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2026-06-24 - 16:37

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, slot #8

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 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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackbslot8s (updated Wed Jun 24, 2026 12:44:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7415952154134,15sleep20-21swapper/207:06:282
7418132125111,9sleep50-21swapper/507:09:365
7415202118104,9sleep10-21swapper/107:05:221
7415782116102,9sleep30-21swapper/307:06:123
7414552114100,9sleep70-21swapper/707:05:217
741794211297,10sleep40-21swapper/407:09:184
741599211297,10sleep60-21swapper/607:06:336
741548211298,9sleep00-21swapper/007:05:450
7420949910598,3cyclictest553-21snmpd10:31:516
7420749910498,2cyclictest553-21snmpd10:03:281
7420949910299,2cyclictest553-21snmpd10:51:016
7420869910299,3cyclictest553-21snmpd11:16:014
7420869910299,2cyclictest553-21snmpd09:59:414
7420839910299,2cyclictest553-21snmpd10:37:293
74207499102100,2cyclictest553-21snmpd10:44:341
742074991020,100cyclictest0-21swapper/110:47:221
742074991020,100cyclictest0-21swapper/109:25:101
7420949910199,2cyclictest553-21snmpd11:46:476
7420949910199,2cyclictest553-21snmpd09:49:196
742094991010,101cyclictest0-21swapper/612:36:146
7420899910199,2cyclictest553-21snmpd12:39:205
7420899910199,2cyclictest553-21snmpd08:25:045
7420869910199,2cyclictest553-21snmpd08:36:084
742086991010,99cyclictest0-21swapper/408:13:204
742086991010,101cyclictest0-21swapper/410:40:564
742086991010,101cyclictest0-21swapper/407:55:334
742086991010,0cyclictest0-21swapper/408:56:514
7420839910199,2cyclictest553-21snmpd10:29:003
7420839910199,2cyclictest553-21snmpd09:47:583
7420789910199,2cyclictest553-21snmpd12:16:162
742078991010,99cyclictest0-21swapper/211:23:112
742078991010,100cyclictest0-21swapper/210:30:442
7420749910199,2cyclictest553-21snmpd09:17:391
7420749910199,2cyclictest553-21snmpd08:37:191
7420749910198,3cyclictest553-21snmpd11:49:331
7420749910198,3cyclictest553-21snmpd07:50:361
74207499101100,1cyclictest553-21snmpd09:05:501
742074991010,100cyclictest0-21swapper/111:50:321
742074991010,100cyclictest0-21swapper/111:50:321
742074991010,0cyclictest0-21swapper/112:38:281
7420699910199,2cyclictest553-21snmpd08:53:390
74206999101100,1cyclictest553-21snmpd10:33:140
742069991010,100cyclictest0-21swapper/008:15:550
7420979910099,1cyclictest0-21swapper/710:28:367
742097991000,99cyclictest0-21swapper/710:22:117
742097991000,99cyclictest0-21swapper/710:15:287
742097991000,99cyclictest0-21swapper/709:57:047
742097991000,99cyclictest0-21swapper/708:20:537
742097991000,99cyclictest0-21swapper/707:53:107
742097991000,99cyclictest0-21swapper/707:39:047
7420949910099,1cyclictest553-21snmpd09:26:306
7420949910099,1cyclictest553-21snmpd08:44:116
742094991000,99cyclictest0-21swapper/612:00:586
742094991000,99cyclictest0-21swapper/612:00:576
742094991000,99cyclictest0-21swapper/607:59:376
742094991000,100cyclictest0-21swapper/611:14:286
742094991000,100cyclictest0-21swapper/607:47:556
742094991000,100cyclictest0-21swapper/607:47:546
7420899910099,1cyclictest553-21snmpd11:21:085
7420899910099,1cyclictest553-21snmpd09:58:355
7420899910099,1cyclictest553-21snmpd09:36:195
7420899910099,1cyclictest553-21snmpd09:32:255
7420899910099,1cyclictest553-21snmpd09:25:365
7420899910099,1cyclictest553-21snmpd08:45:235
7420899910098,2cyclictest553-21snmpd10:00:235
7420899910098,2cyclictest0-21swapper/509:22:395
7420899910098,1cyclictest553-21snmpd11:36:235
742089991000,99cyclictest0-21swapper/512:04:015
