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2026-02-21 - 18:25
[ 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 792 highest latencies:
System rackeslot2.osadl.org (updated Sat Feb 21, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
52241621220,2sleep30-21swapper/308:47:163
46770021160,2sleep30-21swapper/308:02:163
59661021070,1sleep00-21swapper/009:37:110
7894992570,1sleep00-21swapper/011:27:090
5648232350,4sleep1564826-21wc09:20:011
399272992724,1cyclictest0-21swapper/212:30:002
39927099271,13cyclictest742695-21munin-run11:00:010
399270992611,11cyclictest801824-21kthreadcore11:32:090
399270992516,5cyclictest852243-21kthreadcore12:02:110
399272992219,1cyclictest0-21swapper/210:35:002
399271992215,3cyclictest651054-21latency10:07:121
399271992215,3cyclictest651054-21latency10:07:121
399271992213,4cyclictest745063-21/usr/sbin/munin11:02:081
399270992215,6cyclictest1288-1atopacctd10:12:110
39927299211,10cyclictest0-21swapper/212:10:012
399271992114,3cyclictest597293-21kthreadcore09:37:111
399272992018,1cyclictest0-21swapper/210:50:012
399272992018,1cyclictest0-21swapper/210:50:012
399271992017,2cyclictest680580-21/usr/sbin/munin10:25:021
399271992017,2cyclictest399268-21cyclictest12:35:011
399271992017,2cyclictest1326-21systemd-logind10:15:001
399271992016,2cyclictest0-21swapper/111:40:021
399271992013,3cyclictest1288-1atopacctd09:32:101
399270992014,1cyclictest191rcu_preempt07:37:020
399271991913,2cyclictest134050irq/121-eno112:12:051
399271991912,3cyclictest257-21systemd-journal09:25:021
399271991912,3cyclictest257-21systemd-journal09:25:021
399271991911,3cyclictest0-21swapper/112:40:021
399270991916,2cyclictest1286-21avahi-daemon09:10:020
399270991912,4cyclictest399268-21cyclictest10:42:110
399270991912,2cyclictest276557-21kworker/u16:1+xprtiod09:20:530
399270991912,2cyclictest276557-21kworker/u16:1+xprtiod09:20:530
399270991911,4cyclictest0-21swapper/010:10:010
399270991911,4cyclictest0-21swapper/010:10:010
399270991910,5cyclictest0-21swapper/011:45:010
2649091190,2phc2sys0-21swapper/311:44:323
2649091190,2phc2sys0-21swapper/307:37:093
399272991815,1cyclictest0-21swapper/210:20:012
399272991815,1cyclictest0-21swapper/208:55:002
39927199189,3cyclictest618655-21sshd09:50:221
39927199188,7cyclictest399268-21cyclictest12:02:281
399271991816,1cyclictest778097-21munin-plugin-st11:20:011
399271991815,2cyclictest795573-21latency_hist11:30:011
399271991815,2cyclictest611142-21cpuspeed_turbos09:47:061
399271991815,2cyclictest504204-21unixbench_multi08:32:161
399271991811,3cyclictest735773-21fschecks_time10:57:061
39927099182,5cyclictest701043-21sed10:37:090
39927099182,4cyclictest689146-21sh10:29:430
399270991815,2cyclictest504783-21systemd-run08:35:020
399270991815,2cyclictest1329-21rs:main0
399270991815,2cyclictest0-21swapper/010:25:010
399270991812,5cyclictest864236-21/usr/sbin/munin12:07:150
399270991811,6cyclictest895967-21irqrtprio12:27:080
2649091180,2phc2sys0-21swapper/311:11:343
399272991715,1cyclictest0-21swapper/210:37:102
399272991714,1cyclictest0-21swapper/212:40:002
399272991714,1cyclictest0-21swapper/211:20:012
399272991714,1cyclictest0-21swapper/210:12:102
399272991714,1cyclictest0-21swapper/209:30:012
399272991714,1cyclictest0-21swapper/209:05:012
399272991714,1cyclictest0-21swapper/208:20:012
399272991714,1cyclictest0-21swapper/208:00:002
399271991715,1cyclictest405368-21munin-plugin-st07:15:001
399271991714,2cyclictest769001-21latency_hist11:15:001
399271991714,2cyclictest461994-21sendmail08:00:001
