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2026-02-03 - 11:56
[ 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 #3, 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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  Eltec
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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 rack3slot5s.osadl.org (updated Tue Feb 03, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
121790ksoftirqd/11549850irq/30-eth0_g0_23:59:250
52492700sleep11549850irq/30-eth0_g0_23:44:171
121650ksoftirqd/11549750irq/29-eth0_g0_21:04:131
115182590sleep01549850irq/30-eth0_g0_21:57:040
121560ksoftirqd/11549850irq/30-eth0_g0_19:08:471
121550ksoftirqd/11549850irq/30-eth0_g0_19:42:291
121550ksoftirqd/11549850irq/30-eth0_g0_00:09:221
139552540chrt1549750irq/29-eth0_g0_22:07:030
121540ksoftirqd/11549850irq/30-eth0_g0_23:55:271
121540ksoftirqd/11549850irq/30-eth0_g0_20:58:380
121530ksoftirqd/11549850irq/30-eth0_g0_21:44:481
128002510chrt1549750irq/29-eth0_g0_22:02:480
121510ksoftirqd/11549850irq/30-eth0_g0_22:39:061
121500ksoftirqd/11549850irq/30-eth0_g0_23:32:141
121500ksoftirqd/11549750irq/29-eth0_g0_22:24:180
121500ksoftirqd/11549750irq/29-eth0_g0_22:24:180
121490ksoftirqd/11549850irq/30-eth0_g0_22:30:391
121490ksoftirqd/11549850irq/30-eth0_g0_00:38:171
1549750480irq/29-eth0_g0_31ksoftirqd/000:04:230
1549750480irq/29-eth0_g0_31ksoftirqd/000:04:230
121480ksoftirqd/11549850irq/30-eth0_g0_22:49:361
1549750470irq/29-eth0_g0_31ksoftirqd/000:34:200
121460ksoftirqd/11549850irq/30-eth0_g0_00:17:231
121460ksoftirqd/11549750irq/29-eth0_g0_23:17:461
121460ksoftirqd/11549750irq/29-eth0_g0_23:17:461
1549750450irq/29-eth0_g0_121ksoftirqd/121:34:151
121450ksoftirqd/11549850irq/30-eth0_g0_22:06:461
121450ksoftirqd/11549850irq/30-eth0_g0_19:34:220
121450ksoftirqd/11549850irq/30-eth0_g0_00:03:151
1549850440irq/30-eth0_g0_31ksoftirqd/022:14:190
152912440chrt1549750irq/29-eth0_g0_22:13:220
121440ksoftirqd/11549850irq/30-eth0_g0_22:01:441
1549850430irq/30-eth0_g0_15495-21kworker/1:023:19:181
1549850430irq/30-eth0_g0_121ksoftirqd/100:04:141
1549850430irq/30-eth0_g0_121ksoftirqd/100:04:141
1549750430irq/29-eth0_g0_31ksoftirqd/000:19:170
121430ksoftirqd/1252299cyclictest21:30:051
121430ksoftirqd/11549850irq/30-eth0_g0_23:34:170
121430ksoftirqd/11549850irq/30-eth0_g0_22:28:581
121430ksoftirqd/11549850irq/30-eth0_g0_22:28:581
121430ksoftirqd/11549850irq/30-eth0_g0_21:27:041
1549850420irq/30-eth0_g0_15495-21kworker/1:023:39:341
1549750420irq/29-eth0_g0_31ksoftirqd/023:44:170
1549750420irq/29-eth0_g0_31ksoftirqd/023:24:240
1549750420irq/29-eth0_g0_31ksoftirqd/023:17:590
1549750420irq/29-eth0_g0_31ksoftirqd/023:17:590
1549750420irq/29-eth0_g0_2428-21proc_pri21:19:210
1549750420irq/29-eth0_g0_13-21kworker/0:121:39:510
1549750420irq/29-eth0_g0_13-21kworker/0:121:19:010
252299411cyclictest3300-21unixbench_singl19:09:251
1549750410irq/29-eth0_g0_13-21kworker/0:122:44:300
1549750410irq/29-eth0_g0_13-21kworker/0:122:21:370
1549750410irq/29-eth0_g0_0-21swapper/023:13:530
1549750410irq/29-eth0_g0_0-21swapper/022:38:540
1549850400irq/30-eth0_g0_31ksoftirqd/000:24:260
1549850400irq/30-eth0_g0_15495-21kworker/1:023:53:061
1549850400irq/30-eth0_g0_15495-21kworker/1:023:11:571
1549850400irq/30-eth0_g0_15495-21kworker/1:021:42:281
1549850400irq/30-eth0_g0_121ksoftirqd/123:05:351
1549850400irq/30-eth0_g0_121ksoftirqd/122:48:291
1549750400irq/29-eth0_g0_4350-21latency_hist21:29:020
1549750400irq/29-eth0_g0_31873-21diskmemload23:04:200
1549750400irq/29-eth0_g0_31ksoftirqd/000:29:390
1549750400irq/29-eth0_g0_15207-21ntpdc19:59:190
1549750400irq/29-eth0_g0_13-21kworker/0:123:43:290
1549750400irq/29-eth0_g0_121ksoftirqd/121:09:190
1549750400irq/29-eth0_g0_121ksoftirqd/121:09:190
252299397cyclictest21489-21grep22:39:021
252299391cyclictest66812sleep119:24:211
252299391cyclictest5025-21grep19:19:021
252299391cyclictest5025-21grep19:19:021
