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2026-03-09 - 07:23
[ 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 792 highest latencies:
System rackeslot4s.osadl.org (updated Mon Mar 09, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2667987994440,3cyclictest2823477-21kworker/u8:4+flush-259:021:50:002
2667990993327,4cyclictest2730081-21latency_hist20:10:003
2667990993327,4cyclictest2699298-21latency_hist19:40:003
2667990993124,5cyclictest2689021-21latency_hist19:30:003
2667980993024,4cyclictest2984979-21apt-get00:15:120
2667985992923,4cyclictest2896948-21latency_hist22:50:011
2667985992923,4cyclictest2870880-21/usr/sbin/munin22:25:131
2667987992823,4cyclictest2896965-21kworker/u8:3+flush-259:022:50:152
2667987992822,4cyclictest2892241-21diskstats22:45:152
2667987992822,4cyclictest2891822-21latency_hist22:45:012
2667985992520,3cyclictest2694402-21apt-get19:35:121
2667985992519,4cyclictest2974647-21/usr/sbin/munin00:05:151
2667985992518,5cyclictest252-21systemd-journal21:10:151
2667985992518,5cyclictest252-21systemd-journal00:14:591
2667987992421,1cyclictest0-21swapper/222:25:002
2667987992419,3cyclictest2923024-21kworker/u8:0+flush-259:000:10:172
2667990992216,4cyclictest2776465-21latency_hist20:55:013
2667985992210,6cyclictest2781596-21idleruntime-cro20:59:591
2667990992117,3cyclictest2771331-21kworker/u8:3+flush-259:020:55:263
2667985992117,3cyclictest2859432-21idleruntime-cro22:15:001
2667985992115,4cyclictest2750903-21/usr/sbin/munin20:30:141
2667980992118,2cyclictest2614611-21kworker/u8:5+flush-259:019:30:150
2667980992116,4cyclictest252-21systemd-journal19:15:270
2667987992017,2cyclictest0-21swapper/223:05:012
2667987992015,4cyclictest2958970-21latency_hist23:50:002
2667987992015,4cyclictest2703525-21ntpq19:40:202
2667987992014,5cyclictest2912666-21/usr/sbin/munin23:05:142
2667985992014,4cyclictest2740637-21/usr/sbin/munin20:20:131
2667980992016,3cyclictest2813207-21apt-get21:30:090
2667980992016,3cyclictest252-21systemd-journal19:29:550
266798099201,18cyclictest2974414-21turbostat00:04:590
2667985991916,2cyclictest2949907-21kthreadcore23:40:151
2667985991915,3cyclictest2860096-21kworker/u8:3+flush-259:022:20:181
2667985991914,4cyclictest252-21systemd-journal19:20:001
2667985991914,3cyclictest2679394-21irqcore19:20:221
2667985991913,4cyclictest2802223-21kworker/u8:0+flush-259:022:05:241
266798099193,6cyclictest3000199-21latency_hist00:30:000
2667980991912,5cyclictest252-21systemd-journal23:35:000
2667980991912,5cyclictest252-21systemd-journal23:10:000
2667990991813,4cyclictest2938531-21/usr/sbin/munin23:30:153
2667990991813,4cyclictest2870397-21cat22:25:013
2667990991812,4cyclictest2740401-21latency_hist20:20:013
2667987991815,2cyclictest2771331-21kworker/u8:3+flush-259:021:15:172
2667987991812,4cyclictest2933119-21latency_hist23:25:012
2667985991814,2cyclictest0-21swapper/121:40:001
2667985991812,4cyclictest2953822-21kworker/u8:2+flush-259:023:50:271
2667985991812,4cyclictest252-21systemd-journal22:15:161
2667985991811,5cyclictest509-21rs:main1
2667990991713,3cyclictest2771331-21kworker/u8:3+flush-259:021:05:153
2667990991712,4cyclictest2678424-21base6419:20:003