399271991714,2cyclictest1290-21dbus-daemon12:20:001
399271991714,2cyclictest1290-21dbus-daemon12:20:001
399271991713,3cyclictest418912-21pmu-power07:22:131
399271991713,2cyclictest498719-21latency_hist08:30:021
399271991711,2cyclictest134050irq/121-eno112:07:121
39927099179,4cyclictest609912-21runrttasks09:45:300
39927099178,2cyclictest0-21swapper/011:37:040
39927099177,5cyclictest0-21swapper/011:10:010
39927099177,1cyclictest191rcu_preempt10:33:130
399270991714,2cyclictest419667-21dump-pmu-power07:25:000
399270991710,6cyclictest0-21swapper/011:22:050
399270991710,1cyclictest0-21swapper/010:00:010
2649091170,2phc2sys0-21swapper/309:20:363
2649091170,2phc2sys0-21swapper/309:20:363
399272991613,1cyclictest0-21swapper/212:17:092
399272991613,1cyclictest0-21swapper/212:17:092
399272991613,1cyclictest0-21swapper/210:42:052
399272991613,1cyclictest0-21swapper/210:10:002
399272991613,1cyclictest0-21swapper/210:10:002
399272991613,1cyclictest0-21swapper/209:40:002
399272991613,1cyclictest0-21swapper/209:22:162
399272991613,1cyclictest0-21swapper/209:22:162
399272991613,1cyclictest0-21swapper/209:17:112
399272991613,1cyclictest0-21swapper/208:02:082
39927199169,3cyclictest632180-21kthreadcore09:57:101
39927199161,4cyclictest4114978-21snmpd09:14:271
399271991612,3cyclictest846461-21pmu-power11:57:141
399271991612,3cyclictest691670-21gltestperf10:32:091
399271991612,2cyclictest644918-21/usr/sbin/munin10:05:011
39927099169,4cyclictest604850-21kthreadcore09:42:110
39927099169,2cyclictest0-21swapper/011:15:000
39927099168,2cyclictest0-21swapper/009:11:580
39927099163,5cyclictest276557-21kworker/u16:1+xprtiod10:00:090
399270991614,1cyclictest664025-21apt-get10:17:010
399270991614,1cyclictest541083-21awk09:05:000
399270991613,2cyclictest884440-21kworker/u16:0-rpciod12:24:050
399270991613,2cyclictest770729-21aten_repower_fr11:17:030
399270991613,2cyclictest724924-21sh10:50:000
399270991613,2cyclictest724924-21sh10:50:000
399270991613,2cyclictest528981-21apt-config08:55:010
399270991613,2cyclictest517861-21gltestperf08:47:070
399270991613,2cyclictest516845-21latency_hist08:45:010
399270991610,5cyclictest576699-21cut09:27:090
39927099160,15cyclictest586386-21cut09:32:090
2902298160,11rtkit-daemon404450-21phc2sys07:12:120
2649091160,2phc2sys0-21swapper/309:45:563
399272991513,1cyclictest0-21swapper/210:25:012
399272991513,1cyclictest0-21swapper/209:10:012
399272991513,1cyclictest0-21swapper/208:47:102
399272991512,1cyclictest0-21swapper/212:05:012
399272991512,1cyclictest0-21swapper/211:39:212
399272991512,1cyclictest0-21swapper/211:22:102
399272991512,1cyclictest0-21swapper/211:02:092
399272991512,1cyclictest0-21swapper/210:02:052
399272991512,1cyclictest0-21swapper/209:53:042
399272991512,1cyclictest0-21swapper/208:45:002
399272991512,1cyclictest0-21swapper/207:40:012
399272991512,1cyclictest0-21swapper/207:30:002
399272991510,2cyclictest0-21swapper/207:47:092
39927199157,3cyclictest0-21swapper/112:22:081
39927199156,4cyclictest0-21swapper/111:22:081
399271991512,2cyclictest797894-21grep11:32:041
399271991512,2cyclictest718444-21cut10:47:111
399271991512,2cyclictest718444-21cut10:47:111
399271991512,2cyclictest477291-21ps08:12:101
399271991512,2cyclictest468225-21latency_hist08:05:011
399271991512,2cyclictest455941-21dump-pmu-power07:55:001
399271991512,2cyclictest426974-21idleruntime07:32:091
399271991512,2cyclictest1-21systemd11:05:211
39927099159,5cyclictest834903-21kthreadcore11:52:090
39927099159,5cyclictest460319-21tr07:57:110
