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2025-12-28 - 18:11

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 Sun Dec 28, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17826211997,15sleep30-21swapper/307:05:133
19567211292,15sleep00-21swapper/007:09:350
19284211087,18sleep10-21swapper/107:05:551
1520921090,4sleep01962899cyclictest08:15:240
18849210895,6sleep20-21swapper/207:05:232
80192490,1sleep28023-21fschecks_time12:20:152
19629993214,16cyclictest0-21swapper/107:10:121
1963099221,19cyclictest0-21swapper/209:30:122
1963199200,18cyclictest21285-21ssh09:30:123
1963099200,2cyclictest0-21swapper/211:35:112
1962899200,2cyclictest0-21swapper/011:35:110
1962899200,19cyclictest0-21swapper/010:30:110
55622190,0sleep00-21swapper/009:10:410
19630991916,2cyclictest15340-21kworker/u8:212:34:052
1963099190,14cyclictest0-21swapper/212:35:042
1962899190,18cyclictest0-21swapper/011:00:140
139882190,2sleep013987-21kernelversion10:35:190
102832190,0sleep00-21swapper/011:08:420
1963199180,12cyclictest0-21swapper/311:18:053
19630991815,2cyclictest2421-21kworker/u8:111:04:052
19630991815,2cyclictest21404-21kworker/u8:112:00:052
19631991714,2cyclictest23143-21kworker/u8:209:42:053
1963199170,12cyclictest0-21swapper/310:04:053
19630991714,2cyclictest32563-21kworker/u8:010:25:052
1963199162,2cyclictest0-21swapper/312:22:053
19631991611,3cyclictest0-21swapper/309:15:253
1963199160,14cyclictest3587-21diskmemload09:50:083
1963199160,14cyclictest0-21swapper/310:50:133
19630991613,2cyclictest6332-21kworker/u8:109:53:052
19630991613,2cyclictest19941-21kworker/u8:007:15:052
19630991613,2cyclictest19897-21kworker/u8:012:09:042
19630991613,2cyclictest19897-21kworker/u8:011:56:052
1963099160,14cyclictest0-21swapper/209:39:052
1962999169,6cyclictest0-21swapper/107:30:161
1962999160,14cyclictest3587-21diskmemload09:39:131
19631991512,2cyclictest31420-21kworker/u8:211:38:053
19631991512,2cyclictest26190-21kworker/u8:111:26:053
19631991512,2cyclictest26190-21kworker/u8:111:26:043
19631991512,2cyclictest26173-21kworker/u8:110:16:043
19631991512,2cyclictest23143-21kworker/u8:209:47:043
1963199151,12cyclictest0-21swapper/311:43:013
19631991510,3cyclictest26474-21perl07:25:133
1963199150,13cyclictest0-21swapper/310:41:173
1963099151,3cyclictest30291-21munin-run10:55:002
19630991512,2cyclictest3931-21kworker/u8:109:18:042
19630991512,2cyclictest23645-21kworker/u8:107:20:052
19630991512,2cyclictest21690-21kworker/u8:108:46:052
19630991512,2cyclictest21329-21kworker/u8:210:09:052
19630991512,2cyclictest0-21swapper/210:37:382
19630991510,3cyclictest28039-21ssh10:15:022
19630991510,3cyclictest0-21swapper/210:44:322
1963099150,2cyclictest0-21swapper/210:59:182
1963099150,13cyclictest0-21swapper/209:45:222
19629991511,2cyclictest0-21swapper/110:22:331
1962999150,13cyclictest3587-21diskmemload12:00:131
1962999150,13cyclictest0-21swapper/111:55:131
1962999150,13cyclictest0-21swapper/110:46:131
1962999150,13cyclictest0-21swapper/110:42:361
1962999150,13cyclictest0-21swapper/109:50:121
118702150,3sleep00-21swapper/008:10:010
1963199149,3cyclictest21588-21ps12:35:223
19631991411,2cyclictest6332-21kworker/u8:110:05:053
19631991411,2cyclictest6280-21kworker/u8:210:26:053
19631991411,2cyclictest32563-21kworker/u8:010:23:043
19631991411,2cyclictest11704-21kworker/u8:309:22:053
