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2026-03-02 - 06:27
[ 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 Mar 02, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
690921090,8sleep30-21swapper/321:31:223
690921090,8sleep30-21swapper/321:31:223
1479521079,67sleep114868-21ls19:01:251
1627199984,82cyclictest19986-21apt-get22:46:232
16269999466,19cyclictest28518-21latency_hist23:02:441
16269999466,19cyclictest28518-21latency_hist23:02:441
16269999365,19cyclictest544-21cron20:21:051
16263999265,19cyclictest8016-21kworker/u19:2+events_unbound00:16:050
1567429112,43sleep015762-21unixbench_singl19:01:530
16263999056,12cyclictest181rcu_preempt23:46:060
16269998862,18cyclictest23485-21latency_hist19:26:091
16271998755,25cyclictest1-21systemd22:26:432
16269998757,9cyclictest181rcu_preempt20:56:371
16269998757,9cyclictest181rcu_preempt20:56:371
16263998726,8cyclictest181rcu_preempt20:21:400
16269998655,10cyclictest181rcu_preempt21:41:151
16269998655,10cyclictest181rcu_preempt21:41:151
16271998558,18cyclictest12510-21sh21:41:072
16271998514,35cyclictest23608-21diskmemload22:42:462
16269998565,14cyclictest14722-21fschecks_time00:26:251
16269998560,9cyclictest181rcu_preempt23:29:181
16269998554,10cyclictest58-21kcompactd019:52:391
16269998538,8cyclictest181rcu_preempt19:17:131
16263998529,32cyclictest5272-21cpu23:16:200
16263998529,32cyclictest5272-21cpu23:16:200
1494428525,27sleep20-21swapper/219:01:302
16271998467,11cyclictest8197-21munin-run00:16:052
16271998458,19cyclictest352-21runrttasks21:46:392
16263998465,10cyclictest24440-21latency_hist22:01:070
16271998369,10cyclictest16252-21cyclictest22:16:152
16271998361,16cyclictest13798-21idleruntime-cro23:31:052
16271998359,17cyclictest28618-21/usr/sbin/munin23:02:362
16271998359,17cyclictest28618-21/usr/sbin/munin23:02:362
16271998340,30cyclictest0-21swapper/222:41:092
16269998324,12cyclictest301ktimers/122:21:491
16263998355,12cyclictest181rcu_preempt19:41:310
1626399832,54cyclictest20349-21apt-get19:16:380
1627199826,67cyclictest19676-21snmpd19:16:382
16271998213,28cyclictest0-21swapper/200:23:502
16269998246,8cyclictest181rcu_preempt23:31:251
16271998162,11cyclictest10408-21apt-get22:31:162
16271998136,34cyclictest31774-21latency_hist00:01:052
16271998136,34cyclictest31774-21latency_hist00:01:052
16269998148,7cyclictest181rcu_preempt23:44:081
16269998147,13cyclictest181rcu_preempt21:06:201
16269998144,11cyclictest181rcu_preempt23:21:201
16269998143,8cyclictest181rcu_preempt00:16:261
16269998139,9cyclictest0-21swapper/121:14:021
16269998135,37cyclictest20238-21cat19:16:101
16271998059,14cyclictest16252-21cyclictest21:28:542
16271998055,16cyclictest32128-21fschecks_count19:52:282
16269998046,9cyclictest181rcu_preempt20:35:051
16269998045,10cyclictest181rcu_preempt20:15:171
16269998032,8cyclictest181rcu_preempt21:31:381
16269998032,8cyclictest181rcu_preempt21:31:381
16263998058,15cyclictest26027-21latency_hist23:51:090
16263998051,22cyclictest24163-21fschecks_count21:06:250
1626399802,27cyclictest17251-21cpuspeed20:46:220
1627199794,58cyclictest329-21grep23:06:442
