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2026-02-03 - 04:56
[ 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 highest latencies:
System rackdslot0.osadl.org (updated Tue Feb 03, 2026 00:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1869899230,5cyclictest0-21swapper/100:25:311
18697992117,3cyclictest0-21swapper/000:39:550
18697992016,3cyclictest0-21swapper/021:05:000
1869999192,2cyclictest2069-21systemd-udevd19:18:522
1869999192,2cyclictest18987-21expr23:55:132
1869999192,16cyclictest30682-21idleruntime19:30:162
18699991915,3cyclictest6361-21latency22:35:172
18699991912,3cyclictest0-21swapper/219:20:182
1869999190,18cyclictest399-20systemd-journal19:49:492
1869899193,1cyclictest9505-21date00:34:591
18698991914,2cyclictest3983-21H222:10:211
1869899190,18cyclictest0-21swapper/123:16:461
1869899190,18cyclictest0-21swapper/100:20:031
18697991917,1cyclictest0-21swapper/022:54:240
1869799190,16cyclictest13061-21cat23:45:010
1869999182,15cyclictest7307-21cat20:40:232
18699991815,2cyclictest31776-21ls20:30:012
18699991814,3cyclictest3351-21lxd21:18:502
18699991814,3cyclictest24157-21dpkg00:05:012
1869999181,16cyclictest20115-21smtp22:02:072
1869999180,3cyclictest30828-21latency_hist23:20:012
1869999180,3cyclictest17417-21latency_hist20:05:012
1869999180,17cyclictest1478-21snapd22:06:382
1869999180,17cyclictest0-21swapper/221:58:282
1869899182,1cyclictest132072sleep120:54:081
1869899182,15cyclictest3983-21H222:10:211
1869899182,15cyclictest265102chrt19:21:321
18698991816,1cyclictest21-21ksoftirqd/119:19:461
18698991815,2cyclictest29189-21taskset19:25:501
18698991814,3cyclictest1521-21lxd00:18:351
18698991812,5cyclictest0-21swapper/121:25:351
1869899181,16cyclictest16125-21cut22:55:011
1869899180,17cyclictest31777-21sort20:30:001
1869899180,16cyclictest1856-21systemd-udevd19:38:521
1869899180,16cyclictest1856-21systemd-udevd19:38:521
1869799182,15cyclictest8359-21cpuspeed_turbos20:45:150
18697991814,3cyclictest1486-21snapd22:06:390
1869799181,16cyclictest1481-21snapd22:11:390
18699991715,1cyclictest8409-21expr20:45:152
18699991715,1cyclictest144402sleep219:59:472
18699991715,1cyclictest0-21swapper/223:40:132
18699991715,1cyclictest0-21swapper/222:40:162
18699991714,2cyclictest993-21dbus-daemon23:05:182
18699991714,2cyclictest7296-21/usr/sbin/munin23:35:202
18699991714,2cyclictest326-21ls00:20:002
18699991714,2cyclictest30749-21mailstats22:20:212
18699991714,2cyclictest29241-21which00:10:222
18699991714,2cyclictest2343-21egrep22:30:132
18699991714,2cyclictest19848-21fschecks_time21:05:142
18699991714,2cyclictest19345-21ls20:05:222
18699991714,2cyclictest18184-21threads22:55:212
18699991713,3cyclictest0-21swapper/222:53:222
1869999170,2cyclictest4974-21expr23:30:142
1869999170,2cyclictest27051-21fschecks_count20:20:162
1869999170,2cyclictest10304-21kernelversion21:45:162
1869999170,16cyclictest7218-21expr21:40:132
1869999170,16cyclictest3707-21master19:12:512
1869999170,16cyclictest3707-21master19:12:512
1869999170,16cyclictest27386-21expr19:25:152
1869999170,16cyclictest21881-21cat23:05:002
1869999170,16cyclictest1486-21snapd23:24:012
1869999170,16cyclictest1485-21snapd23:46:392
1869999170,16cyclictest1241-21df_inode21:30:142
1869999170,16cyclictest10262-21expr00:35:162
1869899172,1cyclictest21-21ksoftirqd/122:20:371
