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2026-02-04 - 09:03
[ 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 50 highest latencies:
System rackbslot7.osadl.org (updated Wed Feb 04, 2026 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17657218710,30sleep00-21swapper/019:03:090
17657218710,30sleep00-21swapper/019:03:090
1891721376,52sleep218916-21/usr/sbin/munin19:07:522
1891721376,52sleep218916-21/usr/sbin/munin19:07:522
189909912561,57cyclictest9013-21sh00:13:220
190009911657,9cyclictest0-21swapper/222:33:562
190009911558,50cyclictest22963-21latency_hist00:37:512
190009911558,50cyclictest22963-21latency_hist00:37:512
189909911258,48cyclictest26177-21diskmemload00:07:510
18990991102,14cyclictest19606-21ssh23:37:590
189909910953,49cyclictest27029-21sh22:55:280
189909910953,49cyclictest27029-21sh22:55:280
18990991092,37cyclictest21538-21chrt20:53:040
19000991083,36cyclictest3804-21fschecks_time19:58:112
18990991083,27cyclictest10657-21taskset23:23:000
18990991083,27cyclictest10657-21taskset23:23:000
18990991083,23cyclictest27173-21sh22:02:310
189909910613,22cyclictest15875-21sh00:25:000
189909910613,22cyclictest15875-21sh00:25:000
189909910542,55cyclictest19089-21latency_hist22:42:510
18990991052,24cyclictest30991-21taskset21:14:320
18990991043,25cyclictest7231-21ssh23:17:330
18990991033,24cyclictest21487-21sh00:34:020
18990991033,24cyclictest21487-21sh00:34:020
19000991023,35cyclictest18477-21latency_hist21:47:522
19000991023,35cyclictest18477-21latency_hist21:47:522
18990991024,12cyclictest30586-21apt-get22:08:020
18990991013,27cyclictest18971-21ssh21:48:110
18990991012,24cyclictest5993-21modprobe21:27:480
18990991012,24cyclictest5993-21modprobe21:27:480
18990991004,26cyclictest31804-21ntpq23:03:200
18990991002,30cyclictest10286-21sshd20:18:280
1899099993,22cyclictest7659-21/usr/sbin/munin23:18:240
1899099992,33cyclictest6899-21grep21:28:350
1899099983,32cyclictest17165-21/usr/sbin/munin00:28:090
1899099983,29cyclictest13740-21fschecks_time22:33:410
1899099982,30cyclictest11221-21/usr/sbin/munin00:18:590
1899099982,24cyclictest4044-21ssh23:11:580
1899099982,23cyclictest4479-21if_err_eth022:18:120
1899099973,25cyclictest15049-21/usr/sbin/munin20:33:160
1899099973,22cyclictest26586-21/usr/sbin/munin23:49:240
1899099964,9cyclictest0-21swapper/021:47:510
1899099964,9cyclictest0-21swapper/021:47:510
1899099964,32cyclictest28713-21ssh22:58:150
1899099964,30cyclictest29294-21ssh23:53:160
1899099964,29cyclictest26279-21fschecks_count19:28:090
1899099963,30cyclictest21507-21sort19:13:140
1899099962,23cyclictest11267-21ssh22:28:420
1899099962,23cyclictest11267-21ssh22:28:420
1899599953,72cyclictest13324-21runrttasks22:33:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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