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2026-01-17 - 19:31
[ 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 Sat Jan 17, 2026 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2103937994338,4cyclictest2264563-21latency_hist09:45:013
2103928994236,4cyclictest2326994-21/usr/sbin/munin10:45:181
2103932993532,2cyclictest2050475-21kworker/u8:1+flush-259:007:40:002
2103932993530,4cyclictest2206961-21kworker/u8:2+flush-259:009:10:002
2103932993529,4cyclictest2145370-21/usr/sbin/munin07:50:342
2103920993531,3cyclictest2400403-21gpgv11:55:000
2103928993429,4cyclictest2358241-21kworker/u8:0+flush-259:011:25:011
2103937993328,4cyclictest2233645-21latency_hist09:15:013
2103932993228,3cyclictest2394799-21kworker/u8:3+events_unbound12:00:152
2103932993226,4cyclictest2114184-21latency_hist07:20:012
2103937993128,2cyclictest2050475-21kworker/u8:1+flush-259:007:30:003
2103937993128,2cyclictest2050475-21kworker/u8:1+events_unbound07:15:153
2103937993127,3cyclictest2421615-21kworker/u8:1+events_unbound12:20:153
2103937993027,2cyclictest2165618-21kworker/u8:4+flush-259:008:45:003
2103928993024,4cyclictest2300358-21kworker/u8:3+flush-259:010:30:051
2103937992926,2cyclictest2114198-21kworker/u8:3+flush-259:007:55:253
2103937992825,2cyclictest2145337-21kworker/u8:0+flush-259:007:50:383
2103937992823,4cyclictest2170441-21ntpq08:10:223
2103920992825,2cyclictest2259041-21kworker/u8:0+flush-259:010:00:160
2103937992724,2cyclictest2269760-21kworker/u8:1+flush-259:010:00:013
2103937992723,3cyclictest2274893-21turbostat09:55:013
2103928992723,3cyclictest2050475-21kworker/u8:1+flush-259:007:15:011
2103920992723,3cyclictest2114198-21kworker/u8:3+flush-259:008:00:150
2103928992622,3cyclictest2181918-21apt-get08:25:171
2103928992619,5cyclictest2161140-21cat08:05:011
210392099260,25cyclictest1-21systemd12:35:010
2103937992521,3cyclictest2155426-21kworker/u8:2+events_unbound08:30:113
2103937992520,4cyclictest2426091-21latency_hist12:20:003
2103920992522,2cyclictest2300358-21kworker/u8:3+events_unbound10:20:000
2103920992521,3cyclictest2259041-21kworker/u8:0+events_unbound09:40:130
2103920992421,2cyclictest2259041-21kworker/u8:0+events_unbound09:45:160
2103920992421,2cyclictest2114198-21kworker/u8:3+events_unbound07:20:140
2103920992420,3cyclictest2405799-21apt-get12:00:110
2103937992320,2cyclictest2269760-21kworker/u8:1+flush-259:010:40:143
2103937992319,3cyclictest2431485-21kworker/u8:2+flush-259:012:25:173
2103937992319,3cyclictest2206962-21kworker/u8:3+events_unbound08:50:133
2103937992318,3cyclictest252-21systemd-journal10:15:183
2103932992320,2cyclictest2050475-21kworker/u8:1+events_unbound08:15:162
2103932992317,4cyclictest2248246-21ntpq09:25:232
2103920992320,2cyclictest2050475-21kworker/u8:1+events_unbound08:25:190
2103920992319,3cyclictest2400582-21kworker/u8:4+events_unbound12:08:040
2103920992319,3cyclictest2050475-21kworker/u8:1+flush-259:008:25:000
2103937992219,2cyclictest2300358-21kworker/u8:3+flush-259:010:30:223
2103937992219,2cyclictest2239026-21kworker/u8:4+flush-259:009:20:153
2103937992219,2cyclictest2181656-21kworker/u8:0+events_unbound08:45:163
2103937992219,2cyclictest2181656-21kworker/u8:0+events_unbound08:45:153
2103937992218,3cyclictest2342917-21kworker/u8:4+flush-259:011:30:253
2103937992218,3cyclictest2197055-21apt-get08:40:003
