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2026-06-27 - 08:53

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 Sat Jun 27, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1211150ksoftirqd/1121750irq/30-eth0_g0_00:05:461
1211020ksoftirqd/1121750irq/30-eth0_g0_23:19:510
121840ksoftirqd/1121750irq/30-eth0_g0_00:28:581
287262630sleep0121750irq/30-eth0_g0_22:48:580
276452630sleep1121650irq/29-eth0_g0_22:44:591
121530ksoftirqd/1121750irq/30-eth0_g0_22:32:171
121490ksoftirqd/1121650irq/29-eth0_g0_21:36:360
121470ksoftirqd/1121750irq/30-eth0_g0_23:16:411
121470ksoftirqd/1121650irq/29-eth0_g0_20:14:451
121650460irq/29-eth0_g0_31ksoftirqd/022:33:570
121450ksoftirqd/1121750irq/30-eth0_g0_22:20:421
121450ksoftirqd/1121750irq/30-eth0_g0_22:20:421
121450ksoftirqd/1121650irq/29-eth0_g0_22:12:311
121450ksoftirqd/1121650irq/29-eth0_g0_19:32:571
121450ksoftirqd/1121650irq/29-eth0_g0_00:09:491
121450ksoftirqd/1121650irq/29-eth0_g0_00:08:180
121450ksoftirqd/1121650irq/29-eth0_g0_00:01:301
121750440irq/30-eth0_g0_1219-21kworker/1:223:08:511
121750440irq/30-eth0_g0_1219-21kworker/1:223:08:511
121440ksoftirqd/1121650irq/29-eth0_g0_23:26:251
121440ksoftirqd/1121650irq/29-eth0_g0_20:58:521
121440ksoftirqd/1121650irq/29-eth0_g0_20:26:111
121650430irq/29-eth0_g0_31ksoftirqd/020:13:570
121650430irq/29-eth0_g0_1964-21runrttasks19:08:240
121650430irq/29-eth0_g0_131kworker/0:123:50:370
121430ksoftirqd/1121650irq/29-eth0_g0_23:49:321
121430ksoftirqd/1121650irq/29-eth0_g0_23:14:150
121430ksoftirqd/1121650irq/29-eth0_g0_21:49:091
121750420irq/30-eth0_g0_1219-21kworker/1:223:21:301
121750420irq/30-eth0_g0_1219-21kworker/1:221:27:411
121750420irq/30-eth0_g0_1219-21kworker/1:221:27:411
121750420irq/30-eth0_g0_0-21swapper/121:53:471
121650420irq/29-eth0_g0_1964-21runrttasks22:28:530
121650420irq/29-eth0_g0_13-21kworker/0:123:29:430
121650420irq/29-eth0_g0_13-21kworker/0:121:57:160
121650420irq/29-eth0_g0_121ksoftirqd/120:09:261
121420ksoftirqd/1121750irq/30-eth0_g0_21:43:081
121750410irq/30-eth0_g0_1219-21kworker/1:222:13:561
121650410irq/29-eth0_g0_8215-21chrt21:26:510
121650410irq/29-eth0_g0_8215-21chrt21:26:510
121650410irq/29-eth0_g0_4739-21taskset21:13:370
121650410irq/29-eth0_g0_13-21kworker/0:122:12:520
121650410irq/29-eth0_g0_13-21kworker/0:122:06:390
121650410irq/29-eth0_g0_13-21kworker/0:121:41:190
121650410irq/29-eth0_g0_12159-21timerandwakeup23:53:570
121650410irq/29-eth0_g0_121ksoftirqd/122:48:250
121650410irq/29-eth0_g0_121ksoftirqd/122:37:101
121650410irq/29-eth0_g0_121ksoftirqd/119:58:071
121410ksoftirqd/1121750irq/30-eth0_g0_22:01:210
121410ksoftirqd/1121650irq/29-eth0_g0_00:15:411
121410ksoftirqd/1121650irq/29-eth0_g0_00:15:411
121750400irq/30-eth0_g0_313582sleep023:00:260
121750400irq/30-eth0_g0_12773-21unixbench_multi21:43:590
121650400irq/29-eth0_g0_31ksoftirqd/023:08:540
121650400irq/29-eth0_g0_31ksoftirqd/023:08:540
121650400irq/29-eth0_g0_31ksoftirqd/023:04:560
121650400irq/29-eth0_g0_1964-21runrttasks19:05:331
121650400irq/29-eth0_g0_13-21kworker/0:123:25:120
121650400irq/29-eth0_g0_13-21kworker/0:122:42:530
121650400irq/29-eth0_g0_13-21kworker/0:122:21:340
121650400irq/29-eth0_g0_13-21kworker/0:122:21:340
121650400irq/29-eth0_g0_121ksoftirqd/100:34:390
653199391cyclictest17815-21sed00:18:471
653199391cyclictest14538-21chrt19:38:581
121750390irq/30-eth0_g0_1219-21kworker/1:222:49:111
121650390irq/29-eth0_g0_31ksoftirqd/020:48:560
121650390irq/29-eth0_g0_20590-21proc_pri00:28:560
121650390irq/29-eth0_g0_13-21kworker/0:122:16:480
121650390irq/29-eth0_g0_13-21kworker/0:100:14:190
121650390irq/29-eth0_g0_13-21kworker/0:100:14:190
121390ksoftirqd/1121750irq/30-eth0_g0_23:48:260
