You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-02-11 - 11:03
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 Wed Feb 11, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3105288994639,5cyclictest3334101-21latency_hist22:50:013
3105276994433,9cyclictest3438436-21/usr/sbin/munin00:30:131
3105275994237,4cyclictest3198960-21apt-get20:40:000
3105275994237,3cyclictest3126120-21/usr/sbin/munin19:30:140
3105275994135,4cyclictest3105222-21latency_hist19:09:590
3105275994134,5cyclictest3354700-21latency_hist23:10:010
3105288994033,5cyclictest3178276-21latency_hist20:20:013
3105276993732,3cyclictest3401407-21apt-get23:55:101
3105288993630,4cyclictest3303418-21/usr/sbin/munin22:20:143
3105275993531,3cyclictest3209956-21apt-get20:50:120
3105288993428,4cyclictest3110664-21kworker/u8:0+flush-259:019:40:123
3105276993427,5cyclictest3396006-21latency_hist23:50:011
3105276993328,3cyclictest3261485-21/usr/sbin/munin21:40:151
3105275993329,3cyclictest3448652-21gpgv00:40:010
3105288993227,4cyclictest3157453-21kworker/u8:1+flush-259:020:35:003
3105288993124,4cyclictest3146050-21ntpq19:45:233
3105276993126,4cyclictest3157492-21apt-get20:00:111
3105276993121,8cyclictest3152354-21apt-get19:55:141
3105288993024,4cyclictest3433280-21/usr/sbin/munin00:25:163
3105288993023,5cyclictest3251210-21/usr/sbin/munin21:30:143
3105276993024,4cyclictest3298298-21/usr/sbin/munin22:15:141
3105288992923,4cyclictest3245779-21latency_hist21:25:003
3105288992922,5cyclictest3302926-21kworker/u8:3+flush-259:022:50:173
3105275992925,3cyclictest3385674-21kworker/u8:3+flush-259:000:05:170
3105275992923,4cyclictest3287779-21latency_hist22:05:000
3105275992923,4cyclictest3287779-21latency_hist22:05:000
3105276992822,4cyclictest3365005-21latency_hist23:20:011
3105275992814,13cyclictest507-21in:imuxsock21:55:000
3105288992723,3cyclictest3324014-21kworker/u8:2+events_unbound22:40:143
3105288992720,5cyclictest3318614-21latency_hist22:35:013
3105276992722,3cyclictest3225469-21apt-get21:05:111
3105275992721,4cyclictest3298059-21latency_hist22:15:000
3105288992623,2cyclictest3209708-21kworker/u8:4+flush-259:021:10:223
3105288992619,5cyclictest3214893-21latency_hist20:55:013
3105283992621,3cyclictest3411562-21latency_hist00:05:012
3105283992621,3cyclictest3354966-21apt-get23:10:122
3105283992620,5cyclictest3422301-21apt-get00:15:002
3105275992622,3cyclictest3188882-21apt-get20:30:120
3105275992619,5cyclictest3177421-21ntpq20:15:220
3105288992521,3cyclictest3105492-21/usr/sbin/munin19:10:133
3105288992518,4cyclictest252-21systemd-journal21:10:003
3105283992519,4cyclictest3199067-21cp20:40:012
3105283992519,4cyclictest3167546-21latency_hist20:10:012
3105283992518,2cyclictest0-21swapper/219:50:002
3105276992519,4cyclictest3208840-21ntpq20:45:231
3105288992420,3cyclictest3308361-21kworker/u8:0+flush-259:022:25:263
3105288992419,3cyclictest3172700-21kworker/u8:0+events_unbound20:45:013
3105276992421,2cyclictest3209708-21kworker/u8:4+flush-259:021:00:161
3105276992418,4cyclictest3438197-21latency_hist00:30:011
3105275992318,4cyclictest3246054-21apt-get21:25:130
310528399223,6cyclictest3369435-21/usr/sbin/munin23:20:232
3105283992217,4cyclictest3380740-21/usr/sbin/munin23:35:162
3105283992216,4cyclictest3173328-21/usr/sbin/munin20:15:202
3105276992218,3cyclictest3235747-21/usr/sbin/munin21:15:201
3105276992217,4cyclictest252-21systemd-journal23:15:001
3105275992220,1cyclictest3303189-21idleruntime-cro22:20:000
3105275992217,3cyclictest3256112-21latency_hist21:35:000
