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2026-03-09 - 19:07

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 Mar 09, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29664211995,18sleep00-21swapper/007:05:070
31433211597,12sleep30-21swapper/307:09:473
30726211289,16sleep20-21swapper/207:05:492
31189210589,11sleep10-21swapper/107:06:361
290272800,3sleep13147999cyclictest10:25:181
245242770,0sleep00-21swapper/010:52:590
39792730,1sleep2301ktimersoftd/211:35:542
312432710,0sleep00-21swapper/009:55:590
296922240,0sleep30-21swapper/311:30:053
3147899230,3cyclictest31835-21cut11:00:150
3147899230,3cyclictest26089-21ssh11:57:390
3147899230,3cyclictest0-21swapper/009:46:030
3147899230,3cyclictest0-21swapper/008:20:150
3147899230,13cyclictest0-21swapper/010:58:510
3147899230,13cyclictest0-21swapper/010:07:350
3147899220,3cyclictest329-21ssh11:32:310
3147899220,3cyclictest3247-21ssh09:29:270
3147899220,3cyclictest3079-21ssh12:06:310
3147899220,3cyclictest19080-21sh11:19:510
3147899220,3cyclictest19064-21ssh11:50:270
3147899220,3cyclictest17442-21ssh11:49:500
3147899220,3cyclictest0-21swapper/012:35:150
3147899220,3cyclictest0-21swapper/012:29:030
3147899220,3cyclictest0-21swapper/012:23:270
3147899220,3cyclictest0-21swapper/012:11:590
3147899220,3cyclictest0-21swapper/012:00:270
3147899220,3cyclictest0-21swapper/010:39:190
3147899220,3cyclictest0-21swapper/010:10:030
3147899220,3cyclictest0-21swapper/010:03:550
3147899220,3cyclictest0-21swapper/009:37:310
3147899220,3cyclictest0-21swapper/007:50:150
3147899220,3cyclictest0-21swapper/007:35:180
3147899220,3cyclictest0-21swapper/007:30:380
3147899220,2cyclictest0-21swapper/011:14:450
3147899220,12cyclictest0-21swapper/011:09:120
3147899211,3cyclictest27376-21ssh09:20:280
3147899210,3cyclictest31305-21grep08:26:030
3147899210,3cyclictest17083-21ssh10:45:190
3147899210,3cyclictest17083-21ssh10:45:190
3147899210,3cyclictest0-21swapper/011:40:190
3147899210,3cyclictest0-21swapper/010:42:090
3147899210,3cyclictest0-21swapper/009:44:430
3147899210,3cyclictest0-21swapper/007:40:180
3147899210,3cyclictest0-21swapper/007:10:140
3147899210,2cyclictest2402-21ssh11:35:110
3147899210,2cyclictest0-21swapper/010:18:400
3147899210,2cyclictest0-21swapper/009:00:200
3147899210,2cyclictest0-21swapper/008:55:150
3147899210,2cyclictest0-21swapper/008:37:550
3147899210,2cyclictest0-21swapper/007:20:100
3147899210,12cyclictest0-21swapper/011:27:150
3147899200,2cyclictest0-21swapper/012:30:510
3147899200,2cyclictest0-21swapper/012:16:550
3147899200,2cyclictest0-21swapper/011:23:050
3147899200,2cyclictest0-21swapper/010:30:110
3147899200,2cyclictest0-21swapper/010:29:110
3147899200,2cyclictest0-21swapper/009:30:070
3147899200,2cyclictest0-21swapper/008:41:030
3147899200,2cyclictest0-21swapper/008:05:150
3147899200,2cyclictest0-21swapper/007:15:100
3147899200,11cyclictest0-21swapper/009:11:160
3147899199,8cyclictest20229-21chrt08:00:150
3147899190,3cyclictest24123-21ssh10:20:350
3147899190,2cyclictest24584-21apt-get09:50:120
3147899190,2cyclictest0-21swapper/009:15:190
3147899190,2cyclictest0-21swapper/008:50:270
3147899190,2cyclictest0-21swapper/008:45:160