121390ksoftirqd/1121750irq/30-eth0_g0_23:48:260
121390ksoftirqd/1121750irq/30-eth0_g0_23:42:260
121390ksoftirqd/1121750irq/30-eth0_g0_23:38:190
121390ksoftirqd/1121750irq/30-eth0_g0_22:24:040
121390ksoftirqd/1121750irq/30-eth0_g0_21:51:280
121390ksoftirqd/1121750irq/30-eth0_g0_21:28:500
121390ksoftirqd/1121750irq/30-eth0_g0_19:39:130
121390ksoftirqd/1121750irq/30-eth0_g0_00:24:450
121390ksoftirqd/1121750irq/30-eth0_g0_00:19:250
121390ksoftirqd/1121750irq/30-eth0_g0_00:13:160
121390ksoftirqd/1121650irq/29-eth0_g0_20:00:581
653199381cyclictest7186-21zcat23:33:561
653199381cyclictest6120-21grep23:28:571
653199381cyclictest2060-21sendmail20:35:491
653199381cyclictest12819-21unixbench_singl21:43:591
121750380irq/30-eth0_g0_1219-21kworker/1:223:38:571
121750380irq/30-eth0_g0_1219-21kworker/1:222:24:571
121750380irq/30-eth0_g0_1219-21kworker/1:221:21:211
121750380irq/30-eth0_g0_1219-21kworker/1:221:09:091
121750380irq/30-eth0_g0_121ksoftirqd/123:06:001
121750380irq/30-eth0_g0_0-21swapper/123:57:451
121650380irq/29-eth0_g0_13-21kworker/0:122:58:280
121650380irq/29-eth0_g0_121ksoftirqd/121:21:010
121650380irq/29-eth0_g0_10355-21runrttasks19:23:500
121380ksoftirqd/1121750irq/30-eth0_g0_21:15:260
121380ksoftirqd/1121750irq/30-eth0_g0_20:38:350
121380ksoftirqd/1121750irq/30-eth0_g0_19:57:300
121380ksoftirqd/1121750irq/30-eth0_g0_19:52:100
121380ksoftirqd/1121750irq/30-eth0_g0_19:14:330
121380ksoftirqd/1121750irq/30-eth0_g0_19:11:110
121380ksoftirqd/1121650irq/29-eth0_g0_22:04:161
121380ksoftirqd/1121650irq/29-eth0_g0_00:26:291
653199372cyclictest26248-21unixbench_multi22:38:571
653199371cyclictest98212sleep123:43:581
653199371cyclictest98212sleep123:43:581
653199371cyclictest85182sleep121:28:481
653199371cyclictest10148-21wc21:33:581
121750370irq/30-eth0_g0_1219-21kworker/1:221:58:491
121750370irq/30-eth0_g0_1219-21kworker/1:200:36:001
121750370irq/30-eth0_g0_0-21swapper/122:56:431
121750370irq/30-eth0_g0_0-21swapper/121:14:011
121650370irq/29-eth0_g0_31ksoftirqd/023:58:510
121650370irq/29-eth0_g0_25416-21ps20:23:560
121650370irq/29-eth0_g0_1964-21runrttasks20:11:570
121650370irq/29-eth0_g0_1964-21runrttasks19:33:430
121370ksoftirqd/1121650irq/29-eth0_g0_20:18:531
653199361cyclictest550-21grep20:53:581
653199361cyclictest16701-21grep19:48:521
653199361cyclictest13380-21grep19:33:581
121650360irq/29-eth0_g0_1964-21runrttasks20:20:440
121650360irq/29-eth0_g0_1964-21runrttasks19:47:060
121650360irq/29-eth0_g0_12193-21unixbench_singl19:28:590
653199351cyclictest299082sleep120:43:471
653199351cyclictest20241-21forks20:03:491
653199351cyclictest10852-21awk19:23:591
121750350irq/30-eth0_g0_6752-21df_abs19:08:481
121750350irq/30-eth0_g0_1219-21kworker/1:222:58:551
121650350irq/29-eth0_g0_9683-21runrttasks19:18:580
121650350irq/29-eth0_g0_32617-21cat20:53:520
121650350irq/29-eth0_g0_1964-21runrttasks19:59:130
121650350irq/29-eth0_g0_1958-21crond21:00:370
121650350irq/29-eth0_g0_0-21swapper/021:03:550
121650350irq/29-eth0_g0_0-21swapper/021:03:550
121650350irq/29-eth0_g0_0-21swapper/020:28:560
121350ksoftirqd/1121650irq/29-eth0_g0_21:06:341
121350ksoftirqd/1121650irq/29-eth0_g0_21:06:341
121350ksoftirqd/1121650irq/29-eth0_g0_20:48:561
653199341cyclictest0-21swapper/119:23:371
121650340irq/29-eth0_g0_0-21swapper/020:03:540
653199331cyclictest15564-21ntpdc19:43:531
121750330irq/30-eth0_g0_26878-21head20:28:591
121650330irq/29-eth0_g0_29328-21unixbench_singl20:38:590
121650330irq/29-eth0_g0_1964-21runrttasks20:44:410
653199321cyclictest0-21swapper/120:38:551
121650320irq/29-eth0_g0_8839-21runrttasks19:17:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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