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2026-02-12 - 09:39
[ 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 Thu Feb 12, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2178305994337,4cyclictest2282341-21latency_hist20:50:011
2178317994134,5cyclictest2376747-21latency_hist22:20:003
2178317993630,4cyclictest2266432-21latency_hist20:35:013
2178317993432,1cyclictest2490613-21fwupd00:07:013
2178317993124,5cyclictest2350288-21base6421:55:003
2178313992821,4cyclictest2438546-21latency_hist23:20:012
2178305992822,4cyclictest2235221-21cp20:05:001
2178305992822,4cyclictest2235221-21cp20:04:591
2178304992824,3cyclictest2412820-21kworker/u8:2+flush-259:023:10:210
2178304992824,3cyclictest2366505-21kworker/u8:2+flush-259:022:45:000
2178304992821,5cyclictest2203156-21ntpq19:30:190
2178313992720,5cyclictest2386121-21ntpq22:25:222
2178313992621,3cyclictest2355317-21apt-get22:00:022
2178305992620,4cyclictest2214372-21latency_hist19:45:001
2178313992519,4cyclictest252-21systemd-journal19:40:072
2178313992518,5cyclictest252-21systemd-journal23:00:002
2178304992521,3cyclictest2412820-21kworker/u8:2+events_unbound23:25:000
2178304992520,4cyclictest2230167-21apt-get20:00:120
2178304992520,4cyclictest2230167-21apt-get20:00:120
2178313992420,3cyclictest2490627-21kworker/u8:2+flush-259:000:30:002
2178313992418,4cyclictest2229902-21latency_hist20:00:012
2178305992421,2cyclictest2303640-21apt-get21:10:121
2178317992318,4cyclictest2475643-21/usr/sbin/munin23:55:123
2178313992319,3cyclictest2469844-21kworker/u8:0+flush-259:023:55:142
2178313992315,6cyclictest252-21systemd-journal21:40:002
2178317992218,3cyclictest2402475-21kworker/u8:1+flush-259:023:40:263
2178317992216,4cyclictest2387040-21latency_hist22:30:003
2178317992216,4cyclictest2188600-21latency_hist19:20:003
2178313992217,3cyclictest2412820-21kworker/u8:2+flush-259:023:10:162
2178313992217,3cyclictest2183690-21/usr/sbin/munin19:15:152
2178313992215,1cyclictest2235042-21munin-plugin-st20:05:002
2178313992215,1cyclictest2235042-21munin-plugin-st20:05:002
2178305992219,2cyclictest2251236-21apt-get20:20:121
2178304992218,3cyclictest2350423-21/usr/sbin/munin21:55:130
2178304992218,3cyclictest2277413-21kworker/u8:0+flush-259:020:50:230
2178304992218,3cyclictest2251579-21kworker/u8:3+flush-259:020:30:160
2178304992217,4cyclictest2287749-21apt-get20:55:110
2178317992117,3cyclictest2402475-21kworker/u8:1+flush-259:022:50:163
217831399216,7cyclictest2490889-21munin-run00:09:592
2178313992117,3cyclictest2402475-21kworker/u8:1+flush-259:022:55:002
2178305992118,2cyclictest2418195-21kworker/u8:3+flush-259:023:00:251
2178304992117,2cyclictest0-21swapper/020:20:000
2178304992115,4cyclictest2490884-21latency_hist00:10:000
2178317992015,3cyclictest252-21systemd-journal23:39:093
2178317992014,4cyclictest2366462-21latency_hist22:10:003
2178313992017,2cyclictest2971-21cron20:24:592
2178313992017,2cyclictest2517141-21cron00:35:002
2178305992016,3cyclictest509-21rs:main1
2178305992016,3cyclictest252-21systemd-journal20:51:091
2178305992016,3cyclictest2183467-21kworker/u8:0+flush-259:019:20:171
2178304992015,4cyclictest2360879-21apt-get22:05:000
217831799199,5cyclictest2344617-21latency_hist21:50:003
2178317991916,2cyclictest509-21rs:main3
2178313991913,4cyclictest252-21systemd-journal22:15:002
2178305991917,1cyclictest0-21swapper/122:30:001
