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2026-02-11 - 07:08
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 the 792 highest latencies:
System rack0slot2.osadl.org (updated Wed Feb 11, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
390568925948,8sleep40-21swapper/419:04:564
390568125848,7sleep50-21swapper/519:04:495
390552324711,31sleep70-21swapper/719:02:347
3906054994037,2cyclictest79299-21kworker/u16:5+events_unbound22:11:115
3906063993938,0cyclictest0-21swapper/700:06:297
390556723929,7sleep60-21swapper/619:03:136
3906054993835,2cyclictest3996995-21kworker/u16:0+flush-8:021:50:565
3906063993732,4cyclictest93152-21latency_hist22:05:567
3906054993735,2cyclictest54732-21kworker/u16:1+events_unbound22:01:115
3906054993633,2cyclictest321848-21kworker/u16:1+events_unbound23:46:105
3906049993532,2cyclictest3996995-21kworker/u16:0+flush-8:021:51:314
3906063993329,3cyclictest124-21kswapd022:50:567
3906054993331,2cyclictest201927-21kworker/u16:3+flush-8:023:57:265
3906054993229,2cyclictest261019-21kworker/u16:0+events_unbound23:26:105
3906049993229,2cyclictest417552-21kworker/u16:2+flush-8:000:31:114
3906054993128,2cyclictest3996995-21kworker/u16:0+flush-8:022:16:125
3906063992928,0cyclictest0-21swapper/721:56:427
3906049992927,2cyclictest247359-21kworker/u16:2+events_unbound23:11:204
3906058992825,2cyclictest261019-21kworker/u16:0+flush-8:023:35:566
3906049992826,2cyclictest429775-21kworker/u16:3+events_unbound00:26:064
3906063992726,0cyclictest0-21swapper/721:41:067
3906049992724,3cyclictest3996995-21kworker/u16:0+events_unbound22:26:244
3906049992724,2cyclictest4190389-21kworker/u16:3+events_unbound21:26:104
3906063992626,0cyclictest0-21swapper/722:15:467
3906063992626,0cyclictest0-21swapper/721:25:217
3906063992625,0cyclictest0-21swapper/719:11:017
3906063992625,0cyclictest0-21swapper/700:16:417
3906063992624,1cyclictest97766-21ssh22:06:147
3906049992623,2cyclictest3877208-21kworker/u16:1+events_unbound19:11:004
2242472260,0chrt224246-21ssh22:58:247
3906063992525,0cyclictest0-21swapper/721:36:537
3906049992522,3cyclictest104821-21kworker/u16:2+flush-8:022:31:214
3906063992423,0cyclictest0-21swapper/719:09:597
3906063992419,4cyclictest4166244-21latency_hist21:15:567
3906049992422,2cyclictest54732-21kworker/u16:1+events_unbound22:51:194
3906049992422,2cyclictest273308-21kworker/u16:2+events_unbound23:26:084
3906049992421,2cyclictest3996995-21kworker/u16:0+flush-8:021:21:124
3906063992323,0cyclictest0-21swapper/700:21:447
3906063992322,0cyclictest0-21swapper/720:38:237
3906063992322,0cyclictest0-21swapper/719:44:527
3906063992322,0cyclictest0-21swapper/719:27:367
3906063992322,0cyclictest0-21swapper/719:17:357
3906063992221,0cyclictest0-21swapper/720:33:557
3906063992221,0cyclictest0-21swapper/720:12:477
3906063992220,1cyclictest453589-21ssh00:35:217
3906063992120,0cyclictest0-21swapper/720:56:517
3906063992120,0cyclictest0-21swapper/720:22:167
3906063992120,0cyclictest0-21swapper/719:23:037
3906049992119,2cyclictest261019-21kworker/u16:0+flush-8:023:16:224
3906049992118,3cyclictest54732-21kworker/u16:1+events_unbound23:06:184
3906063992020,0cyclictest0-21swapper/722:38:117
3906063992019,0cyclictest0-21swapper/720:41:307
3906063992019,0cyclictest0-21swapper/720:28:477
3906063992019,0cyclictest0-21swapper/720:08:027
3906063992019,0cyclictest0-21swapper/720:03:037
3906063992012,7cyclictest0-21swapper/723:15:567
3906063991918,0cyclictest0-21swapper/719:36:107
3906063991918,0cyclictest0-21swapper/700:26:377
3906054991917,2cyclictest9380-21kworker/u16:2+events_unbound21:41:195
