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2026-05-17 - 21:47

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 Sun May 17, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22912212196,19sleep30-21swapper/307:07:593
22907211694,16sleep00-21swapper/007:07:560
212852115104,6sleep20-21swapper/207:05:102
21279211390,18sleep10-21swapper/107:05:051
136342740,1sleep123-21ksoftirqd/108:05:121
9772720,0sleep20-21swapper/212:31:022
199562700,0sleep10-21swapper/109:57:411
306762570,1sleep10-21swapper/109:35:091
23099993532,2cyclictest0-21swapper/110:40:121
2310199255,18cyclictest0-21swapper/310:20:123
23101992319,2cyclictest0-21swapper/310:40:123
2310199220,20cyclictest0-21swapper/312:05:093
75292210,1sleep30-21swapper/310:19:433
2309999210,19cyclictest0-21swapper/108:55:111
100562210,1sleep30-21swapper/311:31:023
240272190,1sleep27115-21diskmemload11:11:062
23098991916,2cyclictest5256-21kworker/u8:207:52:040
23098991916,2cyclictest25630-21kworker/u8:012:26:050
23098991916,2cyclictest19107-21kworker/u8:008:19:050
23098991916,2cyclictest15426-21kworker/u8:010:08:060
23098991916,2cyclictest15157-21kworker/u8:209:19:050
2309899190,17cyclictest0-21swapper/010:38:050
23098991815,2cyclictest5256-21kworker/u8:208:32:000
23098991815,2cyclictest2293-21kworker/u8:012:15:050
23098991815,2cyclictest19565-21kworker/u8:010:40:060
23098991815,2cyclictest17287-21kworker/u8:107:44:030
2309899181,15cyclictest0-21swapper/012:11:040
2309899180,2cyclictest0-21swapper/011:25:050
2309899180,16cyclictest0-21swapper/012:32:020
2309899180,16cyclictest0-21swapper/011:10:050
2309899180,16cyclictest0-21swapper/009:47:030
23100991714,2cyclictest9403-21kworker/u8:010:23:042
23100991714,2cyclictest8477-21kworker/u8:212:11:052
23100991714,2cyclictest3675-21kworker/u8:111:25:052
23100991714,2cyclictest31726-21kworker/u8:109:12:062
23100991714,2cyclictest19565-21kworker/u8:010:38:052
2309999171,2cyclictest0-21swapper/112:11:091
23098991714,2cyclictest8477-21kworker/u8:211:33:050
23098991714,2cyclictest5256-21kworker/u8:208:21:050
23098991714,2cyclictest5256-21kworker/u8:207:55:040
23098991714,2cyclictest31726-21kworker/u8:108:52:010
23098991714,2cyclictest25630-21kworker/u8:012:24:050
23098991714,2cyclictest20712-21kworker/u8:109:44:050
23098991714,2cyclictest20712-21kworker/u8:109:37:040
23098991714,2cyclictest19107-21kworker/u8:009:00:050
23098991714,2cyclictest19107-21kworker/u8:008:58:040
23098991714,2cyclictest17287-21kworker/u8:107:29:040
23098991714,2cyclictest14672-21kworker/u8:210:30:040
2309899170,2cyclictest0-21swapper/010:23:040
2309899170,15cyclictest0-21swapper/012:39:040
2310199160,14cyclictest0-21swapper/312:30:113
23100991613,2cyclictest31726-21kworker/u8:108:54:042
23100991613,2cyclictest25630-21kworker/u8:012:39:052
23100991613,2cyclictest20712-21kworker/u8:109:47:042
23100991613,2cyclictest20564-21kworker/u8:212:23:042
2309999161,3cyclictest0-21swapper/107:10:151
2309999161,13cyclictest0-21swapper/108:00:201
23098991613,2cyclictest8124-21kworker/u8:011:17:050
23098991613,2cyclictest8124-21kworker/u8:010:55:040
23098991613,2cyclictest5256-21kworker/u8:208:35:050
23098991613,2cyclictest31581-21kworker/u8:007:38:040
23098991613,2cyclictest17287-21kworker/u8:107:18:030
2309899161,13cyclictest3728-21runrttasks09:55:400