2103937992217,3cyclictest2331964-21gpgv10:50:003
2103932992219,2cyclictest2421615-21kworker/u8:1+events_unbound12:20:132
2103932992218,3cyclictest2050475-21kworker/u8:1+flush-259:008:05:162
2103928992219,1cyclictest0-21swapper/111:40:001
2103928992218,3cyclictest2155426-21kworker/u8:2+flush-259:008:30:131
2103920992219,2cyclictest2269760-21kworker/u8:1+events_unbound09:50:170
2103920992219,2cyclictest2103862-21kworker/u8:0+flush-259:007:10:190
2103920992218,3cyclictest2368636-21kworker/u8:1+events_unbound11:45:150
2103920992218,3cyclictest2114198-21kworker/u8:3+flush-259:007:40:150
2103920992217,3cyclictest509-21rs:main0
2103937992118,2cyclictest2358241-21kworker/u8:0+flush-259:011:40:213
2103937992117,3cyclictest2269760-21kworker/u8:1+events_unbound10:55:263
2103937992117,3cyclictest2140139-21/usr/sbin/munin07:45:163
2103932992118,2cyclictest2394799-21kworker/u8:3+flush-259:012:05:162
2103932992117,3cyclictest2368636-21kworker/u8:1+events_unbound11:35:142
2103932992117,3cyclictest2114198-21kworker/u8:3+flush-259:007:45:232
2103932992116,3cyclictest2228482-21kworker/u8:3+events_unbound09:35:152
2103928992116,3cyclictest2228482-21kworker/u8:3+flush-259:009:45:201
2103920992118,3cyclictest2071423-21kworker/u8:2+events_unbound07:25:230
2103920992118,2cyclictest2259041-21kworker/u8:0+flush-259:010:05:200
2103920992118,2cyclictest211rcuc/012:25:010
2103920992117,3cyclictest2228482-21kworker/u8:3+flush-259:009:30:160
2103937992018,2cyclictest2358241-21kworker/u8:0+flush-259:011:45:163
2103937992017,3cyclictest2050475-21kworker/u8:1+events_unbound07:30:143
2103937992017,2cyclictest2368862-21apt-get11:25:133
2103937992017,2cyclictest2342917-21kworker/u8:4+flush-259:011:10:263
2103937992017,2cyclictest2218160-21kworker/u8:1+events_unbound09:17:043
2103937992015,4cyclictest2367726-21ntpq11:20:203
2103928992016,3cyclictest2400582-21kworker/u8:4+flush-259:012:05:251
2103928992014,4cyclictest2155621-21/usr/sbin/munin08:00:131
2103920992017,2cyclictest2290366-21kworker/u8:2+events_unbound10:10:240
2103920992017,2cyclictest2050475-21kworker/u8:1+flush-259:007:30:210
2103920992016,3cyclictest2206962-21kworker/u8:3+flush-259:008:54:400
2103920992013,5cyclictest2304902-21ntpq10:20:210
2103937991916,2cyclictest2358241-21kworker/u8:0+flush-259:011:35:183
2103937991916,2cyclictest2206961-21kworker/u8:2+events_unbound09:05:163
2103937991916,2cyclictest2050475-21kworker/u8:1+flush-259:007:20:163
2103937991915,3cyclictest2400582-21kworker/u8:4+events_unbound12:05:203
2103937991915,3cyclictest2399927-21apt-get11:55:013
2103937991915,3cyclictest2269760-21kworker/u8:1+flush-259:011:00:183
2103937991915,3cyclictest2161079-21base6408:05:003
2103932991916,2cyclictest2431485-21kworker/u8:2+events_unbound12:35:152
2103932991916,2cyclictest2259041-21kworker/u8:0+flush-259:010:05:012
2103928991915,3cyclictest2269760-21kworker/u8:1+flush-259:009:55:221
2103928991915,3cyclictest2197262-21gpgv08:40:001
2103928991913,4cyclictest2150532-21apt-get07:55:111
2103920991916,2cyclictest2342917-21kworker/u8:4+events_unbound11:10:200
2103920991916,2cyclictest2316735-21irqcore10:35:160
2103920991915,3cyclictest2305783-21kworker/u8:0+flush-259:010:27:090
2103920991915,3cyclictest2050475-21kworker/u8:1+events_unbound07:15:240
2103920991914,4cyclictest2358241-21kworker/u8:0+events_unbound11:26:040
