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2026-02-19 - 21:05
[ 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 Thu Feb 19, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4152234113,206sleep34232-21fschecks_time09:09:483
32042228298,164sleep33257-21munin-node07:14:313
26807228017,245sleep226801-21apt-get12:04:442
29660227626,231sleep229753-21/usr/sbin/munin07:04:582
3689226516,200sleep33740-21sort12:34:453
16382223618,59sleep316528-21grep11:30:013
6101223341,26sleep30-21swapper/310:59:323
13925222757,67sleep313957-21modprobe07:59:303
13925222757,67sleep313957-21modprobe07:59:303
17839222615,196sleep117889-21awk11:34:551
9842220311,172sleep39931-21/usr/sbin/munin07:44:523
19241220330,149sleep30-21swapper/311:39:503
19241220330,149sleep30-21swapper/311:39:503
28116219511,170sleep128124-21ntpq10:24:571
336121940,14sleep20-21swapper/209:05:022
31023219310,166sleep331039-21uname10:34:533
28065219110,163sleep328086-21awk12:09:303
9152219019,147sleep39155-21cron11:09:293
28995217932,130sleep329124-21timerwakeupswit12:09:583
1183121738,153sleep311840-21munin-run09:34:323
3180216663,14sleep30-21swapper/307:24:333
30273216631,98sleep330319-21/usr/sbin/munin12:14:553
25793216613,140sleep325830-21sh10:19:303
6537216422,122sleep16585-21fschecks_count07:34:491
6537216422,122sleep16585-21fschecks_count07:34:491
1568821638,18sleep30-21swapper/309:44:583
27306215711,49sleep30-21swapper/308:39:563
18661215711,109sleep318751-21ls08:14:323
2591021549,109sleep325985-21switchtime08:35:003
23899215317,120sleep123953-21fschecks_count08:29:491
3049215216,107sleep30-21swapper/309:05:003
3002321526,36sleep30-21swapper/308:49:413
32585215114,25sleep00-21swapper/010:39:500
2402221519,128sleep324079-21awk08:29:513
1403421517,132sleep314079-21grep09:39:533
31603215015,68sleep131471-21/usr/sbin/munin12:19:491
25122214914,121sleep025154-21latency_hist08:34:320
25013214818,105sleep30-21swapper/311:59:323
2182214715,39sleep12225-21/usr/sbin/munin07:19:551
13211214752,84sleep313441-21snmpd09:37:513
389214513,54sleep3470-21apt-config08:59:313
2080321459,53sleep30-21swapper/308:19:493
599213914,91sleep1802-21kworker/u8:008:59:331
18717213912,110sleep318778-21modprobe11:39:303
9845213616,95sleep30-21swapper/311:09:583
2805821309,17sleep30-21swapper/310:24:553
777421289,104sleep37797-21latency_hist07:39:313
777421289,104sleep37797-21latency_hist07:39:313
23522212833,53sleep30-21swapper/308:29:303
3000212743,43sleep33131-21cut10:49:343
1567212738,24sleep30-21swapper/307:19:323
19155212613,54sleep30-21swapper/308:15:013
18295212629,58sleep30-21swapper/309:54:433
1158321258,69sleep30-21swapper/307:49:573
29615212422,20sleep10-21swapper/107:04:571
25820212414,93sleep125334-21/usr/sbin/munin08:34:581
14560212314,44sleep214613-21memory07:59:532
3054221229,13sleep30-21swapper/310:34:323
409321197,14sleep30-21swapper/310:50:073
473211820,67sleep0595-21grep08:59:320
4061211737,50sleep04057-21apt-get09:09:410
1664921176,78sleep30-21swapper/308:05:033
7657211610,94sleep37656-21munin-run11:04:333
2959121165,14sleep00-21swapper/012:14:110
31715211522,48sleep30-21swapper/312:19:513
211421159,90sleep30-21swapper/312:29:403
1987321159,55sleep319878-21cpu09:59:443
5612211421,52sleep30-21swapper/309:14:453
1841221145,98sleep00-21swapper/011:35:350
67421137,68sleep3699-21grep12:24:483
14770211210,88sleep314893-21sed11:25:043
4007211119,71sleep04089-21timerandwakeup07:25:030
23165211110,91sleep313441-21snmpd11:51:373
2604211015,79sleep02639-21proc_pri12:29:580
25135211019,72sleep225242-21timerandwakeup10:15:012
2329021107,64sleep30-21swapper/310:09:533
14267211010,61sleep314315-21sshd07:59:463
742621099,56sleep30-21swapper/309:19:423
587210916,78sleep0659-21df12:24:450
18032210918,67sleep00-21swapper/008:10:010
28480210820,48sleep30-21swapper/308:44:453
26940210727,48sleep226932-21apt-get08:39:472
10294210710,79sleep010380-21grep09:29:320
9489210610,79sleep30-21swapper/309:24:593
22076210618,69sleep022196-21timerwakeupswit10:05:020
6091210514,75sleep26100-21munin-run10:59:312
503210517,71sleep1630-21wc10:39:591
17364210536,54sleep317473-21timerandwakeup09:49:583
11251210528,39sleep311269-21grep11:14:503
958210418,60sleep01109-21sed07:15:010
9144210421,45sleep30-21swapper/307:42:463
9144210421,45sleep30-21swapper/307:42:463
2568321038,38sleep30-21swapper/311:59:573
4335210218,70sleep24408-21sed09:09:522
342210214,72sleep0467-21date12:24:320
20479210214,74sleep220550-21latency_hist08:19:322
29781210122,63sleep11-21systemd08:49:311
29754210127,59sleep329841-21ls07:04:593
35529967,16sleep30-21swapper/310:39:573
1698929811,75sleep117078-21unin-run11:34:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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