19631991411,2cyclictest0-21swapper/307:35:283
19631991411,2cyclictest0-21swapper/307:35:273
1963199140,2cyclictest0-21swapper/308:20:133
1963199140,12cyclictest3587-21diskmemload11:08:053
1963199140,12cyclictest3587-21diskmemload10:45:193
1963199140,12cyclictest0-21swapper/312:26:063
1963199140,12cyclictest0-21swapper/312:18:373
1963199140,12cyclictest0-21swapper/310:56:473
1963199140,12cyclictest0-21swapper/310:35:333
1963199140,12cyclictest0-21swapper/310:34:483
1963199140,12cyclictest0-21swapper/309:25:053
1963099149,3cyclictest16978-21needreboot08:20:182
1963099149,3cyclictest0-21swapper/210:11:142
1963099148,4cyclictest10503-21fschecks_count08:05:152
1963099142,7cyclictest0-21swapper/211:35:012
1963099142,7cyclictest0-21swapper/209:10:002
1963099142,7cyclictest0-21swapper/207:15:002
19630991411,2cyclictest6332-21kworker/u8:109:56:052
19630991411,2cyclictest32563-21kworker/u8:010:22:052
19630991411,2cyclictest27632-21kworker/u8:207:33:052
19630991411,2cyclictest25671-21kworker/u8:009:26:052
19630991411,2cyclictest23143-21kworker/u8:209:40:042
19630991411,2cyclictest2239-21kworker/u8:312:17:042
19630991411,2cyclictest2043-21kworker/u8:008:26:042
1963099141,11cyclictest8916-21ssh10:30:112
19630991410,2cyclictest218672chrt11:21:032
1963099140,2cyclictest0-21swapper/211:54:182
1963099140,2cyclictest0-21swapper/208:35:182
1963099140,12cyclictest0-21swapper/211:08:302
1963099140,12cyclictest0-21swapper/209:10:142
19629991411,2cyclictest3587-21diskmemload12:16:101
19629991411,2cyclictest0-21swapper/110:50:511
19629991411,2cyclictest0-21swapper/110:03:531
19629991411,2cyclictest0-21swapper/109:15:231
19629991410,3cyclictest0-21swapper/107:55:461
1962999140,12cyclictest640-21diskmemload10:57:111
1962999140,12cyclictest3587-21diskmemload11:28:011
1962999140,12cyclictest3587-21diskmemload11:28:011
1962999140,12cyclictest3587-21diskmemload11:11:531
1962999140,12cyclictest21107-21cut12:35:171
1962999140,12cyclictest0-21swapper/111:50:151
1962999140,12cyclictest0-21swapper/111:02:191
1962999140,12cyclictest0-21swapper/110:32:441
1962999140,12cyclictest0-21swapper/110:09:131
1962999140,12cyclictest0-21swapper/109:55:061
1962999140,12cyclictest0-21swapper/109:10:331
19628991411,2cyclictest6603-21munin-node0
19628991411,2cyclictest0-21swapper/012:30:240
1962899140,3cyclictest29345-21python10:15:250
1962899140,12cyclictest3587-21diskmemload10:59:250
1962899140,12cyclictest3587-21diskmemload10:00:280
1962899140,12cyclictest28131-21ssh11:29:350
1962899140,12cyclictest28131-21ssh11:29:350
1962899140,12cyclictest12578-21munin-node0
1962899140,12cyclictest0-21swapper/012:13:550
1962899140,12cyclictest0-21swapper/009:35:280
79052130,1sleep1221ktimersoftd/112:20:141
320872130,2sleep13587-21diskmemload09:41:301
311902130,2sleep10-21swapper/110:18:131
247162130,2sleep00-21swapper/012:01:460
1963199138,2cyclictest0-21swapper/309:35:283
1963199132,7cyclictest0-21swapper/308:20:013
19631991310,2cyclictest0-21swapper/312:31:583
19631991310,2cyclictest0-21swapper/312:03:153
19631991310,2cyclictest0-21swapper/311:23:473
19631991310,2cyclictest0-21swapper/309:58:583
1963199130,2cyclictest0-21swapper/312:11:383
1963199130,2cyclictest0-21swapper/311:45:063
1963199130,2cyclictest0-21swapper/311:31:083
1963199130,12cyclictest0-21swapper/312:05:163