3906049991917,2cyclictest3996995-21kworker/u16:0+events_unbound21:31:194
3906063991818,0cyclictest0-21swapper/700:11:407
3906063991817,0cyclictest0-21swapper/720:53:267
3906063991814,3cyclictest4151106-21ssh21:06:187
3906063991813,4cyclictest333736-21latency_hist23:45:557
3906063991813,4cyclictest20946-21latency_hist21:35:567
3906049991817,1cyclictest201927-21kworker/u16:3+events_unbound23:32:394
3906049991816,2cyclictest357885-21kworker/u16:0+flush-8:000:11:114
3906049991816,2cyclictest201927-21kworker/u16:3+flush-8:023:46:224
390606399179,7cyclictest0-21swapper/723:05:557
390606399177,8cyclictest0-21swapper/722:41:207
3906063991716,0cyclictest0-21swapper/723:11:017
3906063991716,0cyclictest0-21swapper/720:50:507
3906063991716,0cyclictest0-21swapper/719:49:407
3906063991712,4cyclictest153354-21latency_hist22:30:567
3906058991712,4cyclictest46264-21hddtemp_smartct21:46:096
390605899170,14cyclictest0-21swapper/623:11:176
3906049991714,2cyclictest3996995-21kworker/u16:0+events_unbound21:06:244
390606399168,7cyclictest0-21swapper/723:51:147
3906063991614,1cyclictest295485-21ssh23:26:337
3906063991614,1cyclictest129324-21sed22:20:557
3906063991610,5cyclictest650-21systemd-journal23:25:567
390605899160,1cyclictest0-21swapper/621:31:206
3906054991614,2cyclictest3996995-21kworker/u16:0+flush-8:021:26:125
3906054991612,3cyclictest3996995-21kworker/u16:0+flush-8:020:01:225
3906049991614,2cyclictest3996995-21kworker/u16:0+events_unbound20:01:214
3906049991613,2cyclictest3842355-21kworker/u16:3+events_unbound19:51:114
3906049991612,3cyclictest3996995-21kworker/u16:0+events_unbound22:11:194
390606399157,7cyclictest0-21swapper/721:26:237
390606399156,8cyclictest0-21swapper/723:36:197
3906063991514,0cyclictest0-21swapper/720:20:307
3906063991514,0cyclictest0-21swapper/719:56:387
3906063991510,4cyclictest381884-21latency_hist00:05:567
3906054991514,1cyclictest0-21swapper/500:01:415
390606399147,6cyclictest1267-21snmpd21:48:487
390606399146,7cyclictest0-21swapper/723:56:127
390606399146,7cyclictest0-21swapper/722:21:107
390606399145,8cyclictest0-21swapper/722:51:177
390606399145,7cyclictest0-21swapper/722:31:157
3906063991411,2cyclictest0-21swapper/721:51:267
390606399140,1cyclictest0-21swapper/723:31:237
390605899149,1cyclictest0-21swapper/622:40:046
3906058991411,2cyclictest3877208-21kworker/u16:1+flush-8:019:11:176
3906054991413,1cyclictest0-21swapper/523:06:215
3906054991413,1cyclictest0-21swapper/522:49:475
3906054991413,1cyclictest0-21swapper/521:36:575
3906054991412,2cyclictest417552-21kworker/u16:2+events_unbound00:31:105
3906054991412,2cyclictest4122768-21kworker/u16:1+flush-8:020:57:275
3906054991412,2cyclictest3996995-21kworker/u16:0+events_unbound21:06:105
390605499140,7cyclictest0-21swapper/521:52:185
390605499140,14cyclictest0-21swapper/523:31:155
390605499140,14cyclictest0-21swapper/500:26:265
3906049991411,3cyclictest54732-21kworker/u16:1+flush-8:023:01:004
390606399139,3cyclictest1267-21snmpd23:47:097
390606399139,3cyclictest1267-21snmpd23:08:327
390606399135,7cyclictest0-21swapper/721:17:387
3906058991312,1cyclictest0-21swapper/623:05:276
3906058991312,1cyclictest0-21swapper/622:00:396
3906058991312,1cyclictest0-21swapper/620:36:386
3906058991312,1cyclictest0-21swapper/600:21:176
3906058991310,2cyclictest321848-21kworker/u16:1+events_unbound00:11:096
390605899130,1cyclictest0-21swapper/622:59:376
390605899130,13cyclictest0-21swapper/622:51:446
390605899130,13cyclictest0-21swapper/622:34:146
3906054991312,1cyclictest0-21swapper/522:55:185
3906054991312,1cyclictest0-21swapper/522:34:585
3906054991312,1cyclictest0-21swapper/522:24:065
3906054991312,1cyclictest0-21swapper/521:35:135
