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2026-06-08 - 08:42

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 Mon Jun 08, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2026921270sleep1121750irq/30-eth0_g0_21:17:191
747321250sleep1121650irq/29-eth0_g0_22:37:301
1211010ksoftirqd/1121750irq/30-eth0_g0_21:19:371
121840ksoftirqd/1121750irq/30-eth0_g0_22:21:181
311612790sleep1121750irq/30-eth0_g0_22:00:441
227682750sleep1121650irq/29-eth0_g0_21:27:521
18472710sleep0121750irq/30-eth0_g0_00:25:480
160342680chrt121750irq/30-eth0_g0_20:59:401
252372660sleep1121650irq/29-eth0_g0_21:38:051
121650ksoftirqd/19712sleep022:09:450
121510ksoftirqd/1121650irq/29-eth0_g0_23:35:320
121500ksoftirqd/1121750irq/30-eth0_g0_00:19:491
121490ksoftirqd/1121750irq/30-eth0_g0_22:49:491
121490ksoftirqd/1121750irq/30-eth0_g0_00:06:501
121490ksoftirqd/1121650irq/29-eth0_g0_00:21:200
121480ksoftirqd/1121750irq/30-eth0_g0_23:26:321
121480ksoftirqd/1121750irq/30-eth0_g0_23:23:231
121650470irq/29-eth0_g0_29915-21df_abs00:09:350
67322460sleep0121750irq/30-eth0_g0_22:34:370
63722460sleep1121650irq/29-eth0_g0_22:33:591
121650460irq/29-eth0_g0_31ksoftirqd/022:44:220
121650460irq/29-eth0_g0_31ksoftirqd/022:44:220
121650460irq/29-eth0_g0_21022-21cyclictest19:09:220
121460ksoftirqd/1121650irq/29-eth0_g0_22:47:460
121750450irq/30-eth0_g0_1219-21kworker/1:200:11:411
121450ksoftirqd/1121750irq/30-eth0_g0_23:54:410
121650440irq/29-eth0_g0_1964-21runrttasks23:06:160
121440ksoftirqd/1121650irq/29-eth0_g0_20:50:541
121440ksoftirqd/1121650irq/29-eth0_g0_20:39:391
121440ksoftirqd/1121650irq/29-eth0_g0_20:39:391
121440ksoftirqd/1121650irq/29-eth0_g0_19:12:421
93862430chrt121750irq/30-eth0_g0_20:34:001
121750430irq/30-eth0_g0_1219-21kworker/1:223:42:481
121750430irq/30-eth0_g0_1219-21kworker/1:221:41:121
121650430irq/29-eth0_g0_121ksoftirqd/122:24:500
121430ksoftirqd/1121750irq/30-eth0_g0_22:59:081
121430ksoftirqd/1121750irq/30-eth0_g0_21:31:530
121430ksoftirqd/1121650irq/29-eth0_g0_19:49:361
121750420irq/30-eth0_g0_1219-21kworker/1:223:46:341
121750420irq/30-eth0_g0_1219-21kworker/1:222:14:471
121750420irq/30-eth0_g0_0-21swapper/122:27:151
121420ksoftirqd/1121750irq/30-eth0_g0_23:03:001
121420ksoftirqd/1121650irq/29-eth0_g0_21:53:481
121420ksoftirqd/1121650irq/29-eth0_g0_21:53:481
121420ksoftirqd/1121650irq/29-eth0_g0_20:04:441
121650410irq/29-eth0_g0_31ksoftirqd/023:17:060
121650410irq/29-eth0_g0_13-21kworker/0:121:14:380
121410ksoftirqd/1121750irq/30-eth0_g0_22:19:270
121750400irq/30-eth0_g0_31ksoftirqd/022:29:430
121750400irq/30-eth0_g0_1219-21kworker/1:200:04:111
121750400irq/30-eth0_g0_1219-21kworker/1:200:04:111
121650400irq/29-eth0_g0_31ksoftirqd/023:13:570
121650400irq/29-eth0_g0_31ksoftirqd/019:29:430
121650400irq/29-eth0_g0_13-21kworker/0:123:30:310
121650400irq/29-eth0_g0_13-21kworker/0:121:19:400
121650400irq/29-eth0_g0_13-21kworker/0:100:15:510
121400ksoftirqd/1121750irq/30-eth0_g0_00:39:190
2102499391cyclictest17996-21diskmemload21:31:011
121750390irq/30-eth0_g0_1219-21kworker/1:222:42:481
121750390irq/30-eth0_g0_1219-21kworker/1:222:42:481
121750390irq/30-eth0_g0_0-21swapper/122:12:021
121650390irq/29-eth0_g0_31ksoftirqd/023:44:590
121650390irq/29-eth0_g0_19377-21sed23:24:430
121650390irq/29-eth0_g0_13-21kworker/0:122:19:010
121390ksoftirqd/1121750irq/30-eth0_g0_21:09:190
121390ksoftirqd/1121750irq/30-eth0_g0_20:45:130
121390ksoftirqd/1121750irq/30-eth0_g0_20:35:590
121390ksoftirqd/1121750irq/30-eth0_g0_19:42:210
121390ksoftirqd/1121750irq/30-eth0_g0_00:04:430
121390ksoftirqd/1121650irq/29-eth0_g0_23:51:331
121390ksoftirqd/1121650irq/29-eth0_g0_21:26:570
121390ksoftirqd/1121650irq/29-eth0_g0_19:14:451
2102499381cyclictest71262sleep120:24:351