3147899190,2cyclictest0-21swapper/007:45:500
17452190,0sleep20-21swapper/207:15:132
140652190,1sleep014068-21cpuspeed_turbos09:05:130
37232180,1sleep30-21swapper/310:00:393
3147899180,2cyclictest0-21swapper/007:25:060
3147899170,2cyclictest0-21swapper/008:31:030
3147899170,2cyclictest0-21swapper/008:15:310
3147899170,2cyclictest0-21swapper/008:10:350
3147899170,2cyclictest0-21swapper/007:55:190
3148199161,13cyclictest27106-21chrt11:59:073
3148199161,13cyclictest0-21swapper/310:10:173
62612151,3sleep36354-21ntp_states07:25:173
31481991512,2cyclictest0-21swapper/311:15:153
3148199150,2cyclictest0-21swapper/311:25:453
3148199150,13cyclictest0-21swapper/309:20:133
3148099151,12cyclictest22861-21apt-get10:20:122
31480991510,3cyclictest4407-21df09:30:122
31480991510,3cyclictest3153-21nscd10:30:012
3148099150,13cyclictest8434-21kworker/u8:210:47:042
3148099150,13cyclictest8434-21kworker/u8:210:47:042
3147999150,14cyclictest0-21swapper/109:35:111
3147999150,13cyclictest6203-21grep08:45:141
3147999150,13cyclictest0-21swapper/109:01:011
31481991411,2cyclictest13683-21ssh09:39:353
31481991411,2cyclictest0-21swapper/310:36:453
3148199140,3cyclictest7349-21apt-get11:40:073
3148199140,2cyclictest0-21swapper/310:30:173
3148199140,13cyclictest0-21swapper/310:52:053
3148199140,13cyclictest0-21swapper/310:43:053
3148199140,13cyclictest0-21swapper/310:21:453
3148099149,3cyclictest0-21swapper/211:41:472
31480991411,2cyclictest0-21swapper/211:31:392
31480991411,2cyclictest0-21swapper/207:40:182
3148099141,11cyclictest6697-21ssh11:06:442
3148099140,3cyclictest3649-21snmpd09:23:032
3148099140,2cyclictest0-21swapper/211:28:592
3148099140,13cyclictest0-21swapper/208:10:182
3148099140,12cyclictest20882-21cat09:15:012
3148099140,12cyclictest0-21swapper/211:24:582
3148099140,12cyclictest0-21swapper/211:11:052
31479991412,1cyclictest0-21swapper/109:52:411
31479991411,2cyclictest0-21swapper/112:39:121
31479991411,2cyclictest0-21swapper/110:38:111
31479991411,2cyclictest0-21swapper/109:26:411
31479991411,2cyclictest0-21swapper/109:18:311
31479991411,2cyclictest0-21swapper/109:14:311
3147999140,2cyclictest12005-21ssh11:12:021
3147999140,2cyclictest0-21swapper/112:33:521
3147999140,2cyclictest0-21swapper/112:10:111
3147999140,2cyclictest0-21swapper/111:51:011
3147999140,2cyclictest0-21swapper/111:06:111
3147999140,2cyclictest0-21swapper/110:00:011
3147999140,2cyclictest0-21swapper/109:22:411
3147999140,13cyclictest0-21swapper/112:00:111
3147999140,13cyclictest0-21swapper/110:55:411
3147999140,13cyclictest0-21swapper/110:48:411
3147999140,13cyclictest0-21swapper/110:48:411
3147999140,13cyclictest0-21swapper/110:31:111
3147999140,13cyclictest0-21swapper/109:56:111
3147999140,12cyclictest0-21swapper/111:20:121
3147999140,12cyclictest0-21swapper/110:10:151
3147999140,12cyclictest0-21swapper/109:43:541
108872141,3sleep30-21swapper/308:56:033
3148199138,3cyclictest3348-21ssh12:06:523
31481991310,2cyclictest29994-21df09:55:133
31481991310,2cyclictest13583-21apt-get07:45:053
31481991310,2cyclictest0-21swapper/312:30:363
31481991310,2cyclictest0-21swapper/312:10:253
31481991310,2cyclictest0-21swapper/311:08:153
31481991310,2cyclictest0-21swapper/310:48:573