18698991714,2cyclictest3680-21cpuspeed_turbos19:40:131
18698991714,2cyclictest32331-21expr22:25:141
18698991714,2cyclictest30803-21if_lxdbr019:30:171
18698991714,2cyclictest28158-21/usr/sbin/munin20:20:231
18698991714,2cyclictest27269-21sed21:20:001
18698991714,2cyclictest21895-21missed_timers22:05:191
18698991714,2cyclictest18595-21chrt22:57:571
18698991714,2cyclictest0-21swapper/121:10:181
18698991714,1cyclictest0-21swapper/123:21:231
1869899170,2cyclictest854-21ntp_offset20:30:191
1869899170,2cyclictest16580-21expr21:00:141
1869899170,2cyclictest11637-21chrt21:49:261
1869899170,16cyclictest9573-21nfsd422:40:191
1869899170,16cyclictest9474-21nfsd420:45:201
1869899170,16cyclictest7296-21/usr/sbin/munin23:35:191
1869899170,16cyclictest7272-21fschecks_count21:40:141
1869899170,16cyclictest5809-21grep23:30:191
1869899170,16cyclictest426-21systemd-udevd22:38:521
1869899170,16cyclictest3039-21fschecks_count22:30:141
1869899170,16cyclictest25625-21apache_accesses23:10:131
1869899170,16cyclictest2069-21systemd-udevd22:04:521
1869899170,16cyclictest0-21swapper/122:10:121
1869899170,15cyclictest21848-21munin-run23:05:001
1869899170,15cyclictest1829-21systemd-journal22:15:011
18697991715,1cyclictest0-21swapper/023:00:000
18697991715,1cyclictest0-21swapper/021:45:220
18697991714,2cyclictest9089-21apt-config19:50:020
18697991714,2cyclictest7878-21nfsd421:40:170
18697991714,2cyclictest5242-21fschecks_time23:30:160
18697991714,2cyclictest3858-21ls00:25:000
1869799170,2cyclictest31963-21trivial-rewrite19:31:370
1869799170,2cyclictest30829-21expr21:25:160
1869799170,2cyclictest29027-21fschecks_time23:15:150
1869799170,2cyclictest21130-21sendmail00:00:000
1869799170,2cyclictest15834-21latency_hist23:50:010
1869799170,2cyclictest11811-21http21:50:010
1869799170,1cyclictest0-21swapper/021:55:180
1869799170,16cyclictest5354-21/usr/sbin/munin22:35:110
1869799170,16cyclictest4352-21munin-run23:30:000
1869799170,16cyclictest26811-21perf19:25:010
1869799170,16cyclictest22837-21cron20:15:010
1869799170,16cyclictest15480-21cat20:00:140
1869799170,16cyclictest14062-21expr20:55:140
1869799170,16cyclictest10603-21turbostat22:45:000
1869799170,16cyclictest10519-21missed_timers19:50:170
18699991614,1cyclictest22172-21cpuspeed_turbos21:10:142
18699991614,1cyclictest0-21swapper/223:10:142
18699991614,1cyclictest0-21swapper/220:50:152
18699991614,1cyclictest0-21swapper/219:51:062
18699991614,1cyclictest0-21swapper/219:40:132
18699991614,1cyclictest0-21swapper/200:05:112
18699991613,2cyclictest16788-21hddtemp_smartct23:50:152
1869999160,2cyclictest11724-21http_loadtime22:45:162
1869999160,1cyclictest12363-21store21:50:012
1869999160,1cyclictest0-21swapper/221:20:112
1869999160,1cyclictest0-21swapper/221:00:192
1869999160,1cyclictest0-21swapper/200:25:182
1869999160,15cyclictest371-21kernelversion22:25:172
1869999160,15cyclictest31449-21grep21:25:192
1869999160,15cyclictest26422-21grep22:15:132
1869999160,15cyclictest0-21swapper/223:25:172
1869999160,15cyclictest0-21swapper/222:10:122
1869999160,15cyclictest0-21swapper/221:35:152
1869999160,15cyclictest0-21swapper/220:55:142
1869999160,15cyclictest0-21swapper/220:35:142
1869999160,15cyclictest0-21swapper/220:10:222
1869999160,15cyclictest0-21swapper/219:35:142
1869999160,15cyclictest0-21swapper/219:35:142
