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2026-06-17 - 14:21

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 highest latencies:
System rack3slot6s.osadl.org (updated Wed Jun 17, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32597211087,15sleep10-21swapper/107:05:001
2041210998,6sleep00-21swapper/007:08:400
2084210796,6sleep30-21swapper/307:09:103
1385210787,13sleep20-21swapper/207:05:362
38252830,0sleep30-21swapper/308:31:033
289662820,0sleep20-21swapper/209:55:252
261092700,0sleep20-21swapper/212:15:472
149872670,0sleep20-21swapper/210:51:452
12402270,0sleep20-21swapper/211:49:092
218199261,7cyclictest2099-21ssh11:50:113
217999260,2cyclictest0-21swapper/111:45:101
218199211,18cyclictest0-21swapper/310:45:113
217999211,2cyclictest0-21swapper/112:05:111
217999210,19cyclictest0-21swapper/111:50:101
2180992017,2cyclictest29319-21kworker/u8:212:26:052
2180991916,2cyclictest27354-21kworker/u8:210:48:042
2178991916,2cyclictest25753-21kworker/u8:109:58:050
242662170,0sleep30-21swapper/311:02:093
2180991714,2cyclictest8593-21kworker/u8:109:37:052
2180991714,2cyclictest3462-21kworker/u8:207:14:012
2180991714,2cyclictest27354-21kworker/u8:210:38:062
2180991714,2cyclictest20084-21kworker/u8:111:28:052
2180991714,2cyclictest18836-21kworker/u8:011:44:052
2180991714,2cyclictest18836-21kworker/u8:011:44:042
2180991714,2cyclictest1582-21kworker/u8:010:40:022
2180991714,2cyclictest12980-21kworker/u8:209:33:042
2180991714,2cyclictest12980-21kworker/u8:209:19:052
2178991714,2cyclictest3103-21kworker/u8:011:18:050
2181991612,2cyclictest0-21swapper/310:22:123
218199160,14cyclictest0-21swapper/309:21:023
2180991613,2cyclictest24268-21kworker/u8:008:01:052
2180991613,2cyclictest21795-21kworker/u8:010:24:012
2180991613,2cyclictest10188-21kworker/u8:010:16:022
2178991613,2cyclictest29236-21kworker/u8:109:28:050
2178991613,2cyclictest19260-21kworker/u8:309:50:060
2178991613,2cyclictest18836-21kworker/u8:011:36:050
2178991613,2cyclictest18836-21kworker/u8:011:36:040
2178991612,3cyclictest18836-21kworker/u8:011:34:050
251752150,0sleep10-21swapper/112:15:121
2181991512,2cyclictest0-21swapper/309:53:323
218199150,3cyclictest0-21swapper/308:25:133
2180991512,2cyclictest4733-21kworker/u8:110:29:052
2180991512,2cyclictest23423-21kworker/u8:112:31:052
2180991512,2cyclictest20084-21kworker/u8:112:00:052
2180991512,2cyclictest18425-21kworker/u8:007:53:042
2180991512,2cyclictest10822-21kworker/u8:212:12:062
218099150,3cyclictest370-21df_abs10:00:132
218099150,2cyclictest0-21swapper/211:36:052
218099150,2cyclictest0-21swapper/211:36:052
218099150,2cyclictest0-21swapper/211:18:052
217999152,10cyclictest0-21swapper/108:42:581
217999152,10cyclictest0-21swapper/107:39:591
2179991510,3cyclictest0-21swapper/107:25:181
2178991512,2cyclictest0-21swapper/009:41:540
217899150,2cyclictest0-21swapper/008:41:040
218199149,3cyclictest28524-21ssh12:19:233
218199149,3cyclictest13565-21latency08:55:153
218199149,3cyclictest12046-21ssh11:25:103
218199141,2cyclictest8422-21apt-get07:25:063
2181991411,2cyclictest18650-21diskmemload12:06:123
2181991411,2cyclictest0-21swapper/311:41:533
2181991411,2cyclictest0-21swapper/311:41:523
2181991411,2cyclictest0-21swapper/311:36:523
2181991411,2cyclictest0-21swapper/311:36:523
218199141,11cyclictest3728-21runrttasks10:43:213
