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2026-01-28 - 18:47
[ 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 Wed Jan 28, 2026 12:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6589993733,2cyclictest0-21swapper/212:25:152
6588993029,0cyclictest0-21swapper/108:30:181
6588993029,0cyclictest0-21swapper/107:25:471
6588992717,0cyclictest0-21swapper/107:20:451
6588992424,0cyclictest0-21swapper/111:30:161
658999230,18cyclictest0-21swapper/209:00:012
6589992015,3cyclictest20208-21grep12:20:132
658899205,15cyclictest0-21swapper/108:20:251
658899200,3cyclictest26098-21dump-pmu-power09:40:001
658799204,15cyclictest0-21swapper/012:00:000
6589991916,2cyclictest27217-21nfsd412:30:152
658999191,17cyclictest0-21swapper/211:10:222
658999190,1cyclictest0-21swapper/211:55:582
658999190,18cyclictest0-21swapper/208:14:542
6588991916,2cyclictest31198-21idleruntime-cro12:39:591
658899191,3cyclictest0-21swapper/112:12:241
658899190,18cyclictest0-21swapper/109:27:411
658799191,2cyclictest0-21swapper/007:20:140
658799190,1cyclictest0-21swapper/009:38:290
658999186,11cyclictest0-21swapper/210:28:532
658999181,2cyclictest1517-21lxd10:02:412
658999180,17cyclictest399-20systemd-journal07:38:592
658999180,17cyclictest24928-21cron08:40:012
658999180,17cyclictest0-21swapper/207:30:222
658999180,17cyclictest0-21swapper/207:30:212
658899182,15cyclictest0-21swapper/112:02:221
6588991816,1cyclictest0-21swapper/107:39:061
658899181,16cyclictest993-21dbus-daemon11:50:181
658799182,15cyclictest6000-21grep10:55:160
658799182,15cyclictest3051-21cut11:50:000
658799182,15cyclictest109702sleep012:01:300
6587991813,1cyclictest0-21swapper/010:51:250
658799181,16cyclictest0-21swapper/010:30:000
6589991714,2cyclictest937-21fschecks_count11:45:122
6589991714,2cyclictest8924-21/usr/sbin/munin12:00:112
6589991714,2cyclictest7564-21expr09:05:132
6589991714,2cyclictest30822-21acpi08:50:112
6589991714,2cyclictest22424-21sendmail_mailqu09:30:192
6589991714,2cyclictest2174-21munin-run08:00:012
6589991714,2cyclictest16164-21sed07:25:152
6589991714,2cyclictest1478-21snapd07:47:392
6589991714,2cyclictest14507-21cpuspeed_turbos08:20:142
658999170,2cyclictest31295-21python312:40:002
658999170,2cyclictest30966-21threads09:45:212
658999170,2cyclictest26278-21needreboot10:35:152
658999170,2cyclictest23638-21cut10:30:152
658999170,2cyclictest19223-21vmstat12:15:202
658999170,2cyclictest17974-21latency08:25:172
658999170,2cyclictest15769-21nfsd412:10:172
658999170,2cyclictest1485-21snapd07:10:092
658999170,1cyclictest0-21swapper/207:50:232
658999170,16cyclictest989-21gmain08:10:022
658999170,16cyclictest9409-21nfsd410:05:172
658999170,16cyclictest399-20systemd-journal09:21:092
658999170,16cyclictest3954-21VM22:10:212
658999170,16cyclictest3718-21missed_timers09:55:162
658999170,16cyclictest26271-21/usr/sbin/munin08:40:162
658999170,16cyclictest24886-21memory07:40:172
658999170,16cyclictest16630-21ls11:15:142
658999170,16cyclictest1486-21snapd09:00:372
658999170,16cyclictest14212-21apache_accesses10:15:102
658999170,16cyclictest13878-21cat08:20:002
658999170,16cyclictest0-21swapper/211:30:172
658999170,16cyclictest0-21swapper/210:40:012
6588991714,2cyclictest843-21systemd-network10:44:411
6588991714,2cyclictest5512-21/usr/sbin/munin08:05:131
