440,1sleep41-21systemd22:21:554
1909524432,8sleep50-21swapper/519:04:335
190382430,0sleep20-21swapper/222:56:052
58812420,0sleep613764-21kworker/6:121:50:096
58812420,0sleep613764-21kworker/6:121:50:096
1888724230,8sleep70-21swapper/719:01:387
137892420,0sleep00-21swapper/021:59:400
82792410,0sleep50-21swapper/521:48:245
82792410,0sleep50-21swapper/521:48:245
66802410,0sleep10-21swapper/123:50:021
60412410,0sleep71931399cyclictest22:26:227
1907324129,9sleep30-21swapper/319:04:153
1905424130,8sleep40-21swapper/419:04:004
181822410,0sleep30-21swapper/322:10:403
136802410,0sleep10-21swapper/119:50:321
110542410,1sleep511053-21grepconf.sh23:02:565
105262410,0sleep30-21swapper/323:02:543
49112400,0sleep20-21swapper/222:28:092
242482400,0sleep00-21swapper/021:42:020
242482400,0sleep00-21swapper/021:42:020
4232390,1sleep0403-21sshd23:22:220
314262390,0sleep70-21swapper/723:51:207
245712390,1sleep125-21ksoftirqd/100:30:551
242832390,0sleep10-21swapper/123:40:091
1899323927,8sleep10-21swapper/119:03:091
1893823928,8sleep20-21swapper/219:02:212
1883723927,8sleep60-21swapper/619:00:576
13452380,0sleep20-21swapper/200:06:052
212302370,0sleep60-21swapper/600:14:346
85782320,0sleep10-21swapper/122:55:321
1930599244,2cyclictest57-21ksoftirqd/523:43:295
1930599237,1cyclictest57-21ksoftirqd/500:33:345
1929699230,8cyclictest25170-21bash21:36:403
1929699230,10cyclictest1440-21grepconf.sh00:18:523
19305992210,2cyclictest57-21ksoftirqd/523:25:375
19305992210,2cyclictest57-21ksoftirqd/523:25:375
165622220,0sleep30-21swapper/300:23:203
71722210,0sleep20-21swapper/221:10:242
1930599219,2cyclictest57-21ksoftirqd/521:34:085
1930599219,1cyclictest57-21ksoftirqd/523:53:515
1930599218,2cyclictest57-21ksoftirqd/523:48:325
1930599217,2cyclictest57-21ksoftirqd/523:20:445
19305992113,1cyclictest57-21ksoftirqd/522:05:195
1929699210,8cyclictest12099-21sshd22:57:333
1929699210,6cyclictest0-21swapper/322:28:133
1929699210,10cyclictest13256-21sshd22:37:373
1930599209,1cyclictest57-21ksoftirqd/500:25:595
1930599208,1cyclictest57-21ksoftirqd/523:11:185
1930599207,3cyclictest57-21ksoftirqd/522:15:155
1930599207,1cyclictest57-21ksoftirqd/522:44:095
1930599207,1cyclictest57-21ksoftirqd/522:17:325
1930599206,3cyclictest57-21ksoftirqd/521:10:545
1930599205,3cyclictest57-21ksoftirqd/521:16:015
1930599204,3cyclictest57-21ksoftirqd/500:00:055
19305992016,1cyclictest57-21ksoftirqd/523:06:305
19305992016,1cyclictest57-21ksoftirqd/500:17:045
19305992015,4cyclictest57-21ksoftirqd/522:37:385
1929699202,8cyclictest24280-21grepconf.sh00:25:333
1929699200,9cyclictest776-21bash23:20:343
1929699200,9cyclictest24625-21bash23:43:473
1929699200,9cyclictest15444-21bash23:30:313
1929699200,8cyclictest857-21polkitd21:57:263
1929699200,8cyclictest31476-21systemd-cgroups23:55:033
1929699200,8cyclictest23054-21sshd21:54:433
1929699200,7cyclictest464-21systemd-journal22:43:523
1929699200,7cyclictest32756-21bash21:46:063
1929699200,7cyclictest32756-21bash21:46:063
1929699200,2cyclictest1-21systemd22:32:183
19294992017,2cyclictest464-21systemd-journal23:51:122
287332190,0sleep20-21swapper/221:22:262
1930599197,2cyclictest57-21ksoftirqd/521:51:055
1930599196,2cyclictest57-21ksoftirqd/500:13:175
1930599192,3cyclictest57-21ksoftirqd/500:08:175
19305991913,2cyclictest57-21ksoftirqd/522:22:395
1929699190,9cyclictest3346-21grepconf.sh21:20:593
