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2026-05-09 - 06:03

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 Sat May 09, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2777221540sleep0121550irq/30-eth0_g0_21:24:560
121980ksoftirqd/1121550irq/30-eth0_g0_23:56:260
121810ksoftirqd/1121550irq/30-eth0_g0_19:09:191
121630ksoftirqd/1121550irq/30-eth0_g0_00:11:420
299092620sleep1121550irq/30-eth0_g0_21:46:171
121590ksoftirqd/1121550irq/30-eth0_g0_19:28:561
270382530sleep1121550irq/30-eth0_g0_21:18:071
121530ksoftirqd/1121550irq/30-eth0_g0_22:10:131
121520ksoftirqd/1121550irq/30-eth0_g0_23:12:471
121500ksoftirqd/1121550irq/30-eth0_g0_00:34:011
40612490sleep0121550irq/30-eth0_g0_22:51:120
273862480sleep0121550irq/30-eth0_g0_21:21:170
121480ksoftirqd/1121550irq/30-eth0_g0_23:37:191
34652470sleep1121550irq/30-eth0_g0_22:45:071
121450470irq/29-eth0_g0_121ksoftirqd/123:17:580
121550450irq/30-eth0_g0_1221-21kworker/1:223:08:111
121550450irq/30-eth0_g0_0-21swapper/123:24:401
121450ksoftirqd/1121550irq/30-eth0_g0_20:19:080
121450440irq/29-eth0_g0_31ksoftirqd/021:15:300
121440ksoftirqd/1121450irq/29-eth0_g0_21:31:241
121440ksoftirqd/1121450irq/29-eth0_g0_00:35:391
121440ksoftirqd/1121450irq/29-eth0_g0_00:07:380
121550430irq/30-eth0_g0_290342sleep121:37:511
121550430irq/30-eth0_g0_1221-21kworker/1:223:52:411
121550430irq/30-eth0_g0_1221-21kworker/1:223:45:331
121550430irq/30-eth0_g0_121ksoftirqd/100:03:231
121550430irq/30-eth0_g0_121ksoftirqd/100:03:231
121450430irq/29-eth0_g0_0-21swapper/019:04:160
121430ksoftirqd/1121450irq/29-eth0_g0_20:10:591
121430ksoftirqd/1121450irq/29-eth0_g0_00:22:071
121550420irq/30-eth0_g0_1221-21kworker/1:222:27:341
121550420irq/30-eth0_g0_1221-21kworker/1:221:12:001
121450420irq/29-eth0_g0_31ksoftirqd/022:45:060
121450420irq/29-eth0_g0_121ksoftirqd/122:17:310
121550410irq/30-eth0_g0_1221-21kworker/1:222:31:531
121550410irq/30-eth0_g0_1221-21kworker/1:222:14:351
121450410irq/29-eth0_g0_13-21kworker/0:123:11:070
121450410irq/29-eth0_g0_121ksoftirqd/121:25:591
121410ksoftirqd/1121550irq/30-eth0_g0_22:40:350
121550400irq/30-eth0_g0_1221-21kworker/1:221:51:151
121550400irq/30-eth0_g0_121ksoftirqd/122:54:341
121450400irq/29-eth0_g0_31ksoftirqd/000:21:190
121450400irq/29-eth0_g0_18589-21latency_hist19:54:080
121450400irq/29-eth0_g0_13-21kworker/0:122:03:280
121450400irq/29-eth0_g0_13-21kworker/0:121:45:130
121450400irq/29-eth0_g0_13-21kworker/0:121:36:060
121450400irq/29-eth0_g0_13-21kworker/0:100:35:350
121450400irq/29-eth0_g0_13-21kworker/0:100:30:270
121450400irq/29-eth0_g0_13-21kworker/0:100:15:430
121400ksoftirqd/1121550irq/30-eth0_g0_23:27:320
121400ksoftirqd/1121450irq/29-eth0_g0_22:36:191
121400ksoftirqd/1121450irq/29-eth0_g0_19:52:361
121400ksoftirqd/1121450irq/29-eth0_g0_00:26:321
121550390irq/30-eth0_g0_121ksoftirqd/121:40:561
121450390irq/29-eth0_g0_1911-21runrttasks00:28:120
121450390irq/29-eth0_g0_1401799cyclictest23:40:340
121450390irq/29-eth0_g0_13-21kworker/0:123:46:190
121450390irq/29-eth0_g0_13-21kworker/0:123:00:210
121450390irq/29-eth0_g0_13-21kworker/0:121:30:540
121450390irq/29-eth0_g0_121ksoftirqd/123:21:390
121450390irq/29-eth0_g0_121ksoftirqd/123:21:390
121450390irq/29-eth0_g0_121ksoftirqd/121:54:571
121450390irq/29-eth0_g0_121ksoftirqd/100:15:461
121450390irq/29-eth0_g0_0-21swapper/022:12:390
121390ksoftirqd/1121550irq/30-eth0_g0_22:05:020
121390ksoftirqd/1121550irq/30-eth0_g0_21:10:490
121390ksoftirqd/1121450irq/29-eth0_g0_22:07:101
121390ksoftirqd/1121450irq/29-eth0_g0_20:57:371
121390ksoftirqd/1121450irq/29-eth0_g0_19:36:531