16271997918,26cyclictest25174-21sh22:55:042
16271997918,26cyclictest25174-21sh22:55:042
16269997951,20cyclictest19431-21latency20:52:041
16269997941,10cyclictest181rcu_preempt00:36:071
16269997938,8cyclictest181rcu_preempt22:31:291
16263997956,16cyclictest16252-21cyclictest00:16:260
16271997844,27cyclictest87-21kswapd023:31:282
16271997818,24cyclictest26938-21taskset21:11:192
16269997843,8cyclictest181rcu_preempt23:19:221
16269997843,8cyclictest181rcu_preempt23:19:221
16269997841,9cyclictest181rcu_preempt20:41:231
16263997857,15cyclictest23608-21diskmemload22:36:580
16263997845,11cyclictest181rcu_preempt20:56:210
16263997845,11cyclictest181rcu_preempt20:56:210
16263997843,9cyclictest181rcu_preempt19:26:210
16263997841,13cyclictest181rcu_preempt23:31:340
16263997828,27cyclictest4803-21cstates22:21:520
16271997758,13cyclictest23608-21diskmemload22:11:342
16271997717,27cyclictest30175-21fschecks_count21:16:262
16271997717,27cyclictest30175-21fschecks_count21:16:262
16269997745,13cyclictest181rcu_preempt23:11:081
16269997741,10cyclictest181rcu_preempt00:06:371
16269997739,7cyclictest181rcu_preempt20:08:451
16269997739,7cyclictest181rcu_preempt20:08:451
16269997735,17cyclictest365-21ntpd19:46:331
16269997732,15cyclictest181rcu_preempt22:16:501
16263997749,12cyclictest181rcu_preempt19:11:240
16263997737,26cyclictest2257-21ssh21:23:010
1626399773,31cyclictest23485-21ntp_kernel_pll_22:51:340
1626399773,31cyclictest23485-21ntp_kernel_pll_22:51:340
1627199769,52cyclictest22891-21munin-plugin-st23:46:052
16271997653,14cyclictest10576-21latency_hist20:26:082
16271997613,30cyclictest17957-21grep00:31:322
16269997654,8cyclictest181rcu_preempt22:51:151
16269997654,8cyclictest181rcu_preempt22:51:151
16269997647,8cyclictest733-21sshd00:01:441
16269997643,8cyclictest181rcu_preempt22:41:411
16269997643,10cyclictest181rcu_preempt19:06:411
16269997640,8cyclictest181rcu_preempt21:20:201
16269997640,8cyclictest181rcu_preempt21:20:201
16263997649,11cyclictest181rcu_preempt22:58:070
16263997649,11cyclictest181rcu_preempt22:58:070
16263997649,11cyclictest181rcu_preempt19:21:330
16263997647,23cyclictest16877-21ssh22:41:290
16263997647,20cyclictest27718-21switchtime21:11:390
16263997644,13cyclictest181rcu_preempt21:31:290
16263997644,13cyclictest181rcu_preempt21:31:290
1626399763,39cyclictest15-21ksoftirqd/021:42:460
1626399763,39cyclictest15-21ksoftirqd/021:42:460
16271997559,11cyclictest28842-40mandb23:56:062
16271997559,10cyclictest5298-21ntp_offset22:22:082
16271997552,17cyclictest297-21systemd-logind21:01:052
16271997552,17cyclictest297-21systemd-logind21:01:052
16271997551,18cyclictest2279-21sh21:23:062
16271997512,27cyclictest0-21swapper/200:05:582
16269997544,8cyclictest181rcu_preempt22:13:051
16269997536,14cyclictest17876-21ssh23:36:331
16269997535,15cyclictest181rcu_preempt20:51:091
16263997554,14cyclictest16252-21cyclictest22:06:590
16263997536,11cyclictest181rcu_preempt20:11:350
1626399753,50cyclictest14040-21wc20:36:220
16263997529,34cyclictest15343-21timerandwakeup00:26:390
1626399752,35cyclictest1-21systemd23:56:060
16271997454,15cyclictest16252-21cyclictest20:11:072
