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2026-02-22 - 15:24
[ 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 792 highest latencies:
System rack3slot5s.osadl.org (updated Sun Feb 22, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
101221240sleep01549750irq/29-eth0_g0_11:16:420
2323421080sleep11549850irq/30-eth0_g0_10:33:381
25802800chrt1549850irq/30-eth0_g0_09:08:400
133232740sleep01549850irq/30-eth0_g0_09:53:350
133232740sleep01549850irq/30-eth0_g0_09:53:350
284222640sleep11549750irq/29-eth0_g0_10:54:501
284222640sleep11549750irq/29-eth0_g0_10:54:501
77912560sleep01549750irq/29-eth0_g0_09:31:250
76292560sleep11549850irq/30-eth0_g0_09:29:311
169892560sleep11549850irq/30-eth0_g0_10:08:361
261862510sleep11549850irq/30-eth0_g0_08:33:351
211342500sleep11549750irq/29-eth0_g0_10:25:131
1549750490irq/29-eth0_g0_31ksoftirqd/011:03:300
4958994836cyclictest77742sleep111:43:351
69772460sleep11549850irq/30-eth0_g0_11:39:321
1549850460irq/30-eth0_g0_121ksoftirqd/107:33:331
1549750460irq/29-eth0_g0_31ksoftirqd/008:18:400
1549750460irq/29-eth0_g0_17131-21rt-features10:08:390
1549750460irq/29-eth0_g0_121ksoftirqd/111:53:301
1549850450irq/30-eth0_g0_121ksoftirqd/112:33:421
1549750450irq/29-eth0_g0_1988-21runrttasks07:05:530
35242440sleep01549850irq/30-eth0_g0_11:27:080
1549850440irq/30-eth0_g0_15495-21kworker/1:011:10:401
1549750440irq/29-eth0_g0_13-21kworker/0:112:34:550
1549850430irq/30-eth0_g0_15495-21kworker/1:012:20:391
1549850430irq/30-eth0_g0_124792sleep109:49:041
1549850430irq/30-eth0_g0_121ksoftirqd/111:26:061
1549850430irq/30-eth0_g0_0-21swapper/111:03:391
1549850430irq/30-eth0_g0_0-21swapper/110:58:391
1549750430irq/29-eth0_g0_23367-21unixbench_multi10:33:400
1549750430irq/29-eth0_g0_0-21swapper/008:58:420
41242420sleep11549750irq/29-eth0_g0_09:16:251
1549850420irq/30-eth0_g0_15495-21kworker/1:009:33:521
1549850420irq/30-eth0_g0_15495-21kworker/1:009:08:331
1549850420irq/30-eth0_g0_121ksoftirqd/110:44:361
1549850420irq/30-eth0_g0_121ksoftirqd/110:07:131
1549750420irq/29-eth0_g0_31ksoftirqd/012:05:420
1549750420irq/29-eth0_g0_31ksoftirqd/009:38:350
1549750420irq/29-eth0_g0_18888-21processes12:28:380
4958994135cyclictest19370-21missed_timers10:18:361
1549850410irq/30-eth0_g0_15495-21kworker/1:011:48:321
1549750410irq/29-eth0_g0_9177-21munin-run09:38:190
1549750410irq/29-eth0_g0_31ksoftirqd/010:43:400
1549750410irq/29-eth0_g0_1988-21runrttasks11:56:570
1549750410irq/29-eth0_g0_13-21kworker/0:111:18:340
1549750410irq/29-eth0_g0_121ksoftirqd/107:28:411
66342400sleep06636-21proc_pri11:38:380
4958994035cyclictest4446-21vmstat11:28:411
4958994034cyclictest4661-21chrt09:18:341
4958994033cyclictest1288-21timerandwakeup09:03:401
1549850400irq/30-eth0_g0_15495-21kworker/1:011:33:371
1549850400irq/30-eth0_g0_121ksoftirqd/112:11:061
1549750400irq/29-eth0_g0_1988-21runrttasks07:19:160
1549750400irq/29-eth0_g0_13-21kworker/0:112:10:370
1549750400irq/29-eth0_g0_13-21kworker/0:110:51:390
1549750400irq/29-eth0_g0_13-21kworker/0:110:06:090
1549750400irq/29-eth0_g0_13-21kworker/0:110:00:300
1549750400irq/29-eth0_g0_12185-21processes09:48:390
4958993933cyclictest5875-21latency09:23:331
4958993933cyclictest12258-21latency_hist12:03:191
1549850390irq/30-eth0_g0_17823-21grep12:23:401
1549850390irq/30-eth0_g0_15495-21kworker/1:011:13:461
1549850390irq/30-eth0_g0_12963-21unixbench_singl12:03:401
1549850390irq/30-eth0_g0_121ksoftirqd/110:15:581
1549750390irq/29-eth0_g0_3482-21/usr/sbin/munin09:13:360
1549750390irq/29-eth0_g0_1988-21runrttasks08:13:390
1549750390irq/29-eth0_g0_17396-21interrupts12:23:320
1549750390irq/29-eth0_g0_13-21kworker/0:112:01:310