121550380irq/30-eth0_g0_31ksoftirqd/021:58:480
121550380irq/30-eth0_g0_1221-21kworker/1:223:20:471
121550380irq/30-eth0_g0_1221-21kworker/1:223:20:471
121550380irq/30-eth0_g0_0-21swapper/121:59:361
121550380irq/30-eth0_g0_0-21swapper/100:09:221
121450380irq/29-eth0_g0_1911-21runrttasks20:32:060
121450380irq/29-eth0_g0_1911-21runrttasks20:32:060
121450380irq/29-eth0_g0_13-21kworker/0:123:51:090
121450380irq/29-eth0_g0_13-21kworker/0:123:05:100
121450380irq/29-eth0_g0_13-21kworker/0:122:35:330
121450380irq/29-eth0_g0_13-21kworker/0:122:25:450
121450380irq/29-eth0_g0_13-21kworker/0:121:50:100
121450380irq/29-eth0_g0_13-21kworker/0:121:41:150
121450380irq/29-eth0_g0_121ksoftirqd/122:49:411
121550370irq/30-eth0_g0_0-21swapper/122:43:341
121450370irq/29-eth0_g0_85502sleep023:35:290
121450370irq/29-eth0_g0_13832-21runrttasks19:07:051
121450370irq/29-eth0_g0_13-21kworker/0:123:29:390
121450370irq/29-eth0_g0_13-21kworker/0:122:23:270
121450370irq/29-eth0_g0_0-21swapper/023:59:460
121450370irq/29-eth0_g0_0-21swapper/023:59:460
121370ksoftirqd/1121550irq/30-eth0_g0_22:57:100
121370ksoftirqd/1121450irq/29-eth0_g0_23:16:161
1401899361cyclictest276792sleep121:24:071
121550360irq/30-eth0_g0_1221-21kworker/1:223:57:271
121550360irq/30-eth0_g0_1221-21kworker/1:200:04:411
121450360irq/29-eth0_g0_22142-21ls20:29:080
121450360irq/29-eth0_g0_1911-21runrttasks20:59:240
121450360irq/29-eth0_g0_13-21kworker/0:122:29:530
121450360irq/29-eth0_g0_121ksoftirqd/122:20:151
1401899351cyclictest19604-21latency_hist20:04:081
121550350irq/30-eth0_g0_20106-21latency_hist20:09:081
121550350irq/30-eth0_g0_1221-21kworker/1:223:39:231
121550350irq/30-eth0_g0_1221-21kworker/1:222:59:091
121450350irq/29-eth0_g0_1911-21runrttasks20:54:440
121450350irq/29-eth0_g0_1911-21runrttasks20:34:250
121450350irq/29-eth0_g0_1911-21runrttasks20:21:180
121450350irq/29-eth0_g0_1911-21runrttasks19:42:480
121450350irq/29-eth0_g0_1911-21runrttasks19:37:560
121350ksoftirqd/1121450irq/29-eth0_g0_20:19:201
121550340irq/30-eth0_g0_1221-21kworker/1:223:29:501
121450340irq/29-eth0_g0_20584-21latency_hist20:14:080
121450340irq/29-eth0_g0_1911-21runrttasks21:07:380
121450340irq/29-eth0_g0_1911-21runrttasks20:47:250
1401899331cyclictest22605-21seq20:34:071
1401899331cyclictest22605-21seq20:34:071
121550330irq/30-eth0_g0_1911-21runrttasks19:45:380
121550330irq/30-eth0_g0_0-21swapper/121:06:181
121450330irq/29-eth0_g0_24663-21cat20:54:080
121450330irq/29-eth0_g0_1911-21runrttasks19:19:490
121330ksoftirqd/123746-21runrttasks20:45:001
121330ksoftirqd/117642-21sshd19:44:201
1401899321cyclictest0-21swapper/119:18:281
121450320irq/29-eth0_g0_25259-21runrttasks20:59:561
121450320irq/29-eth0_g0_1911-21runrttasks20:01:530
121450320irq/29-eth0_g0_1911-21runrttasks19:31:140
121450320irq/29-eth0_g0_1911-21runrttasks19:25:490
121450320irq/29-eth0_g0_1911-21runrttasks19:15:310
121450320irq/29-eth0_g0_1911-21runrttasks19:11:590
121450320irq/29-eth0_g0_19067-21latency_hist19:59:080
121450320irq/29-eth0_g0_0-21swapper/020:43:400
1401899311cyclictest0-21swapper/120:25:561
1401899311cyclictest0-21swapper/120:17:111
1401899311cyclictest0-21swapper/119:55:221
1401899311cyclictest0-21swapper/119:39:441
1401899311cyclictest0-21swapper/119:30:501
121550310irq/30-eth0_g0_0-21swapper/119:19:451
121450310irq/29-eth0_g0_22883-21runrttasks20:36:441
121450310irq/29-eth0_g0_0-21swapper/020:09:080
1401899301cyclictest23604-21sort20:44:071
121450300irq/29-eth0_g0_24224-21runrttasks20:49:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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