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2026-04-13 - 03:02

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 Apr 13, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19923211795,16sleep30-21swapper/319:06:513
20090211696,15sleep00-21swapper/019:08:590
20159210888,15sleep20-21swapper/219:09:542
1837429977,16sleep10-21swapper/119:05:041
323292740,0sleep00-21swapper/022:45:220
323292740,0sleep00-21swapper/022:45:210
316262720,0sleep00-21swapper/000:26:180
162482720,1sleep30-21swapper/300:10:183
232682690,1sleep20-21swapper/223:44:042
14032660,0sleep10-21swapper/122:14:211
163432270,0sleep20-21swapper/223:36:012
271752250,2sleep227179-21kernelversion19:25:162
2019799255,18cyclictest0-21swapper/223:20:112
2019899220,20cyclictest0-21swapper/323:00:123
2019799221,19cyclictest0-21swapper/223:55:112
2019699221,19cyclictest27423-21cut20:45:191
2019699220,3cyclictest0-21swapper/123:29:401
2019699220,3cyclictest0-21swapper/121:33:481
2019799211,3cyclictest0-21swapper/221:10:122
2019699210,3cyclictest3877-21diskmemload22:50:191
2019699210,3cyclictest0-21swapper/123:10:181
2019699210,3cyclictest0-21swapper/122:45:151
2019699210,3cyclictest0-21swapper/122:45:141
2019699210,3cyclictest0-21swapper/122:40:191
2019699210,3cyclictest0-21swapper/122:40:181
2019699210,3cyclictest0-21swapper/119:50:141
2019699210,3cyclictest0-21swapper/119:40:151
2019699210,3cyclictest0-21swapper/100:18:511
2019699210,2cyclictest0-21swapper/123:45:171
2019699210,2cyclictest0-21swapper/100:05:121
2019699210,13cyclictest0-21swapper/121:50:261
2019599211,18cyclictest0-21swapper/023:55:120
20198992017,2cyclictest0-21swapper/322:15:103
20196992017,2cyclictest0-21swapper/122:15:101
2019699201,3cyclictest0-21swapper/120:55:161
2019699201,3cyclictest0-21swapper/120:40:161
2019699201,3cyclictest0-21swapper/120:35:151
2019699200,3cyclictest9587-21diskmemload21:48:591
2019699200,3cyclictest9088-21chrt00:03:141
2019699200,3cyclictest6043-21ssh00:34:271
2019699200,3cyclictest20828-21hddtemp_smartct22:00:151
2019699200,3cyclictest14872-21ntpq21:20:191
2019699200,3cyclictest14110-21ssh22:26:191
2019699200,3cyclictest0-21swapper/122:09:541
2019699200,3cyclictest0-21swapper/121:38:351
2019699200,3cyclictest0-21swapper/120:50:341
2019699200,3cyclictest0-21swapper/100:11:261
2019699200,18cyclictest0-21swapper/121:43:571
2019699200,13cyclictest0-21swapper/121:14:271
20195992017,2cyclictest0-21swapper/023:20:110
20195992017,2cyclictest0-21swapper/020:35:130
20198991915,2cyclictest22986-21ssh23:10:123
2019899190,17cyclictest0-21swapper/320:50:133
2019699191,3cyclictest27355-21awk19:25:161
2019699191,3cyclictest1503-21chrt23:55:121
2019699191,3cyclictest0-21swapper/119:11:011
20196991910,7cyclictest0-21swapper/119:35:281
2019699190,3cyclictest9708-21sh22:55:261
2019699190,3cyclictest30939-21munin-node1
2019699190,3cyclictest0-21swapper/123:31:031
2019699190,3cyclictest0-21swapper/121:25:381
2019699190,2cyclictest24481-21telnet19:20:101
2019699190,2cyclictest0-21swapper/123:52:111
2019699190,2cyclictest0-21swapper/121:15:341
2019699181,3cyclictest0-21swapper/123:00:131
2019699181,3cyclictest0-21swapper/120:10:121
2019699180,3cyclictest0-21swapper/123:21:021
2019699180,3cyclictest0-21swapper/121:56:031
2019699180,2cyclictest0-21swapper/123:36:371
2019699180,2cyclictest0-21swapper/123:16:511