2178305991915,3cyclictest2266444-21idleruntime-cro20:35:001
2178305991915,2cyclictest2303611-21kworker/u8:1+events_unbound21:45:011
2178305991914,4cyclictest2517154-21latency_hist00:35:001
2178304991917,1cyclictest0-21swapper/021:45:000
2178304991916,2cyclictest2229897-21turbostat20:00:000
2178304991914,4cyclictest2449084-21/usr/sbin/munin23:30:240
2178317991811,5cyclictest2302020-21ntpq21:05:203
2178313991815,2cyclictest509-21rs:main2
2178313991815,2cyclictest0-21swapper/223:50:012
2178313991812,4cyclictest2438566-21kworker/u8:3+events_unbound23:55:012
2178313991812,4cyclictest2277272-21base6420:45:012
2178313991812,4cyclictest2261703-21diskstats20:30:152
2178313991810,6cyclictest2324019-21latency_hist21:30:012
2178305991815,2cyclictest2366451-21cron22:10:001
2178305991813,4cyclictest252-21systemd-journal21:10:001
2178304991814,3cyclictest507-21in:imuxsock21:10:000
2178304991813,3cyclictest252-21systemd-journal23:46:460
2178304991813,3cyclictest2448846-21latency_hist23:30:010
2178304991812,4cyclictest2349756-21latency_hist21:55:000
2178304991812,4cyclictest2308956-21diskstats21:15:130
217831399179,5cyclictest2361325-21cat22:05:022
2178313991714,1cyclictest0-21swapper/200:24:592
2178313991711,4cyclictest2192806-21ntpq19:20:212
2178305991715,1cyclictest0-21swapper/120:10:001
2178305991714,2cyclictest2425681-21kthreadcore23:05:161
2178305991714,2cyclictest2209204-21kworker/u8:2+events_unbound19:50:001
2178305991713,3cyclictest2443912-21kworker/u8:0+flush-259:023:25:281
2178304991714,2cyclictest2469844-21kworker/u8:0+flush-259:023:50:260
2178304991711,5cyclictest252-21systemd-journal22:20:000
2178317991614,1cyclictest0-21swapper/320:15:003
2178317991614,1cyclictest0-21swapper/320:14:593
2178317991612,3cyclictest252-21systemd-journal23:25:563
2178317991612,2cyclictest2345296-21irqcore21:50:173
2178317991611,4cyclictest2496486-21kworker/u8:1+flush-259:000:20:153
2178317991611,4cyclictest2412820-21kworker/u8:2+flush-259:023:05:153
217831799160,14cyclictest2235084-21munin-run20:05:003
217831799160,14cyclictest2235084-21munin-run20:04:593
2178313991613,2cyclictest2497749-21kthreadcore00:15:182
2178313991613,1cyclictest0-21swapper/221:10:012
2178313991611,4cyclictest2277413-21kworker/u8:0+flush-259:021:15:162
2178305991613,2cyclictest2387720-21irqcore22:30:161
2178305991612,3cyclictest2402475-21kworker/u8:1+flush-259:023:40:131
2178305991612,3cyclictest2303611-21kworker/u8:1+flush-259:021:35:221
2178304991614,1cyclictest60350irq/132-enp0s29f1:rx-023:07:590
2178304991614,1cyclictest60350irq/132-enp0s29f1:rx-021:45:270
2178304991614,1cyclictest60350irq/132-enp0s29f1:rx-020:42:140
2178304991614,1cyclictest60350irq/132-enp0s29f1:rx-020:05:160
2178304991613,2cyclictest60350irq/132-enp0s29f1:rx-022:38:210
2178304991613,2cyclictest60350irq/132-enp0s29f1:rx-022:30:180
2178304991613,2cyclictest60350irq/132-enp0s29f1:rx-020:25:210
2178304991613,2cyclictest60350irq/132-enp0s29f1:rx-000:15:170
2178304991613,2cyclictest2209204-21kworker/u8:2+flush-259:020:10:160
2178304991613,2cyclictest2209204-21kworker/u8:2+flush-259:020:10:160
217831799157,4cyclictest0-21swapper/321:42:153
217831799156,5cyclictest2203240-21ntp_states19:30:223
217831799153,3cyclictest2260373-21ld20:25:203
217831799151,4cyclictest2517396-21/usr/sbin/munin00:35:193
2178317991512,2cyclictest2397984-21irqcore22:40:163
