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2026-08-29 - 15:03

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 Aug 29, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
59232740sleep1121750irq/30-eth0_g0_10:29:071
121670ksoftirqd/1121750irq/30-eth0_g0_09:07:090
34292610sleep1121750irq/30-eth0_g0_12:31:191
139842610sleep1121750irq/30-eth0_g0_08:51:041
216002600sleep1121750irq/30-eth0_g0_07:06:251
216002600sleep1121750irq/30-eth0_g0_07:06:251
235222530sleep1121750irq/30-eth0_g0_11:41:181
121480ksoftirqd/1121650irq/29-eth0_g0_11:50:111
121650470irq/29-eth0_g0_0-21swapper/007:16:280
121470ksoftirqd/1121650irq/29-eth0_g0_09:21:420
121750460irq/30-eth0_g0_121ksoftirqd/107:16:261
121460ksoftirqd/1121650irq/29-eth0_g0_08:10:591
247432450sleep0121650irq/29-eth0_g0_09:32:470
121750450irq/30-eth0_g0_121ksoftirqd/112:30:411
121450ksoftirqd/1121750irq/30-eth0_g0_10:40:571
121450ksoftirqd/1121650irq/29-eth0_g0_09:56:071
121450ksoftirqd/1121650irq/29-eth0_g0_08:43:451
158862440sleep1121750irq/30-eth0_g0_11:10:551
158862440sleep1121750irq/30-eth0_g0_11:10:551
121650440irq/29-eth0_g0_13-21kworker/0:110:01:170
121440ksoftirqd/1121750irq/30-eth0_g0_11:11:230
121440ksoftirqd/1121750irq/30-eth0_g0_11:11:230
121440ksoftirqd/1121750irq/30-eth0_g0_10:25:340
121440ksoftirqd/1121750irq/30-eth0_g0_10:11:581
121440ksoftirqd/1121650irq/29-eth0_g0_11:29:481
121440ksoftirqd/1121650irq/29-eth0_g0_07:56:371
121750430irq/30-eth0_g0_1219-21kworker/1:209:28:131
121650430irq/29-eth0_g0_13-21kworker/0:111:45:490
121650430irq/29-eth0_g0_0-21swapper/008:36:260
121430ksoftirqd/1121750irq/30-eth0_g0_10:04:001
121430ksoftirqd/1121650irq/29-eth0_g0_11:07:590
121430ksoftirqd/1121650irq/29-eth0_g0_11:07:590
2096499421cyclictest32571-21unixbench_multi12:16:261
121650420irq/29-eth0_g0_19821-21/usr/sbin/munin07:01:250
121650420irq/29-eth0_g0_13-21kworker/0:112:23:160
121420ksoftirqd/1121650irq/29-eth0_g0_09:46:001
324062410sleep032420-21unixbench_multi07:51:260
2096499412cyclictest268272sleep107:31:051
121750410irq/30-eth0_g0_31ksoftirqd/009:26:220
121750410irq/30-eth0_g0_121ksoftirqd/111:34:121
121650410irq/29-eth0_g0_13013-21grep10:56:270
121650410irq/29-eth0_g0_13-21kworker/0:112:30:410
121650410irq/29-eth0_g0_13-21kworker/0:111:04:150
121410ksoftirqd/1121650irq/29-eth0_g0_12:21:261
2096499407cyclictest121750irq/30-eth0_g0_12:14:411
2096499401cyclictest28421-21sort07:36:211
2096499401cyclictest2507-21grep08:01:281
121750400irq/30-eth0_g0_31ksoftirqd/011:47:330
121750400irq/30-eth0_g0_1219-21kworker/1:209:18:251
121750400irq/30-eth0_g0_121ksoftirqd/110:53:431
121750400irq/30-eth0_g0_121ksoftirqd/110:42:201
121650400irq/29-eth0_g0_31174-21unixbench_multi07:46:260
121650400irq/29-eth0_g0_31ksoftirqd/012:35:430
121650400irq/29-eth0_g0_26902-21cpu07:31:160
121650400irq/29-eth0_g0_20975-21df_abs11:31:160
121650400irq/29-eth0_g0_13-21kworker/0:112:17:360
121650400irq/29-eth0_g0_13-21kworker/0:112:15:330
121650400irq/29-eth0_g0_13-21kworker/0:112:09:560
121650400irq/29-eth0_g0_13-21kworker/0:110:20:180
121650400irq/29-eth0_g0_13-21kworker/0:109:16:270
121650400irq/29-eth0_g0_0-21swapper/008:41:220
121400ksoftirqd/1121650irq/29-eth0_g0_11:00:021
121400ksoftirqd/1121650irq/29-eth0_g0_09:51:261
121400ksoftirqd/1121650irq/29-eth0_g0_09:04:321
121400ksoftirqd/1121650irq/29-eth0_g0_07:43:211
2096499391cyclictest26487-21taskset11:51:261
2096499391cyclictest17663-21diskmemload09:09:411
121750390irq/30-eth0_g0_16537-21sendmail_mailqu11:11:271
121750390irq/30-eth0_g0_16537-21sendmail_mailqu11:11:271
121750390irq/30-eth0_g0_1219-21kworker/1:211:02:401
