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2026-02-10 - 08:21
[ 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 00:46:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1180299221,14cyclictest0-21swapper/119:49:451
1180199220,18cyclictest0-21swapper/020:00:550
11803992117,3cyclictest0-21swapper/220:24:362
11803992114,3cyclictest0-21swapper/219:33:262
11801992118,2cyclictest2069-21systemd-udevd22:44:510
11803992017,2cyclictest23369-21perf23:19:592
11803992017,1cyclictest0-21swapper/200:12:532
1180299200,17cyclictest0-21swapper/120:39:481
11801992018,1cyclictest0-21swapper/000:35:140
1180399192,16cyclictest455-21plymouthd22:25:012
1180399190,3cyclictest0-21swapper/200:09:492
1180399190,18cyclictest0-21swapper/223:01:572
1180299192,16cyclictest0-21swapper/121:18:401
11802991917,1cyclictest0-21swapper/100:12:521
1180299190,15cyclictest0-21swapper/100:30:061
1180199190,1cyclictest0-21swapper/020:32:350
1180199190,18cyclictest0-21swapper/021:38:490
1180199190,18cyclictest0-21swapper/020:38:510
11803991815,2cyclictest5438-21cpuspeed_turbos19:55:142
11803991815,2cyclictest22407-21switchtime19:25:202
11803991815,2cyclictest22407-21switchtime19:25:202
11803991814,3cyclictest8177-21tr22:50:182
11803991814,3cyclictest708-21taskset21:40:182
11803991814,3cyclictest708-21taskset21:40:172
11803991814,3cyclictest0-21swapper/223:34:332
1180399180,1cyclictest0-21swapper/219:44:142
1180399180,17cyclictest16530-21cpuspeed_turbos20:15:132
1180399180,17cyclictest1515-21lxd22:26:342
1180399180,17cyclictest0-21swapper/200:20:132
1180299182,15cyclictest0-21swapper/120:22:011
11802991815,2cyclictest11680-21snapd21:42:391
11802991815,2cyclictest11680-21snapd21:42:381
1180299180,16cyclictest0-21swapper/123:59:071
1180199182,15cyclictest0-21swapper/000:06:180
11801991817,1cyclictest26873-21kworker/0:320:50:000
11801991816,1cyclictest0-21swapper/023:13:490
11801991814,3cyclictest455-21plymouthd22:49:500
1180199181,16cyclictest25789-21latency_hist00:20:010
1180199181,16cyclictest19288-21cpuspeed_turbos20:20:140
1180199181,16cyclictest0-21swapper/019:17:220
1180199180,17cyclictest31709-21/usr/sbin/munin20:40:200
11803991714,2cyclictest9669-21apt-key21:00:022
11803991714,2cyclictest9413-21grep23:50:152
11803991714,2cyclictest7497-21smartctl23:45:172
11803991714,2cyclictest5793-21sed22:45:212
11803991714,2cyclictest3954-21VM22:10:212
11803991714,2cyclictest3846-21ntp_kernel_pll_19:50:192
11803991714,2cyclictest3770-21grep00:35:202
11803991714,2cyclictest29628-21cron20:39:002
11803991714,2cyclictest26129-21/usr/sbin/munin19:35:172
11803991714,2cyclictest25781-21nfsd420:30:172
11803991714,2cyclictest25000-21nfsd423:20:192
11803991714,2cyclictest23066-21nfsd420:25:202
11803991714,2cyclictest16689-21chrt22:10:032
11803991714,2cyclictest11924-21/usr/sbin/munin23:55:142
11803991714,2cyclictest11078-21/usr/sbin/munin22:00:122
1180399171,2cyclictest8292-21cat20:00:132
1180399170,2cyclictest8830-21expr21:55:132
1180399170,2cyclictest8294-21processes20:55:202
1180399170,2cyclictest32619-21expr00:30:192
1180399170,2cyclictest11506-21sendmail_mailst22:55:232
1180399170,1cyclictest0-21swapper/223:41:132
1180399170,16cyclictest5207-21latency_hist21:50:012
1180399170,16cyclictest31877-21cpuspeed_turbos19:45:162
1180399170,16cyclictest30215-21grep20:40:142
1180399170,16cyclictest29366-21idleruntime00:25:162
