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2025-12-14 - 07:56

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 Sat Dec 13, 2025 13:37:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1211060ksoftirqd/1121550irq/30-eth0_g0_10:57:271
121890ksoftirqd/1121550irq/30-eth0_g0_11:56:541
121780ksoftirqd/1121550irq/30-eth0_g0_10:47:470
121780ksoftirqd/1121550irq/30-eth0_g0_08:38:530
121700ksoftirqd/1121550irq/30-eth0_g0_09:12:530
121680ksoftirqd/1121550irq/30-eth0_g0_11:14:140
121590ksoftirqd/1121550irq/30-eth0_g0_09:37:031
121570ksoftirqd/1121550irq/30-eth0_g0_11:12:371
216932560sleep1121550irq/30-eth0_g0_11:07:331
121560ksoftirqd/1121550irq/30-eth0_g0_11:49:460
121560ksoftirqd/1121550irq/30-eth0_g0_10:09:331
121560ksoftirqd/1121450irq/29-eth0_g0_11:26:311
47692550sleep1121550irq/30-eth0_g0_09:57:401
121550ksoftirqd/1121550irq/30-eth0_g0_10:22:491
121540ksoftirqd/1121550irq/30-eth0_g0_12:22:480
121550530irq/30-eth0_g0_2860199cyclictest09:29:591
121550530irq/30-eth0_g0_2860199cyclictest07:38:111
121530ksoftirqd/1121550irq/30-eth0_g0_10:31:531
121530ksoftirqd/1121550irq/30-eth0_g0_09:54:121
121550520irq/30-eth0_g0_2860199cyclictest10:46:401
121520ksoftirqd/1121450irq/29-eth0_g0_12:34:081
121520ksoftirqd/1121450irq/29-eth0_g0_12:34:081
121520ksoftirqd/1121450irq/29-eth0_g0_10:22:130
121510ksoftirqd/1121550irq/30-eth0_g0_10:56:380
121510ksoftirqd/1121450irq/29-eth0_g0_10:19:141
121450500irq/29-eth0_g0_2860199cyclictest11:22:041
121450500irq/29-eth0_g0_2860199cyclictest10:38:051
121450500irq/29-eth0_g0_2860199cyclictest10:02:441
121500ksoftirqd/1121550irq/30-eth0_g0_11:52:390
121500ksoftirqd/1121550irq/30-eth0_g0_11:52:390
121500ksoftirqd/1121550irq/30-eth0_g0_10:50:181
121500ksoftirqd/1121550irq/30-eth0_g0_10:50:181
121550490irq/30-eth0_g0_2860199cyclictest11:42:591
121490ksoftirqd/1121550irq/30-eth0_g0_11:38:481
294632480sleep0121550irq/30-eth0_g0_09:26:050
2860199481cyclictest127562sleep110:29:151
121450480irq/29-eth0_g0_2860199cyclictest10:10:211
121450480irq/29-eth0_g0_2860199cyclictest10:10:211
121450480irq/29-eth0_g0_28598-21munin-run07:10:000
121480ksoftirqd/1121550irq/30-eth0_g0_11:01:211
121470ksoftirqd/1121550irq/30-eth0_g0_12:16:161
121470ksoftirqd/1121550irq/30-eth0_g0_09:19:211
121470ksoftirqd/1121450irq/29-eth0_g0_12:08:041
121470ksoftirqd/1121450irq/29-eth0_g0_11:18:241
121470ksoftirqd/1121450irq/29-eth0_g0_08:52:431
2860199466cyclictest1221-21kworker/1:212:10:341
121450460irq/29-eth0_g0_13-21kworker/0:111:55:190
121460ksoftirqd/1121550irq/30-eth0_g0_09:31:060
121460ksoftirqd/1121550irq/30-eth0_g0_07:22:391
121460ksoftirqd/1121450irq/29-eth0_g0_10:51:480
121460ksoftirqd/1121450irq/29-eth0_g0_10:51:480
2860199451cyclictest94322chrt08:02:471
121550450irq/30-eth0_g0_2860199cyclictest09:45:301
121450ksoftirqd/1121550irq/30-eth0_g0_12:10:250
121450ksoftirqd/1121550irq/30-eth0_g0_11:52:381
121450ksoftirqd/1121550irq/30-eth0_g0_11:52:381
121450ksoftirqd/1121550irq/30-eth0_g0_11:49:301
121450ksoftirqd/1121450irq/29-eth0_g0_12:39:481
121450ksoftirqd/1121450irq/29-eth0_g0_10:32:570
121450ksoftirqd/1121450irq/29-eth0_g0_09:44:181
121450ksoftirqd/1121450irq/29-eth0_g0_09:10:521
121450ksoftirqd/1121450irq/29-eth0_g0_07:47:491
80472440sleep1121450irq/29-eth0_g0_07:57:461
2860199447cyclictest121550irq/30-eth0_g0_08:45:521
2860199442cyclictest23282-21runrttasks09:00:361
28601994419cyclictest0-21swapper/107:10:171
2860199441cyclictest9216-21missed_timers12:27:431
121440ksoftirqd/1121550irq/30-eth0_g0_07:57:420
121440ksoftirqd/1121450irq/29-eth0_g0_12:37:510
121440ksoftirqd/1121450irq/29-eth0_g0_11:34:441
2860199434cyclictest24712-21cpu09:07:371
2860199433cyclictest16153-21wc10:42:471
2860199431cyclictest18017-21unixbench_multi08:38:121