2178317991512,2cyclictest2392179-21idleruntime-cro22:35:003
2178317991512,2cyclictest2307553-21needreboot21:10:203
2178313991510,3cyclictest2349739-21cron21:55:002
2178313991510,3cyclictest2246073-21apt-get20:15:112
217830599159,4cyclictest2250960-21awk20:20:001
2178305991512,2cyclictest2497138-21irqcore00:15:171
2178305991512,2cyclictest2324426-21cpuspeed_turbos21:30:121
2178305991511,3cyclictest2375855-21kworker/u8:1+flush-259:022:20:141
2178305991511,3cyclictest2319079-21apt-get21:25:111
2178305991511,3cyclictest2240895-21apt-get20:10:131
2178305991511,3cyclictest2240895-21apt-get20:10:121
2178305991510,4cyclictest2355986-21/usr/sbin/munin22:00:151
2178305991510,4cyclictest2275929-21ntpq20:40:221
2178305991510,4cyclictest2193418-21kworker/u8:3+flush-259:019:55:241
2178304991514,1cyclictest60350irq/132-enp0s29f1:rx-000:26:500
2178304991513,1cyclictest60350irq/132-enp0s29f1:rx-021:37:000
2178304991513,1cyclictest60350irq/132-enp0s29f1:rx-021:20:150
2178304991513,1cyclictest60350irq/132-enp0s29f1:rx-021:10:240
2178304991513,1cyclictest60350irq/132-enp0s29f1:rx-019:50:310
2178304991513,1cyclictest60350irq/132-enp0s29f1:rx-019:45:270
2178304991513,1cyclictest60350irq/132-enp0s29f1:rx-019:40:130
2178304991513,1cyclictest60350irq/132-enp0s29f1:rx-019:22:390
2178304991513,1cyclictest60350irq/132-enp0s29f1:rx-000:01:470
2178304991512,2cyclictest60350irq/132-enp0s29f1:rx-019:15:000
2178304991512,2cyclictest2240642-21kworker/u8:1+flush-259:020:45:260
217831799147,5cyclictest2324904-21sed21:30:153
217831799147,5cyclictest2276756-21latency_hist20:45:013
217831799143,2cyclictest2329572-21df21:35:133
2178317991412,1cyclictest0-21swapper/323:55:023
2178317991411,2cyclictest2251653-21sed20:20:163
217831799141,11cyclictest2485714-21latency_hist00:05:013
217831799140,4cyclictest2453035-21ntpq23:30:213
217831399148,4cyclictest2240619-21latency_hist20:10:012
217831399148,4cyclictest1-21systemd22:49:002
2178305991411,2cyclictest2438566-21kworker/u8:3+flush-259:000:10:211
2178305991411,2cyclictest2314113-21fschecks_count21:20:141
2178305991410,3cyclictest2491000-21gpgv00:10:001
2178305991410,3cyclictest2114226-21kworker/u8:1+flush-259:019:15:121
2178304991413,1cyclictest60350irq/132-enp0s29f1:rx-023:42:220
2178304991413,1cyclictest60350irq/132-enp0s29f1:rx-019:39:110
2178304991412,1cyclictest60350irq/132-enp0s29f1:rx-023:00:120
2178304991412,1cyclictest60350irq/132-enp0s29f1:rx-022:25:170
2178304991412,1cyclictest60350irq/132-enp0s29f1:rx-022:06:200
2178304991412,1cyclictest60350irq/132-enp0s29f1:rx-021:04:030
2178304991412,1cyclictest60350irq/132-enp0s29f1:rx-020:37:080
2178304991412,1cyclictest60350irq/132-enp0s29f1:rx-020:22:110
2178304991412,1cyclictest0-21swapper/019:19:590
2178304991411,2cyclictest60350irq/132-enp0s29f1:rx-023:35:130
2178304991411,2cyclictest60350irq/132-enp0s29f1:rx-022:45:130
2178304991410,3cyclictest2402475-21kworker/u8:1+flush-259:023:15:270
217831799138,3cyclictest252-21systemd-journal00:14:593
217831799135,6cyclictest2413070-21apt-get22:55:123
217831799134,2cyclictest2204603-21fw_forwarded_lo19:35:133
217831799134,1cyclictest2381882-21turbostat22:25:003
217831799133,8cyclictest2193730-21awk19:25:003
217831799132,2cyclictest2320060-21irqstats21:25:163
217831799131,7cyclictest2396898-21users22:35:243
217831799131,7cyclictest2178708-21df_inode19:10:133
