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2026-03-12 - 09:19
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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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack0slot2.osadl.org (updated Thu Mar 12, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12488621040,1sleep70-21swapper/720:59:207
49553621000,1sleep7495528-21ntp_offset23:34:287
408937525848,7sleep50-21swapper/519:03:255
4089702995249,2cyclictest508128-21kworker/u16:0+events_unbound00:04:155
408934325141,7sleep40-21swapper/419:03:004
4089702994946,2cyclictest344027-21kworker/u16:4+events_unbound23:39:165
4089704994642,3cyclictest211757-21kworker/u16:3+flush-8:021:39:016
4089702994643,2cyclictest534533-21kworker/u16:1+events_unbound23:54:135
4089702994543,2cyclictest343704-21kworker/u16:2+flush-8:022:49:005
4089702994442,2cyclictest486970-21kworker/u16:3+events_unbound00:14:275
4089702994341,2cyclictest508128-21kworker/u16:0+events_unbound00:19:285
4089702994340,2cyclictest508128-21kworker/u16:0+events_unbound23:49:265
4089702994340,2cyclictest508128-21kworker/u16:0+events_unbound23:49:265
4089702994240,2cyclictest401447-21kworker/u16:1+events_unbound23:25:435
4089702994240,2cyclictest344027-21kworker/u16:4+events_unbound22:59:325
4089702994239,2cyclictest534533-21kworker/u16:1+flush-8:000:29:105
4089702994239,2cyclictest534533-21kworker/u16:1+flush-8:000:29:105
4089702994139,2cyclictest508128-21kworker/u16:0+events_unbound00:10:385
4089702994139,2cyclictest344027-21kworker/u16:4+events_unbound23:19:325
4089702994139,2cyclictest344027-21kworker/u16:4+events_unbound23:04:145
4089702994139,2cyclictest344027-21kworker/u16:4+events_unbound22:52:385
4089702994138,2cyclictest61351-21kworker/u16:2+events_unbound21:14:025
408928024131,7sleep60-21swapper/619:02:066
40892362405,31sleep70-21swapper/719:01:267
4089702993937,2cyclictest401447-21kworker/u16:1+events_unbound22:58:185
4089702993937,2cyclictest272052-21kworker/u16:0+events_unbound22:22:185
4089702993937,2cyclictest131092-21kworker/u16:0+events_unbound21:28:305
4089702993937,2cyclictest131092-21kworker/u16:0+events_unbound21:07:475
4089702993936,2cyclictest438503-21kworker/u16:2+events_unbound23:29:095
4089704993835,2cyclictest24279-21kworker/u16:4+flush-8:020:29:266
4089702993836,2cyclictest91202-21kworker/u16:1+events_unbound21:43:025
4089702993836,2cyclictest61351-21kworker/u16:2+events_unbound21:34:435
4089702993836,2cyclictest606001-21kworker/u16:4+events_unbound00:25:105
4089702993836,2cyclictest486970-21kworker/u16:3+events_unbound00:01:575
4089702993836,2cyclictest438503-21kworker/u16:2+events_unbound23:38:265
4089702993836,2cyclictest4169835-21kworker/u16:3+flush-8:019:54:345
4089702993836,2cyclictest401447-21kworker/u16:1+flush-8:023:09:465
4089702993836,2cyclictest401447-21kworker/u16:1+flush-8:023:09:465
4089702993836,2cyclictest401447-21kworker/u16:1+events_unbound23:17:335
4089702993836,2cyclictest344027-21kworker/u16:4+flush-8:023:44:575
4089702993836,2cyclictest272052-21kworker/u16:0+events_unbound22:17:145
4089702993836,2cyclictest258382-21kworker/u16:5+events_unbound21:57:025
4089698993832,5cyclictest258382-21kworker/u16:5+flush-8:022:19:004
4089708993732,4cyclictest4141191-21latency_hist19:29:007
4089704993735,2cyclictest91202-21kworker/u16:1+events_unbound21:24:226