121750390irq/30-eth0_g0_1219-21kworker/1:210:23:051
121750390irq/30-eth0_g0_121ksoftirqd/109:34:501
121650390irq/29-eth0_g0_28721-21proc_pri12:01:230
121650390irq/29-eth0_g0_27174-21taskset09:42:320
121650390irq/29-eth0_g0_26207-21ntp_states11:51:220
121650390irq/29-eth0_g0_259052sleep109:37:031
121650390irq/29-eth0_g0_13-21kworker/0:111:39:410
121650390irq/29-eth0_g0_13-21kworker/0:111:25:060
121650390irq/29-eth0_g0_13-21kworker/0:110:38:040
121650390irq/29-eth0_g0_13-21kworker/0:110:33:150
121650390irq/29-eth0_g0_13-21kworker/0:110:07:030
121650390irq/29-eth0_g0_13-21kworker/0:109:57:170
121650390irq/29-eth0_g0_13-21kworker/0:109:46:180
121650390irq/29-eth0_g0_121ksoftirqd/111:20:351
121390ksoftirqd/1121750irq/30-eth0_g0_11:58:070
121390ksoftirqd/1121750irq/30-eth0_g0_10:55:440
121390ksoftirqd/1121750irq/30-eth0_g0_10:28:350
121390ksoftirqd/1121650irq/29-eth0_g0_10:33:491
2096499381cyclictest31848-21df_abs07:51:171
2096499381cyclictest29612-21df_abs12:06:151
2096499381cyclictest21749-21sort09:21:201
121750380irq/30-eth0_g0_1964-21runrttasks11:18:040
121750380irq/30-eth0_g0_1219-21kworker/1:209:11:131
121750380irq/30-eth0_g0_121ksoftirqd/110:16:441
121750380irq/30-eth0_g0_0-21swapper/112:03:151
121650380irq/29-eth0_g0_31ksoftirqd/009:13:330
121650380irq/29-eth0_g0_2096399cyclictest10:13:520
121650380irq/29-eth0_g0_13-21kworker/0:111:26:320
121380ksoftirqd/120717-21runrttasks07:03:211
121380ksoftirqd/1121650irq/29-eth0_g0_08:52:111
121380ksoftirqd/1121650irq/29-eth0_g0_08:37:371
121380ksoftirqd/1121650irq/29-eth0_g0_07:34:491
2096499371cyclictest10359-21latency_hist08:36:051
2096499371cyclictest10359-21latency_hist08:36:051
2096499371cyclictest0-21swapper/107:21:211
121750370irq/30-eth0_g0_1219-21kworker/1:211:56:511
121750370irq/30-eth0_g0_1219-21kworker/1:210:08:231
121750370irq/30-eth0_g0_121ksoftirqd/110:50:481
121650370irq/29-eth0_g0_9283-21grep10:41:270
121650370irq/29-eth0_g0_24476-21/usr/sbin/munin07:21:170
121650370irq/29-eth0_g0_13-21kworker/0:110:46:360
121650370irq/29-eth0_g0_0-21swapper/009:52:380
121370ksoftirqd/1121750irq/30-eth0_g0_09:36:580
2096499361cyclictest6632-21cat08:21:051
2096499361cyclictest27893-21cat09:46:211
2096499361cyclictest15308-21taskset08:56:161
121750360irq/30-eth0_g0_1219-21kworker/1:211:37:571
121650360irq/29-eth0_g0_7274-21sendmail_mailtr08:21:260
121650360irq/29-eth0_g0_4905-21unixbench_multi08:11:250
121650360irq/29-eth0_g0_3503-21proc_pri08:06:240
121650360irq/29-eth0_g0_28330-21chrt07:36:200
121650360irq/29-eth0_g0_1964-21runrttasks07:28:360
121650360irq/29-eth0_g0_15824-21/usr/sbin/munin08:56:240
121360ksoftirqd/1121750irq/30-eth0_g0_08:34:290
121360ksoftirqd/1121750irq/30-eth0_g0_08:34:290
121360ksoftirqd/1121750irq/30-eth0_g0_08:27:350
2096499353cyclictest7989-21cpu08:26:161
121750350irq/30-eth0_g0_0-21swapper/111:22:011
121650350irq/29-eth0_g0_23120-21latency_hist07:16:050
121650350irq/29-eth0_g0_14085-21cpu08:51:150
121650350irq/29-eth0_g0_0-21swapper/007:41:160
121350ksoftirqd/122778-21taskset07:12:271
121350ksoftirqd/1121650irq/29-eth0_g0_08:21:231
2096499341cyclictest308382sleep107:46:191
121650340irq/29-eth0_g0_2362-21sendmail_mailst08:01:270
121650340irq/29-eth0_g0_16837-21sort09:01:200
121650340irq/29-eth0_g0_13378-21seq08:46:260
121650340irq/29-eth0_g0_0-21swapper/008:16:200
121650340irq/29-eth0_g0_0-21swapper/007:57:090
121340ksoftirqd/1121750irq/30-eth0_g0_07:07:170
121340ksoftirqd/1121750irq/30-eth0_g0_07:07:170
2096499321cyclictest0-21swapper/108:12:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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