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2026-03-16 - 16:17

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 Mon Mar 16, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4895211994,19sleep00-21swapper/007:06:030
5349211598,12sleep10-21swapper/107:09:411
5222210796,6sleep30-21swapper/307:08:023
5241210696,6sleep20-21swapper/207:08:172
225812920,1sleep3381ktimersoftd/307:50:163
121192760,0sleep00-21swapper/011:45:180
262082610,1sleep10-21swapper/112:34:301
168422530,4sleep3540499cyclictest10:10:183
218762250,1sleep229-21rcuc/211:21:482
218762250,1sleep229-21rcuc/211:21:482
207962250,0sleep30-21swapper/311:55:113
540199231,3cyclictest22167-21ssh09:10:110
5404992216,3cyclictest29072-21kworker/u8:111:51:053
5404992117,2cyclictest0-21swapper/307:55:113
46092200,0sleep10-21swapper/109:57:571
248282200,0sleep10-21swapper/110:19:091
5404991815,2cyclictest7177-21kworker/u8:012:16:063
540399181,14cyclictest0-21swapper/211:15:062
5402991814,2cyclictest0-21swapper/107:55:111
5404991714,2cyclictest1333-21kworker/u8:110:32:053
5404991713,2cyclictest11868-21kworker/u8:210:54:043
5404991712,3cyclictest6689-21munin-node3
5401991714,2cyclictest7439-21kworker/u8:110:16:050
164682170,0sleep20-21swapper/207:35:172
5404991613,2cyclictest7439-21kworker/u8:110:08:053
5404991613,2cyclictest29072-21kworker/u8:111:48:053
5404991613,2cyclictest27525-21kworker/u8:210:24:053
5404991613,2cyclictest2635-21kworker/u8:009:34:053
5404991613,2cyclictest23682-21kworker/u8:211:33:053
5404991613,2cyclictest19205-21kworker/u8:009:41:053
5404991613,2cyclictest12316-21kworker/u8:011:16:043
5404991612,2cyclictest0-21swapper/309:21:033
5404991611,3cyclictest0-21swapper/312:25:143
540499160,14cyclictest10178-21fschecks_time07:20:143
540499160,11cyclictest0-21swapper/310:49:053
540299161,3cyclictest26272-21irqstats12:00:161
540299160,14cyclictest0-21swapper/111:37:031
540199166,6cyclictest14392-21sh10:08:020
5404991512,2cyclictest25762-21kworker/u8:010:26:043
5404991512,2cyclictest14243-21kworker/u8:212:22:053
5404991512,2cyclictest12316-21kworker/u8:011:28:063
540499151,12cyclictest22058-21ssh09:10:033
540499150,4cyclictest29266-21chrt12:03:483
540499150,3cyclictest0-21swapper/312:11:203
5402991512,2cyclictest0-21swapper/110:58:131
540299151,12cyclictest15981-21apt-get08:55:111
540299151,12cyclictest0-21swapper/109:52:431
5402991510,3cyclictest0-21swapper/110:40:131
5402991510,3cyclictest0-21swapper/109:22:141
540299150,13cyclictest21809-21diskmemload10:39:331
540299150,13cyclictest0-21swapper/111:16:091
540199152,10cyclictest0-21swapper/007:16:590
5401991512,2cyclictest25893-21kworker/u8:108:05:050
5401991512,2cyclictest18106-21kworker/u8:109:06:050
540199150,3cyclictest21209-21unixbench_singl07:46:040
540199150,13cyclictest0-21swapper/011:35:180
540499141,2cyclictest6005-21apt-get11:40:073
5404991411,2cyclictest5148-21kworker/u8:207:10:053
5404991411,2cyclictest26359-21ssh12:34:443
5404991411,2cyclictest18106-21kworker/u8:109:38:043
5404991411,2cyclictest0-21swapper/308:16:033
540499140,3cyclictest6886-21ssh11:06:113
540499140,3cyclictest31964-21ssh09:52:533
540499140,3cyclictest2048-21ssh11:35:153
