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2026-09-29 - 02:23

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 Tue Sep 29, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278002820sleep0121750irq/30-eth0_g0_00:05:170
4082540sleep1121750irq/30-eth0_g0_22:15:111
4082540sleep1121750irq/30-eth0_g0_22:15:111
121500ksoftirqd/1121750irq/30-eth0_g0_20:34:541
121650490irq/29-eth0_g0_13-21kworker/0:100:10:090
121490ksoftirqd/1121750irq/30-eth0_g0_23:44:361
121480ksoftirqd/1121750irq/30-eth0_g0_21:31:151
121650470irq/29-eth0_g0_20485-21taskset23:35:430
121650470irq/29-eth0_g0_13-21kworker/0:123:10:130
121650470irq/29-eth0_g0_13-21kworker/0:123:10:130
121460ksoftirqd/1121750irq/30-eth0_g0_22:04:191
121750440irq/30-eth0_g0_11036-21grep20:45:130
121650440irq/29-eth0_g0_1964-21runrttasks00:04:160
121650440irq/29-eth0_g0_13-21kworker/0:122:48:210
121440ksoftirqd/1121650irq/29-eth0_g0_22:14:541
10872440sleep0121650irq/29-eth0_g0_22:18:540
10872440sleep0121650irq/29-eth0_g0_22:18:540
284272430sleep0121650irq/29-eth0_g0_21:56:340
127192430sleep0121650irq/29-eth0_g0_23:05:100
121650430irq/29-eth0_g0_31ksoftirqd/019:35:130
121650430irq/29-eth0_g0_31ksoftirqd/019:35:130
121650430irq/29-eth0_g0_121ksoftirqd/123:47:330
119632430sleep0121750irq/30-eth0_g0_23:01:340
121650420irq/29-eth0_g0_31ksoftirqd/021:45:090
121650420irq/29-eth0_g0_31ksoftirqd/021:10:150
121650420irq/29-eth0_g0_31ksoftirqd/020:29:530
121650420irq/29-eth0_g0_31ksoftirqd/019:20:160
121650420irq/29-eth0_g0_13-21kworker/0:123:32:260
121650420irq/29-eth0_g0_13-21kworker/0:122:25:470
121650420irq/29-eth0_g0_13-21kworker/0:100:30:080
121650420irq/29-eth0_g0_13-21kworker/0:100:16:430
121650420irq/29-eth0_g0_121ksoftirqd/121:29:280
121650420irq/29-eth0_g0_121ksoftirqd/121:29:280
121420ksoftirqd/1121650irq/29-eth0_g0_23:50:111
121420ksoftirqd/1121650irq/29-eth0_g0_23:35:121
121650410irq/29-eth0_g0_31ksoftirqd/000:20:040
121650410irq/29-eth0_g0_17681-21unixbench_singl19:00:150
121650410irq/29-eth0_g0_13-21kworker/0:122:41:550
121650410irq/29-eth0_g0_13-21kworker/0:122:04:260
121650410irq/29-eth0_g0_13-21kworker/0:121:54:340
121650410irq/29-eth0_g0_13-21kworker/0:121:44:500
121650410irq/29-eth0_g0_13-21kworker/0:121:39:400
121750400irq/30-eth0_g0_8175-21chrt22:45:191
121650400irq/29-eth0_g0_13-21kworker/0:123:25:500
121650400irq/29-eth0_g0_13-21kworker/0:122:50:290
121650400irq/29-eth0_g0_13-21kworker/0:121:32:490
121650400irq/29-eth0_g0_13-21kworker/0:121:07:550
121650390irq/29-eth0_g0_31ksoftirqd/023:55:500
121650390irq/29-eth0_g0_13-21kworker/0:123:52:550
121650390irq/29-eth0_g0_13-21kworker/0:123:41:370
121650390irq/29-eth0_g0_13-21kworker/0:123:18:330
121650390irq/29-eth0_g0_13-21kworker/0:122:56:050
121650390irq/29-eth0_g0_13-21kworker/0:122:32:360
121650390irq/29-eth0_g0_13-21kworker/0:122:23:050
121650390irq/29-eth0_g0_13-21kworker/0:122:12:190
121650390irq/29-eth0_g0_13-21kworker/0:121:21:020
121650390irq/29-eth0_g0_13-21kworker/0:121:14:550
121650390irq/29-eth0_g0_121ksoftirqd/122:05:560
121390ksoftirqd/1121650irq/29-eth0_g0_23:31:051
121390ksoftirqd/1121650irq/29-eth0_g0_20:20:111
121390ksoftirqd/1121650irq/29-eth0_g0_00:27:301
121750380irq/30-eth0_g0_17888-21sshd19:01:551
121750380irq/30-eth0_g0_17339-21seq21:11:111
121750380irq/30-eth0_g0_1219-21kworker/1:223:04:511
121650380irq/29-eth0_g0_7934-21/usr/sbin/munin20:35:130
121650380irq/29-eth0_g0_31ksoftirqd/019:10:140
121650380irq/29-eth0_g0_13-21kworker/0:122:37:550
121650380irq/29-eth0_g0_13-21kworker/0:100:25:410
121650380irq/29-eth0_g0_1233-21grep20:05:150
121380ksoftirqd/1121650irq/29-eth0_g0_22:39:541
121380ksoftirqd/1121650irq/29-eth0_g0_21:40:051
121750370irq/30-eth0_g0_15362-21cpu21:05:071
