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2026-02-10 - 15:14
[ 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 Tue Feb 10, 2026 12:46:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2788799350,34cyclictest0-21swapper/010:10:130
27888993222,9cyclictest0-21swapper/109:35:011
27888993222,9cyclictest0-21swapper/109:35:011
2788999214,16cyclictest0-21swapper/208:40:182
27888992121,0cyclictest0-21swapper/107:25:151
2788899210,20cyclictest870-21systemd-logind10:16:521
2788999203,2cyclictest14408-21python308:40:012
2788899200,19cyclictest426-21systemd-udevd09:08:511
27887992014,3cyclictest29179-21needreboot10:00:170
2788999193,15cyclictest4644-21latency08:20:172
2788999192,15cyclictest0-21swapper/210:11:112
27889991916,2cyclictest17661-21http_loadtime11:35:142
27889991914,4cyclictest3351-21lxd11:50:412
27889991914,3cyclictest0-21swapper/207:13:562
2788999190,18cyclictest0-21swapper/212:25:162
27888991916,2cyclictest23866-21smtp07:57:221
27888991916,2cyclictest10071-21timerandwakeup11:20:211
27888991916,2cyclictest0-21swapper/111:55:151
2788799190,18cyclictest0-21swapper/011:55:160
2788799190,17cyclictest30126-21nfsd409:05:180
2788999182,15cyclictest0-21swapper/211:04:052
27889991816,1cyclictest6063-21mii-tool07:25:152
27889991815,2cyclictest7810-21chrt11:19:472
27889991814,3cyclictest26272-21cpuspeed_turbos09:00:152
2788999180,17cyclictest0-21swapper/211:08:462
2788999180,16cyclictest993-21dbus-daemon07:15:202
2788999180,16cyclictest993-21dbus-daemon07:15:202
2788899182,1cyclictest199922sleep108:47:451
2788899182,15cyclictest26657-21ntp_offset09:55:181
27888991816,1cyclictest0-21swapper/111:35:191
27888991816,1cyclictest0-21swapper/109:01:421
27888991815,2cyclictest3983-21H222:10:211
27888991815,2cyclictest21930-21chrt11:42:131
2788899180,3cyclictest1516-21lxd11:50:411
2788899180,17cyclictest843-21systemd-network09:35:011
2788899180,16cyclictest3991-21H222:10:211
2788799182,8cyclictest1003-21python307:20:010
2788799182,8cyclictest1003-21python307:20:010
2788799182,1cyclictest127212sleep007:36:240
2788799182,15cyclictest0-21swapper/011:04:590
27887991816,1cyclictest0-21swapper/012:05:180
27887991816,1cyclictest0-21swapper/008:00:150
27887991815,2cyclictest847-21grep09:10:200
2788799181,2cyclictest3450-21gsd-color09:25:200
2788799180,17cyclictest0-21swapper/008:13:520
2788799180,17cyclictest0-21swapper/008:13:520
27889991715,1cyclictest28-21ksoftirqd/210:30:152
27889991714,2cyclictest9111-21apache_accesses08:30:142
27889991714,2cyclictest9023-21missed_timers07:30:182
27889991714,2cyclictest6204-21df_inode09:20:162
27889991714,2cyclictest399-20systemd-journal11:45:002
27889991714,2cyclictest2837-21kernelversion07:20:172
27889991714,2cyclictest18178-21cpuspeed_turbos12:35:132
27889991714,2cyclictest16239-21chrt09:36:482
27889991714,2cyclictest13661-21cpuspeed_turbos07:40:142
27889991714,2cyclictest13579-21apt-config11:30:012
27889991714,2cyclictest12192-21http_loadtime09:30:152
27889991714,2cyclictest12192-21http_loadtime09:30:152
27889991714,1cyclictest0-21swapper/211:25:002
2788999171,15cyclictest2945-21expr09:15:162
2788999171,15cyclictest0-21swapper/208:50:172
2788999170,2cyclictest5779-21ntpq10:15:172
2788999170,2cyclictest32066-21/usr/sbin/munin09:10:242
2788999170,2cyclictest3053-21systemd-logind08:46:522
2788999170,2cyclictest21773-21vmstat09:45:242
2788999170,2cyclictest1007-21latency_hist10:10:012
2788999170,16cyclictest3053-21systemd-logind12:22:512