540499140,2cyclictest11882-21ssh11:11:243
540499140,2cyclictest0-21swapper/312:36:043
540499140,12cyclictest0-21swapper/312:09:193
540499140,12cyclictest0-21swapper/310:36:133
540499140,12cyclictest0-21swapper/310:16:073
540399149,3cyclictest31913-21ssh09:20:122
540399149,3cyclictest16613-21hddtemp_smartct10:10:152
540399141,3cyclictest28114-21ssh12:35:322
540399141,11cyclictest353-21ssh12:06:522
540399140,2cyclictest0-21swapper/210:44:432
540399140,12cyclictest6084-21ssh10:00:002
540299149,3cyclictest20706-21sh12:28:231
540299149,3cyclictest0-21swapper/111:06:481
540299142,6cyclictest0-21swapper/108:25:011
540299141,7cyclictest7727-21gpgv08:35:011
5402991411,2cyclictest0-21swapper/111:52:321
5402991411,2cyclictest0-21swapper/111:47:531
540299140,3cyclictest0-21swapper/107:40:161
540299140,13cyclictest0-21swapper/112:11:231
540299140,13cyclictest0-21swapper/109:13:531
540299140,12cyclictest28995-21apt-get11:30:111
540299140,12cyclictest0-21swapper/111:59:101
540199142,7cyclictest0-21swapper/008:55:000
5401991411,2cyclictest11868-21kworker/u8:210:47:050
5401991410,2cyclictest0-21swapper/009:25:110
540199140,12cyclictest23221-21ssh12:30:270
540199140,12cyclictest0-21swapper/010:44:360
540499132,7cyclictest15512-21apt-get07:34:593
5404991310,2cyclictest28001-21popularity-cont08:05:343
5404991310,2cyclictest11868-21kworker/u8:210:56:053
5404991310,2cyclictest0-21swapper/311:01:303
5404991310,2cyclictest0-21swapper/309:18:033
5404991310,2cyclictest0-21swapper/308:25:133
540499130,9cyclictest0-21swapper/310:40:063
540499130,2cyclictest6217-21df_abs08:30:123
540499130,12cyclictest0-21swapper/309:55:583
540499130,12cyclictest0-21swapper/309:45:033
540499130,12cyclictest0-21swapper/308:40:173
540399138,3cyclictest0-21swapper/210:21:462
540399131,9cyclictest0-21swapper/208:45:012
540399131,7cyclictest0-21swapper/208:00:012
5403991310,2cyclictest30720-21ssh10:25:122
5403991310,2cyclictest0-21swapper/209:50:132
540399130,2cyclictest8790-21smartctl07:16:012
540399130,2cyclictest0-21swapper/211:50:132
540399130,12cyclictest0-21swapper/209:40:182
540399130,12cyclictest0-21swapper/209:28:232
540399130,12cyclictest0-21swapper/209:11:332
540399130,11cyclictest0-21swapper/212:30:122
540299139,2cyclictest0-21swapper/107:10:401
540299138,3cyclictest207150irq/24-eth111:25:141
540299138,3cyclictest0-21swapper/109:28:421
5402991310,2cyclictest21809-21diskmemload10:23:481
5402991310,2cyclictest21809-21diskmemload09:42:101
5402991310,2cyclictest12459-21apt-get12:20:111
5402991310,2cyclictest0-21swapper/111:10:231
5402991310,2cyclictest0-21swapper/111:00:391
5402991310,2cyclictest0-21swapper/109:35:231
5402991310,2cyclictest0-21swapper/109:30:231
5402991310,2cyclictest0-21swapper/109:10:011
5402991310,2cyclictest0-21swapper/108:35:131
5402991310,2cyclictest0-21swapper/107:51:031
540299130,2cyclictest0-21swapper/112:35:231
540299130,2cyclictest0-21swapper/110:30:231
540299130,2cyclictest0-21swapper/110:29:021
540299130,2cyclictest0-21swapper/110:05:431
540299130,2cyclictest0-21swapper/108:40:181
540299130,11cyclictest0-21swapper/112:06:521
540299130,11cyclictest0-21swapper/109:18:211
540199139,2cyclictest21809-21diskmemload11:02:380
