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2026-01-21 - 12:06
[ 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 376 highest latencies:
System rackdslot0.osadl.org (updated Wed Jan 21, 2026 00:46:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2145699230,8cyclictest870-21systemd-logind00:08:511
2145699230,22cyclictest870-21systemd-logind22:58:511
2145799210,20cyclictest0-21swapper/220:05:182
21456992120,1cyclictest21-21ksoftirqd/121:00:151
2145699210,20cyclictest201rcuc/100:10:201
2145799209,6cyclictest6326-21munin-run19:40:012
2145799209,6cyclictest6326-21munin-run19:40:002
21457992016,3cyclictest0-21swapper/221:07:572
2145699200,5cyclictest870-21systemd-logind21:48:521
2145699200,19cyclictest870-21systemd-logind19:41:521
2145699200,19cyclictest870-21systemd-logind00:03:511
2145799192,16cyclictest9304-21date22:35:002
21457991916,2cyclictest4683-21nfsd420:30:162
21457991915,3cyclictest14082-21cpuspeed_turbos21:45:122
2145799190,16cyclictest0-21swapper/200:10:022
2145699193,15cyclictest21-21ksoftirqd/121:34:161
21456991918,1cyclictest21-21ksoftirqd/119:56:431
2145699191,1cyclictest111rcu_preempt23:43:271
2145699190,2cyclictest21-21ksoftirqd/121:59:561
2145699190,1cyclictest0-21swapper/122:30:181
2145699190,18cyclictest870-21systemd-logind22:41:511
2145699190,18cyclictest0-21swapper/123:00:121
2145699190,17cyclictest0-21swapper/121:37:481
2145699190,16cyclictest3976-21H222:10:211
2145699190,16cyclictest0-21swapper/123:38:061
2145699190,0cyclictest0-21swapper/122:04:301
2145599191,3cyclictest0-21swapper/023:45:170
21457991816,1cyclictest28-21ksoftirqd/223:45:132
21457991816,1cyclictest21196-21idleruntime22:55:152
21457991813,3cyclictest0-21swapper/220:22:412
2145799181,2cyclictest843-21systemd-network20:46:172
2145799181,2cyclictest25628-21missed_timers19:15:162
2145799181,16cyclictest8583-21nvmesmart_nvme019:40:182
2145799181,16cyclictest1526-21lxd22:44:332
2145799181,16cyclictest1486-21snapd22:45:082
2145799180,3cyclictest1517-21lxd21:58:502
2145799180,2cyclictest3989-21H222:10:212
2145799180,2cyclictest3989-21H222:10:212
2145799180,2cyclictest1478-21snapd21:25:102
2145799180,1cyclictest0-21swapper/219:28:422
2145799180,16cyclictest0-21swapper/223:08:272
2145699184,14cyclictest21-21ksoftirqd/100:32:131
21456991817,1cyclictest201rcuc/123:08:101
21456991815,2cyclictest3991-21H222:10:211
21456991815,2cyclictest3991-21H222:10:211
2145699181,2cyclictest25009-21cpuspeed_turbos22:05:121
2145699181,11cyclictest11424-21latency_hist20:45:011
2145699180,3cyclictest843-21systemd-network19:30:011
2145699180,17cyclictest20905-21python320:05:011
2145699180,17cyclictest20905-21python320:05:011
2145599183,1cyclictest0-21swapper/000:13:280
2145599182,15cyclictest102922sleep021:36:520
2145599182,15cyclictest0-21swapper/000:00:220
21455991815,2cyclictest23090-21cat21:05:010
2145599181,1cyclictest0-21swapper/022:09:300
2145599180,3cyclictest3981-21H222:10:210
2145599180,2cyclictest25646-21latency_hist21:10:020
2145599180,17cyclictest1351-21lxd21:52:500
2145599180,15cyclictest3979-21H222:10:210
21457991714,2cyclictest8441-21sessionclean20:38:592
21457991714,2cyclictest7862-21grep23:30:122
21457991714,2cyclictest32385-21if_err_enp1s023:15:142
21457991714,2cyclictest32181-21tune2fs21:20:142
21457991714,2cyclictest32181-21tune2fs21:20:142
21457991714,2cyclictest30039-21nfsd423:10:182
21457991714,2cyclictest20389-21latency_hist21:00:012
