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2026-01-16 - 20:22
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #4

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackeslot4s.osadl.org (updated Fri Jan 16, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3095032993733,3cyclictest3343890-21kworker/u8:3+flush-259:011:50:112
3095027993734,2cyclictest3131132-21kworker/u8:3+flush-259:008:10:010
3095037993630,4cyclictest3406287-21ntpq12:10:193
3095032993633,2cyclictest3343890-21kworker/u8:3+flush-259:011:15:152
3095029993630,4cyclictest3344204-21apt-get11:09:591
3095032993532,2cyclictest3343890-21kworker/u8:3+events_unbound11:15:012
3095029993528,5cyclictest252-21systemd-journal09:46:031
3095029993427,5cyclictest3119882-21ntpq07:30:271
3095027993430,3cyclictest3276493-21kworker/u8:3+flush-259:010:50:220
3095032993329,3cyclictest3120801-21kworker/u8:2+events_unbound08:50:202
3095032993230,1cyclictest3125536-21fwupd07:35:272
3095037993126,4cyclictest3260824-21kworker/u8:0+flush-259:010:45:003
3095037993124,5cyclictest3162147-21latency_hist08:15:003
3095032993128,2cyclictest3276281-21kworker/u8:2+flush-259:010:05:212
3095032993125,2cyclictest3157215-21kworker/u8:0+events_unbound08:10:152
3095027993129,1cyclictest1-21systemd11:50:010
3095032993027,2cyclictest3193196-21kworker/u8:4+events_unbound09:35:142
3095032993026,3cyclictest3229816-21kworker/u8:2+flush-259:009:25:152
3095032993026,3cyclictest3106555-21kworker/u8:1+events_unbound07:58:042
3095032993025,2cyclictest3131132-21kworker/u8:3+events_unbound08:05:142
3095027993026,3cyclictest1-21systemd09:35:000
3095037992926,2cyclictest3260824-21kworker/u8:0+flush-259:010:00:003
3095037992925,3cyclictest3198776-21kworker/u8:0+flush-259:008:55:013
3095037992924,3cyclictest3245587-21apt-get09:35:113
3095032992926,2cyclictest3303161-21kworker/u8:4+events_unbound10:50:172
3095032992926,2cyclictest3214301-21kworker/u8:1+events_unbound09:30:212
3095032992925,3cyclictest3417491-21kworker/u8:0+flush-259:012:40:002
3095032992923,5cyclictest3271149-21latency_hist10:00:012
3095029992923,4cyclictest3281731-21/usr/sbin/munin10:10:141
3095027992925,3cyclictest3303161-21kworker/u8:4+flush-259:010:45:140
3095027992925,3cyclictest3303161-21kworker/u8:4+flush-259:010:45:140
3095027992925,3cyclictest3296969-21kworker/u8:2+events_unbound10:25:140
3095032992826,2cyclictest3303161-21kworker/u8:4+flush-259:010:30:232
3095032992826,2cyclictest3100166-21kworker/u8:0+flush-259:007:25:102
3095032992825,2cyclictest3381195-21kworker/u8:2+flush-259:012:25:252
3095032992824,3cyclictest3214301-21kworker/u8:1+flush-259:010:00:232
3095027992826,1cyclictest1-21systemd08:35:010
3095027992825,2cyclictest3303161-21kworker/u8:4+events_unbound10:30:160
3095027992825,2cyclictest3260824-21kworker/u8:0+flush-259:010:10:150
3095032992724,2cyclictest3276493-21kworker/u8:3+events_unbound10:10:222
3095029992722,3cyclictest3261066-21apt-get09:50:091
3095027992723,3cyclictest3120801-21kworker/u8:2+flush-259:008:30:000
3095032992624,2cyclictest3214301-21kworker/u8:1+flush-259:009:10:152
3095032992623,2cyclictest3303161-21kworker/u8:4+events_unbound10:55:202