2309899161,13cyclictest0-21swapper/011:20:160
2309899160,14cyclictest0-21swapper/011:36:050
2310199151,2cyclictest0-21swapper/311:55:133
23101991510,3cyclictest21440-21munin-node3
23101991510,3cyclictest13868-21ssh10:25:363
2310199150,13cyclictest0-21swapper/310:00:003
23100991512,2cyclictest8124-21kworker/u8:010:59:052
23100991512,2cyclictest7774-21kworker/u8:209:50:062
23100991512,2cyclictest31581-21kworker/u8:007:34:042
23100991512,2cyclictest19565-21kworker/u8:010:33:052
2309999151,3cyclictest13486-21ssh09:50:191
2309999150,13cyclictest0-21swapper/110:15:011
23098991512,2cyclictest20712-21kworker/u8:109:25:050
2309899150,2cyclictest0-21swapper/007:34:040
2309899150,13cyclictest11451-21munin-node0
2309899150,13cyclictest0-21swapper/010:50:060
2310199149,3cyclictest0-21swapper/308:36:023
23101991410,2cyclictest7115-21diskmemload10:00:123
2310199140,3cyclictest8792-21pzem_current09:45:183
2310199140,12cyclictest27523-21diskstats12:25:143
2310199140,12cyclictest17494-21ssh11:05:063
2310199140,12cyclictest0-21swapper/312:12:443
2310199140,12cyclictest0-21swapper/311:29:143
23100991411,2cyclictest8477-21kworker/u8:211:36:052
23100991411,2cyclictest31726-21kworker/u8:109:16:052
23100991411,2cyclictest31581-21kworker/u8:007:36:042
23100991411,2cyclictest26893-21kworker/u8:211:51:052
23100991411,2cyclictest2293-21kworker/u8:012:06:052
23100991411,2cyclictest19107-21kworker/u8:008:59:052
23100991411,2cyclictest17287-21kworker/u8:107:27:042
23100991411,2cyclictest17287-21kworker/u8:107:24:042
23100991411,2cyclictest15157-21kworker/u8:209:24:052
23100991411,2cyclictest14672-21kworker/u8:210:52:052
23100991411,2cyclictest10939-21kworker/u8:008:05:052
23100991411,2cyclictest10939-21kworker/u8:008:01:052
23100991411,2cyclictest0-21swapper/211:41:182
23100991411,2cyclictest0-21swapper/209:39:182
2310099140,13cyclictest0-21swapper/210:10:182
2310099140,13cyclictest0-21swapper/210:10:182
2310099140,13cyclictest0-21swapper/209:42:182
2310099140,13cyclictest0-21swapper/207:10:182
2310099140,12cyclictest28176-21sensors10:41:012
2310099140,12cyclictest0-21swapper/211:17:562
23099991411,2cyclictest0-21swapper/111:35:231
23099991411,2cyclictest0-21swapper/107:35:131
2309999141,11cyclictest3151-21nscd12:17:291
2309999140,3cyclictest10403-21munin-node1
2309999140,13cyclictest0-21swapper/112:26:031
2309999140,12cyclictest8330-21hddtemp_smartct09:45:131
2309999140,12cyclictest0-21swapper/111:44:531
2309999140,12cyclictest0-21swapper/110:30:411
23098991411,2cyclictest0-21swapper/009:10:110
2309899140,2cyclictest0-21swapper/009:51:050
2309899140,2cyclictest0-21swapper/009:24:040
2309899140,2cyclictest0-21swapper/008:05:040
2309899140,2cyclictest0-21swapper/007:24:040
2309899140,13cyclictest0-21swapper/010:46:040
2309899140,12cyclictest17156-21ssh11:04:540
228822140,3sleep20-21swapper/209:25:572
116952140,2sleep00-21swapper/012:08:050
52412130,2sleep20-21swapper/212:00:412
2310199132,8cyclictest0-21swapper/309:21:593
2310199132,6cyclictest0-21swapper/307:50:003
23101991310,2cyclictest7115-21diskmemload09:40:433
23101991310,2cyclictest0-21swapper/311:52:443
23101991310,2cyclictest0-21swapper/311:38:523
23101991310,2cyclictest0-21swapper/311:16:433
23101991310,2cyclictest0-21swapper/311:12:303
23101991310,2cyclictest0-21swapper/310:46:063
