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2026-01-23 - 10:19
[ 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 792 highest latencies:
System rackdslot0.osadl.org (updated Fri Jan 23, 2026 00:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31199992416,5cyclictest32628-21cron20:10:020
3120699210,18cyclictest0-21swapper/223:55:172
3119999210,17cyclictest0-21swapper/022:40:010
3120699206,13cyclictest0-21swapper/222:31:092
3120699202,17cyclictest0-21swapper/223:02:382
31206992014,3cyclictest0-21swapper/223:31:512
3120699201,17cyclictest9869-21nfsd423:15:182
31200992015,3cyclictest0-21swapper/122:11:351
3120699193,15cyclictest0-21swapper/222:05:192
3120699192,16cyclictest25870-21smtpd22:49:262
3120099192,16cyclictest24475-21chrt23:41:331
3120099192,11cyclictest2835-21munin-run22:10:001
31200991915,3cyclictest688-21grep23:00:191
31199991916,2cyclictest14429-21latency_hist20:35:010
31206991815,2cyclictest9153-21nvmesmart_nvme019:25:182
31206991815,2cyclictest9114-21latency_hist20:25:002
31206991815,2cyclictest14931-21grep00:25:012
31206991814,3cyclictest0-21swapper/223:41:132
3120699180,1cyclictest0-21swapper/222:20:142
3120699180,17cyclictest0-21swapper/222:55:112
3120099182,15cyclictest0-21swapper/121:24:491
31200991815,2cyclictest31578-21timerwakeupswit22:00:221
31200991815,2cyclictest20515-21cpuspeed_turbos20:45:131
3120099180,3cyclictest2007-21systemd-journal19:37:271
3120099180,18cyclictest0-21swapper/121:25:181
3119999182,1cyclictest0-21swapper/022:51:540
31199991815,2cyclictest30947-21cut22:00:190
31199991814,3cyclictest0-21swapper/023:10:170
31199991814,2cyclictest0-21swapper/020:05:010
3119999180,17cyclictest870-21systemd-logind19:18:520
31206991715,1cyclictest0-21swapper/220:35:152
31206991714,2cyclictest5263-21cstates21:15:142
31206991714,2cyclictest5106-21sed00:05:182
31206991714,2cyclictest31570-21smartctl20:05:192
31206991714,2cyclictest27058-21timerwakeupswit23:45:222
31206991714,2cyclictest24683-21cat21:50:142
31206991714,2cyclictest1490-21snapd21:40:082
31206991714,2cyclictest1490-21snapd21:40:082
31206991714,2cyclictest11432-21sort21:25:192
31206991714,2cyclictest0-21swapper/223:50:132
31206991714,2cyclictest0-21swapper/220:00:182
3120699171,1cyclictest152392sleep219:36:352
3120699171,15cyclictest0-21swapper/221:45:152
3120699170,2cyclictest8802-21cat00:10:212
3120699170,2cyclictest30896-21cron21:05:002
3120699170,2cyclictest2893-21threads00:00:212
3120699170,2cyclictest2316-21sendmail_mailqu20:10:242
3120699170,2cyclictest20734-21latency_hist00:35:002
3120699170,2cyclictest1784-21latency_hist19:15:012
3120699170,2cyclictest1485-21snapd21:30:082
3120699170,16cyclictest9266-21/usr/sbin/munin20:25:202
3120699170,16cyclictest21148-21perf19:50:002
3120699170,16cyclictest19856-21expr23:35:132
3120699170,16cyclictest19210-21netstat22:35:162
3120699170,16cyclictest18729-21latency_hist19:45:012
3120699170,16cyclictest17204-21nfsd421:35:182
3120699170,16cyclictest1415-21chrt21:09:092
3120699170,16cyclictest11691-21grep19:30:172
3120699170,16cyclictest1035-21thermald22:00:212
3120699170,16cyclictest0-21swapper/221:24:272
3120699170,15cyclictest3985-21H222:10:212
3120099172,14cyclictest0-21swapper/119:20:061
31200991714,2cyclictest9882-21grep00:15:141
