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2026-02-15 - 14:51
[ 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 792 highest latencies:
System rackaslot5s.osadl.org (updated Sun Feb 15, 2026 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811230,0rcu_preempt19-21ksoftirqd/108:26:141
811210,0rcu_preempt19-21ksoftirqd/109:59:511
811160,0rcu_preempt19-21ksoftirqd/107:44:391
811140,0rcu_preempt19-21ksoftirqd/110:54:411
811120,0rcu_preempt19-21ksoftirqd/110:18:481
811110,0rcu_preempt19-21ksoftirqd/109:14:511
811090,0rcu_preempt19-21ksoftirqd/109:50:181
811080,0rcu_preempt19-21ksoftirqd/111:13:121
811080,0rcu_preempt19-21ksoftirqd/110:35:121
811070,0rcu_preempt19-21ksoftirqd/107:24:481
811060,0rcu_preempt19-21ksoftirqd/111:04:471
811060,0rcu_preempt19-21ksoftirqd/107:34:571
811040,0rcu_preempt19-21ksoftirqd/110:06:201
811010,0rcu_preempt19-21ksoftirqd/111:24:441
811010,0rcu_preempt19-21ksoftirqd/108:29:551
811000,0rcu_preempt19-21ksoftirqd/112:17:041
811000,0rcu_preempt19-21ksoftirqd/110:32:301
81990,0rcu_preempt19-21ksoftirqd/111:51:461
81990,0rcu_preempt19-21ksoftirqd/110:24:571
81980,0rcu_preempt54-21kswapd012:34:401
81970,0rcu_preempt19-21ksoftirqd/112:29:531
81970,0rcu_preempt19-21ksoftirqd/112:11:271
81960,0rcu_preempt19-21ksoftirqd/112:04:491
81960,0rcu_preempt19-21ksoftirqd/110:52:081
81950,0rcu_preempt8171-21kworker/1:009:47:011
81950,0rcu_preempt19-21ksoftirqd/111:56:231
81950,0rcu_preempt19-21ksoftirqd/111:03:531
81940,0rcu_preempt8171-21kworker/1:010:19:411
81940,0rcu_preempt19-21ksoftirqd/112:22:511
81940,0rcu_preempt19-21ksoftirqd/110:11:341
81940,0rcu_preempt0-21swapper/110:45:061
81930,0rcu_preempt19-21ksoftirqd/109:11:501
81920,0rcu_preempt54-21kswapd011:49:051
81920,0rcu_preempt54-21kswapd011:16:291
81920,0rcu_preempt19-21ksoftirqd/109:41:371
81910,0rcu_preempt19-21ksoftirqd/109:34:121
81890,0rcu_preempt19-21ksoftirqd/111:19:531
81890,0rcu_preempt19-21ksoftirqd/109:35:311
81870,0rcu_preempt8788-1kworker/0:2H09:59:280
81870,0rcu_preempt19-21ksoftirqd/111:39:351
81860,0rcu_preempt54-21kswapd009:58:191
81860,0rcu_preempt19-21ksoftirqd/109:24:431
81850,0rcu_preempt19-21ksoftirqd/108:21:271
81820,0rcu_preempt19-21ksoftirqd/110:41:121
81820,0rcu_preempt19-21ksoftirqd/109:19:431
81810,0rcu_preempt19-21ksoftirqd/108:09:521
81790,0rcu_preempt3-21ksoftirqd/010:39:410
81790,0rcu_preempt19-21ksoftirqd/111:34:401
81790,0rcu_preempt19-21ksoftirqd/108:16:431
81790,0rcu_preempt19-21ksoftirqd/108:16:431
81790,0rcu_preempt19-21ksoftirqd/107:58:011
81780,0rcu_preempt19-21ksoftirqd/111:59:561
81780,0rcu_preempt19-21ksoftirqd/107:29:591
81770,0rcu_preempt19-21ksoftirqd/108:03:401
81760,0rcu_preempt19-21ksoftirqd/111:29:311
81760,0rcu_preempt19-21ksoftirqd/108:39:541
81740,0rcu_preempt19-21ksoftirqd/107:39:281
81730,0rcu_preempt19-21ksoftirqd/108:05:301
81690,0rcu_preempt19-21ksoftirqd/112:28:141
81690,0rcu_preempt19-21ksoftirqd/108:49:521
81680,0rcu_preempt19-21ksoftirqd/107:19:431
10050670,0irq/346-484840014565-1kworker/0:1H10:39:040
81660,0rcu_preempt19-21ksoftirqd/108:59:391
1593399652,0cyclictest28014-21ssh11:54:350
81640,0rcu_preempt3-21ksoftirqd/007:04:440
81640,0rcu_preempt19-21ksoftirqd/107:09:391
10050640,0irq/346-484840027747-1kworker/0:2H11:24:440
