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2026-02-02 - 11:27
[ 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 792 highest latencies:
System rackbslot7.osadl.org (updated Mon Feb 02, 2026 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11121991283,26cyclictest18608-21/usr/sbin/munin22:58:490
11121991277,11cyclictest0-21swapper/022:16:190
111219911158,47cyclictest15173-21sh22:53:170
111219911048,54cyclictest12902-21unixbench_multi22:48:330
11121991083,29cyclictest9672-21wc23:38:090
11121991083,29cyclictest9672-21wc23:38:090
11121991082,34cyclictest13248-21cat00:37:590
11121991082,34cyclictest13248-21cat00:37:590
11121991082,20cyclictest16348-21seq22:01:500
11121991056,10cyclictest0-21swapper/019:08:000
11121991053,23cyclictest12403-21sh23:42:460
11121991053,23cyclictest12403-21sh23:42:460
11121991043,28cyclictest352-21runrttasks22:35:400
11121991034,26cyclictest2867-21/usr/sbin/munin20:18:360
11121991032,30cyclictest9456-21grep20:38:330
11121991024,27cyclictest31076-21/usr/sbin/munin20:08:200
11121991024,27cyclictest31076-21/usr/sbin/munin20:08:200
11121991023,28cyclictest6043-21ssh22:38:130
11121991023,28cyclictest6043-21ssh22:38:130
111279910061,11cyclictest181rcu_preempt21:13:112
111219910044,50cyclictest13647-21fschecks_time20:53:190
11121991003,32cyclictest28527-21grep00:09:070
11121991003,30cyclictest15724-21/usr/sbin/munin23:48:360
11121991003,28cyclictest27049-21ssh23:12:590
11121991003,22cyclictest2638-21ssh23:25:250
11121999935,54cyclictest0-21swapper/020:03:140
11121999935,54cyclictest0-21swapper/020:03:140
1112199993,29cyclictest352-21runrttasks19:42:550
1112199993,28cyclictest29361-21fschecks_count22:23:190
1112199993,12cyclictest27240-21ssh23:13:080
1112199992,28cyclictest4344-21latency_hist00:22:590
1112199983,30cyclictest4802-21timerwakeupswit23:28:360
1112199982,29cyclictest32757-21ps22:28:270
1112199982,21cyclictest7001-21head21:43:330
11121999743,46cyclictest13167-21ssh23:43:200
1112199974,26cyclictest352-21runrttasks21:27:120
11121999739,50cyclictest0-21swapper/021:35:180
1112199973,33cyclictest352-21runrttasks23:20:500
1112199973,31cyclictest12017-21grep20:48:170
1112199973,27cyclictest14957-21/usr/sbin/munin19:18:210
1112199972,38cyclictest14535-21kworker/u17:0+rpciod21:50:280
1112199972,30cyclictest14998-21/usr/sbin/munin20:58:200
1112199972,30cyclictest14998-21/usr/sbin/munin20:58:200
1112199972,26cyclictest19689-21grep19:32:590
1112199972,23cyclictest3596-21proc_pri21:38:260
1112199972,22cyclictest725-21cut21:33:000
96212968,56sleep29640-21apt-get19:03:082
1112399963,65cyclictest4837-21apt-get20:28:101
1112199964,30cyclictest21187-21/usr/sbin/munin21:13:460
11121999639,49cyclictest27186-21grep19:53:330
1112199963,37cyclictest12985-21rm21:55:550
1112199963,37cyclictest12985-21rm21:55:550
1112199963,32cyclictest5328-21/usr/sbin/munin20:28:080
1112199953,30cyclictest20826-21/usr/sbin/munin22:08:300
11121999516,24cyclictest5035-21/usr/sbin/munin00:23:250
11121999516,24cyclictest5035-21/usr/sbin/munin00:23:250
11121999515,26cyclictest18931-21rm22:05:390
11121999515,26cyclictest18931-21rm22:05:390
1112199944,31cyclictest21486-40mandb23:58:070
1112199943,30cyclictest27449-21http00:07:560
1112199943,30cyclictest27449-21http00:07:560