1963199130,12cyclictest0-21swapper/310:12:263
1963199130,11cyclictest0-21swapper/311:55:043
1963099132,6cyclictest0-21swapper/210:05:012
1963099132,6cyclictest0-21swapper/209:00:002
19630991310,2cyclictest9841-21kworker/u8:108:10:052
19630991310,2cyclictest21690-21kworker/u8:108:57:042
19630991310,2cyclictest21690-21kworker/u8:108:50:042
19630991310,2cyclictest21690-21kworker/u8:108:41:052
19630991310,2cyclictest10337-21kworker/u8:011:10:052
19630991310,2cyclictest0-21swapper/207:50:202
1963099130,2cyclictest0-21swapper/212:13:052
1963099130,2cyclictest0-21swapper/211:45:002
1963099130,12cyclictest0-21swapper/212:27:392
19629991310,2cyclictest3587-21diskmemload09:27:521
19629991310,2cyclictest0-21swapper/111:05:111
19629991310,2cyclictest0-21swapper/110:37:501
19629991310,2cyclictest0-21swapper/110:11:501
19629991310,2cyclictest0-21swapper/109:47:101
19629991310,2cyclictest0-21swapper/109:32:531
1962999130,2cyclictest0-21swapper/112:30:171
1962999130,2cyclictest0-21swapper/112:05:211
1962999130,2cyclictest0-21swapper/111:48:371
1962999130,2cyclictest0-21swapper/111:40:121
1962999130,2cyclictest0-21swapper/111:30:301
1962999130,2cyclictest0-21swapper/111:21:361
1962999130,2cyclictest0-21swapper/111:15:331
1962999130,12cyclictest0-21swapper/112:11:221
1962999130,12cyclictest0-21swapper/111:35:331
1962999130,12cyclictest0-21swapper/110:26:331
1962999130,12cyclictest0-21swapper/109:20:151
1962899133,8cyclictest8581-21pzem_energy12:20:200
19628991310,2cyclictest773-21pzem_current09:00:200
19628991310,2cyclictest0-21swapper/011:57:350
19628991310,2cyclictest0-21swapper/011:54:140
19628991310,2cyclictest0-21swapper/011:48:550
19628991310,2cyclictest0-21swapper/010:52:040
19628991310,2cyclictest0-21swapper/010:46:540
19628991310,2cyclictest0-21swapper/009:45:040
19628991310,2cyclictest0-21swapper/007:45:120
19628991310,2cyclictest0-21swapper/007:20:310
1962899130,2cyclictest5129-21ssh12:16:290
1962899130,2cyclictest1927-21sh10:21:050
1962899130,2cyclictest0-21swapper/012:25:200
1962899130,2cyclictest0-21swapper/009:16:340
1962899130,12cyclictest0-21swapper/011:16:240
1962899130,12cyclictest0-21swapper/010:27:440
1962899130,12cyclictest0-21swapper/009:58:290
1962899130,12cyclictest0-21swapper/009:30:430
1962899130,11cyclictest0-21swapper/012:05:080
1962899130,11cyclictest0-21swapper/011:24:300
1962899130,11cyclictest0-21swapper/011:13:230
1962899130,11cyclictest0-21swapper/009:54:440
1963199129,2cyclictest0-21swapper/308:25:223
1963199129,2cyclictest0-21swapper/307:55:153
1963199122,7cyclictest0-21swapper/308:03:593
1963199122,7cyclictest0-21swapper/307:55:013
1963199122,7cyclictest0-21swapper/307:31:023
1963199120,2cyclictest0-21swapper/308:40:203
1963199120,2cyclictest0-21swapper/307:45:153
1963199120,11cyclictest0-21swapper/311:50:223
1963199120,11cyclictest0-21swapper/311:00:033
1963199120,11cyclictest0-21swapper/309:10:073
1963199120,11cyclictest0-21swapper/309:00:283
1963199120,11cyclictest0-21swapper/307:40:153
1963199120,11cyclictest0-21swapper/307:20:243
1963199120,10cyclictest3587-21diskmemload11:10:023
1963099129,2cyclictest30053-21kworker/u8:107:47:052
1963099129,2cyclictest2043-21kworker/u8:008:30:052
1963099129,2cyclictest0-21swapper/211:25:192
1963099129,2cyclictest0-21swapper/211:25:192
1963099129,2cyclictest0-21swapper/210:45:172
