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2026-01-25 - 02:39
[ 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 Sat Jan 24, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811210,0rcu_preempt19-21ksoftirqd/108:01:571
811120,0rcu_preempt3-21ksoftirqd/009:32:330
811020,0rcu_preempt3-21ksoftirqd/010:39:280
811020,0rcu_preempt3-21ksoftirqd/010:39:280
81970,0rcu_preempt3-21ksoftirqd/009:22:010
81970,0rcu_preempt19-21ksoftirqd/109:19:391
81960,0rcu_preempt23919-21ssh12:24:461
81960,0rcu_preempt19-21ksoftirqd/109:39:491
81960,0rcu_preempt19-21ksoftirqd/109:25:121
81960,0rcu_preempt19-21ksoftirqd/109:19:591
81930,0rcu_preempt19-21ksoftirqd/110:31:461
81930,0rcu_preempt19-21ksoftirqd/109:53:541
81910,0rcu_preempt19-21ksoftirqd/109:30:051
81890,0rcu_preempt19-21ksoftirqd/111:27:461
81870,0rcu_preempt54-21kswapd010:59:551
81860,0rcu_preempt19-21ksoftirqd/111:20:541
81850,0rcu_preempt19-21ksoftirqd/111:10:021
81850,0rcu_preempt19-21ksoftirqd/109:14:081
81840,0rcu_preempt3-21ksoftirqd/010:39:510
81830,0rcu_preempt19-21ksoftirqd/111:05:031
81820,0rcu_preempt29372-21ssh12:30:011
81820,0rcu_preempt2814-21ping08:17:181
81820,0rcu_preempt14025-21kworker/1:107:20:151
81810,0rcu_preempt19-21ksoftirqd/110:38:231
81810,0rcu_preempt19-21ksoftirqd/110:38:231
81800,0rcu_preempt28737-1kworker/0:1H07:39:500
81800,0rcu_preempt28737-1kworker/0:1H07:39:500
81770,0rcu_preempt19-21ksoftirqd/112:25:421
81770,0rcu_preempt19-21ksoftirqd/107:35:051
81760,0rcu_preempt54-21kswapd009:37:101
81750,0rcu_preempt851-21rngd07:28:561
81740,0rcu_preempt19-21ksoftirqd/111:56:331
81740,0rcu_preempt19-21ksoftirqd/111:56:331
81740,0rcu_preempt19-21ksoftirqd/109:57:501
81730,0rcu_preempt54-21kswapd010:55:051
81720,0rcu_preempt3-21ksoftirqd/009:36:280
81720,0rcu_preempt19-21ksoftirqd/110:47:051
81710,0rcu_preempt54-21kswapd012:39:101
81710,0rcu_preempt19-21ksoftirqd/111:49:191
81710,0rcu_preempt19-21ksoftirqd/111:19:251
81710,0rcu_preempt19-21ksoftirqd/108:31:581
81710,0rcu_preempt0-21swapper/110:20:571
81710,0rcu_preempt0-21swapper/110:20:571
81700,0rcu_preempt3-21ksoftirqd/011:46:570
81700,0rcu_preempt2814-21ping08:10:101
1913499702,0cyclictest1470-21runrttasks12:09:310
81680,0rcu_preempt0-21swapper/112:03:271
81670,0rcu_preempt4911-1kworker/1:3H11:33:391
81670,0rcu_preempt19-21ksoftirqd/110:14:261
81660,0rcu_preempt19-21ksoftirqd/110:16:541
81660,0rcu_preempt19-21ksoftirqd/110:09:221
81660,0rcu_preempt0-21swapper/111:52:061
81660,0rcu_preempt0-21swapper/110:02:131
81650,0rcu_preempt3-21ksoftirqd/011:10:090
81650,0rcu_preempt19-21ksoftirqd/108:25:011
81650,0rcu_preempt0-21swapper/109:48:341
1913499658,0cyclictest27108-21apt-get11:54:560
1913499658,0cyclictest27108-21apt-get11:54:560
1913499657,0cyclictest6280-21sendmail12:39:460
81640,0rcu_preempt19-21ksoftirqd/111:41:491
81640,0rcu_preempt19-21ksoftirqd/111:37:081
81640,0rcu_preempt19-21ksoftirqd/111:37:081
81640,0rcu_preempt19-21ksoftirqd/107:45:161
1913499648,0cyclictest2304-21awk07:55:090
1913499648,0cyclictest2304-21awk07:55:090
1913499642,0cyclictest0-21swapper/012:15:270
1913499641,0cyclictest28710-1kworker/0:1H09:15:500
81630,0rcu_preempt19-21ksoftirqd/110:43:481
81630,0rcu_preempt0-21swapper/110:28:231
1913499632,0cyclictest2814-21ping08:19:560
1913499631,0cyclictest21791-1kworker/0:1H11:20:090
1913499612,0cyclictest19816-21ssh10:08:470
1913499612,0cyclictest0-21swapper/007:39:480
81600,0rcu_preempt3-21ksoftirqd/011:41:450