742089991000,99cyclictest0-21swapper/512:04:005
742089991000,99cyclictest0-21swapper/510:06:325
742089991000,99cyclictest0-21swapper/508:32:285
742089991000,99cyclictest0-21swapper/507:51:345
7420869910099,1cyclictest553-21snmpd11:01:184
7420869910097,3cyclictest553-21snmpd10:28:094
7420869910097,3cyclictest553-21snmpd09:48:104
742086991000,99cyclictest0-21swapper/412:15:514
742086991000,100cyclictest0-21swapper/410:20:094
7420839910099,1cyclictest553-21snmpd11:32:323
7420839910099,1cyclictest553-21snmpd09:15:413
7420839910099,1cyclictest553-21snmpd08:22:043
7420839910098,2cyclictest553-21snmpd11:07:253
7420839910098,2cyclictest553-21snmpd10:04:113
7420839910098,2cyclictest553-21snmpd07:29:133
7420789910099,1cyclictest553-21snmpd09:28:012
7420789910099,1cyclictest1023791-21cat12:25:152
74207899100100,0cyclictest553-21snmpd10:13:462
742078991000,99cyclictest0-21swapper/212:20:132
742078991000,99cyclictest0-21swapper/209:59:032
742078991000,99cyclictest0-21swapper/209:07:412
742078991000,100cyclictest0-21swapper/211:38:322
742078991000,100cyclictest0-21swapper/211:00:152
742078991000,100cyclictest0-21swapper/210:54:012
742078991000,100cyclictest0-21swapper/207:35:002
7420749910099,1cyclictest781608-21diskstats08:25:141
7420749910099,1cyclictest553-21snmpd12:12:031
7420749910099,1cyclictest553-21snmpd11:39:001
7420749910099,1cyclictest553-21snmpd08:51:331
7420749910099,1cyclictest553-21snmpd08:31:591
7420749910099,1cyclictest553-21snmpd08:09:141
7420749910099,1cyclictest553-21snmpd08:03:341
7420749910099,1cyclictest553-21snmpd07:41:251
7420749910098,2cyclictest553-21snmpd10:33:081
742074991000,99cyclictest0-21swapper/111:33:051
742074991000,99cyclictest0-21swapper/110:10:561
742074991000,100cyclictest0-21swapper/112:20:191
7420699910099,1cyclictest781917-21cat08:25:160
7420699910099,1cyclictest553-21snmpd09:02:230
7420699910099,1cyclictest553-21snmpd07:26:300
7420699910099,1cyclictest0-21swapper/011:20:520
7420699910098,2cyclictest553-21snmpd09:05:230
742069991000,99cyclictest0-21swapper/012:11:370
742069991000,99cyclictest0-21swapper/008:40:220
742069991000,99cyclictest0-21swapper/007:30:330
742069991000,100cyclictest0-21swapper/012:05:150
742069991000,100cyclictest0-21swapper/012:01:280
742069991000,100cyclictest0-21swapper/012:01:270
74209799990,99cyclictest0-21swapper/712:04:367
74209799990,99cyclictest0-21swapper/712:04:367
74209799990,99cyclictest0-21swapper/710:03:417
74209799990,99cyclictest0-21swapper/708:17:357
74209799990,98cyclictest0-21swapper/712:36:597
74209799990,0cyclictest0-21swapper/709:44:017
74209799990,0cyclictest0-21swapper/709:32:157
742094999999,0cyclictest553-21snmpd09:03:036
742094999999,0cyclictest553-21snmpd08:38:296
742094999998,1cyclictest553-21snmpd11:50:306
742094999998,1cyclictest553-21snmpd11:50:306
742094999998,1cyclictest553-21snmpd11:29:056
74209499990,99cyclictest0-21swapper/611:15:106
74209499990,99cyclictest0-21swapper/610:21:026
74209499990,98cyclictest0-21swapper/607:53:466
74209499990,0cyclictest0-21swapper/610:25:216
742089999999,0cyclictest553-21snmpd11:27:115
742089999998,1cyclictest553-21snmpd12:33:265
742089999998,1cyclictest553-21snmpd11:04:285
742089999998,1cyclictest553-21snmpd08:42:295
742089999998,0cyclictest553-21snmpd10:51:375
742089999997,1cyclictest553-21snmpd10:38:085
74208999990,99cyclictest0-21swapper/508:01:035
74208999990,98cyclictest0-21swapper/511:54:455
74208999990,98cyclictest0-21swapper/511:54:455
74208999990,98cyclictest0-21swapper/508:11:085
74208999990,0cyclictest0-21swapper/512:07:555
74208999990,0cyclictest0-21swapper/510:44:275
74208999990,0cyclictest0-21swapper/507:48:255
