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2026-03-02 - 19:21
[ 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 100 highest latencies:
System rack0slot2.osadl.org (updated Mon Mar 02, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
205962025848,7sleep50-21swapper/507:02:345
205961225848,7sleep60-21swapper/607:02:276
2060049995248,3cyclictest2326702-21kworker/u16:4+flush-8:009:44:564
2060049995248,3cyclictest2326702-21kworker/u16:4+flush-8:009:44:564
2060049994946,2cyclictest2761986-21kworker/u16:3+flush-8:012:19:384
2060055994745,2cyclictest2485533-21kworker/u16:2+flush-8:010:59:385
2060049994745,2cyclictest2399578-21kworker/u16:1+flush-8:011:29:384
2060049994644,2cyclictest2226407-21kworker/u16:2+flush-8:009:14:384
2060049994643,2cyclictest2545603-21kworker/u16:3+flush-8:010:54:564
205954324636,7sleep40-21swapper/407:01:284
2060055994441,2cyclictest2006710-21kworker/u16:1+flush-8:008:49:385
2060049994339,3cyclictest2092736-21kworker/u16:0+flush-8:008:09:564
2060049994038,2cyclictest2178535-21kworker/u16:4+flush-8:008:24:334
20594722403,31sleep70-21swapper/707:00:277
2060049993937,2cyclictest2006710-21kworker/u16:1+flush-8:008:44:384
2060059993835,2cyclictest2226407-21kworker/u16:2+flush-8:009:39:336
2060055993733,3cyclictest2485533-21kworker/u16:2+flush-8:011:24:445
2060059993634,2cyclictest2424620-21kworker/u16:3+flush-8:010:35:146
2060055993633,2cyclictest2092736-21kworker/u16:0+flush-8:008:25:045
2060049993634,2cyclictest2424620-21kworker/u16:3+flush-8:010:39:384
2060055993533,2cyclictest2761986-21kworker/u16:3+flush-8:012:20:125
2060055993533,2cyclictest2628461-21kworker/u16:0+events_unbound11:31:585
2060049993532,2cyclictest2687038-21kworker/u16:4+flush-8:011:49:554
2060049993532,2cyclictest2687038-21kworker/u16:4+flush-8:011:49:554
2060049993531,3cyclictest2031196-21kworker/u16:5+flush-8:007:45:044
2060059993431,2cyclictest2399578-21kworker/u16:1+flush-8:010:25:006
2060049993432,2cyclictest2675630-21kworker/u16:2+flush-8:011:45:094
2060060993327,5cyclictest2328940-21latency_hist09:19:387
2060055993331,2cyclictest2351700-21kworker/u16:1+flush-8:009:34:335
2060059993228,3cyclictest2092736-21kworker/u16:0+flush-8:008:10:046
2060049993230,2cyclictest2687038-21kworker/u16:4+flush-8:012:09:554
2060055993129,2cyclictest2485533-21kworker/u16:2+flush-8:011:24:385
2060049993127,3cyclictest2006710-21kworker/u16:1+flush-8:008:05:064
2060060993024,5cyclictest2273794-21latency_hist08:54:397
2060055993028,2cyclictest2092736-21kworker/u16:0+flush-8:008:14:545
2060055993027,2cyclictest2006710-21kworker/u16:1+flush-8:009:09:395
2060049993027,2cyclictest2092736-21kworker/u16:0+events_unbound07:24:534
2060059992927,2cyclictest2006710-21kworker/u16:1+flush-8:009:10:216
2060049992927,2cyclictest2092736-21kworker/u16:0+flush-8:007:59:344
2060060992823,4cyclictest2226024-21latency_hist08:29:387
2060055992826,2cyclictest2569808-21kworker/u16:4+flush-8:011:09:375
2060049992826,2cyclictest2226407-21kworker/u16:2+flush-8:008:34:334
2060049992725,2cyclictest2092736-21kworker/u16:0+flush-8:007:50:094
2060055992625,1cyclictest2735794-21kworker/u16:0+events_unbound12:15:465
2060049992624,2cyclictest2485533-21kworker/u16:2+flush-8:011:24:334
206006099251,23cyclictest2640359-21ssh11:26:497
2060059992522,2cyclictest2399578-21kworker/u16:1+flush-8:009:49:436
2060055992523,2cyclictest2747825-21kworker/u16:1+flush-8:012:29:325
