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2026-02-14 - 18:17
[ 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 #b, slot #7

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.

Note that this system runs a non-RT kernel.
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot7s.osadl.org (updated Sat Feb 14, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17213243379,4309sleep013487-21kworker/0:211:00:000
156402241210,2385sleep39010-1kworker/3:0H10:55:023
97792230615,2277sleep127505-21kworker/1:012:19:001
121782223212,2192sleep011912-1kworker/0:2H12:25:000
121782223212,2192sleep011912-1kworker/0:2H12:25:000
3313278615,751sleep13415-21/usr/sbin/munin10:15:191
1664727447,722sleep316693-21ntpq09:15:243
247226796,660sleep32513-21ntpq11:55:113
247226796,660sleep32513-21ntpq11:55:113
27226260045,536sleep327364-21grep11:30:203
28706259110,564sleep128745-21ntpq11:35:141
5837245022,411sleep25819-21/usr/sbin/munin10:24:492
5732230336,206sleep30-21swapper/312:05:173
5732230336,206sleep30-21swapper/312:05:173
7782230022,260sleep17920-21sed12:10:481
7782230022,260sleep17920-21sed12:10:481
10412228622,211sleep310464-21sort12:20:113
20693228093,164sleep320837-21latency_hist09:29:503
275972269105,52sleep30-21swapper/309:50:133
20997224823,205sleep121144-21unixbench_multi11:10:191
30997223332,180sleep331142-21grep10:00:193
4094222412,150sleep34241-21apt-key10:19:493
22476222218,136sleep30-21swapper/309:35:033
16786222216,188sleep016942-21latency_hist12:39:500
12673221515,145sleep324340-21kworker/u8:209:04:503
14226220694,51sleep30-21swapper/312:30:163
21964218813,158sleep222068-21fschecks_time11:15:082
24770218231,137sleep324855-21cut08:00:093
14428217510,152sleep314499-21switchtime10:50:183
10881217321,55sleep30-21swapper/307:15:113
25266216915,135sleep225287-21kernelversion11:25:102
17834216538,57sleep30-21swapper/309:20:013
3955216231,92sleep313441-21snmpd08:35:143
31215215782,22sleep30-21swapper/311:44:493
31215215782,22sleep30-21swapper/311:44:493
2156021569,132sleep321685-21sed09:30:183
30800215531,111sleep330803-21cron08:19:483
7923215320,115sleep30-21swapper/308:49:483
8348215132,83sleep10-21swapper/107:09:481
6375214712,117sleep36378-21cron08:44:473
1298621459,43sleep30-21swapper/309:05:073
1298621459,43sleep30-21swapper/309:05:073
31487214418,103sleep30-21swapper/308:20:123
12289214468,34sleep312379-21fschecks_time12:25:163
12289214468,34sleep312379-21fschecks_time12:25:163
16548213825,90sleep116593-21idleruntime-cro12:39:471
22261213771,53sleep322297-21ntpq11:15:133
1318213724,51sleep30-21swapper/310:10:083
21624213513,69sleep30-21swapper/311:14:493
11991213414,95sleep212131-21latency_hist07:19:502
15607213325,88sleep215124-21apt-get10:54:572
7045213029,87sleep37002-21apt-get12:10:253
7045213029,87sleep37002-21apt-get12:10:253
1923121309,70sleep319269-21grep11:05:163
15723213074,43sleep315775-21systemd-run09:14:483
28942212956,25sleep30-21swapper/311:35:213
8888212811,67sleep38899-21modprobe10:34:473
21227212612,66sleep321248-21awk07:49:473
21227212612,66sleep321248-21awk07:49:473
12707212429,82sleep312754-21ntpq10:45:133
5840212211,91sleep30-21swapper/310:24:503
23532212257,48sleep30-21swapper/307:55:173
6990212016,81sleep06501-21apt-get12:09:580
6990212016,81sleep06501-21apt-get12:09:580
2549211911,91sleep11973-21/usr/sbin/munin08:30:201
8590211664,28sleep30-21swapper/308:50:133
3273621156,60sleep30-21swapper/308:25:053
32031211418,79sleep231549-21apt-get10:04:582
32031211418,79sleep231549-21apt-get10:04:582
2961021146,58sleep30-21swapper/309:55:263
29048211021,71sleep129130-21apt-key08:14:491
26254211011,62sleep3222-21systemd-journal11:29:473
2520921109,15sleep10-21swapper/111:25:091
15462211013,80sleep015589-21latency_hist10:54:510
7972210918,75sleep00-21swapper/008:49:490
8419210811,61sleep38519-21latency_hist07:09:503
2855321087,15sleep20-21swapper/211:35:112
1966210621,66sleep01481-21apt-get08:29:580
2977221054,89sleep00-21swapper/009:57:290
5313210415,74sleep15365-21cut12:05:061
5313210415,74sleep15365-21cut12:05:061
26201210410,30sleep126268-21df08:05:041
2361210429,39sleep32372-21uname08:30:143
29133210332,50sleep229290-21sort08:14:502
3435210223,62sleep13523-21latency_hist11:59:491
3435210223,62sleep13523-21latency_hist11:59:491
16601210252,23sleep30-21swapper/307:34:493
12014210014,71sleep212056-21systemd10:44:482
12014210014,71sleep212056-21systemd10:44:482
926529817,20sleep19266-21sshd08:52:001
66429812,72sleep1673-21uname08:25:151
2888429841,47sleep30-21swapper/308:13:143
1392029729,27sleep313728-21/usr/sbin/munin07:25:083
3194029518,56sleep232015-21mailstats11:45:172
1636029519,59sleep016496-21grep10:55:280
1273629312,64sleep112807-21/usr/sbin/munin12:25:261
1273629312,64sleep112807-21/usr/sbin/munin12:25:261
3208329215,57sleep132050-21apt-get10:05:171
3208329215,57sleep132050-21apt-get10:05:171
570229114,62sleep25796-21/usr/sbin/munin08:40:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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