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2026-01-24 - 04:57
[ 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 Sat Jan 24, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
121950ksoftirqd/12124150irq/30-eth0_g0_00:31:201
121750ksoftirqd/12124150irq/30-eth0_g0_20:42:171
121750ksoftirqd/12124150irq/30-eth0_g0_20:42:171
121740ksoftirqd/12124150irq/30-eth0_g0_00:11:491
121740ksoftirqd/12124150irq/30-eth0_g0_00:11:491
161852720sleep12124150irq/30-eth0_g0_21:58:101
121680ksoftirqd/12124150irq/30-eth0_g0_19:25:441
121650ksoftirqd/12124150irq/30-eth0_g0_23:47:261
57522580sleep02124050irq/29-eth0_g0_23:27:170
121550ksoftirqd/12124150irq/30-eth0_g0_19:54:280
9642540sleep02124150irq/30-eth0_g0_20:54:450
281292520sleep12124050irq/29-eth0_g0_22:44:461
121520ksoftirqd/12124050irq/29-eth0_g0_21:49:111
2124050500irq/29-eth0_g0_121ksoftirqd/123:59:361
121480ksoftirqd/12124150irq/30-eth0_g0_23:13:360
121480ksoftirqd/12124150irq/30-eth0_g0_22:09:461
209672470sleep12124050irq/29-eth0_g0_22:16:461
121470ksoftirqd/12124150irq/30-eth0_g0_22:46:370
121470ksoftirqd/12124050irq/29-eth0_g0_23:35:471
121470ksoftirqd/12124050irq/29-eth0_g0_22:59:381
121470ksoftirqd/12124050irq/29-eth0_g0_00:15:291
76232460sleep12124150irq/30-eth0_g0_21:23:221
2124050460irq/29-eth0_g0_223252sleep122:23:171
121460ksoftirqd/12124050irq/29-eth0_g0_21:11:461
121460ksoftirqd/12124050irq/29-eth0_g0_20:14:371
121460ksoftirqd/12124050irq/29-eth0_g0_00:20:041
2124150450irq/30-eth0_g0_10390-21df21:34:360
2124150450irq/30-eth0_g0_10390-21df21:34:360
2124050450irq/29-eth0_g0_470-21kworker/1:123:09:091
121450ksoftirqd/12124150irq/30-eth0_g0_23:09:281
121450ksoftirqd/12124050irq/29-eth0_g0_22:39:461
2124050440irq/29-eth0_g0_6189-21cat19:04:391
2124050440irq/29-eth0_g0_470-21kworker/1:121:49:421
121440ksoftirqd/12124050irq/29-eth0_g0_21:36:301
121440ksoftirqd/12124050irq/29-eth0_g0_21:36:301
121440ksoftirqd/12124050irq/29-eth0_g0_21:33:551
121440ksoftirqd/12124050irq/29-eth0_g0_20:44:391
121440ksoftirqd/12124050irq/29-eth0_g0_00:24:281
121430ksoftirqd/12124050irq/29-eth0_g0_22:27:371
121430ksoftirqd/12124050irq/29-eth0_g0_21:18:191
74652420sleep02124150irq/30-eth0_g0_21:21:310
2124150420irq/30-eth0_g0_121ksoftirqd/121:29:580
2124050420irq/29-eth0_g0_470-21kworker/1:121:27:451
2124050420irq/29-eth0_g0_16618-21runrttasks21:59:371
121420ksoftirqd/12124050irq/29-eth0_g0_23:58:511
121420ksoftirqd/12124050irq/29-eth0_g0_23:53:541
121420ksoftirqd/12124050irq/29-eth0_g0_22:59:131
121420ksoftirqd/12124050irq/29-eth0_g0_22:59:131
2124150410irq/30-eth0_g0_30960-21chrt20:44:440
2124150410irq/30-eth0_g0_13-21kworker/0:122:54:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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