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2026-02-21 - 11:39
[ 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 Sat Feb 21, 2026 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19930215110,95sleep019373-21/usr/sbin/munin19:02:180
19564213513,80sleep119620-21sort19:02:071
210149912448,68cyclictest0-21swapper/023:37:090
20864212411,78sleep220867-21apt-key19:06:452
210149912247,11cyclictest0-21swapper/022:51:440
210149911951,8cyclictest0-21swapper/000:27:140
210149911250,12cyclictest28959-21unixbench_singl23:52:470
210379910948,54cyclictest27765-21diskmemload00:07:151
210379910948,54cyclictest27765-21diskmemload00:07:151
210379910253,42cyclictest0-21swapper/100:31:421
210379910139,12cyclictest0-21swapper/100:17:141
210379910139,12cyclictest0-21swapper/100:17:141
221992980,6sleep30-21swapper/323:42:063
21037999820,32cyclictest458-21diskmemload21:13:591
21041999751,11cyclictest13741-21fschecks_count21:37:032
21037999645,14cyclictest10499-21sh22:26:531
21037999645,14cyclictest10499-21sh22:26:531
21037999538,7cyclictest0-21swapper/119:46:441
21037999538,7cyclictest0-21swapper/119:46:441
2104799946,53cyclictest0-21swapper/323:52:033
21037999447,39cyclictest0-21swapper/123:21:571
21037999242,11cyclictest5057-21if_eth021:22:041
21037999242,11cyclictest5057-21if_eth021:22:041
21014999268,15cyclictest25615-21ntp_offset22:52:100
21014999170,14cyclictest300-21rs:main0
21041998945,19cyclictest352-21runrttasks21:47:432
21041998945,19cyclictest352-21runrttasks21:47:432
21037998939,12cyclictest28019-21latency_hist19:26:441
21014998959,20cyclictest24865-21latency_hist19:16:450
21014998959,20cyclictest24865-21latency_hist19:16:450
21037998843,11cyclictest181rcu_preempt22:25:301
21014998855,12cyclictest181rcu_preempt22:17:370
21037998742,32cyclictest20563-21grep20:42:141
21041998645,16cyclictest0-21swapper/219:54:432
2104799849,48cyclictest0-21swapper/321:47:153
2104799849,48cyclictest0-21swapper/321:47:153
21037998459,19cyclictest30410-21mailstats19:32:141
21014998467,11cyclictest12692-21ssh23:26:430
21037998236,8cyclictest181rcu_preempt20:12:161
2104799812,62cyclictest31332-21taskset22:06:563
21041998139,16cyclictest58-21kcompactd023:03:032
21041998139,16cyclictest58-21kcompactd023:03:032
21041998138,27cyclictest27414-21timerwakeupswit19:22:162
21037998157,17cyclictest13986-21awk00:23:021
21037998157,17cyclictest13986-21awk00:23:021
21037998124,20cyclictest27765-21diskmemload23:42:101
21014998162,9cyclictest0-21swapper/023:32:130
1967828119,33sleep30-21swapper/319:02:093
21041997954,10cyclictest181rcu_preempt22:31:342
21041997954,10cyclictest181rcu_preempt22:31:342
21037997950,19cyclictest1-21systemd23:18:371
21014997958,14cyclictest27765-21diskmemload21:57:060
21014997956,11cyclictest0-21swapper/020:11:440
21014997956,11cyclictest0-21swapper/020:11:440
21014997941,9cyclictest181rcu_preempt22:36:510
21041997859,9cyclictest0-21swapper/220:27:052
21041997859,9cyclictest0-21swapper/220:27:052
21041997841,18cyclictest58-21kcompactd000:19:452
21041997841,18cyclictest58-21kcompactd000:19:452
21037997859,11cyclictest0-21swapper/123:56:461
21037997853,19cyclictest22831-21latency_hist19:11:451
21014997841,7cyclictest181rcu_preempt22:31:510
21014997837,7cyclictest181rcu_preempt23:47:020
21041997762,8cyclictest0-21swapper/221:17:142
