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2026-01-29 - 16:29
[ 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 the highest latencies:
System rackeslot4s.osadl.org (updated Thu Jan 29, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2835025994643,2cyclictest3157894-21kworker/u8:0+flush-259:012:25:240
2835031994135,4cyclictest3028386-21latency_hist10:15:022
2835027994035,3cyclictest2923184-21latency_hist08:35:001
2835027993935,3cyclictest2897452-21kworker/u8:0+flush-259:009:55:241
2835025993935,3cyclictest3064232-21apt-get10:47:100
2835035993529,4cyclictest2906781-21ntpq08:15:203
2835027993530,4cyclictest3080328-21apt-get11:05:111
2835027993530,3cyclictest509-21rs:main1
2835027993529,4cyclictest2955351-21latency_hist09:05:001
2835027993529,4cyclictest2907678-21latency_hist08:20:001
2835031993422,10cyclictest2897408-21latency_hist08:10:002
2835025993428,4cyclictest3137203-21cat12:00:020
2835035993326,6cyclictest3115904-21kworker/u8:1+flush-259:012:10:003
2835027993226,4cyclictest3152687-21apt-get12:14:591
2835027993226,4cyclictest2912840-21latency_hist08:25:011
2835025993229,2cyclictest2856057-21kworker/u8:3+flush-259:007:50:150
2835035993126,3cyclictest2981393-21cat09:30:013
2835031993023,4cyclictest3126739-21/usr/sbin/munin11:50:152
2835035992922,5cyclictest2917119-21ntpq08:25:223
2835027992925,3cyclictest2934291-21kworker/u8:5+flush-259:008:45:171
2835027992923,4cyclictest3094639-21ntpq11:15:211
2835035992724,2cyclictest2907293-21kworker/u8:2+flush-259:009:10:003
2835027992720,5cyclictest3172876-21ntpq12:30:211
2835035992623,2cyclictest2897452-21kworker/u8:0+flush-259:010:10:173
2835025992623,2cyclictest2840381-21kworker/u8:0+flush-259:007:20:190
2835025992622,3cyclictest2934291-21kworker/u8:5+flush-259:008:50:010
2835025992621,3cyclictest2856057-21kworker/u8:3+flush-259:008:10:150
2835025992620,5cyclictest2969849-21ntpq09:15:210
2835035992519,4cyclictest2928695-21apt-get08:40:003
2835027992518,5cyclictest2865219-21ntpq07:35:201
2835027992518,4cyclictest3048943-21latency_hist10:35:011
2835025992522,2cyclictest2871928-21kworker/u8:0+events_unbound07:55:170
2835035992420,3cyclictest3079670-21kworker/u8:0+flush-259:011:10:213
2835035992418,4cyclictest252-21systemd-journal11:04:593
2835031992419,3cyclictest252-21systemd-journal07:22:242
2835031992418,4cyclictest3158282-21latency_hist12:20:002
2835031992418,4cyclictest3017614-21latency_hist10:05:002
283502799240,22cyclictest1-21systemd07:25:001
2835025992422,2cyclictest2897452-21kworker/u8:0+events_unbound08:55:000
2835035992320,2cyclictest2856057-21kworker/u8:3+events_unbound08:05:223
2835031992317,4cyclictest2991808-21latency_hist09:40:002
2835025992319,3cyclictest3121569-21kworker/u8:4+events_unbound12:15:200
2835025992319,3cyclictest3085098-21kworker/u8:1+events_unbound11:20:240
2835025992319,3cyclictest3085098-21kworker/u8:1+events_unbound11:20:230
2835025992316,5cyclictest252-21systemd-journal09:25:010
2835035992219,3cyclictest3106100-21kworker/u8:0+events_unbound11:40:013
2835035992219,2cyclictest3121569-21kworker/u8:4+flush-259:011:55:243
2835035992219,2cyclictest3115904-21kworker/u8:1+events_unbound12:35:003
2835035992218,3cyclictest3038710-21sh10:25:013
2835025992218,3cyclictest3163423-21latency_hist12:25:010
2835025992218,3cyclictest3043859-21kworker/u8:2+events_unbound11:00:200
2835025992218,3cyclictest3022777-21apt-get10:10:010
2835025992218,3cyclictest2986696-21kworker/u8:1+flush-259:009:45:000
