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2026-01-25 - 04:57
[ 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 highest latencies:
System rackbslot7.osadl.org (updated Sun Jan 25, 2026 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22173991023,12cyclictest30649-21apt-get22:03:462
221739910179,12cyclictest0-21swapper/222:36:552
221739910152,42cyclictest0-21swapper/222:38:492
221739910152,42cyclictest0-21swapper/222:38:492
22166991014,44cyclictest23265-21grep19:09:041
221669910037,9cyclictest0-21swapper/122:09:031
221669910035,11cyclictest0-21swapper/120:28:501
221669910035,11cyclictest0-21swapper/120:28:501
22173999975,18cyclictest14777-21apt-key20:23:322
2217399993,56cyclictest1344-21idleruntime-cro19:43:282
22166999822,32cyclictest12545-21sh21:33:451
22173999743,47cyclictest1617-21ssh23:03:322
22173999728,8cyclictest0-21swapper/223:14:452
22166999778,11cyclictest11011-21fschecks_time23:18:491
2216699973,40cyclictest22013-21latency_hist19:08:331
22173999535,8cyclictest0-21swapper/220:24:522
22173999535,8cyclictest0-21swapper/220:24:522
22173999533,55cyclictest24232-21ssh00:34:032
22156999541,36cyclictest15-21ksoftirqd/023:40:350
2217399943,41cyclictest9047-21chmod21:28:302
22173999345,41cyclictest18096-21open_files00:24:022
2217399933,29cyclictest24837-21modprobe22:48:272
2217399932,33cyclictest4038-21wc21:19:012
22166999340,8cyclictest0-21swapper/121:54:081
22166999340,8cyclictest0-21swapper/121:54:081
2217399924,36cyclictest3380-21diskmemload23:59:082
2217399924,36cyclictest3380-21diskmemload23:59:082
22173999220,28cyclictest17350-21rm23:28:592
2216699923,39cyclictest11812-21fschecks_time20:14:081
22166999229,15cyclictest0-21swapper/121:18:521
218372926,67sleep00-21swapper/019:06:230
2217399919,63cyclictest11522-21apt-get20:13:412
22173999139,45cyclictest22727-21latency19:08:542
2217399913,35cyclictest31676-21timerwakeupswit19:34:032
22173999125,15cyclictest0-21swapper/200:03:552
2217399912,41cyclictest25791-21cpuspeed23:43:432
22156999169,15cyclictest4716-21latency_hist19:53:310
210222918,56sleep221024-21irqstats19:03:572
2217399903,42cyclictest9855-21wc00:11:022
2217399903,42cyclictest9855-21wc00:11:022
2217399903,35cyclictest22697-21/usr/sbin/munin23:38:552
2217399903,35cyclictest21315-21latency_hist21:48:322
2217399903,28cyclictest23242-21latency_hist00:33:302
2217399902,33cyclictest27998-21ssh21:58:552
2217399902,29cyclictest352-21runrttasks23:19:042
2216699903,35cyclictest21389-21/usr/sbin/munin21:48:481
2216699903,33cyclictest23020-21latency_hist20:48:311
2216699903,33cyclictest23020-21latency_hist20:48:311
22166999022,30cyclictest24684-21latency_hist20:53:311
22173998937,45cyclictest29330-21diskmemload23:57:552
2217399893,37cyclictest13147-21mailstats21:34:012
2217399893,33cyclictest25289-21cstates22:48:442
2217399893,28cyclictest19667-21/usr/sbin/munin23:33:592
2217399893,28cyclictest19667-21/usr/sbin/munin23:33:592
2217399884,32cyclictest14440-21/usr/sbin/munin00:19:022
2217399884,32cyclictest14440-21/usr/sbin/munin00:19:022
22173998837,45cyclictest16362-21timerwakeupswit21:39:032
22173998836,8cyclictest0-21swapper/220:08:552
2217399883,36cyclictest7262-21ssh23:13:082
2217399883,32cyclictest29223-21sshd23:48:542
2217399883,32cyclictest29223-21sshd23:48:542
22173998831,13cyclictest1980-21fschecks_time23:03:492
22173998819,12cyclictest0-21swapper/200:17:592