16271997454,15cyclictest16252-21cyclictest20:11:072
16271997450,17cyclictest0-21swapper/220:01:282
16271997450,17cyclictest0-21swapper/220:01:282
16271997417,27cyclictest19353-21runrttasks21:51:362
16271997417,27cyclictest19353-21runrttasks21:51:362
16271997417,26cyclictest0-21swapper/223:39:392
16271997416,24cyclictest4298-21chrt23:14:212
16271997414,24cyclictest0-21swapper/223:50:102
16271997410,27cyclictest0-21swapper/222:01:362
16271997410,27cyclictest0-21swapper/222:01:362
16269997440,8cyclictest181rcu_preempt21:56:201
16263997449,12cyclictest16252-21cyclictest21:38:020
16263997443,11cyclictest181rcu_preempt22:31:520
16263997414,12cyclictest29906-21mailstats23:56:400
16263997414,12cyclictest29906-21mailstats23:56:400
16271997352,15cyclictest23214-21unixbench_singl21:01:422
16271997351,16cyclictest22850-21unixbench_multi19:21:422
1627199734,46cyclictest352-21runrttasks20:18:582
16271997335,26cyclictest28412-21apt-get19:41:212
16271997318,25cyclictest18027-21munin-node19:11:162
16271997312,28cyclictest0-21swapper/221:43:102
16271997312,28cyclictest0-21swapper/221:43:102
16269997351,16cyclictest297-21systemd-logind19:36:061
16269997342,9cyclictest181rcu_preempt21:25:181
16269997339,8cyclictest23608-21diskmemload22:02:581
16269997339,8cyclictest23608-21diskmemload22:02:581
16269997334,11cyclictest181rcu_preempt23:46:271
16263997353,14cyclictest5707-21latency_hist20:11:080
16263997353,14cyclictest5707-21latency_hist20:11:080
16263997321,12cyclictest181rcu_preempt00:36:040
16271997252,13cyclictest22004-21fschecks_count21:56:272
16271997212,47cyclictest19011-21apt-get20:51:252
16269997245,11cyclictest181rcu_preempt19:40:301
16269997241,8cyclictest181rcu_preempt22:06:161
16269997227,12cyclictest181rcu_preempt23:56:181
16269997227,12cyclictest181rcu_preempt23:56:181
1626999722,32cyclictest16256-21munin-run22:41:061
16263997252,15cyclictest20326-21fschecks_count22:46:520
16263997251,15cyclictest871-21idleruntime-cro22:16:050
16263997246,18cyclictest1-21systemd00:04:460
16263997238,11cyclictest181rcu_preempt22:20:220
16263997237,8cyclictest181rcu_preempt20:16:290
1627199716,47cyclictest9336-21switchtime00:16:392
1627199716,26cyclictest2011-21users19:56:432
16271997153,12cyclictest365-21ntpd23:02:502
16271997151,15cyclictest16252-21cyclictest21:06:392
16271997150,14cyclictest23608-21diskmemload23:22:382
1627199714,33cyclictest28551-21ssh22:06:412
1627199713,51cyclictest6119-21fschecks_time20:11:292
16271997126,36cyclictest17760-21cron19:11:052
16271997111,28cyclictest0-21swapper/200:26:382
16269997148,8cyclictest181rcu_preempt20:06:071
16269997148,8cyclictest181rcu_preempt20:06:071
16269997137,13cyclictest181rcu_preempt20:21:311
16269997133,8cyclictest181rcu_preempt23:02:551
16263997149,8cyclictest19376-21kworker/u17:0+xprtiod00:06:330
16263997149,15cyclictest2498-21cut23:11:250
16263997147,16cyclictest200-21systemd-journal21:27:360
16263997133,15cyclictest17200-21timerandwakeup19:06:400
16263997125,32cyclictest904-21latency_hist19:56:080
16271997054,10cyclictest18140-21unixbench_singl20:46:412
16271997053,11cyclictest9483-21sendmail21:36:052