4089704993734,2cyclictest508128-21kworker/u16:0+flush-8:000:04:286
4089702993735,2cyclictest294078-21kworker/u16:1+events_unbound22:11:475
4089702993735,2cyclictest258382-21kworker/u16:5+events_unbound22:30:375
4089702993735,2cyclictest258382-21kworker/u16:5+events_unbound22:30:375
4089702993735,2cyclictest247619-21kworker/u16:3+events_unbound22:05:425
4089702993735,2cyclictest24279-21kworker/u16:4+flush-8:020:29:205
4089702993634,2cyclictest258382-21kworker/u16:5+flush-8:021:59:415
4089702993634,2cyclictest258382-21kworker/u16:5+events_unbound22:40:375
4089702993633,2cyclictest61351-21kworker/u16:2+events_unbound20:39:035
4089708993534,0cyclictest0-21swapper/721:20:067
4089702993533,2cyclictest131092-21kworker/u16:0+events_unbound21:51:385
4089708993433,1cyclictest129346-21diskmemload23:17:277
4089708993433,0cyclictest0-21swapper/723:30:357
4089704993432,2cyclictest344027-21kworker/u16:4+flush-8:023:18:556
4089702993433,1cyclictest344027-21kworker/u16:4+events_unbound22:38:225
4089702993432,2cyclictest91202-21kworker/u16:1+events_unbound21:21:145
4089702993432,2cyclictest61351-21kworker/u16:2+events_unbound21:13:025
4089708993332,0cyclictest0-21swapper/722:35:057
4089702993331,2cyclictest258382-21kworker/u16:5+events_unbound22:24:455
4089702993331,2cyclictest131092-21kworker/u16:0+events_unbound21:47:535
4089698993330,2cyclictest91202-21kworker/u16:1+flush-8:021:49:344
4089708993227,4cyclictest650-21systemd-journal21:29:007
4089704993230,2cyclictest272052-21kworker/u16:0+flush-8:022:28:556
4089704993229,2cyclictest258382-21kworker/u16:5+flush-8:022:34:006
4089704993229,2cyclictest258382-21kworker/u16:5+flush-8:022:34:006
4089708993130,0cyclictest0-21swapper/723:51:517
4089708993130,0cyclictest0-21swapper/723:51:517
4089702993128,2cyclictest4089470-21kworker/u16:1+events_unbound19:19:025
4089708993029,0cyclictest0-21swapper/722:27:437
4089708993025,4cyclictest296077-21latency_hist22:14:017
4089704993028,2cyclictest4339-21kworker/u16:2+flush-8:020:04:306
4089704993028,2cyclictest272052-21kworker/u16:0+flush-8:022:23:566
4089702993028,2cyclictest131092-21kworker/u16:0+flush-8:021:29:425
4089708992929,0cyclictest0-21swapper/722:49:317
4089708992929,0cyclictest0-21swapper/721:36:397
4089708992928,0cyclictest0-21swapper/723:05:207
4089708992926,2cyclictest151578-21ssh21:11:047
4089704992927,2cyclictest91202-21kworker/u16:1+flush-8:021:39:396
4089704992927,2cyclictest534533-21kworker/u16:1+flush-8:000:19:436
4089708992727,0cyclictest0-21swapper/722:18:167
4089708992726,0cyclictest0-21swapper/720:43:317
4089708992725,1cyclictest627688-21ssh00:30:317
4089708992725,1cyclictest627688-21ssh00:30:317
4089698992725,2cyclictest343704-21kworker/u16:2+events_unbound22:44:144
4089708992626,0cyclictest0-21swapper/723:46:197
4089708992626,0cyclictest0-21swapper/700:11:317
4089708992625,0cyclictest0-21swapper/719:32:587
4089708992625,0cyclictest0-21swapper/719:23:397
4089704992624,2cyclictest258382-21kworker/u16:5+flush-8:022:14:256
4089702992624,2cyclictest72285-21kworker/u16:0+events_unbound20:35:115
4089702992623,2cyclictest72286-21kworker/u16:3+events_unbound20:59:035
4089702992623,2cyclictest4089470-21kworker/u16:1+events_unbound20:19:035
4089708992524,0cyclictest0-21swapper/720:37:227
4089708992524,0cyclictest0-21swapper/720:06:027