21457991714,2cyclictest1991-21/usr/sbin/munin23:20:132
21457991714,2cyclictest16710-21expr21:50:142
21457991714,2cyclictest11452-21perf20:45:022
21457991714,2cyclictest10627-21head00:30:152
21457991714,2cyclictest0-21swapper/222:25:132
21457991713,3cyclictest0-21swapper/222:37:352
2145799170,2cyclictest3166-21munin-run20:30:012
2145799170,2cyclictest28886-21nfsd422:10:172
2145799170,2cyclictest28697-21nfsd400:05:192
2145799170,2cyclictest22760-21cron23:00:002
2145799170,2cyclictest16827-21cat20:50:212
2145799170,2cyclictest13756-21sed23:40:012
2145799170,2cyclictest12925-21ls00:35:152
2145799170,1cyclictest0-21swapper/219:11:232
2145799170,16cyclictest8840-21fschecks_count21:35:162
2145799170,16cyclictest656-21apache_accesses19:30:102
2145799170,16cyclictest5137-21grep23:25:112
2145799170,16cyclictest3989-21H222:10:212
2145799170,16cyclictest3979-21H222:10:212
2145799170,16cyclictest30343-21mailstats21:15:212
2145799170,16cyclictest28382-21perf21:15:002
2145799170,16cyclictest26970-21smtp22:08:302
2145799170,16cyclictest25742-21ls00:00:172
2145799170,16cyclictest22221-21grep22:00:132
2145799170,16cyclictest10455-21expr19:45:132
2145799170,15cyclictest3983-21H222:10:212
2145699172,15cyclictest21-21ksoftirqd/100:18:081
21456991716,1cyclictest21-21ksoftirqd/119:45:191
21456991716,1cyclictest21-21ksoftirqd/119:35:161
21456991716,1cyclictest21-21ksoftirqd/119:35:161
21456991715,1cyclictest21-21ksoftirqd/122:20:131
21456991715,1cyclictest21-21ksoftirqd/121:06:551
21456991715,1cyclictest201rcuc/119:15:111
21456991714,2cyclictest929-21fschecks_count20:25:141
21456991714,2cyclictest7257-21grep20:35:171
21456991714,2cyclictest2886-21iscsid19:25:171
21456991714,2cyclictest16966-21chrt20:51:031
21456991714,2cyclictest0-21swapper/121:40:181
2145699171,15cyclictest22977-21nfsd419:10:191
2145699171,15cyclictest21-21ksoftirqd/123:55:131
2145699170,2cyclictest3991-21H222:10:211
2145699170,2cyclictest3987-21H222:10:211
2145699170,2cyclictest18136-21/usr/sbin/munin23:45:201
2145699170,2cyclictest14568-21pzem19:50:201
2145699170,2cyclictest11860-21munin-run22:40:001
2145699170,1cyclictest3989-21H222:10:211
2145699170,16cyclictest6415-21cat22:30:011
2145699170,16cyclictest4035-21H222:10:211
2145699170,16cyclictest3983-21H222:10:211
2145699170,16cyclictest30597-21fschecks_count20:20:141
2145699170,16cyclictest30183-21ntp_kernel_pll_23:10:171
2145699170,16cyclictest19086-21tr22:50:181
2145699170,16cyclictest1523-21lxd20:14:501
2145699170,16cyclictest0-21swapper/123:53:541
2145699170,16cyclictest0-21swapper/120:56:211
2145699170,15cyclictest3312-21grep21:25:171
21455991715,1cyclictest9-21ksoftirqd/023:55:380
21455991715,1cyclictest30215-21expr20:20:130
21455991715,1cyclictest12142-21chrt19:49:190
21455991714,2cyclictest993-21dbus-daemon19:38:590
21455991714,2cyclictest993-21dbus-daemon19:38:590
21455991714,2cyclictest9439-21chrt19:44:460
21455991714,2cyclictest843-21systemd-network22:10:500
21455991714,2cyclictest5978-21kernelversion23:25:140
21455991714,2cyclictest3983-21H222:10:210
21455991714,2cyclictest31868-21cat21:20:130
21455991714,2cyclictest31868-21cat21:20:130
21455991714,2cyclictest31681-21nfsd419:25:170
21455991714,2cyclictest29399-21/usr/sbin/munin00:05:220
21455991714,2cyclictest24530-21apt-get20:10:130
21455991714,2cyclictest19884-21chrt22:53:070
21455991714,2cyclictest1100-21snmpd21:10:520