21041997759,11cyclictest5743-21unixbench_singl21:22:172
21041997759,11cyclictest5743-21unixbench_singl21:22:172
21041997758,9cyclictest0-21swapper/222:42:172
21041997749,19cyclictest6758-21modprobe20:01:412
21041997739,8cyclictest181rcu_preempt00:22:402
21041997739,8cyclictest181rcu_preempt00:22:402
21037997754,17cyclictest20984-21cyclictest20:17:071
21037997747,9cyclictest181rcu_preempt21:21:451
21014997762,8cyclictest0-21swapper/021:22:190
21014997762,8cyclictest0-21swapper/021:22:190
21014997755,13cyclictest0-21swapper/020:16:440
21014997755,12cyclictest0-21swapper/021:02:170
21041997635,7cyclictest181rcu_preempt23:41:532
21014997662,7cyclictest0-21swapper/021:31:570
21014997655,8cyclictest181rcu_preempt23:42:000
21014997648,21cyclictest8610-21kworker/u17:2+nfsiod00:16:440
21014997648,21cyclictest8610-21kworker/u17:2+nfsiod00:16:440
21014997647,7cyclictest181rcu_preempt00:01:430
21014997647,7cyclictest181rcu_preempt00:01:430
21014997636,17cyclictest0-21swapper/020:47:050
21014997558,11cyclictest277-21dbus-daemon21:41:420
21014997558,10cyclictest0-21swapper/021:27:170
21014997555,12cyclictest0-21swapper/019:41:570
21014997555,12cyclictest0-21swapper/019:41:570
21014997529,8cyclictest181rcu_preempt22:57:170
58642740,7sleep30-21swapper/319:57:073
21041997457,12cyclictest200-21systemd-journal21:42:372
21041997457,12cyclictest200-21systemd-journal21:42:372
21041997447,18cyclictest21292-21latency_hist00:36:442
21041997433,11cyclictest181rcu_preempt21:56:542
21037997446,20cyclictest28616-21netstat21:07:081
21037997442,7cyclictest181rcu_preempt23:07:031
21014997459,9cyclictest12556-21apt-key00:21:420
21014997459,9cyclictest12556-21apt-key00:21:420
21014997453,15cyclictest0-21swapper/019:27:170
21014997447,7cyclictest181rcu_preempt23:21:430
21014997444,7cyclictest181rcu_preempt21:55:210
21014997435,12cyclictest32206-21timerandwakeup22:07:160
21047997316,38cyclictest0-21swapper/321:11:583
21037997338,12cyclictest181rcu_preempt22:16:501
21014997357,8cyclictest0-21swapper/020:21:580
21014997356,9cyclictest0-21swapper/020:41:440
21014997348,7cyclictest181rcu_preempt19:36:450
21041997256,8cyclictest0-21swapper/200:02:032
21041997254,9cyclictest0-21swapper/220:37:172
21041997253,12cyclictest1424-21systemctl21:16:412
21037997253,12cyclictest365-21ntpd22:00:121
21037997251,16cyclictest20984-21cyclictest19:16:441
21037997251,16cyclictest20984-21cyclictest19:16:441
21037997251,13cyclictest297-21systemd-logind21:46:431
21037997251,13cyclictest297-21systemd-logind21:46:431
21037997248,17cyclictest6802-21latency_hist20:01:431
21037997248,15cyclictest13353-21latency_hist21:36:451
21037997242,22cyclictest23019-21latency_hist20:51:441
21037997239,7cyclictest181rcu_preempt23:31:221
21014997252,14cyclictest26312-21idleruntime-cro19:21:410
21014997243,7cyclictest181rcu_preempt22:41:560
21014997232,8cyclictest0-21swapper/023:02:150
21014997232,8cyclictest0-21swapper/023:02:150
21041997156,10cyclictest20984-21cyclictest22:02:002
21041997148,7cyclictest181rcu_preempt21:36:322
21014997155,10cyclictest0-21swapper/019:07:370
21014997151,14cyclictest30787-21apt-key21:11:430
21014997150,12cyclictest0-21swapper/021:01:430
21014997150,12cyclictest0-21swapper/021:01:430
21014997146,18cyclictest9692-21kworker/u17:1+nfsiod22:26:200