1963099122,7cyclictest0-21swapper/209:20:002
1963099122,7cyclictest0-21swapper/208:00:592
1963099120,2cyclictest0-21swapper/208:15:132
1963099120,11cyclictest0-21swapper/211:45:112
1963099120,11cyclictest0-21swapper/211:15:292
1962999129,2cyclictest0-21swapper/107:20:191
1962999129,2cyclictest0-21swapper/107:15:141
1962999122,7cyclictest7427-21metacity07:46:591
1962999122,7cyclictest0-21swapper/108:59:591
1962999122,7cyclictest0-21swapper/108:20:591
1962999120,2cyclictest0-21swapper/108:25:211
1962999120,11cyclictest0-21swapper/108:35:211
1962999120,10cyclictest12384-21fschecks_time12:25:171
1962999120,10cyclictest0-21swapper/107:40:211
1962899129,2cyclictest0-21swapper/010:40:540
1962899129,2cyclictest0-21swapper/009:40:180
1962899122,7cyclictest0-21swapper/011:30:020
1962899120,2cyclictest0-21swapper/012:35:550
1962899120,2cyclictest0-21swapper/011:42:230
1962899120,2cyclictest0-21swapper/009:25:340
1962899120,11cyclictest0-21swapper/010:10:220
1962899120,11cyclictest0-21swapper/010:05:200
1962899120,11cyclictest0-21swapper/008:50:150
1962899120,11cyclictest0-21swapper/008:30:140
1962899120,11cyclictest0-21swapper/007:25:230
90962110,1sleep121-21rcuc/108:00:231
1963199118,2cyclictest28910-21kworker/u8:307:18:053
1963199118,2cyclictest0-21swapper/309:05:153
1963199112,7cyclictest0-21swapper/308:40:013
1963199112,6cyclictest0-21swapper/308:35:013
1963199110,2cyclictest0-21swapper/308:55:283
1963099112,6cyclictest0-21swapper/207:43:022
1962999112,6cyclictest7427-21metacity07:26:591
1962999112,6cyclictest0-21swapper/109:06:591
1962999112,6cyclictest0-21swapper/108:40:021
1962999110,9cyclictest0-21swapper/108:50:141
1962999110,10cyclictest0-21swapper/108:30:251
1962999110,10cyclictest0-21swapper/107:35:301
1962999110,10cyclictest0-21swapper/107:35:301
1962899112,6cyclictest0-21swapper/008:58:590
210892100,0sleep30-21swapper/307:10:253
1963199107,2cyclictest9841-21kworker/u8:108:13:053
1963199105,3cyclictest29317-21python08:50:233
1963199105,3cyclictest26214-21aten2.4_r3power08:45:113
1963199102,6cyclictest0-21swapper/308:05:253
1963099105,3cyclictest31456-21grep07:35:282
1963099105,3cyclictest31456-21grep07:35:282
1963099105,3cyclictest26248-21grep07:25:122
1962999107,2cyclictest0-21swapper/109:00:291
1962999107,2cyclictest0-21swapper/108:10:121
1962999102,6cyclictest0-21swapper/108:49:091
1962999100,7cyclictest0-21swapper/107:52:581
1962999100,2cyclictest0-21swapper/108:15:221
1962999100,2cyclictest0-21swapper/108:05:121
1962899107,2cyclictest0-21swapper/008:10:170
1962899107,2cyclictest0-21swapper/008:00:280
1962899107,2cyclictest0-21swapper/007:35:130
1962899107,2cyclictest0-21swapper/007:35:130
1962899107,2cyclictest0-21swapper/007:10:250
1962899102,7cyclictest0-21swapper/008:44:580
1962899102,7cyclictest0-21swapper/007:31:590
1962899102,7cyclictest0-21swapper/007:15:020
1962899102,6cyclictest0-21swapper/009:09:120
1962899101,5cyclictest0-21swapper/008:30:010
196289996,2cyclictest22691-21munin-node0
196289993,2cyclictest0-21swapper/007:40:050
196289992,6cyclictest0-21swapper/007:53:570
196309980,5cyclictest5978-21cpuspeed_turbos07:55:142
196289983,3cyclictest27065-21ntpdc08:45:170
196289983,3cyclictest16263-21stty08:20:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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