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2026-01-13 - 19:25
[ 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 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 Tue Jan 13, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811190,0rcu_preempt19-21ksoftirqd/111:55:131
811100,0rcu_preempt3564-21ssh11:51:171
811070,0rcu_preempt19-21ksoftirqd/110:18:401
811060,0rcu_preempt19-21ksoftirqd/111:24:551
81980,0rcu_preempt19-21ksoftirqd/108:05:121
81960,0rcu_preempt19-21ksoftirqd/112:30:201
81940,0rcu_preempt19-21ksoftirqd/111:45:131
81910,0rcu_preempt19-21ksoftirqd/109:27:111
81900,0rcu_preempt54-21kswapd012:14:241
81890,0rcu_preempt851-21rngd10:39:101
81890,0rcu_preempt54-21kswapd011:33:371
81880,0rcu_preempt19-21ksoftirqd/108:35:161
81870,0rcu_preempt19-21ksoftirqd/112:23:551
81870,0rcu_preempt19-21ksoftirqd/110:21:581
81870,0rcu_preempt19-21ksoftirqd/109:40:321
81860,0rcu_preempt54-21kswapd010:40:051
81840,0rcu_preempt19-21ksoftirqd/109:45:121
81830,0rcu_preempt3-21ksoftirqd/009:59:570
81830,0rcu_preempt0-21swapper/111:37:051
81810,0rcu_preempt3-21ksoftirqd/009:59:580
81810,0rcu_preempt0-21swapper/109:39:381
81800,0rcu_preempt19-21ksoftirqd/110:45:421
81790,0rcu_preempt29450-21ntpq10:05:231
81790,0rcu_preempt19-21ksoftirqd/111:25:131
81780,0rcu_preempt19-21ksoftirqd/108:03:481
81750,0rcu_preempt19-21ksoftirqd/107:12:241
81740,0rcu_preempt19-21ksoftirqd/110:14:231
81740,0rcu_preempt19-21ksoftirqd/109:59:461
81740,0rcu_preempt19-21ksoftirqd/109:53:571
81740,0rcu_preempt19-21ksoftirqd/108:15:081
81730,0rcu_preempt19-21ksoftirqd/109:13:261
81730,0rcu_preempt0-21swapper/112:37:551
81720,0rcu_preempt19-21ksoftirqd/109:32:151
81720,0rcu_preempt0-21swapper/111:16:181
81710,0rcu_preempt19-21ksoftirqd/110:51:561
81710,0rcu_preempt19-21ksoftirqd/110:01:011
81690,0rcu_preempt19-21ksoftirqd/112:01:431
81690,0rcu_preempt19-21ksoftirqd/108:40:361
81680,0rcu_preempt3-21ksoftirqd/009:20:030
81680,0rcu_preempt19-21ksoftirqd/112:28:281
81680,0rcu_preempt19-21ksoftirqd/111:43:151
186199682,0cyclictest0-21swapper/009:30:080
81670,0rcu_preempt54-21kswapd010:33:481
81670,0rcu_preempt19-21ksoftirqd/111:01:301
81670,0rcu_preempt19-21ksoftirqd/107:40:231
81670,0rcu_preempt19-21ksoftirqd/107:32:241
10050670,0irq/346-484840054-21kswapd011:29:570
81660,0rcu_preempt19-21ksoftirqd/111:07:111
81660,0rcu_preempt14709-21kworker/1:109:24:021
186199643,0cyclictest0-21swapper/009:54:130
81630,0rcu_preempt19-21ksoftirqd/112:19:011
81630,0rcu_preempt19-21ksoftirqd/112:19:011
81630,0rcu_preempt19-21ksoftirqd/111:10:331
81630,0rcu_preempt19-21ksoftirqd/109:17:151
186199632,0cyclictest14086-21runrttasks10:23:020
1861996318,0cyclictest0-21swapper/009:10:080
81620,0rcu_preempt32240-21apt-get08:45:101
81620,0rcu_preempt19-21ksoftirqd/110:58:391
81620,0rcu_preempt19-21ksoftirqd/110:26:181
81620,0rcu_preempt19-21ksoftirqd/108:22:581
81620,0rcu_preempt19-21ksoftirqd/107:57:551
186199622,0cyclictest1470-21runrttasks12:03:390
81610,0rcu_preempt19-21ksoftirqd/112:09:411
81610,0rcu_preempt19-21ksoftirqd/108:31:021
81610,0rcu_preempt19-21ksoftirqd/107:45:121
186199613,0cyclictest0-21swapper/010:26:380
186199603,0cyclictest0-21swapper/010:53:470
81590,0rcu_preempt19-21ksoftirqd/108:27:051