16271997053,11cyclictest9483-21sendmail21:36:052
16271997042,19cyclictest12676-21kernelversion20:31:302
16271997013,25cyclictest11056-21irqstats20:26:302
16269997045,8cyclictest181rcu_preempt22:26:201
16269997042,8cyclictest181rcu_preempt19:26:361
16269997042,7cyclictest181rcu_preempt19:56:501
16269997040,11cyclictest181rcu_preempt23:12:471
16269997039,7cyclictest181rcu_preempt00:22:221
16269997036,16cyclictest181rcu_preempt00:13:001
16269997033,26cyclictest21483-21cat21:56:071
16269997033,26cyclictest21483-21cat21:56:071
16269997019,18cyclictest22313-21cpuspeed21:01:231
16263997050,10cyclictest0-21swapper/019:46:390
16263997043,11cyclictest181rcu_preempt21:19:360
16263997043,11cyclictest181rcu_preempt21:19:360
16263997040,11cyclictest181rcu_preempt21:56:080
16263997040,11cyclictest181rcu_preempt21:56:080
1626399703,34cyclictest9060-21timerandwakeup23:21:400
16263997020,11cyclictest181rcu_preempt21:51:070
16269996928,7cyclictest181rcu_preempt23:51:151
1626399695,42cyclictest16903-21apt20:46:050
16263996946,13cyclictest25028-21rm22:01:280
16263996946,13cyclictest25028-21rm22:01:280
16263996936,8cyclictest9103-21rm22:28:160
16263996936,13cyclictest181rcu_preempt20:52:110
1626399693,37cyclictest352-21runrttasks20:32:460
1626399693,33cyclictest2926-21fschecks_time20:01:290
1626399693,33cyclictest2926-21fschecks_time20:01:290
16263996926,31cyclictest26702-21cat19:36:090
1627199684,41cyclictest28328-21latency_hist19:41:092
16269996847,7cyclictest181rcu_preempt22:47:021
16269996845,17cyclictest0-21swapper/121:26:341
16269996841,8cyclictest181rcu_preempt19:41:221
16263996848,11cyclictest13321-21ssh23:29:460
16263996839,17cyclictest181rcu_preempt23:36:400
1627199674,35cyclictest25369-21fschecks_count19:31:252
1627199673,45cyclictest23832-21fschecks_time19:26:312
16269996729,17cyclictest181rcu_preempt21:41:011
16269996722,23cyclictest14122-21fschecks_count20:36:261
1627899665,31cyclictest0-21swapper/323:31:303
16271996642,17cyclictest16457-21unixbench_multi20:41:412
1627199663,40cyclictest13929-21/usr/sbin/munin20:36:282
16269996622,32cyclictest16595-21cat21:46:391
16263996648,12cyclictest300-21rs:main0
16263996643,12cyclictest0-21swapper/020:26:390
1627199653,45cyclictest31681-21latency_hist19:51:092
16263996546,7cyclictest181rcu_preempt19:36:290
16263996539,7cyclictest181rcu_preempt21:01:530
16263996530,12cyclictest0-21swapper/023:05:040
16263996518,15cyclictest0-21swapper/019:56:330
1627199644,42cyclictest3486-21timerandwakeup00:06:402
16271996417,32cyclictest5758-21ssh23:16:312
16271996417,32cyclictest5758-21ssh23:16:312
16269996442,15cyclictest298-21in:imuxsock20:26:221
16263996428,9cyclictest181rcu_preempt00:26:060
16278995810,33cyclictest3910-21chrt21:26:193
1627899553,41cyclictest17348-21taskset22:42:333
1627899553,38cyclictest9840-21chrt21:36:203
1627899553,37cyclictest31834-21taskset19:51:103
1627899553,36cyclictest1021-21chrt19:56:163
1627899552,35cyclictest18092-21taskset19:11:133
1627899544,39cyclictest861-21chrt22:16:053
1627899543,40cyclictest3231-21chrt22:18:563
1627899543,39cyclictest24508-21chrt21:06:333
1627899543,38cyclictest3166-21chrt00:06:333