2019699180,2cyclictest0-21swapper/122:38:431
2019699180,2cyclictest0-21swapper/122:20:151
2019699180,2cyclictest0-21swapper/100:38:341
2019699180,16cyclictest2086-21munin-node1
2019699180,16cyclictest0-21swapper/122:30:111
2019699180,11cyclictest0-21swapper/100:22:101
20198991712,3cyclictest15395-21ssh21:55:123
2019799171,3cyclictest5480-21df_abs23:25:132
20196991712,3cyclictest0-21swapper/119:30:171
2019699171,14cyclictest0-21swapper/123:40:131
2019699170,3cyclictest0-21swapper/120:01:001
20198991613,2cyclictest8079-21kworker/u8:021:50:043
20198991613,2cyclictest14828-21kworker/u8:100:23:043
2019899160,7cyclictest0-21swapper/320:02:023
2019799161,3cyclictest11910-21ssh22:25:052
2019699164,3cyclictest21342-21processes20:30:201
2019699163,4cyclictest19204-21tr20:25:161
2019699160,3cyclictest16352-21munin-node1
20198991512,2cyclictest836-21kworker/u8:121:47:053
20198991512,2cyclictest20508-21kworker/u8:019:25:053
2019899151,12cyclictest13937-21users22:26:033
20198991511,2cyclictest0-21swapper/323:40:263
20198991510,3cyclictest5054-21kworker/u8:022:48:453
20198991510,3cyclictest5054-21kworker/u8:022:48:443
20198991510,3cyclictest30306-21ssh23:16:593
2019899150,2cyclictest0-21swapper/320:25:113
2019899150,10cyclictest0-21swapper/322:02:053
2019799151,3cyclictest19135-21memory20:25:162
2019799151,2cyclictest0-21swapper/200:35:142
20197991510,3cyclictest0-21swapper/200:34:052
2019799150,13cyclictest0-21swapper/222:36:032
2019699155,8cyclictest2266-21grep21:05:131
2019699154,3cyclictest651-21if_eth021:00:151
2019699153,3cyclictest8059-21cron20:00:011
2019699153,3cyclictest22921-21fschecks_time19:15:151
2019699153,3cyclictest22921-21fschecks_time19:15:141
2019699153,3cyclictest159782sleep120:18:181
2019699151,12cyclictest0-21swapper/123:05:141
2019599152,11cyclictest0-21swapper/000:05:120
20195991510,3cyclictest0-21swapper/023:45:280
148752150,2sleep30-21swapper/300:09:583
89542140,2sleep00-21swapper/000:03:020
20198991411,2cyclictest30066-21kworker/u8:100:02:053
20198991411,2cyclictest29315-21kworker/u8:222:12:053
20198991411,2cyclictest21372-21kworker/u8:221:43:053
20198991411,2cyclictest0-21swapper/319:55:113
2019899141,11cyclictest31268-21ssh23:51:403
20198991410,3cyclictest24509-21ssh22:37:333
2019899140,13cyclictest0-21swapper/319:10:123
2019899140,12cyclictest3877-21diskmemload22:50:253
2019899140,12cyclictest22770-21ssh00:17:243
2019899140,12cyclictest0-21swapper/300:33:183
2019799149,3cyclictest16106-21iostat_ios21:55:162
20197991410,2cyclictest0-21swapper/222:20:192
2019799140,3cyclictest29848-21unixbench_singl20:51:042
2019799140,2cyclictest0-21swapper/223:51:552
2019799140,13cyclictest0-21swapper/221:31:052
2019799140,13cyclictest0-21swapper/220:05:152
2019799140,12cyclictest0-21swapper/223:04:032
2019799140,12cyclictest0-21swapper/221:26:002
2019799140,12cyclictest0-21swapper/221:23:172
2019799140,12cyclictest0-21swapper/221:15:032
2019699142,3cyclictest10400-21aten2.4-expect20:05:121
20195991411,2cyclictest29315-21kworker/u8:222:23:040
20195991411,2cyclictest14634-21kworker/u8:123:37:040
20195991411,2cyclictest14016-21kworker/u8:121:32:040
2019599140,13cyclictest0-21swapper/022:13:560
2019599140,12cyclictest0-21swapper/023:50:070
2019599140,12cyclictest0-21swapper/022:41:030
2019599140,12cyclictest0-21swapper/022:41:030
68612130,2sleep30-21swapper/321:12:023