21455991714,2cyclictest10998-21expr23:35:120
21455991714,2cyclictest10394-21latency00:30:160
2145599171,15cyclictest16208-21basename21:50:000
2145599170,2cyclictest5747-21expr22:25:210
2145599170,2cyclictest4829-21nfsd420:30:170
2145599170,2cyclictest31635-21awk22:15:150
2145599170,2cyclictest2735-21/usr/sbin/munin23:20:140
2145599170,2cyclictest26071-21grep19:15:200
2145599170,2cyclictest23054-21nfsd419:10:180
2145599170,2cyclictest17161-21chrt22:48:110
2145599170,2cyclictest1550-21snapd20:52:400
2145599170,1cyclictest0-21swapper/022:44:350
2145599170,16cyclictest28282-21/usr/sbin/munin19:20:150
2145599170,16cyclictest22462-21proxymap20:05:150
2145599170,16cyclictest2175-21grep22:20:160
2145599170,16cyclictest21202-21sed20:05:010
2145599170,16cyclictest21202-21sed20:05:010
2145599170,16cyclictest1548-21missed_timers20:25:160
2145599170,16cyclictest15004-21grep23:40:180
2145599170,16cyclictest14653-21latency_hist00:40:000
2145599170,16cyclictest11043-21sed20:40:220
2145599170,16cyclictest1085-21gdbus21:30:200
2145599170,16cyclictest1079-21cups-browsed19:55:210
21457991614,1cyclictest0-21swapper/223:50:142
21457991614,1cyclictest0-21swapper/223:35:142
21457991614,1cyclictest0-21swapper/221:30:132
21457991614,1cyclictest0-21swapper/220:15:202
21457991614,1cyclictest0-21swapper/200:15:142
2145799160,15cyclictest27705-21expr19:20:122
2145799160,15cyclictest20428-21/usr/sbin/munin21:00:152
2145799160,15cyclictest18556-21sort20:00:132
2145799160,15cyclictest18556-21sort20:00:132
2145799160,15cyclictest12213-21apt-get19:50:022
2145799160,15cyclictest11986-21/usr/sbin/munin21:40:172
2145799160,15cyclictest0-21swapper/222:50:132
2145799160,15cyclictest0-21swapper/222:15:112
21456991614,1cyclictest201rcuc/122:15:111
21456991614,1cyclictest0-21swapper/122:10:171
21456991614,1cyclictest0-21swapper/121:50:161
21456991614,1cyclictest0-21swapper/120:05:021
21456991614,1cyclictest0-21swapper/100:20:141
21456991613,2cyclictest3663-21cstates20:30:121
21456991613,2cyclictest28974-21grep21:15:141
2145699161,14cyclictest21-21ksoftirqd/121:10:181
2145699160,15cyclictest27225-21/usr/sbin/munin20:15:151
2145699160,15cyclictest12770-21df00:35:141
2145699160,15cyclictest0-21swapper/100:25:141
2145699160,15cyclictest0-21swapper/100:25:131
21455991614,1cyclictest27254-21apt-get20:15:120
21455991614,1cyclictest12919-21cnf-update-db19:50:020
21455991614,1cyclictest0-21swapper/023:50:130
21455991614,1cyclictest0-21swapper/023:30:120
21455991614,1cyclictest0-21swapper/021:40:180
21455991614,1cyclictest0-21swapper/020:37:000
21455991614,1cyclictest0-21swapper/000:25:130
21455991614,1cyclictest0-21swapper/000:25:130
21455991614,1cyclictest0-21swapper/000:15:150
2145599160,1cyclictest22414-21cat22:00:130
2145599160,1cyclictest0-21swapper/023:10:140
2145599160,1cyclictest0-21swapper/019:30:130
2145599160,15cyclictest4088-21cpuspeed_turbos00:20:140
2145599160,15cyclictest3311-21nfsd421:25:170
2145599160,15cyclictest27139-21awk23:05:160
2145599160,15cyclictest1100-21snmpd21:55:140
2145599160,15cyclictest0-21swapper/022:55:120
2145599160,15cyclictest0-21swapper/022:35:110
2145599160,15cyclictest0-21swapper/021:15:140
2145599160,15cyclictest0-21swapper/020:55:130
21457991513,1cyclictest0-21swapper/223:55:132
21455991513,1cyclictest0-21swapper/022:30:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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