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2026-09-02 - 21:00

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 100 highest latencies:
System rack3slot5s.osadl.org (updated Wed Sep 02, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62221410sleep1121650irq/29-eth0_g0_10:45:121
1211090ksoftirqd/1121750irq/30-eth0_g0_09:20:161
121930ksoftirqd/1121650irq/29-eth0_g0_10:11:381
121890ksoftirqd/1121650irq/29-eth0_g0_10:25:531
121890ksoftirqd/1121650irq/29-eth0_g0_10:25:531
121850ksoftirqd/1121650irq/29-eth0_g0_08:26:120
121820ksoftirqd/1121650irq/29-eth0_g0_10:29:340
121790ksoftirqd/1121750irq/30-eth0_g0_11:16:120
121530ksoftirqd/1121750irq/30-eth0_g0_12:33:071
121510ksoftirqd/1121650irq/29-eth0_g0_12:02:330
30862490sleep0121650irq/29-eth0_g0_10:54:570
121490ksoftirqd/1121750irq/30-eth0_g0_10:49:151
121750480irq/30-eth0_g0_16503-21sshd11:49:161
121750470irq/30-eth0_g0_121ksoftirqd/107:11:141
121470ksoftirqd/1121650irq/29-eth0_g0_09:21:011
121460ksoftirqd/137942sleep008:45:560
121450ksoftirqd/1121750irq/30-eth0_g0_12:13:571
121450ksoftirqd/1121750irq/30-eth0_g0_10:00:321
121440ksoftirqd/1121750irq/30-eth0_g0_11:02:130
121440ksoftirqd/1121750irq/30-eth0_g0_07:06:130
121440ksoftirqd/1121650irq/29-eth0_g0_12:26:171
121440ksoftirqd/1121650irq/29-eth0_g0_10:28:221
121440ksoftirqd/1121650irq/29-eth0_g0_08:47:281
121440ksoftirqd/1121650irq/29-eth0_g0_08:47:281
121440ksoftirqd/1121650irq/29-eth0_g0_08:21:021
121650430irq/29-eth0_g0_13-21kworker/0:111:51:310
121650430irq/29-eth0_g0_13-21kworker/0:111:51:310
121750420irq/30-eth0_g0_1219-21kworker/1:212:16:011
121750420irq/30-eth0_g0_1219-21kworker/1:212:02:481
121750420irq/30-eth0_g0_1219-21kworker/1:212:00:271
121750420irq/30-eth0_g0_1219-21kworker/1:211:54:251
121750420irq/30-eth0_g0_1219-21kworker/1:211:54:251
121750420irq/30-eth0_g0_1219-21kworker/1:210:38:451
121750420irq/30-eth0_g0_1219-21kworker/1:209:26:381
121650420irq/29-eth0_g0_31ksoftirqd/010:02:470
121650420irq/29-eth0_g0_127992sleep011:33:510
121420ksoftirqd/1121750irq/30-eth0_g0_09:50:021
1174899422cyclictest11908-21df_abs11:31:061
121750410irq/30-eth0_g0_8653-21diskmemload10:03:531
121750410irq/30-eth0_g0_1219-21kworker/1:211:19:021
121750410irq/30-eth0_g0_1219-21kworker/1:209:38:221
121750410irq/30-eth0_g0_121ksoftirqd/112:21:081
121650410irq/29-eth0_g0_13-21kworker/0:111:14:420
121650410irq/29-eth0_g0_13-21kworker/0:109:18:400
121650410irq/29-eth0_g0_121ksoftirqd/111:43:390
121650410irq/29-eth0_g0_11021-21/usr/sbin/munin07:01:120
121410ksoftirqd/1121750irq/30-eth0_g0_09:43:580
121750400irq/30-eth0_g0_31ksoftirqd/012:28:040
121750400irq/30-eth0_g0_31ksoftirqd/011:23:130
121750400irq/30-eth0_g0_1219-21kworker/1:211:29:041
121650400irq/29-eth0_g0_30753-21wc10:35:550
121650400irq/29-eth0_g0_31ksoftirqd/009:30:090
121650400irq/29-eth0_g0_13-21kworker/0:110:06:160
121650400irq/29-eth0_g0_13-21kworker/0:109:52:120
121650400irq/29-eth0_g0_1174799cyclictest10:18:270
1174899402cyclictest1964-21runrttasks09:06:321
121750390irq/30-eth0_g0_3639-21taskset10:56:111
121750390irq/30-eth0_g0_3639-21taskset10:56:111
121750390irq/30-eth0_g0_15077-21chrt11:41:531
121750390irq/30-eth0_g0_1219-21kworker/1:211:36:411
121750390irq/30-eth0_g0_1219-21kworker/1:211:36:411
121750390irq/30-eth0_g0_1219-21kworker/1:211:02:241
121750390irq/30-eth0_g0_121ksoftirqd/110:08:521
121650390irq/29-eth0_g0_31ksoftirqd/011:10:110
121650390irq/29-eth0_g0_31ksoftirqd/010:21:140
121650390irq/29-eth0_g0_31ksoftirqd/010:21:140
121650390irq/29-eth0_g0_31ksoftirqd/009:56:050
121650390irq/29-eth0_g0_1398-21grep10:46:170
121650390irq/29-eth0_g0_13-21kworker/0:112:31:460
121650390irq/29-eth0_g0_13-21kworker/0:111:29:070
121650390irq/29-eth0_g0_13-21kworker/0:110:12:310
121650390irq/29-eth0_g0_121ksoftirqd/109:34:110
121390ksoftirqd/1121750irq/30-eth0_g0_11:38:400
121390ksoftirqd/1121750irq/30-eth0_g0_11:38:400
121390ksoftirqd/1121750irq/30-eth0_g0_10:37:070
121390ksoftirqd/1121750irq/30-eth0_g0_09:06:260
121390ksoftirqd/1121750irq/30-eth0_g0_08:52:400
121390ksoftirqd/1121750irq/30-eth0_g0_08:50:270
121390ksoftirqd/1121750irq/30-eth0_g0_08:50:270
121390ksoftirqd/1121750irq/30-eth0_g0_07:42:280
1174899392cyclictest2033-21grep08:36:161
1174899391cyclictest27063-21seq08:06:161
121750380irq/30-eth0_g0_1219-21kworker/1:212:08:121
121750380irq/30-eth0_g0_1219-21kworker/1:210:18:551
121750380irq/30-eth0_g0_1219-21kworker/1:209:45:321
121750380irq/30-eth0_g0_1219-21kworker/1:209:34:111
121750380irq/30-eth0_g0_121ksoftirqd/110:33:311
121750380irq/30-eth0_g0_0-21swapper/110:53:451
121650380irq/29-eth0_g0_31ksoftirqd/007:26:160
121650380irq/29-eth0_g0_24544-21proc_pri12:21:130
121650380irq/29-eth0_g0_21997-21ntpdc07:46:120
121650380irq/29-eth0_g0_18632-21unixbench_singl07:31:170
121650380irq/29-eth0_g0_13-21kworker/0:112:16:360
121650380irq/29-eth0_g0_1174799cyclictest12:13:120
121650380irq/29-eth0_g0_10627-21unixbench_multi09:11:160
11748993824cyclictest1964-21runrttasks08:54:321
1174899381cyclictest244842sleep107:56:131
121750370irq/30-eth0_g0_1219-21kworker/1:211:10:561
121750370irq/30-eth0_g0_1219-21kworker/1:209:55:511
121750370irq/30-eth0_g0_11149-21mailstats07:01:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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