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2026-02-08 - 15:05
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

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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 Sun Feb 08, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1490421570sleep11549750irq/29-eth0_g0_09:32:221
3224021350sleep11549750irq/29-eth0_g0_10:43:571
1541621210sleep11549750irq/29-eth0_g0_11:46:091
2455721120chrt1549750irq/29-eth0_g0_10:10:521
1830421010sleep11549750irq/29-eth0_g0_09:44:131
284382740sleep11549750irq/29-eth0_g0_10:28:201
165752650sleep01549750irq/29-eth0_g0_11:50:190
130882520chrt1549850irq/30-eth0_g0_11:37:330
121510ksoftirqd/11549850irq/30-eth0_g0_09:14:431
121490ksoftirqd/11549850irq/30-eth0_g0_12:06:121
121480ksoftirqd/11549850irq/30-eth0_g0_08:53:500
121470ksoftirqd/11549850irq/30-eth0_g0_09:41:431
121470ksoftirqd/11549850irq/30-eth0_g0_09:10:211
93782460sleep01549750irq/29-eth0_g0_11:22:070
181802460sleep11549850irq/30-eth0_g0_11:58:521
121460ksoftirqd/11549850irq/30-eth0_g0_11:40:261
121460ksoftirqd/11549850irq/30-eth0_g0_10:19:511
121460ksoftirqd/11549850irq/30-eth0_g0_09:57:271
121460ksoftirqd/11549750irq/29-eth0_g0_11:43:360
121460ksoftirqd/11549750irq/29-eth0_g0_11:38:011
121460ksoftirqd/11549750irq/29-eth0_g0_10:59:371
1549750450irq/29-eth0_g0_121ksoftirqd/111:27:580
1549850440irq/30-eth0_g0_15495-21kworker/1:011:51:271
1549850440irq/30-eth0_g0_121ksoftirqd/112:20:471
121440ksoftirqd/11549850irq/30-eth0_g0_12:17:051
21332430sleep01549850irq/30-eth0_g0_10:53:160
1549850430irq/30-eth0_g0_15495-21kworker/1:011:56:291
1549850430irq/30-eth0_g0_15495-21kworker/1:011:24:471
1549750430irq/29-eth0_g0_31ksoftirqd/010:02:060
1549750430irq/29-eth0_g0_25668-21df_abs12:29:020
121430ksoftirqd/11549850irq/30-eth0_g0_10:33:340
121430ksoftirqd/11549850irq/30-eth0_g0_10:07:381
121430ksoftirqd/11549850irq/30-eth0_g0_07:34:111
198412420sleep01549850irq/30-eth0_g0_09:52:540
1549850420irq/30-eth0_g0_15495-21kworker/1:011:05:341
1549850420irq/30-eth0_g0_15495-21kworker/1:011:05:341
1549850420irq/30-eth0_g0_15495-21kworker/1:010:15:101
1549750420irq/29-eth0_g0_31ksoftirqd/012:37:230
1549750420irq/29-eth0_g0_31ksoftirqd/012:37:230
1549750420irq/29-eth0_g0_121ksoftirqd/110:39:100
1549750420irq/29-eth0_g0_0-21swapper/011:48:430
121420ksoftirqd/11549750irq/29-eth0_g0_11:09:071
121420ksoftirqd/11549750irq/29-eth0_g0_10:34:251
121420ksoftirqd/11549750irq/29-eth0_g0_07:31:361
1549750410irq/29-eth0_g0_31ksoftirqd/010:10:050
1549750410irq/29-eth0_g0_31ksoftirqd/009:39:040
1549750410irq/29-eth0_g0_31ksoftirqd/009:35:190
1549750410irq/29-eth0_g0_1988-21runrttasks12:12:110
1549750410irq/29-eth0_g0_1988-21runrttasks07:05:110
1549750410irq/29-eth0_g0_14984-21proc_pri07:19:080
1549750410irq/29-eth0_g0_14984-21proc_pri07:19:080
1549750410irq/29-eth0_g0_13-21kworker/0:111:13:070
121410ksoftirqd/11549850irq/30-eth0_g0_10:05:240
121410ksoftirqd/11549850irq/30-eth0_g0_09:20:210
121410ksoftirqd/11549750irq/29-eth0_g0_08:36:051
1549850400irq/30-eth0_g0_15495-21kworker/1:010:03:391
1549750400irq/29-eth0_g0_13-21kworker/0:112:04:590
1549750400irq/29-eth0_g0_13-21kworker/0:111:59:140
1549750400irq/29-eth0_g0_13-21kworker/0:110:58:120
1549750400irq/29-eth0_g0_121ksoftirqd/110:57:221
121400ksoftirqd/11549850irq/30-eth0_g0_09:23:481
1549850390irq/30-eth0_g0_15495-21kworker/1:012:23:521
1549850390irq/30-eth0_g0_15495-21kworker/1:009:49:451
1549850390irq/30-eth0_g0_11540-21grep07:04:101
1549750390irq/29-eth0_g0_25296-21ntpdc10:14:080
1549750390irq/29-eth0_g0_23490-21ntpq07:54:070
1549750390irq/29-eth0_g0_1988-21runrttasks12:14:100
1549750390irq/29-eth0_g0_13480-21/usr/sbin/munin07:14:050
