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2026-02-02 - 15:21
[ 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 #a, 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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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.

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 highest latencies:
System rackaslot5s.osadl.org (updated Mon Feb 02, 2026 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811320,0rcu_preempt19-21ksoftirqd/112:37:571
811260,0rcu_preempt19-21ksoftirqd/109:32:391
811240,0rcu_preempt19-21ksoftirqd/109:48:421
811230,0rcu_preempt19-21ksoftirqd/112:23:231
811230,0rcu_preempt19-21ksoftirqd/112:23:231
811170,0rcu_preempt19-21ksoftirqd/111:27:041
811110,0rcu_preempt19-21ksoftirqd/110:33:491
811100,0rcu_preempt9751-1kworker/1:0H10:23:051
811100,0rcu_preempt19-21ksoftirqd/110:51:181
811090,0rcu_preempt19-21ksoftirqd/110:17:041
811090,0rcu_preempt19-21ksoftirqd/110:17:041
811020,0rcu_preempt19-21ksoftirqd/107:44:171
81950,0rcu_preempt19-21ksoftirqd/107:25:111
81920,0rcu_preempt19-21ksoftirqd/110:42:421
81910,0rcu_preempt19-21ksoftirqd/108:19:501
81880,0rcu_preempt19-21ksoftirqd/108:25:131
81860,0rcu_preempt54-21kswapd007:59:441
81860,0rcu_preempt19-21ksoftirqd/110:00:071
81850,0rcu_preempt54-21kswapd011:29:491
81850,0rcu_preempt19-21ksoftirqd/107:50:111
81850,0rcu_preempt19-21ksoftirqd/107:30:141
81840,0rcu_preempt19-21ksoftirqd/108:14:341
81830,0rcu_preempt19-21ksoftirqd/112:29:481
81830,0rcu_preempt19-21ksoftirqd/109:40:521
81810,0rcu_preempt19-21ksoftirqd/111:51:461
81810,0rcu_preempt19-21ksoftirqd/111:47:321
81780,0rcu_preempt19-21ksoftirqd/110:10:071
81780,0rcu_preempt19-21ksoftirqd/107:19:591
81770,0rcu_preempt19-21ksoftirqd/111:18:441
81770,0rcu_preempt19-21ksoftirqd/109:34:551
81770,0rcu_preempt19-21ksoftirqd/107:44:501
81760,0rcu_preempt19-21ksoftirqd/111:13:271
81760,0rcu_preempt19-21ksoftirqd/109:20:011
81750,0rcu_preempt19-21ksoftirqd/112:19:361
10050750,0irq/346-484840054-21kswapd010:30:190
81740,0rcu_preempt19-21ksoftirqd/110:56:091
81730,0rcu_preempt54-21kswapd010:25:051
81730,0rcu_preempt19-21ksoftirqd/111:59:481
81720,0rcu_preempt54-21kswapd010:05:121
81720,0rcu_preempt19-21ksoftirqd/109:24:561
81710,0rcu_preempt19-21ksoftirqd/112:11:211
81710,0rcu_preempt19-21ksoftirqd/111:08:441
81690,0rcu_preempt19-21ksoftirqd/107:55:011
10050690,0irq/346-484840020804-1kworker/0:0H12:23:570
10050690,0irq/346-484840020804-1kworker/0:0H12:23:570
81680,0rcu_preempt54-21kswapd011:39:411
81680,0rcu_preempt54-21kswapd011:39:411
81670,0rcu_preempt10814-1kworker/1:0H12:07:261
81660,0rcu_preempt3-21ksoftirqd/009:59:510
81660,0rcu_preempt19-21ksoftirqd/111:59:371
81660,0rcu_preempt19-21ksoftirqd/111:00:091
81660,0rcu_preempt19-21ksoftirqd/108:59:381
26732996618,0cyclictest0-21swapper/011:04:500
81630,0rcu_preempt19-21ksoftirqd/109:12:171
81620,0rcu_preempt3-21ksoftirqd/010:47:170
81620,0rcu_preempt3-21ksoftirqd/009:40:020
2673299603,0cyclictest0-21swapper/011:23:540
26732996016,0cyclictest0-21swapper/010:22:020
2673299593,0cyclictest0-21swapper/012:07:470
2673299592,0cyclictest0-21swapper/011:35:390
2673299591,0cyclictest1419-21diskmemload11:34:380
2673299583,0cyclictest0-21swapper/012:04:050
2673299582,0cyclictest0-21swapper/009:09:490
2673299581,0cyclictest3564-21munin-node0
81570,0rcu_preempt2719-21ssh11:20:351
2673299576,0cyclictest2259-1kworker/0:2H07:36:090
2673299573,0cyclictest0-21swapper/010:09:460
