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2026-05-13 - 22:21

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 Wed May 13, 2026 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1211060ksoftirqd/1121550irq/30-eth0_g0_07:51:011
121980ksoftirqd/1121550irq/30-eth0_g0_11:44:490
13832610sleep0121550irq/30-eth0_g0_09:21:410
121550ksoftirqd/1121550irq/30-eth0_g0_10:58:031
95652520sleep0121450irq/29-eth0_g0_10:42:260
121520ksoftirqd/1121550irq/30-eth0_g0_11:51:291
169622490sleep1121450irq/29-eth0_g0_11:55:021
121490ksoftirqd/1121550irq/30-eth0_g0_09:13:311
73002460sleep1121450irq/29-eth0_g0_10:19:371
37552460sleep1121550irq/30-eth0_g0_09:44:401
121450460irq/29-eth0_g0_121ksoftirqd/112:09:110
121460ksoftirqd/1121550irq/30-eth0_g0_09:26:421
121550440irq/30-eth0_g0_121ksoftirqd/109:41:391
121550430irq/30-eth0_g0_1221-21kworker/1:210:09:261
121550430irq/30-eth0_g0_1221-21kworker/1:209:32:011
121550430irq/30-eth0_g0_1221-21kworker/1:209:32:011
121450430irq/29-eth0_g0_13-21kworker/0:110:25:170
121450430irq/29-eth0_g0_13-21kworker/0:110:25:170
121450430irq/29-eth0_g0_121ksoftirqd/112:26:270
121430ksoftirqd/1121550irq/30-eth0_g0_12:08:371
121430ksoftirqd/1121450irq/29-eth0_g0_09:52:301
121550420irq/30-eth0_g0_1221-21kworker/1:211:10:021
121550420irq/30-eth0_g0_1221-21kworker/1:211:04:111
121550420irq/30-eth0_g0_1221-21kworker/1:210:32:491
121550420irq/30-eth0_g0_1221-21kworker/1:210:04:201
121550420irq/30-eth0_g0_1221-21kworker/1:210:04:201
121450420irq/29-eth0_g0_19359-21latency_hist12:18:570
121450420irq/29-eth0_g0_121ksoftirqd/109:32:480
121450420irq/29-eth0_g0_121ksoftirqd/109:32:480
121420ksoftirqd/1121450irq/29-eth0_g0_10:40:201
121420ksoftirqd/1121450irq/29-eth0_g0_08:01:251
2038199411cyclictest321452sleep109:04:501
121550410irq/30-eth0_g0_1221-21kworker/1:212:36:591
121410ksoftirqd/1121550irq/30-eth0_g0_09:41:040
121410ksoftirqd/1121450irq/29-eth0_g0_10:02:531
121410ksoftirqd/1121450irq/29-eth0_g0_10:00:330
121550400irq/30-eth0_g0_31ksoftirqd/010:46:440
121550400irq/30-eth0_g0_1221-21kworker/1:210:34:221
121450400irq/29-eth0_g0_31ksoftirqd/010:21:590
121450400irq/29-eth0_g0_0-21swapper/007:05:340
156832390sleep0121450irq/29-eth0_g0_11:42:490
121550390irq/30-eth0_g0_31ksoftirqd/009:56:420
121550390irq/30-eth0_g0_159582sleep111:45:061
121550390irq/30-eth0_g0_121ksoftirqd/112:09:231
121450390irq/29-eth0_g0_31ksoftirqd/011:36:230
121450390irq/29-eth0_g0_31ksoftirqd/011:36:230
121450390irq/29-eth0_g0_1911-21runrttasks11:33:420
121450390irq/29-eth0_g0_13-21kworker/0:111:03:320
121450390irq/29-eth0_g0_13-21kworker/0:110:58:440
121450390irq/29-eth0_g0_121ksoftirqd/110:51:280
121390ksoftirqd/1121550irq/30-eth0_g0_11:19:460
258282380sleep0121450irq/29-eth0_g0_08:02:400
121550380irq/30-eth0_g0_1911-21runrttasks07:05:321
121550380irq/30-eth0_g0_1221-21kworker/1:210:45:011
121550380irq/30-eth0_g0_1221-21kworker/1:210:25:291
121550380irq/30-eth0_g0_1221-21kworker/1:210:25:291
121550380irq/30-eth0_g0_1221-21kworker/1:209:22:591
121550380irq/30-eth0_g0_121ksoftirqd/111:36:051
121550380irq/30-eth0_g0_121ksoftirqd/111:36:051
121550380irq/30-eth0_g0_0-21swapper/112:02:491
121550380irq/30-eth0_g0_0-21swapper/111:14:261
121450380irq/29-eth0_g0_32495-21diskmemload09:16:150
121450380irq/29-eth0_g0_31ksoftirqd/011:27:460
121450380irq/29-eth0_g0_31ksoftirqd/010:31:550
121450380irq/29-eth0_g0_31ksoftirqd/010:12:030
121450380irq/29-eth0_g0_2038099cyclictest11:04:220
121450380irq/29-eth0_g0_13-21kworker/0:112:04:520
121450380irq/29-eth0_g0_13-21kworker/0:111:54:080
121450380irq/29-eth0_g0_13-21kworker/0:110:37:390
121450380irq/29-eth0_g0_13-21kworker/0:110:06:000
121450380irq/29-eth0_g0_13-21kworker/0:110:06:000