31200991714,2cyclictest30186-21cat23:55:011
31200991714,2cyclictest28850-21latency_hist22:55:011
31200991714,2cyclictest15973-21fschecks_count00:25:151
31200991714,2cyclictest14912-21cron00:25:001
31200991714,2cyclictest11657-21cron22:24:591
31200991714,2cyclictest1100-21snmpd21:45:141
31200991714,2cyclictest0-21swapper/121:05:171
3120099171,2cyclictest24368-21cpuspeed_turbos19:55:151
3120099171,1cyclictest20952-21smartctl23:35:191
3120099170,3cyclictest0-21swapper/123:33:271
3120099170,2cyclictest9133-21/usr/sbin/munin19:25:191
3120099170,2cyclictest29231-21fschecks_count21:00:151
3120099170,2cyclictest27066-21nfsd420:55:181
3120099170,2cyclictest1300-21lxd20:54:501
3120099170,1cyclictest0-21swapper/100:05:171
3120099170,16cyclictest9908-21nfsd423:15:171
3120099170,16cyclictest7118-21cat20:20:161
3120099170,16cyclictest601-21/usr/sbin/munin20:10:131
3120099170,16cyclictest4920-21sed21:15:011
3120099170,16cyclictest30282-21nfsd422:55:161
3120099170,16cyclictest28692-21sed21:55:221
3120099170,16cyclictest25148-21pzem_energy22:45:211
3120099170,16cyclictest23439-21sed19:50:201
3120099170,16cyclictest23082-21sed00:39:001
3120099170,16cyclictest17240-21munin-run22:35:011
3120099170,16cyclictest15945-21lxd23:56:341
3120099170,16cyclictest1348-21lxd21:50:511
3120099170,16cyclictest13122-21cat19:35:011
3120099170,16cyclictest1035-21thermald21:30:211
3120099170,16cyclictest1035-21thermald20:40:221
31199991714,2cyclictest5760-21http_loadtime19:20:150
31199991714,2cyclictest32360-21cat21:05:160
31199991714,2cyclictest3053-21systemd-logind21:30:520
31199991714,2cyclictest25655-21ntpq21:50:180
31199991714,2cyclictest22426-21sshd20:46:120
31199991714,2cyclictest19856-21chrt00:30:260
31199991714,2cyclictest1550-21snapd21:20:080
31199991714,2cyclictest13743-21switchtime22:25:210
31199991714,2cyclictest11789-21nfsd419:30:180
31199991712,2cyclictest0-21swapper/023:48:410
3119999171,15cyclictest0-21swapper/020:25:150
3119999170,2cyclictest6736-21grep22:15:140
3119999170,2cyclictest2698-21perf22:10:000
3119999170,1cyclictest111rcu_preempt20:35:160
3119999170,16cyclictest959-21/usr/sbin/munin00:00:190
3119999170,16cyclictest6219-21awk21:15:200
3119999170,16cyclictest4884-21sessionclean23:09:000
3119999170,16cyclictest4188-21expr22:10:130
3119999170,16cyclictest22049-21awk23:40:000
3119999170,16cyclictest22034-21expr19:50:130
3119999170,16cyclictest17067-21sed19:40:160
3119999170,16cyclictest16376-21systemctl22:30:210
3119999170,16cyclictest1351-21lxd22:44:330
31206991614,1cyclictest6139-21postgres22:14:312
31206991614,1cyclictest0-21swapper/223:20:132
31206991614,1cyclictest0-21swapper/223:10:162
31206991614,1cyclictest0-21swapper/220:55:102
31206991614,1cyclictest0-21swapper/219:15:122
31206991614,1cyclictest0-21swapper/200:25:142
31206991613,2cyclictest6610-21apache_processe22:15:112
31206991613,2cyclictest28310-21nfsd421:55:182
3120699160,2cyclictest21456-21cat22:40:132
3120699160,15cyclictest455-21plymouthd20:15:122
3120699160,15cyclictest3289-21if_lxdbr023:05:152
3120699160,15cyclictest24252-21/usr/sbin/munin19:55:202
3120699160,15cyclictest24225-21missed_timers20:50:162
3120699160,15cyclictest18061-21expr20:40:152
3120699160,15cyclictest15164-21missed_timers23:25:172
3120699160,15cyclictest15164-21missed_timers23:25:172