2181991410,2cyclictest31380-21ssh09:58:483
218199140,2cyclictest0-21swapper/311:30:113
218199140,2cyclictest0-21swapper/309:31:323
218199140,12cyclictest26860-21ssh11:05:143
218199140,12cyclictest0-21swapper/310:35:533
218199140,12cyclictest0-21swapper/310:13:533
218199140,12cyclictest0-21swapper/309:45:163
2180991411,2cyclictest32521-21kworker/u8:208:43:042
2180991411,2cyclictest32521-21kworker/u8:208:36:052
2180991411,2cyclictest3103-21kworker/u8:011:20:012
2180991411,2cyclictest14901-21kworker/u8:207:41:052
2180991411,2cyclictest12980-21kworker/u8:208:58:022
2180991411,2cyclictest10822-21kworker/u8:212:07:052
2180991411,2cyclictest10188-21kworker/u8:010:11:052
2180991411,2cyclictest10169-21kworker/u8:007:28:012
218099140,7cyclictest0-21swapper/209:50:062
218099140,2cyclictest0-21swapper/211:34:052
218099140,13cyclictest0-21swapper/211:13:042
217999141,3cyclictest0-21swapper/110:30:591
217999141,2cyclictest16187-21apt-get11:30:071
2179991410,2cyclictest6929-21grep07:20:121
217999140,12cyclictest4973-21cpu08:35:121
217999140,12cyclictest18650-21diskmemload12:00:401
217999140,12cyclictest15375-21fschecks_time09:00:151
217999140,12cyclictest0-21swapper/109:16:001
2178991411,2cyclictest6912-21kworker/u8:110:45:040
2178991411,2cyclictest23397-21kworker/u8:009:16:050
2178991411,2cyclictest20084-21kworker/u8:111:13:040
2178991411,2cyclictest0-21swapper/011:44:540
2178991411,2cyclictest0-21swapper/011:44:540
2178991411,2cyclictest0-21swapper/011:05:140
2178991411,2cyclictest0-21swapper/009:05:180
2178991410,2cyclictest14301-21ssh10:51:020
217899140,13cyclictest13319-21ssh12:01:240
217899140,13cyclictest0-21swapper/012:13:440
217899140,13cyclictest0-21swapper/009:33:240
217899140,12cyclictest7821-21ssh10:08:200
217899140,12cyclictest3152-21nscd10:55:250
217899140,12cyclictest0-21swapper/012:23:410
217899140,12cyclictest0-21swapper/011:20:160
217899140,12cyclictest0-21swapper/009:11:540
38732130,1sleep0101ktimersoftd/007:11:030
22332130,1sleep00-21swapper/012:25:190
218199132,6cyclictest0-21swapper/312:01:583
218199131,10cyclictest0-21swapper/309:12:393
2181991310,2cyclictest0-21swapper/310:55:123
2181991310,2cyclictest0-21swapper/310:32:023
2181991310,2cyclictest0-21swapper/309:40:313
2181991310,2cyclictest0-21swapper/309:01:013
2181991310,2cyclictest0-21swapper/308:41:043
218199130,2cyclictest0-21swapper/310:53:233
218199130,2cyclictest0-21swapper/310:01:483
218199130,2cyclictest0-21swapper/309:26:123
218199130,12cyclictest0-21swapper/312:36:013
218199130,12cyclictest0-21swapper/312:11:123
218199130,12cyclictest0-21swapper/311:47:513
218199130,12cyclictest0-21swapper/307:20:063
218199130,11cyclictest30758-21ssh11:10:053
218199130,11cyclictest11920-21ssh09:36:453
218199130,11cyclictest0-21swapper/311:21:123
2180991310,2cyclictest27354-21kworker/u8:210:34:052
2180991310,2cyclictest2093-21kworker/u8:011:52:052
2180991310,2cyclictest19260-21kworker/u8:309:49:052
2180991310,2cyclictest14215-21ssh12:39:252
218099130,12cyclictest18650-21diskmemload09:27:142
217999138,3cyclictest6055-21expr12:30:111
217999138,3cyclictest14031-21ssh09:40:021
217999132,6cyclictest0-21swapper/108:45:011
217999132,6cyclictest0-21swapper/108:05:011
217999132,6cyclictest0-21swapper/108:05:001
217999131,10cyclictest10409-21munin-node1