2667987991715,1cyclictest0-21swapper/221:24:592
2667987991714,2cyclictest0-21swapper/222:40:002
2667987991712,3cyclictest2859446-21latency_hist22:15:002
2667987991710,5cyclictest2953796-21latency_hist23:45:012
2667985991713,3cyclictest2766174-21turbostat.cron20:45:001
2667985991713,2cyclictest0-21swapper/100:35:001
2667985991713,2cyclictest0-21swapper/100:34:591
2667985991712,3cyclictest2730091-21kworker/u8:0+flush-259:020:10:241
2667985991711,4cyclictest252-21systemd-journal23:02:151
266798099175,2cyclictest2947707-21ntpq23:35:200
266798099171,6cyclictest2876699-21cut22:30:160
2667980991714,2cyclictest0-21swapper/020:55:000
2667980991713,3cyclictest2709570-21kworker/u8:2+flush-259:020:05:000
2667980991712,4cyclictest2667971-21kworker/u8:1+flush-259:019:35:170
2667980991711,4cyclictest2995023-21latency_hist00:25:000
2667990991614,1cyclictest0-21swapper/322:15:003
2667987991611,4cyclictest2833798-21/usr/sbin/munin21:50:142
2667985991613,2cyclictest2843915-21systemd-run22:00:001
266798599161,1cyclictest0-21swapper/120:30:001
2667985991610,4cyclictest509-21rs:main1
2667985991610,4cyclictest2807582-21cat21:25:001
266798099163,3cyclictest2875595-21modprobe22:27:150
266798099162,4cyclictest2933136-21systemctl23:25:000
266798099162,4cyclictest2892098-21cpu22:45:130
266798099161,4cyclictest2672788-21modprobe19:11:110
2667980991614,1cyclictest60350irq/132-enp0s29f1:rx-023:11:340
2667980991614,1cyclictest60350irq/132-enp0s29f1:rx-021:10:250
2667980991614,1cyclictest60350irq/132-enp0s29f1:rx-020:15:180
2667980991614,1cyclictest60350irq/132-enp0s29f1:rx-020:05:160
2667980991614,1cyclictest2886220-21idleruntime-cro22:40:000
2667980991613,2cyclictest61150irq/133-enp0s29f1:tx-023:50:200
2667980991613,2cyclictest60350irq/132-enp0s29f1:rx-021:05:220
2667980991613,2cyclictest2745556-21idleruntime-cro20:25:000
266798099160,2cyclictest2979958-21df00:10:130
2667990991512,2cyclictest2719811-21idleruntime-cro20:00:003
2667990991510,3cyclictest0-21swapper/323:10:003
2667987991512,2cyclictest2807351-21apt-get21:25:022
2667987991511,3cyclictest252-21systemd-journal20:19:112
2667987991510,4cyclictest252-21systemd-journal22:20:002
266798599159,5cyclictest2704699-21apt-get19:45:111
266798599159,3cyclictest252-21systemd-journal19:10:111
2667985991511,2cyclictest0-21swapper/121:10:001
266798099152,4cyclictest2870419-21gpgv22:25:000
266798099152,4cyclictest2837796-21ld21:50:190
266798099152,3cyclictest2818500-21sh21:35:120
266798099151,9cyclictest2812034-21ntpq21:25:210
2667980991513,1cyclictest60350irq/132-enp0s29f1:rx-023:45:340
2667980991513,1cyclictest60350irq/132-enp0s29f1:rx-023:40:220
2667980991513,1cyclictest60350irq/132-enp0s29f1:rx-022:40:240
2667980991513,1cyclictest60350irq/132-enp0s29f1:rx-020:35:240
2667980991513,1cyclictest60350irq/132-enp0s29f1:rx-019:45:230
2667980991513,1cyclictest2859447-21idleruntime-cro22:15:000
2667980991512,2cyclictest60350irq/132-enp0s29f1:rx-023:25:170
2667980991511,3cyclictest60350irq/132-enp0s29f1:rx-022:55:000
266798099150,6cyclictest2925365-21cut23:15:180
2667990991411,2cyclictest2986004-21kthreadcore00:15:173
2667990991411,2cyclictest2974738-21cpuspeed_turbos00:05:123
