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2026-02-26 - 09:17
[ 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 376 highest latencies:
System rackbslot7.osadl.org (updated Thu Feb 26, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8832214614,85sleep08774-21/usr/sbin/munin19:01:430
10109211212,72sleep210148-21awk19:06:212
102419910260,34cyclictest17384-21diskmemload23:06:231
102419910022,10cyclictest0-21swapper/122:11:321
10241999846,44cyclictest200-21systemd-journal00:32:321
10241999846,44cyclictest200-21systemd-journal00:32:321
10236999544,10cyclictest181rcu_preempt19:41:570
10241999439,48cyclictest352-21runrttasks19:46:381
10236999463,9cyclictest181rcu_preempt22:41:230
204862930,5sleep30-21swapper/322:04:423
10241999240,47cyclictest0-21swapper/121:11:551
10241999240,47cyclictest0-21swapper/121:11:551
1024199923,34cyclictest3614-21grep22:31:211
10236999212,59cyclictest13892-21apt-get20:56:350
1024199914,32cyclictest30239-21sshd20:06:331
1024199914,32cyclictest30239-21sshd20:06:331
1024199904,37cyclictest29656-21/usr/sbin/munin21:26:411
1024199892,35cyclictest11790-21grep19:11:221
1024199883,37cyclictest352-21runrttasks19:12:461
1024199883,37cyclictest352-21runrttasks19:12:461
1024199883,32cyclictest27403-21apt-get22:16:331
10241998832,50cyclictest0-21swapper/123:11:491
1024199882,35cyclictest10347-21latency_hist19:06:261
10236998858,21cyclictest25460-21sh22:11:580
1024199874,33cyclictest3194-21/usr/sbin/munin21:36:581
1024199873,34cyclictest743-21latency_hist22:26:231
1024199873,33cyclictest29537-21latency_hist21:26:251
1024199873,33cyclictest29537-21latency_hist21:26:251
1024199872,35cyclictest1460-21sshd00:15:321
1024199872,33cyclictest14382-21fschecks_time19:16:441
10236998755,17cyclictest181rcu_preempt22:34:380
10236998755,17cyclictest181rcu_preempt22:34:380
10245998624,28cyclictest11817-21unin-run19:11:232
1024199864,32cyclictest11778-21timerwakeupswit20:46:561
1024199863,35cyclictest15282-21timerwakeupswit20:57:231
1024199863,34cyclictest18622-21taskset22:01:421
1024199863,34cyclictest12751-21fschecks_count20:51:431
1024199863,33cyclictest17957-21fschecks_count21:06:441
1024199863,32cyclictest25700-21ssh00:01:371
1024199863,32cyclictest16217-21fschecks_time22:51:441
1024199863,32cyclictest15706-21/usr/sbin/munin19:21:421
1024199863,29cyclictest8968-21rm21:46:241
10241998628,50cyclictest0-21swapper/123:56:141
1023699866,55cyclictest15-21ksoftirqd/019:31:360
1024199854,31cyclictest9325-21timerandwakeup00:27:191
1024199854,31cyclictest27266-21fschecks_time19:56:441
1024199854,31cyclictest27266-21fschecks_time19:56:441
1024199853,34cyclictest9094-21sed20:41:251
1024199853,33cyclictest10879-21latency23:36:461
1024199853,33cyclictest10879-21latency23:36:461
1024199853,31cyclictest400-21taskset21:31:401
1024199853,31cyclictest12395-21/usr/sbin/munin21:52:061
1024199853,30cyclictest23679-21/usr/sbin/munin21:16:521
1024199853,29cyclictest16390-21timerwakeupswit21:56:581
1024199844,33cyclictest7594-21proc_pri22:36:531
1024199844,30cyclictest5327-21/usr/sbin/munin00:21:431
1024199843,34cyclictest16674-21cpuspeed23:46:361
1024199843,33cyclictest352-21runrttasks22:06:501
1024199843,33cyclictest352-21runrttasks22:06:501
1024199843,33cyclictest26724-21latency_hist19:56:241
1024199843,32cyclictest20265-21modprobe19:36:211