2788999170,16cyclictest26541-21grep09:55:172
2788999170,16cyclictest15945-21lxd10:26:412
2788999170,16cyclictest15423-21nfsd411:30:192
2788999170,16cyclictest12259-21grep07:35:202
2788999170,16cyclictest0-21swapper/212:10:002
27888991715,1cyclictest0-21swapper/107:35:161
27888991714,2cyclictest3053-21systemd-logind11:02:521
27888991714,2cyclictest15565-21grep10:35:141
27888991714,2cyclictest0-21swapper/108:25:181
2788899171,1cyclictest0-21swapper/110:20:131
2788899170,2cyclictest843-21systemd-network11:25:191
2788899170,2cyclictest628-21dpkg07:17:311
2788899170,2cyclictest628-21dpkg07:17:311
2788899170,2cyclictest4023-21PluginScanner07:50:211
2788899170,2cyclictest3351-21lxd07:10:411
2788899170,2cyclictest3053-21systemd-logind12:04:511
2788899170,2cyclictest22916-21munin-run08:55:001
2788899170,2cyclictest18177-21grep12:35:131
2788899170,2cyclictest1614-21cat10:10:141
2788899170,2cyclictest15360-21timerandwakeup07:40:221
2788899170,2cyclictest14191-21/usr/sbin/munin11:30:171
2788899170,1cyclictest0-21swapper/112:29:021
2788899170,16cyclictest7472-21expr12:15:121
2788899170,16cyclictest28865-21/usr/sbin/munin10:00:161
2788899170,16cyclictest27903-21fschecks_time08:05:151
2788899170,16cyclictest24783-21chrt11:49:011
2788899170,16cyclictest24783-21chrt11:49:011
2788899170,16cyclictest20964-21apache_processe10:45:111
2788899170,16cyclictest1523-21lxd09:54:411
2788899170,16cyclictest1522-21lxd12:14:411
2788899170,16cyclictest13247-21fschecks_count10:30:141
2788899170,16cyclictest0-21swapper/109:43:321
27887991714,2cyclictest882-21/usr/sbin/munin11:05:190
27887991714,2cyclictest5919-21chrt08:24:290
27887991714,2cyclictest5437-21cat09:20:010
27887991714,2cyclictest4035-21H222:10:210
27887991714,2cyclictest28698-21cron11:00:000
27887991714,2cyclictest24921-21grep08:55:200
27887991714,2cyclictest24011-21ps09:50:200
27887991714,2cyclictest20862-21date12:40:000
27887991714,2cyclictest17967-21latency11:35:150
2788799171,15cyclictest0-21swapper/012:15:180
2788799170,2cyclictest24367-21timerandwakeup11:45:210
2788799170,2cyclictest24367-21timerandwakeup11:45:210
2788799170,2cyclictest20407-21chrt10:43:250
2788799170,2cyclictest18867-21sed08:45:170
2788799170,2cyclictest1550-21snapd11:22:390
2788799170,2cyclictest13988-21ntp_offset10:30:180
2788799170,16cyclictest9875-21apache_processe10:25:120
2788799170,16cyclictest6344-21awk10:15:220
2788799170,16cyclictest23132-21grep07:55:190
2788799170,16cyclictest17757-21chrt10:39:490
2788799170,16cyclictest1522-21lxd07:42:410
2788799170,16cyclictest14824-21uniq09:35:150
2788799170,16cyclictest14099-21latency_hist09:35:010
2788799170,16cyclictest14099-21latency_hist09:35:010
2788799170,16cyclictest13103-21expr12:25:150
2788799170,16cyclictest12109-21expr08:35:130
2788799170,16cyclictest11537-21cat11:25:130
2788799170,16cyclictest1079-21cups-browsed07:50:200
27889991614,1cyclictest19385-21needreboot10:40:182
27889991614,1cyclictest1153-21grep08:15:142
27889991614,1cyclictest0-21swapper/210:55:122
27889991614,1cyclictest0-21swapper/210:45:122
27889991614,1cyclictest0-21swapper/210:35:212
27889991614,1cyclictest0-21swapper/208:10:132
27889991614,1cyclictest0-21swapper/208:10:132
27889991614,1cyclictest0-21swapper/208:00:132
27889991613,2cyclictest7154-21apache_processe10:20:112
27889991613,2cyclictest31418-21fschecks_time12:00:122
27889991613,2cyclictest18682-21sendmail_mailtr09:40:202
2788999160,2cyclictest28773-21/usr/sbin/munin09:05:142