22166998830,16cyclictest0-21swapper/100:34:031
2217399873,33cyclictest21975-21ntp_kernel_pll_20:43:572
2217399873,33cyclictest21975-21ntp_kernel_pll_20:43:572
2217399873,31cyclictest9405-21modprobe20:08:272
2217399873,31cyclictest9405-21modprobe20:08:272
2217399873,30cyclictest28925-21grep21:04:032
2217399873,28cyclictest30684-21latency_hist19:33:312
22173998726,12cyclictest0-21swapper/221:13:552
2217399872,40cyclictest6321-21taskset22:16:582
2217399872,40cyclictest6321-21taskset22:16:582
2217399872,37cyclictest17410-21timerandwakeup20:29:032
2217399872,37cyclictest17410-21timerandwakeup20:29:032
2217399872,36cyclictest20117-21fschecks_time20:38:502
2217399872,36cyclictest20117-21fschecks_time20:38:502
2217399872,35cyclictest25745-21sendmail19:18:282
2217399872,33cyclictest19712-21latency_hist20:38:302
2217399872,31cyclictest29066-21timerandwakeup22:54:052
22166998764,15cyclictest200-21systemd-journal22:30:551
22166998736,22cyclictest27261-21kworker/u18:3+nfsiod21:12:021
22166998736,22cyclictest27261-21kworker/u18:3+nfsiod21:12:021
2216699873,40cyclictest352-21runrttasks21:47:571
2216699873,40cyclictest15551-21cstates21:38:451
2216699873,38cyclictest15174-21cstates20:24:341
2216699873,38cyclictest15174-21cstates20:24:341
2216699873,36cyclictest9176-21latency_hist21:28:311
2216699872,41cyclictest30112-21apt-get22:03:471
2216699872,33cyclictest24836-21modprobe22:48:271
2215699873,45cyclictest15-21ksoftirqd/019:43:500
2217399864,36cyclictest9659-21ssh21:29:182
2217399864,36cyclictest9659-21ssh21:29:182
2217399863,35cyclictest29039-21latency_hist19:28:312
2217399863,35cyclictest27294-21latency_hist21:58:312
2217399863,35cyclictest27294-21latency_hist21:58:312
2217399863,34cyclictest13279-21cpuspeed22:28:442
2217399863,32cyclictest3200-21/usr/sbin/munin19:49:012
2217399862,33cyclictest5071-21fschecks_time19:53:502
2217399862,31cyclictest26216-21fschecks_count19:18:502
2217399862,25cyclictest10170-21/usr/sbin/munin22:23:482
22166998653,20cyclictest14320-21sort00:18:311
2216699863,38cyclictest27399-21find21:58:371
22156998666,13cyclictest200-21systemd-journal21:43:280
2217399853,31cyclictest27921-21ls21:03:312
2217399852,34cyclictest3864-21latency_hist22:13:312
2217399852,32cyclictest30382-21mailstats21:09:012
2217399852,32cyclictest30382-21mailstats21:09:012
22156998539,8cyclictest181rcu_preempt20:02:410
22156998539,8cyclictest181rcu_preempt20:02:410
22173998436,12cyclictest22148-21cyclictest22:18:512
2217399843,32cyclictest352-21runrttasks23:24:592
2217399843,32cyclictest352-21runrttasks23:24:592
2217399843,32cyclictest24915-21fschecks_count20:53:492
2217399843,30cyclictest21389-21/usr/sbin/munin21:48:382
22166998443,29cyclictest14550-21grep23:24:021
22166998443,29cyclictest14550-21grep23:24:021
22166998440,10cyclictest9426-21apt-get21:29:211
22166998440,10cyclictest9426-21apt-get21:29:211
2216699843,31cyclictest9914-21fschecks_time20:08:501
2215699849,46cyclictest15-21ksoftirqd/023:06:220
22156998464,14cyclictest23059-21latency_hist20:48:310
22156998464,14cyclictest23059-21latency_hist20:48:310
22156998460,18cyclictest2157-21latency_hist23:58:320
22156998438,12cyclictest181rcu_preempt19:23:490
2215699842,74cyclictest9684-21apt-get21:29:210
2215699842,74cyclictest9684-21apt-get21:29:210
2217399833,34cyclictest1808-21fschecks_count19:43:492
22166998358,17cyclictest352-21runrttasks23:03:501
2215699839,51cyclictest15-21ksoftirqd/020:53:180
