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2026-01-11 - 11:21

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
Click here to display the system's profile data or here to proceed to next system.
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 all highest latencies:
System rack3slot5s.osadl.org (updated Sun Jan 11, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3102321230sleep0121650irq/29-eth0_g0_22:50:010
169252970sleep0121750irq/30-eth0_g0_00:04:520
131252800sleep1121650irq/29-eth0_g0_23:48:281
124132560sleep0121750irq/30-eth0_g0_21:33:280
121530ksoftirqd/1121750irq/30-eth0_g0_23:19:301
149592500sleep1121750irq/30-eth0_g0_23:55:091
121650480irq/29-eth0_g0_10890-21cpu23:40:040
121650470irq/29-eth0_g0_6399-21munin-run21:09:530
121650460irq/29-eth0_g0_31ksoftirqd/000:34:330
121650460irq/29-eth0_g0_28061-21unixbench_singl22:35:210
121750450irq/30-eth0_g0_470-21kworker/1:121:48:171
121750440irq/30-eth0_g0_470-21kworker/1:121:23:331
210672430sleep0121750irq/30-eth0_g0_00:20:080
121650430irq/29-eth0_g0_31ksoftirqd/000:05:280
121650430irq/29-eth0_g0_13-21kworker/0:122:59:370
121650430irq/29-eth0_g0_13-21kworker/0:121:50:390
121650430irq/29-eth0_g0_13-21kworker/0:121:37:590
121650430irq/29-eth0_g0_13-21kworker/0:121:18:290
121750420irq/30-eth0_g0_470-21kworker/1:123:14:481
121750420irq/30-eth0_g0_31ksoftirqd/021:40:510
121650420irq/29-eth0_g0_13-21kworker/0:123:47:280
121650420irq/29-eth0_g0_13-21kworker/0:123:31:510
121650420irq/29-eth0_g0_13-21kworker/0:123:15:270
121650420irq/29-eth0_g0_13-21kworker/0:123:12:140
121650420irq/29-eth0_g0_13-21kworker/0:123:05:590
121650420irq/29-eth0_g0_13-21kworker/0:122:47:490
121650420irq/29-eth0_g0_13-21kworker/0:122:28:480
121650420irq/29-eth0_g0_13-21kworker/0:122:28:480
121650420irq/29-eth0_g0_13-21kworker/0:122:23:170
121650420irq/29-eth0_g0_13-21kworker/0:122:23:170
121650420irq/29-eth0_g0_13-21kworker/0:122:09:240
121650420irq/29-eth0_g0_121ksoftirqd/123:35:150
121420ksoftirqd/1121750irq/30-eth0_g0_19:05:090
121420ksoftirqd/1121650irq/29-eth0_g0_22:42:011
121750410irq/30-eth0_g0_8586-21ntp_kernel_err19:05:091
121750410irq/30-eth0_g0_470-21kworker/1:122:50:551
121750410irq/30-eth0_g0_470-21kworker/1:122:49:311
121750410irq/30-eth0_g0_470-21kworker/1:121:34:431
121750410irq/30-eth0_g0_21748-21runrttasks00:23:551
121650410irq/29-eth0_g0_13-21kworker/0:123:57:470
121650410irq/29-eth0_g0_13-21kworker/0:123:53:550
121650410irq/29-eth0_g0_13-21kworker/0:122:41:120
121650410irq/29-eth0_g0_13-21kworker/0:122:19:020
121650410irq/29-eth0_g0_13-21kworker/0:122:12:110
121650410irq/29-eth0_g0_13-21kworker/0:121:28:430
121650410irq/29-eth0_g0_13-21kworker/0:121:21:160
121650410irq/29-eth0_g0_13-21kworker/0:100:38:410
121650410irq/29-eth0_g0_13-21kworker/0:100:38:410
121650410irq/29-eth0_g0_121ksoftirqd/122:04:190
121410ksoftirqd/1121650irq/29-eth0_g0_22:21:131
121410ksoftirqd/1121650irq/29-eth0_g0_22:21:131
121410ksoftirqd/1121650irq/29-eth0_g0_21:14:241
121410ksoftirqd/1121650irq/29-eth0_g0_21:14:241
121750400irq/30-eth0_g0_470-21kworker/1:123:41:591
121750400irq/30-eth0_g0_470-21kworker/1:122:58:021
121650400irq/29-eth0_g0_31ksoftirqd/020:55:090
121650400irq/29-eth0_g0_1988-21runrttasks20:39:070
121650400irq/29-eth0_g0_1988-21runrttasks19:25:550
121650400irq/29-eth0_g0_13-21kworker/0:123:22:410
121650400irq/29-eth0_g0_13-21kworker/0:122:30:120
121650400irq/29-eth0_g0_13-21kworker/0:121:45:310
121650400irq/29-eth0_g0_13-21kworker/0:100:18:430
121650400irq/29-eth0_g0_13-21kworker/0:100:12:570
121400ksoftirqd/1121650irq/29-eth0_g0_20:42:251
121750390irq/30-eth0_g0_470-21kworker/1:122:37:491
121750390irq/30-eth0_g0_470-21kworker/1:122:17:521
121750390irq/30-eth0_g0_470-21kworker/1:122:09:011
121750390irq/30-eth0_g0_19688-21taskset22:02:281
121750390irq/30-eth0_g0_0-21swapper/121:50:421
121750390irq/30-eth0_g0_0-21swapper/100:36:061