1024199843,31cyclictest32589-21switchtime20:11:551
1024199842,35cyclictest21507-21unixbench_singl19:36:561
1024199842,34cyclictest16352-21latency_hist23:46:221
1024199842,34cyclictest16352-21latency_hist23:46:221
1024199842,33cyclictest4224-21/usr/sbin/munin20:26:431
10236998460,15cyclictest1089-21sh23:21:210
10236998449,17cyclictest181rcu_preempt00:19:350
1023699843,59cyclictest13647-21taskset23:41:360
1023699843,59cyclictest13647-21taskset23:41:360
10236998431,45cyclictest15-21ksoftirqd/021:16:460
10245998360,14cyclictest22032-21rm23:01:382
1024199834,32cyclictest29501-21timerwakeupswit00:06:551
1024199834,30cyclictest2080-21/usr/sbin/munin00:16:521
1024199834,28cyclictest1011-21/usr/sbin/munin20:16:431
1024199833,34cyclictest15573-21latency_hist22:51:251
1024199833,34cyclictest15573-21latency_hist22:51:251
1024199833,33cyclictest23627-21unixbench_singl23:56:581
1024199833,33cyclictest23627-21unixbench_singl23:56:581
1024199833,32cyclictest22899-21cat19:41:551
1024199833,30cyclictest31162-21fschecks_time23:16:411
1024199833,29cyclictest17312-21/usr/sbin/munin19:26:531
10241998331,43cyclictest0-21swapper/122:43:331
10236998361,16cyclictest11261-21threads23:36:560
10236998361,16cyclictest11261-21threads23:36:560
10236998356,21cyclictest2490-21latency_hist20:21:240
1024599829,63cyclictest8449-21ssh00:26:582
10245998262,15cyclictest6440-21fschecks_count21:41:402
1024199824,34cyclictest6429-21processes20:31:531
1024199824,30cyclictest7348-21/usr/sbin/munin23:31:461
1024199824,28cyclictest6606-21latency_hist22:36:231
1024199824,28cyclictest6606-21latency_hist22:36:231
1024199823,30cyclictest24853-21/usr/sbin/munin23:06:401
1024199823,25cyclictest1391-21/usr/sbin/munin23:21:531
1024199823,25cyclictest1391-21/usr/sbin/munin23:21:531
10241998228,46cyclictest0-21swapper/120:21:371
10241998223,11cyclictest0-21swapper/121:51:261
10241998215,27cyclictest9763-21wc20:42:061
10236998261,15cyclictest18266-21latency_hist22:01:250
10236998257,17cyclictest26461-21sh23:08:210
10236998254,10cyclictest11737-21latency00:31:460
10236998254,10cyclictest11737-21latency00:31:460
10236998248,16cyclictest181rcu_preempt23:13:260
1023699823,45cyclictest15-21ksoftirqd/000:22:430
10245998160,15cyclictest1257-21fschecks_time20:16:432
10245998124,37cyclictest0-21swapper/219:31:222
1024199813,37cyclictest5273-21timerandwakeup23:26:561
10236998166,9cyclictest17384-21diskmemload21:51:410
10236998156,11cyclictest181rcu_preempt23:21:550
10236998156,11cyclictest181rcu_preempt23:21:550
1023699813,70cyclictest19907-21fschecks_time23:51:450
1024199803,32cyclictest16765-21switchtime21:01:541
1024199803,31cyclictest19860-21timerwakeupswit22:56:581
1024199803,31cyclictest19860-21timerwakeupswit22:56:581
1024199802,34cyclictest28833-21fschecks_count20:01:421
1024199802,34cyclictest28833-21fschecks_count20:01:421
10236998043,12cyclictest181rcu_preempt22:08:410
10236998043,12cyclictest181rcu_preempt22:08:410
10236998032,23cyclictest181rcu_preempt20:42:020
10245997954,17cyclictest11863-21latency_hist21:51:262
10245997952,17cyclictest21370-21sh22:06:302
10245997952,17cyclictest21370-21sh22:06:302
10245997924,20cyclictest5010-21ssh23:26:502
10236997959,14cyclictest12886-21ssh22:46:310
10236997959,14cyclictest12886-21ssh22:46:310
