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2026-01-18 - 23:40
[ 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 Sun Jan 18, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811030,0rcu_preempt3-21ksoftirqd/010:40:010
811020,0rcu_preempt3-21ksoftirqd/011:51:540
811020,0rcu_preempt3-21ksoftirqd/011:51:540
81970,0rcu_preempt31533-21ssh11:40:031
81850,0rcu_preempt18865-21kworker/1:109:56:381
81840,0rcu_preempt19-21ksoftirqd/110:32:091
10050840,0irq/346-4848400111rcuc/009:38:410
81830,0rcu_preempt3-21ksoftirqd/008:30:150
81820,0rcu_preempt21743-1kworker/0:2H10:59:590
81820,0rcu_preempt19-21ksoftirqd/111:15:131
81820,0rcu_preempt15499-1kworker/0:1H09:20:000
81810,0rcu_preempt14045-1kworker/0:1H07:21:520
81770,0rcu_preempt5241-21ssh10:40:101
81770,0rcu_preempt3-21ksoftirqd/010:15:460
81770,0rcu_preempt19-21ksoftirqd/109:10:401
81770,0rcu_preempt0-21swapper/112:10:541
81770,0rcu_preempt0-21swapper/111:23:231
81760,0rcu_preempt0-21swapper/109:17:591
81740,0rcu_preempt3-21ksoftirqd/010:47:190
81740,0rcu_preempt23507-21ping08:02:041
81740,0rcu_preempt19-21ksoftirqd/111:01:421
81730,0rcu_preempt3-21ksoftirqd/012:37:520
81730,0rcu_preempt3-21ksoftirqd/011:17:260
81720,0rcu_preempt19-21ksoftirqd/111:46:071
81720,0rcu_preempt19-21ksoftirqd/110:10:101
81700,0rcu_preempt3-21ksoftirqd/012:34:080
939299671,0cyclictest12680-21ping07:40:030
81670,0rcu_preempt19-21ksoftirqd/111:05:351
81660,0rcu_preempt19-21ksoftirqd/112:25:091
81660,0rcu_preempt19-21ksoftirqd/111:34:071
81660,0rcu_preempt19-21ksoftirqd/109:40:231
81660,0rcu_preempt19-21ksoftirqd/109:33:321
81650,0rcu_preempt19-21ksoftirqd/110:21:021
81650,0rcu_preempt19-21ksoftirqd/107:39:471
81640,0rcu_preempt4213-21kworker/0:007:05:020
81630,0rcu_preempt19-21ksoftirqd/111:14:251
81630,0rcu_preempt19-21ksoftirqd/108:25:031
10050630,0irq/346-48484004099-1kworker/0:2H11:12:070
81620,0rcu_preempt19-21ksoftirqd/109:09:421
81620,0rcu_preempt19-21ksoftirqd/109:09:421
939299612,0cyclictest0-21swapper/007:35:100
81610,0rcu_preempt3-21ksoftirqd/010:05:240
81610,0rcu_preempt3-21ksoftirqd/009:57:120
81610,0rcu_preempt21189-1kworker/0:2H09:19:020
81610,0rcu_preempt19-21ksoftirqd/112:21:261
81610,0rcu_preempt19-21ksoftirqd/110:28:041
81610,0rcu_preempt19-21ksoftirqd/110:08:341
81610,0rcu_preempt19-21ksoftirqd/107:19:581
939299607,0cyclictest0-21swapper/010:19:530
81600,0rcu_preempt2648-21kworker/0:112:16:010
81600,0rcu_preempt19-21ksoftirqd/108:39:481
939299595,0cyclictest0-21swapper/010:27:100
81590,0rcu_preempt19-21ksoftirqd/112:33:161
81590,0rcu_preempt19-21ksoftirqd/111:27:021
81590,0rcu_preempt19-21ksoftirqd/111:27:021
939299582,0cyclictest15980-21latency_hist07:29:520
939299582,0cyclictest13689-21ssh09:10:020
9392995817,0cyclictest0-21swapper/012:10:020
939299581,0cyclictest12680-21ping07:30:190
939299581,0cyclictest12680-21ping07:30:190
81580,0rcu_preempt19-21ksoftirqd/110:34:531
939299577,0cyclictest3405-1kworker/0:0H12:22:360
939299572,0cyclictest21168-21interrupts09:50:110
939299572,0cyclictest20664-21ssh11:28:530
939299572,0cyclictest20664-21ssh11:28:530
939299572,0cyclictest1857-21ssh10:36:070
9392995718,0cyclictest0-21swapper/010:52:360
81570,0rcu_preempt19-21ksoftirqd/112:09:141
939299563,0cyclictest0-21swapper/009:30:040
939299562,0cyclictest30219-21missed_timers11:05:150
