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2026-08-25 - 00:32

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, slot #6

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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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.
Unexpectedly long latencies may be caused by SMIs
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 376 highest latencies:
System rack3slot6s.osadl.org (updated Mon Aug 24, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25351211094,11sleep10-21swapper/107:08:531
25405210987,16sleep30-21swapper/307:09:353
25134210479,19sleep00-21swapper/007:06:040
24580210484,13sleep20-21swapper/207:05:182
83732800,0sleep30-21swapper/310:46:313
119802770,1sleep011983-21aten2.4_r3power12:30:120
266002750,1sleep2301ktimersoftd/210:32:272
206702740,2sleep3381ktimersoftd/309:53:563
166872710,1sleep10-21swapper/111:28:521
112832710,1sleep121-21rcuc/109:10:491
249532690,1sleep20-21swapper/211:36:322
145512510,1sleep00-21swapper/009:15:010
25469993514,19cyclictest2849-21rs:main3
25468992825,2cyclictest7827-21kworker/u8:010:28:052
2546699280,2cyclictest0-21swapper/009:00:120
172562280,0sleep30-21swapper/310:55:533
25467992724,2cyclictest26130-21kworker/u8:212:24:061
33502260,1sleep20-21swapper/212:20:492
2546899262,18cyclictest0-21swapper/212:35:052
2546899260,18cyclictest0-21swapper/211:18:062
25467992623,2cyclictest512-21kworker/u8:110:49:051
25467992623,2cyclictest12223-21kworker/u8:111:33:051
25468992522,2cyclictest14871-21kworker/u8:309:20:052
25467992522,2cyclictest27479-21kworker/u8:010:58:061
25467992522,2cyclictest27298-21kworker/u8:210:10:021
25467992522,2cyclictest24802-21kworker/u8:311:07:051
25467992522,2cyclictest14597-21kworker/u8:212:38:051
25467992522,2cyclictest14024-21kworker/u8:210:39:051
25468992421,2cyclictest24802-21kworker/u8:311:08:052
25468992421,2cyclictest12223-21kworker/u8:111:32:052
2546799242,18cyclictest23-21ksoftirqd/109:34:051
2546799242,18cyclictest23-21ksoftirqd/109:34:051
25467992421,2cyclictest3085-21kworker/u8:211:48:051
25467992421,2cyclictest24191-21kworker/u8:011:20:051
25467992419,4cyclictest9971-21kworker/u8:012:12:051
25468992320,2cyclictest6135-21kworker/u8:010:02:042
25468992320,2cyclictest6135-21kworker/u8:009:58:022
25468992320,2cyclictest6135-21kworker/u8:009:46:062
25468992320,2cyclictest3085-21kworker/u8:212:03:052
25468992320,2cyclictest27479-21kworker/u8:010:43:052
25468992320,2cyclictest27298-21kworker/u8:210:12:022
25468992320,2cyclictest19749-21kworker/u8:112:07:052
25468992320,2cyclictest14871-21kworker/u8:309:39:042
25468992320,2cyclictest14871-21kworker/u8:309:16:042
2546899230,18cyclictest0-21swapper/211:28:052
25467992320,2cyclictest7827-21kworker/u8:010:28:011
25468992219,2cyclictest512-21kworker/u8:110:45:052
25468992219,2cyclictest3085-21kworker/u8:211:51:042
25468992219,2cyclictest2525-21kworker/u8:110:18:052
25468992219,2cyclictest13862-21kworker/u8:108:06:052
25467992219,2cyclictest7827-21kworker/u8:010:24:051
25467992219,2cyclictest3085-21kworker/u8:212:00:051
25467992219,2cyclictest24462-21kworker/u8:209:48:051
25467992219,2cyclictest24462-21kworker/u8:209:29:051
25467992219,2cyclictest24191-21kworker/u8:011:14:051
25467992219,2cyclictest22199-21kworker/u8:110:33:051
25467992219,2cyclictest18407-21kworker/u8:109:51:051
25467992219,2cyclictest13722-21kworker/u8:211:03:051
2546799220,20cyclictest0-21swapper/111:59:051