10245997858,15cyclictest19858-21kworker/u18:0+events_unbound23:16:212
10236997849,23cyclictest297-21systemd-logind21:11:230
1023699783,57cyclictest27416-21rm22:16:340
10236997834,9cyclictest181rcu_preempt23:29:360
10245997722,40cyclictest1-21systemd21:26:222
10245997722,40cyclictest1-21systemd21:26:222
10245997719,24cyclictest31566-21grep00:11:372
1023699776,56cyclictest29653-21kworker/u19:2+ext4-rsv-conversion00:26:390
10236997752,8cyclictest181rcu_preempt20:21:370
10236997748,12cyclictest181rcu_preempt23:56:390
10236997748,12cyclictest181rcu_preempt23:56:390
1023699773,37cyclictest25365-21/usr/sbin/munin19:51:570
10245997659,11cyclictest11011-21ssh23:36:502
10245997659,11cyclictest11011-21ssh23:36:502
1024599763,61cyclictest22454-21latency_hist23:56:252
10245997635,30cyclictest15724-21apt-get19:21:352
10245997619,41cyclictest13760-21taskset19:15:412
10245997619,41cyclictest13760-21taskset19:15:412
10236997654,15cyclictest5911-21idleruntime-cro21:41:220
10236997646,13cyclictest181rcu_preempt21:32:330
10236997644,8cyclictest181rcu_preempt20:11:540
1023699763,48cyclictest15-21ksoftirqd/019:36:560
10236997620,27cyclictest32569-21grep00:11:580
1024999753,39cyclictest0-21swapper/321:51:413
10245997558,11cyclictest10229-21cyclictest20:16:252
10245997554,14cyclictest32523-21latency_hist21:31:242
10245997533,29cyclictest30236-21apt-get20:06:332
10245997533,29cyclictest30236-21apt-get20:06:332
10245997522,27cyclictest10229-21cyclictest00:36:062
10245997522,27cyclictest10229-21cyclictest00:36:062
10236997554,14cyclictest3618-21kworker/u17:2+rpciod23:03:100
10236997550,12cyclictest181rcu_preempt22:54:050
1024999747,47cyclictest22504-21taskset23:56:253
10245997460,10cyclictest10229-21cyclictest19:31:472
10245997459,10cyclictest10229-21cyclictest23:56:262
10245997459,10cyclictest10229-21cyclictest23:56:262
10245997453,13cyclictest23763-21cpu21:16:362
10245997448,19cyclictest23372-21latency_hist21:16:252
1024599744,48cyclictest12414-21apt-get21:51:372
10245997424,19cyclictest7095-21seq20:35:202
10245997421,25cyclictest9217-21chrt22:40:192
10236997452,12cyclictest13888-21latency_hist20:56:240
10236997446,10cyclictest181rcu_preempt19:31:240
1023699744,51cyclictest1685-21mailstats22:26:540
10236997445,11cyclictest181rcu_preempt21:42:200
10236997444,23cyclictest15579-21latency_hist19:21:240
10236997436,16cyclictest181rcu_preempt20:46:540
10236997435,12cyclictest181rcu_preempt20:36:550
10236997410,35cyclictest15-21ksoftirqd/020:26:560
10245997353,15cyclictest10229-21cyclictest00:16:572
10245997353,14cyclictest298-21in:imuxsock20:26:212
10245997331,21cyclictest12549-21apt-get20:51:332
10245997330,32cyclictest0-21swapper/222:51:362
10245997326,38cyclictest13067-21apt-get23:41:352
10245997326,38cyclictest13067-21apt-get23:41:352
1023699733,36cyclictest18391-21/usr/sbin/munin22:01:420
10236997321,8cyclictest181rcu_preempt00:05:030
10245997255,11cyclictest277-21dbus-daemon22:26:222
10245997249,14cyclictest22352-21fschecks_count19:41:432
1024599723,49cyclictest5783-21wc20:31:252
10245997230,30cyclictest0-21swapper/219:46:322
1024599722,47cyclictest6606-21latency_hist22:36:252
1024599722,47cyclictest6606-21latency_hist22:36:252
10245997218,28cyclictest0-21swapper/221:11:532
10245997214,23cyclictest0-21swapper/223:16:472
10236997243,9cyclictest181rcu_preempt23:46:370