39927099156,5cyclictest868838-21head12:12:080
39927099151,2cyclictest911080-21latency_hist12:35:020
399270991512,2cyclictest828191-21kthreadcore11:47:110
399270991512,2cyclictest439606-21kthreadcore07:42:110
399270991512,2cyclictest431842-21latency_hist07:35:010
399270991512,2cyclictest413795-21latency_hist07:20:010
399270991512,2cyclictest399268-21cyclictest12:17:100
399270991512,2cyclictest399268-21cyclictest12:17:100
399270991512,2cyclictest399268-21cyclictest11:02:110
399270991512,2cyclictest0-21swapper/012:40:010
399270991511,3cyclictest547262-21kworker/u16:0+nfsiod09:19:430
2649091150,3phc2sys0-21swapper/310:55:513
2649091150,2phc2sys0-21swapper/311:00:163
2649091150,2phc2sys0-21swapper/310:49:573
2649091150,2phc2sys0-21swapper/310:49:573
2649091150,2phc2sys0-21swapper/310:34:403
2649091150,2phc2sys0-21swapper/309:37:503
2649091150,2phc2sys0-21swapper/308:57:083
2649091150,2phc2sys0-21swapper/307:24:563
399272991412,1cyclictest0-21swapper/210:55:002
399272991412,1cyclictest0-21swapper/207:20:012
399272991411,1cyclictest0-21swapper/212:13:342
399272991411,1cyclictest0-21swapper/211:52:032
399272991411,1cyclictest0-21swapper/211:47:092
399272991411,1cyclictest0-21swapper/211:27:122
399272991411,1cyclictest0-21swapper/211:12:092
399272991411,1cyclictest0-21swapper/209:57:082
399272991411,1cyclictest0-21swapper/209:44:382
399272991411,1cyclictest0-21swapper/209:32:092
399272991411,1cyclictest0-21swapper/209:12:062
399272991411,1cyclictest0-21swapper/208:37:112
399272991411,1cyclictest0-21swapper/208:32:112
399272991411,1cyclictest0-21swapper/208:22:112
399272991411,1cyclictest0-21swapper/207:52:092
399272991411,1cyclictest0-21swapper/207:12:032
399272991411,1cyclictest0-21swapper/207:10:012
39927199149,4cyclictest577199-21grep09:27:091
399271991411,2cyclictest824543-21gltestperf11:47:071
399271991411,2cyclictest609281-21cron09:45:001
399271991411,2cyclictest510161-21timerwakeupswit08:37:161
399271991411,2cyclictest432286-21aten_repower_fr07:37:031
399271991411,2cyclictest4114978-21snmpd09:02:131
399271991411,2cyclictest405274-21dump-pmu-power07:19:551
399271991411,2cyclictest1290-21dbus-daemon08:55:001
399271991411,2cyclictest0-21swapper/107:10:011
399271991410,3cyclictest702636-21kthreadcore10:37:111
399271991410,3cyclictest449457-21timerandwakeup07:47:151
39927099147,2cyclictest0-21swapper/008:57:040
399270991411,2cyclictest844380-21kthreadcore11:57:110
399270991411,2cyclictest730107-21kthreadcore10:52:100
399270991411,2cyclictest452947-21kthreadcore07:52:100
399270991411,2cyclictest445063-21tail07:47:070
399270991411,2cyclictest171ktimers/007:27:090
399270991411,2cyclictest1326-21systemd-logind08:30:020
399270991411,2cyclictest1-21systemd09:53:450
2649091140,3phc2sys0-21swapper/312:23:333
2649091140,2phc2sys0-21swapper/311:24:453
2649091140,2phc2sys0-21swapper/311:05:413
399272991311,1cyclictest0-21swapper/212:32:092
399272991311,1cyclictest0-21swapper/211:57:172
399272991311,1cyclictest0-21swapper/210:27:062
399272991311,1cyclictest0-21swapper/208:57:072
399272991311,1cyclictest0-21swapper/207:42:102
399272991311,1cyclictest0-21swapper/207:22:102
399272991310,1cyclictest0-21swapper/212:20:502
399272991310,1cyclictest0-21swapper/211:32:082
399272991310,1cyclictest0-21swapper/210:57:062
399272991310,1cyclictest0-21swapper/209:47:102
399272991310,1cyclictest0-21swapper/208:07:092
39927199138,4cyclictest1288-1atopacctd11:50:111
39927199134,8cyclictest421667-1cut07:27:101
39927199134,4cyclictest717685-21kworker/u16:2+nfsiod10:51:491
