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2026-07-21 - 04:33

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 Tue Jul 21, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3003821160sleep1121750irq/30-eth0_g0_00:33:561
2346621140sleep0121650irq/29-eth0_g0_21:57:230
283242640sleep0121650irq/29-eth0_g0_22:16:440
54602630sleep0121750irq/30-eth0_g0_20:42:540
204292630sleep0121650irq/29-eth0_g0_23:56:240
70182580sleep0121650irq/29-eth0_g0_23:02:310
121750540irq/30-eth0_g0_1416199cyclictest21:03:020
121750540irq/30-eth0_g0_1416199cyclictest21:03:020
121650520irq/29-eth0_g0_1416199cyclictest21:58:020
121650510irq/29-eth0_g0_1416199cyclictest22:08:020
121750500irq/30-eth0_g0_1416199cyclictest21:47:390
121490ksoftirqd/1121750irq/30-eth0_g0_21:41:161
140342480sleep1121650irq/29-eth0_g0_21:17:551
121480ksoftirqd/1121650irq/29-eth0_g0_22:43:001
121480ksoftirqd/1121650irq/29-eth0_g0_21:28:061
14161994711cyclictest13552-21load23:27:530
121650470irq/29-eth0_g0_1416199cyclictest22:21:190
121650470irq/29-eth0_g0_1416199cyclictest21:22:550
121650470irq/29-eth0_g0_1416199cyclictest20:23:000
121470ksoftirqd/1121750irq/30-eth0_g0_23:33:101
1416199461cyclictest17888-21latency_hist19:22:390
121650460irq/29-eth0_g0_1416199cyclictest23:25:060
121650460irq/29-eth0_g0_1416199cyclictest00:19:050
121460ksoftirqd/1121750irq/30-eth0_g0_20:40:431
1416199451cyclictest9007-21grep23:08:010
1416199451cyclictest9007-21grep23:08:010
121750450irq/30-eth0_g0_1416199cyclictest21:21:240
121650450irq/29-eth0_g0_1416199cyclictest23:07:330
121650450irq/29-eth0_g0_13150-21df_abs19:02:520
121450ksoftirqd/1121750irq/30-eth0_g0_22:53:540
121450ksoftirqd/1121750irq/30-eth0_g0_21:09:061
121450ksoftirqd/1121750irq/30-eth0_g0_21:09:061
1416199441cyclictest7033-21unixbench_multi20:48:010
1416199441cyclictest250302sleep000:13:010
1416199441cyclictest250302sleep000:13:010
1416199441cyclictest22032-21/usr/sbin/munin00:02:500
121750440irq/30-eth0_g0_13750-21runrttasks19:03:021
121650440irq/29-eth0_g0_1416199cyclictest22:45:300
121650440irq/29-eth0_g0_1416199cyclictest22:37:510
14161994325cyclictest0-21swapper/022:27:000
1416199432cyclictest121650irq/29-eth0_g0_19:42:590
1416199432cyclictest121650irq/29-eth0_g0_19:23:050
1416199431cyclictest3205-21processes20:33:000
1416199431cyclictest1964-21runrttasks22:30:580
1416199431cyclictest18782-21df_abs21:37:520
1416199431cyclictest121650irq/29-eth0_g0_21:07:550
1416199431cyclictest121650irq/29-eth0_g0_21:07:550
1416199431cyclictest121650irq/29-eth0_g0_20:55:050
121750430irq/30-eth0_g0_1219-21kworker/1:223:25:091
121650430irq/29-eth0_g0_1416199cyclictest00:07:560
121650430irq/29-eth0_g0_1416199cyclictest00:07:560
121430ksoftirqd/1121750irq/30-eth0_g0_23:03:371
121430ksoftirqd/1121750irq/30-eth0_g0_21:35:121
121430ksoftirqd/1121650irq/29-eth0_g0_23:40:401
121430ksoftirqd/1121650irq/29-eth0_g0_22:21:531
57412420sleep1121650irq/29-eth0_g0_22:56:561
1416199425cyclictest121650irq/29-eth0_g0_19:38:010
1416199421cyclictest20694-21df_abs23:57:500
1416199421cyclictest16507-21runrttasks21:27:550
1416199421cyclictest121650irq/29-eth0_g0_20:07:590
1416199421cyclictest10807-21/usr/sbin/munin23:17:550
121750420irq/30-eth0_g0_1219-21kworker/1:223:17:571
121650420irq/29-eth0_g0_1416199cyclictest21:52:370
121420ksoftirqd/1121750irq/30-eth0_g0_21:48:591
1416199416cyclictest121650irq/29-eth0_g0_20:37:540
1416199415cyclictest0-21swapper/023:45:380
1416199412cyclictest18177-21/usr/sbin/munin23:47:510
1416199412cyclictest121650irq/29-eth0_g0_19:33:030
1416199412cyclictest0-21swapper/022:32:560
14161994110cyclictest31478-21cpu20:17:500
1416199411cyclictest18129-21unixbench_singl21:33:020
1416199411cyclictest14886-21grep19:08:000
1416199411cyclictest13211-21unixbench_singl21:13:020
1416199411cyclictest121650irq/29-eth0_g0_19:27:530
121750410irq/30-eth0_g0_20882-21sshd21:45:531
