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2026-02-28 - 22:44
[ 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 Sat Feb 28, 2026 12:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1731992725,2cyclictest0-21swapper/110:50:211
1732992625,0cyclictest0-21swapper/212:30:152
1732992625,0cyclictest0-21swapper/212:30:142
173299230,18cyclictest0-21swapper/210:55:172
1730992322,0cyclictest0-21swapper/010:50:200
1732992118,2cyclictest14172-21cat12:15:152
173299210,20cyclictest45352sleep207:13:222
173099210,20cyclictest843-21systemd-network08:03:180
173299203,11cyclictest0-21swapper/208:08:432
1732992015,3cyclictest0-21swapper/211:30:012
173299200,5cyclictest0-21swapper/209:30:182
173299200,3cyclictest8354-21fschecks_count12:05:122
1731992016,3cyclictest0-21swapper/108:55:141
173299193,15cyclictest0-21swapper/208:57:302
173299192,2cyclictest17799-21cat08:35:002
1732991917,1cyclictest12859-21awk09:20:192
1732991916,2cyclictest3979-21H222:10:212
1732991916,2cyclictest28739-21cut08:55:012
1732991915,3cyclictest0-21swapper/209:04:412
1732991914,3cyclictest0-21swapper/208:49:122
173299190,3cyclictest0-21swapper/211:56:382
173299190,18cyclictest23748-21cat10:40:002
173199199,0cyclictest0-21swapper/112:37:411
1731991918,0cyclictest0-21swapper/109:49:191
1731991916,2cyclictest29980-21chrt09:50:351
1731991914,3cyclictest0-21swapper/108:48:561
1731991913,5cyclictest21791-21timerandwakeup11:30:211
173199190,16cyclictest0-21swapper/107:20:191
173099192,16cyclictest14563-21grep12:15:160
173099192,16cyclictest0-21swapper/008:49:270
1732991816,1cyclictest0-21swapper/207:39:002
1732991815,2cyclictest7094-21chrt12:02:102
1732991815,2cyclictest19401-21ntp_offset08:35:192
1732991815,2cyclictest19401-21ntp_offset08:35:182
1732991815,2cyclictest15037-21expr07:30:182
1732991814,3cyclictest1348-21lxd10:18:422
1732991814,2cyclictest3989-21H222:10:212
1732991814,2cyclictest0-21swapper/207:20:222
173299181,3cyclictest0-21swapper/207:59:222
1732991813,4cyclictest0-21swapper/211:40:152
173299180,17cyclictest18095-21nfsd411:25:172
173199182,1cyclictest284792chrt08:52:351
173199182,15cyclictest7122-21chrt12:02:331
1731991816,1cyclictest21-21ksoftirqd/107:30:271
1731991814,3cyclictest3976-21H222:10:211
173199180,15cyclictest3987-21H222:10:211
1730991815,2cyclictest1320-21nsca07:35:220
1730991815,1cyclictest111rcu_preempt09:04:550
1730991814,3cyclictest2007-21systemd-journal11:35:590
1730991814,3cyclictest1856-21systemd-udevd08:58:510
173099181,16cyclictest27241-21if_lxdbr008:50:160
173099181,16cyclictest10483-21cat11:10:200
173099181,16cyclictest0-21swapper/009:48:040
173099180,2cyclictest4035-21H222:10:210
173099180,18cyclictest0-21swapper/008:28:530
173099180,15cyclictest4099-21H222:10:210
1732991715,1cyclictest14889-21sed11:20:162
1732991715,1cyclictest13975-21latency10:20:162
1732991715,1cyclictest13975-21latency10:20:152
1732991715,1cyclictest0-21swapper/210:00:132
1732991714,2cyclictest9595-21kernelversion11:10:152
1732991714,2cyclictest6478-21grep11:05:142
1732991714,2cyclictest5883-21nfsd410:05:172
1732991714,2cyclictest4893-21cstates08:10:122
1732991714,2cyclictest3717-21grep09:05:152
1732991714,2cyclictest31382-21fschecks_time08:00:162
1732991714,2cyclictest29753-21cpuspeed_turbos10:50:172