1929699190,8cyclictest31296-21sshd22:02:253
1929699190,8cyclictest2012-21bash21:19:113
1929699190,8cyclictest17166-21bash23:16:033
1929699190,8cyclictest1-21systemd23:27:413
1929699190,8cyclictest1-21systemd23:27:413
1929699190,7cyclictest8572-21sshd00:06:293
1929699190,7cyclictest756-21sshd00:10:213
1929699190,7cyclictest24036-21sshd21:31:113
1929699190,18cyclictest26515-21systemd23:05:373
206212180,0sleep00-21swapper/022:45:210
19313991812,3cyclictest73-21ksoftirqd/721:09:457
1930599186,4cyclictest57-21ksoftirqd/522:29:525
1930599186,1cyclictest57-21ksoftirqd/521:26:055
1930599184,3cyclictest57-21ksoftirqd/500:02:415
1930599183,14cyclictest57-21ksoftirqd/522:54:155
19305991816,1cyclictest57-21ksoftirqd/521:57:265
19305991813,3cyclictest57-21ksoftirqd/521:41:295
19305991813,3cyclictest57-21ksoftirqd/521:41:295
1929699180,9cyclictest17649-21sshd21:10:563
1929699180,8cyclictest26164-21sshd23:40:163
1929699180,8cyclictest12164-21bash21:06:333
1929699180,7cyclictest576-21grep23:45:593
1929699180,7cyclictest29767-21grepconf.sh23:11:133
1929699180,7cyclictest12882-21bash22:53:573
1929699180,7cyclictest1045-21bash22:16:573
1929699180,7cyclictest0-21swapper/323:56:323
1929699180,6cyclictest709-21systemd-logind21:26:503
1929699180,10cyclictest10784-21bash22:21:063
43322170,0sleep00-21swapper/023:17:090
220042170,0sleep20-21swapper/222:21:452
19313991715,1cyclictest73-21ksoftirqd/721:15:427
19305991715,1cyclictest57-21ksoftirqd/523:35:215
19305991715,1cyclictest57-21ksoftirqd/523:33:175
19305991715,1cyclictest57-21ksoftirqd/522:57:525
19305991715,1cyclictest57-21ksoftirqd/521:39:225
19305991715,1cyclictest57-21ksoftirqd/521:06:405
19300991712,3cyclictest49-21ksoftirqd/423:30:344
19300991711,3cyclictest49-21ksoftirqd/422:34:244
19300991710,4cyclictest49-21ksoftirqd/423:35:234
1930099170,16cyclictest6462-21kworker/4:223:10:114
1929699170,7cyclictest464-21systemd-journal21:41:413
1929699170,7cyclictest464-21systemd-journal21:41:413
1929699170,7cyclictest30258-21grep00:02:093
1929699170,6cyclictest3418-21bash22:47:583
1929699170,6cyclictest0-21swapper/322:05:223
1930599166,10cyclictest57-21ksoftirqd/522:31:335
1930599163,3cyclictest57-21ksoftirqd/522:46:405
19300991615,1cyclictest49-21ksoftirqd/422:59:374
19300991614,1cyclictest49-21ksoftirqd/423:22:304
19300991614,1cyclictest49-21ksoftirqd/421:34:134
19300991614,1cyclictest49-21ksoftirqd/400:12:494
19300991614,1cyclictest49-21ksoftirqd/400:07:354
19300991612,3cyclictest49-21ksoftirqd/421:21:134
19294991614,2cyclictest33-21ksoftirqd/223:13:142
179262160,0sleep60-21swapper/623:36:056
80422150,0sleep20-21swapper/222:08:232
253282150,2sleep21929499cyclictest22:38:192
208112150,2sleep01928199cyclictest23:58:020
19313991514,1cyclictest73-21ksoftirqd/723:27:557
19313991514,1cyclictest73-21ksoftirqd/723:27:557
19313991514,1cyclictest73-21ksoftirqd/723:20:387
19313991511,3cyclictest73-21ksoftirqd/721:56:357
1930899150,15cyclictest12565-21kworker/6:100:31:066
1930099159,3cyclictest49-21ksoftirqd/422:52:454
19300991513,1cyclictest49-21ksoftirqd/423:58:144
19300991513,1cyclictest49-21ksoftirqd/423:41:064
19300991513,1cyclictest49-21ksoftirqd/422:45:544
19300991511,1cyclictest49-21ksoftirqd/421:55:354
19300991510,4cyclictest49-21ksoftirqd/422:43:174
1930099150,14cyclictest6897-21kworker/4:100:30:304
1929499158,4cyclictest33-21ksoftirqd/222:03:012