1549750390irq/29-eth0_g0_13-21kworker/0:111:49:440
1549750390irq/29-eth0_g0_13-21kworker/0:111:45:150
1549750390irq/29-eth0_g0_13-21kworker/0:111:34:460
1549750390irq/29-eth0_g0_13-21kworker/0:111:12:330
1549750390irq/29-eth0_g0_13-21kworker/0:110:41:460
1549750390irq/29-eth0_g0_13-21kworker/0:110:27:270
1549750390irq/29-eth0_g0_13-21kworker/0:110:22:420
1549750390irq/29-eth0_g0_13-21kworker/0:109:44:460
1549750390irq/29-eth0_g0_13-21kworker/0:109:23:530
1549750390irq/29-eth0_g0_13-21kworker/0:109:21:440
1549750390irq/29-eth0_g0_121ksoftirqd/107:53:351
1549750390irq/29-eth0_g0_121ksoftirqd/107:13:191
4958993831cyclictest26711-21/usr/sbin/munin10:48:371
1549850380irq/30-eth0_g0_24377-21taskset08:26:551
1549850380irq/30-eth0_g0_15495-21kworker/1:012:15:571
1549850380irq/30-eth0_g0_15495-21kworker/1:010:39:281
1549850380irq/30-eth0_g0_121ksoftirqd/111:20:021
1549850380irq/30-eth0_g0_0-21swapper/108:58:181
1549750380irq/29-eth0_g0_6404-21df_abs07:13:310
1549750380irq/29-eth0_g0_22122-21unixbench_multi10:28:430
1549750380irq/29-eth0_g0_13-21kworker/0:112:13:210
1549750380irq/29-eth0_g0_13-21kworker/0:110:59:410
1549750380irq/29-eth0_g0_13-21kworker/0:110:55:010
1549750380irq/29-eth0_g0_13-21kworker/0:110:55:010
1549750380irq/29-eth0_g0_13-21kworker/0:110:15:020
1549750380irq/29-eth0_g0_121ksoftirqd/110:29:251
4958993731cyclictest17914-21unixbench_multi07:58:411
495899371cyclictest19131-21unixbench_multi08:03:411
1549850370irq/30-eth0_g0_1988-21runrttasks09:58:591
1549850370irq/30-eth0_g0_19594-21grep12:33:191
1549850370irq/30-eth0_g0_15495-21kworker/1:009:43:371
1549750370irq/29-eth0_g0_31463-21runrttasks08:54:020
1549750370irq/29-eth0_g0_27627-21timerandwakeup08:38:410
1549750370irq/29-eth0_g0_26515-21unixbench_singl08:33:410
1549750370irq/29-eth0_g0_24826-21irqstats08:28:330
1549750370irq/29-eth0_g0_1988-21runrttasks08:02:510
1549750370irq/29-eth0_g0_19707-21/usr/sbin/munin08:08:340
1549750370irq/29-eth0_g0_13-21kworker/0:112:18:410
1549750370irq/29-eth0_g0_13-21kworker/0:111:28:520
4958993630cyclictest9592-21sort09:38:341
1549850360irq/30-eth0_g0_27674-21unixbench_multi08:38:411
1549850360irq/30-eth0_g0_1988-21runrttasks08:52:571
1549750360irq/29-eth0_g0_8781-21df_abs07:23:320
1549750360irq/29-eth0_g0_1988-21runrttasks07:09:240
1549750360irq/29-eth0_g0_15114-21memory07:48:340
1549750360irq/29-eth0_g0_1344-21unixbench_multi09:03:400
1549750360irq/29-eth0_g0_11220-21/usr/sbin/munin07:33:310
1549750360irq/29-eth0_g0_10317-21awk07:28:370
1549750360irq/29-eth0_g0_0-21swapper/007:38:300
121360ksoftirqd/11549750irq/29-eth0_g0_07:51:321
4958993531cyclictest0-21swapper/107:38:351
495899352cyclictest8716-21/usr/sbin/munin07:23:361
495899352cyclictest24826-21irqstats08:28:331
1549850350irq/30-eth0_g0_628-21latency_hist09:03:191
1549850350irq/30-eth0_g0_15495-21kworker/1:009:55:071
1549850350irq/30-eth0_g0_15495-21kworker/1:009:55:071
1549750350irq/29-eth0_g0_29099-21runrttasks08:44:560
1549750350irq/29-eth0_g0_23602-21sh08:23:330
1549750350irq/29-eth0_g0_19076-21wc08:03:400
1549750350irq/29-eth0_g0_13866-21cat07:43:360
137872350sleep113788-21/usr/sbin/munin07:43:341
4958993428cyclictest8553-21runrttasks07:22:311
4958993428cyclictest23230-21runrttasks08:22:471
4958993428cyclictest1988-21runrttasks08:45:511
495899342cyclictest19862-21df_inode08:08:301
1549750340irq/29-eth0_g0_4213-21ntp_states07:03:351
1549750340irq/29-eth0_g0_29769-21load08:48:350
1549750340irq/29-eth0_g0_164462sleep007:53:370
1549850330irq/30-eth0_g0_21662-21vmstat08:13:411
1549850330irq/30-eth0_g0_0-21swapper/107:13:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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