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2026-01-20 - 00:04
[ 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 Mon Jan 19, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1205021630sleep02124050irq/29-eth0_g0_11:57:270
1566321340sleep02124050irq/29-eth0_g0_12:11:400
84572670sleep12124150irq/30-eth0_g0_09:29:541
114772590sleep12124050irq/29-eth0_g0_09:44:091
22212540sleep02124150irq/30-eth0_g0_09:04:520
2124150520irq/30-eth0_g0_13-21kworker/0:109:29:530
2124150470irq/30-eth0_g0_13-21kworker/0:109:56:510
2124150470irq/30-eth0_g0_13-21kworker/0:109:56:510
121470ksoftirqd/12124150irq/30-eth0_g0_11:12:310
121470ksoftirqd/12124050irq/29-eth0_g0_11:46:481
121470ksoftirqd/12124050irq/29-eth0_g0_11:41:341
121470ksoftirqd/12124050irq/29-eth0_g0_10:25:141
167862460sleep02124150irq/30-eth0_g0_12:15:290
121460ksoftirqd/12124050irq/29-eth0_g0_08:09:541
121450ksoftirqd/12124050irq/29-eth0_g0_09:25:411
121440ksoftirqd/1587899cyclictest11:19:341
121440ksoftirqd/12124050irq/29-eth0_g0_12:19:491
121440ksoftirqd/12124050irq/29-eth0_g0_10:40:471
121440ksoftirqd/12124050irq/29-eth0_g0_09:18:021
2124150430irq/30-eth0_g0_31ksoftirqd/011:14:550
2124150430irq/30-eth0_g0_31ksoftirqd/009:43:570
2124150430irq/30-eth0_g0_13-21kworker/0:111:35:160
2124050430irq/29-eth0_g0_470-21kworker/1:111:24:551
121430ksoftirqd/12124050irq/29-eth0_g0_09:49:561
121430ksoftirqd/12124050irq/29-eth0_g0_07:41:561
101882430sleep02124150irq/30-eth0_g0_09:38:250
2124150420irq/30-eth0_g0_13-21kworker/0:111:53:340
2124150420irq/30-eth0_g0_13-21kworker/0:111:53:340
2124150420irq/30-eth0_g0_13-21kworker/0:111:43:020
2124150420irq/30-eth0_g0_13-21kworker/0:109:47:300
2124050420irq/29-eth0_g0_31ksoftirqd/010:44:480
2124050420irq/29-eth0_g0_31ksoftirqd/010:44:480
2124050420irq/29-eth0_g0_271922sleep110:46:231
2124050420irq/29-eth0_g0_271922sleep110:46:231
121420ksoftirqd/12124050irq/29-eth0_g0_09:19:511
121420ksoftirqd/12124050irq/29-eth0_g0_08:04:261
2124150410irq/30-eth0_g0_31ksoftirqd/012:08:070
2124150410irq/30-eth0_g0_31ksoftirqd/010:33:590
2124150410irq/30-eth0_g0_31ksoftirqd/009:13:470
2124150410irq/30-eth0_g0_15685-21ntp_states09:59:510
2124150410irq/30-eth0_g0_13-21kworker/0:112:34:320
2124150410irq/30-eth0_g0_13-21kworker/0:111:00:230
2124150410irq/30-eth0_g0_13-21kworker/0:110:17:420
2124150410irq/30-eth0_g0_13-21kworker/0:109:26:350
2124050410irq/29-eth0_g0_4971-21taskset07:04:480
121410ksoftirqd/12124050irq/29-eth0_g0_07:10:031
2124150400irq/30-eth0_g0_31ksoftirqd/012:36:140
2124150400irq/30-eth0_g0_31ksoftirqd/011:31:330
2124150400irq/30-eth0_g0_31ksoftirqd/010:28:040
2124150400irq/30-eth0_g0_13-21kworker/0:111:45:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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