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2026-04-24 - 15:00

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 Apr 24, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28557211497,12sleep10-21swapper/107:07:481
284322113102,6sleep00-21swapper/007:06:120
28512210897,6sleep30-21swapper/307:07:143
28583210579,6sleep20-21swapper/207:08:092
227762530,1sleep00-21swapper/012:09:350
284452240,1sleep0101ktimersoftd/012:15:130
318432220,1sleep30-21swapper/308:35:163
2875899221,19cyclictest13855-21ssh12:00:103
2875899220,20cyclictest0-21swapper/307:10:113
2875699220,20cyclictest0-21swapper/112:10:111
68722210,1sleep1221ktimersoftd/108:55:011
260892210,0sleep30-21swapper/309:23:123
130472210,1sleep3381ktimersoftd/312:32:383
2875899200,18cyclictest0-21swapper/308:25:103
2875799190,17cyclictest0-21swapper/212:30:102
2875699191,2cyclictest12784-21diskmemload10:35:121
2875899181,15cyclictest0-21swapper/308:50:013
2875799180,7cyclictest0-21swapper/208:03:592
2875699180,16cyclictest0-21swapper/108:25:111
28755991814,2cyclictest0-21swapper/012:30:110
140672180,1sleep30-21swapper/307:50:493
116522180,1sleep10-21swapper/110:15:171
2875899177,6cyclictest3688-21Xorg07:16:013
2875599171,3cyclictest26778-21sh11:05:170
2875799160,4cyclictest0-21swapper/208:34:592
2875699161,2cyclictest11548-21fschecks_time09:05:141
28757991511,2cyclictest0-21swapper/208:40:132
2875799150,6cyclictest0-21swapper/208:54:592
2875799150,4cyclictest0-21swapper/208:57:592
2875799150,13cyclictest0-21swapper/212:28:582
2875699150,13cyclictest0-21swapper/111:24:411
2875599150,2cyclictest0-21swapper/010:30:070
70792141,9sleep07093-21ssh10:10:230
2875899142,7cyclictest0-21swapper/309:00:013
2875899142,6cyclictest0-21swapper/311:15:003
2875799149,3cyclictest6759-21sed09:36:032
2875799142,7cyclictest0-21swapper/208:27:022
28757991411,2cyclictest0-21swapper/212:37:382
28757991411,2cyclictest0-21swapper/211:11:472
2875799141,11cyclictest8752-21apt-get11:55:062
28757991410,2cyclictest24972-21rm12:11:032
2875799140,2cyclictest0-21swapper/210:33:072
2875799140,2cyclictest0-21swapper/210:20:172
2875799140,2cyclictest0-21swapper/208:35:122
2875799140,12cyclictest17239-21runrttasks09:14:282
2875799140,12cyclictest0-21swapper/209:56:272
2875799140,12cyclictest0-21swapper/209:48:112
2875699149,3cyclictest27136-21ssh11:05:201
2875699149,3cyclictest13150-21tr11:25:121
2875699149,3cyclictest0-21swapper/110:46:431
2875699142,6cyclictest0-21swapper/110:55:011
2875699142,2cyclictest0-21swapper/109:55:331
28756991411,2cyclictest0-21swapper/112:04:151
2875699140,3cyclictest0-21swapper/109:18:501
2875699140,2cyclictest12784-21diskmemload12:39:141
2875699140,2cyclictest0-21swapper/110:14:591
2875699140,12cyclictest0-21swapper/112:20:281
2875699140,12cyclictest0-21swapper/111:35:041
2875699140,12cyclictest0-21swapper/110:21:161
2875699140,12cyclictest0-21swapper/109:10:071
28755991411,2cyclictest12784-21diskmemload10:02:160
2875599140,12cyclictest27111-21ssh11:40:120
2875599140,12cyclictest0-21swapper/009:20:380
54772130,2sleep10-21swapper/112:25:131
32322130,1sleep20-21swapper/210:06:252
2875899132,6cyclictest0-21swapper/310:20:003
2875899132,6cyclictest0-21swapper/309:44:593