21014997140,9cyclictest181rcu_preempt21:46:420
21014997140,9cyclictest181rcu_preempt21:46:420
21014997132,7cyclictest181rcu_preempt23:28:130
21041997053,11cyclictest4216-21awk00:06:582
21041997053,11cyclictest4216-21awk00:06:582
21041997040,21cyclictest6797-21cron23:16:402
21041997040,21cyclictest6797-21cron23:16:402
21037997050,14cyclictest27765-21diskmemload22:34:361
21037997048,13cyclictest200-21systemd-journal00:14:371
21037997048,13cyclictest200-21systemd-journal00:14:371
21037997041,19cyclictest27809-21latency_hist22:56:441
21037997037,12cyclictest181rcu_preempt19:41:441
21014997055,9cyclictest0-21swapper/020:17:060
21014997031,7cyclictest181rcu_preempt20:42:030
2104799695,40cyclictest0-21swapper/322:41:413
21041996953,8cyclictest0-21swapper/223:32:172
21041996953,10cyclictest25464-21timerandwakeup23:47:152
21041996952,11cyclictest10210-21systemd-run22:26:412
21041996951,11cyclictest1-21systemd21:27:292
21041996946,17cyclictest4940-21fschecks_count22:17:012
21037996951,11cyclictest19772-21unixbench_singl00:32:191
21037996948,12cyclictest0-21swapper/120:11:401
21037996948,12cyclictest0-21swapper/120:11:401
21037996945,15cyclictest1959-21sh22:12:001
21037996943,18cyclictest24940-21idleruntime23:47:031
21037996939,7cyclictest181rcu_preempt20:36:581
21037996939,22cyclictest27161-21threads21:02:161
21014996955,7cyclictest0-21swapper/022:31:450
21014996955,7cyclictest0-21swapper/022:31:450
21014996954,8cyclictest0-21swapper/000:11:420
21014996954,8cyclictest0-21swapper/000:11:420
21014996953,11cyclictest0-21swapper/023:12:140
21014996953,11cyclictest0-21swapper/023:12:140
2104799683,51cyclictest25315-21taskset19:17:063
2104799682,52cyclictest21948-21taskset22:46:433
2104799682,50cyclictest4602-21chrt22:16:453
2104799682,48cyclictest15818-21chrt00:26:503
21041996852,9cyclictest0-21swapper/223:27:132
21041996848,14cyclictest10565-21needreboot23:22:072
2104199683,46cyclictest29724-21ssh22:59:192
21037996849,13cyclictest8287-21ssh21:27:141
21037996848,12cyclictest0-21swapper/122:57:141
21037996847,15cyclictest16907-21fschecks_count20:32:011
21037996847,12cyclictest0-21swapper/122:45:551
21037996838,11cyclictest181rcu_preempt22:10:111
21037996815,19cyclictest0-21swapper/121:47:551
21037996815,19cyclictest0-21swapper/121:47:551
21014996848,10cyclictest0-21swapper/019:41:440
21014996835,14cyclictest0-21swapper/020:27:050
21014996835,14cyclictest0-21swapper/020:27:050
21041996752,8cyclictest0-21swapper/219:12:212
21041996752,8cyclictest0-21swapper/219:12:212
21041996751,10cyclictest18842-21cpu23:36:572
21041996748,13cyclictest1057-21latency_hist00:01:442
21041996748,13cyclictest1057-21latency_hist00:01:442
21037996749,13cyclictest31098-21fschecks_count23:02:021
21037996749,13cyclictest31098-21fschecks_count23:02:021
21037996726,18cyclictest20984-21cyclictest19:52:021
21014996750,11cyclictest32030-21ntp_kernel_err21:12:510
2104799663,50cyclictest3089-21chrt23:09:203
2104799663,48cyclictest16101-21chrt20:27:293
2104799663,48cyclictest16101-21chrt20:27:293
2104799662,51cyclictest21423-21taskset23:41:423
2104799662,49cyclictest20159-21chrt00:33:193
21041996650,11cyclictest10748-21ntp_kernel_pll_20:12:092
21037996649,11cyclictest200-21systemd-journal20:25:371
21037996649,11cyclictest16670-21switchtime23:32:151