2215699839,51cyclictest15-21ksoftirqd/020:53:180
22156998364,14cyclictest22148-21cyclictest00:31:360
22156998357,20cyclictest25988-21fschecks_time23:43:480
2215699834,46cyclictest15-21ksoftirqd/021:56:240
2215699834,46cyclictest15-21ksoftirqd/021:56:240
22156998340,11cyclictest181rcu_preempt20:32:370
22156998340,11cyclictest181rcu_preempt20:32:370
22156998339,9cyclictest181rcu_preempt20:23:110
2215699833,43cyclictest15-21ksoftirqd/000:03:530
22156998312,43cyclictest15-21ksoftirqd/000:09:370
22156998312,43cyclictest15-21ksoftirqd/000:09:370
2217399823,29cyclictest6435-21/usr/sbin/munin19:58:372
2217399823,29cyclictest6435-21/usr/sbin/munin19:58:372
2216699828,59cyclictest8460-21apt-get00:08:451
2216699828,59cyclictest8460-21apt-get00:08:451
2215699825,51cyclictest15-21ksoftirqd/021:20:430
2215699825,40cyclictest15-21ksoftirqd/019:53:520
2215699823,66cyclictest14509-21apt-get20:23:420
2215699823,66cyclictest14509-21apt-get20:23:420
2215699823,55cyclictest15-21ksoftirqd/022:38:580
2215699823,55cyclictest15-21ksoftirqd/022:38:580
2215699823,42cyclictest15-21ksoftirqd/019:33:560
2215699823,32cyclictest15-21ksoftirqd/022:54:120
2215699823,32cyclictest15-21ksoftirqd/022:47:520
22156998218,40cyclictest15-21ksoftirqd/023:18:530
2217399813,29cyclictest23549-21latency20:48:542
2217399813,29cyclictest23549-21latency20:48:542
22166998162,13cyclictest21507-21unixbench_singl00:29:061
22156998159,16cyclictest30637-21latency_hist19:33:310
2215699813,46cyclictest15-21ksoftirqd/000:19:030
2215699813,46cyclictest15-21ksoftirqd/000:19:030
2215699809,47cyclictest15-21ksoftirqd/020:08:300
2215699809,47cyclictest15-21ksoftirqd/020:08:300
2215699808,49cyclictest15-21ksoftirqd/019:22:250
22156998062,12cyclictest6528-21fschecks_time21:23:520
22156998057,17cyclictest30313-21sh21:09:010
22156998057,17cyclictest30313-21sh21:09:010
22156998050,21cyclictest11017-21latency_hist20:13:270
22156998044,9cyclictest181rcu_preempt22:17:190
22156998044,9cyclictest181rcu_preempt22:17:190
2215699804,47cyclictest15-21ksoftirqd/020:33:590
2215699804,38cyclictest15-21ksoftirqd/020:18:290
2215699803,51cyclictest15-21ksoftirqd/021:37:450
2215699803,47cyclictest15-21ksoftirqd/023:36:250
2215699803,47cyclictest15-21ksoftirqd/023:36:250
22156998029,23cyclictest15-21ksoftirqd/021:51:100
2215699802,52cyclictest15-21ksoftirqd/000:00:080
2215699802,52cyclictest15-21ksoftirqd/000:00:080
22156998019,34cyclictest15-21ksoftirqd/020:55:250
22156998015,36cyclictest15-21ksoftirqd/023:48:570
22156998015,36cyclictest15-21ksoftirqd/023:48:570
22156998011,43cyclictest15-21ksoftirqd/021:13:390
22156998010,37cyclictest15-21ksoftirqd/022:09:290
2215699793,66cyclictest30649-21apt-get22:03:420
2215699792,41cyclictest15-21ksoftirqd/022:19:530
22156997915,37cyclictest15-21ksoftirqd/023:01:500
22156997830,17cyclictest181rcu_preempt21:46:060
2215699782,38cyclictest15-21ksoftirqd/021:00:290
22166997756,11cyclictest0-21swapper/121:14:021
22156997739,16cyclictest181rcu_preempt23:10:360
2215699773,50cyclictest15-21ksoftirqd/022:31:180
22156997733,13cyclictest181rcu_preempt19:39:020
22156997732,27cyclictest15-21ksoftirqd/022:49:000
22166997660,10cyclictest1916-40logrotate23:58:291
22166997655,13cyclictest22148-21cyclictest20:53:451
22156997613,43cyclictest15-21ksoftirqd/020:38:500
22156997613,43cyclictest15-21ksoftirqd/020:38:500
22156997539,11cyclictest0-21swapper/023:14:030
