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2026-01-28 - 22:50
[ 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 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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