39927199132,8cyclictest681946-1ssh10:26:581
39927199131,7cyclictest4114978-21snmpd08:23:441
39927199131,5cyclictest399268-21cyclictest10:15:281
399271991310,2cyclictest896565-21kthreadcore12:27:091
399271991310,2cyclictest815088-21aten2.4-expect11:42:061
399271991310,2cyclictest709243-21fschecks_count10:42:071
399271991310,2cyclictest544441-21kthreadcore09:07:111
399271991310,2cyclictest521391-21kthreadcore08:47:111
399271991310,2cyclictest443494-21unixbench-2d07:42:171
39927099134,5cyclictest0-21swapper/008:37:110
39927099134,5cyclictest0-21swapper/008:10:150
39927099131,7cyclictest462848-21cstates08:02:050
39927099131,7cyclictest399105-21latency_hist07:10:010
399270991310,2cyclictest490564-21kthreadcore08:22:110
399270991310,2cyclictest472113-21kthreadcore08:07:110
2649091136,1phc2sys0-21swapper/311:27:573
2649091135,3phc2sys0-21swapper/311:20:013
2649091131,2phc2sys0-21swapper/307:16:423
2649091130,2phc2sys0-21swapper/309:53:373
2649091130,1phc2sys0-21swapper/312:17:003
2649091130,1phc2sys0-21swapper/312:17:003
2649091130,1phc2sys0-21swapper/310:14:553
2649091130,1phc2sys0-21swapper/309:09:463
39927299129,1cyclictest0-21swapper/208:26:352
39927299129,1cyclictest0-21swapper/208:12:092
39927299121,8cyclictest427069-21taskset07:32:102
39927299121,4cyclictest0-21swapper/211:42:052
399272991210,1cyclictest0-21swapper/211:05:212
39927199129,2cyclictest514029-21kthreadcore08:42:121
39927199129,2cyclictest470922-21kthreadcore08:07:101
39927199127,4cyclictest1288-1atopacctd08:59:161
39927199125,5cyclictest480604-21aten_repower_en08:17:041
2649091121,4phc2sys0-21swapper/308:22:043
2649091120,2phc2sys0-21swapper/310:28:463
2649091120,2phc2sys0-21swapper/310:02:403
2649091120,2phc2sys0-21swapper/309:58:473
2649091120,2phc2sys0-21swapper/307:25:313
2649091120,1phc2sys0-21swapper/312:26:483
2649091120,1phc2sys0-21swapper/308:32:313
2649091114,2phc2sys0-21swapper/307:32:113
2649091112,2phc2sys0-21swapper/311:32:383
2649091112,2phc2sys0-21swapper/310:06:013
2649091112,2phc2sys0-21swapper/310:06:013
2649091111,5phc2sys0-21swapper/311:37:023
2649091111,2phc2sys0-21swapper/312:12:583
2649091111,1phc2sys0-21swapper/310:20:293
2649091111,1phc2sys0-21swapper/308:38:043
2649091110,3phc2sys0-21swapper/311:48:093
2649091110,3phc2sys0-21swapper/310:36:523
2649091110,2phc2sys0-21swapper/312:32:133
2649091110,2phc2sys0-21swapper/312:07:173
2649091110,2phc2sys0-21swapper/310:50:143
2649091110,2phc2sys0-21swapper/310:17:073
2649091110,2phc2sys0-21swapper/309:34:553
2649091110,2phc2sys0-21swapper/307:41:553
2649091110,1phc2sys0-21swapper/308:40:293
2649091110,1phc2sys0-21swapper/308:05:063
2649091110,1phc2sys0-21swapper/307:51:563
2649091101,3phc2sys0-21swapper/312:00:013
2649091101,2phc2sys0-21swapper/312:35:503
2649091101,2phc2sys0-21swapper/309:17:033
2649091101,2phc2sys0-21swapper/308:52:033
2649091101,2phc2sys0-21swapper/308:17:093
2649091100,2phc2sys0-21swapper/312:02:003
2649091100,2phc2sys0-21swapper/310:43:253
2649091100,2phc2sys0-21swapper/309:44:533
2649091100,2phc2sys0-21swapper/309:25:453
2649091100,2phc2sys0-21swapper/309:11:463
2649091100,2phc2sys0-21swapper/309:03:353
2649091100,2phc2sys0-21swapper/308:12:043
2649091100,2phc2sys0-21swapper/307:59:253
2649091100,2phc2sys0-21swapper/307:47:033
264909191,2phc2sys0-21swapper/307:07:113
264909190,2phc2sys0-21swapper/311:50:223
264909190,2phc2sys0-21swapper/308:25:143
264909190,2phc2sys0-21swapper/307:12:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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