2835035992118,2cyclictest3173982-21kworker/u8:2+events_unbound12:35:253
2835035992118,2cyclictest2960742-21kworker/u8:1+events_unbound09:10:223
2835035992118,2cyclictest0-21swapper/307:40:003
2835031992116,3cyclictest2986676-21latency_hist09:35:002
2835031992115,4cyclictest3059722-21diskstats10:45:132
2835025992118,2cyclictest3173982-21kworker/u8:2+events_unbound12:35:220
2835025992118,2cyclictest2907293-21kworker/u8:2+flush-259:008:40:150
2835025992117,3cyclictest771343-21kworker/u8:1+events_unbound07:25:210
2835025992117,3cyclictest2986696-21kworker/u8:1+flush-259:009:45:200
2835025992117,3cyclictest2856089-21apt-get07:30:100
2835035992018,1cyclictest0-21swapper/312:15:003
2835035992017,3cyclictest2970790-21kworker/u8:2+flush-259:009:30:143
2835035992017,2cyclictest3095186-21kworker/u8:2+flush-259:011:20:213
2835035992017,2cyclictest3095186-21kworker/u8:2+flush-259:011:20:203
2835035992017,2cyclictest2934291-21kworker/u8:5+flush-259:010:45:143
2835035992017,2cyclictest2897452-21kworker/u8:0+flush-259:008:20:173
2835035992017,2cyclictest0-21swapper/307:54:593
2835035992016,3cyclictest2897452-21kworker/u8:0+flush-259:010:15:233
2835035992015,4cyclictest3157359-21ntpq12:15:183
2835035992015,4cyclictest2922350-21ntpq08:30:213
2835035992014,4cyclictest3131696-21latency_hist11:55:003
2835031992017,2cyclictest3033584-21kworker/u8:1+flush-259:010:20:182
2835031992015,4cyclictest3095805-21/usr/sbin/munin11:20:142
2835031992015,4cyclictest3095805-21/usr/sbin/munin11:20:132
2835027992016,3cyclictest2960742-21kworker/u8:1+flush-259:009:25:011
2835027992015,3cyclictest3002371-21apt-get09:50:111
2835025992016,3cyclictest2897452-21kworker/u8:0+events_unbound10:10:190
2835025992015,4cyclictest2965650-21latency_hist09:15:000
2835035991916,2cyclictest3106100-21kworker/u8:0+events_unbound11:30:223
2835035991913,5cyclictest2933351-21ntpq08:40:203
2835035991913,4cyclictest2901622-21ntpq08:10:203
2835031991915,3cyclictest2887711-21kworker/u8:1+flush-259:008:30:002
2835027991913,4cyclictest252-21systemd-journal07:31:241
2835025991916,2cyclictest2934291-21kworker/u8:5+flush-259:010:15:190
2835025991916,2cyclictest1-21systemd12:12:240
2835025991915,3cyclictest3043859-21kworker/u8:2+flush-259:010:40:250
2835035991816,1cyclictest771343-21kworker/u8:1+events_unbound07:45:013
2835035991815,2cyclictest2897452-21kworker/u8:0+events_unbound09:35:133
2835035991813,4cyclictest2856251-21diskstats07:30:143
2835035991812,4cyclictest2975926-21latency_hist09:25:003
2835031991813,3cyclictest3137083-21gpgv12:00:002
2835027991814,3cyclictest507-21in:imuxsock08:44:591
2835027991813,4cyclictest2897452-21kworker/u8:0+flush-259:010:35:181
2835025991815,2cyclictest2907293-21kworker/u8:2+events_unbound08:25:000
2835025991814,3cyclictest771343-21kworker/u8:1+events_unbound07:40:200
2835025991813,4cyclictest2835644-21diskstats07:10:140
2835035991714,2cyclictest3121569-21kworker/u8:4+flush-259:012:00:163
2835035991713,3cyclictest3012724-21apt-get10:00:103
2835035991713,3cyclictest2897452-21kworker/u8:0+flush-259:009:15:183
2835035991712,4cyclictest3105017-21ntpq11:25:223
2835031991714,2cyclictest500-21systemd-logind12:15:012
2835031991713,3cyclictest771343-21kworker/u8:1+flush-259:007:10:152
2835031991713,3cyclictest3085098-21kworker/u8:1+flush-259:011:30:002
2835031991713,2cyclictest0-21swapper/207:50:002
2835031991711,4cyclictest3068887-21ntpq10:50:202
