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2026-03-13 - 17:01

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 Fri Mar 13, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12310211996,18sleep00-21swapper/007:07:070
123732116105,6sleep10-21swapper/107:07:561
123652116105,6sleep30-21swapper/307:07:513
12292210998,6sleep20-21swapper/207:06:542
264172920,1sleep00-21swapper/012:24:260
308802690,0sleep10-21swapper/111:22:421
201382670,0sleep10-21swapper/107:26:021
96612250,0sleep30-21swapper/311:34:383
62872240,0sleep30-21swapper/309:51:543
114352240,1sleep21256599cyclictest09:25:112
317832200,0sleep20-21swapper/211:56:022
289022200,1sleep20-21swapper/210:48:002
289022200,1sleep20-21swapper/210:47:592
12566991916,2cyclictest7735-21kworker/u8:209:22:023
1256699182,2cyclictest0-21swapper/311:25:053
12566991815,2cyclictest1491-21kworker/u8:109:19:043
12566991815,2cyclictest13427-21kworker/u8:009:36:053
12566991814,3cyclictest19626-21kworker/u8:211:52:053
12564991815,2cyclictest19469-21kworker/u8:011:25:051
12566991714,2cyclictest20805-21kworker/u8:109:42:043
12566991714,2cyclictest19469-21kworker/u8:011:43:053
12566991714,2cyclictest15503-21kworker/u8:212:23:043
213912160,0sleep20-21swapper/211:45:352
12566991613,2cyclictest860-21kworker/u8:210:21:053
12566991613,2cyclictest28428-21kworker/u8:108:07:053
12566991613,2cyclictest28428-21kworker/u8:107:53:053
12566991613,2cyclictest27651-21kworker/u8:110:15:053
12566991613,2cyclictest25897-21kworker/u8:207:40:053
12566991613,2cyclictest25897-21kworker/u8:207:17:053
12566991613,2cyclictest25897-21kworker/u8:207:17:043
12566991613,2cyclictest24825-21kworker/u8:209:11:053
12566991613,2cyclictest24530-21kworker/u8:007:45:053
12566991613,2cyclictest19626-21kworker/u8:211:56:053
12566991613,2cyclictest19469-21kworker/u8:011:48:053
12566991613,2cyclictest19469-21kworker/u8:011:24:053
12566991613,2cyclictest18519-21kworker/u8:310:12:053
12566991613,2cyclictest15693-21kworker/u8:109:03:053
12566991612,3cyclictest860-21kworker/u8:210:33:043
12566991612,3cyclictest11954-21kworker/u8:211:18:023
1256699161,13cyclictest8961-21memory11:00:163
12565991613,2cyclictest4396-21kworker/u8:211:30:062
1256399161,13cyclictest32674-21ssh09:13:450
1256399160,14cyclictest15066-21df_inode08:35:120
12566991512,2cyclictest8695-21kworker/u8:010:06:043
12566991512,2cyclictest7973-21kworker/u8:208:27:043
12566991512,2cyclictest7187-21kworker/u8:310:27:053
12566991512,2cyclictest6765-21kworker/u8:012:15:053
12566991512,2cyclictest6765-21kworker/u8:012:08:063
12566991512,2cyclictest4396-21kworker/u8:211:37:053
12566991512,2cyclictest4160-21kworker/u8:007:12:053
12566991512,2cyclictest28648-21kworker/u8:010:54:053
12566991512,2cyclictest28648-21kworker/u8:010:54:043
12566991512,2cyclictest19469-21kworker/u8:011:12:023
12566991512,2cyclictest18741-21kworker/u8:008:57:053
12566991512,2cyclictest1671-21kworker/u8:111:07:043
12566991512,2cyclictest15503-21kworker/u8:212:25:053
1256699151,12cyclictest9836-21ssh09:55:293
1256699150,14cyclictest15411-21apt-get10:35:053
12565991511,2cyclictest27031-21apt-get07:45:112
1256599151,12cyclictest0-21swapper/210:50:102
1256599151,12cyclictest0-21swapper/210:50:092
1256599150,2cyclictest0-21swapper/207:20:002
1256599150,2cyclictest0-21swapper/207:19:592
1256499150,13cyclictest3571-21sort10:55:141
1256499150,13cyclictest3571-21sort10:55:131
12563991512,2cyclictest11954-21kworker/u8:211:16:050