2875899131,10cyclictest0-21swapper/309:30:113
28758991310,2cyclictest0-21swapper/307:55:173
2875899130,3cyclictest10695-21latency_hist07:45:003
2875799139,2cyclictest0-21swapper/211:41:172
28757991310,2cyclictest0-21swapper/212:20:072
28757991310,2cyclictest0-21swapper/212:05:572
28757991310,2cyclictest0-21swapper/211:39:232
28757991310,2cyclictest0-21swapper/211:25:022
28757991310,2cyclictest0-21swapper/211:05:522
28757991310,2cyclictest0-21swapper/210:52:422
28757991310,2cyclictest0-21swapper/210:46:122
28757991310,2cyclictest0-21swapper/210:43:082
28757991310,2cyclictest0-21swapper/209:21:022
28757991310,2cyclictest0-21swapper/209:05:112
28757991310,2cyclictest0-21swapper/208:20:142
2875799130,4cyclictest0-21swapper/208:47:592
2875799130,4cyclictest0-21swapper/208:14:592
2875799130,4cyclictest0-21swapper/207:59:582
2875799130,12cyclictest0-21swapper/210:38:082
2875799130,12cyclictest0-21swapper/210:15:082
2875799130,12cyclictest0-21swapper/210:01:482
2875799130,12cyclictest0-21swapper/209:29:572
2875699132,6cyclictest0-21swapper/108:45:011
2875699132,6cyclictest0-21swapper/108:15:001
2875699132,6cyclictest0-21swapper/108:10:011
28756991310,2cyclictest12784-21diskmemload10:51:561
28756991310,2cyclictest0-21swapper/111:56:401
28756991310,2cyclictest0-21swapper/111:51:451
28756991310,2cyclictest0-21swapper/111:32:111
28756991310,2cyclictest0-21swapper/111:32:101
28756991310,2cyclictest0-21swapper/111:15:291
28756991310,2cyclictest0-21swapper/110:42:071
28756991310,2cyclictest0-21swapper/110:33:171
28756991310,2cyclictest0-21swapper/110:27:021
28756991310,2cyclictest0-21swapper/110:02:401
28756991310,2cyclictest0-21swapper/109:33:051
28756991310,2cyclictest0-21swapper/109:25:161
28756991310,2cyclictest0-21swapper/109:20:591
2875699130,2cyclictest0-21swapper/111:45:511
2875699130,2cyclictest0-21swapper/109:53:241
2875699130,2cyclictest0-21swapper/109:36:001
2875699130,2cyclictest0-21swapper/108:55:091
2875699130,2cyclictest0-21swapper/107:31:001
2875699130,1cyclictest0-21swapper/108:15:151
2875699130,1cyclictest0-21swapper/108:15:141
2875699130,12cyclictest29130-21kworker/u8:207:20:041
2875699130,12cyclictest0-21swapper/112:17:531
2875699130,12cyclictest0-21swapper/111:10:561
2875699130,12cyclictest0-21swapper/111:03:571
2875699130,12cyclictest0-21swapper/109:48:511
2875699130,11cyclictest0-21swapper/110:06:401
2875699130,11cyclictest0-21swapper/107:55:391
2875599134,7cyclictest4562-21gdm-simple-gree09:33:590
2875599131,2cyclictest12784-21diskmemload09:27:330
28755991310,2cyclictest0-21swapper/012:24:350
28755991310,2cyclictest0-21swapper/011:02:060
28755991310,2cyclictest0-21swapper/010:43:150
2875599130,12cyclictest19011-21ssh12:39:340
2875599130,12cyclictest0-21swapper/012:11:550
2875599130,12cyclictest0-21swapper/011:55:150
2875599130,12cyclictest0-21swapper/011:39:270
2875599130,12cyclictest0-21swapper/009:45:150
86732120,2sleep00-21swapper/012:28:160
74572120,2sleep30-21swapper/310:45:133
2875899129,2cyclictest0-21swapper/309:50:143
2875899129,2cyclictest0-21swapper/307:20:183
2875899128,3cyclictest19260-21ssh10:57:173
2875899127,3cyclictest29002-21grep11:41:033
2875899122,8cyclictest30966-21ssh12:17:303
2875899122,7cyclictest0-21swapper/311:58:583