3105288992117,3cyclictest3324014-21kworker/u8:2+events_unbound23:00:253
3105288992115,4cyclictest3151236-21ntpq19:50:223
310528399214,4cyclictest3125056-21ntpq19:25:242
3105283992110,6cyclictest3246214-21diskstats21:25:162
310527699219,10cyclictest0-21swapper/119:35:001
3105275992117,3cyclictest0-21swapper/019:15:000
3105275992116,3cyclictest252-21systemd-journal22:37:060
3105275992115,4cyclictest3271071-21ntpq21:45:210
310527599210,19cyclictest3427878-21turbostat00:20:000
3105288992016,3cyclictest3364751-21kworker/u8:0+flush-259:023:25:173
3105288992015,4cyclictest3204545-21kworker/u8:2+flush-259:020:45:283
3105288992014,4cyclictest3364751-21kworker/u8:0+flush-259:023:35:183
3105288992013,5cyclictest3292922-21latency_hist22:10:003
3105283992016,3cyclictest3282217-21apt-get22:00:022
3105283992016,3cyclictest3282217-21apt-get22:00:022
3105283992016,3cyclictest3141363-21apt-get19:45:002
3105283992015,3cyclictest3412071-21base6400:05:002
3105283992014,4cyclictest3147191-21apt-get19:50:112
310527599208,10cyclictest0-21swapper/021:10:160
310527599205,13cyclictest3167749-21sed20:10:010
3105275992015,4cyclictest3313765-21apt-get22:30:110
3105288991916,2cyclictest3411586-21gpgv00:05:003
3105288991916,2cyclictest3324014-21kworker/u8:2+flush-259:023:15:173
3105288991915,3cyclictest3448756-21gpgv00:40:003
3105288991915,2cyclictest0-21swapper/319:25:003
3105288991914,4cyclictest3375605-21kworker/u8:1+flush-259:023:50:253
3105288991913,4cyclictest3277312-21kworker/u8:0+flush-259:022:15:203
310528399194,5cyclictest3346763-21cat23:00:152
310528399193,4cyclictest3400256-21ntpq23:50:202
310527699194,5cyclictest3260379-21ntpq21:35:211
310527699191,9cyclictest3282223-21latency_hist22:00:001
310527699191,9cyclictest3282223-21latency_hist22:00:001
310527699191,3cyclictest3427880-21awk00:20:001
3105276991913,4cyclictest252-21systemd-journal21:15:001
310527699190,3cyclictest3193176-21timerwakeupswit20:30:291
3105275991915,3cyclictest3339480-21/usr/sbin/munin22:55:200
3105275991914,3cyclictest252-21systemd-journal23:38:070
3105275991911,7cyclictest61150irq/133-enp0s29f1:tx-000:30:100
310527599190,4cyclictest3292024-21ntpq22:05:200
310527599190,17cyclictest3370157-21turbostat23:25:000
3105288991814,3cyclictest3142014-21kworker/u8:4+flush-259:020:25:003
3105283991815,2cyclictest3271962-21kworker/u8:1+flush-259:021:55:002
3105283991814,3cyclictest3157453-21kworker/u8:1+flush-259:020:50:012
310527699187,1cyclictest0-21swapper/122:20:211
310527699185,3cyclictest3365823-21sed23:20:151
310527699181,4cyclictest3146930-21idleruntime-cro19:50:001
310527699180,4cyclictest3349554-21idleruntime-cro23:05:001
310527599184,3cyclictest3417763-21cat00:10:170
310527599184,3cyclictest3260338-21ntpq21:35:200
310527599184,2cyclictest3245996-21latency_hist21:25:000
310527599183,2cyclictest3349749-21cat23:05:010
310527599181,3cyclictest3303692-21fschecks_time22:20:140
310527599181,2cyclictest3401820-21sed23:55:160
310527599181,2cyclictest3265492-21ntpq21:40:210
310527599181,2cyclictest252-21systemd-journal22:55:000
310527599181,1cyclictest3389935-21ntpq23:40:200
310527599181,1cyclictest1-21systemd19:45:000
3105275991811,5cyclictest3182547-21ntpq20:20:250
3105275991810,7cyclictest60350irq/132-enp0s29f1:rx-019:20:120
310527599180,4cyclictest3328198-21/usr/sbin/munin22:40:230
310527599180,4cyclictest3224488-21/usr/sbin/munin21:00:230
310527599180,4cyclictest3219283-21/usr/sbin/munin20:55:230
310527599180,15cyclictest171ktimers/023:45:120
310528899178,6cyclictest252-21systemd-journal23:10:003