2103920991914,4cyclictest2337762-21/usr/sbin/munin10:55:140
2103920991912,5cyclictest2326958-21cp10:45:000
2103937991816,2cyclictest2155426-21kworker/u8:2+events_unbound08:29:063
2103937991815,2cyclictest2400582-21kworker/u8:4+events_unbound12:14:293
2103937991815,2cyclictest2300358-21kworker/u8:3+events_unbound10:25:143
2103937991815,2cyclictest2114198-21kworker/u8:3+events_unbound07:40:123
2103937991815,2cyclictest2103862-21kworker/u8:0+flush-259:007:10:213
2103937991815,2cyclictest2050475-21kworker/u8:1+flush-259:008:19:593
2103937991814,3cyclictest2395291-21cut11:50:173
2103937991814,3cyclictest2213244-21apt-get08:55:113
2103932991815,2cyclictest2971-21cron08:44:592
2103932991814,3cyclictest2358241-21kworker/u8:0+flush-259:011:40:242
2103932991814,3cyclictest2358241-21kworker/u8:0+flush-259:011:20:232
2103932991814,3cyclictest2290366-21kworker/u8:2+flush-259:010:10:202
2103932991813,4cyclictest2342917-21kworker/u8:4+flush-259:011:05:152
2103932991813,3cyclictest2305783-21kworker/u8:0+flush-259:010:29:592
2103932991812,4cyclictest2155426-21kworker/u8:2+flush-259:008:30:252
210393299180,16cyclictest1-21systemd07:35:002
2103928991815,2cyclictest2426765-21irqcore12:20:161
2103928991814,3cyclictest2342917-21kworker/u8:4+flush-259:011:30:211
2103928991812,4cyclictest2358214-21latency_hist11:15:011
2103920991815,2cyclictest2206961-21kworker/u8:2+events_unbound08:55:170
2103920991815,2cyclictest2050475-21kworker/u8:1+events_unbound08:07:040
2103920991814,3cyclictest2441856-21kworker/u8:4+events_unbound12:35:220
2103920991814,3cyclictest2218160-21kworker/u8:1+events_unbound09:15:190
2103920991814,3cyclictest2181656-21kworker/u8:0+events_unbound09:10:180
2103920991813,4cyclictest2416074-21/usr/sbin/munin12:10:160
2103920991813,4cyclictest2311171-21apt-get10:30:110
2103937991714,2cyclictest2316055-21kworker/u8:2+flush-259:010:50:213
2103937991714,2cyclictest2269760-21kworker/u8:1+events_unbound10:06:043
2103937991713,3cyclictest2410696-21kworker/u8:0+flush-259:012:30:163
2103932991713,3cyclictest2358241-21kworker/u8:0+flush-259:011:45:162
2103932991713,2cyclictest2269760-21kworker/u8:1+events_unbound10:40:172
2103928991715,1cyclictest2213670-21irqcore08:55:161
2103928991714,2cyclictest2399921-21idleruntime-cro11:55:001
2103928991714,2cyclictest2321473-21apt-get10:40:121
2103928991713,3cyclictest509-21rs:main1
2103920991715,1cyclictest1-21systemd08:33:040
2103920991714,2cyclictest2368636-21kworker/u8:1+flush-259:011:40:350
2103920991714,2cyclictest2358241-21kworker/u8:0+events_unbound11:35:220
2103920991714,2cyclictest2342917-21kworker/u8:4+flush-259:011:30:190
2103920991714,2cyclictest2269760-21kworker/u8:1+flush-259:010:40:200
2103920991714,2cyclictest2145337-21kworker/u8:0+flush-259:007:55:000
2103920991713,3cyclictest2358241-21kworker/u8:0+events_unbound11:50:150
2103920991713,3cyclictest2358241-21kworker/u8:0+events_unbound11:20:010
2103920991713,3cyclictest2342917-21kworker/u8:4+events_unbound11:05:200
2103920991713,3cyclictest2155426-21kworker/u8:2+flush-259:008:35:150
2103920991713,3cyclictest2114198-21kworker/u8:3+events_unbound07:35:260
2103920991712,4cyclictest252-21systemd-journal08:17:010
2103920991711,4cyclictest252-21systemd-journal08:47:040
2103920991711,4cyclictest252-21systemd-journal08:47:030