19294991513,1cyclictest33-21ksoftirqd/221:45:222
19294991513,1cyclictest33-21ksoftirqd/221:45:222
19294991513,1cyclictest33-21ksoftirqd/221:42:522
19294991513,1cyclictest33-21ksoftirqd/221:42:522
19294991512,2cyclictest33-21ksoftirqd/221:52:222
19287991513,1cyclictest25-21ksoftirqd/100:06:421
19281991513,1cyclictest9-21ksoftirqd/023:08:370
19281991513,1cyclictest9-21ksoftirqd/000:25:590
19281991512,1cyclictest18583-21sshd23:47:000
303232140,0sleep10-21swapper/122:02:211
299832140,0sleep00-21swapper/021:17:030
254842140,0sleep00-21swapper/022:02:040
212712140,0sleep10-21swapper/122:48:591
19313991412,1cyclictest73-21ksoftirqd/723:07:417
19313991412,1cyclictest73-21ksoftirqd/722:17:147
19313991412,1cyclictest73-21ksoftirqd/700:21:417
19313991412,1cyclictest73-21ksoftirqd/700:14:197
19313991411,1cyclictest73-21ksoftirqd/722:00:237
1930599142,0cyclictest121rcu_preempt19:40:185
19300991413,1cyclictest49-21ksoftirqd/422:38:214
19300991413,1cyclictest49-21ksoftirqd/422:29:244
19300991413,1cyclictest49-21ksoftirqd/400:02:164
19300991412,1cyclictest49-21ksoftirqd/423:28:424
19300991412,1cyclictest49-21ksoftirqd/423:28:424
19300991412,1cyclictest49-21ksoftirqd/422:18:384
19300991412,1cyclictest49-21ksoftirqd/422:10:504
19300991412,1cyclictest49-21ksoftirqd/422:05:264
19300991412,1cyclictest49-21ksoftirqd/422:01:124
19300991412,1cyclictest49-21ksoftirqd/421:51:134
19300991412,1cyclictest49-21ksoftirqd/421:46:104
19300991412,1cyclictest49-21ksoftirqd/421:46:104
19300991412,1cyclictest49-21ksoftirqd/421:25:194
19300991412,1cyclictest49-21ksoftirqd/421:13:404
19300991412,1cyclictest49-21ksoftirqd/400:21:464
19300991412,1cyclictest49-21ksoftirqd/400:15:354
19300991411,2cyclictest49-21ksoftirqd/423:01:274
19300991410,4cyclictest49-21ksoftirqd/421:15:254
1930099140,13cyclictest14548-21kworker/4:023:51:434
19294991413,1cyclictest33-21ksoftirqd/222:40:212
19294991412,1cyclictest33-21ksoftirqd/200:10:422
19294991410,1cyclictest33-21ksoftirqd/221:27:132
1928199149,3cyclictest9-21ksoftirqd/023:53:430
1928199149,2cyclictest9-21ksoftirqd/023:03:350
19281991410,1cyclictest9-21ksoftirqd/021:27:410
3772130,0sleep70-21swapper/722:38:487
198852130,0sleep60-21swapper/620:55:396
19313991312,1cyclictest73-21ksoftirqd/721:11:527
19313991311,1cyclictest73-21ksoftirqd/723:39:457
19313991311,1cyclictest73-21ksoftirqd/723:32:447
19313991311,1cyclictest73-21ksoftirqd/723:00:337
19313991311,1cyclictest73-21ksoftirqd/722:57:337
19313991311,1cyclictest73-21ksoftirqd/722:43:097
19313991311,1cyclictest73-21ksoftirqd/722:21:467
19313991311,1cyclictest73-21ksoftirqd/721:52:417
19313991311,1cyclictest73-21ksoftirqd/721:40:387
19313991311,1cyclictest73-21ksoftirqd/721:40:387
19313991311,1cyclictest73-21ksoftirqd/700:26:257
1931399130,13cyclictest20149-21kworker/7:300:00:407
1930899132,5cyclictest4398-21bash00:08:106
1930899132,5cyclictest2629-21sshd23:22:296
1930899131,6cyclictest19974-21sshd21:11:046
1930899130,1cyclictest3313-21kworker/u16:021:35:316
19305991311,2cyclictest57-21ksoftirqd/519:53:505
19305991310,1cyclictest57-21ksoftirqd/519:24:225
1930099138,5cyclictest49-21ksoftirqd/423:50:164
19300991312,1cyclictest49-21ksoftirqd/421:09:164
19300991310,2cyclictest49-21ksoftirqd/421:37:504
1929499138,4cyclictest33-21ksoftirqd/223:44:042
19294991312,1cyclictest33-21ksoftirqd/200:27:492
