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2026-05-17 - 00:46

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 16, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
854121250sleep0121450irq/29-eth0_g0_10:00:400
240732540sleep0121550irq/30-eth0_g0_12:34:010
54282520sleep1121450irq/29-eth0_g0_09:29:461
121510ksoftirqd/1121550irq/30-eth0_g0_12:35:521
121490ksoftirqd/1121550irq/30-eth0_g0_09:57:531
121470ksoftirqd/1121550irq/30-eth0_g0_10:12:081
55492460sleep0121450irq/29-eth0_g0_09:31:120
121460ksoftirqd/1121550irq/30-eth0_g0_11:41:081
121460ksoftirqd/1121550irq/30-eth0_g0_09:53:340
121460ksoftirqd/1121450irq/29-eth0_g0_11:27:390
121460ksoftirqd/1121450irq/29-eth0_g0_10:01:581
121450ksoftirqd/1121550irq/30-eth0_g0_11:13:451
121450ksoftirqd/1121450irq/29-eth0_g0_12:31:271
121450ksoftirqd/1121450irq/29-eth0_g0_12:31:271
121440ksoftirqd/1121550irq/30-eth0_g0_12:11:001
121440ksoftirqd/1121450irq/29-eth0_g0_08:33:071
121550430irq/30-eth0_g0_1221-21kworker/1:212:14:391
121550430irq/30-eth0_g0_1221-21kworker/1:211:20:031
121550430irq/30-eth0_g0_121ksoftirqd/109:11:561
121430ksoftirqd/1121450irq/29-eth0_g0_11:55:011
121550420irq/30-eth0_g0_1221-21kworker/1:211:15:131
121550410irq/30-eth0_g0_1221-21kworker/1:212:21:471
121450410irq/29-eth0_g0_31ksoftirqd/011:29:460
121450410irq/29-eth0_g0_31ksoftirqd/011:29:460
121450410irq/29-eth0_g0_31ksoftirqd/010:59:490
121450410irq/29-eth0_g0_13-21kworker/0:111:57:240
121450410irq/29-eth0_g0_13-21kworker/0:111:19:360
121450410irq/29-eth0_g0_13-21kworker/0:111:04:410
121450410irq/29-eth0_g0_13-21kworker/0:110:24:540
121410ksoftirqd/1121450irq/29-eth0_g0_09:44:281
121410ksoftirqd/1121450irq/29-eth0_g0_08:20:361
2359199401cyclictest2279-21ls08:58:511
121550400irq/30-eth0_g0_1221-21kworker/1:212:01:471
121550400irq/30-eth0_g0_1221-21kworker/1:210:43:291
121550400irq/30-eth0_g0_121ksoftirqd/110:38:381
121550400irq/30-eth0_g0_121ksoftirqd/110:07:251
121550400irq/30-eth0_g0_10770-21taskset10:23:071
121550400irq/30-eth0_g0_0-21swapper/111:24:551
121450400irq/29-eth0_g0_1911-21runrttasks09:36:380
121450400irq/29-eth0_g0_13-21kworker/0:112:05:080
121450400irq/29-eth0_g0_13-21kworker/0:111:38:530
121450400irq/29-eth0_g0_13-21kworker/0:111:36:050
121450400irq/29-eth0_g0_13-21kworker/0:111:14:180
121450400irq/29-eth0_g0_13-21kworker/0:110:53:270
121400ksoftirqd/1121550irq/30-eth0_g0_12:27:271
121400ksoftirqd/1121450irq/29-eth0_g0_11:46:200
121550390irq/30-eth0_g0_1221-21kworker/1:209:40:441
121550390irq/30-eth0_g0_121ksoftirqd/112:05:481
121550390irq/30-eth0_g0_121ksoftirqd/110:52:501
121550390irq/30-eth0_g0_121ksoftirqd/110:18:191
121450390irq/29-eth0_g0_31ksoftirqd/010:12:440
121450390irq/29-eth0_g0_13-21kworker/0:112:15:440
121450390irq/29-eth0_g0_13-21kworker/0:111:59:350
121450390irq/29-eth0_g0_13-21kworker/0:111:49:550
121450390irq/29-eth0_g0_13-21kworker/0:110:55:590
121450390irq/29-eth0_g0_13-21kworker/0:109:54:520
121450390irq/29-eth0_g0_13-21kworker/0:109:47:570
121390ksoftirqd/1121550irq/30-eth0_g0_10:40:120
121390ksoftirqd/1121550irq/30-eth0_g0_10:31:120
121390ksoftirqd/1121550irq/30-eth0_g0_10:20:140
121390ksoftirqd/1121550irq/30-eth0_g0_08:59:480
121390ksoftirqd/1121550irq/30-eth0_g0_08:19:400
121390ksoftirqd/1121550irq/30-eth0_g0_08:14:310
121390ksoftirqd/1121550irq/30-eth0_g0_07:29:340
121390ksoftirqd/1121550irq/30-eth0_g0_07:18:050
121390ksoftirqd/1121550irq/30-eth0_g0_07:09:270
121390ksoftirqd/1121450irq/29-eth0_g0_12:26:320
121390ksoftirqd/1121450irq/29-eth0_g0_11:45:431
121390ksoftirqd/1121450irq/29-eth0_g0_08:36:091
121390ksoftirqd/1121450irq/29-eth0_g0_08:24:591
121390ksoftirqd/1121450irq/29-eth0_g0_07:12:511