2103937991613,2cyclictest2259041-21kworker/u8:0+flush-259:010:00:253
2103937991613,2cyclictest2114198-21kworker/u8:3+flush-259:007:35:193
210393299169,5cyclictest252-21systemd-journal08:29:592
2103932991613,2cyclictest2441605-21cron12:35:012
2103932991613,2cyclictest2050475-21kworker/u8:1+flush-259:007:45:012
2103932991613,2cyclictest0-21swapper/207:25:002
2103932991612,3cyclictest2316055-21kworker/u8:2+flush-259:010:50:202
2103932991612,3cyclictest2165618-21kworker/u8:4+events_unbound08:45:122
2103932991612,3cyclictest2165618-21kworker/u8:4+events_unbound08:45:122
2103932991612,3cyclictest2165154-21kworker/u8:0+flush-259:008:10:152
2103932991612,3cyclictest2114198-21kworker/u8:3+flush-259:008:00:232
2103928991613,2cyclictest2225901-21kthreadcore09:05:191
2103928991613,2cyclictest2050475-21kworker/u8:1+flush-259:007:15:161
2103928991612,3cyclictest2290366-21kworker/u8:2+flush-259:010:15:371
2103920991614,2cyclictest60350irq/132-enp0s29f1:rx-008:43:440
2103920991614,1cyclictest60350irq/132-enp0s29f1:rx-012:25:210
2103920991613,2cyclictest60350irq/132-enp0s29f1:rx-009:55:500
2103920991613,2cyclictest2114198-21kworker/u8:3+events_unbound07:49:040
2103920991612,3cyclictest2239026-21kworker/u8:4+flush-259:009:26:130
2103920991612,3cyclictest2206961-21kworker/u8:2+events_unbound09:05:190
2103937991513,2cyclictest2259041-21kworker/u8:0+events_unbound10:10:043
2103937991513,2cyclictest2218160-21kworker/u8:1+events_unbound09:00:273
2103937991512,3cyclictest2050475-21kworker/u8:1+events_unbound08:04:533
2103937991512,2cyclictest2431485-21kworker/u8:2+events_unbound12:35:133
2103937991512,2cyclictest2050475-21kworker/u8:1+flush-259:008:20:203
2103937991511,3cyclictest2394799-21kworker/u8:3+events_unbound12:02:043
210393299156,7cyclictest2269760-21kworker/u8:1+flush-259:011:05:002
2103932991512,2cyclictest2259041-21kworker/u8:0+events_unbound10:05:242
2103932991511,3cyclictest2259041-21kworker/u8:0+events_unbound09:40:152
2103932991511,3cyclictest2071423-21kworker/u8:2+events_unbound07:25:152
2103932991510,4cyclictest2431485-21kworker/u8:2+flush-259:012:27:332
2103932991510,4cyclictest2399927-21apt-get11:55:002
2103932991510,3cyclictest2103862-21kworker/u8:0+events_unbound07:10:222
210392899159,4cyclictest2431520-21apt-get12:25:121
2103928991512,2cyclictest2207813-21cron08:50:011
2103928991512,2cyclictest2207813-21cron08:50:001
2103928991512,2cyclictest2171319-21idleruntime-cro08:14:591
2103928991511,3cyclictest2165618-21kworker/u8:4+flush-259:008:40:251
2103928991510,3cyclictest2269760-21kworker/u8:1+flush-259:011:00:001
2103920991514,1cyclictest60350irq/132-enp0s29f1:rx-011:02:580
2103920991513,1cyclictest60350irq/132-enp0s29f1:rx-010:50:190
2103920991513,1cyclictest60350irq/132-enp0s29f1:rx-007:55:160
2103920991512,2cyclictest2400582-21kworker/u8:4+events_unbound12:15:190
2103920991511,3cyclictest2358486-21apt-get11:15:090
2103937991411,2cyclictest2342917-21kworker/u8:4+flush-259:011:15:183
2103937991411,2cyclictest2239026-21kworker/u8:4+events_unbound09:26:193
2103937991411,2cyclictest2228482-21kworker/u8:3+events_unbound09:45:173
2103937991410,3cyclictest2305783-21kworker/u8:0+flush-259:010:35:053
210393299149,4cyclictest2320330-21ntpq10:35:202
210393299149,3cyclictest2269760-21kworker/u8:1+flush-259:009:55:192
2103932991411,2cyclictest2269760-21kworker/u8:1+flush-259:010:55:232