4089704992523,2cyclictest4051776-21kworker/u16:2+events_unbound19:04:186
4089702992523,2cyclictest4089469-21kworker/u16:0+events_unbound19:38:465
4089702992522,2cyclictest4089470-21kworker/u16:1+flush-8:019:39:115
4089708992424,0cyclictest0-21swapper/723:12:167
4089708992424,0cyclictest0-21swapper/723:12:167
4089708992423,0cyclictest0-21swapper/720:10:357
4089702992422,2cyclictest4089469-21kworker/u16:0+events_unbound20:05:095
4089708992322,0cyclictest0-21swapper/720:29:417
4089708992322,0cyclictest0-21swapper/720:01:097
4089708992322,0cyclictest0-21swapper/719:57:227
4089708992322,0cyclictest0-21swapper/719:46:477
4089704992321,2cyclictest61351-21kworker/u16:2+flush-8:020:54:266
4089708992222,0cyclictest0-21swapper/700:19:407
4089708992221,0cyclictest0-21swapper/720:57:477
4089708992221,0cyclictest0-21swapper/720:44:477
4089708992221,0cyclictest0-21swapper/719:39:587
4089708992221,0cyclictest0-21swapper/719:35:157
4089704992220,2cyclictest61351-21kworker/u16:2+events_unbound21:09:156
4089704992220,2cyclictest423535-21kworker/u16:0+flush-8:023:09:366
4089704992220,2cyclictest423535-21kworker/u16:0+flush-8:023:09:366
4089702992220,2cyclictest61351-21kworker/u16:2+events_unbound20:25:115
4089702992220,2cyclictest4051776-21kworker/u16:2+events_unbound19:25:095
4089708992121,0cyclictest0-21swapper/722:03:397
4089708992120,0cyclictest0-21swapper/720:52:177
4089708992120,0cyclictest0-21swapper/719:17:107
4089708992120,0cyclictest0-21swapper/719:11:467
4089708992115,5cyclictest4188914-21latency_hist19:54:017
4089704992119,2cyclictest258382-21kworker/u16:5+flush-8:022:59:166
4089704992118,3cyclictest72286-21kworker/u16:3+events_unbound20:59:256
4089704992118,3cyclictest344027-21kworker/u16:4+flush-8:023:39:376
4089704992118,3cyclictest247619-21kworker/u16:3+flush-8:022:03:556
4089702992119,2cyclictest4051776-21kworker/u16:2+flush-8:019:04:575
4089708992019,0cyclictest0-21swapper/720:25:427
4089708992019,0cyclictest0-21swapper/720:23:167
408970899201,3cyclictest364470-21ssh22:39:237
4089702992018,2cyclictest4089470-21kworker/u16:1+events_unbound19:51:075
4089702992018,2cyclictest4089470-21kworker/u16:1+events_unbound19:12:115
4089698992017,2cyclictest247619-21kworker/u16:3+events_unbound22:04:144
4089708991917,1cyclictest309261-21ssh22:19:157
4089708991916,2cyclictest412208-21ntpq22:59:287
4089704991917,2cyclictest258382-21kworker/u16:5+flush-8:022:39:256
4089704991917,2cyclictest258382-21kworker/u16:5+events_unbound22:34:276
4089702991917,2cyclictest24279-21kworker/u16:4+events_unbound20:16:105
4089702991916,2cyclictest61351-21kworker/u16:2+events_unbound20:54:145
4089708991818,0cyclictest0-21swapper/721:46:127
4089708991818,0cyclictest0-21swapper/721:39:277
4089708991814,3cyclictest1267-21snmpd21:16:487
408970899180,17cyclictest0-21swapper/719:04:237
4089704991816,2cyclictest4089470-21kworker/u16:1+events_unbound20:19:156
4089704991815,2cyclictest24279-21kworker/u16:4+events_unbound20:24:126
4089704991814,3cyclictest91202-21kworker/u16:1+flush-8:021:04:216
4089704991814,3cyclictest4089470-21kworker/u16:1+flush-8:019:39:266
4089702991816,2cyclictest4169835-21kworker/u16:3+events_unbound19:49:005
4089702991816,2cyclictest4089469-21kworker/u16:0+events_unbound20:13:255
4089698991815,3cyclictest4339-21kworker/u16:2+flush-8:020:04:584
408970899178,8cyclictest547310-21cat23:59:147