121750370irq/30-eth0_g0_1219-21kworker/1:222:50:311
121750370irq/30-eth0_g0_1219-21kworker/1:221:45:111
121750370irq/30-eth0_g0_0-21swapper/123:10:241
121750370irq/30-eth0_g0_0-21swapper/123:10:241
121650370irq/29-eth0_g0_271552sleep121:51:041
121650370irq/29-eth0_g0_1964-21runrttasks20:50:290
121650370irq/29-eth0_g0_18247-21/usr/sbin/munin19:05:170
121650370irq/29-eth0_g0_0-21swapper/020:57:470
121750360irq/30-eth0_g0_1219-21kworker/1:223:49:061
121750360irq/30-eth0_g0_1219-21kworker/1:222:40:011
121750360irq/30-eth0_g0_0-21swapper/123:06:571
121650360irq/29-eth0_g0_3484-21ps20:15:130
121650360irq/29-eth0_g0_31ksoftirqd/023:24:450
121650360irq/29-eth0_g0_28366-21memory19:45:090
121650360irq/29-eth0_g0_2109-21lldpd19:31:210
121650360irq/29-eth0_g0_1964-21runrttasks21:03:200
121650360irq/29-eth0_g0_1964-21runrttasks20:42:480
121650360irq/29-eth0_g0_1964-21runrttasks20:33:530
121650360irq/29-eth0_g0_1964-21runrttasks19:40:020
121650360irq/29-eth0_g0_1964-21runrttasks19:40:020
121650360irq/29-eth0_g0_1964-21runrttasks19:26:070
121360ksoftirqd/1121650irq/29-eth0_g0_21:19:541
121750350irq/30-eth0_g0_30825-21sed00:20:041
121750350irq/30-eth0_g0_24624-21cpu23:55:061
121750350irq/30-eth0_g0_1964-21runrttasks19:17:140
121750350irq/30-eth0_g0_12307-21unixbench_singl20:50:151
121750350irq/30-eth0_g0_1053-21memory00:30:101
121750350irq/30-eth0_g0_0-21swapper/122:05:221
121650350irq/29-eth0_g0_29836-21find19:50:140
121650350irq/29-eth0_g0_1964-21runrttasks20:14:280
121650350irq/29-eth0_g0_1964-21runrttasks20:00:160
121650350irq/29-eth0_g0_0-21swapper/019:55:060
121750340irq/30-eth0_g0_6673-21sort20:29:541
121750340irq/30-eth0_g0_3084-21df20:15:061
121750340irq/30-eth0_g0_27770-21unixbench_singl00:05:171
121750340irq/30-eth0_g0_24329-21latency_hist19:29:541
121750340irq/30-eth0_g0_19537-21df19:10:051
121750340irq/30-eth0_g0_18494-21latency19:05:081
121750340irq/30-eth0_g0_1219-21kworker/1:222:27:481
121750340irq/30-eth0_g0_1219-21kworker/1:221:55:091
121750340irq/30-eth0_g0_1219-21kworker/1:200:14:491
121750340irq/30-eth0_g0_0-21swapper/119:15:101
121750340irq/30-eth0_g0_0-21swapper/100:18:001
121340ksoftirqd/11219-21kworker/1:200:00:061
121340ksoftirqd/1121750irq/30-eth0_g0_21:35:071
138902330sleep11958-21crond20:58:531
121750330irq/30-eth0_g0_15207-21diskmemload21:26:431
121750330irq/30-eth0_g0_15207-21diskmemload21:26:431
121750330irq/30-eth0_g0_1247-21unixbench_singl20:05:151
121750330irq/30-eth0_g0_1219-21kworker/1:223:15:071
121750330irq/30-eth0_g0_1219-21kworker/1:222:33:311
121750330irq/30-eth0_g0_1219-21kworker/1:221:21:401
121750330irq/30-eth0_g0_0-21swapper/123:25:081
121750330irq/30-eth0_g0_0-21swapper/122:58:491
121750330irq/30-eth0_g0_0-21swapper/122:22:451
121650330irq/29-eth0_g0_4867-21/usr/sbin/munin20:20:150
121650330irq/29-eth0_g0_0-21swapper/119:55:141
121750320irq/30-eth0_g0_8616-21unixbench_singl20:35:161
121750320irq/30-eth0_g0_27379-21sendmail_mailqu19:40:131
121750320irq/30-eth0_g0_27379-21sendmail_mailqu19:40:131
121750320irq/30-eth0_g0_0-21swapper/120:45:091
121750320irq/30-eth0_g0_0-21swapper/119:35:141
121750320irq/30-eth0_g0_0-21swapper/119:35:141
121650320irq/29-eth0_g0_0-21swapper/123:20:081
121750310irq/30-eth0_g0_9703-21wc20:40:141
121750310irq/30-eth0_g0_15221-21latency_hist21:04:541
121750310irq/30-eth0_g0_0-21swapper/119:50:131
121650310irq/29-eth0_g0_22582-21tail19:20:151
121650310irq/29-eth0_g0_1837-21chrt20:10:051
121750300irq/30-eth0_g0_31946-21taskset20:00:071
121650300irq/29-eth0_g0_28759-21grep19:45:161
121650300irq/29-eth0_g0_25333-21runrttasks19:32:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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