3906054991312,1cyclictest0-21swapper/521:17:345
3906054991312,1cyclictest0-21swapper/519:11:085
390605499130,1cyclictest0-21swapper/521:59:305
390605499130,13cyclictest0-21swapper/523:44:395
390605499130,13cyclictest0-21swapper/523:12:015
390605499130,13cyclictest0-21swapper/522:27:435
390605499130,0cyclictest0-21swapper/500:10:025
3906049991311,2cyclictest261019-21kworker/u16:0+flush-8:023:36:204
3906049991311,2cyclictest201927-21kworker/u16:3+flush-8:023:51:194
390606399128,3cyclictest1267-21snmpd19:35:097
390606399128,3cyclictest1267-21snmpd19:35:097
390606399120,10cyclictest0-21swapper/719:51:257
390605899129,2cyclictest201927-21kworker/u16:3+flush-8:000:01:376
3906058991211,1cyclictest0-21swapper/623:29:346
3906058991211,1cyclictest0-21swapper/622:22:446
390605899120,1cyclictest0-21swapper/622:44:016
390605899120,12cyclictest0-21swapper/622:30:276
390605899120,12cyclictest0-21swapper/621:53:246
390605899120,0cyclictest0-21swapper/600:05:596
390605499128,3cyclictest4056091-21cat20:21:135
390605499127,4cyclictest4007654-21cat19:56:125
3906054991211,1cyclictest0-21swapper/523:52:135
3906054991211,1cyclictest0-21swapper/523:25:355
3906054991211,1cyclictest0-21swapper/521:14:065
3906054991211,1cyclictest0-21swapper/520:46:215
3906054991211,1cyclictest0-21swapper/500:22:205
390604999129,2cyclictest3842355-21kworker/u16:3+flush-8:020:16:254
3906049991211,1cyclictest0-21swapper/423:45:494
3906049991211,1cyclictest0-21swapper/423:21:324
3906049991211,1cyclictest0-21swapper/421:46:284
3906049991211,1cyclictest0-21swapper/419:06:084
3906049991210,2cyclictest3996995-21kworker/u16:0+events_unbound21:41:254
390604999120,1cyclictest0-21swapper/420:56:394
390604999120,12cyclictest0-21swapper/423:59:504
390604999120,12cyclictest0-21swapper/421:37:194
390604999120,12cyclictest0-21swapper/421:13:224
390606399118,2cyclictest4142123-21munin-run21:05:567
390605899119,2cyclictest0-21swapper/623:53:426
3906058991110,1cyclictest0-21swapper/622:06:016
3906058991110,1cyclictest0-21swapper/620:34:446
3906058991110,1cyclictest0-21swapper/620:09:026
3906058991110,1cyclictest0-21swapper/619:55:576
3906058991110,1cyclictest0-21swapper/619:23:106
3906058991110,1cyclictest0-21swapper/600:27:456
390605899110,1cyclictest0-21swapper/620:59:576
390605899110,11cyclictest0-21swapper/620:50:306
390605899110,11cyclictest0-21swapper/619:29:566
390605499119,2cyclictest3842355-21kworker/u16:3+flush-8:020:26:225
3906054991110,1cyclictest0-21swapper/523:36:565
3906054991110,1cyclictest0-21swapper/523:00:505
3906054991110,1cyclictest0-21swapper/521:21:025
3906054991110,1cyclictest0-21swapper/520:17:205
3906054991110,1cyclictest0-21swapper/500:18:145
390605499110,11cyclictest0-21swapper/520:34:415
390604999117,3cyclictest4007376-21diskstats19:56:104
3906049991110,1cyclictest0-21swapper/422:57:444
3906049991110,1cyclictest0-21swapper/422:50:004
3906049991110,1cyclictest0-21swapper/421:59:054
3906049991110,1cyclictest0-21swapper/420:45:184
3906049991110,1cyclictest0-21swapper/420:37:254
3906049991110,1cyclictest0-21swapper/420:31:354
390604999110,11cyclictest0-21swapper/421:04:134
390604999110,11cyclictest0-21swapper/420:25:544
390605899109,1cyclictest0-21swapper/622:02:236
390605899109,1cyclictest0-21swapper/621:14:476
390605899109,1cyclictest0-21swapper/619:40:586
390605899108,2cyclictest224237-21kworker/u16:0+events_unbound23:06:236
390605899107,2cyclictest4036107-21cpuspeed_turbos20:11:096
390605499109,1cyclictest0-21swapper/519:43:365
390605499109,1cyclictest0-21swapper/519:23:545
390605499109,1cyclictest0-21swapper/519:17:265
