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2026-02-06 - 16:28
[ 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 highest latencies:
System rackcslot2.osadl.org (updated Fri Feb 06, 2026 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
662726653,8sleep00-21swapper/007:08:580
541626652,8sleep10-21swapper/107:04:571
290772660,1sleep10-21swapper/112:13:151
6875994341,1cyclictest7-21ksoftirqd/010:14:060
687599408,10cyclictest7-21ksoftirqd/010:24:580
687599399,6cyclictest7-21ksoftirqd/009:43:230
687599389,1cyclictest91rcu_preempt11:39:490
687599379,2cyclictest91rcu_preempt11:57:390
6875993736,0cyclictest7-21ksoftirqd/011:59:550
6875993617,3cyclictest91rcu_preempt11:18:490
6875993532,1cyclictest7-21ksoftirqd/010:04:580
6875993517,16cyclictest7-21ksoftirqd/011:27:360
6875993512,4cyclictest91rcu_preempt09:21:470
6875993512,3cyclictest91rcu_preempt09:35:460
6875993413,3cyclictest91rcu_preempt12:07:460
6876993310,22cyclictest0-21swapper/111:45:201
687599339,2cyclictest91rcu_preempt10:55:520
687599338,4cyclictest91rcu_preempt10:23:080
6875993321,6cyclictest13701-21ssh12:35:190
6875993316,4cyclictest91rcu_preempt08:39:580
687599328,1cyclictest91rcu_preempt12:27:560
6875993216,7cyclictest7-21ksoftirqd/009:50:090
6875993116,2cyclictest91rcu_preempt10:16:100
6875993113,12cyclictest392-21kworker/u4:110:44:160
687599308,9cyclictest91rcu_preempt09:11:590
6875993027,2cyclictest23655-21/usr/sbin/munin07:49:590
6875993026,3cyclictest7-21ksoftirqd/012:32:010
687599297,5cyclictest91rcu_preempt10:35:090
687599297,1cyclictest91rcu_preempt10:32:260
6875992926,2cyclictest9415-21irqstats11:44:540
6875992926,2cyclictest11830-21if_eth108:44:540
6875992925,3cyclictest4935-21perf11:39:390
6875992925,3cyclictest13809-21irqstats08:49:540
6875992910,4cyclictest7-21ksoftirqd/009:18:020
687699280,8cyclictest0-21swapper/110:24:511
6875992826,2cyclictest17885-21/usr/sbin/munin07:35:000
6875992826,2cyclictest15748-21/usr/sbin/munin07:29:580
6875992826,1cyclictest18953-21df07:39:510
6875992825,2cyclictest9282-21ssh11:03:390
6875992825,2cyclictest7-21ksoftirqd/007:14:540
6875992825,2cyclictest5790-21diskstats08:29:520
6875992825,2cyclictest3617-21ssh09:29:290
6875992825,2cyclictest16989-21ssh11:14:090
6875992824,3cyclictest29079-21nfs4_client08:04:550
6875992823,1cyclictest7-21ksoftirqd/010:53:560
6875992822,3cyclictest7-21ksoftirqd/012:09:570
6876992727,0cyclictest0-21swapper/112:23:011
6875992725,1cyclictest24496-21apache_processe07:54:510
6875992725,1cyclictest12685-21apache_volume07:24:510
6875992724,2cyclictest31212-21/usr/sbin/munin12:14:550
6875992724,2cyclictest29174-21/usr/sbin/munin11:29:550
6875992724,2cyclictest25923-21cron09:59:390
6875992724,2cyclictest0-21swapper/008:09:520
6875992723,3cyclictest3244-21taskset08:22:100
6875992715,5cyclictest7-21ksoftirqd/011:21:380
138702270,0sleep10-21swapper/112:35:451
6876992624,1cyclictest4284-21taskset10:55:511
687599268,13cyclictest0-21swapper/011:04:510
6875992624,2cyclictest4595-21ls09:29:550
6875992624,1cyclictest28793-21users10:44:590
6875992624,1cyclictest1607-21hddtemp_smartct12:19:540
6875992623,2cyclictest23652-21ls09:55:010
6875992623,2cyclictest19848-21ntp_kernel_pll_09:04:560
6875992622,3cyclictest17535-21fw_packets08:59:530
6875992620,5cyclictest16561-21ssh09:45:150