2102499381cyclictest32758-21grep22:09:231
2102499381cyclictest29026-21swap19:39:431
2102499381cyclictest182412sleep121:09:341
2102499381cyclictest182412sleep121:09:341
2102499381cyclictest12169-21taskset20:44:351
163892380sleep0121650irq/29-eth0_g0_21:00:000
121750380irq/30-eth0_g0_1219-21kworker/1:223:58:511
121750380irq/30-eth0_g0_0-21swapper/123:13:421
121750380irq/30-eth0_g0_0-21swapper/100:16:371
121650380irq/29-eth0_g0_31ksoftirqd/022:59:270
121650380irq/29-eth0_g0_31ksoftirqd/019:15:190
121650380irq/29-eth0_g0_13-21kworker/0:123:59:380
121650380irq/29-eth0_g0_13-21kworker/0:123:59:380
121650380irq/29-eth0_g0_13-21kworker/0:123:49:300
121650380irq/29-eth0_g0_13-21kworker/0:121:59:310
121650380irq/29-eth0_g0_13-21kworker/0:121:58:150
121650380irq/29-eth0_g0_13-21kworker/0:121:49:410
121650380irq/29-eth0_g0_13-21kworker/0:121:49:410
121650380irq/29-eth0_g0_13-21kworker/0:121:45:450
121650380irq/29-eth0_g0_13-21kworker/0:100:32:160
121650380irq/29-eth0_g0_0-21swapper/021:10:140
121650380irq/29-eth0_g0_0-21swapper/021:10:140
121380ksoftirqd/1121750irq/30-eth0_g0_23:23:040
121380ksoftirqd/1121750irq/30-eth0_g0_20:32:030
121380ksoftirqd/1121650irq/29-eth0_g0_00:36:291
2102499371cyclictest21272-21sed23:34:331
121750370irq/30-eth0_g0_1964-21runrttasks19:37:441
121750370irq/30-eth0_g0_1219-21kworker/1:222:45:311
121650370irq/29-eth0_g0_908-21/usr/sbin/munin19:59:480
121650370irq/29-eth0_g0_3712-21missed_timers20:09:380
121650370irq/29-eth0_g0_31ksoftirqd/022:52:190
121650370irq/29-eth0_g0_27864-21unixbench_multi19:34:440
121650370irq/29-eth0_g0_21778-21sed19:09:450
121650370irq/29-eth0_g0_1964-21runrttasks20:19:240
121650370irq/29-eth0_g0_13-21kworker/0:123:39:350
121650370irq/29-eth0_g0_13-21kworker/0:122:55:070
121650370irq/29-eth0_g0_13-21kworker/0:122:07:390
121370ksoftirqd/1121650irq/29-eth0_g0_20:58:131
21024993630cyclictest4614-21/usr/sbin/munin20:14:391
2102499361cyclictest26007-21/usr/sbin/munin19:29:401
2102499361cyclictest23692-21df_abs19:19:351
2102499361cyclictest23692-21df_abs19:19:351
2102499361cyclictest17457-21cat21:04:431
2102499361cyclictest16363-21df_abs23:14:331
121750360irq/30-eth0_g0_1219-21kworker/1:223:06:071
121750360irq/30-eth0_g0_1219-21kworker/1:200:24:251
121650360irq/29-eth0_g0_32596-21ps19:54:410
121650360irq/29-eth0_g0_31437-21zcat19:49:410
121650360irq/29-eth0_g0_26044-21timerandwakeup21:39:450
121650360irq/29-eth0_g0_1964-21runrttasks20:08:290
121650360irq/29-eth0_g0_11381-21unixbench_multi20:39:440
121650360irq/29-eth0_g0_11381-21unixbench_multi20:39:440
121650360irq/29-eth0_g0_0-21swapper/020:54:440
121360ksoftirqd/1121650irq/29-eth0_g0_23:29:371
2102499352cyclictest0-21swapper/120:09:381
2102499351cyclictest5899-21taskset20:19:341
2102499351cyclictest2902-21sed00:29:441
2102499351cyclictest25020-21taskset19:24:381
2102499351cyclictest25020-21taskset19:24:381
2102499351cyclictest1391-21ps19:59:431
2102499350cyclictest0-21swapper/121:48:591
121750350irq/30-eth0_g0_29659-21sendmail_mailqu21:54:441
121750350irq/30-eth0_g0_19946-21df_abs19:04:331
121650350irq/29-eth0_g0_7306-21chrt20:24:380
121650350irq/29-eth0_g0_1964-21runrttasks20:14:350
121650350irq/29-eth0_g0_13185-21/usr/sbin/munin20:49:430
121650350irq/29-eth0_g0_13-21kworker/0:121:35:570
121350ksoftirqd/1121650irq/29-eth0_g0_20:35:061
2102499341cyclictest1964-21runrttasks19:45:121
2102499340cyclictest0-21swapper/119:54:441
121650340irq/29-eth0_g0_29916-21iostat19:44:360
121650340irq/29-eth0_g0_25087-21cat19:24:390
121650340irq/29-eth0_g0_25087-21cat19:24:390
121650340irq/29-eth0_g0_23897-21netstat19:19:390
121650340irq/29-eth0_g0_23897-21netstat19:19:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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