3105288991713,3cyclictest3406581-21kworker/u8:4+flush-259:000:20:013
3105288991713,3cyclictest3204545-21kworker/u8:2+events_unbound21:25:243
3105288991713,2cyclictest3122028-21kthreadcore19:25:183
3105288991712,3cyclictest3422737-21base6400:15:003
3105288991711,4cyclictest3052216-21kworker/u8:3+flush-259:020:10:163
310528399173,4cyclictest3374519-21gcc23:25:222
310528399173,4cyclictest3168794-21/usr/sbin/munin20:10:182
310528399172,4cyclictest3204536-21/usr/sbin/munin20:45:012
3105283991713,3cyclictest3448538-21apt-get00:40:002
3105283991713,2cyclictest3225443-21kworker/u8:1+flush-259:021:05:162
310527699173,5cyclictest3276174-21ntpq21:50:201
310527699172,3cyclictest513-21gdbus19:45:001
310527699171,5cyclictest3390819-21idleruntime-cro23:44:591
3105276991715,1cyclictest3188619-21sh20:30:001
310527699171,4cyclictest3318602-21idleruntime-cro22:35:001
310527699171,4cyclictest3172663-21latency_hist20:15:011
310527599176,10cyclictest0-21swapper/019:55:160
310527599171,4cyclictest3161831-21/usr/sbin/munin20:00:250
310527599171,4cyclictest3125470-21grep19:25:270
3105275991714,1cyclictest0-21swapper/022:00:000
3105275991714,1cyclictest0-21swapper/022:00:000
310527599171,2cyclictest3131472-21cut19:35:130
310527599170,4cyclictest3370835-21/usr/sbin/munin23:25:170
310527599170,4cyclictest3359013-21awk23:10:220
310527599170,4cyclictest3200069-21/usr/sbin/munin20:40:150
310527599170,3cyclictest3433309-21taskset00:25:150
310527599170,3cyclictest3411772-21latency_hist00:05:000
310527599170,3cyclictest3364558-21head23:15:260
310527599170,3cyclictest3205813-21sed20:45:190
310527599170,3cyclictest3168066-21tune2fs20:10:160
310527599170,2cyclictest3150516-21tr19:50:190
310527599170,2cyclictest252-21systemd-journal19:49:590
3105288991614,1cyclictest0-21swapper/320:40:003
3105288991611,3cyclictest3406581-21kworker/u8:4+flush-259:000:20:203
310528399164,2cyclictest3119859-21ntpq19:20:212
310528399163,4cyclictest3438108-21sshd00:29:072
310528399161,5cyclictest3364674-21modprobe23:16:082
310527699161,5cyclictest3198954-21idleruntime-cro20:40:001
310527699161,3cyclictest3167556-21cut20:10:001
3105276991612,3cyclictest3344397-21latency_hist23:00:011
3105276991611,3cyclictest252-21systemd-journal19:50:291
3105276991610,4cyclictest3219155-21ntpq20:55:201
310527699160,5cyclictest3444624-21tr00:35:171
310527599161,4cyclictest3183921-21/usr/sbin/munin20:25:160
310527599161,3cyclictest3429041-21sed00:20:160
310527599161,2cyclictest3400256-21ntpq23:50:200
310527599161,2cyclictest3375602-21apt-get23:30:120
3105275991612,3cyclictest60350irq/132-enp0s29f1:rx-022:25:260
310527599160,3cyclictest3329584-21irqcore22:45:160
310527599160,3cyclictest3239601-21missed_timers21:15:190
310527599160,3cyclictest3225536-21cpuspeed_turbos21:05:130
3105288991511,3cyclictest3375605-21kworker/u8:1+events_unbound23:40:163
3105288991511,3cyclictest3277312-21kworker/u8:0+events_unbound22:00:233
3105288991511,3cyclictest3277312-21kworker/u8:0+events_unbound22:00:233
3105288991511,3cyclictest3271962-21kworker/u8:1+flush-259:021:55:293
3105288991511,3cyclictest3271962-21kworker/u8:1+flush-259:021:55:283
310528399153,2cyclictest3353829-21ntpq23:05:212
310528399153,2cyclictest3192835-21ntpq20:30:252
310528399151,9cyclictest3318214-21users22:30:252
3105283991513,1cyclictest0-21swapper/221:45:002
310527699159,4cyclictest252-21systemd-journal19:21:061
310527699151,4cyclictest3178269-21turbostat.cron20:19:591
3105276991513,1cyclictest3422316-21idleruntime-cro00:15:001