1256399151,12cyclictest27148-21ssh10:13:380
1256399151,12cyclictest21914-21python08:51:020
1256399151,12cyclictest19250-21ssh10:38:190
1256399151,12cyclictest0-21swapper/012:34:100
162422141,3sleep316252-21ssh12:13:553
12566991411,2cyclictest7735-21kworker/u8:209:29:053
12566991411,2cyclictest29086-21kworker/u8:210:00:053
12566991411,2cyclictest28428-21kworker/u8:108:15:053
12566991411,2cyclictest19626-21kworker/u8:212:01:053
12566991411,2cyclictest18509-21kworker/u8:110:43:053
1256699140,2cyclictest0-21swapper/308:40:043
1256699140,13cyclictest0-21swapper/310:47:353
1256699140,13cyclictest0-21swapper/310:47:353
12565991411,2cyclictest0-21swapper/212:35:002
12565991411,2cyclictest0-21swapper/212:16:112
12565991411,2cyclictest0-21swapper/210:35:022
1256599140,2cyclictest0-21swapper/207:20:102
1256599140,12cyclictest0-21swapper/212:25:132
12564991411,2cyclictest860-21kworker/u8:210:29:051
12564991411,2cyclictest0-21swapper/112:39:121
12564991411,2cyclictest0-21swapper/112:19:331
12564991411,2cyclictest0-21swapper/112:00:111
12564991411,2cyclictest0-21swapper/109:45:021
12564991411,2cyclictest0-21swapper/109:10:421
1256499140,2cyclictest0-21swapper/111:00:431
1256499140,2cyclictest0-21swapper/110:50:131
1256499140,2cyclictest0-21swapper/110:50:131
1256499140,2cyclictest0-21swapper/110:14:031
1256499140,13cyclictest0-21swapper/110:23:521
1256499140,13cyclictest0-21swapper/109:58:201
1256499140,12cyclictest0-21swapper/112:10:481
1256499140,12cyclictest0-21swapper/110:00:131
1256499140,12cyclictest0-21swapper/109:36:381
1256499140,12cyclictest0-21swapper/109:31:051
1256499140,12cyclictest0-21swapper/107:35:151
1256399149,3cyclictest6073-21users08:11:030
1256399149,3cyclictest26995-21apt-get07:45:120
12563991411,2cyclictest29086-21kworker/u8:209:55:040
12563991411,2cyclictest19469-21kworker/u8:011:41:050
12563991410,3cyclictest29748-21ssh12:27:010
12563991410,2cyclictest0-21swapper/010:55:290
12563991410,2cyclictest0-21swapper/010:55:280
1256399140,3cyclictest23245-21df_abs07:35:130
1256399140,2cyclictest0-21swapper/012:10:120
1256399140,13cyclictest0-21swapper/009:16:020
1256399140,12cyclictest8469-21ps12:05:170
1256399140,12cyclictest6180-21ssh12:03:310
1256399140,12cyclictest0-21swapper/011:38:510
1256399140,12cyclictest0-21swapper/008:41:010
85512130,2sleep10-21swapper/109:21:141
1256699136,6cyclictest7351-21sshd10:59:213
1256699136,6cyclictest7351-21sshd10:59:213
12566991310,2cyclictest28428-21kworker/u8:108:14:053
12566991310,2cyclictest15693-21kworker/u8:108:48:023
12566991310,2cyclictest0-21swapper/309:34:443
12566991310,2cyclictest0-21swapper/308:35:593
12566991310,2cyclictest0-21swapper/308:30:143
1256699130,2cyclictest0-21swapper/309:45:193
12565991310,2cyclictest31525-21iostat07:55:152
12565991310,2cyclictest28587-21diskmemload09:58:532
12565991310,2cyclictest24377-21ssh12:21:212
12565991310,2cyclictest16309-21apt-get09:30:102
12565991310,2cyclictest0-21swapper/212:10:102
12565991310,2cyclictest0-21swapper/211:50:172
12565991310,2cyclictest0-21swapper/211:36:022
12565991310,2cyclictest0-21swapper/211:21:032
12565991310,2cyclictest0-21swapper/211:10:512
12565991310,2cyclictest0-21swapper/210:57:322
12565991310,2cyclictest0-21swapper/210:57:312
12565991310,2cyclictest0-21swapper/209:50:102
12565991310,2cyclictest0-21swapper/209:13:422
12565991310,2cyclictest0-21swapper/207:30:282
1256599130,12cyclictest1934-21ssh09:48:012