1732991714,2cyclictest29055-21cat11:45:122
1732991714,2cyclictest25384-21cpuspeed_turbos09:45:132
1732991714,2cyclictest25295-21ls07:50:142
1732991714,2cyclictest25252-21cstates12:35:102
1732991714,2cyclictest21431-21cut12:30:012
1732991714,2cyclictest19388-21grep07:40:152
1732991714,2cyclictest16437-21cstates12:20:132
1732991714,2cyclictest12656-21grep08:25:142
1732991714,2cyclictest11126-21nfsd408:20:182
173299171,2cyclictest24640-21cut07:50:012
173299171,15cyclictest0-21swapper/211:35:202
173299171,15cyclictest0-21swapper/210:10:142
173299171,15cyclictest0-21swapper/209:25:152
173299170,2cyclictest7906-21if_enp1s008:15:162
173299170,2cyclictest1340-21anvil11:53:142
173299170,1cyclictest0-21swapper/211:00:142
173299170,16cyclictest6019-21apache_accesses09:10:112
173299170,16cyclictest32042-21expr09:55:182
173299170,16cyclictest29226-21sed10:50:012
173299170,16cyclictest25050-21cut10:40:172
173299170,16cyclictest23788-21expr09:40:172
173299170,16cyclictest22310-21ntp_states08:40:182
173299170,16cyclictest20886-21sed10:35:012
173299170,16cyclictest19952-21expr09:35:122
173299170,16cyclictest0-21swapper/209:15:132
1731991715,1cyclictest21-21ksoftirqd/108:11:011
1731991715,1cyclictest0-21swapper/112:05:171
1731991715,1cyclictest0-21swapper/110:05:141
1731991714,2cyclictest3989-21H222:10:211
1731991714,2cyclictest3989-21H222:10:211
1731991714,2cyclictest3894-21perf08:10:011
1731991714,2cyclictest27041-21cut10:45:121
1731991714,2cyclictest2007-21systemd-journal08:23:421
1731991714,2cyclictest13098-21expr08:25:141
1731991714,2cyclictest10941-21acpi07:25:101
1731991714,0cyclictest0-21swapper/110:03:011
1731991713,3cyclictest1878-21python309:04:481
173199171,15cyclictest0-21swapper/109:20:001
173199170,2cyclictest8660-21/usr/sbin/munin11:10:101
173199170,2cyclictest4099-21H222:10:211
173199170,2cyclictest26144-21ntp_states07:50:191
173199170,2cyclictest26114-21chrt10:41:121
173199170,2cyclictest21715-21apt-key12:30:011
173199170,2cyclictest21715-21apt-key12:30:011
173199170,2cyclictest15848-21sed12:20:011
173199170,2cyclictest12585-21cron10:20:011
173199170,2cyclictest12585-21cron10:20:011
173199170,1cyclictest3985-21H222:10:211
173199170,1cyclictest0-21swapper/107:45:191
173199170,16cyclictest8309-21cron09:15:011
173199170,16cyclictest4035-21H222:10:211
173199170,16cyclictest399-20systemd-journal08:34:561
173199170,16cyclictest3976-21H222:10:211
173199170,16cyclictest2267-21postgres10:59:371
173199170,16cyclictest19002-21cpuspeed_turbos12:25:111
173199170,16cyclictest1338-21smtpd11:53:131
173199170,16cyclictest0-21swapper/108:42:071
173199170,15cyclictest3979-21H222:10:211
173199170,15cyclictest22866-21grep11:35:111
173099172,1cyclictest9-21ksoftirqd/007:20:420
173099172,1cyclictest22228-21cat10:35:170
1730991715,1cyclictest72602sleep012:04:160
1730991715,1cyclictest0-21swapper/012:10:050
1730991714,2cyclictest5698-21latency10:05:170
1730991714,2cyclictest4607-21perf11:59:590
1730991714,2cyclictest4194-21timerwakeupswit07:10:190
1730991714,2cyclictest4035-21H222:10:210
1730991714,2cyclictest3983-21H222:10:210
1730991714,2cyclictest19787-21timerandwakeup08:35:220
1730991714,2cyclictest19787-21timerandwakeup08:35:210
173099171,1cyclictest3682-21sessionclean08:09:000
