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2026-06-30 - 14:19

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 Tue Jun 30, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2821521420,4sleep01054599cyclictest10:20:570
103322121110,6sleep30-21swapper/307:07:393
10336211190,16sleep20-21swapper/207:07:422
9783210998,6sleep10-21swapper/107:05:441
9769210178,18sleep00-21swapper/007:05:400
87602760,2sleep3381ktimersoftd/310:00:123
64592760,0sleep00-21swapper/011:07:590
75582690,0sleep10-21swapper/112:20:391
121542680,0sleep00-21swapper/012:25:390
78842580,0sleep00-21swapper/011:45:190
1054699391,19cyclictest20511-21chrt12:00:121
269162230,1sleep1221ktimersoftd/112:06:041
1054699221,19cyclictest0-21swapper/111:15:101
1054699210,2cyclictest0-21swapper/108:40:111
1054699210,19cyclictest0-21swapper/109:15:121
1054799202,2cyclictest26844-21diskmemload10:17:042
10547992017,2cyclictest32554-21kworker/u8:212:32:052
10547992017,2cyclictest32554-21kworker/u8:212:32:052
10547992017,2cyclictest30909-21kworker/u8:011:33:042
10547992017,2cyclictest20710-21kworker/u8:010:10:042
1054599200,18cyclictest0-21swapper/012:20:120
1054599200,18cyclictest0-21swapper/012:10:100
1054599200,15cyclictest0-21swapper/010:37:050
167032190,1sleep20-21swapper/209:33:582
10547991916,2cyclictest6960-21kworker/u8:011:49:042
10547991916,2cyclictest30909-21kworker/u8:011:16:042
10547991916,2cyclictest2751-21kworker/u8:208:57:042
10547991916,2cyclictest26093-21kworker/u8:112:12:012
10547991916,2cyclictest26093-21kworker/u8:111:56:052
10547991916,2cyclictest21222-21kworker/u8:210:26:052
10547991916,2cyclictest20710-21kworker/u8:010:07:042
10547991916,2cyclictest12889-21kworker/u8:110:55:042
10547991916,2cyclictest12079-21kworker/u8:012:27:052
10547991916,2cyclictest1123-21kworker/u8:109:52:052
1054799190,2cyclictest0-21swapper/210:40:042
1054799190,18cyclictest0-21swapper/212:00:122
1054599190,18cyclictest26844-21diskmemload12:35:130
1054599190,18cyclictest0-21swapper/011:04:050
10547991815,2cyclictest7114-21kworker/u8:008:33:042
10547991815,2cyclictest30909-21kworker/u8:011:36:052
10547991815,2cyclictest25008-21kworker/u8:211:03:042
10547991815,2cyclictest23141-21kworker/u8:109:06:052
10547991815,2cyclictest22935-21kworker/u8:108:08:052
10547991815,2cyclictest21222-21kworker/u8:210:34:042
10547991815,2cyclictest21222-21kworker/u8:210:20:052
10547991815,2cyclictest20710-21kworker/u8:010:03:042
10547991815,2cyclictest20710-21kworker/u8:009:58:022
10547991815,2cyclictest20710-21kworker/u8:009:03:042
10547991815,2cyclictest18905-21kworker/u8:207:42:022
10547991815,2cyclictest14430-21kworker/u8:207:18:052
10547991815,2cyclictest12679-21kworker/u8:211:53:042
1054799180,17cyclictest0-21swapper/209:43:042
27372170,0sleep10-21swapper/111:04:471
10547991714,2cyclictest2751-21kworker/u8:208:11:042
10547991714,2cyclictest21222-21kworker/u8:210:46:052
10547991714,2cyclictest18905-21kworker/u8:207:33:042
10547991714,2cyclictest14430-21kworker/u8:207:22:042
10547991714,2cyclictest10794-21kworker/u8:007:37:042
1054799171,14cyclictest0-21swapper/211:05:142
1054599170,12cyclictest0-21swapper/010:01:040
10548991611,3cyclictest0-21swapper/308:11:003
10547991613,2cyclictest30909-21kworker/u8:011:25:042