1869999160,15cyclictest0-21swapper/200:30:112
1869999160,15cyclictest0-21swapper/200:20:012
18698991614,1cyclictest14022-21fschecks_time23:45:161
18698991614,1cyclictest11706-21perl22:45:161
18698991614,1cyclictest0-21swapper/123:25:001
18698991614,1cyclictest0-21swapper/121:20:191
18698991614,1cyclictest0-21swapper/121:05:131
1869899161,1cyclictest5599-21cpuspeed_turbos20:40:151
1869899160,1cyclictest22100-21expr00:00:151
1869899160,1cyclictest12854-21ls21:50:131
1869899160,1cyclictest11270-21proc_pri00:35:211
1869899160,1cyclictest0-21swapper/123:40:111
1869899160,1cyclictest0-21swapper/121:35:171
1869899160,15cyclictest6332-21apache_volume19:45:131
1869899160,15cyclictest27709-21cpu00:10:151
1869899160,15cyclictest22352-21grep23:05:101
1869899160,15cyclictest18599-21latency20:05:181
1869899160,15cyclictest16528-21expr23:50:131
1869899160,15cyclictest15312-21apache_accesses21:55:121
1869899160,15cyclictest14078-21ls20:55:141
1869899160,15cyclictest0-21swapper/123:55:131
1869899160,15cyclictest0-21swapper/120:35:161
1869899160,15cyclictest0-21swapper/120:00:161
1869899160,15cyclictest0-21swapper/119:50:011
1869899160,15cyclictest0-21swapper/100:05:011
18697991615,1cyclictest0-21swapper/000:15:150
18697991614,1cyclictest9-21ksoftirqd/019:40:010
18697991614,1cyclictest9-21ksoftirqd/019:40:010
18697991614,1cyclictest4904-21expr00:25:160
18697991614,1cyclictest27214-21apt-get19:25:130
18697991614,1cyclictest12366-21ntpq20:50:180
18697991614,1cyclictest0-21swapper/023:10:160
18697991614,1cyclictest0-21swapper/022:45:230
18697991614,1cyclictest0-21swapper/022:15:120
18697991614,1cyclictest0-21swapper/021:30:150
18697991614,1cyclictest0-21swapper/021:05:100
18697991614,1cyclictest0-21swapper/020:35:200
18697991614,1cyclictest0-21swapper/020:30:180
18697991614,1cyclictest0-21swapper/019:15:130
18697991614,1cyclictest0-21swapper/000:10:180
18697991613,2cyclictest816-21chrt23:22:390
1869799160,2cyclictest3336-21cat22:30:160
1869799160,2cyclictest18632-21expr22:00:140
1869799160,1cyclictest0-21swapper/023:10:010
1869799160,1cyclictest0-21swapper/022:25:300
1869799160,1cyclictest0-21swapper/021:20:130
1869799160,15cyclictest3781-21cpuspeed_turbos21:35:150
1869799160,15cyclictest29277-21cpuspeed_turbos20:25:160
1869799160,15cyclictest26932-21cat20:20:160
1869799160,15cyclictest24943-21expr21:15:140
1869799160,15cyclictest24284-21fschecks_count20:15:160
1869799160,15cyclictest21574-21cpu00:00:140
1869799160,15cyclictest19952-21wc19:10:180
1869799160,15cyclictest19952-21wc19:10:170
1869799160,15cyclictest17994-21ls20:05:150
1869799160,15cyclictest16069-21apache_processe23:50:110
1869799160,15cyclictest0-21swapper/023:35:150
1869799160,15cyclictest0-21swapper/021:10:170
1869799160,15cyclictest0-21swapper/020:40:220
1869799160,15cyclictest0-21swapper/019:55:120
1869799160,15cyclictest0-21swapper/019:40:180
1869799160,15cyclictest0-21swapper/000:30:120
1869799160,15cyclictest0-21swapper/000:05:140
18699991513,1cyclictest0-21swapper/220:15:022
1869899150,14cyclictest0-21swapper/121:30:011
1869899150,14cyclictest0-21swapper/119:10:021
1869899150,14cyclictest0-21swapper/119:10:021
18697991512,2cyclictest20530-21awk23:00:180
1869799150,1cyclictest0-21swapper/022:20:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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