173099171,1cyclictest0-21swapper/008:44:060
173099171,15cyclictest9139-21cstates09:15:140
173099171,15cyclictest8271-21http_loadtime10:10:150
173099170,2cyclictest724-21python310:00:010
173099170,2cyclictest4051-21anacron10:02:260
173099170,2cyclictest19974-21needreboot12:25:160
173099170,2cyclictest19286-21python311:29:590
173099170,2cyclictest12158-21idleruntime11:15:150
173099170,2cyclictest10151-21lxd09:10:400
173099170,1cyclictest0-21swapper/012:39:360
173099170,1cyclictest0-21swapper/008:22:220
173099170,16cyclictest5368-21cron11:05:010
173099170,16cyclictest3275-21ls09:05:140
173099170,16cyclictest3076-21iscsid12:30:130
173099170,16cyclictest3076-21iscsid12:30:120
173099170,16cyclictest2872-21systemd-logind09:34:520
173099170,16cyclictest28039-21nfsd410:45:180
173099170,16cyclictest24733-21/usr/sbin/munin07:50:100
173099170,16cyclictest23910-21nfsd409:40:160
173099170,16cyclictest21079-21cat11:30:170
173099170,16cyclictest18055-21cron10:30:010
173099170,16cyclictest14610-21expr11:20:140
173099170,16cyclictest1348-21lxd12:06:420
173099170,16cyclictest12016-21expr09:20:150
1732991614,1cyclictest0-21swapper/209:50:172
173299160,1cyclictest11731-21expr11:15:122
173299160,1cyclictest0-21swapper/210:25:142
173299160,15cyclictest0-21swapper/212:10:112
1731991614,1cyclictest2645-21fschecks_time11:55:141
1731991614,1cyclictest0-21swapper/112:10:021
1731991614,1cyclictest0-21swapper/111:20:131
1731991614,1cyclictest0-21swapper/111:05:121
1731991614,1cyclictest0-21swapper/110:30:131
1731991614,1cyclictest0-21swapper/110:10:201
1731991614,1cyclictest0-21swapper/109:25:191
1731991614,1cyclictest0-21swapper/109:20:161
173199160,2cyclictest18399-21proc_pri09:30:201
173199160,2cyclictest11920-21expr11:15:131
173199160,1cyclictest0-21swapper/110:25:171
173199160,16cyclictest0-21swapper/109:35:371
173199160,15cyclictest2754-21acpi11:00:121
173199160,15cyclictest26097-21cpu11:40:131
173199160,15cyclictest21188-21/usr/sbin/munin10:35:121
173199160,15cyclictest17887-21ls12:20:211
173199160,15cyclictest0-21swapper/111:45:131
173199160,15cyclictest0-21swapper/111:25:111
173199160,15cyclictest0-21swapper/110:15:141
173199160,15cyclictest0-21swapper/109:55:111
173199160,15cyclictest0-21swapper/109:40:121
173199160,15cyclictest0-21swapper/109:05:121
1730991614,1cyclictest0-21swapper/011:40:100
1730991614,1cyclictest0-21swapper/009:50:220
1730991614,1cyclictest0-21swapper/007:55:220
1730991614,1cyclictest0-21swapper/007:40:160
1730991614,1cyclictest0-21swapper/007:25:200
173099160,2cyclictest10526-21cstates10:15:140
173099160,1cyclictest0-21swapper/011:45:140
173099160,15cyclictest455-21plymouthd10:55:110
173099160,15cyclictest31689-21cpuspeed_turbos11:50:130
173099160,15cyclictest16200-21cpuspeed_turbos12:20:140
173099160,15cyclictest15748-21/usr/sbin/munin09:25:200
173099160,15cyclictest0-21swapper/011:02:130
173099160,15cyclictest0-21swapper/010:40:190
173099160,15cyclictest0-21swapper/010:35:000
173099160,15cyclictest0-21swapper/009:35:130
173099160,15cyclictest0-21swapper/008:15:220
173099150,1cyclictest13903-21cat10:20:150
173099150,1cyclictest13903-21cat10:20:140
173099150,1cyclictest0-21swapper/008:10:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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