2215699753,40cyclictest15-21ksoftirqd/019:13:290
2215699752,41cyclictest15-21ksoftirqd/000:38:200
2215699743,50cyclictest15-21ksoftirqd/023:28:440
22179997313,36cyclictest0-21swapper/321:29:253
22179997313,36cyclictest0-21swapper/321:29:253
22166997326,34cyclictest27025-21cat20:59:011
22156997351,16cyclictest22148-21cyclictest23:26:090
22156997351,16cyclictest22148-21cyclictest23:26:090
22156997349,10cyclictest181rcu_preempt22:01:150
2215699733,36cyclictest10223-21cpu22:23:440
2215699732,45cyclictest15-21ksoftirqd/000:17:110
22166997241,22cyclictest1870-21fschecks_time19:43:491
2215699722,35cyclictest15-21ksoftirqd/019:14:000
22156997217,45cyclictest17957-21cat00:23:560
22166997153,11cyclictest58-21kcompactd022:14:071
22166997153,11cyclictest58-21kcompactd022:14:071
22166997151,14cyclictest29330-21diskmemload00:08:311
22166997150,14cyclictest200-21systemd-journal22:52:551
22166997148,14cyclictest29587-21kworker/u19:2-nfsiod00:01:591
22166997148,14cyclictest29587-21kworker/u19:2-nfsiod00:01:591
22166997146,17cyclictest227-21systemd-udevd22:55:161
2215699713,29cyclictest28184-21grep21:03:490
22156997125,25cyclictest15-21ksoftirqd/022:36:190
22166997048,15cyclictest7240-21cpu22:18:441
2216699703,47cyclictest27452-21latency_hist19:23:311
22179996923,39cyclictest0-21swapper/320:24:283
22179996923,39cyclictest0-21swapper/320:24:283
22166996939,19cyclictest58-21kcompactd022:24:361
22179996847,14cyclictest451rcuc/323:21:313
22166996749,12cyclictest365-21ntpd23:28:371
22166996748,13cyclictest5673-21timerwakeupswit23:09:041
22166996741,18cyclictest14509-21apt-get20:23:321
2216699673,44cyclictest5035-21fschecks_count19:53:501
2216699673,32cyclictest25943-21latency_hist19:18:321
22179996613,39cyclictest0-21swapper/322:03:423
22166996646,14cyclictest544-21cron19:43:281
22166996643,12cyclictest0-21swapper/122:58:491
22179996544,14cyclictest451rcuc/319:48:223
22166996539,18cyclictest1-21systemd20:40:541
22166996539,18cyclictest1-21systemd20:40:541
2216699652,44cyclictest29601-21latency19:28:521
22179996443,14cyclictest451rcuc/320:42:313
22179996443,14cyclictest451rcuc/320:42:313
2068326410,35sleep30-21swapper/319:03:453
22179996346,10cyclictest451rcuc/300:18:373
22179996346,10cyclictest451rcuc/300:18:373
2216699633,28cyclictest4207-21vmstat19:49:061
22166996327,7cyclictest181rcu_preempt22:35:551
22166996323,26cyclictest22506-21sort23:38:301
22166996323,26cyclictest22506-21sort23:38:301
22179996216,29cyclictest0-21swapper/300:08:533
22179996216,29cyclictest0-21swapper/300:08:533
2216699625,13cyclictest27612-21apt-get19:23:431
22166996248,9cyclictest20347-21latency_hist00:28:311
22166996245,11cyclictest22718-21apt-get23:38:421
22166996244,12cyclictest365-21ntpd23:48:571
22166996244,12cyclictest365-21ntpd23:48:571
22166996239,16cyclictest0-21swapper/123:43:531
2216699623,44cyclictest19000-21timerandwakeup20:34:021
2216699623,39cyclictest23478-21kernelversion20:48:531
22166996147,10cyclictest22148-21cyclictest23:14:141
22166996143,12cyclictest19394-21fschecks_count22:38:491
22166996143,12cyclictest19394-21fschecks_count22:38:491
2216699613,35cyclictest17130-21latency_hist00:23:301
2216699613,35cyclictest17130-21latency_hist00:23:301
2216699613,22cyclictest6454-21apt-get19:58:371
2216699613,22cyclictest6454-21apt-get19:58:371
22179996039,13cyclictest451rcuc/321:16:003
2217999603,42cyclictest22415-21chrt23:38:283