19294991311,1cyclictest33-21ksoftirqd/223:03:532
19294991311,1cyclictest33-21ksoftirqd/222:54:092
19294991311,1cyclictest33-21ksoftirqd/222:31:012
19294991311,1cyclictest33-21ksoftirqd/222:15:322
19294991310,2cyclictest33-21ksoftirqd/221:15:402
1928799139,1cyclictest25-21ksoftirqd/122:25:121
1928799139,1cyclictest25-21ksoftirqd/122:08:141
19287991312,1cyclictest0-21swapper/123:14:071
1928199136,3cyclictest1-21systemd21:22:580
19281991312,1cyclictest9-21ksoftirqd/022:10:200
19281991312,1cyclictest9-21ksoftirqd/022:08:400
19281991311,1cyclictest9-21ksoftirqd/021:52:200
19281991310,2cyclictest9-21ksoftirqd/022:27:260
54022120,0sleep00-21swapper/022:20:470
43242120,0sleep10-21swapper/122:13:351
1931399129,2cyclictest73-21ksoftirqd/723:56:487
1931399129,1cyclictest73-21ksoftirqd/700:10:017
1931399128,4cyclictest73-21ksoftirqd/721:22:447
19313991211,1cyclictest73-21ksoftirqd/722:51:007
19313991210,1cyclictest73-21ksoftirqd/723:14:307
19313991210,1cyclictest73-21ksoftirqd/722:30:387
19313991210,1cyclictest73-21ksoftirqd/722:06:217
1931399120,11cyclictest0-21swapper/700:16:477
1930899129,3cyclictest65-21ksoftirqd/600:01:036
1930899125,4cyclictest479-21grepconf.sh23:26:006
1930899125,4cyclictest479-21grepconf.sh23:26:006
1930899123,4cyclictest857-21polkitd00:17:206
1930899122,4cyclictest9661-21sshd23:32:026
1930899122,4cyclictest857-21polkitd22:42:586
1930899122,4cyclictest721-21dbus-daemon23:58:226
1930899122,4cyclictest32286-21rm21:42:306
1930899122,4cyclictest32286-21rm21:42:306
1930899122,4cyclictest30851-21irqstats22:00:356
1930899122,4cyclictest15887-21sshd21:50:376
1930899122,4cyclictest1-21systemd21:21:596
1930899122,4cyclictest0-21swapper/622:11:016
1930899122,4cyclictest0-21swapper/600:26:326
1930899122,4cyclictest0-21swapper/600:20:356
1930899121,5cyclictest0-21swapper/621:28:236
1930899120,2cyclictest29613-21sshd22:51:116
1930899120,12cyclictest13764-21kworker/6:122:05:346
1930899120,11cyclictest11032-21kworker/6:223:18:386
1930599129,3cyclictest57-21ksoftirqd/520:22:035
1930599129,1cyclictest57-21ksoftirqd/519:26:365
19305991211,0cyclictest0-21swapper/519:15:525
19305991210,2cyclictest57-21ksoftirqd/519:43:365
19305991210,1cyclictest57-21ksoftirqd/519:09:065
1930599120,12cyclictest0-21swapper/520:54:495
19294991211,1cyclictest33-21ksoftirqd/223:17:312
19294991210,2cyclictest33-21ksoftirqd/200:20:362
19294991210,1cyclictest33-21ksoftirqd/223:46:112
19294991210,1cyclictest33-21ksoftirqd/223:26:002
19294991210,1cyclictest33-21ksoftirqd/223:26:002
19294991210,1cyclictest33-21ksoftirqd/222:47:132
19294991210,1cyclictest33-21ksoftirqd/200:30:322
1929499120,11cyclictest6324-21kworker/2:323:07:052
1929499120,11cyclictest13531-21kworker/2:022:15:182
1928799123,4cyclictest17527-21sshd21:52:331
1928799120,1cyclictest28260-21kworker/u16:100:26:031
1928799120,1cyclictest0-21swapper/123:28:511
1928799120,1cyclictest0-21swapper/123:28:511
1928199124,4cyclictest12536-21systemd-cgroups22:50:190
19281991211,1cyclictest9-21ksoftirqd/000:24:230
19281991210,1cyclictest9-21ksoftirqd/023:41:570
19281991210,1cyclictest9-21ksoftirqd/023:12:510
19281991210,1cyclictest9-21ksoftirqd/021:47:560
19281991210,1cyclictest9-21ksoftirqd/021:47:560
19281991210,1cyclictest9-21ksoftirqd/000:15:320
1928199120,11cyclictest6367-21kworker/0:322:16:410
151732120,0sleep60-21swapper/621:16:136
36432110,4sleep00-21swapper/022:40:410