204072130,2sleep00-21swapper/019:10:120
2019899138,3cyclictest21298-21ssh23:07:523
2019899135,5cyclictest0-21swapper/319:31:583
20198991310,2cyclictest27052-21kworker/u8:021:35:043
20198991310,2cyclictest2339-21kworker/u8:123:28:053
20198991310,2cyclictest18624-21sh21:25:013
20198991310,2cyclictest0-21swapper/322:34:143
20198991310,2cyclictest0-21swapper/322:22:293
2019899130,2cyclictest3877-21diskmemload21:30:173
2019899130,2cyclictest0-21swapper/323:46:313
2019899130,2cyclictest0-21swapper/323:22:043
2019899130,2cyclictest0-21swapper/321:20:103
2019899130,2cyclictest0-21swapper/321:16:583
2019899130,2cyclictest0-21swapper/319:50:133
2019899130,2cyclictest0-21swapper/300:27:223
2019899130,12cyclictest12195-21ssh22:58:413
2019899130,12cyclictest0-21swapper/320:35:153
2019899130,12cyclictest0-21swapper/320:30:423
2019899130,12cyclictest0-21swapper/320:10:133
2019799138,3cyclictest23880-21ssh00:19:112
2019799132,6cyclictest0-21swapper/220:05:002
2019799132,6cyclictest0-21swapper/219:45:012
20197991310,2cyclictest0-21swapper/222:59:332
20197991310,2cyclictest0-21swapper/222:14:062
20197991310,2cyclictest0-21swapper/222:07:332
20197991310,2cyclictest0-21swapper/221:40:112
20197991310,2cyclictest0-21swapper/220:30:162
20197991310,2cyclictest0-21swapper/219:50:182
2019799130,12cyclictest0-21swapper/223:08:032
2019799130,12cyclictest0-21swapper/222:00:112
2019799130,12cyclictest0-21swapper/200:21:182
2019799130,11cyclictest0-21swapper/222:52:042
2019599132,6cyclictest0-21swapper/021:10:000
20195991311,1cyclictest0-21swapper/022:35:460
20195991310,2cyclictest9328-21kworker/u8:220:14:050
20195991310,2cyclictest9230-21kworker/u8:023:30:050
20195991310,2cyclictest8079-21kworker/u8:021:48:050
20195991310,2cyclictest22530-21kworker/u8:023:14:050
20195991310,2cyclictest20508-21kworker/u8:019:22:050
20195991310,2cyclictest14828-21kworker/u8:100:11:040
20195991310,2cyclictest0-21swapper/023:18:060
20195991310,2cyclictest0-21swapper/023:05:470
20195991310,2cyclictest0-21swapper/022:58:450
2019599130,3cyclictest3597-21ssh22:50:090
2019599130,12cyclictest0-21swapper/023:40:060
2019599130,12cyclictest0-21swapper/022:30:250
2019599130,12cyclictest0-21swapper/022:08:150
2019599130,12cyclictest0-21swapper/000:37:550
2019599130,11cyclictest13139-21ssh21:51:590
2019899129,2cyclictest20508-21kworker/u8:019:36:043
2019899129,2cyclictest0-21swapper/323:36:253
2019899129,2cyclictest0-21swapper/323:30:043
2019899129,2cyclictest0-21swapper/322:40:353
2019899129,2cyclictest0-21swapper/322:40:343
2019899129,2cyclictest0-21swapper/319:15:123
2019899129,2cyclictest0-21swapper/319:15:113
2019899122,7cyclictest4556-21metacity20:07:593
2019899120,2cyclictest0-21swapper/323:55:073
2019899120,2cyclictest0-21swapper/322:05:193
2019899120,2cyclictest0-21swapper/300:35:473
2019899120,11cyclictest0-21swapper/320:45:003
2019799129,2cyclictest3877-21diskmemload21:48:452
2019799129,2cyclictest18101-21ssh22:30:412
2019799129,2cyclictest0-21swapper/221:52:132
2019799129,2cyclictest0-21swapper/200:25:322
2019799129,2cyclictest0-21swapper/200:10:162
2019799127,3cyclictest0-21swapper/219:35:122
2019799122,7cyclictest0-21swapper/221:09:592
2019799122,6cyclictest26287-21copy19:25:002
2019799122,6cyclictest0-21swapper/220:25:012
2019799120,2cyclictest30333-21ssh22:44:072
2019799120,2cyclictest30333-21ssh22:44:062