283502799171,8cyclictest2918002-21munin-run08:29:591
2835027991714,2cyclictest3115904-21kworker/u8:1+events_unbound11:55:141
2835027991714,2cyclictest2944639-21sh08:55:001
2835027991712,4cyclictest3075164-21apt-get11:00:111
2835027991712,3cyclictest252-21systemd-journal10:41:241
2835027991711,4cyclictest2970763-21latency_hist09:20:001
2835025991714,2cyclictest3079670-21kworker/u8:0+flush-259:011:05:150
2835025991714,2cyclictest3043859-21kworker/u8:2+events_unbound10:50:120
2835025991714,2cyclictest2897452-21kworker/u8:0+flush-259:008:35:160
2835025991713,3cyclictest3064075-21kworker/u8:3+events_unbound10:55:180
2835025991713,3cyclictest2934291-21kworker/u8:5+events_unbound10:35:000
2835025991713,3cyclictest2934291-21kworker/u8:5+events_unbound09:55:010
2835035991613,3cyclictest2986696-21kworker/u8:1+events_unbound09:45:223
2835035991613,2cyclictest2887114-21cron08:00:003
2835035991612,3cyclictest2897452-21kworker/u8:0+events_unbound08:50:233
2835035991611,4cyclictest3163846-21diskstats12:25:143
2835035991610,4cyclictest252-21systemd-journal09:05:013
2835031991613,2cyclictest3147553-21idleruntime-cro12:10:002
2835031991613,2cyclictest2871928-21kworker/u8:0+events_unbound07:55:242
2835031991613,2cyclictest0-21swapper/209:10:002
2835031991613,2cyclictest0-21swapper/207:20:002
2835027991614,1cyclictest3017622-21turbostat.cron10:05:001
2835027991613,2cyclictest3018909-21kthreadcore10:05:181
2835027991612,3cyclictest2934291-21kworker/u8:5+flush-259:009:10:171
2835025991614,1cyclictest60350irq/132-enp0s29f1:rx-011:55:140
2835025991614,1cyclictest60350irq/132-enp0s29f1:rx-011:43:320
2835025991614,1cyclictest60350irq/132-enp0s29f1:rx-008:08:400
2835025991613,2cyclictest60350irq/132-enp0s29f1:rx-009:05:200
2835025991613,2cyclictest2907293-21kworker/u8:2+events_unbound08:25:240
2835025991613,2cyclictest2861664-21irqcore07:35:160
2835025991612,3cyclictest3043822-21cron10:29:590
2835035991512,2cyclictest3079670-21kworker/u8:0+flush-259:011:15:263
2835035991512,2cyclictest2897452-21kworker/u8:0+flush-259:009:50:263
2835035991511,3cyclictest2781537-21kworker/u8:4+events_unbound07:15:213
2835031991513,1cyclictest0-21swapper/208:55:012
2835031991512,2cyclictest3074891-21idleruntime-cro10:59:592
2835031991510,4cyclictest2897452-21kworker/u8:0+flush-259:009:52:562
2835031991510,3cyclictest3115904-21kworker/u8:1+flush-259:012:20:182
283502799159,4cyclictest3043828-21latency_hist10:30:001
2835027991512,2cyclictest3106883-21irqcore11:30:151
2835027991512,2cyclictest2981126-21sh09:30:011
2835025991513,1cyclictest61150irq/133-enp0s29f1:tx-011:10:230
2835025991513,1cyclictest60350irq/132-enp0s29f1:rx-011:19:530
2835025991513,1cyclictest60350irq/132-enp0s29f1:rx-008:55:200
2835025991513,1cyclictest60350irq/132-enp0s29f1:rx-008:55:190
2835025991513,1cyclictest60350irq/132-enp0s29f1:rx-008:30:240
2835025991512,2cyclictest60350irq/132-enp0s29f1:rx-012:05:120
2835025991512,2cyclictest2856057-21kworker/u8:3+flush-259:008:04:590
2835035991412,1cyclictest3071463-21kthreadcore10:55:173
2835035991412,1cyclictest3022802-21systemd-run10:10:013
2835035991411,2cyclictest3106100-21kworker/u8:0+flush-259:011:35:153
2835035991411,2cyclictest2934291-21kworker/u8:5+events_unbound10:40:013
283503199149,3cyclictest252-21systemd-journal08:55:032
283503199149,3cyclictest252-21systemd-journal08:55:022
2835031991411,2cyclictest3135979-21ntp_kernel_pll_11:55:212
2835031991411,2cyclictest2965634-21cron09:15:012