2673299572,0cyclictest30091-21latency_hist07:19:390
26732995713,0cyclictest0-21swapper/009:16:440
26732995713,0cyclictest0-21swapper/009:16:440
2673299571,0cyclictest32478-21munin-node0
81560,0rcu_preempt19-21ksoftirqd/111:34:381
2673299561,0cyclictest4307-21cat07:39:400
2673299552,0cyclictest0-21swapper/007:52:120
26732995514,0cyclictest243872chrt10:04:470
26732995513,0cyclictest0-21swapper/009:48:410
2673299542,0cyclictest31642-21runrttasks07:24:210
2673299542,0cyclictest0-21swapper/010:19:010
2673299542,0cyclictest0-21swapper/010:19:010
2673299541,0cyclictest12041-21ping08:19:390
81530,0rcu_preempt3-21ksoftirqd/009:58:200
2673299538,0cyclictest2821650kworker/0:0H11:47:560
2673299533,0cyclictest0-21swapper/011:27:540
2673299532,0cyclictest6191-21dropbear07:44:550
2673299532,0cyclictest0-21swapper/009:39:380
81520,0rcu_preempt19-21ksoftirqd/107:05:001
2673299529,0cyclictest0-21swapper/008:09:500
2673299523,0cyclictest0-21swapper/012:15:090
2673299523,0cyclictest0-21swapper/011:03:210
26732995211,0cyclictest430550kworker/0:2H09:30:540
10050520,0irq/346-484840054-21kswapd012:31:470
10050520,0irq/346-48484001543-21munin-node0
81510,0rcu_preempt28522-21apt-get07:14:491
81510,0rcu_preempt20541-21kworker/0:109:27:260
81510,0rcu_preempt19-21ksoftirqd/108:30:091
26732995014,0cyclictest10050irq/346-484840012:35:040
26732995010,0cyclictest1350-21lldpd08:35:010
10050500,0irq/346-4848400851-21rngd11:54:360
81490,0rcu_preempt54-21kswapd012:26:121
81490,0rcu_preempt19-21ksoftirqd/110:45:361
81480,0rcu_preempt1470-21runrttasks08:26:530
81480,0rcu_preempt0-21swapper/109:50:011
2673299482,0cyclictest0-21swapper/007:30:050
170192480,0chrt10050irq/346-484840008:16:120
10050480,0irq/346-484840054-21kswapd010:28:340
2673299474,0cyclictest0-21swapper/009:01:490
10050460,0irq/346-484840054-21kswapd009:19:430
10050460,0irq/346-484840010932-21apt-get07:59:500
10050460,0irq/346-48484000-21swapper/012:10:380
81450,0rcu_preempt19-21ksoftirqd/110:34:481
81450,0rcu_preempt19-21ksoftirqd/109:55:061
81450,0rcu_preempt19-21ksoftirqd/108:59:501
81440,0rcu_preempt19-21ksoftirqd/108:35:031
81440,0rcu_preempt19-21ksoftirqd/107:09:531
81440,0rcu_preempt0-21swapper/109:05:041
2673299445,0cyclictest12041-21ping08:06:400
10050440,0irq/346-484840054-21kswapd010:39:420
10050440,0irq/346-484840054-21kswapd010:39:380
10050440,0irq/346-484840010560-21ssh10:56:070
1599420,0migration/025682-21munin-node0
10050420,0irq/346-48484000-21swapper/011:39:390
10050420,0irq/346-48484000-21swapper/011:39:390
10050420,0irq/346-48484000-21swapper/011:11:380
81410,0rcu_preempt19-21ksoftirqd/108:14:531
2673299411,0cyclictest0-21swapper/011:58:450
10050410,0irq/346-48484000-21swapper/011:15:430
81400,0rcu_preempt851-21rngd08:39:470
81400,0rcu_preempt3-21ksoftirqd/008:30:040
81400,0rcu_preempt19-21ksoftirqd/108:04:571
81390,0rcu_preempt3-21ksoftirqd/008:49:550
81390,0rcu_preempt3-21ksoftirqd/007:13:580
81390,0rcu_preempt19-21ksoftirqd/109:14:511
81390,0rcu_preempt19-21ksoftirqd/109:14:511
10050390,0irq/346-48484000-21swapper/008:56:480
81380,0rcu_preempt3-21ksoftirqd/009:50:130
81380,0rcu_preempt3-21ksoftirqd/007:55:190
81380,0rcu_preempt19-21ksoftirqd/108:44:501
81380,0rcu_preempt19-21ksoftirqd/108:40:001
81380,0rcu_preempt19-21ksoftirqd/107:34:571
13250380,0irq/301-48020000-21swapper/009:04:510
81370,0rcu_preempt3-21ksoftirqd/008:45:160
81360,0rcu_preempt19-21ksoftirqd/108:49:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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