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2026-02-18 - 22:21
[ 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 Wed Feb 18, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1797421520sleep01549750irq/29-eth0_g0_11:17:150
1797421520sleep01549750irq/29-eth0_g0_11:17:150
5422820sleep11549850irq/30-eth0_g0_10:04:271
121800ksoftirqd/11549850irq/30-eth0_g0_11:43:511
294742790sleep01549850irq/30-eth0_g0_12:03:410
59782760sleep01549850irq/30-eth0_g0_10:28:380
121560ksoftirqd/11549850irq/30-eth0_g0_09:27:251
121550ksoftirqd/1240132chrt07:17:280
292662540sleep11549850irq/30-eth0_g0_12:03:381
57922510sleep01549750irq/29-eth0_g0_10:28:080
121500ksoftirqd/11549850irq/30-eth0_g0_11:35:171
1549850480irq/30-eth0_g0_121ksoftirqd/107:03:481
281822470sleep11549750irq/29-eth0_g0_09:45:321
1549850470irq/30-eth0_g0_0-21swapper/111:27:291
121470ksoftirqd/11549850irq/30-eth0_g0_07:53:481
121470ksoftirqd/11549750irq/29-eth0_g0_12:25:381
1549750460irq/29-eth0_g0_21178-21unixbench_singl07:03:490
121460ksoftirqd/11549750irq/29-eth0_g0_09:18:281
121450ksoftirqd/11549850irq/30-eth0_g0_09:28:490
121450ksoftirqd/11549750irq/29-eth0_g0_11:43:281
1549850440irq/30-eth0_g0_312662sleep112:10:031
1549850440irq/30-eth0_g0_312662sleep112:10:031
1549850440irq/30-eth0_g0_220432sleep109:20:241
1549850440irq/30-eth0_g0_15495-21kworker/1:011:58:461
1549750440irq/29-eth0_g0_13-21kworker/0:109:43:490
121440ksoftirqd/11549750irq/29-eth0_g0_07:10:481
1549850430irq/30-eth0_g0_15495-21kworker/1:012:31:131
1549850430irq/30-eth0_g0_15495-21kworker/1:010:33:051
1549850430irq/30-eth0_g0_15495-21kworker/1:009:31:151
121430ksoftirqd/11549850irq/30-eth0_g0_12:18:480
121430ksoftirqd/11549850irq/30-eth0_g0_11:35:350
94762420sleep01549850irq/30-eth0_g0_10:43:160
1549850420irq/30-eth0_g0_27273-21unixbench_multi07:28:491
1549850420irq/30-eth0_g0_15495-21kworker/1:011:56:291
1549750420irq/29-eth0_g0_121ksoftirqd/111:06:190
121420ksoftirqd/11549850irq/30-eth0_g0_08:03:380
49332410sleep11549750irq/29-eth0_g0_12:34:351
1549850410irq/30-eth0_g0_15495-21kworker/1:010:17:041
1549750410irq/29-eth0_g0_121ksoftirqd/111:32:400
121410ksoftirqd/11549850irq/30-eth0_g0_10:18:470
121410ksoftirqd/11549750irq/29-eth0_g0_10:19:511
121410ksoftirqd/11549750irq/29-eth0_g0_08:23:101
1549850400irq/30-eth0_g0_8514-21df_inode10:38:391
1549850400irq/30-eth0_g0_15495-21kworker/1:009:48:591
1549850400irq/30-eth0_g0_0-21swapper/107:18:501
1549750400irq/29-eth0_g0_31ksoftirqd/012:12:230
1549750400irq/29-eth0_g0_31ksoftirqd/012:12:230
1549750400irq/29-eth0_g0_13-21kworker/0:112:27:130
1549750400irq/29-eth0_g0_13-21kworker/0:109:15:440
121400ksoftirqd/11549850irq/30-eth0_g0_11:54:060
121400ksoftirqd/11549850irq/30-eth0_g0_09:57:550
121400ksoftirqd/11549750irq/29-eth0_g0_09:43:131
1549850390irq/30-eth0_g0_15495-21kworker/1:011:09:531
1549850390irq/30-eth0_g0_15495-21kworker/1:010:58:401
1549850390irq/30-eth0_g0_121ksoftirqd/111:13:210
1549750390irq/29-eth0_g0_31ksoftirqd/012:13:420
1549750390irq/29-eth0_g0_19933-21/usr/sbin/munin11:23:480
1549750390irq/29-eth0_g0_121ksoftirqd/111:51:520
1549750390irq/29-eth0_g0_121ksoftirqd/110:13:540
121390ksoftirqd/15237-21mailstats10:23:491
121390ksoftirqd/11549750irq/29-eth0_g0_12:14:501
121390ksoftirqd/11549750irq/29-eth0_g0_11:50:431
121390ksoftirqd/11549750irq/29-eth0_g0_11:08:231
121390ksoftirqd/11549750irq/29-eth0_g0_10:54:481
121390ksoftirqd/11549750irq/29-eth0_g0_09:54:321
1549850380irq/30-eth0_g0_15495-21kworker/1:009:36:351
1549750380irq/29-eth0_g0_1988-21runrttasks09:58:550
1549750380irq/29-eth0_g0_16669-21ntp_offset08:58:450
1549750380irq/29-eth0_g0_13-21kworker/0:110:59:570