2019799120,2cyclictest0-21swapper/223:46:342
2019799120,2cyclictest0-21swapper/223:15:502
2019799120,2cyclictest0-21swapper/222:46:332
2019799120,2cyclictest0-21swapper/222:46:332
2019799120,11cyclictest0-21swapper/223:32:232
2019799120,11cyclictest0-21swapper/223:11:142
2019799120,11cyclictest0-21swapper/221:35:592
2019799120,11cyclictest0-21swapper/200:06:052
2019799120,11cyclictest0-21swapper/200:01:252
2019599129,2cyclictest9328-21kworker/u8:220:28:040
2019599129,2cyclictest3877-21diskmemload23:28:310
2019599129,2cyclictest29953-21kworker/u8:121:01:050
2019599129,2cyclictest24140-21kworker/u8:221:18:010
2019599129,2cyclictest20508-21kworker/u8:019:56:060
2019599129,2cyclictest20476-21kworker/u8:020:34:050
2019599129,2cyclictest0-21swapper/000:20:260
2019599129,2cyclictest0-21swapper/000:18:460
2019599121,6cyclictest31506-21pzem_current19:35:180
2019599120,2cyclictest0-21swapper/022:29:510
2019599120,2cyclictest0-21swapper/000:30:020
2019599120,11cyclictest0-21swapper/023:03:210
2019599120,11cyclictest0-21swapper/022:16:000
2019599120,11cyclictest0-21swapper/022:00:130
2019599120,11cyclictest0-21swapper/021:55:160
2019899118,2cyclictest29953-21kworker/u8:121:02:013
2019899118,2cyclictest12444-21kworker/u8:020:20:043
2019899118,2cyclictest0-21swapper/321:06:053
2019899118,2cyclictest0-21swapper/319:20:123
2019799118,2cyclictest0-21swapper/222:15:232
2019799112,6cyclictest0-21swapper/220:56:012
2019799112,6cyclictest0-21swapper/219:56:592
2019799112,6cyclictest0-21swapper/219:17:022
2019799112,6cyclictest0-21swapper/219:17:012
2019799111,7cyclictest0-21swapper/220:46:592
2019599118,2cyclictest9328-21kworker/u8:220:07:050
2019599118,2cyclictest20476-21kworker/u8:020:41:040
2019599111,6cyclictest0-21swapper/019:45:010
2019599110,6cyclictest0-21swapper/019:53:040
128532110,1sleep2301ktimersoftd/220:10:142
2019899107,2cyclictest9328-21kworker/u8:220:15:053
2019899107,2cyclictest29953-21kworker/u8:120:55:053
2019899107,2cyclictest20476-21kworker/u8:020:48:013
2019799101,3cyclictest0-21swapper/220:43:592
2019599107,2cyclictest29953-21kworker/u8:121:05:040
2019599107,2cyclictest27947-21kworker/u8:219:26:040
2019599107,2cyclictest20508-21kworker/u8:019:40:050
2019599107,2cyclictest20508-21kworker/u8:019:19:050
2019599107,2cyclictest20508-21kworker/u8:019:19:040
2019599107,2cyclictest0-21swapper/020:00:150
201989996,2cyclictest20508-21kworker/u8:019:45:043
201989996,2cyclictest0-21swapper/319:40:183
201979996,2cyclictest0-21swapper/220:15:402
201979994,3cyclictest28783-21tr19:30:132
201979994,3cyclictest2617-21fschecks_time19:45:152
201979994,3cyclictest20667-21cpuspeed_turbos19:10:142
201979994,3cyclictest1383-21grep21:01:022
201959996,2cyclictest27947-21kworker/u8:219:30:050
201959996,2cyclictest24140-21kworker/u8:220:50:040
201959996,2cyclictest20476-21kworker/u8:020:48:060
201959994,3cyclictest17341-21processes20:20:190
201959994,3cyclictest14613-21interrupts21:20:170
201959994,3cyclictest1204-21fschecks_count21:40:130
201959994,3cyclictest0-21swapper/021:38:570
201959994,3cyclictest0-21swapper/020:55:150
201959993,4cyclictest19054-21grep21:25:130
201979983,3cyclictest22449-21aten2.4-expect20:35:122
201959980,2cyclictest0-21swapper/020:15:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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