2860199431cyclictest121550irq/30-eth0_g0_08:22:171
121430ksoftirqd/1121550irq/30-eth0_g0_12:00:251
121430ksoftirqd/1121550irq/30-eth0_g0_10:40:340
121430ksoftirqd/1121550irq/30-eth0_g0_10:12:420
121430ksoftirqd/1121550irq/30-eth0_g0_10:12:420
121430ksoftirqd/1121550irq/30-eth0_g0_09:38:540
121430ksoftirqd/1121550irq/30-eth0_g0_09:30:591
121430ksoftirqd/1121450irq/29-eth0_g0_12:22:391
121430ksoftirqd/1121450irq/29-eth0_g0_12:07:560
121430ksoftirqd/1121450irq/29-eth0_g0_11:29:540
121430ksoftirqd/1121450irq/29-eth0_g0_10:05:510
2860199429cyclictest148762sleep108:27:371
2860199423cyclictest121550irq/30-eth0_g0_08:11:261
121420ksoftirqd/12860199cyclictest07:42:421
121420ksoftirqd/1121550irq/30-eth0_g0_11:33:310
121420ksoftirqd/1121550irq/30-eth0_g0_10:15:260
121420ksoftirqd/1121550irq/30-eth0_g0_09:21:531
2860199417cyclictest121550irq/30-eth0_g0_08:07:591
28601994128cyclictest6290-21/usr/sbin/munin07:52:461
28601994128cyclictest30124-21/usr/sbin/munin07:17:361
28601994128cyclictest30124-21/usr/sbin/munin07:17:361
2860199412cyclictest923-21runrttasks07:28:351
2860199412cyclictest121550irq/30-eth0_g0_08:30:291
2860199411cyclictest1776-21ntp_states07:32:461
121550410irq/30-eth0_g0_2860199cyclictest08:55:571
121550410irq/30-eth0_g0_28347-21head07:07:461
121550410irq/30-eth0_g0_22640-21ntp_states08:57:490
121450410irq/29-eth0_g0_6613-21taskset10:04:080
121450410irq/29-eth0_g0_13-21kworker/0:112:26:590
121410ksoftirqd/1121550irq/30-eth0_g0_11:42:420
121410ksoftirqd/1121550irq/30-eth0_g0_09:20:000
121410ksoftirqd/1121550irq/30-eth0_g0_09:10:000
2860199402cyclictest12202-21runrttasks08:15:031
2860199401cyclictest18773-21/usr/sbin/munin08:42:411
2860199401cyclictest18773-21/usr/sbin/munin08:42:411
121450400irq/29-eth0_g0_1941-21runrttasks11:22:150
121450400irq/29-eth0_g0_1941-21runrttasks08:26:330
121450400irq/29-eth0_g0_1941-21runrttasks08:05:040
121450400irq/29-eth0_g0_13-21kworker/0:111:35:230
121450400irq/29-eth0_g0_13-21kworker/0:109:46:570
121400ksoftirqd/1121550irq/30-eth0_g0_08:47:380
121400ksoftirqd/1121550irq/30-eth0_g0_07:27:400
121400ksoftirqd/1121550irq/30-eth0_g0_07:17:360
121400ksoftirqd/1121550irq/30-eth0_g0_07:17:360
121550390irq/30-eth0_g0_0-21swapper/008:17:460
121450390irq/29-eth0_g0_2860099cyclictest12:16:580
121450390irq/29-eth0_g0_22626-21munin-run11:09:590
121450390irq/29-eth0_g0_1941-21runrttasks11:18:560
121450390irq/29-eth0_g0_1941-21runrttasks07:45:550
121450390irq/29-eth0_g0_1941-21runrttasks07:38:590
121450390irq/29-eth0_g0_13-21kworker/0:111:00:380
121390ksoftirqd/1121550irq/30-eth0_g0_07:32:410
121550380irq/30-eth0_g0_1941-21runrttasks08:53:100
121550380irq/30-eth0_g0_16402-21chrt08:32:430
121550380irq/30-eth0_g0_0-21swapper/007:52:380
121550380irq/30-eth0_g0_0-21swapper/007:22:360
121450380irq/29-eth0_g0_1941-21runrttasks09:02:410
121450380irq/29-eth0_g0_1941-21runrttasks08:23:490
121450380irq/29-eth0_g0_13-21kworker/0:109:20:160
121450380irq/29-eth0_g0_12336-21runrttasks10:27:460
121450380irq/29-eth0_g0_1049-21iostat09:42:400
121380ksoftirqd/1121550irq/30-eth0_g0_12:34:140
121380ksoftirqd/1121550irq/30-eth0_g0_12:34:140
121450370irq/29-eth0_g0_5234-21chrt09:57:470
121450370irq/29-eth0_g0_29058-21df_inode07:12:400
121450370irq/29-eth0_g0_2860099cyclictest09:53:370
121450370irq/29-eth0_g0_13-21kworker/0:112:03:280
121450370irq/29-eth0_g0_13-21kworker/0:110:36:460
121550360irq/30-eth0_g0_0-21swapper/008:01:570
121450360irq/29-eth0_g0_4144-21cat07:42:430
121450360irq/29-eth0_g0_1941-21runrttasks08:42:490
121450360irq/29-eth0_g0_1941-21runrttasks08:42:490
121450360irq/29-eth0_g0_11197-21/usr/sbin/munin08:12:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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