540199138,3cyclictest6151-21ssh10:32:400
540199132,6cyclictest0-21swapper/010:25:000
540199132,6cyclictest0-21swapper/007:30:000
540199131,3cyclictest0-21swapper/011:15:150
5401991310,2cyclictest25480-21kworker/u8:112:13:050
5401991310,2cyclictest18106-21kworker/u8:109:40:040
5401991310,2cyclictest18106-21kworker/u8:109:18:040
5401991310,2cyclictest11868-21kworker/u8:210:52:020
5401991310,2cyclictest0-21swapper/012:29:360
540199130,2cyclictest21809-21diskmemload11:58:080
540199130,2cyclictest0-21swapper/011:13:050
540199130,2cyclictest0-21swapper/009:20:110
540199130,11cyclictest0-21swapper/012:17:040
540199130,11cyclictest0-21swapper/010:14:460
305072130,2sleep00-21swapper/010:25:070
540499129,2cyclictest9955-21kworker/u8:008:55:053
540499129,2cyclictest9955-21kworker/u8:008:48:043
540499129,2cyclictest21809-21diskmemload11:20:373
540499129,2cyclictest21809-21diskmemload11:20:373
540499129,2cyclictest21121-21kworker/u8:107:46:063
540499129,2cyclictest17906-21kworker/u8:008:00:053
540499129,2cyclictest0-21swapper/307:41:363
540499120,2cyclictest21809-21diskmemload09:25:223
540499120,2cyclictest0-21swapper/308:36:013
540499120,11cyclictest0-21swapper/309:01:013
540399129,2cyclictest0-21swapper/212:02:252
540399129,2cyclictest0-21swapper/211:44:342
540399129,2cyclictest0-21swapper/211:00:042
540399129,2cyclictest0-21swapper/210:55:132
540399129,2cyclictest0-21swapper/210:39:442
540399129,2cyclictest0-21swapper/209:16:552
540399127,3cyclictest0-21swapper/210:30:592
540399122,7cyclictest0-21swapper/208:39:582
540399122,5cyclictest0-21swapper/207:30:002
540399121,9cyclictest11185-21ssh11:45:122
540399121,6cyclictest0-21swapper/208:55:012
540399120,2cyclictest0-21swapper/212:15:062
540399120,2cyclictest0-21swapper/212:10:182
540399120,2cyclictest0-21swapper/211:30:152
540399120,2cyclictest0-21swapper/211:10:532
540399120,2cyclictest0-21swapper/210:45:132
540399120,2cyclictest0-21swapper/209:48:222
540399120,11cyclictest21809-21diskmemload11:26:052
540399120,11cyclictest0-21swapper/210:16:102
540399120,11cyclictest0-21swapper/208:30:072
540399120,10cyclictest0-21swapper/211:39:522
540399120,10cyclictest0-21swapper/209:35:342
540299129,2cyclictest0-21swapper/111:20:291
540299129,2cyclictest0-21swapper/111:20:291
540299129,2cyclictest0-21swapper/110:51:111
540299129,2cyclictest0-21swapper/109:46:531
540299129,2cyclictest0-21swapper/108:25:121
540299129,2cyclictest0-21swapper/108:05:291
540299129,2cyclictest0-21swapper/107:35:181
540299129,2cyclictest0-21swapper/107:25:131
540299128,2cyclictest0-21swapper/107:30:111
540299121,9cyclictest7625-21munin-node1
540299121,3cyclictest30061-21munin-node1
540299121,3cyclictest13972-21munin-node1
540299121,3cyclictest0-21swapper/110:10:171
540299121,3cyclictest0-21swapper/108:04:471
540299120,11cyclictest0-21swapper/112:18:151
540299120,11cyclictest0-21swapper/111:40:051
540299120,11cyclictest0-21swapper/110:47:051
540299120,11cyclictest0-21swapper/110:01:371
540199129,2cyclictest0-21swapper/012:08:030
540199129,2cyclictest0-21swapper/012:00:440
540199129,2cyclictest0-21swapper/011:27:040
540199129,2cyclictest0-21swapper/010:03:560