74208999990,0cyclictest0-21swapper/507:48:255
74208999990,0cyclictest0-21swapper/507:41:155
742086999999,0cyclictest0-21swapper/409:29:164
742086999998,1cyclictest553-21snmpd11:45:364
742086999998,1cyclictest553-21snmpd09:41:484
742086999998,1cyclictest553-21snmpd07:17:384
742086999997,2cyclictest553-21snmpd11:09:194
742086999996,3cyclictest553-21snmpd09:12:234
742086999996,3cyclictest553-21snmpd09:03:424
742086999996,3cyclictest553-21snmpd08:22:554
74208699990,99cyclictest0-21swapper/411:54:124
74208699990,99cyclictest0-21swapper/411:54:114
74208699990,99cyclictest0-21swapper/408:46:044
74208699990,99cyclictest0-21swapper/407:24:014
74208699990,0cyclictest0-21swapper/412:26:324
74208699990,0cyclictest0-21swapper/410:56:014
74208699990,0cyclictest0-21swapper/410:52:314
74208699990,0cyclictest0-21swapper/410:32:264
74208699990,0cyclictest0-21swapper/408:02:244
742083999998,1cyclictest553-21snmpd12:13:483
742083999998,1cyclictest553-21snmpd10:18:273
742083999997,2cyclictest553-21snmpd12:08:543
742083999997,2cyclictest553-21snmpd11:58:123
742083999997,2cyclictest553-21snmpd11:58:123
742083999997,2cyclictest553-21snmpd11:23:563
742083999997,2cyclictest553-21snmpd10:33:353
742078999999,0cyclictest553-21snmpd12:03:222
742078999999,0cyclictest553-21snmpd12:03:222
742078999999,0cyclictest553-21snmpd10:57:242
742078999999,0cyclictest553-21snmpd09:11:202
742078999999,0cyclictest553-21snmpd07:58:332
742078999998,1cyclictest763958-21cat07:50:132
742078999998,1cyclictest553-21snmpd11:30:012
742078999998,1cyclictest553-21snmpd08:50:242
742078999994,2cyclictest141rcu_preempt11:41:192
74207899990,99cyclictest0-21swapper/211:55:532
74207899990,99cyclictest0-21swapper/211:55:522
74207899990,99cyclictest0-21swapper/211:50:122
74207899990,99cyclictest0-21swapper/211:50:122
74207899990,99cyclictest0-21swapper/211:28:582
74207899990,99cyclictest0-21swapper/210:47:312
74207899990,99cyclictest0-21swapper/209:51:492
74207899990,99cyclictest0-21swapper/208:59:152
74207899990,0cyclictest0-21swapper/211:45:062
742074999999,0cyclictest553-21snmpd12:02:041
742074999999,0cyclictest553-21snmpd12:02:031
742074999999,0cyclictest553-21snmpd09:45:401
742074999998,1cyclictest973365-21cat11:40:151
742074999998,1cyclictest0-21swapper/110:15:021
742074999997,2cyclictest553-21snmpd12:07:391
74207499990,99cyclictest0-21swapper/110:56:231
74207499990,99cyclictest0-21swapper/108:14:591
74207499990,99cyclictest0-21swapper/107:15:031
74207499990,98cyclictest0-21swapper/110:05:521
74207499990,0cyclictest0-21swapper/112:33:041
74207499990,0cyclictest0-21swapper/109:54:561
74207499990,0cyclictest0-21swapper/108:44:521
742069999999,0cyclictest553-21snmpd11:11:380
742069999999,0cyclictest553-21snmpd09:31:150
742069999999,0cyclictest553-21snmpd08:07:170
742069999998,1cyclictest553-21snmpd12:15:280
742069999998,1cyclictest553-21snmpd09:29:040
74206999990,99cyclictest0-21swapper/011:45:170
74206999990,99cyclictest0-21swapper/011:02:570
74206999990,99cyclictest0-21swapper/009:37:000
74206999990,99cyclictest0-21swapper/009:15:030
74206999990,99cyclictest0-21swapper/007:45:000
74206999990,99cyclictest0-21swapper/007:45:000
74206999990,0cyclictest0-21swapper/012:27:490
74206999990,0cyclictest0-21swapper/010:57:510
74206999990,0cyclictest0-21swapper/010:00:130
74209799980,98cyclictest0-21swapper/712:25:077
74209799980,97cyclictest0-21swapper/712:14:107
742094999897,1cyclictest553-21snmpd11:03:436
742094999897,1cyclictest553-21snmpd09:32:376
742094999897,1cyclictest553-21snmpd07:22:246
74209499980,98cyclictest0-21swapper/611:55:276
74209499980,98cyclictest0-21swapper/611:55:266