31481991310,2cyclictest0-21swapper/310:48:573
31481991310,2cyclictest0-21swapper/309:40:193
31481991310,2cyclictest0-21swapper/309:26:363
3148199130,2cyclictest0-21swapper/311:48:243
3148199130,2cyclictest0-21swapper/311:20:263
3148199130,2cyclictest0-21swapper/310:25:133
3148199130,12cyclictest0-21swapper/312:36:563
3148199130,12cyclictest0-21swapper/312:26:083
3148199130,12cyclictest0-21swapper/312:24:563
3148199130,12cyclictest0-21swapper/311:10:063
3148199130,12cyclictest0-21swapper/311:02:233
3148199130,12cyclictest0-21swapper/310:05:113
3148199130,12cyclictest0-21swapper/309:19:283
3148199130,12cyclictest0-21swapper/307:40:183
31480991310,2cyclictest0-21swapper/212:37:172
31480991310,2cyclictest0-21swapper/212:19:092
31480991310,2cyclictest0-21swapper/212:11:592
31480991310,2cyclictest0-21swapper/212:03:482
31480991310,2cyclictest0-21swapper/209:37:132
3148099130,2cyclictest6175-21ssh10:03:272
3148099130,2cyclictest0-21swapper/211:16:012
3148099130,2cyclictest0-21swapper/210:39:182
3148099130,2cyclictest0-21swapper/210:10:482
3148099130,2cyclictest0-21swapper/209:50:172
3148099130,2cyclictest0-21swapper/208:20:122
3148099130,12cyclictest0-21swapper/209:40:182
3148099130,12cyclictest0-21swapper/209:26:372
31479991310,2cyclictest0-21swapper/112:26:241
31479991310,2cyclictest0-21swapper/111:57:141
31479991310,2cyclictest0-21swapper/111:39:521
31479991310,2cyclictest0-21swapper/111:33:431
31479991310,2cyclictest0-21swapper/111:18:111
31479991310,2cyclictest0-21swapper/110:53:241
31479991310,2cyclictest0-21swapper/110:20:251
31479991310,2cyclictest0-21swapper/109:49:031
31479991310,2cyclictest0-21swapper/108:51:021
31479991310,2cyclictest0-21swapper/108:16:041
31479991310,2cyclictest0-21swapper/108:00:141
31479991310,2cyclictest0-21swapper/107:35:191
3147999130,12cyclictest0-21swapper/112:21:341
3147999130,12cyclictest0-21swapper/111:46:031
3147999130,12cyclictest0-21swapper/111:44:021
3147999130,12cyclictest0-21swapper/111:01:551
3147999130,12cyclictest0-21swapper/110:41:131
3147999130,12cyclictest0-21swapper/110:05:041
3147999130,12cyclictest0-21swapper/109:34:241
297852131,2sleep229796-21ssh10:58:152
3148199129,2cyclictest18425-21ssh09:11:423
3148199129,2cyclictest0-21swapper/312:00:203
3148199129,2cyclictest0-21swapper/310:56:283
3148199129,2cyclictest0-21swapper/309:30:093
3148199129,2cyclictest0-21swapper/308:46:083
3148199129,2cyclictest0-21swapper/308:40:133
3148199129,2cyclictest0-21swapper/308:26:013
3148199120,2cyclictest0-21swapper/311:50:493
3148199120,2cyclictest0-21swapper/309:54:553
3148199120,2cyclictest0-21swapper/309:45:453
3148199120,11cyclictest0-21swapper/311:35:153
3148199120,11cyclictest0-21swapper/310:19:343
3148199120,11cyclictest0-21swapper/308:16:023
3148199120,11cyclictest0-21swapper/308:10:183
3148099129,2cyclictest30575-21kworker/u8:008:44:042
3148099129,2cyclictest15555-21kworker/u8:008:07:042
3148099129,2cyclictest0-21swapper/211:57:182
3148099129,2cyclictest0-21swapper/211:47:112
3148099129,2cyclictest0-21swapper/210:16:312
3148099129,2cyclictest0-21swapper/209:55:262
3148099129,2cyclictest0-21swapper/209:49:082
3148099122,7cyclictest0-21swapper/208:25:012