3095032992623,2cyclictest3286661-21kworker/u8:1+flush-259:010:25:262
3095032992623,2cyclictest3157215-21kworker/u8:0+flush-259:008:20:212
3095032992623,2cyclictest3157215-21kworker/u8:0+flush-259:008:20:202
3095029992622,3cyclictest3120801-21kworker/u8:2+flush-259:008:35:251
3095027992623,2cyclictest3397060-21kworker/u8:4+flush-259:012:30:200
3095027992622,3cyclictest3371332-21apt-get11:40:100
3095027992622,3cyclictest3110732-21apt-get07:25:100
309502799260,24cyclictest3151840-21true08:05:000
3095032992522,2cyclictest3214301-21kworker/u8:1+flush-259:009:45:202
3095032992522,2cyclictest3214301-21kworker/u8:1+flush-259:009:05:202
3095032992522,2cyclictest3120801-21kworker/u8:2+flush-259:007:40:242
3095029992521,3cyclictest3422903-21apt-get12:30:111
3095029992518,4cyclictest252-21systemd-journal09:56:031
3095027992521,3cyclictest3381195-21kworker/u8:2+events_unbound12:25:000
3095027992521,3cyclictest3157215-21kworker/u8:0+flush-259:008:15:250
3095032992421,2cyclictest3343882-21kworker/u8:2+flush-259:011:30:002
3095032992421,2cyclictest3303161-21kworker/u8:4+events_unbound11:05:212
3095032992421,2cyclictest3198776-21kworker/u8:0+flush-259:008:55:202
3095032992421,2cyclictest3193196-21kworker/u8:4+flush-259:009:40:222
3095032992421,2cyclictest3079864-21kworker/u8:2+events_unbound07:10:202
3095032992419,4cyclictest3265985-21latency_hist09:55:002
3095029992420,3cyclictest3297057-21gpgv10:25:001
3095032992319,3cyclictest3120801-21kworker/u8:2+events_unbound08:41:032
3095029992320,2cyclictest3349845-21kworker/u8:0+events_unbound11:45:141
3095029992319,3cyclictest3106555-21kworker/u8:1+flush-259:008:45:161
3095027992320,2cyclictest3106555-21kworker/u8:1+flush-259:008:45:210
3095027992318,4cyclictest3303161-21kworker/u8:4+flush-259:010:55:190
3095027992318,3cyclictest252-21systemd-journal10:39:030
3095037992219,1cyclictest1-21systemd11:45:013
3095032992219,2cyclictest3303161-21kworker/u8:4+flush-259:010:45:162
3095032992219,2cyclictest3303161-21kworker/u8:4+flush-259:010:45:152
3095032992219,2cyclictest3214301-21kworker/u8:1+flush-259:009:15:212
3095032992219,2cyclictest3083890-21kworker/u8:4+flush-259:007:20:262
3095032992219,2cyclictest3079864-21kworker/u8:2+events_unbound07:15:032
3095032992214,3cyclictest3417491-21kworker/u8:0+events_unbound12:30:122
3095029992218,2cyclictest3214301-21kworker/u8:1+events_unbound09:20:191
3095027992220,1cyclictest3286661-21kworker/u8:1+events_unbound10:20:130
3095027992219,2cyclictest3381195-21kworker/u8:2+flush-259:012:25:180
3095027992219,2cyclictest3349845-21kworker/u8:0+flush-259:011:35:160
3095027992219,2cyclictest3333692-21kworker/u8:1+flush-259:011:15:240
3095027992218,3cyclictest3360979-21kworker/u8:1+events_unbound11:30:110
3095027992218,3cyclictest3276493-21kworker/u8:3+flush-259:010:15:020
3095027992218,3cyclictest3260824-21kworker/u8:0+flush-259:011:00:210
3095027992218,3cyclictest3193196-21kworker/u8:4+flush-259:009:00:250
3095027992218,3cyclictest3193196-21kworker/u8:4+events_unbound09:50:020
3095037992118,2cyclictest3276493-21kworker/u8:3+flush-259:010:55:003
3095037992117,3cyclictest252-21systemd-journal10:14:473