1024599715,37cyclictest27054-21apt22:16:212
10245997153,12cyclictest26136-21threads19:51:552
10245997118,45cyclictest1259-21fschecks_time22:26:432
1023699714,37cyclictest9152-21/usr/sbin/munin21:46:580
1023699714,37cyclictest352-21runrttasks23:01:010
1023699714,37cyclictest352-21runrttasks23:01:010
1023699714,35cyclictest32413-21ssh21:31:230
10236997138,9cyclictest181rcu_preempt19:21:540
10236997136,13cyclictest181rcu_preempt19:06:510
10236997134,13cyclictest181rcu_preempt23:33:420
10236997133,13cyclictest181rcu_preempt00:07:170
10236997132,16cyclictest181rcu_preempt20:31:440
10245997054,10cyclictest25190-21ssh23:06:422
1024599703,42cyclictest27648-21fschecks_count22:16:432
10236997041,11cyclictest181rcu_preempt21:24:480
10236997041,11cyclictest181rcu_preempt21:24:480
10236997039,13cyclictest181rcu_preempt22:43:120
10236997034,13cyclictest181rcu_preempt21:11:480
10236997034,13cyclictest181rcu_preempt21:11:480
10245996951,12cyclictest14844-21cat19:16:562
10245996950,13cyclictest18751-21idleruntime22:01:442
10245996920,21cyclictest1823-21ssh21:33:252
10236996956,9cyclictest10229-21cyclictest20:01:150
10236996956,9cyclictest10229-21cyclictest20:01:150
10236996950,14cyclictest10229-21cyclictest21:03:030
1023699693,33cyclictest30824-21cut22:21:460
10245996827,35cyclictest0-21swapper/200:01:332
10245996824,34cyclictest14732-21ssh22:49:002
10245996824,34cyclictest14732-21ssh22:49:002
10236996838,9cyclictest181rcu_preempt20:06:390
10236996838,9cyclictest181rcu_preempt20:06:390
10236996834,8cyclictest181rcu_preempt19:11:280
10236996834,8cyclictest181rcu_preempt19:11:280
10245996747,11cyclictest0-21swapper/220:41:262
10245996742,19cyclictest28572-21cpu00:06:352
10245996730,32cyclictest0-21swapper/200:21:322
1024599672,46cyclictest27554-21kworker/u18:0+flush-179:020:41:352
10245996724,35cyclictest28847-21fschecks_count20:01:422
10245996724,35cyclictest28847-21fschecks_count20:01:422
10245996714,21cyclictest17601-21ssh21:59:592
10236996733,12cyclictest181rcu_preempt20:05:030
10236996733,12cyclictest181rcu_preempt20:05:030
10245996643,18cyclictest352-21runrttasks23:21:572
10245996643,18cyclictest352-21runrttasks23:21:572
1024599663,44cyclictest15881-21latency_hist21:01:242
10245996628,26cyclictest16034-21apt-get21:01:362
10245996628,26cyclictest11132-21fschecks_count20:46:422
1024599662,47cyclictest27210-21fschecks_count19:56:432
1024599662,47cyclictest27210-21fschecks_count19:56:432
10245996549,9cyclictest10130-21rm23:36:232
1024599654,47cyclictest3228-21ssh21:36:332
1024599654,45cyclictest12078-21ssh22:44:562
10245996538,17cyclictest18900-21apt-get22:56:332
10245996538,17cyclictest18900-21apt-get22:56:332
10245996515,32cyclictest17384-21diskmemload23:46:552
1024999642,41cyclictest29112-21chrt22:18:403
10249996414,30cyclictest0-21swapper/300:26:553
10245996430,22cyclictest20567-21apt-get19:36:362
10236996328,12cyclictest181rcu_preempt19:46:320
10249996229,22cyclictest20653-21chrt21:11:283
10249996229,22cyclictest20653-21chrt21:11:283
10245996248,8cyclictest0-21swapper/221:06:452
10249996130,20cyclictest17906-21chrt21:06:423
10249996028,20cyclictest32412-21chrt23:18:123
1024999602,42cyclictest30589-21chrt21:26:563
10249995930,20cyclictest15400-21chrt19:20:473
10249995928,20cyclictest31442-21chrt20:09:473
