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2026-01-21 - 11:12
[ 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
Characteristics of the 100 highest latencies:
System rackdslot0.osadl.org (updated Wed Jan 21, 2026 00:46:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2145699230,8cyclictest870-21systemd-logind00:08:511
2145699230,22cyclictest870-21systemd-logind22:58:511
2145799210,20cyclictest0-21swapper/220:05:182
21456992120,1cyclictest21-21ksoftirqd/121:00:151
2145699210,20cyclictest201rcuc/100:10:201
2145799209,6cyclictest6326-21munin-run19:40:012
2145799209,6cyclictest6326-21munin-run19:40:002
21457992016,3cyclictest0-21swapper/221:07:572
2145699200,5cyclictest870-21systemd-logind21:48:521
2145699200,19cyclictest870-21systemd-logind19:41:521
2145699200,19cyclictest870-21systemd-logind00:03:511
2145799192,16cyclictest9304-21date22:35:002
21457991916,2cyclictest4683-21nfsd420:30:162
21457991915,3cyclictest14082-21cpuspeed_turbos21:45:122
2145799190,16cyclictest0-21swapper/200:10:022
2145699193,15cyclictest21-21ksoftirqd/121:34:161
21456991918,1cyclictest21-21ksoftirqd/119:56:431
2145699191,1cyclictest111rcu_preempt23:43:271
2145699190,2cyclictest21-21ksoftirqd/121:59:561
2145699190,1cyclictest0-21swapper/122:30:181
2145699190,18cyclictest870-21systemd-logind22:41:511
2145699190,18cyclictest0-21swapper/123:00:121
2145699190,17cyclictest0-21swapper/121:37:481
2145699190,16cyclictest3976-21H222:10:211
2145699190,16cyclictest0-21swapper/123:38:061
2145699190,0cyclictest0-21swapper/122:04:301
2145599191,3cyclictest0-21swapper/023:45:170
21457991816,1cyclictest28-21ksoftirqd/223:45:132
21457991816,1cyclictest21196-21idleruntime22:55:152
21457991813,3cyclictest0-21swapper/220:22:412
2145799181,2cyclictest843-21systemd-network20:46:172
2145799181,2cyclictest25628-21missed_timers19:15:162
2145799181,16cyclictest8583-21nvmesmart_nvme019:40:182
2145799181,16cyclictest1526-21lxd22:44:332
2145799181,16cyclictest1486-21snapd22:45:082
2145799180,3cyclictest1517-21lxd21:58:502
2145799180,2cyclictest3989-21H222:10:212
2145799180,2cyclictest3989-21H222:10:212
2145799180,2cyclictest1478-21snapd21:25:102
2145799180,1cyclictest0-21swapper/219:28:422
2145799180,16cyclictest0-21swapper/223:08:272
2145699184,14cyclictest21-21ksoftirqd/100:32:131
21456991817,1cyclictest201rcuc/123:08:101
21456991815,2cyclictest3991-21H222:10:211
21456991815,2cyclictest3991-21H222:10:211
2145699181,2cyclictest25009-21cpuspeed_turbos22:05:121
2145699181,11cyclictest11424-21latency_hist20:45:011
2145699180,3cyclictest843-21systemd-network19:30:011
2145699180,17cyclictest20905-21python320:05:011
2145699180,17cyclictest20905-21python320:05:011
2145599183,1cyclictest0-21swapper/000:13:280
2145599182,15cyclictest102922sleep021:36:520
2145599182,15cyclictest0-21swapper/000:00:220
21455991815,2cyclictest23090-21cat21:05:010
2145599181,1cyclictest0-21swapper/022:09:300
2145599180,3cyclictest3981-21H222:10:210
2145599180,2cyclictest25646-21latency_hist21:10:020
2145599180,17cyclictest1351-21lxd21:52:500
2145599180,15cyclictest3979-21H222:10:210
21457991714,2cyclictest8441-21sessionclean20:38:592
21457991714,2cyclictest7862-21grep23:30:122
21457991714,2cyclictest32385-21if_err_enp1s023:15:142
21457991714,2cyclictest32181-21tune2fs21:20:142
21457991714,2cyclictest32181-21tune2fs21:20:142
21457991714,2cyclictest30039-21nfsd423:10:182
21457991714,2cyclictest20389-21latency_hist21:00:012
21457991714,2cyclictest1991-21/usr/sbin/munin23:20:132
21457991714,2cyclictest16710-21expr21:50:142
21457991714,2cyclictest11452-21perf20:45:022
21457991714,2cyclictest10627-21head00:30:152
21457991714,2cyclictest0-21swapper/222:25:132
21457991713,3cyclictest0-21swapper/222:37:352
2145799170,2cyclictest3166-21munin-run20:30:012
2145799170,2cyclictest28886-21nfsd422:10:172
2145799170,2cyclictest28697-21nfsd400:05:192
2145799170,2cyclictest22760-21cron23:00:002
2145799170,2cyclictest16827-21cat20:50:212
2145799170,2cyclictest13756-21sed23:40:012
2145799170,2cyclictest12925-21ls00:35:152
2145799170,1cyclictest0-21swapper/219:11:232
2145799170,16cyclictest8840-21fschecks_count21:35:162
2145799170,16cyclictest656-21apache_accesses19:30:102
2145799170,16cyclictest5137-21grep23:25:112
2145799170,16cyclictest3989-21H222:10:212
2145799170,16cyclictest3979-21H222:10:212
2145799170,16cyclictest30343-21mailstats21:15:212
2145799170,16cyclictest28382-21perf21:15:002
2145799170,16cyclictest26970-21smtp22:08:302
2145799170,16cyclictest25742-21ls00:00:172
2145799170,16cyclictest22221-21grep22:00:132
2145799170,16cyclictest10455-21expr19:45:132
2145799170,15cyclictest3983-21H222:10:212
2145699172,15cyclictest21-21ksoftirqd/100:18:081
21456991716,1cyclictest21-21ksoftirqd/119:45:191
21456991716,1cyclictest21-21ksoftirqd/119:35:161
21456991716,1cyclictest21-21ksoftirqd/119:35:161
21456991715,1cyclictest21-21ksoftirqd/122:20:131
21456991715,1cyclictest21-21ksoftirqd/121:06:551
21456991715,1cyclictest201rcuc/119:15:111
21456991714,2cyclictest929-21fschecks_count20:25:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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