2103932991411,2cyclictest2050475-21kworker/u8:1+flush-259:008:20:182
2103932991410,3cyclictest2114198-21kworker/u8:3+flush-259:007:55:132
210392899149,4cyclictest2394799-21kworker/u8:3+flush-259:011:55:171
210392899149,3cyclictest2244197-21/usr/sbin/munin09:25:241
210392899148,4cyclictest252-21systemd-journal10:12:021
2103928991411,2cyclictest2420969-21sh12:15:001
2103928991411,2cyclictest2259041-21kworker/u8:0+flush-259:010:05:271
2103928991410,3cyclictest2145619-21fschecks_time07:50:351
210392899140,7cyclictest2285194-21munin-run10:05:011
2103920991411,2cyclictest60350irq/132-enp0s29f1:rx-008:10:220
210393799139,3cyclictest2239026-21kworker/u8:4+events_unbound09:30:023
2103937991311,1cyclictest2305740-21sh10:25:003
210393299139,3cyclictest2400582-21kworker/u8:4+events_unbound12:10:192
210393299139,3cyclictest2239026-21kworker/u8:4+events_unbound09:30:262
2103932991310,2cyclictest0-21swapper/209:55:012
210392899139,3cyclictest2348135-21apt-get11:05:101
210392899139,3cyclictest2342917-21kworker/u8:4+flush-259:011:15:221
210392899139,3cyclictest2300358-21kworker/u8:3+flush-259:010:30:011
210392899137,4cyclictest252-21systemd-journal11:45:001
2103928991310,2cyclictest2421646-21sed12:15:171
2103928991310,2cyclictest2358241-21kworker/u8:0+flush-259:011:45:221
2103928991310,2cyclictest2303033-21kthreadcore10:20:171
2103928991310,2cyclictest2135065-21cpuspeed_turbos07:40:131
2103920991310,2cyclictest2206961-21kworker/u8:2+flush-259:009:22:080
210393799128,3cyclictest2269760-21kworker/u8:1+flush-259:011:07:243
210393799128,3cyclictest2206961-21kworker/u8:2+flush-259:009:35:213
210393299129,2cyclictest2342917-21kworker/u8:4+flush-259:011:30:202
210393299129,2cyclictest2229001-21fschecks_time09:10:152
210393299129,1cyclictest0-21swapper/209:15:182
2103932991210,1cyclictest2422257-21kthreadcore12:15:172
210392899129,2cyclictest2249436-21cpuspeed_turbos09:30:151
210392899129,2cyclictest2218160-21kworker/u8:1+flush-259:009:00:191
210392899128,3cyclictest2410696-21kworker/u8:0+flush-259:012:35:011
210392899128,3cyclictest2269760-21kworker/u8:1+flush-259:010:35:241
210392899128,3cyclictest2239060-21apt-get09:20:121
210392899128,3cyclictest2206962-21kworker/u8:3+flush-259:008:50:141
210392899126,4cyclictest2410669-21latency_hist12:05:011
210392899126,4cyclictest2269760-21kworker/u8:1+flush-259:011:00:241
210393299118,2cyclictest0-21swapper/209:25:012
210392899119,1cyclictest0-21swapper/111:25:181
210392899119,1cyclictest0-21swapper/108:20:201
210392899118,2cyclictest2270076-21cpuspeed_turbos09:50:121
210392899117,3cyclictest2050475-21kworker/u8:1+flush-259:008:15:251
210393299107,1cyclictest2266146-21kthreadcore09:45:182
210393299106,3cyclictest2206962-21kworker/u8:3+flush-259:008:50:172
210393299105,1cyclictest2300609-21munin-plugin-st10:20:002
210392899107,2cyclictest2316055-21kworker/u8:2+events_unbound10:50:181
210392899107,2cyclictest2129948-21cpuspeed_turbos07:35:131
210392899105,3cyclictest2119580-21apt-get07:25:111
210392899102,6cyclictest2118464-21ntpq07:20:201
210392899101,7cyclictest2264567-21munin-run09:45:001
21039289995,3cyclictest2443775-21cut12:35:181
21039289995,3cyclictest2232031-21cut09:10:181
21039289995,3cyclictest2140427-21uniq07:45:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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