121550380irq/30-eth0_g0_1221-21kworker/1:211:01:081
121550380irq/30-eth0_g0_1221-21kworker/1:209:21:061
121550380irq/30-eth0_g0_1221-21kworker/1:209:21:061
121550380irq/30-eth0_g0_121ksoftirqd/109:50:591
121550380irq/30-eth0_g0_121ksoftirqd/109:17:541
121450380irq/29-eth0_g0_31ksoftirqd/009:39:340
121450380irq/29-eth0_g0_2359099cyclictest09:24:100
121450380irq/29-eth0_g0_1911-21runrttasks10:45:080
121450380irq/29-eth0_g0_1911-21runrttasks08:57:480
121450380irq/29-eth0_g0_1911-21runrttasks07:08:430
121450380irq/29-eth0_g0_13-21kworker/0:112:20:480
121450380irq/29-eth0_g0_13-21kworker/0:109:18:450
121450380irq/29-eth0_g0_13-21kworker/0:109:12:440
121450380irq/29-eth0_g0_121ksoftirqd/110:58:441
121450380irq/29-eth0_g0_0-21swapper/010:18:360
121380ksoftirqd/1121550irq/30-eth0_g0_11:12:120
121380ksoftirqd/1121550irq/30-eth0_g0_08:04:010
121380ksoftirqd/1121550irq/30-eth0_g0_08:04:010
121380ksoftirqd/1121550irq/30-eth0_g0_08:02:060
121380ksoftirqd/1121450irq/29-eth0_g0_11:50:031
121380ksoftirqd/1121450irq/29-eth0_g0_09:07:361
121380ksoftirqd/1121450irq/29-eth0_g0_08:40:131
121380ksoftirqd/1121450irq/29-eth0_g0_08:07:091
121380ksoftirqd/1121450irq/29-eth0_g0_08:07:091
121380ksoftirqd/1121450irq/29-eth0_g0_07:18:001
2359199372cyclictest28613-21munin-run07:58:511
121550370irq/30-eth0_g0_1221-21kworker/1:211:30:541
121550370irq/30-eth0_g0_1221-21kworker/1:211:30:541
121550370irq/30-eth0_g0_1221-21kworker/1:209:38:431
121550370irq/30-eth0_g0_121ksoftirqd/111:05:391
121550370irq/30-eth0_g0_0-21swapper/111:35:281
121550370irq/30-eth0_g0_0-21swapper/109:27:061
121450370irq/29-eth0_g0_1911-21runrttasks07:44:590
121450370irq/29-eth0_g0_1911-21runrttasks07:21:130
121450370irq/29-eth0_g0_13-21kworker/0:112:31:500
121450370irq/29-eth0_g0_13-21kworker/0:112:31:500
121450370irq/29-eth0_g0_13-21kworker/0:110:04:310
121370ksoftirqd/123588-21munin-run07:08:501
121370ksoftirqd/1121450irq/29-eth0_g0_07:22:361
121450360irq/29-eth0_g0_1911-21runrttasks09:05:040
121450360irq/29-eth0_g0_1911-21runrttasks08:23:540
121450360irq/29-eth0_g0_13-21kworker/0:112:08:530
121450360irq/29-eth0_g0_13-21kworker/0:110:35:290
121450360irq/29-eth0_g0_13-21kworker/0:109:21:050
121450360irq/29-eth0_g0_13-21kworker/0:109:21:050
121450360irq/29-eth0_g0_121ksoftirqd/110:44:581
2359199351cyclictest25497-21taskset07:27:371
2359199351cyclictest25497-21taskset07:27:371
121550350irq/30-eth0_g0_1221-21kworker/1:210:25:311
121550350irq/30-eth0_g0_0-21swapper/110:33:201
121450350irq/29-eth0_g0_1911-21runrttasks08:12:540
121450350irq/29-eth0_g0_1911-21runrttasks07:26:330
121450350irq/29-eth0_g0_1911-21runrttasks07:26:330
121450340irq/29-eth0_g0_28613-21munin-run07:58:510
121450340irq/29-eth0_g0_1911-21runrttasks08:51:010
121450340irq/29-eth0_g0_1911-21runrttasks08:39:160
121450340irq/29-eth0_g0_1911-21runrttasks08:34:010
2359199331cyclictest0-21swapper/109:02:521
121550330irq/30-eth0_g0_0-21swapper/107:30:431
121450330irq/29-eth0_g0_1911-21runrttasks08:29:270
121450330irq/29-eth0_g0_1911-21runrttasks07:43:430
121450330irq/29-eth0_g0_1911-21runrttasks07:36:440
121330ksoftirqd/1997-21taskset08:46:281
2359199326cyclictest30685-21latency_hist08:18:511
2359199321cyclictest0-21swapper/107:51:131
121550320irq/30-eth0_g0_0-21swapper/107:41:151
121450320irq/29-eth0_g0_27557-21runrttasks07:48:161
121450320irq/29-eth0_g0_1911-21runrttasks07:51:550
2359199311cyclictest0-21swapper/108:00:431
121550310irq/30-eth0_g0_0-21swapper/108:51:391
121550310irq/30-eth0_g0_0-21swapper/107:38:261
121450310irq/29-eth0_g0_29757-21runrttasks08:09:311
121450300irq/29-eth0_g0_0-21swapper/008:45:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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