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2026-05-30 - 19:19

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 Sat May 30, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2718921280chrt121750irq/30-eth0_g0_12:25:041
3026021230sleep1121650irq/29-eth0_g0_10:25:291
1152721220sleep0121750irq/30-eth0_g0_11:22:420
115212910sleep1121650irq/29-eth0_g0_09:10:021
115212910sleep1121650irq/29-eth0_g0_09:10:021
121890ksoftirqd/1121750irq/30-eth0_g0_07:08:421
121850ksoftirqd/1121750irq/30-eth0_g0_11:34:080
121850ksoftirqd/1121750irq/30-eth0_g0_10:23:341
121810ksoftirqd/1121650irq/29-eth0_g0_10:07:420
105502740sleep0121750irq/30-eth0_g0_09:05:040
150812720sleep1121750irq/30-eth0_g0_11:36:111
262392670sleep0121650irq/29-eth0_g0_12:22:370
121620ksoftirqd/1121750irq/30-eth0_g0_07:34:581
121610ksoftirqd/1121750irq/30-eth0_g0_10:44:531
121570ksoftirqd/1121750irq/30-eth0_g0_10:15:041
121570ksoftirqd/1121750irq/30-eth0_g0_08:49:581
243322560sleep1121750irq/30-eth0_g0_10:02:531
121560ksoftirqd/1121750irq/30-eth0_g0_11:45:011
121540ksoftirqd/1121750irq/30-eth0_g0_08:59:581
256442520sleep1121750irq/30-eth0_g0_10:08:531
121510ksoftirqd/1121650irq/29-eth0_g0_08:41:461
121500ksoftirqd/1121750irq/30-eth0_g0_11:59:521
121480ksoftirqd/1121750irq/30-eth0_g0_11:05:051
121480ksoftirqd/1121750irq/30-eth0_g0_08:10:030
121750470irq/30-eth0_g0_102492sleep111:17:071
121470ksoftirqd/1121750irq/30-eth0_g0_11:10:041
121750460irq/30-eth0_g0_1219-21kworker/1:210:39:561
121460ksoftirqd/1121750irq/30-eth0_g0_12:17:541
121460ksoftirqd/1121750irq/30-eth0_g0_09:55:041
121460ksoftirqd/1121650irq/29-eth0_g0_07:32:061
121650450irq/29-eth0_g0_1395299cyclictest10:49:520
192392440sleep0121750irq/30-eth0_g0_09:40:420
121750440irq/30-eth0_g0_1219-21kworker/1:212:06:311
121440ksoftirqd/1121750irq/30-eth0_g0_10:55:010
121750430irq/30-eth0_g0_1219-21kworker/1:210:32:201
121750430irq/30-eth0_g0_1219-21kworker/1:209:28:111
121650430irq/29-eth0_g0_19676-21/usr/sbin/munin09:45:010
121430ksoftirqd/1121750irq/30-eth0_g0_09:35:520
121430ksoftirqd/1121650irq/29-eth0_g0_08:36:471
121430ksoftirqd/1121650irq/29-eth0_g0_08:09:401
121430ksoftirqd/1121650irq/29-eth0_g0_07:23:041
121750420irq/30-eth0_g0_1219-21kworker/1:211:28:391
121750420irq/30-eth0_g0_1219-21kworker/1:211:04:011
121750420irq/30-eth0_g0_1219-21kworker/1:211:04:011
121750420irq/30-eth0_g0_1219-21kworker/1:210:13:061
121750420irq/30-eth0_g0_1219-21kworker/1:210:13:061
121750420irq/30-eth0_g0_1219-21kworker/1:209:39:061
121750420irq/30-eth0_g0_1219-21kworker/1:209:18:141
121650420irq/29-eth0_g0_27687-21unixbench_multi10:15:060
121650420irq/29-eth0_g0_21771-21/usr/sbin/munin12:04:540
121650420irq/29-eth0_g0_13440-21unixbench_multi07:05:040
121650420irq/29-eth0_g0_121ksoftirqd/109:54:500
121420ksoftirqd/1121750irq/30-eth0_g0_09:29:170
121650410irq/29-eth0_g0_13-21kworker/0:112:26:060
121650410irq/29-eth0_g0_121ksoftirqd/108:30:161
121410ksoftirqd/1121750irq/30-eth0_g0_11:40:041
121410ksoftirqd/1121650irq/29-eth0_g0_11:50:521
121410ksoftirqd/1121650irq/29-eth0_g0_11:46:280
121650400irq/29-eth0_g0_1964-21runrttasks10:00:410
121650400irq/29-eth0_g0_1964-21runrttasks09:17:140
121650400irq/29-eth0_g0_13-21kworker/0:111:13:240
121650400irq/29-eth0_g0_13-21kworker/0:110:24:560
121650400irq/29-eth0_g0_121ksoftirqd/112:33:570
121400ksoftirqd/1121650irq/29-eth0_g0_08:57:011
121750390irq/30-eth0_g0_1219-21kworker/1:212:31:591
121750390irq/30-eth0_g0_1219-21kworker/1:211:34:301
121650390irq/29-eth0_g0_1964-21runrttasks10:12:170
121650390irq/29-eth0_g0_1964-21runrttasks10:12:170
121650390irq/29-eth0_g0_1964-21runrttasks07:29:320
121650390irq/29-eth0_g0_1395299cyclictest09:21:100
121650390irq/29-eth0_g0_13-21kworker/0:110:38:500