1112199943,30cyclictest17201-21sendmail_mailqu19:23:290
1112199943,27cyclictest25390-21runrttasks19:48:320
1112199943,27cyclictest11712-21cat20:48:000
1112199942,35cyclictest5202-21latency_hist20:28:000
1112199942,30cyclictest8880-21/usr/sbin/munin22:43:330
1112199942,27cyclictest7184-21cut20:33:180
1112199934,28cyclictest23009-21/usr/sbin/munin19:43:240
1112199933,34cyclictest19110-21grep23:53:230
1112199932,31cyclictest28489-21sendmail_mailqu19:58:290
1112199932,31cyclictest28489-21sendmail_mailqu19:58:290
1112199932,29cyclictest22078-21ssh23:03:360
1112199932,29cyclictest22078-21ssh23:03:360
1112199932,24cyclictest24739-21seq21:18:210
1112199932,24cyclictest24739-21seq21:18:210
1112199932,21cyclictest17036-21latency21:03:220
1112199924,30cyclictest19776-21/usr/sbin/munin19:33:260
1112199924,29cyclictest31184-21grep00:13:190
1112199924,28cyclictest12878-21munin-node19:13:060
1112199924,27cyclictest20734-21ssh21:12:170
1112199924,27cyclictest20734-21ssh21:12:170
1112199922,19cyclictest27359-21ssh22:19:000
1112199913,32cyclictest1733-21latency_hist20:17:590
1112199913,29cyclictest11280-21/usr/sbin/munin19:08:250
11127999065,16cyclictest18587-21ssh22:58:492
11123999068,15cyclictest8611-21cron21:47:561
1112399906,66cyclictest17753-21apt-get22:58:121
1112199903,24cyclictest7998-21ssh00:28:250
1112799882,50cyclictest39-21ksoftirqd/221:57:522
1112799882,50cyclictest39-21ksoftirqd/221:57:522
11123998864,17cyclictest12878-21munin-node20:43:381
11123998766,14cyclictest14803-21sh22:53:001
11123998710,62cyclictest28068-21sh00:08:241
11123998661,17cyclictest1845-21latency_hist20:18:001
11127998561,18cyclictest13104-21cron20:52:562
11127998556,11cyclictest39-21ksoftirqd/222:15:242
11123998563,15cyclictest352-21runrttasks21:03:301
11127998343,11cyclictest181rcu_preempt22:23:132
1112399833,67cyclictest1002-21apt-get23:23:171
11127998249,22cyclictest30678-21latency_hist00:12:582
11127998231,8cyclictest181rcu_preempt20:38:082
11123998265,11cyclictest30716-21ssh21:28:201
11127998111,40cyclictest9276-21fschecks_time21:48:192
11127998058,17cyclictest11839-21kworker/u17:1+events_unbound22:57:562
11123998064,12cyclictest11108-21cyclictest21:25:471
11123998060,14cyclictest277-21dbus-daemon20:27:581
11123998058,10cyclictest0-21swapper/123:58:011
11123998056,18cyclictest16204-21sh23:48:261
11123997959,14cyclictest22972-21sh23:05:121
11123997959,14cyclictest22972-21sh23:05:121
11123997957,16cyclictest24809-21sh22:15:191
1112799783,27cyclictest16301-21cron19:22:562
11123997856,15cyclictest32365-21sh23:21:271
11127997759,12cyclictest365-21ntpd23:03:312
11127997759,12cyclictest365-21ntpd23:03:312
11127997759,12cyclictest12735-21latency_hist19:12:592
11127997759,11cyclictest277-21dbus-daemon20:32:572
11127997756,15cyclictest17985-21diskmemload23:33:342
11127997756,15cyclictest17985-21diskmemload23:33:342
11123997749,19cyclictest13258-21latency23:43:211
1020427720,35sleep30-21swapper/319:03:383
11127997642,9cyclictest14346-21ssh21:58:142
11127997621,10cyclictest0-21swapper/223:13:082
11123997655,15cyclictest24631-21/usr/sbin/munin00:03:361
11123997655,15cyclictest24631-21/usr/sbin/munin00:03:361
11127997555,14cyclictest14535-21kworker/u17:0+events_unbound21:32:562
1112799754,38cyclictest6925-21apt-get20:33:122