121750390irq/30-eth0_g0_0-21swapper/100:36:061
121650390irq/29-eth0_g0_7127-21unixbench_multi21:10:140
121650390irq/29-eth0_g0_7127-21unixbench_multi21:10:140
121650390irq/29-eth0_g0_20731-21irqstats19:55:080
121650390irq/29-eth0_g0_20731-21irqstats19:55:080
121650390irq/29-eth0_g0_1988-21runrttasks19:53:160
121650390irq/29-eth0_g0_1988-21runrttasks19:47:410
121650390irq/29-eth0_g0_1988-21runrttasks19:34:150
121650390irq/29-eth0_g0_13-21kworker/0:123:27:350
121650390irq/29-eth0_g0_13-21kworker/0:123:03:400
121390ksoftirqd/1121650irq/29-eth0_g0_22:10:041
121390ksoftirqd/1121650irq/29-eth0_g0_21:09:121
121390ksoftirqd/1121650irq/29-eth0_g0_20:34:511
143932380sleep1470-21kworker/1:121:40:121
121750380irq/30-eth0_g0_6397-21diskmemload21:55:221
121750380irq/30-eth0_g0_0-21swapper/122:30:071
121650380irq/29-eth0_g0_26097-21unixbench_singl20:15:160
121650380irq/29-eth0_g0_13-21kworker/0:100:27:030
121650380irq/29-eth0_g0_0-21swapper/021:55:030
121750370irq/30-eth0_g0_470-21kworker/1:123:05:061
121750370irq/30-eth0_g0_31ksoftirqd/019:15:190
121750370irq/30-eth0_g0_23841-21unixbench_singl00:30:141
121650370irq/29-eth0_g0_1988-21runrttasks19:41:590
121370ksoftirqd/1121650irq/29-eth0_g0_19:27:401
121370ksoftirqd/1121650irq/29-eth0_g0_00:10:091
121750360irq/30-eth0_g0_470-21kworker/1:123:32:041
121750360irq/30-eth0_g0_470-21kworker/1:123:04:471
121750360irq/30-eth0_g0_470-21kworker/1:121:25:171
121750360irq/30-eth0_g0_470-21kworker/1:121:19:521
121750360irq/30-eth0_g0_470-21kworker/1:100:25:061
121750360irq/30-eth0_g0_25403-21/usr/sbin/munin20:15:111
121750360irq/30-eth0_g0_21856-21df_abs20:00:061
121750360irq/30-eth0_g0_21856-21df_abs20:00:061
121750360irq/30-eth0_g0_17209-21ntp_states19:40:111
121650360irq/29-eth0_g0_2151-21lldpd20:50:360
121650360irq/29-eth0_g0_1988-21runrttasks21:01:260
121650360irq/29-eth0_g0_1988-21runrttasks20:47:340
121650360irq/29-eth0_g0_1988-21runrttasks20:27:160
121650360irq/29-eth0_g0_1988-21runrttasks20:11:170
121650360irq/29-eth0_g0_1988-21runrttasks20:07:110
121650360irq/29-eth0_g0_1988-21runrttasks20:03:360
121650360irq/29-eth0_g0_1988-21runrttasks20:03:360
121360ksoftirqd/1121650irq/29-eth0_g0_00:05:471
121750350irq/30-eth0_g0_470-21kworker/1:123:35:131
121750350irq/30-eth0_g0_0-21swapper/123:50:511
121750350irq/30-eth0_g0_0-21swapper/121:36:411
121650350irq/29-eth0_g0_29781-21unixbench_singl20:30:140
121650350irq/29-eth0_g0_13-21kworker/0:119:35:020
121650350irq/29-eth0_g0_0-21swapper/019:10:150
121350ksoftirqd/1121650irq/29-eth0_g0_19:36:511
121750340irq/30-eth0_g0_7326-21df_abs23:25:031
121750340irq/30-eth0_g0_4742-21unixbench_singl21:00:161
121750340irq/30-eth0_g0_27919-21df20:25:051
121750340irq/30-eth0_g0_19733-21processes19:50:111
121750340irq/30-eth0_g0_19720-21taskset00:15:071
121750340irq/30-eth0_g0_14757-21ntp_states19:30:101
121650340irq/29-eth0_g0_64432sleep123:20:121
121650340irq/29-eth0_g0_27177-21chrt20:20:130
121650340irq/29-eth0_g0_1988-21runrttasks20:40:020
121650340irq/29-eth0_g0_12032-21sed19:20:031
121340ksoftirqd/12548-21taskset20:52:591
121340ksoftirqd/119118-21taskset19:49:151
121340ksoftirqd/1121650irq/29-eth0_g0_19:55:121
121340ksoftirqd/1121650irq/29-eth0_g0_19:55:121
121750330irq/30-eth0_g0_0-21swapper/120:45:161
121750330irq/30-eth0_g0_0-21swapper/100:04:261
121750320irq/30-eth0_g0_0-21swapper/122:26:291
121750320irq/30-eth0_g0_0-21swapper/122:26:291
121750320irq/30-eth0_g0_0-21swapper/120:10:111
121650320irq/29-eth0_g0_12553-21unixbench_multi19:20:130
935699311cyclictest1988-21runrttasks19:16:461
121650310irq/29-eth0_g0_30970-21unixbench_multi20:35:141
121310ksoftirqd/1121650irq/29-eth0_g0_20:58:551
121750300irq/30-eth0_g0_23407-21proc_pri20:05:121
121300ksoftirqd/1121650irq/29-eth0_g0_20:24:101
121750280irq/30-eth0_g0_0-21swapper/119:10:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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