2788999160,2cyclictest17533-21nfsd407:45:182
2788999160,1cyclictest0-21swapper/211:10:132
2788999160,1cyclictest0-21swapper/209:25:122
2788999160,1cyclictest0-21swapper/208:55:122
2788999160,1cyclictest0-21swapper/208:05:122
2788999160,15cyclictest7846-21proc_pri08:25:202
2788999160,15cyclictest7688-21expr12:15:122
2788999160,15cyclictest30044-21chrt11:56:232
2788999160,15cyclictest22949-21strings07:55:192
2788999160,15cyclictest22575-21apache_volume11:45:122
2788999160,15cyclictest22575-21apache_volume11:45:122
2788999160,15cyclictest2069-21systemd-udevd10:54:522
2788999160,15cyclictest19294-21ls07:50:132
2788999160,15cyclictest0-21swapper/212:30:162
2788999160,15cyclictest0-21swapper/212:10:172
2788999160,15cyclictest0-21swapper/210:00:132
27888991614,1cyclictest3351-21lxd10:08:411
27888991614,1cyclictest24164-21cat10:50:131
27888991614,1cyclictest0-21swapper/111:15:171
27888991614,1cyclictest0-21swapper/111:10:311
27888991614,1cyclictest0-21swapper/110:40:141
27888991614,1cyclictest0-21swapper/108:40:141
27888991614,1cyclictest0-21swapper/108:20:131
27888991614,1cyclictest0-21swapper/108:10:121
27888991614,1cyclictest0-21swapper/108:10:121
27888991613,2cyclictest23700-21expr08:55:131
27888991613,2cyclictest16784-21expr07:45:141
2788899161,1cyclictest0-21swapper/108:00:131
2788899160,2cyclictest9852-21/usr/sbin/munin10:25:121
2788899160,2cyclictest9388-21missed_timers09:25:161
2788899160,1cyclictest1659-21cat08:15:171
2788899160,15cyclictest813-21nfsd411:05:181
2788899160,15cyclictest399-20systemd-journal10:55:011
2788899160,15cyclictest2739-21pzem_current12:05:191
2788899160,15cyclictest16465-21missed_timers12:30:181
2788899160,15cyclictest10650-21idleruntime12:20:141
2788899160,15cyclictest0-21swapper/109:20:191
2788899160,15cyclictest0-21swapper/109:15:181
2788899160,15cyclictest0-21swapper/109:10:011
2788899160,15cyclictest0-21swapper/108:30:151
2788899160,15cyclictest0-21swapper/107:20:141
27887991614,1cyclictest9874-21/usr/sbin/munin12:20:120
27887991614,1cyclictest6392-21apache_volume08:25:130
27887991614,1cyclictest10321-21nfsd408:30:210
27887991614,1cyclictest0-21swapper/012:10:120
27887991614,1cyclictest0-21swapper/012:00:110
27887991614,1cyclictest0-21swapper/011:40:170
27887991614,1cyclictest0-21swapper/011:30:170
27887991614,1cyclictest0-21swapper/011:20:000
27887991614,1cyclictest0-21swapper/011:10:130
27887991614,1cyclictest0-21swapper/009:20:150
27887991614,1cyclictest0-21swapper/009:00:190
27887991614,1cyclictest0-21swapper/007:45:120
2788799160,15cyclictest991-21latency_hist10:10:010
2788799160,15cyclictest573-21expr08:15:130
2788799160,15cyclictest20528-21tune2fs09:45:150
2788799160,15cyclictest17104-21apt-get09:40:130
2788799160,15cyclictest0-21swapper/011:50:140
2788799160,15cyclictest0-21swapper/010:45:110
2788799160,15cyclictest0-21swapper/010:20:130
2788799160,15cyclictest0-21swapper/008:50:170
2788799160,15cyclictest0-21swapper/008:40:210
27889991513,1cyclictest23951-21nvmesmart_nvme009:50:202
27888991514,1cyclictest0-21swapper/108:35:131
27887991514,1cyclictest0-21swapper/009:56:090
27887991514,1cyclictest0-21swapper/007:30:210
27887991513,1cyclictest0-21swapper/007:26:560
2788799150,1cyclictest0-21swapper/010:50:170
2788799150,14cyclictest0-21swapper/008:05:130
2788799150,0cyclictest0-21swapper/012:30:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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