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2026-05-14 - 05:10

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 the 376 highest latencies:
System rack3slot5s.osadl.org (updated Thu May 14, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
259421550sleep1121450irq/29-eth0_g0_23:17:191
2419421430sleep0121550irq/30-eth0_g0_21:30:440
16622680sleep1121450irq/29-eth0_g0_23:08:311
121600ksoftirqd/1121450irq/29-eth0_g0_00:36:381
121590ksoftirqd/1121450irq/29-eth0_g0_22:17:311
121550ksoftirqd/195972sleep000:25:590
121530ksoftirqd/1121550irq/30-eth0_g0_00:31:431
121500ksoftirqd/1121550irq/30-eth0_g0_23:47:151
121500ksoftirqd/1121450irq/29-eth0_g0_22:27:390
263622490sleep0121450irq/29-eth0_g0_21:52:180
121480ksoftirqd/1121450irq/29-eth0_g0_22:09:401
121470ksoftirqd/1121550irq/30-eth0_g0_00:28:471
121470ksoftirqd/1121550irq/30-eth0_g0_00:19:471
121550460irq/30-eth0_g0_1221-21kworker/1:222:01:381
121550460irq/30-eth0_g0_1221-21kworker/1:222:01:381
121460ksoftirqd/1121450irq/29-eth0_g0_22:05:041
121450ksoftirqd/1121450irq/29-eth0_g0_21:45:411
121450ksoftirqd/1121450irq/29-eth0_g0_20:27:461
121550440irq/30-eth0_g0_247502sleep121:36:181
121450440irq/29-eth0_g0_31ksoftirqd/022:11:140
121550430irq/30-eth0_g0_121ksoftirqd/123:50:041
121450430irq/29-eth0_g0_31ksoftirqd/021:39:290
121430ksoftirqd/1121550irq/30-eth0_g0_23:31:480
231022420chrt121550irq/30-eth0_g0_21:19:511
121550420irq/30-eth0_g0_235692sleep121:24:231
121550420irq/30-eth0_g0_1221-21kworker/1:223:11:061
121550420irq/30-eth0_g0_1221-21kworker/1:222:57:591
121550420irq/30-eth0_g0_1221-21kworker/1:222:29:391
121550410irq/30-eth0_g0_1221-21kworker/1:223:23:351
121550410irq/30-eth0_g0_1221-21kworker/1:222:39:531
121450410irq/29-eth0_g0_9697-21latency_hist19:08:550
121450410irq/29-eth0_g0_9697-21latency_hist19:08:550
121450410irq/29-eth0_g0_31ksoftirqd/023:16:270
121450410irq/29-eth0_g0_13-21kworker/0:123:50:030
121450410irq/29-eth0_g0_13-21kworker/0:122:56:250
121450410irq/29-eth0_g0_13-21kworker/0:122:36:430
121450410irq/29-eth0_g0_13-21kworker/0:100:04:370
121550400irq/30-eth0_g0_1221-21kworker/1:222:46:331
121550400irq/30-eth0_g0_1221-21kworker/1:222:35:161
121450400irq/29-eth0_g0_31ksoftirqd/023:28:560
121450400irq/29-eth0_g0_13-21kworker/0:123:58:210
121450400irq/29-eth0_g0_13-21kworker/0:123:09:140
121450400irq/29-eth0_g0_13-21kworker/0:122:48:550
121450400irq/29-eth0_g0_13-21kworker/0:122:39:390
121450400irq/29-eth0_g0_13-21kworker/0:121:46:270
121450400irq/29-eth0_g0_13-21kworker/0:121:19:290
121450400irq/29-eth0_g0_13-21kworker/0:121:12:130
121450400irq/29-eth0_g0_13-21kworker/0:100:12:170
121450400irq/29-eth0_g0_13-21kworker/0:100:02:060
121400ksoftirqd/1121550irq/30-eth0_g0_23:42:021
121400ksoftirqd/1121450irq/29-eth0_g0_20:39:081
121400ksoftirqd/1121450irq/29-eth0_g0_19:35:201
121550390irq/30-eth0_g0_1221-21kworker/1:200:14:551
121450390irq/29-eth0_g0_24978-21/usr/sbin/munin21:38:560
121450390irq/29-eth0_g0_13-21kworker/0:123:39:310
121450390irq/29-eth0_g0_13-21kworker/0:123:07:310
121450390irq/29-eth0_g0_13-21kworker/0:122:59:150
121450390irq/29-eth0_g0_13-21kworker/0:122:52:220
121450390irq/29-eth0_g0_13-21kworker/0:122:31:450
121450390irq/29-eth0_g0_13-21kworker/0:121:59:340
121450390irq/29-eth0_g0_13-21kworker/0:121:59:340
121450390irq/29-eth0_g0_13-21kworker/0:121:14:020
121390ksoftirqd/1121450irq/29-eth0_g0_23:03:061
121390ksoftirqd/1121450irq/29-eth0_g0_21:39:221
121390ksoftirqd/1121450irq/29-eth0_g0_20:51:251
121390ksoftirqd/1121450irq/29-eth0_g0_20:45:181
121390ksoftirqd/1121450irq/29-eth0_g0_19:54:211
121550380irq/30-eth0_g0_1221-21kworker/1:222:53:411
121550380irq/30-eth0_g0_1221-21kworker/1:200:06:381