3120699160,15cyclictest10395-21expr00:15:142
3120699160,15cyclictest0-21swapper/222:25:172
3120699160,15cyclictest0-21swapper/221:10:182
3120699160,15cyclictest0-21swapper/220:30:142
3120699160,15cyclictest0-21swapper/219:20:142
31200991614,1cyclictest13293-21netstat22:25:171
31200991614,1cyclictest0-21swapper/123:49:071
31200991614,1cyclictest0-21swapper/123:05:181
31200991614,1cyclictest0-21swapper/122:45:001
31200991614,1cyclictest0-21swapper/121:35:131
31200991614,1cyclictest0-21swapper/120:30:141
31200991614,1cyclictest0-21swapper/120:25:141
31200991614,1cyclictest0-21swapper/119:40:171
31200991614,1cyclictest0-21swapper/119:15:131
31200991614,1cyclictest0-21swapper/100:30:181
31200991613,2cyclictest455-21plymouthd00:00:121
31200991613,2cyclictest27642-21fschecks_count20:00:161
31200991613,2cyclictest18809-21/usr/sbin/munin21:40:151
31200991613,2cyclictest18809-21/usr/sbin/munin21:40:141
3120099161,15cyclictest12579-21nfsd423:20:171
3120099161,15cyclictest0-21swapper/120:15:191
3120099160,15cyclictest7976-21ntp_kernel_pll_22:15:171
3120099160,15cyclictest7471-21grep23:10:201
3120099160,15cyclictest17810-21apt-key22:35:021
3120099160,15cyclictest14316-21cpuspeed_turbos23:25:141
3120099160,15cyclictest14316-21cpuspeed_turbos23:25:131
3120099160,15cyclictest0-21swapper/120:05:011
3120099160,15cyclictest0-21swapper/119:45:191
3120099160,15cyclictest0-21swapper/119:10:161
31199991614,1cyclictest9-21ksoftirqd/000:25:130
31199991614,1cyclictest3983-21H222:10:210
31199991614,1cyclictest25178-21grep22:45:200
31199991614,1cyclictest19101-21ls19:45:130
31199991614,1cyclictest1-21systemd21:59:520
31199991614,1cyclictest0-21swapper/023:15:200
31199991614,1cyclictest0-21swapper/022:55:140
31199991614,1cyclictest0-21swapper/021:45:210
31199991614,1cyclictest0-21swapper/021:25:190
31199991614,1cyclictest0-21swapper/021:10:160
31199991614,1cyclictest0-21swapper/020:55:220
31199991614,1cyclictest0-21swapper/020:20:050
31199991614,1cyclictest0-21swapper/019:25:140
31199991614,1cyclictest0-21swapper/000:10:120
31199991613,2cyclictest13201-21awk19:35:110
31199991612,3cyclictest14027-21nvmesmart_nvme000:20:210
3119999160,2cyclictest30874-21cstates23:55:140
3119999160,2cyclictest1897-21basename23:05:000
3119999160,2cyclictest0-21swapper/019:10:210
3119999160,1cyclictest23761-21fschecks_count20:50:120
3119999160,1cyclictest0-21swapper/020:40:200
3119999160,1cyclictest0-21swapper/020:15:140
3119999160,1cyclictest0-21swapper/000:17:010
3119999160,15cyclictest21385-21pluginstate21:45:010
3119999160,15cyclictest21385-21pluginstate21:45:000
3119999160,15cyclictest20980-21expr00:35:160
3119999160,15cyclictest15315-21grep23:25:180
3119999160,15cyclictest15315-21grep23:25:180
3119999160,15cyclictest101rcuc/023:30:110
3119999160,15cyclictest0-21swapper/023:40:130
3119999160,15cyclictest0-21swapper/023:25:000
3119999160,15cyclictest0-21swapper/022:20:120
3119999160,15cyclictest0-21swapper/021:38:570
3119999160,15cyclictest0-21swapper/021:02:490
3119999160,15cyclictest0-21swapper/000:05:140
31206991514,1cyclictest0-21swapper/222:50:132
31200991513,1cyclictest0-21swapper/100:14:591
31200991512,2cyclictest5011-21dpkg21:15:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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