11127997542,9cyclictest181rcu_preempt20:53:122
11127997524,22cyclictest2388-21timerandwakeup00:18:312
11123997557,11cyclictest11342-21/usr/sbin/munin00:33:311
11123997557,11cyclictest11342-21/usr/sbin/munin00:33:311
11127997455,12cyclictest21001-21timerandwakeup22:08:322
11127997444,10cyclictest181rcu_preempt19:53:102
1112399745,46cyclictest26523-21uname22:18:221
11123997451,16cyclictest11108-21cyclictest23:58:571
11123997450,14cyclictest0-21swapper/121:13:331
1113399737,48cyclictest0-21swapper/323:58:023
11127997349,17cyclictest0-21swapper/222:03:192
11127997349,17cyclictest0-21swapper/222:03:192
11127997349,14cyclictest18849-21sh23:53:142
11127997347,16cyclictest27951-21diskmemload00:08:112
11127997347,16cyclictest27951-21diskmemload00:08:112
11127997314,13cyclictest181rcu_preempt00:33:182
11127997314,13cyclictest181rcu_preempt00:33:182
1112399733,47cyclictest23970-21unixbench_singl19:43:331
11127997248,18cyclictest21904-21ntp_kernel_err19:38:242
1112799722,46cyclictest25319-21grep23:08:322
11123997248,17cyclictest277-21dbus-daemon19:32:581
11123997246,20cyclictest14009-21mailstats20:53:301
1112399723,48cyclictest4168-21latency_hist00:22:561
11123997224,35cyclictest10121-21latency_hist00:32:591
11127997151,14cyclictest3484-21sh23:27:542
11127997149,8cyclictest181rcu_preempt19:32:592
11123997150,15cyclictest2317-21latency_hist22:33:001
1112399714,36cyclictest15530-21fschecks_time22:53:391
11123997141,21cyclictest5569-21systemctl22:37:561
11123997134,13cyclictest181rcu_preempt22:38:211
11123997134,13cyclictest181rcu_preempt22:38:211
11123997127,9cyclictest0-21swapper/100:13:341
11127997056,10cyclictest11108-21cyclictest00:29:262
11127997053,11cyclictest11108-21cyclictest22:30:022
11127997029,13cyclictest181rcu_preempt21:18:292
11127997029,13cyclictest181rcu_preempt21:18:292
1112799702,37cyclictest20449-21mailstats19:33:312
11123997035,13cyclictest181rcu_preempt23:33:381
11123997035,13cyclictest181rcu_preempt23:33:381
1112399703,46cyclictest30133-21ssh23:18:001
11127996956,9cyclictest58-21kcompactd019:48:342
11127996952,11cyclictest31684-21kworker/u17:2-xprtiod21:44:252
11127996947,15cyclictest5538-21sh22:37:562
11127996946,14cyclictest6697-21ssh22:38:302
11127996946,14cyclictest6697-21ssh22:38:302
1112799694,48cyclictest4472-21/usr/sbin/munin00:23:072
1112799694,48cyclictest4472-21/usr/sbin/munin00:23:072
11127996943,19cyclictest0-21swapper/222:22:572
1112799693,28cyclictest58-21kcompactd020:03:192
1112799693,28cyclictest58-21kcompactd020:03:192
11123996955,10cyclictest11108-21cyclictest20:58:321
11123996955,10cyclictest11108-21cyclictest20:58:321
11123996916,8cyclictest0-21swapper/120:48:311
171222680,8sleep3451rcuc/321:03:253
1113399683,40cyclictest0-21swapper/323:58:013
11127996849,13cyclictest18550-21fschecks_count21:08:182
11127996849,13cyclictest18550-21fschecks_count21:08:182
11127996846,15cyclictest16777-21kworker/u17:2-rpciod23:41:012
11127996846,15cyclictest16777-21kworker/u17:2-rpciod23:41:012
1112799684,44cyclictest15741-21switchtime20:58:312
1112799684,44cyclictest15741-21switchtime20:58:312
11127996843,8cyclictest39-21ksoftirqd/219:44:162
11127996833,12cyclictest0-21swapper/223:59:492
11127996828,31cyclictest6776-21sh23:33:102
11123996849,9cyclictest0-21swapper/123:28:221