2835031991411,2cyclictest2856507-21irqcore07:30:152
2835031991411,2cyclictest0-21swapper/209:45:012
2835031991410,3cyclictest500-21systemd-logind08:35:002
283502799147,4cyclictest3137310-21cat12:00:021
2835025991413,1cyclictest60350irq/132-enp0s29f1:rx-009:59:400
2835025991412,2cyclictest61150irq/133-enp0s29f1:tx-011:45:250
2835025991412,2cyclictest60350irq/132-enp0s29f1:rx-011:26:470
2835025991412,1cyclictest60350irq/132-enp0s29f1:rx-009:35:250
2835025991412,1cyclictest60350irq/132-enp0s29f1:rx-009:26:240
2835025991412,1cyclictest60350irq/132-enp0s29f1:rx-008:15:240
2835025991411,2cyclictest3121569-21kworker/u8:4+events_unbound12:30:150
2835025991411,2cyclictest3049283-21cpuspeed_turbos10:35:130
2835025991411,2cyclictest2934291-21kworker/u8:5+flush-259:010:20:250
2835025991411,2cyclictest2871928-21kworker/u8:0+events_unbound07:45:210
2835025991411,2cyclictest2781537-21kworker/u8:4+events_unbound07:15:220
283503599139,2cyclictest0-21swapper/308:04:593
2835035991311,1cyclictest0-21swapper/311:50:003
2835035991310,2cyclictest771343-21kworker/u8:1+events_unbound07:10:243
2835035991310,2cyclictest3158958-21sed12:20:183
2835035991310,2cyclictest2897452-21kworker/u8:0+events_unbound08:55:183
2835035991310,2cyclictest2897452-21kworker/u8:0+events_unbound08:55:183
283503199138,3cyclictest2866114-21cron07:40:002
2835027991311,1cyclictest3064075-21kworker/u8:3+flush-259:011:30:011
2835027991311,1cyclictest2929039-21latency_hist08:40:011
283502599139,3cyclictest3106100-21kworker/u8:0+flush-259:011:35:260
2835025991312,1cyclictest60350irq/132-enp0s29f1:rx-011:50:400
2835025991312,1cyclictest60350irq/132-enp0s29f1:rx-010:00:330
2835025991311,1cyclictest60350irq/132-enp0s29f1:rx-009:00:350
2835025991310,2cyclictest60350irq/132-enp0s29f1:rx-011:30:100
2835025991310,2cyclictest2970790-21kworker/u8:2+flush-259:009:30:100
283503599128,3cyclictest3039075-21cut10:25:143
283503599128,3cyclictest2934291-21kworker/u8:5+flush-259:008:45:243
283503599126,4cyclictest2850630-21sshd07:24:343
283503199129,2cyclictest3018299-21irqcore10:05:172
283503199129,2cyclictest2912417-21unixbench_singl08:20:262
283503199129,2cyclictest0-21swapper/207:40:252
283503199128,3cyclictest827-21lldpd09:55:172
283503199128,3cyclictest3121569-21kworker/u8:4+flush-259:012:26:552
283502799129,2cyclictest3126031-21unixbench_multi11:45:241
283502799129,2cyclictest3071019-21kthreadcore10:55:161
283502799129,2cyclictest2867237-21grep07:40:171
283502799129,2cyclictest2851081-21cpuspeed_turbos07:25:141
283502799126,4cyclictest2840623-21apt-get07:15:111
283503599117,3cyclictest2934291-21kworker/u8:5+events_unbound09:40:223
283503199119,1cyclictest0-21swapper/208:00:192
283503199116,3cyclictest252-21systemd-journal12:35:012
283502799119,1cyclictest0-21swapper/112:20:221
283502799119,1cyclictest0-21swapper/111:35:221
283502799118,2cyclictest2992305-21fschecks_time09:40:131
283502799118,2cyclictest2881508-21unixbench_multi07:50:221
283502799116,3cyclictest3173982-21kworker/u8:2+flush-259:012:35:181
283503199108,1cyclictest0-21swapper/210:40:142
283503199108,1cyclictest0-21swapper/209:24:242
283503199106,3cyclictest2902073-21unixbench_multi08:10:232
283502799106,2cyclictest2891400-21ntpq08:00:211
283502799106,2cyclictest0-21swapper/109:35:191
283502799103,4cyclictest2981095-21apt-get09:30:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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