1627899543,38cyclictest17304-21chrt00:31:083
1627899542,36cyclictest18589-21chrt21:51:083
16278995416,21cyclictest0-21swapper/323:26:043
1627899534,36cyclictest11279-21taskset00:21:073
1627899533,37cyclictest29848-21chrt19:46:083
1627899533,36cyclictest7446-21chrt20:16:093
1627899533,35cyclictest19543-21taskset21:51:413
1627899533,35cyclictest19543-21taskset21:51:413
1627899524,28cyclictest0-21swapper/321:22:043
16278995239,8cyclictest451rcuc/323:45:223
1627899523,40cyclictest21911-21taskset22:49:093
1627899523,39cyclictest22252-21chrt21:56:313
1627899523,39cyclictest20956-21taskset19:17:093
1627899523,37cyclictest25643-21chrt19:31:303
1627899523,37cyclictest15829-21chrt20:41:283
1627899523,36cyclictest7147-21taskset22:26:053
1627899523,36cyclictest5835-21chrt00:11:273
1627899523,36cyclictest0-21swapper/322:36:243
1627899522,41cyclictest7385-21taskset23:19:413
1627899522,41cyclictest7385-21taskset23:19:413
1627899522,40cyclictest25176-21chrt23:49:143
1627899522,39cyclictest14038-21chrt20:36:223
16278995139,8cyclictest451rcuc/322:32:553
1627899513,37cyclictest4250-21taskset20:06:173
1627899513,37cyclictest4250-21taskset20:06:173
1627899513,36cyclictest21180-21chrt20:56:363
1627899513,36cyclictest21180-21chrt20:56:363
1627899513,36cyclictest10677-21chrt20:26:093
1627899513,34cyclictest26343-21chrt23:51:253
1627899512,36cyclictest30486-21chrt23:57:253
1627899512,36cyclictest30486-21chrt23:57:253
1627899512,35cyclictest5155-21chrt23:16:093
1627899512,35cyclictest26675-21chrt22:56:393
1627899512,35cyclictest26675-21chrt22:56:393
1627899512,34cyclictest24741-21chrt22:01:223
1627899512,34cyclictest24741-21chrt22:01:223
1627899503,35cyclictest30354-21chrt21:16:303
1627899503,35cyclictest30354-21chrt21:16:303
1627899503,35cyclictest2657-21chrt20:01:233
1627899503,35cyclictest2657-21chrt20:01:233
1627899503,35cyclictest11720-21taskset23:26:343
1627899503,33cyclictest31582-21chrt23:06:083
1627899502,37cyclictest19126-21taskset20:51:543
1627899494,34cyclictest8888-21chrt22:27:393
1627899493,35cyclictest32061-21taskset23:06:283
1627899493,33cyclictest28012-21chrt22:06:283
1627899493,32cyclictest14448-21taskset21:43:183
1627899493,32cyclictest14448-21taskset21:43:183
1627899492,36cyclictest23270-21taskset22:51:293
1627899492,36cyclictest23270-21taskset22:51:293
1627899492,35cyclictest19492-21chrt00:34:323
1627899492,34cyclictest12579-21chrt20:31:283
1627899492,33cyclictest10795-21chrt20:26:213
1627899484,30cyclictest23756-21chrt21:06:083
1627899483,32cyclictest28293-21chrt21:12:283
1627899483,32cyclictest23765-21chrt19:26:283
1627899483,31cyclictest23376-21chrt19:26:083
1627899483,30cyclictest2499-21chrt00:06:083
161532489,23sleep30-21swapper/319:06:083
1627899473,30cyclictest18338-21chrt23:36:413
1627899443,29cyclictest27417-21chrt19:36:363
16278994431,8cyclictest451rcuc/319:10:173
1627899442,29cyclictest30609-21chrt19:46:373
1627899432,28cyclictest8208-21chrt20:16:373
1627899413,29cyclictest12107-21taskset00:21:363
1627899393,25cyclictest17141-21taskset20:46:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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