1549750390irq/29-eth0_g0_13-21kworker/0:112:25:170
1549750390irq/29-eth0_g0_13-21kworker/0:111:13:540
1549750390irq/29-eth0_g0_13-21kworker/0:109:33:350
121390ksoftirqd/11549850irq/30-eth0_g0_11:56:240
121390ksoftirqd/11549850irq/30-eth0_g0_10:59:420
121390ksoftirqd/11549850irq/30-eth0_g0_10:44:360
121390ksoftirqd/11549850irq/30-eth0_g0_09:57:330
121390ksoftirqd/11549850irq/30-eth0_g0_09:24:310
121390ksoftirqd/11549850irq/30-eth0_g0_08:58:530
121390ksoftirqd/11549850irq/30-eth0_g0_08:58:380
121390ksoftirqd/11549850irq/30-eth0_g0_08:31:520
121390ksoftirqd/11549850irq/30-eth0_g0_07:40:090
121390ksoftirqd/11549850irq/30-eth0_g0_07:33:490
121390ksoftirqd/11549750irq/29-eth0_g0_09:03:131
11990993933cyclictest1988-21runrttasks08:09:371
1199099392cyclictest12378-21memory07:09:071
1549850380irq/30-eth0_g0_27985-21/usr/sbin/munin08:14:021
1549850380irq/30-eth0_g0_15495-21kworker/1:011:18:531
1549850380irq/30-eth0_g0_121ksoftirqd/111:17:331
1549850380irq/30-eth0_g0_121ksoftirqd/110:50:531
1549850380irq/30-eth0_g0_0-21swapper/112:36:071
1549850380irq/30-eth0_g0_0-21swapper/112:36:071
1549750380irq/29-eth0_g0_1988-21runrttasks10:36:240
1549750380irq/29-eth0_g0_13-21kworker/0:111:07:090
1549750380irq/29-eth0_g0_13-21kworker/0:111:07:090
1549750380irq/29-eth0_g0_13-21kworker/0:110:25:470
1549750380irq/29-eth0_g0_13-21kworker/0:110:23:200
1549750380irq/29-eth0_g0_13-21kworker/0:109:45:570
1549750380irq/29-eth0_g0_13-21kworker/0:109:11:230
1549750380irq/29-eth0_g0_121ksoftirqd/109:18:210
121380ksoftirqd/15636-21missed_timers08:54:051
121380ksoftirqd/123481-21ntpdc07:54:071
121380ksoftirqd/11549850irq/30-eth0_g0_08:05:280
121380ksoftirqd/11549850irq/30-eth0_g0_08:05:280
1199099382cyclictest21101-21grep12:09:091
1199099382cyclictest1988-21runrttasks08:48:181
1549850370irq/30-eth0_g0_15495-21kworker/1:010:32:071
1549850370irq/30-eth0_g0_0-21swapper/110:41:081
1549750370irq/29-eth0_g0_31ksoftirqd/009:08:500
1549750370irq/29-eth0_g0_31ksoftirqd/007:44:070
1549750370irq/29-eth0_g0_28618-21unixbench_multi08:14:110
1549750370irq/29-eth0_g0_24721-21chrt07:59:080
1549750370irq/29-eth0_g0_1988-21runrttasks11:32:290
1549750370irq/29-eth0_g0_13-21kworker/0:112:18:590
121370ksoftirqd/11549750irq/29-eth0_g0_09:34:041
1199099374cyclictest220552sleep107:49:021
1199099371cyclictest29445-21irqstats08:19:031
1199099371cyclictest2360-21grep08:39:131
1199099371cyclictest19714-21memory07:39:041
1199099371cyclictest13812-21chrt09:28:501
1199099371cyclictest0-21swapper/107:19:001
1199099371cyclictest0-21swapper/107:19:001
1549850360irq/30-eth0_g0_15495-21kworker/1:012:31:471
1549850360irq/30-eth0_g0_15495-21kworker/1:011:31:501
1549750360irq/29-eth0_g0_18488-21memory07:34:050
121360ksoftirqd/11549850irq/30-eth0_g0_07:50:360
1199099362cyclictest26279-21vmstat08:04:141
1199099362cyclictest26279-21vmstat08:04:141
1199099362cyclictest21810-21latency_hist07:48:511
1199099361cyclictest7849-21df09:04:051
1199099361cyclictest161472sleep107:24:081
1199099361cyclictest13878-21swap07:14:121
1199099361cyclictest0-21swapper/108:29:111
1549750350irq/29-eth0_g0_27028-21cat08:09:040
1549750350irq/29-eth0_g0_15959-21if_eth007:24:040
1549750350irq/29-eth0_g0_1458-21runrttasks08:37:410
1199099352cyclictest4436-21wc08:49:061
1199099352cyclictest1988-21runrttasks08:02:341
1199099351cyclictest30558-21sed08:24:021
1549750340irq/29-eth0_g0_3359-21proc_pri08:44:090
1549750340irq/29-eth0_g0_29515-21missed_timers08:19:040
1549750340irq/29-eth0_g0_12378-21memory07:09:070
121340ksoftirqd/11549850irq/30-eth0_g0_08:24:450
1549750330irq/29-eth0_g0_0-21swapper/008:39:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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