3095037992115,4cyclictest252-21systemd-journal07:39:593
3095032992118,2cyclictest3397060-21kworker/u8:4+events_unbound12:20:262
3095032992118,2cyclictest3120801-21kworker/u8:2+events_unbound08:32:042
3095032992117,3cyclictest3396838-21kworker/u8:1+events_unbound12:09:042
3095032992115,4cyclictest252-21systemd-journal11:48:032
3095029992116,4cyclictest3229816-21kworker/u8:2+events_unbound09:30:011
3095027992118,2cyclictest3198776-21kworker/u8:0+events_unbound08:55:230
3095027992118,2cyclictest3106555-21kworker/u8:1+events_unbound07:50:130
3095037992012,6cyclictest3338218-21ntpq11:00:213
3095037992012,6cyclictest252-21systemd-journal12:25:003
3095032992018,2cyclictest3360979-21kworker/u8:1+flush-259:011:35:012
3095032992017,2cyclictest3360979-21kworker/u8:1+events_unbound11:40:172
3095032992017,2cyclictest3286661-21kworker/u8:1+flush-259:010:20:102
3095029992016,3cyclictest3120801-21kworker/u8:2+flush-259:007:40:001
3095029992016,3cyclictest252-21systemd-journal10:54:511
3095029992015,3cyclictest3083890-21kworker/u8:4+flush-259:007:25:001
3095029992014,4cyclictest252-21systemd-journal07:14:181
3095027992017,2cyclictest3120801-21kworker/u8:2+events_unbound08:50:130
3095027992017,2cyclictest3120801-21kworker/u8:2+events_unbound07:41:050
3095027992015,4cyclictest3276526-21apt-get10:05:110
3095037991914,3cyclictest3255925-21/usr/sbin/munin09:45:153
3095037991913,4cyclictest252-21systemd-journal10:56:023
3095032991916,2cyclictest3286661-21kworker/u8:1+flush-259:010:15:182
3095032991915,3cyclictest252-21systemd-journal10:40:002
3095032991913,4cyclictest252-21systemd-journal08:19:592
3095029991912,5cyclictest252-21systemd-journal08:55:001
3095027991916,2cyclictest3343882-21kworker/u8:2+events_unbound11:25:220
3095027991916,2cyclictest0-21swapper/011:55:010
3095027991915,3cyclictest3381195-21kworker/u8:2+events_unbound11:55:200
3095027991913,4cyclictest3131532-21diskstats07:45:120
3095037991813,4cyclictest3396828-21idleruntime-cro12:05:013
3095037991813,3cyclictest3386746-21/usr/sbin/munin11:55:133
3095032991816,2cyclictest3131132-21kworker/u8:3+events_unbound07:52:362
3095032991814,3cyclictest3204162-21kworker/u8:3+events_unbound09:00:152
3095032991813,4cyclictest3198728-21cat08:49:562
3095029991815,2cyclictest3360979-21kworker/u8:1+events_unbound11:45:011
3095029991814,3cyclictest3333692-21kworker/u8:1+flush-259:011:00:161
3095029991813,3cyclictest3318655-21/usr/sbin/munin10:45:151
3095029991813,3cyclictest3318655-21/usr/sbin/munin10:45:151
3095029991812,4cyclictest3302492-21apt-get10:30:001
3095029991812,3cyclictest252-21systemd-journal08:34:311
3095027991816,2cyclictest3214301-21kworker/u8:1+events_unbound09:19:550
3095027991815,2cyclictest3214301-21kworker/u8:1+events_unbound10:00:200
3095027991814,3cyclictest3141747-21apt-get07:55:120
3095027991814,3cyclictest3100166-21kworker/u8:0+events_unbound07:32:040
3095027991813,3cyclictest509-21rs:main0
3095037991714,2cyclictest3192650-21ntp_kernel_err08:40:193
3095037991710,5cyclictest3204195-21apt-get08:55:113
3095032991713,3cyclictest3120801-21kworker/u8:2+events_unbound07:45:052
3095032991712,4cyclictest3396824-21latency_hist12:05:012