2667990991411,2cyclictest2896467-21unixbench_multi22:45:253
2667987991412,1cyclictest401ktimers/223:29:482
2667987991412,1cyclictest0-21swapper/220:15:002
2667987991411,2cyclictest2714687-21sh19:55:002
266798599149,4cyclictest2995286-21apt-get00:25:111
2667985991411,2cyclictest2964411-21cpuspeed_turbos23:55:131
2667985991411,2cyclictest2838736-21kworker/u8:1+flush-259:022:35:161
2667985991410,3cyclictest507-21in:imuxsock23:25:001
266798099148,4cyclictest2864128-21ntpq22:15:190
266798099143,3cyclictest2832669-21ntpq21:45:200
266798099143,2cyclictest2978661-21ntpq00:05:210
266798099142,2cyclictest2780735-21collect220:55:210
2667980991413,1cyclictest60350irq/132-enp0s29f1:rx-020:34:560
2667980991413,1cyclictest60350irq/132-enp0s29f1:rx-019:42:160
2667980991412,1cyclictest60350irq/132-enp0s29f1:rx-021:55:470
2667980991412,1cyclictest60350irq/132-enp0s29f1:rx-021:20:230
2667980991412,1cyclictest60350irq/132-enp0s29f1:rx-020:10:130
2667980991412,1cyclictest60350irq/132-enp0s29f1:rx-019:20:250
2667980991411,2cyclictest60350irq/132-enp0s29f1:rx-020:45:120
2667980991411,2cyclictest60350irq/132-enp0s29f1:rx-019:50:120
2667980991411,2cyclictest2786748-21munin-plugin-st21:05:000
266799099139,3cyclictest2917924-21cpuspeed_turbos23:10:123
266799099139,3cyclictest2735466-21kworker/u8:2+flush-259:020:45:163
266799099138,3cyclictest2927626-21sshd23:16:163
2667990991311,1cyclictest2902099-21cron22:55:003
2667990991310,2cyclictest2933794-21cut23:25:163
2667990991310,2cyclictest2902430-21cpuspeed_turbos22:55:143
2667990991310,2cyclictest2886427-21apt-key22:40:003
2667990991310,2cyclictest2838237-21unixbench_multi21:50:233
2667990991310,2cyclictest2740418-21kworker/u8:3+flush-259:020:35:263
2667987991311,1cyclictest2705719-21kthreadcore19:45:172
2667987991310,2cyclictest2971813-21kthreadcore00:00:182
266798599139,3cyclictest2923024-21kworker/u8:0+flush-259:023:15:221
266798599138,3cyclictest252-21systemd-journal19:44:111
2667985991310,2cyclictest2739976-21unixbench_singl20:15:261
266798099132,2cyclictest2907920-21ps23:00:150
266798099132,2cyclictest2844494-21idleruntime22:00:170
266798099131,7cyclictest2849515-21diskstats22:05:130
266798099131,3cyclictest3005311-21munin-run00:35:010
266798099131,3cyclictest3005311-21munin-run00:35:000
2667980991311,1cyclictest60350irq/132-enp0s29f1:rx-023:55:190
2667980991311,1cyclictest60350irq/132-enp0s29f1:rx-022:55:140
2667980991311,1cyclictest60350irq/132-enp0s29f1:rx-021:40:250
2667980991311,1cyclictest60350irq/132-enp0s29f1:rx-020:25:180
2667980991311,1cyclictest60350irq/132-enp0s29f1:rx-019:57:290
266799099129,2cyclictest2890923-21ntp_kernel_pll_22:40:213
266799099129,2cyclictest2781633-21kworker/u8:1+flush-259:021:20:013
266799099129,2cyclictest2699524-21kworker/u8:0+flush-259:019:45:173
266799099129,2cyclictest2669234-21tr19:10:163
266799099129,2cyclictest0-21swapper/323:54:593
266799099127,3cyclictest513-21gdbus23:45:003
2667990991210,1cyclictest2843449-21unixbench_singl21:55:263
2667990991210,1cyclictest2755011-21gcc20:30:223
2667990991210,1cyclictest0-21swapper/300:20:163
2667990991210,1cyclictest0-21swapper/300:10:173
266798799129,2cyclictest2990319-21fschecks_count00:20:142