74209499980,98cyclictest0-21swapper/609:22:366
74209499980,98cyclictest0-21swapper/607:29:046
742089999898,0cyclictest553-21snmpd12:11:065
742089999898,0cyclictest553-21snmpd10:24:125
742089999897,1cyclictest553-21snmpd10:35:005
742089999897,1cyclictest553-21snmpd08:36:505
74208999980,98cyclictest0-21swapper/512:22:185
74208999980,97cyclictest0-21swapper/512:19:455
74208999980,97cyclictest0-21swapper/510:56:045
742086999897,1cyclictest553-21snmpd11:10:404
742086999897,1cyclictest553-21snmpd10:46:584
742086999897,1cyclictest553-21snmpd10:10:164
742086999895,3cyclictest553-21snmpd10:00:114
742086999895,1cyclictest553-21snmpd08:17:474
74208699980,97cyclictest0-21swapper/408:53:144
742083999898,0cyclictest553-21snmpd11:19:503
742083999898,0cyclictest553-21snmpd10:08:223
742083999898,0cyclictest553-21snmpd07:54:543
742083999896,2cyclictest553-21snmpd10:21:423
742078999898,0cyclictest553-21snmpd12:08:242
742078999898,0cyclictest553-21snmpd08:31:142
742078999898,0cyclictest553-21snmpd08:00:132
742078999898,0cyclictest553-21snmpd07:36:092
742078999897,1cyclictest786766-21fw_forwarded_lo08:35:152
742078999896,2cyclictest759096-21memory07:40:172
74207899980,98cyclictest0-21swapper/210:20:132
74207899980,98cyclictest0-21swapper/208:43:042
74207899980,98cyclictest0-21swapper/207:46:072
74207899980,98cyclictest0-21swapper/207:46:072
74207899980,97cyclictest0-21swapper/209:38:362
742074999898,0cyclictest0-21swapper/111:27:431
742074999895,3cyclictest0-21swapper/110:35:151
74207499980,98cyclictest0-21swapper/109:32:391
742069999897,1cyclictest553-21snmpd10:41:220
742069999897,1cyclictest553-21snmpd07:12:450
742069999896,2cyclictest553-21snmpd12:30:220
742069999896,2cyclictest553-21snmpd07:56:580
74206999980,98cyclictest0-21swapper/012:37:350
74206999980,98cyclictest0-21swapper/011:44:300
74206999980,98cyclictest0-21swapper/010:47:130
74206999980,98cyclictest0-21swapper/007:18:000
74206999980,97cyclictest0-21swapper/009:12:450
74209799970,97cyclictest0-21swapper/710:09:057
742094999795,2cyclictest553-21snmpd11:38:266
74209499970,97cyclictest0-21swapper/609:50:376
74209499970,97cyclictest0-21swapper/608:25:106
74209499970,96cyclictest803403-21diskmemload10:15:316
74209499970,96cyclictest0-21swapper/611:07:326
74209499970,96cyclictest0-21swapper/609:18:416
742089999797,0cyclictest553-21snmpd11:55:595
742089999797,0cyclictest553-21snmpd11:55:595
742089999797,0cyclictest553-21snmpd07:16:475
742089999796,1cyclictest553-21snmpd11:33:065
742089999796,1cyclictest553-21snmpd11:18:015
742089999796,1cyclictest553-21snmpd10:29:575
742089999796,1cyclictest553-21snmpd08:20:475
74208999970,97cyclictest0-21swapper/511:49:215
742086999797,0cyclictest553-21snmpd09:16:084
742086999797,0cyclictest553-21snmpd07:45:044
742086999797,0cyclictest553-21snmpd07:45:044
742086999796,1cyclictest553-21snmpd10:07:044
742086999795,2cyclictest0-21swapper/412:30:024
742086999795,1cyclictest553-21snmpd09:23:274
742086999794,1cyclictest553-21snmpd08:40:384
74208699970,97cyclictest0-21swapper/412:03:404
74208699970,97cyclictest0-21swapper/412:03:404
74208699970,97cyclictest0-21swapper/411:38:294
74208699970,97cyclictest0-21swapper/408:06:144
74208699970,97cyclictest0-21swapper/407:11:174
742083999797,0cyclictest553-21snmpd12:28:533
742083999797,0cyclictest553-21snmpd12:23:593
742083999796,1cyclictest553-21snmpd12:31:443
742083999794,3cyclictest553-21snmpd09:41:513
742078999797,0cyclictest553-21snmpd09:16:002
742078999797,0cyclictest553-21snmpd07:12:292
742078999796,1cyclictest932789-21apt-get11:05:002
742078999796,1cyclictest553-21snmpd07:29:362
742078999796,0cyclictest0-21swapper/209:22:132