11123996839,19cyclictest0-21swapper/121:08:191
11123996839,19cyclictest0-21swapper/121:08:191
11123996837,23cyclictest5633-21apt21:42:561
1112399683,44cyclictest352-21runrttasks23:09:491
11123996823,7cyclictest301ktimers/120:38:251
11127996747,13cyclictest0-21swapper/223:23:002
11127996740,7cyclictest181rcu_preempt22:46:222
11127996728,13cyclictest181rcu_preempt21:03:192
1112399674,44cyclictest27623-21sendmail-msp19:57:571
1112399673,46cyclictest32432-21apt20:12:561
1112399673,46cyclictest32432-21apt20:12:561
1112399673,41cyclictest3229-21latency_hist20:23:001
11123996734,12cyclictest181rcu_preempt23:42:561
11123996734,12cyclictest181rcu_preempt23:42:561
11123996722,31cyclictest18088-21latency_hist19:27:591
11123996721,10cyclictest301ktimers/119:18:261
11123996718,35cyclictest13638-21basename19:13:221
11123996711,35cyclictest0-21swapper/100:23:311
11123996711,35cyclictest0-21swapper/100:23:311
11127996650,10cyclictest10655-21ntpq20:43:262
11127996639,18cyclictest16118-21fschecks_time23:48:232
11127996629,10cyclictest1021-21kworker/u17:1-events_unbound23:44:372
11123996647,14cyclictest11108-21cyclictest21:48:541
1112399664,39cyclictest11582-21latency_hist22:47:581
1112399663,42cyclictest352-21runrttasks22:06:161
1112399663,42cyclictest352-21runrttasks22:06:161
11123996621,12cyclictest0-21swapper/120:03:001
1112799654,46cyclictest2746-21timerwakeupswit20:18:352
11127996536,9cyclictest181rcu_preempt21:23:292
1112799653,35cyclictest3260-21ssh21:38:162
11127996523,13cyclictest181rcu_preempt20:13:182
11123996546,12cyclictest1-21systemd19:12:581
11123996539,11cyclictest0-21swapper/122:27:591
11123996524,9cyclictest291rcuc/119:48:231
1112399652,42cyclictest21140-21ls19:37:561
1112799643,41cyclictest28727-21timerwakeupswit19:58:322
1112799643,41cyclictest28727-21timerwakeupswit19:58:322
11127996427,17cyclictest4450-21grep20:23:342
1112399646,40cyclictest2867-21latency_hist21:38:011
11123996442,12cyclictest0-21swapper/120:03:221
11123996442,12cyclictest0-21swapper/120:03:221
11123996428,14cyclictest181rcu_preempt19:58:311
11123996412,21cyclictest0-21swapper/121:59:051
109452646,39sleep10-21swapper/119:07:431
1113399634,38cyclictest8968-21chrt21:48:113
11127996340,13cyclictest0-21swapper/219:23:332
1112799632,44cyclictest12035-21wc22:48:142
11123996335,18cyclictest0-21swapper/120:33:131
1112399633,32cyclictest352-21runrttasks21:55:391
1112399633,32cyclictest352-21runrttasks21:55:391
11123996326,27cyclictest24547-21grep21:18:171
11123996326,27cyclictest24547-21grep21:18:171
11133996113,35cyclictest0-21swapper/300:08:353
11127996129,10cyclictest2552-21ssh21:37:512
1112799612,44cyclictest31267-21grep20:08:192
1112799612,44cyclictest31267-21grep20:08:192
11123996139,13cyclictest0-21swapper/122:09:081
1112799605,42cyclictest31882-21timerwakeupswit00:13:332
1112799603,33cyclictest14869-21latency_hist19:17:592
11123996037,14cyclictest11108-21cyclictest19:43:001
1113399582,34cyclictest18365-21chrt22:58:143
1113399573,39cyclictest10084-21chrt20:43:003
1113399555,34cyclictest2985-21chrt22:33:253
1113399554,37cyclictest7422-21taskset20:33:243
1113399543,38cyclictest30486-21taskset21:28:133
1113399543,37cyclictest22184-21taskset21:13:463
1113399543,34cyclictest429-21taskset20:13:173
1113399543,31cyclictest9793-21chrt23:38:123