1180399170,16cyclictest27621-21/usr/sbin/munin22:30:102
1180399170,16cyclictest26489-21/usr/sbin/munin21:30:122
1180399170,16cyclictest2305-21cat23:40:012
1180399170,16cyclictest21836-21basename21:20:152
1180399170,16cyclictest21766-21munin-run22:20:002
1180399170,16cyclictest20829-21munin-plugin-st21:20:012
1180399170,16cyclictest20601-21debian-sa123:15:002
1180399170,16cyclictest19594-21sensors19:20:212
1180399170,16cyclictest17907-21perf23:10:012
1180399170,16cyclictest17176-21chrt19:15:282
1180399170,16cyclictest16188-21sed22:09:012
1180399170,16cyclictest1483-21snapd22:35:082
1180399170,16cyclictest13889-21cat20:10:142
1180399170,16cyclictest13052-21cat21:05:132
11802991715,1cyclictest0-21swapper/121:50:161
11802991715,1cyclictest0-21swapper/121:30:161
11802991715,1cyclictest0-21swapper/121:10:181
11802991715,1cyclictest0-21swapper/120:35:021
11802991715,1cyclictest0-21swapper/120:25:231
11802991714,2cyclictest843-21systemd-network22:59:161
11802991714,2cyclictest3223-21expr21:45:131
11802991714,2cyclictest32229-21cat22:35:201
11802991714,2cyclictest23770-21/usr/sbin/munin23:20:131
11802991714,2cyclictest19512-21package-data-do00:05:521
11802991714,2cyclictest1085-21gdbus22:20:211
11802991714,2cyclictest10687-21basename22:00:001
1180299171,15cyclictest316312chrt21:39:191
1180299170,2cyclictest7978-21nfsd422:50:171
1180299170,2cyclictest26705-21grep23:25:151
1180299170,2cyclictest26705-21grep23:25:151
1180299170,2cyclictest19458-21cut23:10:181
1180299170,2cyclictest17052-21fschecks_time20:15:151
1180299170,2cyclictest12805-21chrt20:06:531
1180299170,2cyclictest12265-21grep22:00:171
1180299170,16cyclictest5408-21ntpq22:45:181
1180299170,16cyclictest4964-21grep19:55:011
1180299170,16cyclictest426-21systemd-udevd22:14:521
1180299170,16cyclictest29185-21cut22:30:201
1180299170,16cyclictest28139-21sshd19:35:581
1180299170,16cyclictest26128-21nfsd422:25:191
1180299170,16cyclictest2295-21nfsd422:40:191
1180299170,16cyclictest21981-21kernelversion21:20:171
1180299170,16cyclictest15569-21timerandwakeup22:05:231
1180299170,16cyclictest1525-21lxd21:28:501
1180299170,16cyclictest1484-21snapd19:14:511
1180299170,16cyclictest14448-21sed21:05:511
1180299170,16cyclictest1348-21lxd19:34:491
1180299170,16cyclictest11175-21sed23:55:001
1180299170,16cyclictest0-21swapper/121:00:021
1180299170,16cyclictest0-21swapper/119:55:231
11801991715,1cyclictest863-21avahi-daemon20:55:210
11801991715,1cyclictest5787-21dpkg23:45:010
11801991715,1cyclictest48732sleep021:45:340
11801991715,1cyclictest0-21swapper/000:30:230
11801991715,1cyclictest0-21swapper/000:11:140
11801991714,2cyclictest8512-21switchtime22:50:210
11801991714,2cyclictest5261-21mailstats20:50:200
11801991714,2cyclictest455-21plymouthd20:25:190
11801991714,2cyclictest399-20systemd-journal23:19:560
11801991714,2cyclictest32617-21/usr/sbin/munin19:45:180
11801991714,2cyclictest3208-21JS22:10:210
11801991714,2cyclictest25688-21chrt19:34:390
11801991714,2cyclictest2106-21smtp23:39:480
11801991714,2cyclictest18602-21tune2fs19:20:140
11801991714,2cyclictest1550-21snapd19:55:090
11801991714,2cyclictest1521-21lxd21:10:500
11801991714,2cyclictest14099-21ntpq23:00:190
11801991714,2cyclictest13485-21sed19:10:150
11801991714,2cyclictest13436-21munin-run22:05:010
11801991714,2cyclictest10211-21cat22:55:150