2060055992523,2cyclictest2159236-21kworker/u16:2+flush-8:008:00:045
2060049992523,2cyclictest2399578-21kworker/u16:1+flush-8:010:39:534
2060049992523,2cyclictest2399578-21kworker/u16:1+flush-8:009:59:334
27189342240,1chrt2718935-21kthreadcore11:59:597
2060060992317,5cyclictest2449371-21latency_hist10:09:387
2060059992320,3cyclictest2545603-21kworker/u16:3+flush-8:010:54:336
2060055992320,2cyclictest2424620-21kworker/u16:3+flush-8:010:34:445
2060049992321,2cyclictest2761986-21kworker/u16:3+events_unbound12:19:564
2060049992320,2cyclictest2761986-21kworker/u16:3+flush-8:012:24:494
2060049992320,2cyclictest2399578-21kworker/u16:1+events_unbound10:44:404
21861092220,1sleep60-21swapper/608:05:006
2060059992218,3cyclictest2640166-21packagekitd11:26:536
2060055992219,2cyclictest2424620-21kworker/u16:3+events_unbound10:14:525
2060049992220,2cyclictest2437386-21kworker/u16:0+events_unbound10:10:094
2060049992219,2cyclictest2616234-21kworker/u16:3+events_unbound12:04:404
2060049992119,2cyclictest2616234-21kworker/u16:3+events_unbound11:55:094
2060049992119,2cyclictest2603285-21kworker/u16:0+events_unbound11:10:124
2060049992119,2cyclictest2603285-21kworker/u16:0+events_unbound11:10:124
2060049992119,2cyclictest2437386-21kworker/u16:0+events_unbound10:05:454
2060060992014,5cyclictest2473478-21latency_hist10:19:387
2060059992018,2cyclictest2226407-21kworker/u16:2+flush-8:009:55:216
2060055992019,1cyclictest2437386-21kworker/u16:0+events_unbound10:19:535
206006099190,18cyclictest2110514-21ntpq07:25:047
2060059991917,2cyclictest2399578-21kworker/u16:1+flush-8:010:04:386
2060059991917,2cyclictest2399578-21kworker/u16:1+events_unbound10:14:276
2060055991917,2cyclictest2687038-21kworker/u16:4+flush-8:011:55:195
2060055991917,2cyclictest2111821-21kworker/u16:2+flush-8:007:30:055
2060055991917,2cyclictest2092736-21kworker/u16:0+flush-8:007:49:575
2060049991917,2cyclictest2399578-21kworker/u16:1+events_unbound10:00:054
2060049991917,2cyclictest2399578-21kworker/u16:1+events_unbound09:49:534
2060049991916,2cyclictest2616234-21kworker/u16:3+flush-8:011:39:444
2060060991813,4cyclictest2178349-21latency_hist08:04:397
2060060991812,5cyclictest2786095-21latency_hist12:29:377
2060060991811,6cyclictest0-21swapper/712:05:047
2060055991816,2cyclictest2675630-21kworker/u16:2+events_unbound12:10:105
2060055991815,2cyclictest2437386-21kworker/u16:0+flush-8:010:09:485
2060049991816,2cyclictest2178535-21kworker/u16:4+events_unbound08:44:524
2060060991714,2cyclictest0-21swapper/712:19:387
2060060991713,3cyclictest1267-21snmpd10:53:097
2060060991712,4cyclictest2092351-21latency_hist07:19:397
2060059991714,3cyclictest2006710-21kworker/u16:1+flush-8:008:55:046
2060055991714,2cyclictest2675630-21kworker/u16:2+flush-8:012:05:215
2060055991714,2cyclictest2616234-21kworker/u16:3+flush-8:011:35:005
2060049991715,2cyclictest2424620-21kworker/u16:3+flush-8:010:25:374
2060049991715,2cyclictest2424620-21kworker/u16:3+flush-8:010:20:074
2060049991715,2cyclictest2326702-21kworker/u16:4+events_unbound09:43:444
2060049991715,2cyclictest2226407-21kworker/u16:2+flush-8:008:59:384
206006099169,6cyclictest0-21swapper/710:35:047
206006099168,7cyclictest0-21swapper/709:08:487
206006099168,7cyclictest0-21swapper/709:08:487
2060060991612,3cyclictest1267-21snmpd08:42:457
206006099160,15cyclictest2666020-21latency_hist11:39:387
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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