1931399119,1cyclictest73-21ksoftirqd/721:25:547
1931399119,1cyclictest73-21ksoftirqd/700:34:437
1931399117,1cyclictest73-21ksoftirqd/721:30:387
1931399110,10cyclictest709-21systemd-logind23:15:377
1931399110,10cyclictest0-21swapper/721:46:337
1931399110,10cyclictest0-21swapper/721:46:337
1930899119,1cyclictest0-21swapper/622:21:246
1930899114,1cyclictest709-21systemd-logind21:34:246
1930899112,4cyclictest19225-21sshd21:58:066
19308991110,1cyclictest65-21ksoftirqd/623:50:546
19308991110,1cyclictest65-21ksoftirqd/622:47:036
1930899111,4cyclictest721-21dbus-daemon22:19:276
1930899111,4cyclictest1-21systemd22:31:206
1930899111,4cyclictest0-21swapper/621:06:326
1930899110,5cyclictest721-21dbus-daemon22:57:316
1930599119,2cyclictest28787-21kworker/5:220:18:165
1930599119,2cyclictest28787-21kworker/5:219:45:205
1930599119,2cyclictest0-21swapper/519:59:025
1930599119,2cyclictest0-21swapper/519:59:025
1930599119,1cyclictest57-21ksoftirqd/520:49:275
1930599117,4cyclictest57-21ksoftirqd/521:01:535
1930599110,1cyclictest28787-21kworker/5:220:26:555
1929699110,10cyclictest9015-21cat20:40:183
1929499119,1cyclictest33-21ksoftirqd/223:22:582
1929499119,1cyclictest33-21ksoftirqd/221:56:152
1929499119,1cyclictest33-21ksoftirqd/221:35:292
1929499119,1cyclictest33-21ksoftirqd/221:33:202
1929499119,1cyclictest33-21ksoftirqd/221:05:202
1929499110,10cyclictest2001-21sshd23:38:522
1929499110,1cyclictest709-21systemd-logind00:15:362
1928799119,1cyclictest25-21ksoftirqd/121:29:031
1928799119,1cyclictest25-21ksoftirqd/121:17:381
1928799118,1cyclictest25-21ksoftirqd/123:40:391
1928799112,5cyclictest28907-21bash00:13:091
1928799111,4cyclictest25154-21bash23:05:341
1928799111,4cyclictest20989-21sshd22:27:141
1928799110,10cyclictest23611-21kworker/1:322:37:111
1928199119,1cyclictest9-21ksoftirqd/023:40:150
1928199119,1cyclictest9-21ksoftirqd/022:57:220
1928199119,1cyclictest9-21ksoftirqd/022:36:560
1928199119,1cyclictest9-21ksoftirqd/021:13:100
1928199119,1cyclictest9-21ksoftirqd/000:10:530
1928199116,2cyclictest9-21ksoftirqd/022:34:250
1928199116,0cyclictest0-21swapper/019:38:550
1928199113,3cyclictest721-21dbus-daemon23:28:020
1928199113,3cyclictest721-21dbus-daemon23:28:020
19281991110,1cyclictest9-21ksoftirqd/021:05:510
19281991110,1cyclictest9-21ksoftirqd/000:07:230
1928199110,2cyclictest0-21swapper/019:10:070
17632110,0sleep60-21swapper/623:06:026
1931399109,1cyclictest0-21swapper/721:35:317
1931399108,1cyclictest73-21ksoftirqd/722:11:017
1931399102,7cyclictest721-21dbus-daemon22:45:357
1930899103,6cyclictest0-21swapper/622:26:186
1930899103,1cyclictest1202-21sshd23:42:266
1930899100,4cyclictest331-21systemd-cgroups23:11:236
1930899100,10cyclictest11032-21kworker/6:223:03:156
1930599109,1cyclictest57-21ksoftirqd/520:15:195
1930599101,9cyclictest57-21ksoftirqd/520:35:355
1930099109,1cyclictest49-21ksoftirqd/419:30:194
1929699103,6cyclictest752-21snmpd20:50:043
1929699103,6cyclictest752-21snmpd19:32:533
1929699100,6cyclictest0-21swapper/320:35:183
1929699100,1cyclictest0-21swapper/319:27:533
1929699100,0cyclictest0-21swapper/320:10:413
1929499108,1cyclictest33-21ksoftirqd/200:00:222
1928799108,1cyclictest25-21ksoftirqd/123:21:191
1928799108,1cyclictest25-21ksoftirqd/122:30:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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