10249995928,20cyclictest31442-21chrt20:09:473
10249995928,20cyclictest15727-21taskset19:21:323
10249995928,20cyclictest13743-21chrt19:15:293
10249995928,20cyclictest13743-21chrt19:15:293
1024999587,35cyclictest8848-21chrt20:41:223
1024999583,42cyclictest4576-21taskset23:26:393
10249995828,20cyclictest26485-21chrt22:14:473
10249995828,20cyclictest18644-21chrt19:31:123
1024999582,40cyclictest13248-21chrt22:46:443
1024999582,40cyclictest13248-21chrt22:46:443
1024999582,39cyclictest17368-21chrt23:46:533
1024999573,39cyclictest17235-21chrt22:52:403
1024999573,39cyclictest11783-21chrt00:31:473
1024999573,39cyclictest11783-21chrt00:31:473
1024999573,36cyclictest7920-21taskset00:26:243
10249995728,19cyclictest28303-21chrt21:23:243
10249995728,19cyclictest28303-21chrt21:23:243
10249995727,20cyclictest13739-21chrt20:54:343
1024999563,38cyclictest16623-21taskset21:57:163
1024999563,37cyclictest6829-21chrt20:31:593
1024999563,36cyclictest5767-21taskset22:34:043
1024999563,36cyclictest5767-21taskset22:34:043
10249995626,19cyclictest10442-21taskset20:43:293
10249995625,20cyclictest24861-21chrt19:48:093
1024999554,33cyclictest28635-21chrt20:01:333
1024999554,33cyclictest28635-21chrt20:01:333
1024999553,39cyclictest25767-21taskset00:01:403
1024999553,37cyclictest21346-21taskset19:36:553
1024999553,32cyclictest27243-21chrt19:56:433
1024999553,32cyclictest27243-21chrt19:56:433
1024999552,36cyclictest8215-21chrt23:31:543
1024999544,35cyclictest32496-21chrt20:11:543
1024999543,38cyclictest6891-21taskset21:41:513
1024999543,36cyclictest14892-21chrt23:42:273
1024999543,36cyclictest14892-21chrt23:42:273
1024999543,36cyclictest10630-21taskset22:41:543
1024999543,34cyclictest3271-21chrt21:36:373
1024999542,39cyclictest24097-21taskset23:05:033
1024999542,37cyclictest22058-21chrt22:06:523
1024999542,37cyclictest22058-21chrt22:06:523
1024999534,37cyclictest25437-21taskset19:51:373
1024999533,37cyclictest11285-21chrt21:49:453
1024999533,32cyclictest31284-21chrt22:21:563
1024999533,32cyclictest11820-21chrt19:11:243
1024999523,37cyclictest1781-21chrt23:21:453
1024999523,37cyclictest1781-21chrt23:21:453
1024999523,33cyclictest3800-21chrt22:31:243
1024999523,32cyclictest24025-21chrt21:16:433
1024999522,37cyclictest23644-21chrt23:56:583
1024999522,37cyclictest23644-21chrt23:56:583
1024999514,34cyclictest9053-21taskset22:39:513
1024999513,34cyclictest20333-21chrt19:36:223
1024999513,33cyclictest10768-21chrt23:36:443
1024999513,33cyclictest10768-21chrt23:36:443
1024999513,32cyclictest16033-21chrt21:01:313
1024999512,35cyclictest29105-21chrt00:06:473
1024999512,34cyclictest1782-21chrt20:16:563
1024999504,34cyclictest25041-21chrt23:06:373
1024999504,29cyclictest3384-21taskset20:21:543
1024999504,23cyclictest0-21swapper/320:56:513
1024999493,29cyclictest10320-21chrt19:06:253
1024999492,32cyclictest32500-21taskset00:11:573
1024999492,30cyclictest4689-21chrt20:26:483
1024999483,31cyclictest29356-21chrt23:13:063
1024999483,30cyclictest4442-21taskset00:20:283
1024999474,32cyclictest22183-21chrt19:41:373
1024999473,30cyclictest32654-21chrt21:31:303
1024999472,31cyclictest12258-21chrt20:51:143
1024999463,32cyclictest20027-21chrt22:57:013
1024999463,32cyclictest20027-21chrt22:57:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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