266798799129,2cyclictest2751076-21tr20:30:122
266798799129,2cyclictest0-21swapper/222:05:182
266798799128,3cyclictest2974672-21apt-get00:05:122
266798799128,3cyclictest2923032-21/usr/sbin/munin23:15:252
266798799128,2cyclictest0-21swapper/221:05:002
266798799127,4cyclictest3010442-21latency_hist00:40:002
266798799127,4cyclictest2964346-21apt-get23:55:142
266798799126,4cyclictest252-21systemd-journal23:15:002
2667987991210,1cyclictest0-21swapper/220:05:002
2667987991210,1cyclictest0-21swapper/219:15:002
266798599129,2cyclictest0-21swapper/123:45:131
266798599129,2cyclictest0-21swapper/123:25:171
266798599129,2cyclictest0-21swapper/120:50:161
266798599128,3cyclictest2845175-21kthreadcore22:00:171
266798599125,5cyclictest252-21systemd-journal23:10:001
266798599121,3cyclictest2694139-21awk19:35:001
266798599120,10cyclictest2943454-21awk23:35:001
266798099123,2cyclictest0-21swapper/021:15:150
266799099119,1cyclictest0-21swapper/320:20:153
266799099118,1cyclictest0-21swapper/300:30:213
266799099118,1cyclictest0-21swapper/300:30:203
266799099117,3cyclictest2928499-21fw_forwarded_lo23:20:143
266799099111,8cyclictest2818078-21awk21:35:003
266798799118,2cyclictest2902788-21sed22:55:172
266798799118,2cyclictest2875354-21unixbench_multi22:25:242
266798799115,4cyclictest2678907-21cp19:20:002
266798599119,1cyclictest0-21swapper/100:15:241
266798599118,2cyclictest2896965-21kworker/u8:3+flush-259:022:55:251
266798599118,2cyclictest2828869-21fschecks_count21:45:141
266798599118,2cyclictest2727504-21kthreadcore20:05:181
266798599118,2cyclictest0-21swapper/121:30:221
266798599117,2cyclictest2973927-21unixbench_multi00:00:251
266798599116,4cyclictest2684126-21apt-get19:25:121
266798599116,3cyclictest2918019-21diskstats23:10:141
266798599115,4cyclictest2886740-21base6422:40:011
266798599115,4cyclictest2771331-21kworker/u8:3+flush-259:021:30:001
266798599111,2cyclictest2948629-21awk23:40:001
266798599111,1cyclictest2761020-21idleruntime-cro20:40:001
266798599110,9cyclictest3010436-21awk00:40:001
266798599110,8cyclictest2902096-21latency_hist22:55:001
266799099108,1cyclictest0-21swapper/322:05:153
266799099107,2cyclictest2964753-21irqcore23:55:173
266799099107,2cyclictest2831344-21kthreadcore21:45:173
266799099107,2cyclictest2785840-21ntpq21:00:213
266799099107,2cyclictest0-21swapper/323:00:163
266799099106,3cyclictest2714522-21sshd19:53:103
266799099106,2cyclictest2720087-21sshd20:00:113
266798799107,2cyclictest2761012-21sh20:40:002
266798799101,2cyclictest2964070-21awk23:54:592
266798799100,2cyclictest2943451-21latency_hist23:35:012
266798599107,2cyclictest0-21swapper/122:30:131
266798599107,2cyclictest0-21swapper/120:00:171
266798599106,3cyclictest2823477-21kworker/u8:4+flush-259:021:45:001
266798599106,2cyclictest0-21swapper/119:50:251
266798599104,4cyclictest2783473-21kthreadcore21:00:181
26679909997,1cyclictest0-21swapper/321:35:133
26679909997,1cyclictest0-21swapper/319:20:223
26679909994,3cyclictest2996716-21cut00:25:193
26679879991,6cyclictest2995437-21df00:25:132
26679859996,2cyclictest0-21swapper/120:45:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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