1256599130,12cyclictest0-21swapper/209:19:592
1256599130,11cyclictest0-21swapper/210:25:592
12564991310,2cyclictest0-21swapper/112:30:221
12564991310,2cyclictest0-21swapper/112:29:571
12564991310,2cyclictest0-21swapper/111:11:331
12564991310,2cyclictest0-21swapper/110:47:251
12564991310,2cyclictest0-21swapper/110:47:241
12564991310,2cyclictest0-21swapper/110:42:231
12564991310,2cyclictest0-21swapper/110:05:521
12564991310,2cyclictest0-21swapper/109:27:111
12564991310,2cyclictest0-21swapper/109:05:121
12564991310,2cyclictest0-21swapper/107:45:101
1256499130,2cyclictest0-21swapper/109:52:311
1256499130,2cyclictest0-21swapper/109:17:091
1256499130,12cyclictest0-21swapper/111:58:551
1256499130,12cyclictest0-21swapper/111:52:561
1256499130,12cyclictest0-21swapper/111:45:101
1256499130,12cyclictest0-21swapper/111:34:291
1256499130,12cyclictest0-21swapper/111:05:291
1256499130,12cyclictest0-21swapper/110:37:511
1256499130,12cyclictest0-21swapper/108:20:141
1256499130,11cyclictest0-21swapper/112:05:531
1256499130,11cyclictest0-21swapper/110:30:101
1256399139,3cyclictest7778-21sensors08:16:000
1256399138,3cyclictest28587-21diskmemload11:05:540
12563991310,2cyclictest27650-21kworker/u8:010:17:050
12563991310,2cyclictest15693-21kworker/u8:108:46:060
12563991310,2cyclictest0-21swapper/012:37:270
12563991310,2cyclictest0-21swapper/012:16:300
12563991310,2cyclictest0-21swapper/011:27:020
12563991310,2cyclictest0-21swapper/010:50:080
12563991310,2cyclictest0-21swapper/010:50:070
12563991310,2cyclictest0-21swapper/010:27:260
12563991310,2cyclictest0-21swapper/009:52:250
12563991310,2cyclictest0-21swapper/009:39:050
12563991310,2cyclictest0-21swapper/009:05:120
1256399130,2cyclictest18359-21ssh09:31:070
1256399130,2cyclictest0-21swapper/011:56:420
1256399130,2cyclictest0-21swapper/011:03:490
1256399130,12cyclictest28587-21diskmemload10:30:140
1256399130,12cyclictest14649-21processes10:00:150
1256399130,12cyclictest0-21swapper/011:50:590
1256399130,12cyclictest0-21swapper/011:34:520
1256399130,12cyclictest0-21swapper/009:20:270
206272120,2sleep00-21swapper/010:40:060
1256699129,2cyclictest0-21swapper/312:38:213
1256699129,2cyclictest0-21swapper/308:20:143
1256699120,11cyclictest0-21swapper/312:34:573
1256599129,2cyclictest0-21swapper/211:05:122
1256599129,2cyclictest0-21swapper/210:31:042
1256599129,2cyclictest0-21swapper/210:20:432
1256599129,2cyclictest0-21swapper/210:05:282
1256599129,2cyclictest0-21swapper/209:35:112
1256599120,2cyclictest0-21swapper/212:01:372
1256599120,2cyclictest0-21swapper/210:15:502
1256599120,2cyclictest0-21swapper/209:42:102
1256599120,11cyclictest1671-21kworker/u8:111:00:022
1256599120,11cyclictest0-21swapper/212:05:442
1256599120,11cyclictest0-21swapper/211:44:032
1256599120,11cyclictest0-21swapper/211:15:442
1256599120,11cyclictest0-21swapper/210:10:252
1256599120,11cyclictest0-21swapper/210:01:022
1256599120,11cyclictest0-21swapper/208:26:022
1256499129,2cyclictest0-21swapper/112:21:301
1256499129,2cyclictest0-21swapper/111:40:191
1256499129,2cyclictest0-21swapper/111:35:111
1256499129,2cyclictest0-21swapper/110:16:111
1256499129,2cyclictest0-21swapper/109:40:071
1256499129,2cyclictest0-21swapper/108:50:191
1256499129,2cyclictest0-21swapper/108:35:101
1256499129,2cyclictest0-21swapper/108:01:001
1256499120,2cyclictest0-21swapper/107:16:001
1256499120,2cyclictest0-21swapper/107:16:001
1256499120,11cyclictest0-21swapper/108:15:171
