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2026-02-27 - 08:59
[ 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 100 highest latencies:
System rackbslot7.osadl.org (updated Fri Feb 27, 2026 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
349824140,28sleep30-21swapper/319:06:173
349824140,28sleep30-21swapper/319:06:173
3475212112,69sleep23497-21munin-plugin-st19:06:172
3475212112,69sleep23497-21munin-plugin-st19:06:172
3639991093,80cyclictest7326-21apt-get23:41:321
562921020,8sleep20-21swapper/219:11:272
36449910028,32cyclictest0-21swapper/223:27:242
3644999926,41cyclictest14552-21sh22:57:362
363999982,71cyclictest4254-21ssh22:41:341
3644999654,35cyclictest7856-21acpi23:41:272
3644999616,45cyclictest145052rm21:11:252
3639999546,19cyclictest10292-21ls22:51:371
3639999512,72cyclictest26942-21sort00:12:431
3635999573,15cyclictest13746-21latency_hist23:51:210
3635999573,15cyclictest13746-21latency_hist23:51:210
3644999451,36cyclictest0-21swapper/223:51:202
3644999451,36cyclictest0-21swapper/223:51:202
363999943,69cyclictest26852-21runrttasks21:31:461
363599933,66cyclictest19537-21apt-get00:01:530
3644999247,39cyclictest16542-21unixbench_singl22:06:542
3644999247,39cyclictest16542-21unixbench_singl22:06:542
114132920,9sleep20-21swapper/221:06:212
3644999168,14cyclictest26713-21cpuspeed00:12:372
363599919,41cyclictest9532-21apt-get21:56:380
3644999067,14cyclictest20319-21kworker/u17:2+flush-179:023:25:002
3635999024,29cyclictest0-21swapper/000:12:550
364499893,74cyclictest0-21swapper/220:46:322
364499893,74cyclictest0-21swapper/220:46:322
364499893,73cyclictest0-21swapper/220:16:352
3639998953,15cyclictest5178-21ssh21:49:061
364499882,51cyclictest9435-21seq20:59:022
363999883,74cyclictest3419-21apt-get20:41:321
363999883,74cyclictest3419-21apt-get20:41:321
363999883,74cyclictest17382-21apt-get19:46:331
363999883,74cyclictest17382-21apt-get19:46:331
3639998826,42cyclictest9591-21rm21:56:381
3639998762,15cyclictest6473-21runrttasks19:11:521
3635998731,33cyclictest0-21swapper/021:38:210
3635998731,33cyclictest0-21swapper/021:38:210
364499863,73cyclictest0-21swapper/200:31:292
3644998614,63cyclictest20144-21ssh00:01:402
3639998646,14cyclictest17786-21ssh21:16:391
3635998613,55cyclictest0-21swapper/022:42:350
3644998541,39cyclictest0-21swapper/221:32:462
3639998557,20cyclictest1-21systemd21:45:321
364499843,67cyclictest0-21swapper/219:36:342
364499843,63cyclictest9790-21ssh21:57:122
363999844,58cyclictest20864-21apt-get19:56:461
363999844,58cyclictest20864-21apt-get19:56:461
3635998465,13cyclictest27943-21latency_hist23:21:190
363599843,71cyclictest16882-21apt-get19:46:330
363599843,71cyclictest16882-21apt-get19:46:330
3644998366,11cyclictest4074-21sendmail_mailqu20:42:112
3644998366,11cyclictest4074-21sendmail_mailqu20:42:112
3644998328,48cyclictest0-21swapper/219:46:352
3644998328,48cyclictest0-21swapper/219:46:352
3639998364,13cyclictest297-21systemd-logind20:31:181
3639998360,16cyclictest22508-21unixbench_multi22:16:531
3639998354,10cyclictest9641-21kworker/u17:3-rpciod22:25:161
3639998354,10cyclictest9641-21kworker/u17:3-rpciod22:25:161
3639998316,29cyclictest23954-21latency_hist20:06:201
3635998358,19cyclictest3033-21apt-key20:41:200
3635998345,30cyclictest0-21swapper/021:26:530
3635998345,30cyclictest0-21swapper/021:26:530
3644998259,15cyclictest3624-21cyclictest22:16:122
363999826,65cyclictest30444-21ssh22:31:281
363999826,65cyclictest30444-21ssh22:31:281
3635998230,14cyclictest7945-21apt-get23:41:400
364899813,35cyclictest29168-21chrt23:21:543
364899812,33cyclictest7672-21chrt00:34:163
3644998162,13cyclictest16912-21apt-key19:46:192
364499814,56cyclictest352-21runrttasks19:23:242
364499812,74cyclictest0-21swapper/223:06:322
3639998153,20cyclictest11672-21cstates21:06:341
3639998132,15cyclictest16157-21find19:41:501
3635998116,23cyclictest16818-21ssh23:56:240
3635998116,23cyclictest16818-21ssh23:56:240
364499805,64cyclictest24488-21ssh22:21:292
364499805,64cyclictest24488-21ssh22:21:292
364499803,69cyclictest17580-21ssh21:16:312
364499802,65cyclictest0-21swapper/220:06:332
364499802,46cyclictest22319-21ssh21:23:482
363999809,61cyclictest20069-21apt-get00:01:531
364499792,65cyclictest0-21swapper/222:26:322
363999792,55cyclictest16517-21/usr/sbin/munin23:56:181
363599794,63cyclictest30291-21apt-get20:26:310
3635997925,20cyclictest10428-21modprobe19:26:170
213427917,34sleep10-21swapper/119:01:271
213427917,34sleep10-21swapper/119:01:271
364499786,48cyclictest651-21latency_hist22:36:202
364499786,48cyclictest651-21latency_hist22:36:202
3644997839,32cyclictest0-21swapper/219:06:522
3644997839,32cyclictest0-21swapper/219:06:522
364499783,62cyclictest0-21swapper/200:21:272
364499783,62cyclictest0-21swapper/200:21:272
3644997835,34cyclictest0-21swapper/223:51:332
3644997832,36cyclictest0-21swapper/220:11:512
3644997832,34cyclictest0-21swapper/223:36:382
3644997832,34cyclictest0-21swapper/223:36:382
364499782,71cyclictest0-21swapper/220:51:352
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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