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2026-06-17 - 17:53

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 Wed Jun 17, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2939521610sleep1121650irq/29-eth0_g0_11:20:101
121880ksoftirqd/1121750irq/30-eth0_g0_09:06:091
121880ksoftirqd/1121750irq/30-eth0_g0_09:06:091
121770ksoftirqd/1121750irq/30-eth0_g0_09:34:410
48372760sleep1121650irq/29-eth0_g0_09:39:451
121740ksoftirqd/1121750irq/30-eth0_g0_08:34:200
19672730sleep1121650irq/29-eth0_g0_11:41:111
272172650sleep1121650irq/29-eth0_g0_11:13:221
121650ksoftirqd/1121750irq/30-eth0_g0_12:11:060
158932630sleep1121650irq/29-eth0_g0_10:25:021
121620ksoftirqd/1121650irq/29-eth0_g0_10:07:330
326082560sleep0121750irq/30-eth0_g0_09:22:480
13762560sleep0121650irq/29-eth0_g0_09:27:300
121520ksoftirqd/1121750irq/30-eth0_g0_10:54:311
121510ksoftirqd/1121750irq/30-eth0_g0_09:01:170
121510ksoftirqd/1121650irq/29-eth0_g0_09:30:011
121510ksoftirqd/1121650irq/29-eth0_g0_08:56:291
121500ksoftirqd/1121750irq/30-eth0_g0_12:02:131
121490ksoftirqd/1121750irq/30-eth0_g0_10:20:061
121480ksoftirqd/1121750irq/30-eth0_g0_11:55:231
121470ksoftirqd/1121750irq/30-eth0_g0_12:15:421
121470ksoftirqd/1121750irq/30-eth0_g0_09:34:311
121460ksoftirqd/1121750irq/30-eth0_g0_12:29:221
121460ksoftirqd/1121750irq/30-eth0_g0_12:27:381
121460ksoftirqd/1121650irq/29-eth0_g0_08:16:011
121440ksoftirqd/1121750irq/30-eth0_g0_11:28:451
121440ksoftirqd/1121750irq/30-eth0_g0_10:44:051
121440ksoftirqd/1121750irq/30-eth0_g0_09:57:160
121440ksoftirqd/1121750irq/30-eth0_g0_09:57:160
121440ksoftirqd/1121750irq/30-eth0_g0_09:54:551
121440ksoftirqd/1121750irq/30-eth0_g0_09:54:551
121440ksoftirqd/1121650irq/29-eth0_g0_11:30:541
121440ksoftirqd/1121650irq/29-eth0_g0_10:39:201
112992440sleep1121650irq/29-eth0_g0_10:08:371
121750430irq/30-eth0_g0_1219-21kworker/1:211:53:511
121750430irq/30-eth0_g0_1219-21kworker/1:209:47:351
121750430irq/30-eth0_g0_1219-21kworker/1:209:22:401
121750430irq/30-eth0_g0_1219-21kworker/1:209:10:171
121650430irq/29-eth0_g0_31168-21cat07:04:230
121650430irq/29-eth0_g0_13-21kworker/0:112:14:140
121430ksoftirqd/1143972sleep008:09:090
121430ksoftirqd/1121750irq/30-eth0_g0_10:54:000
121430ksoftirqd/1121750irq/30-eth0_g0_10:14:301
121430ksoftirqd/1121650irq/29-eth0_g0_11:22:010
121430ksoftirqd/1121650irq/29-eth0_g0_10:49:511
121430ksoftirqd/1121650irq/29-eth0_g0_09:49:161
121430ksoftirqd/1121650irq/29-eth0_g0_09:30:340
121430ksoftirqd/1121650irq/29-eth0_g0_08:34:141
121430ksoftirqd/1121650irq/29-eth0_g0_07:44:161
3200399421cyclictest14981-21timerandwakeup08:09:221
121650420irq/29-eth0_g0_31ksoftirqd/010:19:110
121650420irq/29-eth0_g0_12114-21/usr/sbin/munin12:24:170
121650410irq/29-eth0_g0_31ksoftirqd/009:49:160
121650410irq/29-eth0_g0_13-21kworker/0:110:25:270
121650410irq/29-eth0_g0_121ksoftirqd/109:11:380
121410ksoftirqd/1121750irq/30-eth0_g0_09:24:101
121410ksoftirqd/1121650irq/29-eth0_g0_12:00:160
121410ksoftirqd/1121650irq/29-eth0_g0_07:29:181
3200399402cyclictest15707-21cat12:39:001
121750400irq/30-eth0_g0_2362-21chrt07:19:141
121650400irq/29-eth0_g0_31ksoftirqd/010:38:490
121650400irq/29-eth0_g0_31ksoftirqd/010:38:490
121650400irq/29-eth0_g0_1964-21runrttasks11:42:170
121650400irq/29-eth0_g0_1964-21runrttasks11:17:300
121650400irq/29-eth0_g0_1964-21runrttasks11:17:300
121650400irq/29-eth0_g0_13-21kworker/0:111:50:180
121400ksoftirqd/1121650irq/29-eth0_g0_10:09:151
3200399392cyclictest16733-21/usr/sbin/munin10:29:181
121750390irq/30-eth0_g0_1219-21kworker/1:212:20:291
121750390irq/30-eth0_g0_1219-21kworker/1:212:13:521
121750390irq/30-eth0_g0_121ksoftirqd/110:37:481