10547991613,2cyclictest22935-21kworker/u8:107:47:042
1054799160,2cyclictest0-21swapper/212:05:042
1054799160,11cyclictest0-21swapper/211:11:052
1054799160,11cyclictest0-21swapper/209:20:042
10546991612,2cyclictest16032-21ssh10:08:031
12102150,0sleep30-21swapper/311:02:133
1054899150,13cyclictest11964-21sed07:11:023
10547991512,2cyclictest7114-21kworker/u8:008:21:042
10547991512,2cyclictest22935-21kworker/u8:107:54:042
1054799150,2cyclictest0-21swapper/212:35:042
1054799150,11cyclictest0-21swapper/209:17:042
10546991512,2cyclictest221ktimersoftd/109:39:421
10546991512,2cyclictest0-21swapper/112:11:491
1054699151,12cyclictest24446-21sort12:40:001
1054699151,12cyclictest21-21rcuc/111:05:291
10546991510,3cyclictest0-21swapper/111:50:131
1054699150,13cyclictest29604-21fschecks_time07:55:131
10545991512,2cyclictest101ktimersoftd/011:27:370
190232141,2sleep019053-21aten2.4_r3power08:50:120
1054899142,7cyclictest3204-21ssh10:30:003
1054899141,7cyclictest0-21swapper/309:05:003
1054899141,3cyclictest3267-21ssh09:54:483
10548991411,2cyclictest0-21swapper/312:30:113
10548991411,2cyclictest0-21swapper/312:30:103
1054899140,7cyclictest0-21swapper/307:31:583
1054899140,12cyclictest14728-21ssh11:16:303
10547991411,2cyclictest0-21swapper/212:21:182
10547991411,2cyclictest0-21swapper/209:13:542
1054799140,9cyclictest0-21swapper/208:29:042
1054799140,13cyclictest0-21swapper/211:20:142
1054799140,12cyclictest11633-21ssh10:38:452
1054699143,9cyclictest19910-21latency_hist12:35:001
1054699143,9cyclictest19910-21latency_hist12:35:001
10546991411,2cyclictest221ktimersoftd/110:16:251
1054699141,11cyclictest0-21swapper/109:34:041
1054699141,11cyclictest0-21swapper/108:05:521
10546991410,2cyclictest0-21swapper/110:00:121
1054699140,2cyclictest0-21swapper/109:00:011
10545991411,2cyclictest0-21swapper/010:49:340
10545991411,2cyclictest0-21swapper/009:16:030
10545991410,2cyclictest2699-21sort08:10:000
1054599140,2cyclictest0-21swapper/010:55:140
1054599140,13cyclictest0-21swapper/009:20:340
1054599140,12cyclictest0-21swapper/012:30:150
1054599140,12cyclictest0-21swapper/012:30:150
1054599140,12cyclictest0-21swapper/012:09:120
1054599140,12cyclictest0-21swapper/009:11:030
84322130,1sleep00-21swapper/009:25:100
127412130,0sleep30-21swapper/311:50:433
1054899132,7cyclictest7721-21copy11:10:003
1054899132,6cyclictest0-21swapper/309:45:013
1054899132,6cyclictest0-21swapper/307:30:013
10548991310,2cyclictest0-21swapper/310:30:183
10548991310,2cyclictest0-21swapper/308:46:023
1054899130,2cyclictest264202chrt12:05:543
1054899130,2cyclictest0-21swapper/307:50:133
1054899130,12cyclictest0-21swapper/310:20:503
1054899130,12cyclictest0-21swapper/309:45:183
1054899130,11cyclictest0-21swapper/312:28:053
1054899130,11cyclictest0-21swapper/312:22:403
1054899130,11cyclictest0-21swapper/311:55:053
1054899130,11cyclictest0-21swapper/311:27:333
1054899130,11cyclictest0-21swapper/310:52:443
1054899130,11cyclictest0-21swapper/309:21:573
1054799131,6cyclictest0-21swapper/208:55:002
10547991310,2cyclictest2751-21kworker/u8:208:19:042
10547991310,2cyclictest0-21swapper/209:27:342
10547991310,2cyclictest0-21swapper/208:45:172
1054799130,2cyclictest0-21swapper/212:15:242
1054799130,12cyclictest0-21swapper/209:45:152