1549750380irq/29-eth0_g0_121ksoftirqd/112:00:120
1549750380irq/29-eth0_g0_121ksoftirqd/110:54:420
121380ksoftirqd/11549850irq/30-eth0_g0_10:44:030
121380ksoftirqd/11549750irq/29-eth0_g0_08:28:491
121380ksoftirqd/11549750irq/29-eth0_g0_07:41:001
2164999372cyclictest25670-21latency07:23:411
2164999371cyclictest10802-21tail08:33:491
1549850370irq/30-eth0_g0_15495-21kworker/1:012:22:161
1549850370irq/30-eth0_g0_15495-21kworker/1:009:13:231
1549750370irq/29-eth0_g0_31ksoftirqd/011:19:330
1549750370irq/29-eth0_g0_13-21kworker/0:112:37:500
1549750370irq/29-eth0_g0_13-21kworker/0:110:36:420
121370ksoftirqd/11549750irq/29-eth0_g0_10:10:301
121370ksoftirqd/11549750irq/29-eth0_g0_08:01:181
2164999362cyclictest2130-21lldpd08:27:581
2164999361cyclictest188372sleep111:18:491
2164999361cyclictest17316-21awk11:13:441
2164999361cyclictest17316-21awk11:13:441
1549850360irq/30-eth0_g0_15495-21kworker/1:011:33:121
1549850360irq/30-eth0_g0_15495-21kworker/1:010:44:211
1549850360irq/30-eth0_g0_15495-21kworker/1:010:35:411
1549750360irq/29-eth0_g0_517-21if_eth007:53:410
1549750360irq/29-eth0_g0_31ksoftirqd/012:30:330
1549750360irq/29-eth0_g0_31ksoftirqd/010:03:440
1549750360irq/29-eth0_g0_31ksoftirqd/009:33:380
1549750360irq/29-eth0_g0_23413-21taskset09:27:040
1549750360irq/29-eth0_g0_2164899cyclictest08:38:370
1549750360irq/29-eth0_g0_2164899cyclictest07:38:460
1549750360irq/29-eth0_g0_1988-21runrttasks07:36:260
1549750360irq/29-eth0_g0_13-21kworker/0:110:11:310
1549750360irq/29-eth0_g0_13-21kworker/0:109:52:420
1549750360irq/29-eth0_g0_13-21kworker/0:109:09:470
1549750360irq/29-eth0_g0_0-21swapper/011:44:240
121360ksoftirqd/128622-21runrttasks07:34:071
121360ksoftirqd/11549850irq/30-eth0_g0_11:39:270
121360ksoftirqd/11549850irq/30-eth0_g0_09:39:400
121360ksoftirqd/11549750irq/29-eth0_g0_08:15:011
121360ksoftirqd/11549750irq/29-eth0_g0_08:10:061
121360ksoftirqd/11549750irq/29-eth0_g0_07:45:011
2164999351cyclictest15641-21cat08:53:461
1549850350irq/30-eth0_g0_15495-21kworker/1:010:48:481
1549850350irq/30-eth0_g0_15495-21kworker/1:010:02:461
1549750350irq/29-eth0_g0_4385-21netstat08:08:440
1549750350irq/29-eth0_g0_11507-21unixbench_singl10:48:490
1549750350irq/29-eth0_g0_10144-21/usr/sbin/munin08:33:390
121350ksoftirqd/11549750irq/29-eth0_g0_08:59:091
2164999342cyclictest2007-21/usr/sbin/munin08:48:481
1549750340irq/29-eth0_g0_9602-21sed08:28:490
1549750340irq/29-eth0_g0_7098-21unixbench_multi08:18:490
1549750340irq/29-eth0_g0_24591-21ntp_states07:18:450
1549750340irq/29-eth0_g0_14980-21latency_hist08:53:280
1549750340irq/29-eth0_g0_0-21swapper/007:47:230
2164999331cyclictest3430-21unixbench_multi08:03:481
2164999331cyclictest32157-21unixbench_multi07:48:481
2164999331cyclictest18117-21unixbench_multi09:03:491
2164999331cyclictest18117-21unixbench_multi09:03:491
1549750330irq/29-eth0_g0_8245-21awk08:23:480
1549750330irq/29-eth0_g0_32173-21grep07:48:490
1549750330irq/29-eth0_g0_21629-21ps09:18:460
1549750330irq/29-eth0_g0_1946-21/usr/sbin/munin07:58:450
1549750330irq/29-eth0_g0_17624-21df_abs09:03:400
1549750330irq/29-eth0_g0_17624-21df_abs09:03:400
1549750330irq/29-eth0_g0_13233-21unixbench_multi08:43:510
2164999321cyclictest13325-21vmstat08:43:521
1549750320irq/29-eth0_g0_5246-21/usr/sbin/munin08:13:450
1549750320irq/29-eth0_g0_25675-21latency07:23:410
1549750320irq/29-eth0_g0_1988-21runrttasks08:57:420
1549750320irq/29-eth0_g0_1988-21runrttasks07:13:120
1549750320irq/29-eth0_g0_0-21swapper/007:28:430
121310ksoftirqd/11549750irq/29-eth0_g0_08:38:491
2164999301cyclictest23619-21unixbench_multi07:13:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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