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2026-07-31 - 17:39

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 highest latencies:
System rack3slot5s.osadl.org (updated Fri Jul 31, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2523721430sleep1121650irq/29-eth0_g0_11:38:161
1569721230sleep1121650irq/29-eth0_g0_11:01:191
3020721080sleep1121650irq/29-eth0_g0_11:59:051
121840ksoftirqd/1121650irq/29-eth0_g0_11:08:320
121800ksoftirqd/1121750irq/30-eth0_g0_09:59:250
81292750sleep0121650irq/29-eth0_g0_10:28:310
121690ksoftirqd/1121750irq/30-eth0_g0_11:52:010
121690ksoftirqd/1121750irq/30-eth0_g0_11:52:010
121690ksoftirqd/1121650irq/29-eth0_g0_08:57:361
259292680sleep0121650irq/29-eth0_g0_09:29:250
93642670sleep0121750irq/30-eth0_g0_10:33:410
121660ksoftirqd/1121650irq/29-eth0_g0_12:32:431
121560ksoftirqd/1121750irq/30-eth0_g0_12:23:141
285042530sleep1121650irq/29-eth0_g0_09:40:511
121530ksoftirqd/1121750irq/30-eth0_g0_09:07:141
121650520irq/29-eth0_g0_31ksoftirqd/010:22:330
121650520irq/29-eth0_g0_31ksoftirqd/010:22:330
121520ksoftirqd/1121750irq/30-eth0_g0_09:27:051
121520ksoftirqd/1121750irq/30-eth0_g0_09:27:051
193592490sleep0121650irq/29-eth0_g0_11:16:110
121480ksoftirqd/1121750irq/30-eth0_g0_10:22:011
121650470irq/29-eth0_g0_17003-21sendmail_mailqu08:52:350
121470ksoftirqd/1121750irq/30-eth0_g0_10:23:051
121470ksoftirqd/1121750irq/30-eth0_g0_10:23:051
121460ksoftirqd/1121750irq/30-eth0_g0_09:29:481
121460ksoftirqd/1121750irq/30-eth0_g0_09:10:051
121460ksoftirqd/1121650irq/29-eth0_g0_09:08:540
121750450irq/30-eth0_g0_31360-21if_eth009:52:271
121750450irq/30-eth0_g0_31360-21if_eth009:52:271
121750450irq/30-eth0_g0_0-21swapper/010:07:350
121450ksoftirqd/1121750irq/30-eth0_g0_10:42:420
121450ksoftirqd/1121650irq/29-eth0_g0_11:24:061
121440ksoftirqd/1121750irq/30-eth0_g0_12:13:561
121440ksoftirqd/1121750irq/30-eth0_g0_12:03:411
121440ksoftirqd/1121750irq/30-eth0_g0_10:03:511
121440ksoftirqd/1121650irq/29-eth0_g0_10:35:151
121440ksoftirqd/1121650irq/29-eth0_g0_09:35:230
121750430irq/30-eth0_g0_1219-21kworker/1:211:08:201
121430ksoftirqd/1121750irq/30-eth0_g0_10:29:531
121430ksoftirqd/1121650irq/29-eth0_g0_11:21:341
121430ksoftirqd/1121650irq/29-eth0_g0_09:53:240
121430ksoftirqd/1121650irq/29-eth0_g0_09:53:240
142752420sleep1121650irq/29-eth0_g0_10:53:591
121750420irq/30-eth0_g0_1219-21kworker/1:212:09:241
121650420irq/29-eth0_g0_13-21kworker/0:111:01:190
121420ksoftirqd/1121650irq/29-eth0_g0_11:35:491
121750410irq/30-eth0_g0_1219-21kworker/1:209:17:521
121650410irq/29-eth0_g0_31ksoftirqd/012:11:140
121650410irq/29-eth0_g0_31ksoftirqd/010:39:540
121650410irq/29-eth0_g0_31ksoftirqd/009:24:390
121650410irq/29-eth0_g0_31ksoftirqd/009:24:390
121650410irq/29-eth0_g0_22658-21unixbench_singl07:02:380
121650410irq/29-eth0_g0_13-21kworker/0:111:19:430
121650410irq/29-eth0_g0_13-21kworker/0:110:47:590
121650410irq/29-eth0_g0_121ksoftirqd/111:38:190
121650410irq/29-eth0_g0_121ksoftirqd/110:12:301
121410ksoftirqd/1121750irq/30-eth0_g0_09:16:581
121750400irq/30-eth0_g0_121ksoftirqd/109:49:090
121650400irq/29-eth0_g0_5494-21/usr/sbin/munin12:32:310
121650400irq/29-eth0_g0_32156-21ntp_offset07:42:310
121650400irq/29-eth0_g0_13-21kworker/0:112:14:410
121650400irq/29-eth0_g0_13-21kworker/0:111:53:340
121650400irq/29-eth0_g0_13-21kworker/0:110:03:370
121650400irq/29-eth0_g0_13-21kworker/0:109:14:230
121650400irq/29-eth0_g0_121ksoftirqd/112:06:000
121650400irq/29-eth0_g0_121ksoftirqd/109:18:340
121400ksoftirqd/1121750irq/30-eth0_g0_11:07:110
2311799392cyclictest26780-21munin-run07:22:141
2311799391cyclictest1827-21cpu12:17:231
121750390irq/30-eth0_g0_21974-21/usr/sbin/munin07:02:281
121750390irq/30-eth0_g0_1219-21kworker/1:211:29:571