21037996642,18cyclictest23916-21threads20:52:151
21037996639,19cyclictest352-21runrttasks23:57:381
21037996639,19cyclictest352-21runrttasks23:57:381
21014996650,10cyclictest365-21ntpd00:02:090
21014996647,13cyclictest21292-21latency_hist00:36:440
21014996643,17cyclictest28655-21fschecks_count22:02:020
21014996642,10cyclictest0-21swapper/021:47:130
21014996642,10cyclictest0-21swapper/021:47:130
21014996636,13cyclictest181rcu_preempt22:15:420
21014996631,14cyclictest0-21swapper/020:36:440
2104799653,48cyclictest11576-21chrt22:27:183
2104799653,48cyclictest11576-21chrt22:27:183
2104799652,48cyclictest2990-21chrt00:04:203
21041996549,10cyclictest1722-21ssh23:07:062
21037996529,7cyclictest181rcu_preempt00:06:441
21014996553,7cyclictest0-21swapper/019:22:060
21014996547,8cyclictest0-21swapper/019:52:040
21014996546,11cyclictest0-21swapper/021:16:580
21014996541,18cyclictest1722-21ssh23:07:060
21014996526,15cyclictest15-21ksoftirqd/019:46:580
2104799644,45cyclictest27620-21chrt21:05:113
2104799643,48cyclictest1865-21chrt19:46:183
2104799643,48cyclictest1865-21chrt19:46:183
2104799643,46cyclictest8237-21chrt21:27:123
2104799642,50cyclictest11631-21chrt23:23:433
2104799642,48cyclictest8916-21chrt00:14:503
2104799642,48cyclictest8916-21chrt00:14:503
2104799642,48cyclictest5567-21taskset00:08:263
2104799642,48cyclictest5567-21taskset00:08:263
2104799642,48cyclictest29459-21chrt21:08:073
2104799642,48cyclictest29128-21taskset22:57:333
2104799642,48cyclictest23969-21taskset21:53:183
2104799642,48cyclictest23486-21taskset19:12:043
2104799642,48cyclictest23486-21taskset19:12:043
21041996446,12cyclictest22665-21systemd-run19:11:422
21041996444,14cyclictest27331-21grep21:02:172
21041996436,19cyclictest25613-21cut19:17:142
21037996441,15cyclictest20984-21cyclictest23:11:501
21037996441,15cyclictest20984-21cyclictest23:11:501
2103799644,10cyclictest15101-21apt-get20:26:551
2103799644,10cyclictest15101-21apt-get20:26:551
21037996425,21cyclictest29644-21latency_hist19:31:441
21037996422,22cyclictest0-21swapper/122:01:571
21014996449,7cyclictest0-21swapper/020:02:170
21014996446,12cyclictest24560-21sh20:56:420
21014996437,20cyclictest0-21swapper/000:21:570
21014996437,20cyclictest0-21swapper/000:21:570
2104799633,48cyclictest26295-21chrt23:49:033
2104799633,47cyclictest17894-21chrt23:35:053
2104799632,49cyclictest10644-21chrt20:12:063
2104799632,48cyclictest27162-21chrt21:58:583
2104799632,48cyclictest25317-21chrt20:57:093
2104799632,48cyclictest25317-21chrt20:57:093
2104799632,47cyclictest3233-21chrt19:48:123
2104799632,47cyclictest17702-21taskset20:32:273
2104799632,47cyclictest14102-21taskset20:22:143
21047996316,36cyclictest0-21swapper/323:56:473
21047996316,36cyclictest0-21swapper/323:56:473
2104199639,24cyclictest39-21ksoftirqd/220:56:452
21041996345,12cyclictest27765-21diskmemload23:17:042
21041996345,10cyclictest13694-21ssh22:32:022
21037996336,7cyclictest181rcu_preempt22:47:261
2104799623,46cyclictest4779-21taskset19:52:253
2104799623,46cyclictest31084-21chrt19:36:223
2104799623,46cyclictest20331-21chrt20:42:073
2104799622,48cyclictest7927-21chrt22:22:033
2104799622,48cyclictest32532-21chrt23:04:023
2104799622,48cyclictest32532-21chrt23:04:023
2104799622,48cyclictest27448-21chrt22:56:153