6588991714,2cyclictest3158-21grep09:55:141
6588991714,2cyclictest31536-21chrt07:54:221
6588991714,2cyclictest31062-21sed09:45:211
6588991714,2cyclictest31007-21expr08:50:131
6588991714,2cyclictest22423-21sendmail_mailqu09:30:191
6588991714,2cyclictest18355-21nfsd408:25:171
6588991714,2cyclictest10140-21perf11:05:001
6588991714,2cyclictest10140-21perf11:05:001
6588991714,2cyclictest0-21swapper/109:15:141
6588991714,2cyclictest0-21swapper/109:15:141
6588991714,1cyclictest0-21swapper/111:59:581
6588991713,3cyclictest0-21swapper/111:21:301
658899171,15cyclictest6247-21mailstats10:55:201
658899171,15cyclictest28038-21proc_pri07:45:201
658899171,15cyclictest0-21swapper/108:40:181
658899170,2cyclictest22995-21expr08:35:121
658899170,2cyclictest20902-21nfsd410:25:181
658899170,1cyclictest0-21swapper/108:10:021
658899170,16cyclictest863-21avahi-daemon10:20:201
658899170,16cyclictest8423-21awk09:05:181
658899170,16cyclictest32679-21/usr/sbin/munin11:45:151
658899170,16cyclictest16969-21iwlist11:15:161
658899170,16cyclictest10855-21cut07:15:161
6587991715,1cyclictest313982chrt07:52:290
6587991715,1cyclictest203072chrt09:28:090
6587991715,1cyclictest0-21swapper/011:25:200
6587991714,2cyclictest7523-21grep07:10:130
6587991714,2cyclictest3241-21http_loadtime09:55:150
6587991714,2cyclictest31451-21apt-config12:40:010
6587991714,2cyclictest29409-21nfsd408:45:170
6587991714,2cyclictest28004-21lxd07:26:410
6587991714,2cyclictest26561-21open_files10:35:170
6587991714,2cyclictest26116-21expr12:30:110
6587991714,2cyclictest25747-21expr08:40:130
6587991714,2cyclictest24128-21if_err_enp1s012:25:140
6587991714,2cyclictest21543-21/usr/sbin/munin12:20:190
6587991714,2cyclictest19003-21runrttasks08:25:440
6587991714,2cyclictest1695-21chrt07:55:340
6587991714,2cyclictest15347-21cat08:20:170
6587991714,2cyclictest1341-21switchtime09:50:210
6587991714,2cyclictest11402-21apt-config10:10:010
6587991714,2cyclictest10111-21timerwakeupswit10:05:200
658799171,1cyclictest11649-21switchtime09:10:210
658799170,2cyclictest8738-21gpgconf08:10:020
658799170,2cyclictest28542-21wc11:35:180
658799170,2cyclictest17920-21munin-plugin-st09:25:010
658799170,16cyclictest863-21avahi-daemon11:00:200
658799170,16cyclictest863-21avahi-daemon11:00:200
658799170,16cyclictest3327-21/usr/sbin/munin08:55:210
658799170,16cyclictest1377-21lxd09:34:410
658799170,16cyclictest13663-21latency09:15:170
658799170,16cyclictest13663-21latency09:15:170
658799170,16cyclictest0-21swapper/011:10:130
6589991614,1cyclictest0-21swapper/211:50:172
6589991614,1cyclictest0-21swapper/211:40:172
6589991614,1cyclictest0-21swapper/211:25:142
6589991614,1cyclictest0-21swapper/211:20:152
6589991614,1cyclictest0-21swapper/211:05:102
6589991614,1cyclictest0-21swapper/209:25:112
6589991614,1cyclictest0-21swapper/208:30:132
6589991614,1cyclictest0-21swapper/207:20:152
6589991613,2cyclictest7484-21gpgconf11:00:002
6589991613,2cyclictest7484-21gpgconf11:00:002
658999160,2cyclictest27916-21ntp_states09:40:192
658999160,1cyclictest16987-21cpu10:20:132
658999160,1cyclictest10412-21expr09:10:132
658999160,15cyclictest5586-21kernelversion10:55:152
658999160,15cyclictest40622chrt10:52:432
658999160,15cyclictest32529-21grep10:45:172
658999160,15cyclictest32188-21grep09:50:132