121750390irq/30-eth0_g0_1219-21kworker/1:209:34:411
121750390irq/30-eth0_g0_0-21swapper/111:51:461
121750390irq/30-eth0_g0_0-21swapper/111:51:461
121650390irq/29-eth0_g0_1964-21runrttasks10:12:480
121650390irq/29-eth0_g0_13-21kworker/0:111:34:500
121650390irq/29-eth0_g0_121ksoftirqd/111:58:590
121650390irq/29-eth0_g0_121ksoftirqd/111:16:191
121650390irq/29-eth0_g0_121ksoftirqd/110:53:240
121390ksoftirqd/1121750irq/30-eth0_g0_12:25:090
121390ksoftirqd/1121750irq/30-eth0_g0_12:18:120
121390ksoftirqd/1121750irq/30-eth0_g0_10:19:240
121390ksoftirqd/1121750irq/30-eth0_g0_08:09:410
121390ksoftirqd/1121750irq/30-eth0_g0_07:20:430
121390ksoftirqd/1121750irq/30-eth0_g0_07:08:490
121390ksoftirqd/1121650irq/29-eth0_g0_08:09:461
2311799382cyclictest7084-21grep08:12:331
2311799382cyclictest30330-21grep09:47:321
2311799381cyclictest4519-21sort12:27:281
2311799381cyclictest23278-21sed07:07:271
2311799381cyclictest13379-21/usr/sbin/munin08:37:371
121750380irq/30-eth0_g0_1219-21kworker/1:209:57:411
121750380irq/30-eth0_g0_121ksoftirqd/110:47:351
121650380irq/29-eth0_g0_28739-21grep07:27:370
121650380irq/29-eth0_g0_28739-21grep07:27:370
121650380irq/29-eth0_g0_27555-21df09:37:250
121650380irq/29-eth0_g0_25114-21unixbench_singl07:12:360
121650380irq/29-eth0_g0_1964-21runrttasks11:27:150
121650380irq/29-eth0_g0_1964-21runrttasks08:44:150
121650380irq/29-eth0_g0_1954-21entropy07:52:270
121380ksoftirqd/1121750irq/30-eth0_g0_09:43:490
121380ksoftirqd/1121750irq/30-eth0_g0_08:04:040
295472370sleep10-21swapper/107:32:291
2311799371cyclictest29345-21unixbench_multi09:42:351
2311799371cyclictest20051-21diskmemload10:37:281
2311799371cyclictest12289-21grep08:32:371
2311799371cyclictest10369-21egrep08:27:261
121750370irq/30-eth0_g0_0-21swapper/110:43:051
121650370irq/29-eth0_g0_29876-21/usr/sbin/munin07:32:350
121650370irq/29-eth0_g0_1964-21runrttasks07:48:590
121650370irq/29-eth0_g0_15636-21ntpdc08:47:310
121650370irq/29-eth0_g0_15636-21ntpdc08:47:310
121650370irq/29-eth0_g0_13-21kworker/0:112:28:210
121650370irq/29-eth0_g0_13-21kworker/0:111:24:340
121370ksoftirqd/1121750irq/30-eth0_g0_11:45:270
121370ksoftirqd/1121750irq/30-eth0_g0_07:57:270
2311799362cyclictest10302-21latency_hist08:27:141
2311799361cyclictest4954-21awk08:02:381
2311799361cyclictest32228-21wc07:42:331
2311799361cyclictest25451-21taskset07:16:061
2311799361cyclictest15485-21sh08:47:281
2311799361cyclictest15485-21sh08:47:281
121750360irq/30-eth0_g0_3555-21fgrep07:57:341
121750360irq/30-eth0_g0_1219-21kworker/1:211:45:091
121750360irq/30-eth0_g0_1194-21unixbench_multi07:47:381
121650360irq/29-eth0_g0_7984-21df_abs08:17:260
121650360irq/29-eth0_g0_1964-21runrttasks08:26:420
121650360irq/29-eth0_g0_121ksoftirqd/111:54:081
121650360irq/29-eth0_g0_121ksoftirqd/110:08:581
121360ksoftirqd/1121650irq/29-eth0_g0_07:53:511
2311799351cyclictest14248-21interrupts08:42:281
2311799351cyclictest0-21swapper/107:29:241
2311799351cyclictest0-21swapper/107:29:241
121750350irq/30-eth0_g0_1219-21kworker/1:211:05:271
121650350irq/29-eth0_g0_1964-21runrttasks08:57:330
121650350irq/29-eth0_g0_18973-21cpu09:02:260
121650350irq/29-eth0_g0_12935-21sed08:37:260
121650350irq/29-eth0_g0_11973-21ntp_offset08:32:320
2311799342cyclictest16933-21ps08:52:341
2311799341cyclictest8166-21latency08:17:291
121750340irq/30-eth0_g0_31003-21proc_pri07:37:341
121650340irq/29-eth0_g0_6939-21wc08:12:290
121650340irq/29-eth0_g0_27267-21ntp_offset07:22:320
2311799331cyclictest27335-21proc_pri07:22:331
121650330irq/29-eth0_g0_10425-21df08:27:270
121650320irq/29-eth0_g0_31167-21unixbench_multi07:37:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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