81600,0rcu_preempt19-21ksoftirqd/107:10:121
1913499603,0cyclictest0-21swapper/010:22:020
1913499603,0cyclictest0-21swapper/010:22:020
1913499602,0cyclictest0-21swapper/011:26:100
81590,0rcu_preempt3-21ksoftirqd/008:50:030
81590,0rcu_preempt19-21ksoftirqd/108:59:571
1913499592,0cyclictest18388-21seq08:45:010
1913499588,0cyclictest0-21swapper/010:01:190
1913499583,0cyclictest0-21swapper/011:15:090
1913499583,0cyclictest0-21swapper/009:52:300
1913499581,0cyclictest28710-1kworker/0:1H09:13:170
81570,0rcu_preempt0-21swapper/112:19:151
1913499578,0cyclictest31789-21sendmail-msp11:59:570
1913499575,0cyclictest0-21swapper/011:36:160
1913499575,0cyclictest0-21swapper/011:36:160
1913499572,0cyclictest0-21swapper/011:07:550
1913499572,0cyclictest0-21swapper/008:19:460
1913499571,0cyclictest54-21kswapd009:27:030
1913499571,0cyclictest26020-21sh10:15:010
1913499565,0cyclictest3-21ksoftirqd/007:59:570
1913499565,0cyclictest0-21swapper/009:44:530
1913499564,0cyclictest8376-1kworker/0:1H09:59:310
1913499562,0cyclictest0-21swapper/008:59:590
1913499562,0cyclictest0-21swapper/008:24:580
1913499561,0cyclictest346-21if_eth007:50:050
81550,0rcu_preempt851-21rngd10:47:020
81550,0rcu_preempt24254-21ssh09:40:060
81550,0rcu_preempt19-21ksoftirqd/108:05:161
81550,0rcu_preempt19-21ksoftirqd/108:05:161
1913499558,0cyclictest5392-21ssh10:59:590
1913499557,0cyclictest19011-1kworker/0:1H11:50:000
1913499552,0cyclictest0-21swapper/012:22:010
1913499551,0cyclictest8382sleep012:34:090
81540,0rcu_preempt19-21ksoftirqd/108:50:051
81540,0rcu_preempt19-21ksoftirqd/108:20:121
1913499543,0cyclictest0-21swapper/008:35:000
1913499542,0cyclictest9305-21unixbench_singl10:30:150
1913499542,0cyclictest4910-1kworker/0:0H11:34:310
1913499542,0cyclictest4203-21ssh10:25:130
1913499542,0cyclictest21619-21ssh10:10:100
81530,0rcu_preempt19-21ksoftirqd/108:39:581
1913499532,0cyclictest31277-21interrupts07:45:150
1913499532,0cyclictest24383-21ssh12:25:000
19134995313,0cyclictest22322-21runrttasks07:18:550
1913499531,0cyclictest22465-21munin-node0
1913499531,0cyclictest22422-21ping07:19:540
1913499531,0cyclictest1334-21switchtime10:55:120
81520,0rcu_preempt19-21ksoftirqd/112:05:061
81520,0rcu_preempt19-21ksoftirqd/110:54:281
1913499522,0cyclictest0-21swapper/010:49:570
81510,0rcu_preempt14025-21kworker/1:107:34:381
1913499515,0cyclictest22422-21ping07:29:580
1913499512,0cyclictest9430-21apt-get12:09:570
1913499505,0cyclictest0-21swapper/008:10:120
1913499503,0cyclictest0-21swapper/008:30:120
1913499502,0cyclictest22422-21ping07:24:590
19134994911,0cyclictest24258-1kworker/0:4H09:05:090
1913499491,0cyclictest2814-21ping08:05:050
1913499491,0cyclictest2814-21ping08:05:050
81480,0rcu_preempt19-21ksoftirqd/107:55:051
81480,0rcu_preempt19-21ksoftirqd/107:55:051
81480,0rcu_preempt19-21ksoftirqd/107:50:021
1913499482,0cyclictest19122-21/usr/sbin/munin07:09:470
1913499482,0cyclictest0-21swapper/007:10:020
19134994810,0cyclictest16465-21latency_hist08:39:480
81470,0rcu_preempt25392-21ntp_states09:05:101
81470,0rcu_preempt21496-21meminfo07:15:071
81460,0rcu_preempt19-21ksoftirqd/112:10:151
81460,0rcu_preempt19-21ksoftirqd/107:42:161
81460,0rcu_preempt19-21ksoftirqd/107:42:161
81440,0rcu_preempt19-21ksoftirqd/108:44:561
81430,0rcu_preempt19-21ksoftirqd/108:55:051
81410,0rcu_preempt19-21ksoftirqd/107:09:471
81410,0rcu_preempt15022-21df_inode08:35:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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