4089704991714,2cyclictest4089470-21kworker/u16:1+flush-8:019:49:186
4089702991715,2cyclictest4051776-21kworker/u16:2+events_unbound19:15:545
4089702991714,2cyclictest4339-21kworker/u16:2+events_unbound19:59:045
4089698991715,1cyclictest4132850-21iostat19:24:154
408970899168,7cyclictest0-21swapper/721:04:167
4089708991615,1cyclictest0-21swapper/721:50:287
4089704991613,2cyclictest4089469-21kworker/u16:0+events_unbound19:29:196
408970899157,7cyclictest0-21swapper/723:27:037
408970899156,8cyclictest0-21swapper/721:29:177
4089708991511,3cyclictest1267-21snmpd21:58:527
4089704991513,2cyclictest91202-21kworker/u16:1+flush-8:021:44:166
408970499150,14cyclictest0-21swapper/623:59:086
4089702991513,2cyclictest61351-21kworker/u16:2+flush-8:020:44:285
4089702991513,2cyclictest61351-21kworker/u16:2+events_unbound20:51:185
4089702991513,2cyclictest4089469-21kworker/u16:0+events_unbound19:33:575
4089698991512,2cyclictest293019-21needreboot22:09:224
408970899149,4cyclictest559051-21tune2fs00:04:147
408970899146,7cyclictest0-21swapper/723:41:137
408970899140,12cyclictest582420-21cut00:14:107
4089704991413,1cyclictest0-21swapper/623:30:466
4089704991413,1cyclictest0-21swapper/621:19:366
4089704991413,1cyclictest0-21swapper/621:14:146
4089704991413,1cyclictest0-21swapper/620:44:176
4089704991413,1cyclictest0-21swapper/619:59:216
4089704991413,1cyclictest0-21swapper/600:26:346
4089704991412,2cyclictest91202-21kworker/u16:1+flush-8:021:59:006
4089704991412,2cyclictest91202-21kworker/u16:1+flush-8:021:49:256
4089704991412,2cyclictest534533-21kworker/u16:1+flush-8:000:29:226
4089704991412,2cyclictest534533-21kworker/u16:1+flush-8:000:29:226
4089704991412,2cyclictest343704-21kworker/u16:2+events_unbound22:44:166
408970499140,1cyclictest0-21swapper/623:19:256
408970499140,14cyclictest0-21swapper/623:34:336
408969899149,4cyclictest4170964-21cat19:44:154
4089698991413,1cyclictest0-21swapper/423:17:004
4089698991413,1cyclictest0-21swapper/422:51:564
4089698991413,1cyclictest0-21swapper/422:27:484
408969899140,1cyclictest0-21swapper/421:07:534
408969899140,14cyclictest0-21swapper/423:39:424
408970899139,3cyclictest273086-21ssh22:04:127
408970899139,3cyclictest1267-21snmpd00:24:407
408970899135,7cyclictest0-21swapper/723:54:257
408970899135,7cyclictest0-21swapper/722:44:167
408970899135,7cyclictest0-21swapper/722:29:197
408970899135,7cyclictest0-21swapper/722:29:197
408970899134,8cyclictest0-21swapper/722:55:057
408970899133,9cyclictest459221-21cut23:19:237
4089708991313,0cyclictest0-21swapper/720:16:377
4089704991312,1cyclictest0-21swapper/619:21:026
4089704991310,2cyclictest344027-21kworker/u16:4+flush-8:023:24:066
408970499130,13cyclictest0-21swapper/623:49:416
408970499130,13cyclictest0-21swapper/623:49:416
408970499130,13cyclictest0-21swapper/622:50:436
408970499130,13cyclictest0-21swapper/600:13:486
4089698991312,1cyclictest0-21swapper/423:49:094
4089698991312,1cyclictest0-21swapper/423:49:094
4089698991312,1cyclictest0-21swapper/423:45:224
4089698991312,1cyclictest0-21swapper/423:30:144
4089698991312,1cyclictest0-21swapper/423:20:474
4089698991312,1cyclictest0-21swapper/423:13:134
4089698991312,1cyclictest0-21swapper/423:13:134
4089698991312,1cyclictest0-21swapper/421:54:424
4089698991312,1cyclictest0-21swapper/421:25:414
4089698991312,1cyclictest0-21swapper/400:02:244