121410ksoftirqd/1121650irq/29-eth0_g0_22:10:441
1416199402cyclictest121650irq/29-eth0_g0_20:13:020
1416199402cyclictest11216-21diskmemload23:12:540
14161994013cyclictest16015-21sendmail_mailqu19:13:000
14161994013cyclictest16015-21sendmail_mailqu19:13:000
1416199401cyclictest9310-21proc_pri20:57:570
1416199401cyclictest29127-21runrttasks00:32:370
1416199401cyclictest27856-21df_abs20:02:520
1416199401cyclictest27856-21df_abs20:02:520
1416199401cyclictest26909-21taskset19:57:550
1416199401cyclictest26909-21taskset19:57:550
1416199401cyclictest25111-21grep22:02:540
1416199401cyclictest25111-21grep22:02:540
1416199401cyclictest121650irq/29-eth0_g0_00:32:500
1416199401cyclictest0-21swapper/023:38:580
1416199401cyclictest0-21swapper/023:35:510
1416199401cyclictest0-21swapper/000:25:170
121750400irq/30-eth0_g0_1219-21kworker/1:222:42:321
121400ksoftirqd/1121650irq/29-eth0_g0_23:51:571
121400ksoftirqd/1121650irq/29-eth0_g0_23:43:121
121400ksoftirqd/1121650irq/29-eth0_g0_22:36:361
121400ksoftirqd/1121650irq/29-eth0_g0_20:25:261
121400ksoftirqd/1121650irq/29-eth0_g0_00:28:381
121400ksoftirqd/1121650irq/29-eth0_g0_00:01:151
1416199393cyclictest1549-21df_abs20:27:490
1416199392cyclictest121650irq/29-eth0_g0_19:52:480
1416199391cyclictest4074-21unixbench_multi22:48:000
1416199391cyclictest121650irq/29-eth0_g0_19:47:560
121750390irq/30-eth0_g0_1219-21kworker/1:223:55:021
121750390irq/30-eth0_g0_1219-21kworker/1:222:16:401
121390ksoftirqd/1121650irq/29-eth0_g0_23:29:151
121390ksoftirqd/1121650irq/29-eth0_g0_23:11:101
121390ksoftirqd/1121650irq/29-eth0_g0_23:11:101
121390ksoftirqd/1121650irq/29-eth0_g0_21:55:501
121390ksoftirqd/1121650irq/29-eth0_g0_21:13:021
121390ksoftirqd/1121650irq/29-eth0_g0_20:03:491
121390ksoftirqd/1121650irq/29-eth0_g0_20:03:491
121390ksoftirqd/1121650irq/29-eth0_g0_19:08:541
121390ksoftirqd/1121650irq/29-eth0_g0_00:20:151
1416299385cyclictest0-21swapper/119:45:001
121750380irq/30-eth0_g0_1219-21kworker/1:222:48:311
121750380irq/30-eth0_g0_1219-21kworker/1:221:23:111
121750380irq/30-eth0_g0_1219-21kworker/1:200:25:281
121750380irq/30-eth0_g0_1219-21kworker/1:200:13:181
121750380irq/30-eth0_g0_1219-21kworker/1:200:13:181
121380ksoftirqd/1121650irq/29-eth0_g0_22:58:461
121380ksoftirqd/1121650irq/29-eth0_g0_22:28:361
121380ksoftirqd/1121650irq/29-eth0_g0_22:25:001
121380ksoftirqd/1121650irq/29-eth0_g0_21:07:021
121380ksoftirqd/1121650irq/29-eth0_g0_21:07:021
121380ksoftirqd/1121650irq/29-eth0_g0_20:47:281
121380ksoftirqd/1121650irq/29-eth0_g0_20:37:311
121380ksoftirqd/1121650irq/29-eth0_g0_20:22:331
121380ksoftirqd/1121650irq/29-eth0_g0_20:08:281
121380ksoftirqd/1121650irq/29-eth0_g0_19:58:261
121380ksoftirqd/1121650irq/29-eth0_g0_19:58:261
121380ksoftirqd/1121650irq/29-eth0_g0_19:54:351
121380ksoftirqd/1121650irq/29-eth0_g0_19:50:031
121380ksoftirqd/1121650irq/29-eth0_g0_19:41:071
121380ksoftirqd/1121650irq/29-eth0_g0_19:26:511
121380ksoftirqd/1121650irq/29-eth0_g0_00:10:401
121380ksoftirqd/1121650irq/29-eth0_g0_00:10:401
121750370irq/30-eth0_g0_1219-21kworker/1:222:04:211
121750370irq/30-eth0_g0_1219-21kworker/1:222:04:211
121370ksoftirqd/1121650irq/29-eth0_g0_20:53:251
121370ksoftirqd/1121650irq/29-eth0_g0_20:14:201
121370ksoftirqd/1121650irq/29-eth0_g0_19:29:161
121750360irq/30-eth0_g0_1219-21kworker/1:221:57:481
1416299352cyclictest1964-21runrttasks21:00:571
121750350irq/30-eth0_g0_1964-21runrttasks19:20:451
121750350irq/30-eth0_g0_1219-21kworker/1:223:14:201
121750350irq/30-eth0_g0_1219-21kworker/1:200:02:441
1416299341cyclictest20628-21irqstats19:32:541
1416299341cyclictest1964-21runrttasks19:13:431
1416299341cyclictest1964-21runrttasks19:13:431
121330ksoftirqd/1121650irq/29-eth0_g0_20:47:541
1416299301cyclictest0-21swapper/120:31:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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