186199592,0cyclictest4866-21ssh11:53:020
186199592,0cyclictest2874-21ssh10:45:080
1861995915,0cyclictest17715-21munin-node0
81580,0rcu_preempt19-21ksoftirqd/109:05:121
186199583,0cyclictest0-21swapper/010:56:020
186199582,0cyclictest0-21swapper/012:37:240
1861995815,0cyclictest0-21swapper/011:10:210
186199581,0cyclictest0-21swapper/010:08:460
81570,0rcu_preempt19-21ksoftirqd/108:13:331
186199572,0cyclictest0-21swapper/008:35:220
81560,0rcu_preempt4781-21apt-get09:00:071
81560,0rcu_preempt19-21ksoftirqd/108:55:161
186199563,0cyclictest0-21swapper/011:47:320
186199562,0cyclictest25595-21ssh11:40:290
186199562,0cyclictest0-21swapper/009:35:410
1861995612,0cyclictest0-21swapper/009:25:430
186199561,0cyclictest26305-1kworker/0:4H10:40:030
81550,0rcu_preempt19-21ksoftirqd/108:50:191
186199558,0cyclictest851-21rngd11:31:100
186199552,0cyclictest3006-21ssh10:11:180
186199552,0cyclictest0-21swapper/011:20:520
1861995517,0cyclictest0-21swapper/011:09:020
1861995515,0cyclictest13212-21runrttasks07:43:240
1861995513,0cyclictest4170-21ssh09:40:100
81540,0rcu_preempt19-21ksoftirqd/107:20:131
186199546,0cyclictest0-21swapper/010:35:560
186199544,0cyclictest0-21swapper/012:10:250
186199543,0cyclictest8111-21runrttasks07:26:300
186199543,0cyclictest8111-21runrttasks07:26:300
186199543,0cyclictest0-21swapper/012:28:350
186199542,0cyclictest0-21swapper/012:07:530
186199541,0cyclictest613-21ntpq11:15:210
186199541,0cyclictest0-21swapper/011:39:160
186199541,0cyclictest0-21swapper/010:18:390
186199538,0cyclictest5671-21runrttasks07:20:190
186199533,0cyclictest0-21swapper/009:15:000
186199532,0cyclictest5157-21ping07:35:100
186199532,0cyclictest0-21swapper/009:46:360
1861995311,0cyclictest13504-1kworker/0:3H12:19:280
1861995311,0cyclictest13504-1kworker/0:3H12:19:280
186199531,0cyclictest5157-21ping07:30:090
81520,0rcu_preempt3649-21apt-get07:15:061
81520,0rcu_preempt3378-21kworker/1:007:35:111
186199524,0cyclictest14004-21munin-node0
186199523,0cyclictest0-21swapper/010:34:150
186199522,0cyclictest1470-21runrttasks12:21:440
1861995212,0cyclictest0-21swapper/008:05:240
1861995210,0cyclictest0-21swapper/008:39:580
81510,0rcu_preempt19-21ksoftirqd/107:50:131
186199513,0cyclictest0-21swapper/008:00:080
1861995112,0cyclictest0-21swapper/012:30:590
186199511,0cyclictest0-21swapper/011:57:500
186199502,0cyclictest0-21swapper/008:28:290
186199482,0cyclictest5157-21ping07:19:580
186199481,0cyclictest17950-21ping07:59:030
186199481,0cyclictest1350-21lldpd08:33:320
81470,0rcu_preempt3-21ksoftirqd/009:00:060
186199473,0cyclictest0-21swapper/008:53:470
186199472,0cyclictest24005-21munin-node08:20:060
81460,0rcu_preempt19-21ksoftirqd/107:25:411
81460,0rcu_preempt19-21ksoftirqd/107:25:411
186199441,0cyclictest17950-21ping08:12:090
81430,0rcu_preempt19-21ksoftirqd/107:07:431
1861994210,0cyclictest0-21swapper/008:47:320
1861994112,0cyclictest0-21swapper/009:06:050
1599410,0migration/0765-21if_eth207:05:160
81400,0rcu_preempt3-21ksoftirqd/008:15:170
81370,0rcu_preempt2192-21kworker/0:007:50:050
81350,0rcu_preempt3-21ksoftirqd/007:10:090
81340,0rcu_preempt3-21ksoftirqd/008:55:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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