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2026-02-26 - 10:26
[ 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
Characteristics of the 100 highest latencies:
System rackcslot2.osadl.org (updated Thu Feb 26, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
748527361,7sleep00-21swapper/019:08:330
735727149,8sleep10-21swapper/119:07:121
182602660,1sleep10-21swapper/120:59:461
59882450,1sleep121439-21diskmemload22:14:481
775899397,3cyclictest9429-21apache_accesses23:04:410
7758993838,0cyclictest0-21swapper/023:36:260
775899353,1cyclictest91rcu_preempt21:54:010
775899339,8cyclictest7-21ksoftirqd/022:29:340
775899324,4cyclictest91rcu_preempt00:29:380
775899323,0cyclictest91rcu_preempt22:35:330
7758993213,5cyclictest91rcu_preempt00:23:230
7759993110,9cyclictest0-21swapper/123:16:031
7758993114,2cyclictest91rcu_preempt23:32:090
775899308,4cyclictest91rcu_preempt21:43:320
775899303,1cyclictest91rcu_preempt00:38:520
7758993029,1cyclictest7-21ksoftirqd/022:47:110
775899302,27cyclictest100250irq/107-eth1-rx23:17:110
775899291,5cyclictest91rcu_preempt22:09:110
775899290,28cyclictest21609-21runrttasks21:09:360
7759992810,5cyclictest0-21swapper/123:36:411
775899284,1cyclictest91rcu_preempt23:45:290
775899284,1cyclictest91rcu_preempt23:42:250
7758992826,2cyclictest0-21swapper/023:03:570
7759992727,0cyclictest0-21swapper/121:44:441
775899278,5cyclictest4984-21perf22:14:310
775899274,3cyclictest91rcu_preempt20:59:430
7758992725,2cyclictest0-21swapper/000:09:490
7758992724,2cyclictest7965-21ssh21:34:300
7758992723,2cyclictest7-21ksoftirqd/019:09:370
7758992721,6cyclictest0-21swapper/022:54:490
7758992721,6cyclictest0-21swapper/022:00:380
7759992621,4cyclictest1191-21apache223:34:091
7758992624,2cyclictest0-21swapper/019:29:410
7758992624,1cyclictest7-21ksoftirqd/022:50:110
7758992624,1cyclictest7-21ksoftirqd/022:19:420
775899261,2cyclictest91rcu_preempt21:34:410
7759992523,1cyclictest1214-21apache222:56:321
7759992518,4cyclictest0-21swapper/119:29:421
7759992510,3cyclictest0-21swapper/123:13:581
775999250,22cyclictest29133-21ssh00:16:461
775899256,6cyclictest7-21ksoftirqd/020:09:490
7758992524,1cyclictest7-21ksoftirqd/021:27:120
7758992523,1cyclictest7-21ksoftirqd/019:49:510
7758992515,10cyclictest0-21swapper/019:54:500
775999242,21cyclictest0-21swapper/121:14:491
7759992412,8cyclictest0-21swapper/123:04:281
7759992410,9cyclictest1214-21apache223:51:401
7759992410,9cyclictest0-21swapper/120:49:361
775899245,12cyclictest0-21swapper/019:39:460
775899243,5cyclictest7-21ksoftirqd/023:29:050
7758992424,0cyclictest0-21swapper/020:05:260
7758992421,2cyclictest1184-21apache220:14:420
7758992420,4cyclictest0-21swapper/023:12:140
7758992419,2cyclictest7-21ksoftirqd/023:56:230
775899241,2cyclictest91rcu_preempt20:51:350
775999230,6cyclictest0-21swapper/122:04:501
775899237,12cyclictest0-21swapper/023:59:420
775899236,2cyclictest91rcu_preempt19:46:590
7758992320,2cyclictest27023-21apache_volume19:59:420
7758992320,1cyclictest7-21ksoftirqd/023:19:500
7758992319,4cyclictest7-21ksoftirqd/022:41:410
7758992319,3cyclictest9685-21taskset20:37:280
7758992319,3cyclictest12758-21ntp_states20:44:490
7758992316,7cyclictest0-21swapper/000:24:510
7758992315,1cyclictest0-21swapper/021:24:040
775899231,4cyclictest0-21swapper/000:14:420
775899231,2cyclictest91rcu_preempt22:14:510
775899231,21cyclictest20356-21grep21:04:460
7758992312,0cyclictest91rcu_preempt22:27:290
7758992311,4cyclictest0-21swapper/020:54:510
7759992219,2cyclictest24473-21kworker/1:223:06:381
7759992210,8cyclictest0-21swapper/122:25:041
7759992210,8cyclictest0-21swapper/122:22:101
7759992210,7cyclictest0-21swapper/122:49:511
7759992210,6cyclictest0-21swapper/100:09:581
7759992210,5cyclictest0-21swapper/123:54:501
7759992210,4cyclictest0-21swapper/122:34:471
775899223,0cyclictest91rcu_preempt19:22:300
7758992221,1cyclictest7-21ksoftirqd/021:57:110
7758992221,1cyclictest7-21ksoftirqd/020:19:470
7758992220,1cyclictest6219-21apache_processe20:29:430
7758992218,3cyclictest19009-21taskset19:38:110
775999215,9cyclictest0-21swapper/120:44:501
775999214,12cyclictest0-21swapper/119:59:421
775999213,12cyclictest0-21swapper/119:19:311
7759992115,5cyclictest1214-21apache219:39:231
7759992115,2cyclictest7756-21cyclictest19:43:041
775999211,13cyclictest11627-21perf21:39:311
775999211,13cyclictest0-21swapper/121:59:471
7759992110,6cyclictest0-21swapper/121:29:431
7759992110,6cyclictest0-21swapper/121:09:531
7759992110,6cyclictest0-21swapper/119:11:291
775899212,13cyclictest0-21swapper/000:04:470
7758992119,2cyclictest15692-21cstates21:44:400
7758992119,1cyclictest15327-21perf19:29:310
775899211,10cyclictest0-21swapper/023:50:360
775999205,11cyclictest0-21swapper/122:44:421
775999204,10cyclictest0-21swapper/120:34:461
7759992018,1cyclictest100450irq/109-eth1-tx22:40:581
7759992018,1cyclictest0-21swapper/100:03:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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