121750390irq/30-eth0_g0_121ksoftirqd/110:37:481
121750390irq/30-eth0_g0_0-21swapper/111:14:071
121750390irq/30-eth0_g0_0-21swapper/111:14:071
121650390irq/29-eth0_g0_31ksoftirqd/012:22:090
121650390irq/29-eth0_g0_13-21kworker/0:110:30:090
121650390irq/29-eth0_g0_13-21kworker/0:110:01:120
121650390irq/29-eth0_g0_13-21kworker/0:109:40:080
121650390irq/29-eth0_g0_13-21kworker/0:109:16:390
121390ksoftirqd/1121750irq/30-eth0_g0_12:36:590
121390ksoftirqd/1121750irq/30-eth0_g0_11:29:460
121390ksoftirqd/1121750irq/30-eth0_g0_11:26:130
121390ksoftirqd/1121750irq/30-eth0_g0_11:09:500
121390ksoftirqd/1121750irq/30-eth0_g0_11:04:060
121390ksoftirqd/1121750irq/30-eth0_g0_11:01:000
121390ksoftirqd/1121750irq/30-eth0_g0_10:17:410
121390ksoftirqd/1121750irq/30-eth0_g0_10:11:430
121390ksoftirqd/1121750irq/30-eth0_g0_09:45:020
121390ksoftirqd/1121750irq/30-eth0_g0_09:07:440
121390ksoftirqd/1121750irq/30-eth0_g0_09:07:440
121390ksoftirqd/1121750irq/30-eth0_g0_08:32:480
121390ksoftirqd/1121750irq/30-eth0_g0_08:16:370
121390ksoftirqd/1121750irq/30-eth0_g0_08:03:080
121390ksoftirqd/1121750irq/30-eth0_g0_07:56:050
121390ksoftirqd/1121750irq/30-eth0_g0_07:24:330
3200399382cyclictest4403-21taskset07:28:001
3200399381cyclictest12622sleep107:14:161
3200399381cyclictest12622sleep107:14:161
121750380irq/30-eth0_g0_32000-21munin-run07:09:011
121750380irq/30-eth0_g0_1219-21kworker/1:211:44:281
121750380irq/30-eth0_g0_1219-21kworker/1:209:59:281
121750380irq/30-eth0_g0_0-21swapper/111:34:051
121650380irq/29-eth0_g0_8035-21seq12:05:230
121650380irq/29-eth0_g0_13-21kworker/0:111:57:520
121650380irq/29-eth0_g0_13-21kworker/0:111:46:260
121650380irq/29-eth0_g0_13-21kworker/0:111:35:050
121380ksoftirqd/1121750irq/30-eth0_g0_12:29:260
121380ksoftirqd/1121750irq/30-eth0_g0_12:08:191
121380ksoftirqd/1121750irq/30-eth0_g0_10:47:400
3200399372cyclictest63372sleep107:34:211
3200399372cyclictest23936-21cat10:59:161
3200399372cyclictest11360-21unixbench_multi07:54:211
3200399371cyclictest9877-21taskset07:49:161
121750370irq/30-eth0_g0_1219-21kworker/1:211:08:241
121650370irq/29-eth0_g0_32497-21ntp_states07:09:180
121650370irq/29-eth0_g0_25739-21missed_timers08:54:140
121650370irq/29-eth0_g0_1964-21runrttasks08:06:360
121650370irq/29-eth0_g0_13-21kworker/0:110:39:110
121370ksoftirqd/1121750irq/30-eth0_g0_10:56:430
3200399362cyclictest270082sleep108:59:171
3200399362cyclictest23387-21ntp_states08:44:211
3200399361cyclictest30774-21open_inodes09:14:161
3200399361cyclictest18541-21ps08:24:211
121650360irq/29-eth0_g0_8519-21chrt07:44:150
121650360irq/29-eth0_g0_24748-21find08:49:200
121650360irq/29-eth0_g0_23240-21ls08:44:180
121650360irq/29-eth0_g0_1964-21runrttasks08:23:040
121650360irq/29-eth0_g0_1964-21runrttasks07:31:300
121360ksoftirqd/1121750irq/30-eth0_g0_08:41:250
121360ksoftirqd/1121750irq/30-eth0_g0_08:24:020
121360ksoftirqd/1121650irq/29-eth0_g0_08:32:201
3200399352cyclictest12411-21proc_pri07:59:191
3200399351cyclictest24275-21df_abs08:49:121
121750350irq/30-eth0_g0_335-21head07:09:231
121650350irq/29-eth0_g0_7247-21if_eth007:39:131
121650350irq/29-eth0_g0_1964-21runrttasks07:52:320
121350ksoftirqd/1121750irq/30-eth0_g0_07:34:020
121350ksoftirqd/1121750irq/30-eth0_g0_07:21:450
121350ksoftirqd/1121750irq/30-eth0_g0_07:15:380
121350ksoftirqd/1121750irq/30-eth0_g0_07:15:380
3200399341cyclictest171672sleep108:19:171
121650340irq/29-eth0_g0_1964-21runrttasks07:43:210
3200399331cyclictest217572sleep108:39:111
121650320irq/29-eth0_g0_14061-21runrttasks08:06:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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