1054799130,12cyclictest0-21swapper/207:59:042
1054799130,11cyclictest4604-21ssh11:41:322
1054699139,3cyclictest0-21swapper/109:46:041
1054699133,8cyclictest24950-21munin-node1
1054699133,8cyclictest0-21swapper/109:11:031
1054699132,9cyclictest0-21swapper/107:30:141
1054699131,10cyclictest0-21swapper/111:20:291
10546991310,2cyclictest221ktimersoftd/109:52:041
10546991310,2cyclictest221ktimersoftd/109:40:041
10546991310,2cyclictest0-21swapper/111:38:451
10546991310,2cyclictest0-21swapper/110:36:351
10546991310,2cyclictest0-21swapper/110:26:221
1054699130,11cyclictest26844-21diskmemload11:40:031
1054699130,11cyclictest11973-21cut08:30:191
1054699130,11cyclictest0-21swapper/111:11:041
1054699130,11cyclictest0-21swapper/108:25:391
10545991310,2cyclictest26844-21diskmemload11:24:470
10545991310,2cyclictest0-21swapper/011:42:550
10545991310,2cyclictest0-21swapper/011:37:490
10545991310,2cyclictest0-21swapper/010:42:550
10545991310,2cyclictest0-21swapper/010:05:590
10545991310,2cyclictest0-21swapper/009:51:050
10545991310,2cyclictest0-21swapper/009:40:290
1054599130,3cyclictest9043-21ssh11:10:220
1054599130,2cyclictest0-21swapper/011:16:380
1054599130,2cyclictest0-21swapper/009:59:570
1054599130,2cyclictest0-21swapper/009:38:120
1054599130,12cyclictest0-21swapper/008:30:140
1054599130,11cyclictest0-21swapper/012:00:560
1054599130,11cyclictest0-21swapper/010:26:290
1054599130,11cyclictest0-21swapper/010:15:160
1054599130,11cyclictest0-21swapper/009:05:210
1054899129,2cyclictest0-21swapper/311:43:433
1054899129,2cyclictest0-21swapper/311:20:193
1054899129,2cyclictest0-21swapper/310:15:093
1054899129,2cyclictest0-21swapper/309:55:173
1054899122,6cyclictest0-21swapper/307:21:013
1054899122,5cyclictest0-21swapper/308:30:003
1054899121,6cyclictest0-21swapper/311:40:003
1054899120,2cyclictest0-21swapper/312:36:173
1054899120,2cyclictest0-21swapper/312:14:503
1054899120,2cyclictest0-21swapper/312:00:093
1054899120,2cyclictest0-21swapper/311:46:453
1054899120,11cyclictest0-21swapper/311:10:393
1054899120,11cyclictest0-21swapper/310:55:183
1054899120,11cyclictest0-21swapper/310:11:253
1054899120,11cyclictest0-21swapper/310:05:593
1054899120,11cyclictest0-21swapper/309:10:493
1054899120,11cyclictest0-21swapper/308:51:053
1054899120,11cyclictest0-21swapper/307:55:133
1054899120,11cyclictest0-21swapper/307:35:143
1054899120,10cyclictest26844-21diskmemload12:18:093
1054799129,2cyclictest0-21swapper/210:51:062
1054799129,2cyclictest0-21swapper/209:35:292
1054799122,8cyclictest0-21swapper/208:40:002
1054799120,2cyclictest0-21swapper/208:00:172
1054699129,2cyclictest0-21swapper/111:31:031
1054699129,2cyclictest0-21swapper/110:47:121
1054699129,2cyclictest0-21swapper/110:41:251
1054699129,2cyclictest0-21swapper/110:20:311
1054699129,2cyclictest0-21swapper/109:05:211
1054699123,2cyclictest0-21swapper/112:25:141
1054699123,2cyclictest0-21swapper/110:55:131
1054699122,8cyclictest15875-21munin-node1
1054699122,8cyclictest0-21swapper/111:45:131
1054699122,8cyclictest0-21swapper/110:10:171
1054699122,2cyclictest0-21swapper/109:25:131
1054699121,9cyclictest4134-21perl10:30:141
1054699121,9cyclictest221ktimersoftd/107:15:071
1054699121,9cyclictest0-21swapper/110:50:141