939299562,0cyclictest19514-21ssh09:48:480
939299561,0cyclictest6992-21runrttasks11:47:380
81560,0rcu_preempt3-21ksoftirqd/008:10:030
81560,0rcu_preempt19-21ksoftirqd/107:39:571
939299553,0cyclictest0-21swapper/011:40:440
939299552,0cyclictest12680-21ping07:19:510
939299551,0cyclictest23915-21apt07:59:580
81550,0rcu_preempt3-21ksoftirqd/008:25:020
81550,0rcu_preempt17209-21ssh11:58:071
939299542,0cyclictest0-21swapper/011:31:480
939299542,0cyclictest0-21swapper/010:30:400
939299542,0cyclictest0-21swapper/010:10:120
939299542,0cyclictest0-21swapper/010:00:140
939299542,0cyclictest0-21swapper/009:25:150
939299541,0cyclictest19998-21unixbench_singl12:00:210
939299541,0cyclictest19680-21apt-get10:55:020
81540,0rcu_preempt1049-21avahi-daemon11:20:100
939299536,0cyclictest30334-21munin-run08:19:520
939299532,0cyclictest23507-21ping08:19:530
939299532,0cyclictest0-21swapper/011:39:040
81530,0rcu_preempt3-21ksoftirqd/008:40:140
81530,0rcu_preempt19-21ksoftirqd/110:58:311
81530,0rcu_preempt19-21ksoftirqd/109:35:201
81520,0rcu_preempt19-21ksoftirqd/107:10:111
939299512,0cyclictest0-21swapper/011:59:100
939299512,0cyclictest0-21swapper/007:10:100
939299511,0cyclictest23932-21dropbear12:05:060
81510,0rcu_preempt3-21ksoftirqd/009:02:010
81510,0rcu_preempt26534-21ssh09:22:461
81510,0rcu_preempt19-21ksoftirqd/110:52:501
81510,0rcu_preempt14877-21ssh12:28:460
939299502,0cyclictest20991-21latency_hist07:44:550
81500,0rcu_preempt54-21kswapd011:53:551
81500,0rcu_preempt54-21kswapd011:53:551
81500,0rcu_preempt19-21ksoftirqd/108:20:121
939299494,0cyclictest0-21swapper/008:37:450
81490,0rcu_preempt23507-21ping08:05:041
81490,0rcu_preempt19-21ksoftirqd/110:02:301
81490,0rcu_preempt13372-21diskmemload11:37:481
81480,0rcu_preempt3-21ksoftirqd/008:55:130
81480,0rcu_preempt19-21ksoftirqd/112:39:341
81480,0rcu_preempt19-21ksoftirqd/108:15:041
81470,0rcu_preempt19-21ksoftirqd/112:00:331
81470,0rcu_preempt19-21ksoftirqd/107:31:041
81470,0rcu_preempt19-21ksoftirqd/107:31:041
81460,0rcu_preempt3-21ksoftirqd/009:04:530
81460,0rcu_preempt3-21ksoftirqd/009:04:530
81460,0rcu_preempt29306-21zcat09:25:181
81460,0rcu_preempt25039-1kworker/0:3H08:05:040
81460,0rcu_preempt19-21ksoftirqd/110:46:411
81460,0rcu_preempt19-21ksoftirqd/108:10:181
81460,0rcu_preempt19-21ksoftirqd/107:29:531
81460,0rcu_preempt10796-21ssh09:40:050
939399459,0cyclictest13552-21munin-node1
81450,0rcu_preempt19-21ksoftirqd/109:51:431
81450,0rcu_preempt19-21ksoftirqd/107:59:381
939399448,0cyclictest25918-1kworker/1:2H12:15:081
9393994413,0cyclictest1470-21runrttasks07:53:531
81440,0rcu_preempt19-21ksoftirqd/109:45:011
939399428,0cyclictest6891-21munin-node1
81420,0rcu_preempt19-21ksoftirqd/108:55:041
81420,0rcu_preempt19-21ksoftirqd/107:45:241
939399418,0cyclictest2827-21chrt08:34:361
939399412,0cyclictest4234-1kworker/1:2H08:40:161
81410,0rcu_preempt3-21ksoftirqd/008:49:010
81410,0rcu_preempt19-21ksoftirqd/107:15:071
939399408,0cyclictest10422-21df09:00:061
81390,0rcu_preempt3-21ksoftirqd/008:50:340
81390,0rcu_preempt3-21ksoftirqd/007:54:140
939399387,0cyclictest851-21rngd08:51:271
81370,0rcu_preempt19-21ksoftirqd/107:05:071
81360,0rcu_preempt3-21ksoftirqd/007:56:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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