81630,0rcu_preempt3-21ksoftirqd/010:26:520
1593399632,0cyclictest0-21swapper/009:19:260
1593399632,0cyclictest0-21swapper/008:54:510
81620,0rcu_preempt19-21ksoftirqd/107:09:251
1593399622,0cyclictest16113-21df12:14:410
1593399622,0cyclictest0-21swapper/011:37:330
81610,0rcu_preempt19-21ksoftirqd/107:49:501
1593399612,0cyclictest7890-1kworker/0:2H11:39:370
1593399612,0cyclictest19224-21ping07:39:380
81600,0rcu_preempt19-21ksoftirqd/107:14:501
1593399603,0cyclictest0-21swapper/009:54:150
1593399602,0cyclictest4265-21munin-node0
81590,0rcu_preempt19-21ksoftirqd/109:04:441
1593399593,0cyclictest0-21swapper/010:11:450
1593399593,0cyclictest0-21swapper/007:09:540
1593399592,0cyclictest22747-21ssh10:44:480
1593399592,0cyclictest20021-21ssh11:14:370
1593399592,0cyclictest0-21swapper/011:22:130
15933995913,0cyclictest1087-21aten_rapower_po09:19:390
1593399591,0cyclictest1470-21runrttasks11:51:320
1593399588,0cyclictest0-21swapper/012:31:440
1593399583,0cyclictest0-21swapper/009:32:130
1593399582,0cyclictest9851-21latency_hist08:29:270
1593399582,0cyclictest4583-21sendmail-msp10:59:380
1593399582,0cyclictest1470-21runrttasks07:17:180
1593399582,0cyclictest12840-1kworker/0:1H08:39:380
1593399582,0cyclictest0-21swapper/007:34:260
15933995813,0cyclictest0-21swapper/008:24:370
1593399581,0cyclictest1470-21runrttasks08:59:360
1593399581,0cyclictest10050irq/346-484840010:22:300
81570,0rcu_preempt19-21ksoftirqd/108:54:491
81570,0rcu_preempt19-21ksoftirqd/108:34:471
1593399573,0cyclictest659-21ssh11:59:390
1593399573,0cyclictest0-21swapper/009:36:240
1593399572,0cyclictest25609-21ssh09:11:190
1593399572,0cyclictest19224-21ping07:44:380
1593399572,0cyclictest10777-21runrttasks09:29:210
1593399572,0cyclictest0-21swapper/007:19:380
15933995715,0cyclictest15539-21ssh11:09:460
15933995711,0cyclictest19628-21ssh11:45:320
10050570,0irq/346-4848400851-21rngd09:39:360
81560,0rcu_preempt0-21swapper/108:46:281
1593399563,0cyclictest0-21swapper/012:34:560
1593399563,0cyclictest0-21swapper/010:52:000
1593399562,0cyclictest32537-21apt-get07:59:380
1593399562,0cyclictest32197-21ping08:19:390
15933995614,0cyclictest11773-21seq11:05:430
15933995614,0cyclictest0-21swapper/010:16:410
1593399561,0cyclictest26470-21ssh09:44:400
1593399557,0cyclictest0-21swapper/007:59:260
1593399555,0cyclictest1350-21lldpd08:12:190
1593399552,0cyclictest19224-21ping07:34:380
15933995514,0cyclictest0-21swapper/012:25:210
15933995514,0cyclictest0-21swapper/012:21:440
1593399543,0cyclictest0-21swapper/012:11:230
1593399543,0cyclictest0-21swapper/010:55:250
1593399543,0cyclictest0-21swapper/008:04:560
1593399542,0cyclictest0-21swapper/010:04:460
1593399541,0cyclictest8150-21ssh12:06:250
1593399532,0cyclictest0-21swapper/011:30:000
1593399531,0cyclictest21228-21munin-node0
1593399523,0cyclictest0-21swapper/008:49:390
1593399523,0cyclictest0-21swapper/008:14:460
1593399523,0cyclictest0-21swapper/008:14:460
1593399521,0cyclictest0-21swapper/008:36:300
1593399511,0cyclictest0-21swapper/008:44:390
1593399509,0cyclictest0-21swapper/010:34:040
1593399456,0cyclictest0-21swapper/009:04:430
81380,0rcu_preempt3-21ksoftirqd/007:52:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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