3095032991712,4cyclictest3234950-21latency_hist09:25:002
3095029991715,1cyclictest0-21swapper/110:44:591
3095029991714,2cyclictest0-21swapper/107:30:001
3095029991713,3cyclictest3343882-21kworker/u8:2+flush-259:011:30:161
3095029991712,3cyclictest252-21systemd-journal08:59:031
3095027991714,2cyclictest3343890-21kworker/u8:3+events_unbound12:00:200
3095027991714,2cyclictest3333692-21kworker/u8:1+flush-259:011:15:000
3095027991714,2cyclictest3214301-21kworker/u8:1+events_unbound09:08:040
3095027991714,2cyclictest3193196-21kworker/u8:4+events_unbound09:49:430
3095027991713,3cyclictest3193196-21kworker/u8:4+flush-259:009:55:160
3095027991713,3cyclictest3095247-21apt-get07:10:110
3095027991711,5cyclictest3172895-21latency_hist08:25:000
3095037991612,3cyclictest3381195-21kworker/u8:2+events_unbound12:05:153
3095037991610,4cyclictest509-21rs:main3
3095037991610,4cyclictest3156152-21ntpq08:05:203
309503299162,4cyclictest3355614-21awk11:24:592
3095032991613,3cyclictest3396838-21kworker/u8:1+flush-259:012:10:232
3095032991613,2cyclictest3381195-21kworker/u8:2+events_unbound11:58:482
3095032991613,2cyclictest3303161-21kworker/u8:4+flush-259:010:42:192
3095029991612,3cyclictest252-21systemd-journal09:35:011
3095029991610,4cyclictest3391956-21apt-get12:00:101
3095027991613,2cyclictest3120801-21kworker/u8:2+events_unbound07:35:160
3095027991612,3cyclictest3214301-21kworker/u8:1+flush-259:009:20:150
3095027991612,3cyclictest3120801-21kworker/u8:2+events_unbound08:43:040
3095027991612,3cyclictest3100166-21kworker/u8:0+events_unbound07:20:100
3095037991513,1cyclictest0-21swapper/310:25:003
3095037991511,3cyclictest3303194-21apt-get10:30:113
3095037991511,2cyclictest0-21swapper/310:00:193
3095037991510,3cyclictest3079864-21kworker/u8:2+flush-259:007:10:143
3095032991512,2cyclictest3396838-21kworker/u8:1+events_unbound12:16:212
3095032991512,2cyclictest3360979-21kworker/u8:1+events_unbound11:39:192
3095032991512,2cyclictest3120801-21kworker/u8:2+flush-259:008:00:192
309502999159,5cyclictest0-21swapper/112:25:001
3095029991513,1cyclictest3120801-21kworker/u8:2+events_unbound08:25:131
3095029991512,2cyclictest3223725-21ntp_kernel_pll_09:10:191
3095029991511,3cyclictest3193196-21kworker/u8:4+flush-259:009:40:231
3095027991513,1cyclictest60350irq/132-enp0s29f1:rx-012:05:190
3095027991513,1cyclictest60350irq/132-enp0s29f1:rx-010:40:150
3095027991513,1cyclictest60350irq/132-enp0s29f1:rx-007:15:470
3095027991512,2cyclictest60350irq/132-enp0s29f1:rx-008:10:120
3095027991512,2cyclictest3396838-21kworker/u8:1+flush-259:012:15:160
3095027991512,2cyclictest3381195-21kworker/u8:2+events_unbound12:10:100
3095027991511,3cyclictest3417491-21kworker/u8:0+events_unbound12:35:250
3095027991511,3cyclictest3157215-21kworker/u8:0+events_unbound08:20:200
3095027991511,3cyclictest3120801-21kworker/u8:2+events_unbound08:39:320
309503799149,4cyclictest3167301-21apt-get08:20:013
309503799149,4cyclictest3104427-21ntpq07:15:433
309503799147,5cyclictest3349845-21kworker/u8:0+flush-259:011:45:173
3095037991410,2cyclictest0-21swapper/310:09:593
3095037991410,2cyclictest0-21swapper/309:25:013
3095032991411,2cyclictest3131132-21kworker/u8:3+flush-259:008:35:162