1054699120,11cyclictest0-21swapper/109:24:231
1054699120,11cyclictest0-21swapper/107:26:021
1054699120,10cyclictest0-21swapper/108:20:391
1054599129,2cyclictest4968-21ssh10:30:450
1054599129,2cyclictest0-21swapper/011:30:070
1054599129,2cyclictest0-21swapper/010:10:130
1054599129,2cyclictest0-21swapper/009:45:250
1054599129,2cyclictest0-21swapper/009:30:220
1054599129,2cyclictest0-21swapper/009:00:120
1054599129,2cyclictest0-21swapper/007:10:130
1054599123,6cyclictest0-21swapper/008:16:020
1054599122,7cyclictest0-21swapper/007:27:580
1054599120,2cyclictest0-21swapper/012:15:540
1054599120,2cyclictest0-21swapper/011:50:380
1054599120,2cyclictest0-21swapper/008:35:150
1054599120,2cyclictest0-21swapper/007:30:140
1054599120,11cyclictest0-21swapper/011:56:020
1054599120,11cyclictest0-21swapper/010:50:020
1054599120,11cyclictest0-21swapper/008:45:120
1054599120,11cyclictest0-21swapper/007:15:160
222732110,1sleep0101ktimersoftd/007:36:030
1054899118,2cyclictest0-21swapper/307:45:153
1054899118,2cyclictest0-21swapper/307:15:193
1054899116,3cyclictest17658-21df_abs10:45:143
1054899116,3cyclictest13298-21cut09:30:123
1054899112,6cyclictest0-21swapper/308:43:593
1054899112,6cyclictest0-21swapper/308:16:593
1054899111,6cyclictest0-21swapper/308:56:033
1054899110,7cyclictest0-21swapper/308:05:003
1054899110,2cyclictest0-21swapper/311:30:383
1054899110,2cyclictest0-21swapper/309:26:573
1054899110,2cyclictest0-21swapper/309:17:543
1054899110,10cyclictest0-21swapper/309:36:103
1054799110,2cyclictest0-21swapper/207:29:042
1054699118,2cyclictest0-21swapper/111:25:001
1054699117,3cyclictest22943-21munin-node1
1054699112,7cyclictest22771-21wc07:40:001
1054699112,7cyclictest21-21rcuc/109:55:081
1054699112,7cyclictest0-21swapper/108:00:151
1054699111,8cyclictest0-21swapper/107:20:161
1054699111,8cyclictest0-21swapper/107:10:171
1054699111,6cyclictest0-21swapper/108:40:001
1054699111,5cyclictest0-21swapper/108:50:001
1054699110,9cyclictest20974-21sort08:55:001
1054699110,9cyclictest0-21swapper/109:00:131
1054699110,9cyclictest0-21swapper/108:15:141
1054699110,9cyclictest0-21swapper/107:50:171
1054699110,10cyclictest0-21swapper/112:18:311
1054599112,6cyclictest0-21swapper/008:02:580
1054599112,6cyclictest0-21swapper/007:45:010
1054899107,2cyclictest0-21swapper/310:37:253
1054899102,6cyclictest542-21copy08:05:003
1054899100,9cyclictest0-21swapper/310:40:253
1054799102,6cyclictest12-21rcu_preempt08:41:012
1054799101,7cyclictest12138-21grep07:11:022
1054599102,6cyclictest0-21swapper/007:23:370
1054599102,5cyclictest0-21swapper/008:44:580
1054599102,5cyclictest0-21swapper/007:54:580
1054599100,9cyclictest2751-21kworker/u8:208:56:050
1054599100,9cyclictest0-21swapper/007:44:590
1054599100,7cyclictest0-21swapper/008:13:580
105489994,3cyclictest7558-21grep08:20:153
105489994,3cyclictest23729-21kernelversion09:00:163
105489994,3cyclictest23267-21df_abs07:40:133
105489991,3cyclictest0-21swapper/308:36:033
105489991,3cyclictest0-21swapper/308:30:113
105469996,2cyclictest0-21swapper/108:10:091
105459992,6cyclictest0-21swapper/008:23:500
105459985,2cyclictest0-21swapper/008:28:460
105459980,7cyclictest0-21swapper/007:58:590
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