2217999603,42cyclictest22415-21chrt23:38:283
22166996044,9cyclictest0-21swapper/119:33:501
22179995943,11cyclictest451rcuc/323:04:133
2217999593,40cyclictest23322-21chrt00:33:313
2216699582,39cyclictest8324-21cut20:03:511
2216699582,39cyclictest8324-21cut20:03:511
2217999574,41cyclictest22825-21taskset23:38:443
22179995741,10cyclictest0-21swapper/323:58:293
2217999573,40cyclictest6910-21chrt22:18:283
2217999573,40cyclictest6910-21chrt22:18:283
22166995741,9cyclictest0-21swapper/121:04:031
2217999566,33cyclictest0-21swapper/320:13:413
2217999564,37cyclictest27506-21taskset19:23:313
2217999564,34cyclictest14872-21chrt20:23:313
22179995640,11cyclictest451rcuc/319:17:173
2217999563,43cyclictest7798-21chrt22:18:573
2217999563,41cyclictest21434-21chrt20:43:313
2217999563,41cyclictest21434-21chrt20:43:313
2217999563,40cyclictest9869-21chrt20:08:503
22179995542,9cyclictest451rcuc/320:55:273
22179995541,9cyclictest451rcuc/319:26:123
2217999553,39cyclictest29896-21taskset21:08:503
2217999553,39cyclictest29896-21taskset21:08:503
2217999545,33cyclictest30524-21chrt22:03:323
2217999544,35cyclictest16554-21taskset23:28:313
2217999544,35cyclictest16554-21taskset23:28:313
22179995441,9cyclictest451rcuc/319:51:303
22179995440,9cyclictest451rcuc/319:59:323
22179995440,9cyclictest451rcuc/319:59:323
2217999543,37cyclictest21188-21taskset22:41:383
2217999543,37cyclictest21188-21taskset22:41:383
2217999543,36cyclictest4940-21chrt23:08:503
2217999534,37cyclictest23450-21chrt00:33:433
2217999534,36cyclictest8193-21chrt00:08:303
2217999534,35cyclictest31558-21chrt23:53:313
2217999534,35cyclictest31558-21chrt23:53:313
2217999533,38cyclictest18420-21chrt21:43:393
2217999533,36cyclictest17539-21taskset00:23:463
22179995240,8cyclictest451rcuc/322:47:063
22179995239,8cyclictest451rcuc/319:34:093
22179995235,11cyclictest451rcuc/321:06:403
22179995234,11cyclictest451rcuc/319:09:323
2217999522,39cyclictest23322-21taskset21:51:213
2217999514,37cyclictest5788-21taskset21:23:123
2217999514,33cyclictest32669-21taskset19:38:503
22179995138,9cyclictest451rcuc/321:01:583
22179995138,8cyclictest451rcuc/320:04:383
22179995138,8cyclictest451rcuc/320:04:383
2217999513,37cyclictest17851-21chrt23:29:123
2217999513,34cyclictest6596-21chrt21:23:533
2217999513,34cyclictest26556-21taskset21:57:003
2217999513,34cyclictest26556-21taskset21:57:003
2217999512,35cyclictest12126-21taskset22:26:273
2217999504,32cyclictest12318-21chrt00:14:023
22179995036,10cyclictest451rcuc/320:29:073
22179995036,10cyclictest451rcuc/320:29:073
2217999503,37cyclictest28888-21chrt22:54:023
2217999503,31cyclictest13204-21taskset21:34:023
2217999502,35cyclictest31284-21chrt22:58:453
2217999502,32cyclictest2769-21chrt23:58:543
2217999502,32cyclictest2769-21chrt23:58:543
2217999494,32cyclictest16519-21taskset21:39:053
2217999493,34cyclictest9216-21chrt23:15:143
22179994924,18cyclictest451rcuc/320:50:043
22179994924,18cyclictest451rcuc/320:50:043
22179994836,8cyclictest451rcuc/320:37:373
2217999483,35cyclictest25759-21chrt22:48:563
2217999483,33cyclictest17814-21chrt22:35:393
2217999483,32cyclictest3716-21taskset22:13:053
2217999482,33cyclictest14428-21chrt22:29:313
2217999474,34cyclictest26733-21chrt23:44:033
2217999473,33cyclictest30714-21taskset19:33:313
22179994431,9cyclictest451rcuc/319:54:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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