6875992617,2cyclictest91rcu_preempt08:25:200
6876992525,0cyclictest0-21swapper/111:51:061
687699250,15cyclictest0-21swapper/108:09:521
687699250,0cyclictest0-21swapper/112:06:431
6875992516,7cyclictest12551-21apache_volume11:49:520
6876992424,0cyclictest0-21swapper/109:49:531
6876992421,2cyclictest23702-21ssh09:12:331
6875992422,1cyclictest10967-21df07:19:500
6875992421,2cyclictest22218-21chrt07:47:450
6875992420,3cyclictest6903-21apache_volume07:09:520
6875992420,3cyclictest0-21swapper/008:14:520
6876992321,1cyclictest0-21swapper/110:44:121
6876992319,3cyclictest16737-21apache211:00:551
6876992314,4cyclictest0-21swapper/112:14:511
6876992310,7cyclictest0-21swapper/108:39:491
6875992320,2cyclictest15189-21apache_accesses08:54:500
6875992319,3cyclictest26427-21/usr/sbin/munin07:59:540
6876992220,1cyclictest100150irq/106-eth1-rx09:46:061
687699221,2cyclictest0-21swapper/111:29:531
6876992210,8cyclictest0-21swapper/111:39:511
6876992210,4cyclictest0-21swapper/110:02:561
6876992210,11cyclictest0-21swapper/110:15:111
6875992219,2cyclictest9262-21/usr/sbin/munin08:39:400
6876992119,2cyclictest0-21swapper/110:24:281
6876992119,1cyclictest30447-21if_eth210:04:541
6876992119,1cyclictest0-21swapper/110:14:031
6876992110,7cyclictest0-21swapper/111:27:341
687699206,13cyclictest0-21swapper/108:44:531
6876992013,2cyclictest16737-21apache210:46:031
6876992010,6cyclictest0-21swapper/111:19:521
6876992010,5cyclictest0-21swapper/109:56:111
6876992010,4cyclictest0-21swapper/107:10:001
6876992010,0cyclictest0-21swapper/111:19:351
2660422010,0sleep10-21swapper/109:15:301
687699197,7cyclictest0-21swapper/108:54:501
687699196,8cyclictest0-21swapper/108:49:511
687699195,8cyclictest0-21swapper/111:54:551
687699195,11cyclictest14900-21ls09:44:391
687699195,10cyclictest0-21swapper/108:59:531
687699193,6cyclictest18554-21cron07:39:391
687699192,8cyclictest0-21swapper/111:09:561
687699191,1cyclictest0-21swapper/111:06:491
687699191,17cyclictest0-21swapper/111:35:581
6876991911,6cyclictest9896-21ls07:14:581
6876991910,6cyclictest0-21swapper/112:25:251
6876991910,3cyclictest0-21swapper/110:49:591
1963221910,0sleep10-21swapper/107:39:581
1427721910,2sleep10-21swapper/107:28:101
1099021910,0sleep10-21swapper/109:39:321
687699189,5cyclictest0-21swapper/109:20:271
687699184,8cyclictest0-21swapper/111:59:591
687699183,10cyclictest0-21swapper/107:50:551
687699182,9cyclictest0-21swapper/108:29:501
687699182,11cyclictest0-21swapper/110:35:391
6876991813,5cyclictest2018-1kworker/u5:109:30:501
6876991810,4cyclictest231ktimersoftd/108:37:081
6876991810,4cyclictest0-21swapper/109:04:591
6876991810,4cyclictest0-21swapper/108:19:531
6876991810,3cyclictest0-21swapper/108:06:231
6876991810,3cyclictest0-21swapper/107:55:061
1032721810,0sleep10-21swapper/112:30:451
687699173,9cyclictest0-21swapper/108:24:501
6876991710,7cyclictest0-21swapper/110:29:411
6876991710,6cyclictest0-21swapper/109:25:131
6876991710,6cyclictest0-21swapper/107:44:581
6876991610,6cyclictest0-21swapper/107:59:531
6876991610,2cyclictest0-21swapper/108:14:501
687699158,3cyclictest16411-21apt-get07:34:391
687699145,3cyclictest1199-21runrttasks07:19:491
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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