2546799220,17cyclictest0-21swapper/110:52:041
257142210,0sleep30-21swapper/312:10:243
25468992118,2cyclictest7827-21kworker/u8:010:21:052
25468992118,2cyclictest30303-21kworker/u8:107:25:052
25468992118,2cyclictest25815-21kworker/u8:007:20:022
25468992118,2cyclictest24462-21kworker/u8:209:28:052
25468992118,2cyclictest18407-21kworker/u8:109:52:052
25467992118,2cyclictest9971-21kworker/u8:012:17:041
25467992118,2cyclictest9971-21kworker/u8:012:06:021
25467992118,2cyclictest6135-21kworker/u8:009:41:051
25467992118,2cyclictest512-21kworker/u8:110:41:051
25467992118,2cyclictest32425-21kworker/u8:112:30:051
25467992118,2cyclictest27298-21kworker/u8:210:09:051
25467992118,2cyclictest25504-21kworker/u8:008:41:051
25467992118,2cyclictest19756-21kworker/u8:207:28:041
25467992118,2cyclictest14871-21kworker/u8:309:22:051
25467992118,2cyclictest13862-21kworker/u8:108:09:041
2546799210,18cyclictest0-21swapper/111:39:051
25466992118,2cyclictest7028-21kworker/u8:012:35:050
266272200,1sleep00-21swapper/012:11:090
2546999200,18cyclictest0-21swapper/307:20:123
25468992017,2cyclictest30303-21kworker/u8:107:31:052
25468992017,2cyclictest13722-21kworker/u8:210:54:042
25468992017,2cyclictest11323-21kworker/u8:007:58:022
25467992017,2cyclictest19390-21kworker/u8:008:13:051
25467992017,2cyclictest14871-21kworker/u8:309:37:041
25467992017,2cyclictest1429-21kworker/u8:007:41:051
2546799200,2cyclictest0-21swapper/112:26:051
2546799200,18cyclictest0-21swapper/111:43:041
25466992017,2cyclictest6332-21kworker/u8:211:18:050
25466992017,2cyclictest17860-21kworker/u8:211:40:040
2546699201,2cyclictest0-21swapper/008:55:110
2546699200,2cyclictest0-21swapper/012:00:130
25468991916,2cyclictest27298-21kworker/u8:210:06:052
25468991916,2cyclictest25504-21kworker/u8:008:47:052
25468991916,2cyclictest19756-21kworker/u8:207:13:032
25468991916,2cyclictest12223-21kworker/u8:111:55:052
2546899190,2cyclictest17186-21kworker/2:210:38:052
2546899190,2cyclictest0-21swapper/212:19:042
2546899190,2cyclictest0-21swapper/212:13:052
2546899190,2cyclictest0-21swapper/211:40:052
2546899190,2cyclictest0-21swapper/209:42:062
25467991916,2cyclictest3216-21kworker/u8:108:57:051
25467991916,2cyclictest25815-21kworker/u8:007:18:021
2546799190,2cyclictest0-21swapper/110:19:051
2546799190,16cyclictest0-21swapper/108:36:051
89742180,0sleep30-21swapper/311:54:043
25468991815,2cyclictest3216-21kworker/u8:109:12:022
25468991815,2cyclictest3216-21kworker/u8:109:04:052
25468991815,2cyclictest29957-21kworker/u8:209:09:052
25468991815,2cyclictest19756-21kworker/u8:207:15:052
2546899180,2cyclictest0-21swapper/212:26:042
2546899180,2cyclictest0-21swapper/207:45:052
2546899180,17cyclictest0-21swapper/212:33:052
2546899180,16cyclictest0-21swapper/211:13:052
2546899180,16cyclictest0-21swapper/208:44:052
25467991815,2cyclictest3216-21kworker/u8:109:05:051
25467991815,2cyclictest30303-21kworker/u8:107:50:041
25467991815,2cyclictest30303-21kworker/u8:107:37:051
25467991815,2cyclictest25504-21kworker/u8:008:52:011
25467991815,2cyclictest25504-21kworker/u8:008:45:051
25467991815,2cyclictest1429-21kworker/u8:007:32:051
25467991815,2cyclictest13862-21kworker/u8:108:25:041
2546799180,2cyclictest0-21swapper/111:19:041
2546799180,2cyclictest0-21swapper/109:59:051
2546799180,2cyclictest0-21swapper/109:19:041
25466991815,2cyclictest6135-21kworker/u8:009:44:050
25466991815,2cyclictest12223-21kworker/u8:111:28:060