3148099120,2cyclictest0-21swapper/212:20:392
3148099120,2cyclictest0-21swapper/211:51:072
3148099120,2cyclictest0-21swapper/210:50:132
3148099120,2cyclictest0-21swapper/207:20:132
3148099120,11cyclictest27677-21ssh12:30:382
3148099120,11cyclictest0-21swapper/212:26:162
3148099120,11cyclictest0-21swapper/212:05:102
3148099120,11cyclictest0-21swapper/211:00:072
3148099120,11cyclictest0-21swapper/210:41:032
3148099120,11cyclictest0-21swapper/210:30:172
3148099120,11cyclictest0-21swapper/210:06:392
3148099120,11cyclictest0-21swapper/209:15:272
3148099120,11cyclictest0-21swapper/209:05:162
3148099120,11cyclictest0-21swapper/209:00:072
3148099120,11cyclictest0-21swapper/208:00:132
3148099120,11cyclictest0-21swapper/207:31:012
3147999129,2cyclictest0-21swapper/112:15:011
3147999129,2cyclictest0-21swapper/110:15:521
3147999129,2cyclictest0-21swapper/107:55:131
3147999129,2cyclictest0-21swapper/107:25:111
3147999120,2cyclictest0-21swapper/112:07:321
3147999120,2cyclictest0-21swapper/108:40:151
3147999120,11cyclictest0-21swapper/111:25:531
3148199118,2cyclictest27072-21kworker/u8:112:15:043
3148199110,10cyclictest14940-21kworker/u8:007:32:043
3148199110,10cyclictest14940-21kworker/u8:007:10:043
3148099118,2cyclictest5422-21kworker/u8:108:47:042
3148099118,2cyclictest14940-21kworker/u8:007:28:042
3148099118,2cyclictest0-21swapper/208:51:062
3148099112,7cyclictest0-21swapper/208:17:582
3148099112,6cyclictest0-21swapper/207:37:582
3147999118,2cyclictest0-21swapper/108:35:111
3147999110,9cyclictest297082chrt08:25:001
3147999110,9cyclictest0-21swapper/108:25:121
3147999110,9cyclictest0-21swapper/107:45:121
3147999110,2cyclictest0-21swapper/107:32:411
164242110,2sleep10-21swapper/107:50:151
3148199107,2cyclictest3390-21aten2.4_r3power07:20:123
3148199107,2cyclictest0-21swapper/309:05:053
3148199107,2cyclictest0-21swapper/308:20:123
3148199101,2cyclictest27450jbd2/sda1-807:35:143
3148199100,9cyclictest15555-21kworker/u8:008:01:043
3148099107,2cyclictest11593-21kworker/u8:107:49:042
3148099107,2cyclictest0-21swapper/207:50:282
3148099102,7cyclictest0-21swapper/208:55:012
3148099102,5cyclictest0-21swapper/208:33:582
3148099100,7cyclictest0-21swapper/207:11:012
3147999107,2cyclictest31943-21apt-get08:30:081
3147999107,2cyclictest0-21swapper/108:55:131
3147999100,9cyclictest4969-21kworker/u8:207:40:041
3147999100,2cyclictest0-21swapper/108:05:091
3147999100,2cyclictest0-21swapper/107:20:391
3147999100,2cyclictest0-21swapper/107:10:131
314819996,2cyclictest7812-21kworker/u8:008:52:013
314819996,2cyclictest24940-21kworker/u8:108:32:013
314819995,3cyclictest23656-21cron08:09:593
314809992,6cyclictest0-21swapper/208:36:012
314799996,2cyclictest0-21swapper/108:10:141
314799995,3cyclictest1240-21munin-node1
314799990,2cyclictest0-21swapper/109:05:041
314819985,2cyclictest0-21swapper/309:00:063
314819983,3cyclictest3158-21dbus-daemon07:50:073
314819983,3cyclictest18248-21fschecks_count07:55:123
314819983,3cyclictest1273-21aten2.4-expect07:15:123
314819981,6cyclictest31383-21kworker/3:208:35:163
314809983,3cyclictest19252-21unixbench_singl07:56:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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