540199129,2cyclictest0-21swapper/008:10:150
540199129,2cyclictest0-21swapper/008:00:010
540199129,2cyclictest0-21swapper/007:50:170
540199127,3cyclictest15114-21sh09:35:170
540199121,6cyclictest0-21swapper/007:14:590
540199120,2cyclictest9946-21ssh09:30:150
540199120,2cyclictest0-21swapper/011:06:050
540199120,2cyclictest0-21swapper/010:35:340
540199120,11cyclictest0-21swapper/012:35:050
540199120,11cyclictest0-21swapper/010:55:030
540199120,11cyclictest0-21swapper/009:50:150
540199120,10cyclictest0-21swapper/011:42:050
134832120,2sleep00-21swapper/008:46:350
117602120,1sleep211770-21ssh09:31:462
96532110,8sleep20-21swapper/207:20:102
540499118,2cyclictest30045-21kworker/u8:208:10:053
540499112,6cyclictest0-21swapper/307:28:593
540399118,2cyclictest0-21swapper/212:28:352
540399118,2cyclictest0-21swapper/212:21:382
540399118,2cyclictest0-21swapper/211:55:172
540399118,2cyclictest0-21swapper/210:06:212
540399118,2cyclictest0-21swapper/210:00:082
540399118,2cyclictest0-21swapper/208:26:032
540399112,5cyclictest0-21swapper/209:00:592
540399111,7cyclictest0-21swapper/209:07:592
540399110,2cyclictest0-21swapper/211:06:102
540399110,2cyclictest0-21swapper/208:47:342
540299118,2cyclictest0-21swapper/107:20:171
540299117,2cyclictest0-21swapper/108:45:121
540299116,3cyclictest412-21cat08:15:161
540299111,3cyclictest19815-21aten2.4_r3power07:45:111
540199118,2cyclictest25893-21kworker/u8:108:34:020
540199118,2cyclictest0-21swapper/009:56:030
540199118,2cyclictest0-21swapper/009:00:120
540199118,2cyclictest0-21swapper/008:00:110
540199116,3cyclictest3649-21snmpd08:37:440
540199111,6cyclictest0-21swapper/011:30:010
540199111,6cyclictest0-21swapper/007:40:010
540199111,3cyclictest15506-21apt-config07:35:000
540199110,1cyclictest0-21swapper/008:56:020
540199110,10cyclictest0-21swapper/012:20:430
540199110,10cyclictest0-21swapper/011:20:480
540199110,10cyclictest0-21swapper/011:20:470
540199110,10cyclictest0-21swapper/008:26:000
280342110,1sleep20-21swapper/208:05:112
260732110,2sleep00-21swapper/009:46:190
180242110,2sleep018034-21ssh11:51:120
540499107,2cyclictest9955-21kworker/u8:008:53:053
540499102,5cyclictest0-21swapper/307:36:593
540399107,2cyclictest0-21swapper/210:50:102
540399105,3cyclictest0-21swapper/207:42:332
540399102,7cyclictest0-21swapper/207:27:592
540399100,7cyclictest0-21swapper/208:17:592
540299102,5cyclictest0-21swapper/109:03:581
540199105,3cyclictest2903-21cat08:21:030
540199105,3cyclictest10072-21fschecks_count07:20:130
540199102,6cyclictest0-21swapper/008:45:010
54049994,3cyclictest7898-21tr07:15:133
54049994,3cyclictest20500-21fschecks_time09:05:143
54039994,3cyclictest71992sleep207:12:252
54039994,3cyclictest3728-21runrttasks08:11:452
54039994,3cyclictest25989-21cpu08:00:132
54039994,3cyclictest21950-21aten2.4-expect07:50:122
54039992,6cyclictest0-21swapper/208:56:002
54039991,5cyclictest0-21swapper/208:20:112
54019994,3cyclictest32127-21aten2.4-expect08:15:110
54019994,3cyclictest15501-21apt07:35:000
54049980,7cyclictest0-21swapper/308:20:153
54039984,2cyclictest0-21swapper/207:45:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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