25468991714,2cyclictest1429-21kworker/u8:007:36:042
25468991714,2cyclictest13862-21kworker/u8:108:29:042
25467991714,2cyclictest3085-21kworker/u8:211:50:041
25467991714,2cyclictest19756-21kworker/u8:207:10:051
2546799170,2cyclictest0-21swapper/107:45:051
2546799170,14cyclictest0-21swapper/110:04:041
25468991613,2cyclictest3216-21kworker/u8:108:59:052
25468991613,2cyclictest13862-21kworker/u8:108:22:052
2546899160,2cyclictest0-21swapper/211:02:042
2546899160,2cyclictest0-21swapper/210:57:052
2546899160,2cyclictest0-21swapper/208:54:042
25467991613,2cyclictest13862-21kworker/u8:108:23:041
25466991613,2cyclictest6135-21kworker/u8:009:45:050
2546999151,12cyclictest16815-21munin-node3
25469991511,2cyclictest0-21swapper/311:04:463
2546999150,13cyclictest0-21swapper/308:40:153
25468991510,3cyclictest0-21swapper/208:30:182
2546899150,2cyclictest0-21swapper/211:45:052
2546899150,2cyclictest0-21swapper/209:33:052
2546899150,2cyclictest0-21swapper/209:33:052
2546899150,2cyclictest0-21swapper/208:12:052
25467991512,2cyclictest7353-21kworker/u8:208:02:041
25467991512,2cyclictest13862-21kworker/u8:108:31:041
25467991512,2cyclictest13862-21kworker/u8:108:18:051
25466991512,2cyclictest512-21kworker/u8:110:50:050
25466991512,2cyclictest2525-21kworker/u8:110:19:040
2546699150,13cyclictest0-21swapper/009:15:130
2546999149,2cyclictest0-21swapper/311:06:173
2546999140,13cyclictest0-21swapper/310:20:173
2546999140,12cyclictest3728-21runrttasks11:24:463
2546999140,12cyclictest30153-21sh10:03:223
25468991411,2cyclictest0-21swapper/207:40:592
2546899140,2cyclictest0-21swapper/211:21:192
2546899140,2cyclictest0-21swapper/208:38:052
25467991411,2cyclictest3216-21kworker/u8:109:00:021
2546799140,2cyclictest0-21swapper/107:55:151
2546799140,2cyclictest0-21swapper/107:23:051
25466991411,2cyclictest24191-21kworker/u8:011:30:050
25466991411,2cyclictest14871-21kworker/u8:309:38:020
25466991411,2cyclictest0-21swapper/010:43:180
2546699140,12cyclictest30197-21sh09:30:160
2546699140,12cyclictest30197-21sh09:30:150
2546699140,12cyclictest21629-21rm09:55:050
2546699140,12cyclictest21480-21ssh10:27:040
2546699140,12cyclictest0-21swapper/011:24:070
2546699140,12cyclictest0-21swapper/010:02:070
2546699140,12cyclictest0-21swapper/009:20:140
78202130,3sleep37419-21sendmail-mta07:45:133
2546999139,2cyclictest0-21swapper/311:33:573
2546999131,7cyclictest9538-21ssh09:10:003
2546999131,6cyclictest0-21swapper/308:00:003
2546999131,3cyclictest2997-21sh10:08:583
25469991310,2cyclictest0-21swapper/312:25:103
25469991310,2cyclictest0-21swapper/311:38:263
2546999130,12cyclictest0-21swapper/311:43:573
2546899130,2cyclictest0-21swapper/207:51:042
25466991310,2cyclictest7353-21kworker/u8:207:45:050
25466991310,2cyclictest3085-21kworker/u8:211:56:050
25466991310,2cyclictest27298-21kworker/u8:210:12:060
25466991310,2cyclictest26130-21kworker/u8:212:24:020
25466991310,2cyclictest23881-21munin-node0
25466991310,2cyclictest17893-21ssh10:56:140
25466991310,2cyclictest0-21swapper/012:07:150
25466991310,2cyclictest0-21swapper/011:48:180
25466991310,2cyclictest0-21swapper/011:35:500
25466991310,2cyclictest0-21swapper/010:45:060
25466991310,2cyclictest0-21swapper/010:23:380
25466991310,2cyclictest0-21swapper/009:25:550
25466991310,2cyclictest0-21swapper/008:45:320
25466991310,2cyclictest0-21swapper/007:20:150
2546699130,2cyclictest0-21swapper/010:36:140
2546699130,2cyclictest0-21swapper/010:30:330