11801991714,2cyclictest10202-21cat23:50:190
1180199171,1cyclictest0-21swapper/023:09:000
1180199171,15cyclictest0-21swapper/021:40:210
1180199171,15cyclictest0-21swapper/021:40:210
1180199170,2cyclictest26273-21expr00:20:150
1180199170,2cyclictest23723-21pzem_energy22:20:200
1180199170,1cyclictest0-21swapper/019:35:120
1180199170,16cyclictest9003-21fschecks_count21:55:150
1180199170,16cyclictest29928-21perl23:30:140
1180199170,16cyclictest17157-21if_eno120:15:160
1180199170,16cyclictest13516-21if_enp1s021:05:160
1180199170,16cyclictest0-21swapper/023:22:360
11803991614,1cyclictest0-21swapper/223:25:132
11803991614,1cyclictest0-21swapper/223:25:122
11803991614,1cyclictest0-21swapper/220:45:132
11803991614,1cyclictest0-21swapper/219:10:012
11803991614,1cyclictest0-21swapper/200:15:122
11803991613,2cyclictest29302-21grep21:35:122
1180399160,15cyclictest886-21dpkg22:40:132
1180399160,15cyclictest6178-21expr21:50:152
1180399160,15cyclictest4458-21basename20:50:142
1180399160,15cyclictest16125-21expr21:10:132
1180399160,15cyclictest15268-21/usr/sbin/munin00:00:122
1180399160,15cyclictest0-21swapper/220:05:152
11802991614,1cyclictest18224-21expr19:20:141
11802991614,1cyclictest147062chrt23:01:111
11802991614,1cyclictest0-21swapper/123:30:121
11802991614,1cyclictest0-21swapper/123:05:191
11802991614,1cyclictest0-21swapper/120:55:141
11802991614,1cyclictest0-21swapper/119:40:171
11802991614,1cyclictest0-21swapper/100:25:181
11802991614,1cyclictest0-21swapper/100:20:161
11802991614,1cyclictest0-21swapper/100:00:191
1180299160,2cyclictest8465-21expr20:00:121
1180299160,1cyclictest6240-21expr23:45:121
1180299160,15cyclictest2760-21cat00:35:171
1180299160,15cyclictest23619-21cat00:15:131
1180299160,15cyclictest21632-21sed19:25:161
1180299160,15cyclictest21632-21sed19:25:151
1180299160,15cyclictest215152chrt22:16:581
1180299160,15cyclictest16261-21latency19:15:171
1180299160,15cyclictest14093-21cat20:10:141
1180299160,15cyclictest0-21swapper/123:43:091
1180299160,15cyclictest0-21swapper/123:35:181
1180299160,15cyclictest0-21swapper/123:15:131
1180299160,15cyclictest0-21swapper/120:50:111
11801991614,1cyclictest31575-21grep22:35:170
11801991614,1cyclictest18606-21sed22:10:240
11801991614,1cyclictest0-21swapper/020:10:180
11801991614,1cyclictest0-21swapper/020:05:130
11801991614,1cyclictest0-21swapper/019:40:140
11801991614,1cyclictest0-21swapper/019:25:190
11801991614,1cyclictest0-21swapper/019:25:190
11801991613,2cyclictest27339-21/usr/sbin/munin23:25:170
11801991613,2cyclictest27339-21/usr/sbin/munin23:25:160
11801991613,2cyclictest1035-21thermald22:25:200
1180199160,2cyclictest20869-21awk22:15:210
1180199160,2cyclictest19148-21if_err_eno121:15:160
1180199160,1cyclictest0-21swapper/021:30:170
1180199160,1cyclictest0-21swapper/021:00:020
1180199160,15cyclictest5636-21apache_volume21:50:120
1180199160,15cyclictest29422-21cat00:25:170
1180199160,15cyclictest14696-21dpkg00:00:110
1180199160,15cyclictest14262-21systemctl00:00:000
1180199160,15cyclictest0-21swapper/023:40:150
1180199160,15cyclictest0-21swapper/022:05:170
1180199160,15cyclictest0-21swapper/021:25:170
1180199160,15cyclictest0-21swapper/021:20:130
1180199160,15cyclictest0-21swapper/019:50:160
11802991512,2cyclictest455-21plymouthd20:40:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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