3095032991411,2cyclictest3131132-21kworker/u8:3+events_unbound08:25:152
3095032991410,3cyclictest3100166-21kworker/u8:0+events_unbound07:32:432
309502999149,3cyclictest3167301-21apt-get08:20:031
309502999149,3cyclictest3167301-21apt-get08:20:021
309502999141,8cyclictest3349820-21awk11:15:001
309502999141,3cyclictest3276250-21awk10:04:591
3095029991410,3cyclictest3349845-21kworker/u8:0+events_unbound11:35:201
3095029991410,3cyclictest3145666-21needreboot07:55:201
3095029991410,3cyclictest3131132-21kworker/u8:3+flush-259:007:45:201
3095029991410,3cyclictest3120801-21kworker/u8:2+flush-259:007:40:181
3095027991413,1cyclictest60350irq/132-enp0s29f1:rx-011:05:190
3095027991412,1cyclictest60350irq/132-enp0s29f1:rx-009:25:330
3095027991411,2cyclictest60350irq/132-enp0s29f1:rx-011:25:010
3095027991411,2cyclictest3193196-21kworker/u8:4+flush-259:009:40:180
309503799139,3cyclictest3333692-21kworker/u8:1+flush-259:011:15:253
309503799139,2cyclictest3382054-21irqcore11:50:143
309503799139,2cyclictest3255274-21unixbench_singl09:40:233
309503799137,4cyclictest509-21rs:main3
309503799137,4cyclictest3355610-21basename11:25:003
3095037991311,1cyclictest0-21swapper/311:39:593
3095037991311,1cyclictest0-21swapper/311:10:013
3095037991310,2cyclictest0-21swapper/308:05:003
3095037991310,1cyclictest0-21swapper/307:59:593
309502999139,3cyclictest3349845-21kworker/u8:0+flush-259:011:15:591
309502999139,2cyclictest3246602-21kthreadcore09:35:151
309502999137,4cyclictest3302501-21latency_hist10:30:011
3095029991310,2cyclictest3106555-21kworker/u8:1+flush-259:008:40:201
3095027991310,2cyclictest60350irq/132-enp0s29f1:rx-009:35:100
309503799129,2cyclictest3347217-21sort11:10:173
309503799128,3cyclictest3343890-21kworker/u8:3+flush-259:011:25:463
309503799126,4cyclictest3291808-21latency_hist10:20:013
309503299129,2cyclictest3260824-21kworker/u8:0+events_unbound11:00:022
309502999129,2cyclictest3157215-21kworker/u8:0+events_unbound08:15:231
309502999128,2cyclictest3406459-21sensors12:10:221
309502999126,4cyclictest252-21systemd-journal11:51:041
3095029991210,1cyclictest0-21swapper/110:55:161
309503799119,1cyclictest0-21swapper/309:10:013
309503799118,2cyclictest3225103-21fschecks_time09:15:143
309503799117,2cyclictest0-21swapper/308:25:013
309503799117,2cyclictest0-21swapper/308:25:003
309503799116,3cyclictest252-21systemd-journal10:25:023
309503799115,4cyclictest252-21systemd-journal08:40:013
309502999118,2cyclictest3146967-21cpuspeed_turbos08:00:131
309502999110,9cyclictest3141488-21latency_hist07:55:001
309503799107,1cyclictest0-21swapper/307:40:123
309503799100,2cyclictest3094957-21latency_hist07:10:013
309502999108,1cyclictest0-21swapper/108:05:111
309502999107,2cyclictest3310686-21kthreadcore10:35:181
309502999107,2cyclictest0-21swapper/112:15:131
30950379996,2cyclictest34074132sleep312:15:113
30950379996,2cyclictest0-21swapper/307:45:133
30950379996,2cyclictest0-21swapper/307:30:193
30950299994,3cyclictest3358817-21tr11:25:131
30950299994,3cyclictest3100611-21/usr/sbin/munin07:15:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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