2179991310,2cyclictest18650-21diskmemload09:35:071
2179991310,2cyclictest0-21swapper/111:56:401
2179991310,2cyclictest0-21swapper/111:43:151
2179991310,2cyclictest0-21swapper/111:43:141
2179991310,2cyclictest0-21swapper/111:25:421
2179991310,2cyclictest0-21swapper/111:15:291
2179991310,2cyclictest0-21swapper/111:11:181
2179991310,2cyclictest0-21swapper/111:03:051
2179991310,2cyclictest0-21swapper/110:15:161
2179991310,2cyclictest0-21swapper/110:05:341
2179991310,2cyclictest0-21swapper/109:46:071
217999130,2cyclictest22251-21ssh12:11:061
217999130,2cyclictest18650-21diskmemload09:33:241
217999130,2cyclictest0-21swapper/112:20:351
217999130,2cyclictest0-21swapper/111:07:091
217999130,2cyclictest0-21swapper/110:45:141
217999130,2cyclictest0-21swapper/110:42:201
217999130,2cyclictest0-21swapper/109:51:261
217999130,2cyclictest0-21swapper/109:12:101
217999130,12cyclictest0-21swapper/110:53:411
217999130,12cyclictest0-21swapper/108:10:201
217999130,11cyclictest0-21swapper/110:26:551
2178991310,2cyclictest19260-21kworker/u8:310:00:050
2178991310,2cyclictest0-21swapper/012:30:370
2178991310,2cyclictest0-21swapper/010:40:170
2178991310,2cyclictest0-21swapper/010:38:150
2178991310,2cyclictest0-21swapper/010:18:010
2178991310,2cyclictest0-21swapper/008:46:040
2178991310,2cyclictest0-21swapper/008:31:030
2178991310,2cyclictest0-21swapper/008:10:170
217899130,2cyclictest18650-21diskmemload11:55:370
217899130,2cyclictest18650-21diskmemload09:20:580
217899130,2cyclictest0-21swapper/012:16:150
217899130,2cyclictest0-21swapper/011:00:110
217899130,2cyclictest0-21swapper/009:45:140
217899130,12cyclictest0-21swapper/011:51:130
217899130,12cyclictest0-21swapper/010:30:570
217899130,12cyclictest0-21swapper/010:23:100
217899130,11cyclictest0-21swapper/012:06:330
119102130,2sleep00-21swapper/009:36:450
315922120,2sleep30-21swapper/312:21:583
218199129,2cyclictest0-21swapper/312:26:073
218199129,2cyclictest0-21swapper/311:15:033
218199129,2cyclictest0-21swapper/310:25:223
218199129,2cyclictest0-21swapper/310:15:233
218199129,2cyclictest0-21swapper/310:05:143
218199129,2cyclictest0-21swapper/307:15:163
218199122,7cyclictest0-21swapper/307:32:583
218199120,6cyclictest0-21swapper/308:05:013
218199120,2cyclictest0-21swapper/307:11:013
218199120,11cyclictest0-21swapper/311:58:143
218199120,11cyclictest0-21swapper/309:15:023
218199120,11cyclictest0-21swapper/307:45:163
218099129,2cyclictest32521-21kworker/u8:208:25:052
218099129,2cyclictest29319-21kworker/u8:212:24:052
218099129,2cyclictest24910-21kworker/u8:211:05:052
218099129,2cyclictest24268-21kworker/u8:008:17:042
218099129,2cyclictest15948-21kworker/u8:107:17:042
218099129,2cyclictest0-21swapper/207:55:122
218099120,2cyclictest0-21swapper/210:56:052
218099120,2cyclictest0-21swapper/209:21:032
217999129,2cyclictest0-21swapper/111:20:251
217999129,2cyclictest0-21swapper/109:21:281
217999127,3cyclictest23722-21latency08:00:161
217999127,3cyclictest0-21swapper/110:20:001
217999121,9cyclictest0-21swapper/110:10:111
217999121,9cyclictest0-21swapper/108:30:591
217999121,9cyclictest0-21swapper/108:25:181
217999120,3cyclictest0-21swapper/108:15:141
217999120,2cyclictest0-21swapper/111:36:151
217999120,2cyclictest0-21swapper/111:36:141
217999120,2cyclictest0-21swapper/110:38:001