2104799622,48cyclictest15260-21chrt22:34:363
2104799622,47cyclictest4841-21taskset21:21:583
2104799622,47cyclictest4841-21taskset21:21:583
2104799622,47cyclictest29337-21chrt19:29:293
2104799622,47cyclictest14638-21chrt00:24:033
2104799622,47cyclictest14638-21chrt00:24:033
2104799622,47cyclictest14194-21taskset23:27:443
2104799622,47cyclictest12318-21taskset00:21:233
2104799622,47cyclictest12318-21taskset00:21:233
21041996248,8cyclictest17294-21timerwakeupswit22:37:162
21041996247,8cyclictest0-21swapper/222:47:152
21041996244,11cyclictest365-21ntpd23:52:382
21041996234,20cyclictest9962-21cron20:11:402
21041996234,20cyclictest9962-21cron20:11:402
21041996233,20cyclictest26129-21cron21:01:402
21041996233,20cyclictest26129-21cron21:01:402
2104199622,34cyclictest352-21runrttasks19:46:542
21037996245,11cyclictest200-21systemd-journal21:54:371
21037996245,11cyclictest16296-21/usr/sbin/munin22:37:151
21037996240,15cyclictest20984-21cyclictest20:02:181
21037996228,11cyclictest181rcu_preempt19:47:061
21037996220,33cyclictest25969-21sshd20:59:361
21037996220,33cyclictest25969-21sshd20:59:361
2104799613,46cyclictest8270-21chrt23:17:233
2104799613,46cyclictest22462-21chrt22:47:043
2104799613,45cyclictest7373-21chrt20:02:053
2104799613,45cyclictest19533-21chrt20:40:003
2104799613,44cyclictest31397-21chrt19:36:503
2104799612,47cyclictest2944-21chrt21:17:363
2104799612,47cyclictest18487-21chrt21:45:073
2104799612,47cyclictest18487-21chrt21:45:073
2104799612,46cyclictest26913-21chrt19:22:043
2104799612,46cyclictest24364-21taskset20:55:033
2104799612,46cyclictest22614-21chrt19:11:393
2104799612,46cyclictest14729-21taskset21:37:423
2104799612,46cyclictest11895-21chrt20:16:563
2104799612,45cyclictest9645-21taskset20:07:363
2104799612,45cyclictest9645-21taskset20:07:363
21041996145,10cyclictest31726-21ssh22:07:062
21041996140,15cyclictest28932-21sh21:07:172
2104799603,45cyclictest22660-21chrt20:48:473
2104799603,45cyclictest11628-21chrt21:32:193
2104799602,46cyclictest28429-21chrt22:01:543
21037996038,16cyclictest25233-21fschecks_time19:17:041
21037996031,7cyclictest181rcu_preempt21:37:251
21037996023,7cyclictest181rcu_preempt23:40:221
2104799592,48cyclictest5815-21chrt22:17:213
2104799592,46cyclictest5500-21chrt23:12:533
2104799592,46cyclictest5500-21chrt23:12:533
21041995943,10cyclictest17194-21ntp_kernel_pll_20:32:082
21041995937,12cyclictest0-21swapper/221:53:062
2104199593,45cyclictest11887-21apt-get20:16:542
21041995844,10cyclictest20984-21cyclictest20:51:422
21041995842,11cyclictest20424-21ntp_kernel_err20:42:092
21041995842,10cyclictest7011-21/usr/sbin/munin20:02:152
21041995841,11cyclictest1893-21cstates22:11:562
21041995745,8cyclictest11454-21kworker/u18:1-rpciod00:31:262
2104199559,31cyclictest8823-21ssh00:14:342
2104199559,31cyclictest8823-21ssh00:14:342
21041995541,10cyclictest20984-21cyclictest19:32:162
21041995539,9cyclictest27765-21diskmemload22:51:582
21041995441,9cyclictest29336-21kworker/u17:3-xprtiod19:44:342
21041995441,9cyclictest29336-21kworker/u17:3-xprtiod19:44:342
21041995438,8cyclictest0-21swapper/219:26:522
2104199534,34cyclictest14669-21runrttasks20:24:442
21041995326,20cyclictest31685-21fschecks_time19:37:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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