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2026-02-27 - 06:05
[ 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 #3, slot #5

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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  Eltec
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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 50 highest latencies:
System rack3slot5s.osadl.org (updated Fri Feb 27, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2760421500sleep11549750irq/29-eth0_g0_22:36:171
1607521320sleep01549750irq/29-eth0_g0_00:01:500
2335521260sleep11549750irq/29-eth0_g0_00:31:021
3257321070sleep01549750irq/29-eth0_g0_22:57:040
1211030ksoftirqd/11549850irq/30-eth0_g0_23:57:090
784921020sleep11549750irq/29-eth0_g0_21:14:361
86502560sleep01549750irq/29-eth0_g0_23:31:080
121540ksoftirqd/11549850irq/30-eth0_g0_23:14:091
121520ksoftirqd/11549750irq/29-eth0_g0_19:23:280
121510ksoftirqd/11549850irq/30-eth0_g0_21:58:301
121500ksoftirqd/11549850irq/30-eth0_g0_23:45:151
121500ksoftirqd/11549850irq/30-eth0_g0_21:38:381
232162480sleep11549850irq/30-eth0_g0_22:18:231
121470ksoftirqd/11549850irq/30-eth0_g0_22:39:081
121460ksoftirqd/11549750irq/29-eth0_g0_22:51:311
1549750450irq/29-eth0_g0_31ksoftirqd/000:25:440
121450ksoftirqd/11549850irq/30-eth0_g0_23:24:371
121450ksoftirqd/11549750irq/29-eth0_g0_20:17:401
121450ksoftirqd/11549750irq/29-eth0_g0_20:00:311
188052440sleep01549750irq/29-eth0_g0_21:58:410
1549750440irq/29-eth0_g0_30956-21grep22:48:290
121440ksoftirqd/11549850irq/30-eth0_g0_23:33:150
1549850430irq/30-eth0_g0_15495-21kworker/1:023:38:031
1549850430irq/30-eth0_g0_15495-21kworker/1:000:04:171
1549850420irq/30-eth0_g0_31ksoftirqd/022:59:190
1549850420irq/30-eth0_g0_15495-21kworker/1:023:49:541
1549850420irq/30-eth0_g0_15495-21kworker/1:021:33:051
1549750420irq/29-eth0_g0_31ksoftirqd/021:27:440
121420ksoftirqd/11549850irq/30-eth0_g0_00:24:411
121420ksoftirqd/11549750irq/29-eth0_g0_21:11:201
121420ksoftirqd/11549750irq/29-eth0_g0_00:16:381
1549850410irq/30-eth0_g0_15495-21kworker/1:021:21:141
1549750410irq/29-eth0_g0_31ksoftirqd/023:10:470
1549750410irq/29-eth0_g0_31ksoftirqd/023:10:470
1549750410irq/29-eth0_g0_1988-21runrttasks20:16:180
1549750410irq/29-eth0_g0_13-21kworker/0:121:52:490
1549750410irq/29-eth0_g0_121ksoftirqd/123:24:030
1549750410irq/29-eth0_g0_121ksoftirqd/122:22:560
136642410sleep01549850irq/30-eth0_g0_23:52:220
121410ksoftirqd/11549750irq/29-eth0_g0_21:57:511
121410ksoftirqd/11549750irq/29-eth0_g0_20:19:251
121410ksoftirqd/11549750irq/29-eth0_g0_20:09:311
121410ksoftirqd/11549750irq/29-eth0_g0_19:53:271
870599401cyclictest2855-21sed23:08:191
870599401cyclictest2855-21sed23:08:191
1549850400irq/30-eth0_g0_15495-21kworker/1:022:43:261
1549850400irq/30-eth0_g0_15495-21kworker/1:022:14:401
1549850400irq/30-eth0_g0_121ksoftirqd/123:06:071
1549750400irq/29-eth0_g0_13-21kworker/0:122:27:090
1549750400irq/29-eth0_g0_13-21kworker/0:121:45:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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