217999120,11cyclictest0-21swapper/112:28:151
217999120,11cyclictest0-21swapper/110:55:261
217999120,11cyclictest0-21swapper/110:00:391
217999120,11cyclictest0-21swapper/109:55:521
217999120,11cyclictest0-21swapper/109:25:271
217999120,11cyclictest0-21swapper/107:41:021
217899129,2cyclictest15948-21kworker/u8:107:18:050
217899129,2cyclictest0-21swapper/011:45:280
217899129,2cyclictest0-21swapper/010:11:560
217899129,2cyclictest0-21swapper/007:20:180
217899120,11cyclictest0-21swapper/012:36:070
217899120,11cyclictest0-21swapper/011:27:010
217899120,11cyclictest0-21swapper/010:27:110
218199118,2cyclictest0-21swapper/309:05:123
218199118,2cyclictest0-21swapper/308:50:173
218199110,9cyclictest7891-21ssh12:31:203
218099118,2cyclictest27100-21kworker/u8:108:54:052
218099118,2cyclictest0-21swapper/209:43:072
218099110,2cyclictest0-21swapper/209:14:052
217999118,2cyclictest0-21swapper/107:45:171
217999118,2cyclictest0-21swapper/107:31:011
217999116,3cyclictest4557-21munin-node1
217999111,2cyclictest20953-21munin-node1
217999110,9cyclictest0-21swapper/109:05:101
217999110,9cyclictest0-21swapper/108:55:141
217999110,3cyclictest2392-21munin-node1
217999110,3cyclictest0-21swapper/108:20:151
217999110,3cyclictest0-21swapper/107:51:031
217899118,2cyclictest10169-21kworker/u8:007:38:050
217899118,2cyclictest0-21swapper/008:51:040
217899118,2cyclictest0-21swapper/008:20:180
64662100,2sleep00-21swapper/008:38:540
218199105,3cyclictest0-21swapper/308:16:033
218199102,5cyclictest0-21swapper/307:44:593
218199100,3cyclictest90122munin-node3
218099107,2cyclictest14901-21kworker/u8:207:47:052
218099107,2cyclictest0-21swapper/211:01:312
218099105,3cyclictest2850-21rsyslogd08:35:012
218099105,3cyclictest27368-21sed08:10:152
218099105,3cyclictest10211-21grep08:46:052
218099100,2cyclictest0-21swapper/209:09:042
217999106,2cyclictest11106-21tr08:50:131
217899107,2cyclictest12980-21kworker/u8:209:02:050
217899107,2cyclictest0-21swapper/007:28:160
217899101,7cyclictest13344-21perl08:55:120
21819994,3cyclictest32308-21timerandwakeup08:21:033
21819994,3cyclictest27066-21telnet08:10:133
21819994,3cyclictest13007-21grep07:35:143
21819994,3cyclictest0-21swapper/307:55:593
21819993,4cyclictest19051-21cut07:50:123
21819990,6cyclictest0-21swapper/308:36:003
21809994,3cyclictest87342chrt11:56:112
21809994,3cyclictest7069-21fschecks_count07:20:142
21809994,3cyclictest25870-21tr08:05:192
21809994,3cyclictest25870-21tr08:05:192
21809994,3cyclictest12842-21head07:35:142
21809994,3cyclictest0-21swapper/210:05:072
21809991,6cyclictest11553-21cut07:30:162
21809990,2cyclictest0-21swapper/209:02:052
21789996,2cyclictest20744-21kworker/u8:107:58:050
21789996,2cyclictest0-21swapper/008:08:350
21789996,2cyclictest0-21swapper/008:08:340
21789996,2cyclictest0-21swapper/007:54:550
21789996,2cyclictest0-21swapper/007:44:550
17178290,1sleep0101ktimersoftd/007:45:120
21819983,3cyclictest25074-21aten2.4_r3power08:05:143
21819983,3cyclictest25074-21aten2.4_r3power08:05:133
21809981,3cyclictest0-21swapper/208:20:022
21789985,2cyclictest20744-21kworker/u8:108:00:020
21789985,2cyclictest0-21swapper/008:25:310
21789980,7cyclictest0-21swapper/008:15:440
21789974,2cyclictest0-21swapper/007:30:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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