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2026-01-24 - 05:59
[ 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
Characteristics of the 100 highest latencies:
System rackdslot0.osadl.org (updated Sat Jan 24, 2026 00:46:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9991992118,2cyclictest17637-21sessionclean00:09:001
9995992016,3cyclictest0-21swapper/223:03:532
9995992016,3cyclictest0-21swapper/221:07:072
9995992016,1cyclictest0-21swapper/223:15:202
999199202,17cyclictest0-21swapper/100:13:431
999599191,16cyclictest5114-21apache_volume20:55:132
999599190,18cyclictest0-21swapper/221:49:042
999199192,16cyclictest12397-21cstates22:05:121
9991991915,3cyclictest0-21swapper/123:50:001
9991991915,3cyclictest0-21swapper/119:10:541
999199191,17cyclictest0-21swapper/119:39:361
999199191,17cyclictest0-21swapper/119:39:361
998699192,16cyclictest14684-21nfsd421:10:170
9986991914,2cyclictest0-21swapper/020:59:120
998699191,17cyclictest0-21swapper/020:25:480
999599182,15cyclictest17708-21http_loadtime23:10:162
9995991816,1cyclictest0-21swapper/222:33:352
9995991816,1cyclictest0-21swapper/220:35:172
9995991815,2cyclictest16682-21kernelversion19:20:192
9995991813,3cyclictest7712-21grep23:50:142
999599181,16cyclictest22124-21awk20:25:212
999599180,2cyclictest5084-21perf22:50:012
999599180,17cyclictest8911-21tune2fs22:55:152
999599180,17cyclictest24603-21fschecks_time19:35:162
999599180,17cyclictest24603-21fschecks_time19:35:152
999599180,17cyclictest24533-21nfsd420:30:182
999599180,17cyclictest0-21swapper/223:30:112
999599180,17cyclictest0-21swapper/223:30:112
999599180,17cyclictest0-21swapper/220:44:202
9991991816,1cyclictest0-21swapper/120:30:131
9991991815,2cyclictest27205-21nfsd420:35:181
9991991815,2cyclictest0-21swapper/123:00:001
9991991814,3cyclictest0-21swapper/120:40:151
999199181,2cyclictest11091-21switchtime22:00:211
999199180,16cyclictest1550-21snapd22:20:161
998699182,2cyclictest3145-21apache221:00:240
998699182,1cyclictest202792sleep000:11:380
998699182,15cyclictest9-21ksoftirqd/022:35:140
998699182,15cyclictest320172sleep019:45:570
998699182,15cyclictest18125-21kworker/0:022:34:070
9986991815,2cyclictest1490-21snapd23:20:080
9986991813,3cyclictest0-21swapper/021:15:380
998699181,1cyclictest0-21swapper/022:56:050
998699181,16cyclictest18194-21awk23:10:190
998699180,3cyclictest17417-21python322:15:000
998699180,3cyclictest17417-21python322:15:000
998699180,3cyclictest11544-21cut19:10:170
998699180,17cyclictest843-21systemd-network20:23:350
998699180,17cyclictest31001-21awk00:30:180
9995991714,2cyclictest7873-21egrep21:00:122
9995991714,2cyclictest3981-21H222:10:212
9995991714,2cyclictest3981-21H222:10:212
9995991714,2cyclictest29597-21cat22:35:122
9995991714,2cyclictest26858-21apache_processe00:25:122
9995991714,2cyclictest22964-21awk00:15:192
9995991714,2cyclictest2032-21chrt20:50:062
9995991714,2cyclictest19190-21which19:25:152
9995991714,2cyclictest13456-21/usr/sbin/munin21:10:152
9995991714,2cyclictest11680-21snapd19:40:162
9995991714,1cyclictest0-21swapper/220:25:002
999599171,1cyclictest28-21ksoftirqd/219:55:452
999599170,2cyclictest9950-21cat22:00:132
999599170,2cyclictest805-21nfsd422:40:162
999599170,2cyclictest4698-21cat23:45:152
999599170,2cyclictest30221-21tune2fs00:30:152
999599170,2cyclictest18957-21if_eno122:15:152
999599170,2cyclictest1525-21lxd00:22:342
999599170,1cyclictest4099-21H222:10:212
999599170,16cyclictest7327-21cut21:55:162
999599170,16cyclictest3989-21H222:10:212
999599170,16cyclictest3981-21H222:10:212
999599170,16cyclictest3976-21H222:10:212
999599170,16cyclictest27446-21expr21:35:132
999599170,16cyclictest22851-21cat23:20:142
999599170,16cyclictest1829-21systemd-journal21:40:342
999599170,16cyclictest1551-21snapd22:20:162
999599170,16cyclictest1526-21lxd23:08:342
999599170,16cyclictest1375-21munin-node21:19:142
999599170,16cyclictest1348-21lxd20:18:492
999599170,16cyclictest12905-21expr20:10:132
999599170,16cyclictest10968-21netstat23:55:182
999199172,1cyclictest21-21ksoftirqd/123:17:181
9991991715,1cyclictest0-21swapper/123:05:131
9991991714,2cyclictest4828-21awk19:55:181
9991991714,2cyclictest4035-21H222:10:211
9991991714,2cyclictest1515-21lxd23:22:341
9991991713,3cyclictest0-21swapper/121:53:431
999199171,2cyclictest2706-21expr22:45:131
999199171,15cyclictest22033-21fschecks_time00:15:141
999199171,15cyclictest0-21swapper/119:45:131
999199170,3cyclictest0-21swapper/121:31:491
999199170,2cyclictest9725-21fschecks_time20:05:131
999199170,2cyclictest8916-21latency_hist20:05:021
999199170,2cyclictest843-21systemd-network00:30:151
999199170,2cyclictest7094-21cpuspeed_turbos23:50:121
999199170,2cyclictest3989-21H222:10:211
999199170,2cyclictest32762-21apache_processe21:45:101
999199170,2cyclictest326-21cat22:40:141
999199170,2cyclictest31991-21sshd21:40:441
999199170,2cyclictest26940-21grep00:25:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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