1113399543,31cyclictest9793-21chrt23:38:123
211652534,12sleep30-21swapper/321:13:063
211652534,12sleep30-21swapper/321:13:063
1113399534,35cyclictest31512-21chrt20:08:233
1113399534,35cyclictest31512-21chrt20:08:233
1113399532,32cyclictest2934-21taskset21:38:063
1113399523,38cyclictest31124-21chrt23:18:333
1113399523,36cyclictest5322-21chrt20:28:083
1113399522,32cyclictest7428-21taskset00:28:023
1113399513,38cyclictest6594-21chrt22:38:283
1113399513,38cyclictest6594-21chrt22:38:283
1113399513,35cyclictest14863-21taskset23:46:183
1113399513,33cyclictest15341-21chrt21:59:013
1113399512,35cyclictest13025-21chrt19:13:033
1113399512,31cyclictest13330-21taskset20:53:003
1113399503,38cyclictest24269-21chrt23:08:083
1113399503,37cyclictest20681-21taskset22:08:253
1113399503,36cyclictest24363-21taskset21:18:123
1113399503,36cyclictest24363-21taskset21:18:123
11133995033,10cyclictest451rcuc/300:13:353
1113399503,28cyclictest2730-21taskset22:33:013
1113399502,37cyclictest18204-21chrt23:52:183
1113399502,35cyclictest1349-21chrt21:34:293
1113399502,34cyclictest27231-21chrt22:18:383
1113399493,37cyclictest12873-21taskset00:37:183
1113399493,37cyclictest12873-21taskset00:37:183
1113399493,36cyclictest3486-21taskset23:27:543
1113399493,36cyclictest30488-21taskset22:24:223
1113399493,36cyclictest28483-21chrt23:13:593
1113399493,34cyclictest11917-21taskset22:48:093
1113399493,32cyclictest26419-21chrt00:05:073
1113399493,32cyclictest26419-21chrt00:05:073
1113399492,36cyclictest27356-21chrt21:23:103
35052483,12sleep30-21swapper/320:23:143
1113399483,36cyclictest25029-21chrt19:48:233
1113399483,35cyclictest17537-21chrt22:03:233
1113399483,35cyclictest17537-21chrt22:03:233
1113399483,33cyclictest19721-21chrt19:33:003
1113399483,32cyclictest24502-21taskset22:14:293
1113399483,32cyclictest16482-21taskset19:22:593
1113399483,32cyclictest10856-21chrt20:43:323
1113399483,31cyclictest22125-21taskset19:38:313
1113399482,34cyclictest12335-21taskset21:54:073
1113399482,34cyclictest12335-21taskset21:54:073
1113399473,31cyclictest4729-21chrt23:28:353
1113399464,30cyclictest15098-21chrt22:53:043
1113399463,34cyclictest22215-21chrt23:03:383
1113399463,34cyclictest22215-21chrt23:03:383
1113399463,33cyclictest7586-21chrt21:45:033
1113399463,33cyclictest6305-21chrt00:25:353
1113399463,33cyclictest6305-21chrt00:25:353
1113399463,33cyclictest14279-21chrt20:53:333
1113399463,30cyclictest11089-21chrt22:46:353
1113399462,35cyclictest1975-21chrt00:18:213
1113399462,35cyclictest10981-21taskset23:38:443
1113399462,35cyclictest10981-21taskset23:38:443
1113399462,30cyclictest2799-21chrt20:18:363
11133994417,21cyclictest0-21swapper/319:13:003
1113399432,33cyclictest28924-21taskset19:59:163
1113399432,33cyclictest28924-21taskset19:59:163
1113399423,30cyclictest29525-21taskset20:03:133
1113399423,30cyclictest29525-21taskset20:03:133
1113399423,28cyclictest27164-21chrt19:53:333
1113399383,25cyclictest17052-21chrt19:23:243
1113399373,25cyclictest20052-21taskset19:33:203
1113399372,25cyclictest16168-21taskset21:00:333
1113399372,25cyclictest16168-21taskset21:00:333
1113399362,25cyclictest23036-21taskset19:43:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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