121650390irq/29-eth0_g0_13-21kworker/0:110:31:560
121650390irq/29-eth0_g0_13-21kworker/0:109:34:350
121650390irq/29-eth0_g0_121ksoftirqd/109:12:510
121650390irq/29-eth0_g0_121ksoftirqd/109:12:510
121390ksoftirqd/1121650irq/29-eth0_g0_09:30:001
121750380irq/30-eth0_g0_1219-21kworker/1:212:11:041
121750380irq/30-eth0_g0_1219-21kworker/1:211:56:451
121750380irq/30-eth0_g0_1219-21kworker/1:211:56:451
121650380irq/29-eth0_g0_9248-21grep09:00:020
121650380irq/29-eth0_g0_7514-21unixbench_multi11:05:050
121650380irq/29-eth0_g0_25637-21sendmail_mailst07:55:030
121650380irq/29-eth0_g0_1650-21runrttasks10:42:110
121650380irq/29-eth0_g0_13-21kworker/0:112:37:070
121650380irq/29-eth0_g0_13-21kworker/0:112:10:510
121650380irq/29-eth0_g0_13-21kworker/0:111:40:230
121650380irq/29-eth0_g0_13-21kworker/0:111:37:230
121650380irq/29-eth0_g0_13-21kworker/0:111:16:240
121650380irq/29-eth0_g0_12161-21awk11:24:570
121650380irq/29-eth0_g0_121ksoftirqd/111:02:530
121650380irq/29-eth0_g0_121ksoftirqd/111:02:530
121380ksoftirqd/1121650irq/29-eth0_g0_07:54:491
121750370irq/30-eth0_g0_13-21kworker/0:110:20:330
121750370irq/30-eth0_g0_1219-21kworker/1:212:22:211
121750370irq/30-eth0_g0_1219-21kworker/1:210:55:471
121750370irq/30-eth0_g0_1219-21kworker/1:209:50:061
121750370irq/30-eth0_g0_1219-21kworker/1:209:40:321
121750370irq/30-eth0_g0_1219-21kworker/1:209:24:031
121650370irq/29-eth0_g0_31ksoftirqd/012:02:390
121650370irq/29-eth0_g0_1964-21runrttasks08:44:500
121650370irq/29-eth0_g0_1964-21runrttasks07:46:090
121650370irq/29-eth0_g0_1964-21runrttasks07:46:090
121650370irq/29-eth0_g0_13-21kworker/0:112:15:540
121370ksoftirqd/1121750irq/30-eth0_g0_07:45:041
121370ksoftirqd/1121750irq/30-eth0_g0_07:45:041
220202360sleep0121650irq/29-eth0_g0_09:54:320
121750360irq/30-eth0_g0_1964-21runrttasks11:21:501
121750360irq/30-eth0_g0_1219-21kworker/1:212:38:491
121750360irq/30-eth0_g0_1219-21kworker/1:210:36:151
121750360irq/30-eth0_g0_121ksoftirqd/110:51:091
121650360irq/29-eth0_g0_1964-21runrttasks07:42:570
121650360irq/29-eth0_g0_1964-21runrttasks07:32:330
121650360irq/29-eth0_g0_1964-21runrttasks07:12:490
121650360irq/29-eth0_g0_18609-21unixbench_singl11:50:050
121650360irq/29-eth0_g0_13-21kworker/0:111:54:470
121650360irq/29-eth0_g0_13-21kworker/0:111:54:470
121360ksoftirqd/1121650irq/29-eth0_g0_07:39:591
121750350irq/30-eth0_g0_1219-21kworker/1:209:49:141
121650350irq/29-eth0_g0_7860-21ps08:55:000
121650350irq/29-eth0_g0_685-21grep08:25:030
121650350irq/29-eth0_g0_4873-21latency_hist08:44:420
121650350irq/29-eth0_g0_31ksoftirqd/010:44:480
121650350irq/29-eth0_g0_1964-21runrttasks08:03:050
121650350irq/29-eth0_g0_15915-21unixbench_multi07:15:040
121650350irq/29-eth0_g0_0-21swapper/008:50:020
121350ksoftirqd/1121650irq/29-eth0_g0_08:20:371
121350ksoftirqd/1121650irq/29-eth0_g0_08:03:211
121650340irq/29-eth0_g0_27614-21df08:04:560
121650340irq/29-eth0_g0_23999-21runrttasks07:49:570
121650340irq/29-eth0_g0_2126-21lldpd08:32:350
121650340irq/29-eth0_g0_20839-21unixbench_multi07:35:020
121650340irq/29-eth0_g0_1964-21runrttasks08:21:410
121650340irq/29-eth0_g0_16569-21df07:19:550
121340ksoftirqd/1121650irq/29-eth0_g0_07:15:001
1395399332cyclictest5100-21df_inode08:44:541
1395399332cyclictest30746-21sshd08:15:141
1395399331cyclictest29394-21grep08:10:041
121750330irq/30-eth0_g0_32584-21df_abs08:24:541
121750330irq/30-eth0_g0_10539-21unixbench_singl09:05:041
121650330irq/29-eth0_g0_3116-21unixbench_multi08:35:030
121330ksoftirqd/1121650irq/29-eth0_g0_07:25:001
1395399321cyclictest23994-21sed07:49:571
121650320irq/29-eth0_g0_30267-21sort08:14:570
121650310irq/29-eth0_g0_14429-21ntpdc07:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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