23101991310,2cyclictest0-21swapper/310:06:023
23101991310,2cyclictest0-21swapper/309:35:043
23101991310,2cyclictest0-21swapper/307:35:163
2310199130,2cyclictest7115-21diskmemload11:20:183
2310199130,2cyclictest0-21swapper/312:00:283
2310199130,2cyclictest0-21swapper/309:52:023
2310199130,2cyclictest0-21swapper/307:55:113
2310199130,2cyclictest0-21swapper/307:10:303
2310199130,1cyclictest0-21swapper/312:35:023
2310199130,12cyclictest0-21swapper/311:46:013
2310199130,12cyclictest0-21swapper/310:12:363
2310199130,12cyclictest0-21swapper/310:12:363
2310199130,12cyclictest0-21swapper/307:15:163
2310199130,11cyclictest0-21swapper/310:55:243
2310199130,11cyclictest0-21swapper/307:25:113
23100991310,2cyclictest5256-21kworker/u8:208:31:052
23100991310,2cyclictest5256-21kworker/u8:208:22:042
23100991310,2cyclictest5256-21kworker/u8:208:10:042
23100991310,2cyclictest31726-21kworker/u8:109:07:042
23100991310,2cyclictest19107-21kworker/u8:009:02:012
23100991310,2cyclictest17287-21kworker/u8:107:15:052
23100991310,2cyclictest0-21swapper/212:15:182
23100991310,2cyclictest0-21swapper/211:02:182
23100991310,2cyclictest0-21swapper/210:26:302
23100991310,2cyclictest0-21swapper/208:35:182
23100991310,2cyclictest0-21swapper/208:25:182
23100991310,2cyclictest0-21swapper/207:50:172
2310099130,2cyclictest0-21swapper/208:45:152
2310099130,12cyclictest0-21swapper/211:55:372
2310099130,11cyclictest7115-21diskmemload10:48:482
2309999138,3cyclictest8655-21tail12:05:111
2309999136,5cyclictest0-21swapper/111:27:471
2309999131,3cyclictest7679-21tr07:50:121
23099991310,2cyclictest0-21swapper/109:01:051
23099991310,2cyclictest0-21swapper/108:25:171
2309999130,2cyclictest0-21swapper/111:45:181
2309999130,12cyclictest0-21swapper/111:16:131
2309999130,12cyclictest0-21swapper/111:00:141
2309999130,12cyclictest0-21swapper/109:40:181
2309999130,12cyclictest0-21swapper/108:45:131
2309999130,11cyclictest0-21swapper/112:00:191
2309999130,11cyclictest0-21swapper/108:15:381
23098991310,2cyclictest7115-21diskmemload11:55:040
2309899130,2cyclictest23627-21sh10:01:060
2309899130,12cyclictest0-21swapper/011:41:310
2309899130,12cyclictest0-21swapper/010:10:010
2309899130,12cyclictest0-21swapper/010:10:000
2309899130,12cyclictest0-21swapper/008:40:280
2310199129,2cyclictest0-21swapper/309:31:023
2310199129,2cyclictest0-21swapper/309:11:033
2310199122,7cyclictest0-21swapper/308:08:593
2310199120,2cyclictest0-21swapper/312:20:163
2310199120,2cyclictest0-21swapper/310:30:493
2310199120,11cyclictest0-21swapper/312:15:203
2310199120,11cyclictest0-21swapper/311:41:103
2310199120,11cyclictest0-21swapper/311:00:523
2310199120,11cyclictest0-21swapper/310:50:213
2310199120,11cyclictest0-21swapper/310:38:193
2310199120,11cyclictest0-21swapper/309:15:293
2310199120,11cyclictest0-21swapper/307:51:553
2310099129,2cyclictest5256-21kworker/u8:207:48:042
2310099129,2cyclictest24117-21kworker/u8:110:05:052
2310099129,2cyclictest15649-21kworker/u8:112:27:052
2310099129,2cyclictest0-21swapper/211:05:512
2310099129,2cyclictest0-21swapper/209:31:552
2310099120,11cyclictest0-21swapper/211:45:212
2310099120,11cyclictest0-21swapper/211:32:202
2310099120,11cyclictest0-21swapper/211:20:282
2310099120,11cyclictest0-21swapper/210:15:292
2310099120,11cyclictest0-21swapper/209:55:172