121450380irq/29-eth0_g0_13-21kworker/0:109:51:330
121380ksoftirqd/1121450irq/29-eth0_g0_11:50:310
121380ksoftirqd/1121450irq/29-eth0_g0_09:56:591
2038199371cyclictest32495-21diskmemload10:17:171
121550370irq/30-eth0_g0_1221-21kworker/1:212:33:561
121550370irq/30-eth0_g0_1221-21kworker/1:212:14:001
121550370irq/30-eth0_g0_1221-21kworker/1:210:53:451
121550370irq/30-eth0_g0_121ksoftirqd/109:14:091
121450370irq/29-eth0_g0_31ksoftirqd/010:16:320
121450370irq/29-eth0_g0_1911-21runrttasks08:47:140
121450370irq/29-eth0_g0_17806-21munin-run12:03:560
121450370irq/29-eth0_g0_13-21kworker/0:112:36:020
121450370irq/29-eth0_g0_13-21kworker/0:112:20:080
121450370irq/29-eth0_g0_13-21kworker/0:111:14:070
121450370irq/29-eth0_g0_13-21kworker/0:109:24:360
121450370irq/29-eth0_g0_121ksoftirqd/112:24:291
121450370irq/29-eth0_g0_121ksoftirqd/109:10:310
2038199368cyclictest0-21swapper/109:35:371
2038199361cyclictest32495-21diskmemload12:22:291
2038199361cyclictest20920-21grep07:13:571
121550360irq/30-eth0_g0_1221-21kworker/1:211:27:561
121450360irq/29-eth0_g0_30000-21latency_hist08:43:570
121450360irq/29-eth0_g0_22966-21latency_hist07:33:580
121450360irq/29-eth0_g0_1911-21runrttasks12:29:490
121450360irq/29-eth0_g0_1911-21runrttasks08:32:330
121450360irq/29-eth0_g0_1911-21runrttasks07:51:100
121450360irq/29-eth0_g0_13-21kworker/0:109:35:380
2038199351cyclictest21399-21cat07:18:571
2038199351cyclictest0-21swapper/108:30:531
121550350irq/30-eth0_g0_1221-21kworker/1:211:29:041
121550350irq/30-eth0_g0_1221-21kworker/1:211:19:121
121450350irq/29-eth0_g0_31520-21latency_hist08:58:580
121450350irq/29-eth0_g0_2038099cyclictest09:44:350
121450350irq/29-eth0_g0_1911-21runrttasks08:26:570
121450350irq/29-eth0_g0_1911-21runrttasks08:14:250
121450350irq/29-eth0_g0_1911-21runrttasks08:13:230
121450350irq/29-eth0_g0_1911-21runrttasks07:46:530
121450350irq/29-eth0_g0_1911-21runrttasks07:39:490
121450350irq/29-eth0_g0_1911-21runrttasks07:09:030
121450350irq/29-eth0_g0_121ksoftirqd/111:00:531
121450350irq/29-eth0_g0_0-21swapper/011:13:320
2038199341cyclictest27675-21chrt08:20:401
2038199341cyclictest0-21swapper/108:42:161
2038199341cyclictest0-21swapper/108:17:261
2038199340cyclictest0-21swapper/111:42:461
121450340irq/29-eth0_g0_29474-21cat08:38:570
121450340irq/29-eth0_g0_27960-21latency_hist08:23:570
121450340irq/29-eth0_g0_1972-21lldpd08:07:170
121450340irq/29-eth0_g0_1911-21runrttasks09:08:530
121450340irq/29-eth0_g0_1911-21runrttasks08:53:040
121450340irq/29-eth0_g0_1911-21runrttasks07:35:220
2038199332cyclictest25497-21grep07:58:581
2038199331cyclictest0-21swapper/107:40:211
121450330irq/29-eth0_g0_2038199cyclictest08:25:401
121450330irq/29-eth0_g0_1911-21runrttasks07:26:550
121450330irq/29-eth0_g0_1911-21runrttasks07:18:200
2038199321cyclictest0-21swapper/107:29:061
2038199321cyclictest0-21swapper/107:25:531
121450320irq/29-eth0_g0_1911-21runrttasks09:01:550
121450320irq/29-eth0_g0_1911-21runrttasks09:01:550
121450320irq/29-eth0_g0_1911-21runrttasks07:57:520
2038199311cyclictest0-21swapper/108:58:051
2038199311cyclictest0-21swapper/108:34:151
2038199311cyclictest0-21swapper/108:05:291
2038199311cyclictest0-21swapper/107:48:221
2038199311cyclictest0-21swapper/107:20:291
121550310irq/30-eth0_g0_0-21swapper/108:44:371
121550310irq/30-eth0_g0_0-21swapper/108:10:501
121450310irq/29-eth0_g0_23410-21runrttasks07:38:531
121310ksoftirqd/130599-21taskset08:49:301
121550300irq/30-eth0_g0_0-21swapper/108:59:351
121550300irq/30-eth0_g0_0-21swapper/108:59:351
121450300irq/29-eth0_g0_0-21swapper/007:23:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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