121550380irq/30-eth0_g0_0-21swapper/122:19:161
121550380irq/30-eth0_g0_0-21swapper/121:13:171
121450380irq/29-eth0_g0_31ksoftirqd/023:36:220
121450380irq/29-eth0_g0_31ksoftirqd/023:36:220
121450380irq/29-eth0_g0_26669-21chrt21:54:580
121450380irq/29-eth0_g0_13-21kworker/0:123:47:150
121450380irq/29-eth0_g0_13-21kworker/0:123:18:590
121450380irq/29-eth0_g0_121ksoftirqd/122:04:310
121450380irq/29-eth0_g0_121ksoftirqd/100:16:430
121450380irq/29-eth0_g0_0-21swapper/022:23:320
121380ksoftirqd/1121450irq/29-eth0_g0_23:28:281
121380ksoftirqd/1121450irq/29-eth0_g0_21:14:381
121380ksoftirqd/1121450irq/29-eth0_g0_20:37:141
121380ksoftirqd/1121450irq/29-eth0_g0_20:29:331
121380ksoftirqd/1121450irq/29-eth0_g0_20:23:281
121380ksoftirqd/1121450irq/29-eth0_g0_20:17:091
121380ksoftirqd/1121450irq/29-eth0_g0_20:05:091
121380ksoftirqd/1121450irq/29-eth0_g0_19:50:461
121380ksoftirqd/1121450irq/29-eth0_g0_19:48:331
121380ksoftirqd/1121450irq/29-eth0_g0_19:41:271
121380ksoftirqd/1121450irq/29-eth0_g0_19:24:191
121380ksoftirqd/1121450irq/29-eth0_g0_19:09:351
121380ksoftirqd/1121450irq/29-eth0_g0_19:09:351
970699371cyclictest21928-21diskmemload21:57:371
970699371cyclictest21928-21diskmemload00:09:531
121550370irq/30-eth0_g0_1221-21kworker/1:221:50:481
121550370irq/30-eth0_g0_1221-21kworker/1:221:33:171
121450370irq/29-eth0_g0_1911-21runrttasks20:47:040
121450370irq/29-eth0_g0_1911-21runrttasks20:24:230
121450370irq/29-eth0_g0_13-21kworker/0:122:14:250
121450370irq/29-eth0_g0_13-21kworker/0:121:25:150
121450370irq/29-eth0_g0_13-21kworker/0:100:36:190
121370ksoftirqd/1121450irq/29-eth0_g0_20:03:551
121550360irq/30-eth0_g0_1221-21kworker/1:223:56:531
121550360irq/30-eth0_g0_1221-21kworker/1:223:29:091
121550360irq/30-eth0_g0_1221-21kworker/1:222:26:461
121550360irq/30-eth0_g0_1221-21kworker/1:200:01:401
121550360irq/30-eth0_g0_121ksoftirqd/123:38:491
121550360irq/30-eth0_g0_121ksoftirqd/123:38:491
121450360irq/29-eth0_g0_19437-21latency_hist20:43:570
121450360irq/29-eth0_g0_1911-21runrttasks20:37:300
121450360irq/29-eth0_g0_1911-21runrttasks20:02:000
121450360irq/29-eth0_g0_13-21kworker/0:100:23:310
121450360irq/29-eth0_g0_0-21swapper/019:58:560
121450350irq/29-eth0_g0_1911-21runrttasks20:56:070
121450350irq/29-eth0_g0_1911-21runrttasks19:52:220
121450350irq/29-eth0_g0_13-21kworker/0:100:30:200
970699341cyclictest0-21swapper/121:06:371
970699341cyclictest0-21swapper/121:02:551
970699341cyclictest0-21swapper/119:17:111
121450340irq/29-eth0_g0_1911-21runrttasks19:48:310
121450340irq/29-eth0_g0_1911-21runrttasks19:10:330
121450340irq/29-eth0_g0_1911-21runrttasks19:10:330
121450340irq/29-eth0_g0_1911-21runrttasks19:06:221
121450340irq/29-eth0_g0_1911-21runrttasks19:06:221
121450340irq/29-eth0_g0_11881-21sshd19:29:390
121340ksoftirqd/1121550irq/30-eth0_g0_20:10:391
121340ksoftirqd/1121550irq/30-eth0_g0_19:33:281
121450330irq/29-eth0_g0_1911-21runrttasks20:29:190
121450330irq/29-eth0_g0_1905-21crond21:08:560
121450330irq/29-eth0_g0_10734-21ls19:18:560
121450330irq/29-eth0_g0_0-21swapper/019:25:410
970699321cyclictest0-21swapper/119:23:341
121550320irq/30-eth0_g0_1911-21runrttasks20:16:420
121450320irq/29-eth0_g0_1911-21runrttasks20:50:420
121450320irq/29-eth0_g0_1911-21runrttasks20:12:120
121450320irq/29-eth0_g0_17396-21date20:23:570
121450320irq/29-eth0_g0_12647-21sshd19:37:390
121320ksoftirqd/120833-21taskset20:58:061
121550310irq/30-eth0_g0_1911-21runrttasks20:07:340
121450310irq/29-eth0_g0_10946-21sshd19:20:390
121450300irq/29-eth0_g0_0-21swapper/021:00:370
121450290irq/29-eth0_g0_0-21swapper/019:40:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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