1549850390irq/30-eth0_g0_15495-21kworker/1:023:03:321
1549850390irq/30-eth0_g0_15495-21kworker/1:021:09:151
1549850390irq/30-eth0_g0_15495-21kworker/1:021:09:151
1549850390irq/30-eth0_g0_15495-21kworker/1:000:25:161
1549850390irq/30-eth0_g0_14336-21seq00:19:461
1549850390irq/30-eth0_g0_121ksoftirqd/123:24:431
1549850390irq/30-eth0_g0_121ksoftirqd/121:20:001
1549850390irq/30-eth0_g0_11288-21vmstat21:54:261
1549750390irq/29-eth0_g0_31ksoftirqd/000:16:060
1549750390irq/29-eth0_g0_252199cyclictest21:53:580
1549750390irq/29-eth0_g0_13-21kworker/0:123:50:050
1549750390irq/29-eth0_g0_13-21kworker/0:122:58:420
1549750390irq/29-eth0_g0_13-21kworker/0:122:51:320
1549750390irq/29-eth0_g0_13-21kworker/0:122:42:290
1549750390irq/29-eth0_g0_13-21kworker/0:122:32:460
1549750390irq/29-eth0_g0_13-21kworker/0:121:34:110
1549750390irq/29-eth0_g0_13-21kworker/0:121:31:080
1549750390irq/29-eth0_g0_13-21kworker/0:100:12:470
252299382cyclictest7736-21irqstats19:29:181
252299381cyclictest25046-21/usr/sbin/munin20:39:221
252299381cyclictest17124-21proc_pri22:19:221
252299381cyclictest0-21swapper/120:19:221
168212380sleep11549750irq/29-eth0_g0_00:30:141
1549850380irq/30-eth0_g0_17661-21awk20:09:191
1549850380irq/30-eth0_g0_15495-21kworker/1:023:36:321
1549850380irq/30-eth0_g0_121ksoftirqd/121:49:521
1549850380irq/30-eth0_g0_0-21swapper/121:14:061
1549750380irq/29-eth0_g0_31494-21if_err_eth023:19:150
1549750380irq/29-eth0_g0_1988-21runrttasks19:21:340
1549750380irq/29-eth0_g0_13-21kworker/0:123:55:320
1549750380irq/29-eth0_g0_13-21kworker/0:123:29:560
1549750380irq/29-eth0_g0_13-21kworker/0:123:03:290
1549750380irq/29-eth0_g0_121ksoftirqd/122:55:101
1549750380irq/29-eth0_g0_0-21swapper/019:39:240
1549750380irq/29-eth0_g0_0-21swapper/019:04:150
252299371cyclictest15515-21unixbench_singl19:59:241
252299371cyclictest0-21swapper/119:54:151
252299371cyclictest0-21swapper/119:54:151
1549850370irq/30-eth0_g0_15495-21kworker/1:022:13:411
1549750370irq/29-eth0_g0_2686-21runrttasks19:09:150
1549750370irq/29-eth0_g0_23776-21ntpdc20:34:190
1549750370irq/29-eth0_g0_1988-21runrttasks21:04:140
1549750370irq/29-eth0_g0_1988-21runrttasks19:32:530
1549750370irq/29-eth0_g0_17907-21grep20:09:230
1549750370irq/29-eth0_g0_15495-21kworker/1:022:16:451
252299361cyclictest17226-21latency_hist20:09:021
252299361cyclictest11469-21missed_timers19:44:181
1549850360irq/30-eth0_g0_28698-21ntp_states20:54:201
1549750360irq/29-eth0_g0_8704-21timerandwakeup21:44:250
1549750360irq/29-eth0_g0_29584-21df20:59:150
1549750360irq/29-eth0_g0_25920-21sed20:44:150
1549750360irq/29-eth0_g0_20003-21sort20:19:190
1549750360irq/29-eth0_g0_19045-21sendmail_mailqu20:14:241
1549750360irq/29-eth0_g0_18900-21ntp_offset20:14:210
1549750360irq/29-eth0_g0_16692-21unixbench_multi20:04:240
252299351cyclictest5658-21cat19:19:231
252299351cyclictest30156-21unixbench_multi20:59:241
252299351cyclictest23701-21wc20:34:181
252299351cyclictest21627-21grep20:24:261
252299351cyclictest12549-21entropy19:49:141
252299351cyclictest12549-21entropy19:49:141
1549750350irq/29-eth0_g0_6678-21grep19:24:200
1549750350irq/29-eth0_g0_252199cyclictest19:49:230
1549750350irq/29-eth0_g0_252199cyclictest19:49:230
1549750350irq/29-eth0_g0_1988-21runrttasks20:40:500
1549750350irq/29-eth0_g0_1988-21runrttasks20:24:580
1549750350irq/29-eth0_g0_13991-21taskset19:54:200
1549750350irq/29-eth0_g0_13991-21taskset19:54:200
252299341cyclictest27397-21sort20:49:181
1549750340irq/29-eth0_g0_4529-21unixbench_singl19:14:240
1549750340irq/29-eth0_g0_4529-21unixbench_singl19:14:240
1549750340irq/29-eth0_g0_1988-21runrttasks20:53:270
1549750340irq/29-eth0_g0_1988-21runrttasks20:32:570
252299331cyclictest0-21swapper/120:29:191
252299331cyclictest0-21swapper/119:34:161
1549850320irq/30-eth0_g0_26489-21unixbench_multi20:44:251
1549750320irq/29-eth0_g0_11240-21df_abs19:44:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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