390605499106,3cyclictest395174-21cat00:11:105
390605499106,3cyclictest3912490-21kthreadcore19:06:165
390604999109,1cyclictest0-21swapper/420:12:214
390604999109,1cyclictest0-21swapper/400:25:424
390604999109,1cyclictest0-21swapper/400:01:444
390604999107,2cyclictest406366-21/usr/sbin/munin00:16:224
390604999106,3cyclictest4104614-21cat20:46:124
39060589998,1cyclictest0-21swapper/622:20:506
39060589998,1cyclictest0-21swapper/621:18:246
39060589998,1cyclictest0-21swapper/620:17:146
39060589998,1cyclictest0-21swapper/619:06:086
39060589996,2cyclictest4141753-21unixbench_singl21:01:246
39060589995,3cyclictest34299-21cat21:41:116
39060589995,3cyclictest0-21swapper/620:26:176
39060549998,1cyclictest0-21swapper/522:40:295
39060549998,1cyclictest0-21swapper/521:01:295
39060549998,1cyclictest0-21swapper/519:32:435
39060549998,1cyclictest0-21swapper/519:32:435
39060549995,3cyclictest226828-21cat23:01:105
39060549994,4cyclictest4027322-21tr20:06:145
39060549993,4cyclictest3997442-21grep19:51:105
39060499998,1cyclictest0-21swapper/419:42:334
39060499997,2cyclictest4122768-21kworker/u16:1+events_unbound21:16:224
39060499990,2cyclictest0-21swapper/400:06:134
39060589987,1cyclictest0-21swapper/623:21:226
39060589987,1cyclictest0-21swapper/621:23:556
39060589987,1cyclictest0-21swapper/620:02:256
39060589986,1cyclictest0-21swapper/623:41:136
39060589986,1cyclictest0-21swapper/621:36:146
39060589986,1cyclictest0-21swapper/620:21:186
39060589986,1cyclictest0-21swapper/619:36:136
39060589986,1cyclictest0-21swapper/619:31:166
39060589986,1cyclictest0-21swapper/619:31:166
39060589983,4cyclictest443378-21sed00:31:126
39060589983,4cyclictest4193096-21cut21:26:136
39060589983,4cyclictest4145162-21grep21:06:136
39060589983,4cyclictest4115863-21grep20:51:136
39060589983,4cyclictest4095080-21sed20:41:146
39060589983,4cyclictest367266-21timerandwakeup23:56:236
39060589983,4cyclictest338309-21cut23:46:146
39060589983,4cyclictest266035-21cut23:16:136
39060589983,4cyclictest190543-21cut22:46:116
39060589983,4cyclictest110957-21cut22:11:156
39060549986,1cyclictest0-21swapper/520:36:145
39060549985,2cyclictest0-21swapper/520:11:165
39060549984,3cyclictest98148-21cut22:06:145
39060549984,3cyclictest4114216-21wc20:51:105
39060549983,4cyclictest4102007-21kthreadcore20:41:195
39060549983,4cyclictest3968813-21cut19:36:095
39060549980,3cyclictest39530222cut19:26:165
39060499987,1cyclictest0-21swapper/422:36:174
39060499987,1cyclictest0-21swapper/420:29:414
39060499987,1cyclictest0-21swapper/419:48:514
39060499987,1cyclictest0-21swapper/419:31:404
39060499987,1cyclictest0-21swapper/419:31:404
39060499985,2cyclictest0-21swapper/422:41:074
39060499984,3cyclictest4114237-21cat20:51:104
39060499983,4cyclictest3975426-21cut19:36:154
39060499983,4cyclictest3949561-21awk19:26:124
39060499983,4cyclictest129850-21cat22:21:094
39060499982,4cyclictest3932681-21kthreadcore19:16:154
39060499980,2cyclictest94595-21irqcore22:06:124
39060589974,2cyclictest3987581-21cpuspeed19:46:086
39060589973,3cyclictest3930193-21grep19:16:116
39060589973,3cyclictest299864-21cat23:31:136
39060589972,4cyclictest3997310-21cat19:51:106
39060589970,6cyclictest406785-21expr00:16:086
39060549975,1cyclictest0-21swapper/519:46:145
39060549973,3cyclictest180455-21grep22:41:135
39060549972,4cyclictest262197-21cat23:16:065
39060499975,1cyclictest0-21swapper/419:21:104
39060499973,3cyclictest4027049-21hddtemp_smartct20:06:124
39060499973,1cyclictest681rcuog/422:01:074
39060499962,3cyclictest117781-21cpuspeed22:16:084
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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