2546699130,2cyclictest0-21swapper/008:05:180
2546699130,12cyclictest1307-21ssh12:19:370
2546699130,12cyclictest0-21swapper/012:25:540
2546999129,2cyclictest0-21swapper/312:30:183
2546999129,2cyclictest0-21swapper/311:26:453
2546999129,2cyclictest0-21swapper/310:35:063
2546999129,2cyclictest0-21swapper/310:15:573
2546999129,2cyclictest0-21swapper/310:11:153
2546999129,2cyclictest0-21swapper/309:55:073
2546999129,2cyclictest0-21swapper/308:25:163
2546999122,7cyclictest0-21swapper/309:21:593
2546999122,7cyclictest0-21swapper/308:54:593
2546999122,5cyclictest0-21swapper/308:14:593
2546999121,9cyclictest25855-21ssh10:31:183
2546999120,2cyclictest0-21swapper/311:55:483
2546999120,2cyclictest0-21swapper/311:45:113
2546999120,11cyclictest9532-21diskmemload11:10:153
2546999120,11cyclictest0-21swapper/312:05:183
2546999120,11cyclictest0-21swapper/310:43:473
2546899120,2cyclictest0-21swapper/208:16:032
2546699129,2cyclictest30303-21kworker/u8:107:38:060
2546699129,2cyclictest18129-21ssh09:50:390
2546699129,2cyclictest0-21swapper/011:50:110
2546699129,2cyclictest0-21swapper/011:01:420
2546699129,2cyclictest0-21swapper/010:06:470
2546699129,2cyclictest0-21swapper/009:05:160
2546699120,2cyclictest0-21swapper/011:10:050
2546699120,2cyclictest0-21swapper/008:35:130
2546699120,11cyclictest9532-21diskmemload11:05:110
2546699120,11cyclictest0-21swapper/008:11:030
141532120,2sleep30-21swapper/309:14:363
2546999118,2cyclictest0-21swapper/312:01:263
2546999116,3cyclictest3929-21munin-node3
2546999116,3cyclictest3690-21tr07:35:133
2546999116,3cyclictest23291-21grep08:21:033
2546999110,2cyclictest0-21swapper/310:52:073
2546999110,2cyclictest0-21swapper/307:40:103
2546899118,2cyclictest11323-21kworker/u8:008:00:052
2546699118,2cyclictest25504-21kworker/u8:008:44:040
2546699118,2cyclictest0-21swapper/008:23:400
2546699118,2cyclictest0-21swapper/008:02:100
2546699110,2cyclictest0-21swapper/007:43:150
2546699110,10cyclictest0-21swapper/008:15:500
2546699110,10cyclictest0-21swapper/007:54:190
2546699110,10cyclictest0-21swapper/007:26:080
2546999107,2cyclictest0-21swapper/312:16:323
2546999107,2cyclictest0-21swapper/308:00:153
2546999105,3cyclictest7913-21cut09:40:193
2546999105,3cyclictest31981-21tr07:25:143
2546999105,3cyclictest2850-21rsyslogd09:49:093
2546999105,3cyclictest13272-21sendmail-mta09:15:193
2546999104,4cyclictest5486-21cron09:00:003
2546999103,3cyclictest25049-21grep09:25:133
2546999101,5cyclictest0-21swapper/308:45:123
2546999101,3cyclictest1592-21munin-run09:35:013
2546999101,3cyclictest1592-21munin-run09:35:013
2546999100,8cyclictest0-21swapper/309:04:593
2546999100,2cyclictest0-21swapper/310:28:243
2546699107,2cyclictest0-21swapper/007:55:000
2546699107,2cyclictest0-21swapper/007:33:270
2546699107,2cyclictest0-21swapper/007:15:150
2546699104,5cyclictest0-21swapper/008:53:050
27914290,1sleep3381ktimersoftd/307:15:113
27428290,2sleep00-21swapper/007:14:330
254699995,2cyclictest20487-21ethtool08:15:163
254699994,3cyclictest26369-21cut08:30:153
254699994,3cyclictest1868-21ssh09:35:073
254699994,3cyclictest1688-21sh07:30:123
254699994,3cyclictest16848-21pzem_energy08:05:303
254699994,3cyclictest10547-21latency07:50:153
254699994,3cyclictest0-21swapper/307:10:133
254699993,4cyclictest2850-21rsyslogd08:35:013
254669996,2cyclictest0-21swapper/008:33:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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