1256399129,2cyclictest7973-21kworker/u8:208:30:040
1256399129,2cyclictest20932-21kworker/u8:107:32:020
1256399129,2cyclictest0-21swapper/010:45:050
1256399129,2cyclictest0-21swapper/010:45:040
1256399129,2cyclictest0-21swapper/010:20:030
1256399129,2cyclictest0-21swapper/010:07:220
1256399129,2cyclictest0-21swapper/009:48:170
1256399129,2cyclictest0-21swapper/009:00:190
1256399129,2cyclictest0-21swapper/008:25:130
1256399129,2cyclictest0-21swapper/008:00:490
1256399129,2cyclictest0-21swapper/007:51:010
1256399127,3cyclictest29915-21ssh11:21:150
1256399127,3cyclictest2891-21cut08:05:120
1256399120,1cyclictest0-21swapper/008:55:140
1256399120,11cyclictest12461-21ssh09:25:180
1256399120,11cyclictest0-21swapper/011:46:430
1256399120,11cyclictest0-21swapper/011:10:480
1256399120,11cyclictest0-21swapper/009:40:380
318042110,1sleep30-21swapper/307:55:173
1256599118,2cyclictest0-21swapper/211:25:592
1256599118,2cyclictest0-21swapper/209:20:172
1256599118,2cyclictest0-21swapper/208:09:212
1256599118,2cyclictest0-21swapper/207:35:112
1256599110,10cyclictest7973-21kworker/u8:208:32:022
1256599110,10cyclictest15693-21kworker/u8:108:36:052
1256599110,10cyclictest0-21swapper/210:40:102
1256599110,10cyclictest0-21swapper/208:48:212
1256499118,2cyclictest0-21swapper/108:55:301
1256499118,2cyclictest0-21swapper/107:30:121
1256499111,2cyclictest12777-21apt-get07:10:101
1256499110,9cyclictest0-21swapper/109:00:141
1256499110,9cyclictest0-21swapper/107:20:101
1256499110,2cyclictest0-21swapper/108:45:201
1256499110,10cyclictest0-21swapper/111:15:061
1256399118,2cyclictest18450-21kworker/u8:007:25:040
1256699107,2cyclictest30760-21kworker/u8:208:00:043
1256699107,2cyclictest0-21swapper/308:50:133
1256699106,3cyclictest23544-21wc07:35:143
1256699105,3cyclictest0-21swapper/309:09:503
1256699105,3cyclictest0-21swapper/307:32:563
1256599107,2cyclictest0-21swapper/208:40:002
1256599100,9cyclictest18741-21kworker/u8:009:00:052
1256599100,9cyclictest15693-21kworker/u8:108:52:042
1256599100,9cyclictest0-21swapper/212:31:442
1256499107,2cyclictest0-21swapper/108:06:021
1256499107,2cyclictest0-21swapper/107:40:111
1256499100,9cyclictest0-21swapper/108:30:151
1256499100,2cyclictest4612-21apt-get08:10:111
1256499100,2cyclictest28847-21apt-get07:50:091
1256499100,2cyclictest16735-21munin-node1
1256399107,2cyclictest28428-21kworker/u8:107:55:050
1256399107,2cyclictest25897-21kworker/u8:207:10:050
1256399107,2cyclictest1941-21kworker/u8:008:21:050
1256399107,2cyclictest14444-21kworker/u8:107:15:050
1256399107,2cyclictest14444-21kworker/u8:107:15:050
1256399105,3cyclictest25281-21df_abs07:40:130
1256399105,3cyclictest16901-21aten2.4_r3power07:20:100
125669994,3cyclictest19155-21tr07:25:133
125669994,3cyclictest16830-21aten2.4_r3power07:20:093
125659996,2cyclictest810-21df_inode08:00:112
125659996,2cyclictest0-21swapper/209:05:132
125659996,2cyclictest0-21swapper/207:26:032
125659994,3cyclictest29814-21processes07:50:172
125659994,3cyclictest2850-21rsyslogd07:11:202
125659994,3cyclictest22991-21cpuspeed_turbos08:55:132
125649995,3cyclictest31530-21irqstats07:55:151
125649990,8cyclictest10655-21munin-node1
125659985,2cyclictest0-21swapper/208:21:492
125659980,7cyclictest0-21swapper/208:15:402
125659974,2cyclictest4608-21munin-node2
125659974,2cyclictest25287-21df_abs07:40:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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