3105276991512,2cyclictest3297162-21ntp_kernel_pll_22:10:211
3105276991510,3cyclictest252-21systemd-journal19:12:061
3105288991410,2cyclictest0-21swapper/320:09:593
310528399148,5cyclictest3245768-21cron21:25:002
310528399148,4cyclictest252-21systemd-journal23:49:592
310528399143,3cyclictest3130196-21ntpq19:30:232
3105283991410,3cyclictest3287832-21kworker/u8:2+flush-259:022:10:172
310528399140,4cyclictest252-21systemd-journal19:15:012
310527699148,4cyclictest3416273-21ntpq00:05:211
310528899139,3cyclictest3125899-21kworker/u8:2+events_unbound19:30:253
3105288991311,1cyclictest0-21swapper/321:00:183
310528899131,10cyclictest3115581-21awk19:20:003
3105288991310,2cyclictest3433265-21kworker/u8:2+events_unbound00:30:213
310528399137,4cyclictest3215888-21irqcore20:55:162
310528399131,4cyclictest0-21swapper/222:41:072
3105283991311,1cyclictest0-21swapper/200:15:162
3105283991310,1cyclictest3052216-21kworker/u8:3-events_unbound19:39:592
310527699139,3cyclictest3198960-21apt-get20:40:021
310527699139,2cyclictest3380499-21turbostat.cron23:35:001
3105276991311,1cyclictest0-21swapper/122:45:001
3105276991310,2cyclictest3411562-21sh00:05:001
3105276991310,2cyclictest3246463-21irqcore21:25:171
310528899129,2cyclictest3339570-21cpuspeed_turbos22:55:153
310528899129,2cyclictest3238062-21kthreadcore21:15:183
310528899129,2cyclictest3218323-21kthreadcore20:55:173
310528899129,2cyclictest3162377-21sh20:05:003
310528899129,2cyclictest0-21swapper/322:10:253
3105288991210,1cyclictest3269396-21kthreadcore21:45:183
310528399129,2cyclictest3333608-21unixbench_multi22:45:242
310528399129,2cyclictest0-21swapper/222:20:002
310528399128,3cyclictest3236182-21grep21:15:172
310528399126,5cyclictest3252000-21irqcore21:30:162
310528399126,5cyclictest3235507-21dump-pmu-power21:15:002
310528399126,4cyclictest3267050-21apt-get21:45:122
310528399125,5cyclictest3380498-21munin-plugin-st23:34:592
310528399125,5cyclictest3282540-21sed22:00:002
310528399125,5cyclictest3282540-21sed22:00:002
310528399125,5cyclictest3257262-21cut21:35:162
310528399125,5cyclictest3188110-21grep20:25:302
310528399125,4cyclictest3157220-21latency_hist20:00:012
310528399124,7cyclictest3309585-21irqstats22:25:182
310528399124,6cyclictest3428964-21sed00:20:162
310528399124,6cyclictest3211929-21cut20:50:182
310528399124,6cyclictest3109961-21awk19:10:252
310528399124,5cyclictest3339565-21sort22:55:142
310528399124,5cyclictest3308501-21latency_hist22:25:002
310528399122,2cyclictest3292107-21ntp_states22:05:212
310528399122,2cyclictest3161312-21memory20:00:202
3105283991210,1cyclictest0-21swapper/223:40:162
310527699129,2cyclictest3271962-21kworker/u8:1+flush-259:022:05:001
310527699129,2cyclictest3271962-21kworker/u8:1+flush-259:022:05:001
310527699126,4cyclictest3375331-21latency_hist23:30:001
3105276991210,1cyclictest3433041-21idleruntime-cro00:25:001
310528899119,1cyclictest0-21swapper/319:35:243
310528899117,3cyclictest3375605-21kworker/u8:1+flush-259:023:55:153
310528899117,3cyclictest3245440-21kworker/u8:1+events_unbound21:35:153
310528899116,4cyclictest3375605-21kworker/u8:1+flush-259:023:45:203
310528899116,3cyclictest3380495-21awk23:34:593
310528899111,8cyclictest3157220-21latency_hist20:00:013
310528399116,3cyclictest3222289-21cut21:00:172
310528399116,3cyclictest3182576-21ntpq20:20:252
310528399114,5cyclictest3403290-21cut23:55:162
310528399114,5cyclictest3323434-21sshd22:36:012
310528899104,4cyclictest3367599-21tr23:20:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional