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2026-02-10 - 21:36
[ 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 792 highest latencies:
System rack3slot5s.osadl.org (updated Tue Feb 10, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1211090ksoftirqd/11549850irq/30-eth0_g0_10:26:141
1211060ksoftirqd/11549850irq/30-eth0_g0_12:34:331
1211060ksoftirqd/11549850irq/30-eth0_g0_12:34:331
1211010ksoftirqd/11549850irq/30-eth0_g0_09:43:461
121880ksoftirqd/11549850irq/30-eth0_g0_10:43:021
121770ksoftirqd/11549850irq/30-eth0_g0_10:49:080
32072720sleep11549850irq/30-eth0_g0_08:53:451
212272540sleep11549850irq/30-eth0_g0_10:04:501
121520ksoftirqd/11549850irq/30-eth0_g0_10:37:381
121490ksoftirqd/11549850irq/30-eth0_g0_09:24:071
121480ksoftirqd/11549850irq/30-eth0_g0_10:52:301
217942470sleep11549850irq/30-eth0_g0_10:08:581
1549850470irq/30-eth0_g0_121ksoftirqd/109:58:571
1549750470irq/29-eth0_g0_31ksoftirqd/011:04:060
121470ksoftirqd/11549750irq/29-eth0_g0_10:33:161
60702460chrt1549750irq/29-eth0_g0_11:16:151
121460ksoftirqd/11549850irq/30-eth0_g0_11:56:561
121460ksoftirqd/11549750irq/29-eth0_g0_09:37:550
255792450sleep01549850irq/30-eth0_g0_12:35:220
255792450sleep01549850irq/30-eth0_g0_12:35:220
199822450sleep01549750irq/29-eth0_g0_09:59:340
1549850450irq/30-eth0_g0_9369-21sendmail_mailqu11:29:060
1549850450irq/30-eth0_g0_121ksoftirqd/110:59:001
121450ksoftirqd/11549850irq/30-eth0_g0_12:24:421
121450ksoftirqd/11549850irq/30-eth0_g0_09:20:431
209982440sleep01549750irq/29-eth0_g0_07:53:460
1549850440irq/30-eth0_g0_15495-21kworker/1:012:31:201
121440ksoftirqd/11549850irq/30-eth0_g0_09:57:491
121440ksoftirqd/11549850irq/30-eth0_g0_07:59:060
121440ksoftirqd/11549750irq/29-eth0_g0_09:20:120
1549750430irq/29-eth0_g0_9480-21unixbench_singl07:04:060
121430ksoftirqd/11549850irq/30-eth0_g0_10:54:211
1549850420irq/30-eth0_g0_9896-21runrttasks07:08:181
1549850420irq/30-eth0_g0_15495-21kworker/1:012:07:221
1549850420irq/30-eth0_g0_15495-21kworker/1:012:07:221
1549850420irq/30-eth0_g0_15495-21kworker/1:011:34:521
1549850420irq/30-eth0_g0_15495-21kworker/1:010:14:181
1549750420irq/29-eth0_g0_31ksoftirqd/012:07:080
1549750420irq/29-eth0_g0_31ksoftirqd/012:07:080
1549750420irq/29-eth0_g0_31ksoftirqd/010:39:140
86222410sleep01549750irq/29-eth0_g0_11:27:250
1549850410irq/30-eth0_g0_15495-21kworker/1:011:19:171
1549750410irq/29-eth0_g0_7545-21latency_hist11:23:460
1549750410irq/29-eth0_g0_13-21kworker/0:112:13:020
1549750410irq/29-eth0_g0_13-21kworker/0:111:09:460
1549750410irq/29-eth0_g0_0-21swapper/009:38:570
1549750400irq/29-eth0_g0_31ksoftirqd/010:08:520
1549750400irq/29-eth0_g0_31ksoftirqd/010:06:140
1549750400irq/29-eth0_g0_31ksoftirqd/009:08:460
1549750400irq/29-eth0_g0_24172-21unixbench_multi12:29:080
1549750400irq/29-eth0_g0_13-21kworker/0:112:17:470
1549750400irq/29-eth0_g0_13-21kworker/0:110:59:210
1549750400irq/29-eth0_g0_121ksoftirqd/109:09:010
121400ksoftirqd/11549750irq/29-eth0_g0_12:14:051
121400ksoftirqd/11549750irq/29-eth0_g0_12:00:261
994699391cyclictest22906-21grep07:59:071
994699391cyclictest22232-21cat12:23:461
994699391cyclictest13641-21chrt09:34:071
1549850390irq/30-eth0_g0_121ksoftirqd/110:45:441
1549850390irq/30-eth0_g0_0-21swapper/111:28:101
1549750390irq/29-eth0_g0_994599cyclictest11:59:540
1549750390irq/29-eth0_g0_31ksoftirqd/012:28:100
1549750390irq/29-eth0_g0_29222sleep111:04:011
1549750390irq/29-eth0_g0_13-21kworker/0:112:18:590
1549750390irq/29-eth0_g0_13-21kworker/0:111:33:560
1549750390irq/29-eth0_g0_13-21kworker/0:111:13:480
1549750390irq/29-eth0_g0_13-21kworker/0:109:51:350
1549750390irq/29-eth0_g0_13-21kworker/0:109:51:350
1549750390irq/29-eth0_g0_13-21kworker/0:109:44:060
1549750390irq/29-eth0_g0_13-21kworker/0:109:31:120
1549750390irq/29-eth0_g0_13-21kworker/0:109:14:570
1549750390irq/29-eth0_g0_0-21swapper/007:14:060
994699389cyclictest1549850irq/30-eth0_g0_09:14:011
994699381cyclictest3936-21grep08:54:061
1549850380irq/30-eth0_g0_6877-21diskmemload12:12:171
1549850380irq/30-eth0_g0_15495-21kworker/1:011:39:131
1549850380irq/30-eth0_g0_15495-21kworker/1:011:31:471
1549850380irq/30-eth0_g0_15495-21kworker/1:011:09:001
1549750380irq/29-eth0_g0_31ksoftirqd/011:52:190
1549750380irq/29-eth0_g0_13-21kworker/0:110:56:210
1549750380irq/29-eth0_g0_13-21kworker/0:110:24:080
1549750380irq/29-eth0_g0_13-21kworker/0:110:13:480
1549750380irq/29-eth0_g0_13-21kworker/0:109:56:140
1549750380irq/29-eth0_g0_13-21kworker/0:109:28:450
1549750380irq/29-eth0_g0_121ksoftirqd/111:58:250
1549750380irq/29-eth0_g0_121ksoftirqd/110:29:260
1549750380irq/29-eth0_g0_0-21swapper/008:33:460
994699372cyclictest12944-21wc07:19:051
994699371cyclictest6877-21diskmemload09:09:101
994699371cyclictest214772sleep107:54:051
994699371cyclictest14263-21find11:49:051
1549850370irq/30-eth0_g0_15495-21kworker/1:009:52:121
1549850370irq/30-eth0_g0_15495-21kworker/1:009:52:121
1549850370irq/30-eth0_g0_0-21swapper/109:32:311
1549750370irq/29-eth0_g0_6877-21diskmemload10:47:220
1549750370irq/29-eth0_g0_3969-21unixbench_singl08:54:070
1549750370irq/29-eth0_g0_1988-21runrttasks11:47:020
1549750370irq/29-eth0_g0_1464-21unixbench_multi08:44:070
1549750370irq/29-eth0_g0_1464-21unixbench_multi08:44:070
1549750370irq/29-eth0_g0_13-21kworker/0:111:43:000
1549750370irq/29-eth0_g0_13-21kworker/0:110:35:210
1549750370irq/29-eth0_g0_13-21kworker/0:110:20:550
1549750370irq/29-eth0_g0_0-21swapper/008:09:040
994699365cyclictest0-21swapper/108:09:001
994699362cyclictest16170-21tail09:44:081
994699361cyclictest29040-21grep08:24:071
994699361cyclictest20212-21ntpq07:49:021
994699361cyclictest19289-21grep07:44:071
994699361cyclictest17685-21missed_timers07:39:021
994699361cyclictest14271-21swap07:24:061
994699361cyclictest10037-21/usr/sbin/munin07:09:051
1549850360irq/30-eth0_g0_15495-21kworker/1:011:43:571
1549750360irq/29-eth0_g0_28442-21df08:23:580
1549750360irq/29-eth0_g0_24183-21unixbench_singl08:04:080
1549750360irq/29-eth0_g0_24183-21unixbench_singl08:04:080
1549750360irq/29-eth0_g0_21716-21unixbench_singl07:54:080
1549750360irq/29-eth0_g0_1988-21runrttasks09:01:310
1549750360irq/29-eth0_g0_1988-21runrttasks08:53:140
1549750360irq/29-eth0_g0_1988-21runrttasks08:38:540
1549750360irq/29-eth0_g0_1988-21runrttasks08:38:540
1549750360irq/29-eth0_g0_1988-21runrttasks07:36:550
994699352cyclictest4815-21memory08:59:021
994699351cyclictest30239-21tail08:29:101
994699351cyclictest27415-21latency08:19:001
994699351cyclictest23885-21ntp_states08:04:031
994699351cyclictest23885-21ntp_states08:04:031
994699351cyclictest11549-21/usr/sbin/munin07:14:001
1549750350irq/29-eth0_g0_27546-21ntp_offset08:19:020
1549750350irq/29-eth0_g0_26313-21seq08:14:020
1549750350irq/29-eth0_g0_1988-21runrttasks07:42:170
1549750350irq/29-eth0_g0_15451-21find07:29:060
121350ksoftirqd/11549850irq/30-eth0_g0_08:34:051
121350ksoftirqd/11549750irq/29-eth0_g0_10:21:031
121350ksoftirqd/11549750irq/29-eth0_g0_08:44:001
121350ksoftirqd/11549750irq/29-eth0_g0_08:44:001
994699342cyclictest16736-21cat07:34:071
1549750340irq/29-eth0_g0_31039-21/usr/sbin/munin08:33:590
1549750340irq/29-eth0_g0_13439-21runrttasks07:21:480
1549750340irq/29-eth0_g0_10727-21grep07:09:070
994699331cyclictest6342sleep108:42:461
994699331cyclictest6342sleep108:42:461
994699331cyclictest5751-21egrep09:03:571
994699331cyclictest259902sleep108:13:561
1549750330irq/29-eth0_g0_19060-21/usr/sbin/munin07:44:040
1549750320irq/29-eth0_g0_0-21swapper/007:24:020
994699311cyclictest0-21swapper/107:33:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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