2178317991310,2cyclictest2465014-21cpuspeed_turbos23:45:133
2178317991310,1cyclictest0-21swapper/320:50:183
2178317991310,1cyclictest0-21swapper/319:40:123
2178317991310,1cyclictest0-21swapper/300:15:243
2178313991310,2cyclictest2423123-21sh23:05:002
217831399130,5cyclictest2183454-21munin-plugin-st19:15:012
217831399130,10cyclictest2209186-21awk19:39:592
217830599139,3cyclictest2507060-21apt-get00:25:121
217830599139,3cyclictest2381921-21kworker/u8:3+flush-259:022:50:291
217830599138,4cyclictest509-21rs:main1
217830599138,4cyclictest2505943-21ntpq00:20:201
217830599137,4cyclictest513-21gdbus19:35:001
2178305991311,1cyclictest0-21swapper/123:11:081
2178305991310,2cyclictest2480520-21sh00:00:001
2178305991310,2cyclictest2371124-21unixbench_multi22:10:251
217830499139,3cyclictest2377009-21apt-get22:20:110
2178304991312,1cyclictest60350irq/132-enp0s29f1:rx-021:31:120
2178304991312,1cyclictest60350irq/132-enp0s29f1:rx-021:25:030
2178304991312,1cyclictest60350irq/132-enp0s29f1:rx-000:21:450
2178304991311,1cyclictest60350irq/132-enp0s29f1:rx-022:56:060
2178304991311,1cyclictest60350irq/132-enp0s29f1:rx-022:10:130
2178304991311,1cyclictest60350irq/132-enp0s29f1:rx-000:35:250
2178304991311,1cyclictest60350irq/132-enp0s29f1:rx-000:33:470
2178304991310,2cyclictest60350irq/132-enp0s29f1:rx-019:25:190
217831799129,2cyclictest2434072-21irqcore23:15:143
217831799129,2cyclictest2271157-21unixbench_multi20:35:243
217831799126,4cyclictest1-21systemd21:00:003
217831799124,1cyclictest191rcu_preempt00:30:213
217831799122,3cyclictest2356317-21hddtemp_smartct22:00:163
217831799122,2cyclictest2314200-21fw_conntrack21:20:143
217831799121,6cyclictest2433019-21runrttasks23:10:283
217831799121,2cyclictest2511022-21ntpq00:25:193
217831799121,2cyclictest2194145-21df19:25:143
217831399129,2cyclictest0-21swapper/220:35:212
217831399128,3cyclictest2355351-21gpgv22:00:002
217831399127,4cyclictest2319480-21kworker/u8:3+flush-259:021:31:132
217831399120,6cyclictest2448833-21idleruntime-cro23:30:002
217830599129,2cyclictest2292954-21cpuspeed_turbos21:00:141
217830599129,2cyclictest2195010-21kthreadcore19:25:181
217830599120,11cyclictest0-21swapper/122:20:001
217831799117,2cyclictest2235729-21sshd20:05:123
217831799112,5cyclictest2292864-21/usr/sbin/munin21:00:123
217831799111,2cyclictest2214926-21fw_forwarded_lo19:45:143
217831799110,2cyclictest2219938-21diskstats19:50:133
217831399117,3cyclictest2402475-21kworker/u8:1+flush-259:023:05:322
217831399117,3cyclictest2319480-21kworker/u8:3+flush-259:021:46:052
217831399115,4cyclictest2522014-21sshd00:36:072
217830599117,3cyclictest2303611-21kworker/u8:1+events_unbound21:55:001
217830499119,1cyclictest60350irq/132-enp0s29f1:rx-022:50:090
217830499117,2cyclictest252-21systemd-journal23:56:080
217831399107,2cyclictest2387434-21cpuspeed_turbos22:30:132
217830599108,1cyclictest0-21swapper/123:35:201
217830599108,1cyclictest0-21swapper/123:20:001
217830599107,2cyclictest2517509-21cpuspeed_turbos00:35:121
217830599107,2cyclictest2469844-21kworker/u8:0+flush-259:023:50:311
217830599106,3cyclictest2251579-21kworker/u8:3+flush-259:020:55:161
217830599105,4cyclictest2484825-21ntpq00:00:211
21783059995,2cyclictest2453137-21ntpq23:30:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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