658999160,15cyclictest28089-21/usr/sbin/munin08:45:142
658999160,15cyclictest1551-21snapd09:15:102
658999160,15cyclictest1551-21snapd09:15:092
658999160,15cyclictest10679-21apt-get10:10:022
658999160,15cyclictest0-21swapper/212:05:182
658999160,15cyclictest0-21swapper/209:40:012
658999160,15cyclictest0-21swapper/208:00:192
6588991614,1cyclictest2205-21df_inode10:50:161
6588991614,1cyclictest11959-21expr12:05:121
6588991614,1cyclictest11932-21ntp_offset11:05:171
6588991614,1cyclictest0-21swapper/111:25:191
6588991614,1cyclictest0-21swapper/111:10:141
6588991614,1cyclictest0-21swapper/109:10:131
6588991614,1cyclictest0-21swapper/109:00:131
6588991614,1cyclictest0-21swapper/107:40:141
6588991613,2cyclictest2741-21cpuspeed_turbos08:00:131
6588991613,2cyclictest26498-21/usr/sbin/munin09:40:121
6588991613,2cyclictest12313-21cat10:10:141
6588991613,2cyclictest0-21swapper/112:25:171
658899161,1cyclictest0-21swapper/108:15:131
658899160,2cyclictest8425-21pzem_power07:10:191
658899160,2cyclictest30931-21ls11:40:171
658899160,2cyclictest22829-21cat10:30:111
658899160,2cyclictest20541-21ls12:20:131
658899160,2cyclictest1575-21expr08:55:121
658899160,1cyclictest0-21swapper/112:15:101
658899160,1cyclictest0-21swapper/107:32:571
658899160,1cyclictest0-21swapper/107:32:571
658899160,15cyclictest8746-21expr10:05:131
658899160,15cyclictest6016-21expr10:00:151
658899160,15cyclictest31189-21apt-get10:45:121
658899160,15cyclictest308-21idleruntime07:55:131
658899160,15cyclictest29423-21grep08:45:171
658899160,15cyclictest15871-21cat09:20:151
658899160,15cyclictest0-21swapper/112:30:151
658899160,15cyclictest0-21swapper/110:35:131
658899160,15cyclictest0-21swapper/110:15:191
6587991614,1cyclictest11833-21expr12:05:120
6587991614,1cyclictest0-21swapper/010:15:100
6587991614,1cyclictest0-21swapper/008:05:150
6587991614,1cyclictest0-21swapper/007:37:370
6587991613,2cyclictest3351-21lxd09:00:410
6587991613,2cyclictest29789-21cat09:45:140
6587991613,2cyclictest11692-21grep11:05:160
658799160,2cyclictest26486-21chrt09:40:010
658799160,2cyclictest12131-21df08:15:130
658799160,2cyclictest10304-21/usr/sbin/munin07:15:130
658799160,1cyclictest23150-21sed10:30:130
658799160,1cyclictest0-21swapper/011:15:150
658799160,1cyclictest0-21swapper/008:30:170
658799160,1cyclictest0-21swapper/007:33:410
658799160,1cyclictest0-21swapper/007:33:410
658799160,15cyclictest6053-21df10:00:150
658799160,15cyclictest455-21plymouthd11:30:120
658799160,15cyclictest2467-21/usr/sbin/munin08:00:210
658799160,15cyclictest18989-21sendmail-mta10:21:240
658799160,15cyclictest1550-21snapd08:35:100
658799160,15cyclictest14562-21dpkg12:10:120
658799160,15cyclictest0-21swapper/011:20:140
658799160,15cyclictest0-21swapper/010:45:130
658799160,15cyclictest0-21swapper/010:40:020
658799160,15cyclictest0-21swapper/008:50:150
658799160,15cyclictest0-21swapper/007:45:140
658799160,15cyclictest0-21swapper/007:40:150
6588991513,1cyclictest31940-21acpi09:50:111
658799150,1cyclictest0-21swapper/012:15:130
658799150,1cyclictest0-21swapper/011:50:120
658799150,15cyclictest0-21swapper/009:05:140
658799150,14cyclictest0-21swapper/011:40:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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