2875899122,6cyclictest0-21swapper/309:01:003
2875899121,6cyclictest12784-21diskmemload11:25:003
2875899120,11cyclictest0-21swapper/312:39:033
2875899120,10cyclictest0-21swapper/309:35:183
2875799129,2cyclictest30913-21cut07:15:012
2875799129,2cyclictest0-21swapper/211:51:582
2875799129,2cyclictest0-21swapper/211:32:522
2875799129,2cyclictest0-21swapper/211:32:512
2875799129,2cyclictest0-21swapper/211:03:122
2875799129,2cyclictest0-21swapper/210:56:492
2875799129,2cyclictest0-21swapper/210:26:122
2875799129,2cyclictest0-21swapper/209:42:422
2875799120,2cyclictest0-21swapper/211:46:192
2875799120,2cyclictest0-21swapper/211:15:132
2875799120,2cyclictest0-21swapper/210:10:232
2875799120,11cyclictest0-21swapper/212:15:222
2875799120,11cyclictest0-21swapper/209:52:282
2875799120,11cyclictest0-21swapper/208:05:112
2875799120,11cyclictest0-21swapper/207:36:032
2875699129,2cyclictest0-21swapper/108:35:151
2875699121,3cyclictest0-21swapper/109:40:171
2875699121,3cyclictest0-21swapper/107:30:011
2875699120,2cyclictest0-21swapper/112:31:471
2875699120,2cyclictest0-21swapper/107:50:131
2875699120,1cyclictest0-21swapper/108:00:111
2875699120,11cyclictest12784-21diskmemload11:40:071
2875699120,11cyclictest0-21swapper/112:05:051
2875699120,11cyclictest0-21swapper/108:40:181
2875699120,11cyclictest0-21swapper/107:45:381
2875599129,2cyclictest0-21swapper/010:28:560
2875599129,2cyclictest0-21swapper/009:51:050
2875599129,2cyclictest0-21swapper/009:40:300
2875599129,2cyclictest0-21swapper/009:10:450
2875599129,2cyclictest0-21swapper/009:00:160
2875599129,2cyclictest0-21swapper/008:50:120
2875599129,2cyclictest0-21swapper/007:10:120
2875599120,2cyclictest29774-21ssh10:35:070
2875599120,2cyclictest12784-21diskmemload09:36:360
2875599120,2cyclictest0-21swapper/012:00:310
2875599120,2cyclictest0-21swapper/011:50:030
2875599120,2cyclictest0-21swapper/011:26:550
2875599120,2cyclictest0-21swapper/010:50:130
2875599120,2cyclictest0-21swapper/010:45:100
2875599120,2cyclictest0-21swapper/010:15:430
2875599120,11cyclictest0-21swapper/011:49:350
2875599120,11cyclictest0-21swapper/011:24:060
2875599120,11cyclictest0-21swapper/011:15:510
2875599120,11cyclictest0-21swapper/010:56:450
2875599120,11cyclictest0-21swapper/010:05:250
2875599120,11cyclictest0-21swapper/009:16:450
2875599120,11cyclictest0-21swapper/008:55:160
2875599120,11cyclictest0-21swapper/008:45:150
2875599120,10cyclictest0-21swapper/011:31:140
2875599120,10cyclictest0-21swapper/011:31:130
2875599120,10cyclictest0-21swapper/011:10:100
236072120,3sleep023824-21ssh09:55:010
102652120,2sleep20-21swapper/211:21:242
84662110,1sleep30-21swapper/307:38:243
301332110,2sleep10-21swapper/107:11:011
2875899118,2cyclictest0-21swapper/310:29:383
2875899118,2cyclictest0-21swapper/310:10:183
2875899116,3cyclictest0-21swapper/311:05:153
2875899113,5cyclictest381ktimersoftd/310:39:593
2875899112,5cyclictest0-21swapper/310:21:003
2875899111,3cyclictest25964-21ssh09:56:103
2875899111,3cyclictest0-21swapper/310:05:083
2875899110,9cyclictest30516-21ssh09:27:333
2875899110,9cyclictest0-21swapper/309:13:133
2875899110,2cyclictest0-21swapper/310:30:073
2875799118,2cyclictest0-21swapper/212:01:202