742078999795,2cyclictest770758-21apt-get08:05:132
74207899970,97cyclictest0-21swapper/212:33:342
74207899970,97cyclictest0-21swapper/210:18:132
74207899970,97cyclictest0-21swapper/208:19:142
742074999797,0cyclictest553-21snmpd07:48:281
742074999797,0cyclictest553-21snmpd07:48:271
742074999796,1cyclictest553-21snmpd11:22:201
74207499970,97cyclictest0-21swapper/111:59:221
74207499970,97cyclictest0-21swapper/111:59:221
74207499970,97cyclictest0-21swapper/111:11:171
74207499970,97cyclictest0-21swapper/111:03:451
74207499970,97cyclictest0-21swapper/110:51:541
74207499970,97cyclictest0-21swapper/108:24:251
742069999797,0cyclictest553-21snmpd08:37:010
742069999797,0cyclictest0-21swapper/012:24:200
74206999970,97cyclictest0-21swapper/010:18:390
74206999970,97cyclictest0-21swapper/010:06:580
74206999970,97cyclictest0-21swapper/009:42:310
74206999970,96cyclictest0-21swapper/010:10:380
742097999696,0cyclictest0-21swapper/712:21:397
742097999695,1cyclictest0-21swapper/711:31:147
742097999695,1cyclictest0-21swapper/711:24:137
742097999695,1cyclictest0-21swapper/709:16:337
742097999695,1cyclictest0-21swapper/709:13:157
742097999695,1cyclictest0-21swapper/707:41:037
742094999696,0cyclictest553-21snmpd08:45:326
742094999695,1cyclictest553-21snmpd11:34:516
742094999695,1cyclictest0-21swapper/609:40:146
742094999695,1cyclictest0-21swapper/609:12:156
742094999695,1cyclictest0-21swapper/608:59:026
742094999695,1cyclictest0-21swapper/607:31:346
742094999694,2cyclictest0-21swapper/608:50:026
742089999695,1cyclictest553-21snmpd09:00:455
742089999695,1cyclictest553-21snmpd08:55:535
742089999695,1cyclictest0-21swapper/508:52:475
742089999695,1cyclictest0-21swapper/507:10:085
742089999694,2cyclictest553-21snmpd10:10:555
742086999696,0cyclictest553-21snmpd11:43:054
742083999696,0cyclictest553-21snmpd10:45:103
742083999694,2cyclictest553-21snmpd08:18:203
742078999696,0cyclictest553-21snmpd12:36:342
742078999695,1cyclictest553-21snmpd10:27:592
742078999695,0cyclictest0-21swapper/209:00:112
742078999694,2cyclictest906255-21kworker/u16:211:11:412
742078999694,2cyclictest0-21swapper/210:00:322
74207899960,96cyclictest0-21swapper/210:41:032
74207899960,96cyclictest0-21swapper/208:23:552
74207899960,96cyclictest0-21swapper/207:24:582
74207499960,96cyclictest0-21swapper/109:59:051
742069999696,0cyclictest553-21snmpd09:45:130
742069999696,0cyclictest553-21snmpd08:11:190
742069999695,1cyclictest553-21snmpd08:48:300
742069999695,1cyclictest0-21swapper/011:59:250
742069999695,1cyclictest0-21swapper/011:59:250
742069999694,2cyclictest553-21snmpd10:54:180
74206999960,96cyclictest0-21swapper/007:44:010
742097999595,0cyclictest0-21swapper/711:09:147
742094999595,0cyclictest0-21swapper/610:43:156
742094999594,1cyclictest553-21snmpd11:22:586
742094999594,1cyclictest553-21snmpd10:48:546
742094999594,1cyclictest0-21swapper/610:57:316
742094999594,1cyclictest0-21swapper/609:35:166
742089999594,1cyclictest553-21snmpd09:54:555
742089999594,1cyclictest553-21snmpd07:34:075
742089999594,1cyclictest0-21swapper/507:35:145
742089999594,1cyclictest0-21swapper/507:29:015
742086999595,0cyclictest0-21swapper/412:07:284
742086999595,0cyclictest0-21swapper/411:26:384
742086999594,1cyclictest553-21snmpd08:29:194
742086999593,2cyclictest553-21snmpd07:35:274
742083999595,0cyclictest553-21snmpd08:35:353
742083999594,1cyclictest553-21snmpd12:37:403
742083999594,1cyclictest553-21snmpd09:32:133
742078999595,0cyclictest0-21swapper/208:10:132
742078999594,1cyclictest803403-21diskmemload09:46:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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