2310099120,11cyclictest0-21swapper/208:41:002
2310099120,11cyclictest0-21swapper/208:15:102
2309999129,2cyclictest7115-21diskmemload09:27:141
2309999129,2cyclictest0-21swapper/112:22:521
2309999129,2cyclictest0-21swapper/110:25:371
2309999129,2cyclictest0-21swapper/110:06:071
2309999129,2cyclictest0-21swapper/110:01:481
2309999129,2cyclictest0-21swapper/109:31:531
2309999129,2cyclictest0-21swapper/109:20:481
2309999129,2cyclictest0-21swapper/109:10:151
2309999129,2cyclictest0-21swapper/107:40:161
2309999128,2cyclictest3990-21munin-node1
2309999127,3cyclictest0-21swapper/108:40:001
2309999122,8cyclictest27690-21df_abs07:20:131
2309999122,7cyclictest0-21swapper/107:28:591
2309999122,6cyclictest0-21swapper/108:10:001
2309999121,9cyclictest32499-21grep12:30:161
2309999121,6cyclictest30703-21copy10:10:011
2309999121,6cyclictest30703-21copy10:10:001
2309999121,3cyclictest9420-21munin-node1
2309999121,3cyclictest27546-21munin-node1
2309999121,3cyclictest27003-21apt-get11:50:121
2309999120,3cyclictest0-21swapper/108:50:131
2309999120,2cyclictest0-21swapper/109:17:221
2309999120,2cyclictest0-21swapper/109:05:291
2309999120,11cyclictest0-21swapper/111:56:181
2309999120,11cyclictest0-21swapper/111:10:151
2309999120,11cyclictest0-21swapper/111:06:381
2309999120,11cyclictest0-21swapper/110:49:331
2309999120,11cyclictest0-21swapper/110:23:221
2309999120,11cyclictest0-21swapper/107:15:181
2309999120,10cyclictest0-21swapper/110:35:181
2309899129,2cyclictest0-21swapper/011:07:090
2309899129,2cyclictest0-21swapper/009:34:350
2309899120,7cyclictest0-21swapper/008:10:040
2309899120,2cyclictest0-21swapper/012:04:350
2309899120,2cyclictest0-21swapper/008:49:040
2309899120,2cyclictest0-21swapper/007:48:040
2309899120,1cyclictest0-21swapper/011:45:170
2309899120,11cyclictest0-21swapper/011:50:390
2309899120,11cyclictest0-21swapper/010:28:210
2310199111,6cyclictest0-21swapper/308:10:123
2310199111,6cyclictest0-21swapper/307:21:003
2310199110,10cyclictest0-21swapper/309:02:573
2310199110,10cyclictest0-21swapper/308:25:563
2310199110,10cyclictest0-21swapper/307:40:563
2310099110,2cyclictest23810-21ssh10:01:242
2310099110,2cyclictest0-21swapper/207:41:052
2309999118,2cyclictest0-21swapper/110:56:311
2309999118,2cyclictest0-21swapper/110:50:251
2309999118,2cyclictest0-21swapper/108:30:381
2309999117,3cyclictest6212-21pzem_current07:45:191
2309999110,3cyclictest0-21swapper/107:31:001
2309999110,10cyclictest0-21swapper/111:20:421
2310199107,2cyclictest0-21swapper/308:15:103
2310199102,6cyclictest0-21swapper/309:09:583
2310199100,9cyclictest0-21swapper/308:32:573
2310199100,6cyclictest0-21swapper/308:01:043
2310199100,4cyclictest0-21swapper/308:51:043
2309999100,2cyclictest0-21swapper/108:20:161
2309899107,2cyclictest0-21swapper/009:05:190
2309899107,2cyclictest0-21swapper/007:10:140
2309899100,2cyclictest0-21swapper/010:15:430
231019996,2cyclictest0-21swapper/308:24:523
231019994,3cyclictest1408-21grep08:55:143
231019992,6cyclictest0-21swapper/307:30:593
230989994,3cyclictest21870-21df_abs08:25:140
231019981,5cyclictest28359-21cat08:40:143
231019980,7cyclictest0-21swapper/308:45:053
231009985,2cyclictest9954-21fschecks_time07:55:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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