2875799118,2cyclictest0-21swapper/207:50:182
2875799111,7cyclictest4556-21metacity07:29:592
2875799110,7cyclictest0-21swapper/208:18:022
2875799110,7cyclictest0-21swapper/208:18:012
2875799110,10cyclictest0-21swapper/209:32:382
2875799110,10cyclictest0-21swapper/209:15:572
2875699117,2cyclictest0-21swapper/107:35:151
2875699110,9cyclictest0-21swapper/108:20:161
2875699110,3cyclictest8836-21munin-node1
2875599118,2cyclictest0-21swapper/008:20:110
2875599116,3cyclictest0-21swapper/008:15:160
2875599116,3cyclictest0-21swapper/008:15:160
2875599112,5cyclictest0-21swapper/008:11:000
2875599111,6cyclictest0-21swapper/007:36:010
2875599110,7cyclictest0-21swapper/008:08:480
2875599110,2cyclictest0-21swapper/010:21:210
2875599110,1cyclictest0-21swapper/009:05:140
2875599110,10cyclictest0-21swapper/008:00:180
2875899107,2cyclictest0-21swapper/308:50:083
2875899106,2cyclictest12784-21diskmemload10:40:123
2875899105,3cyclictest25941-21needreboot08:20:163
2875899105,3cyclictest23958-21tr12:10:163
2875899104,4cyclictest22675-21df11:35:133
2875899102,5cyclictest0-21swapper/308:16:593
2875899102,5cyclictest0-21swapper/308:16:583
2875899100,6cyclictest0-21swapper/308:06:003
2875899100,3cyclictest0-21swapper/312:05:123
2875899100,2cyclictest0-21swapper/311:53:583
2875799107,2cyclictest0-21swapper/207:40:182
2875799100,7cyclictest0-21swapper/209:04:022
2875799100,7cyclictest0-21swapper/207:30:012
2875799100,7cyclictest0-21swapper/207:16:592
2875699108,1cyclictest0-21swapper/109:00:011
2875699101,7cyclictest0-21swapper/107:15:151
2875699100,8cyclictest0-21swapper/108:30:111
2875599107,2cyclictest0-21swapper/008:35:130
2875599102,7cyclictest0-21swapper/007:20:010
2875599102,6cyclictest0-21swapper/007:45:000
286802100,1sleep30-21swapper/310:00:093
23352100,6sleep20-21swapper/207:25:002
193492100,1sleep30-21swapper/309:15:513
287589996,2cyclictest0-21swapper/311:25:133
287589994,3cyclictest815-21sh11:45:513
287589994,3cyclictest5974-21wc07:31:013
287589994,3cyclictest5413-21sh12:25:113
287589994,3cyclictest3885-21if_eth011:15:153
287589994,3cyclictest21834-21cut11:00:143
287589994,3cyclictest21217-21tail08:10:123
287589994,3cyclictest2098-21cat12:21:013
287589994,3cyclictest1573-21grep08:40:163
287589994,3cyclictest14784-21df_abs09:45:133
287589994,3cyclictest12071-21cpuspeed_turbos10:50:133
287589990,8cyclictest0-21swapper/311:33:333
287589990,8cyclictest0-21swapper/311:33:323
287589990,8cyclictest0-21swapper/309:05:103
287559994,3cyclictest5174-21fschecks_count07:30:140
287559994,3cyclictest3481-21ntp_kernel_pll_07:25:170
287559994,3cyclictest31249-21tr07:15:140
287559994,3cyclictest29436-21df_abs08:30:110
287559994,3cyclictest2527-21latency_hist08:45:010
287559994,3cyclictest15886-21ntp_kernel_pll_07:55:180
287559994,3cyclictest13392-21fschecks_time07:50:130
10546290,2sleep00-21swapper/007:44:060
287589983,3cyclictest2725-21cpu07:25:123
287589983,3cyclictest17139-21telnet08:00:123
287589983,3cyclictest10854-21aten2.4_r3power07:45:113
287589981,5cyclictest0-21swapper/308:30:103
287579984,2cyclictest3728-21runrttasks07:45:062
287559984,3cyclictest27340-21tr08:25:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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