408969899130,13cyclictest0-21swapper/422:00:134
408969899130,13cyclictest0-21swapper/400:13:264
4089704991211,1cyclictest0-21swapper/620:34:496
4089704991210,2cyclictest272052-21kworker/u16:0+events_unbound22:09:236
408970499120,1cyclictest0-21swapper/619:55:256
408970499120,12cyclictest0-21swapper/619:34:236
4089698991211,1cyclictest0-21swapper/423:35:554
4089698991211,1cyclictest0-21swapper/422:59:394
4089698991211,1cyclictest0-21swapper/422:57:464
4089698991211,1cyclictest0-21swapper/421:43:494
4089698991211,1cyclictest0-21swapper/420:49:224
4089698991211,1cyclictest0-21swapper/419:29:214
4089698991211,1cyclictest0-21swapper/400:31:434
4089698991211,1cyclictest0-21swapper/400:31:434
4089698991211,1cyclictest0-21swapper/400:17:044
4089698991211,1cyclictest0-21swapper/400:06:014
4089698991210,1cyclictest4121152-21ntpq19:14:224
4089704991110,1cyclictest0-21swapper/623:57:156
4089704991110,1cyclictest0-21swapper/623:08:046
408970499110,11cyclictest0-21swapper/620:40:306
408969899119,2cyclictest91202-21kworker/u16:1+flush-8:021:29:264
408969899118,3cyclictest4089470-21kworker/u16:1+flush-8:019:39:194
4089698991110,1cyclictest0-21swapper/422:31:264
4089698991110,1cyclictest0-21swapper/422:31:264
4089698991110,1cyclictest0-21swapper/422:20:244
4089698991110,1cyclictest0-21swapper/421:47:274
4089698991110,1cyclictest0-21swapper/421:34:414
4089698991110,1cyclictest0-21swapper/421:16:424
4089698991110,1cyclictest0-21swapper/421:11:214
4089698991110,1cyclictest0-21swapper/420:39:024
4089698991110,1cyclictest0-21swapper/419:37:514
4089698991110,1cyclictest0-21swapper/400:20:414
408969899110,11cyclictest0-21swapper/421:02:224
408969899110,11cyclictest0-21swapper/420:46:454
408969899110,11cyclictest0-21swapper/420:35:154
408969899110,11cyclictest0-21swapper/420:11:454
408970499109,1cyclictest0-21swapper/623:47:476
408970499109,1cyclictest0-21swapper/622:58:276
408970499109,1cyclictest0-21swapper/621:33:576
408969899109,1cyclictest0-21swapper/423:54:504
408969899109,1cyclictest0-21swapper/423:26:274
408969899109,1cyclictest0-21swapper/423:05:294
408969899109,1cyclictest0-21swapper/419:06:014
408969899109,1cyclictest0-21swapper/400:26:124
40897049998,1cyclictest0-21swapper/622:08:286
40897049998,1cyclictest0-21swapper/619:27:216
40897049997,2cyclictest4089469-21kworker/u16:0+flush-8:019:14:226
40896989998,1cyclictest0-21swapper/420:58:254
40896989998,1cyclictest0-21swapper/419:12:194
40896989994,4cyclictest34894-21cat20:14:154
40896989990,9cyclictest0-21swapper/419:54:174
40896989990,8cyclictest0-21swapper/422:34:154
40897049987,1cyclictest0-21swapper/600:15:326
40897049983,4cyclictest4104231-21sed19:09:176
40897049983,4cyclictest35149-21cut20:14:176
40896989987,1cyclictest0-21swapper/421:22:044
40896989987,1cyclictest0-21swapper/420:33:214
40896989987,1cyclictest0-21swapper/419:51:344
40896989985,2cyclictest43893-21tr20:19:124
40896989984,3cyclictest55100-21kthreadcore20:24:164
40896989984,3cyclictest4127605-21kthreadcore19:19:204
40896989983,4cyclictest6137-21sed19:59:164
40896989983,4cyclictest356829-21cat22:39:154
40897049974,2cyclictest102741-21kthreadcore20:49:166
40897049973,3cyclictest4173756-21grep19:44:196
40897049973,3cyclictest25251-21grep20:09:176
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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