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2026-06-19 - 23:24

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, 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 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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackcslot8s.osadl.org (updated Fri Jun 19, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
221172640,0sleep30-21swapper/308:45:013
996126050,6sleep40-21swapper/407:06:504
111391600,6ptp4l0-21swapper/307:07:333
111391590,5ptp4l0-21swapper/707:07:387
1881915533,7phc2sys0-21swapper/007:07:150
989925039,6sleep60-21swapper/607:06:056
1020025040,6sleep20-21swapper/207:09:542
985924937,7sleep10-21swapper/107:05:351
993624837,7sleep50-21swapper/507:06:365
111391340,0ptp4l0-21swapper/409:50:214
111391330,1ptp4l22284-21ssh09:36:034
111391330,0ptp4l0-21swapper/407:50:134
111391330,0ptp4l0-21swapper/011:45:190
111391320,0ptp4l0-21swapper/509:22:045
111391310,0ptp4l0-21swapper/411:25:204
111391310,0ptp4l0-21swapper/111:45:141
111391310,0ptp4l0-21swapper/012:02:100
111391310,0ptp4l0-21swapper/009:30:180
111391300,2ptp4l0-21swapper/510:46:535
111391300,2ptp4l0-21swapper/510:46:535
111391300,0ptp4l0-21swapper/412:16:424
111391300,0ptp4l0-21swapper/411:50:174
111391300,0ptp4l0-21swapper/410:20:214
111391300,0ptp4l0-21swapper/409:40:114
111391300,0ptp4l0-21swapper/012:23:040
111391300,0ptp4l0-21swapper/012:09:240
111391300,0ptp4l0-21swapper/011:11:000
111391300,0ptp4l0-21swapper/010:42:530
111391300,0ptp4l0-21swapper/010:03:360
111391290,2ptp4l0-21swapper/409:49:354
111391290,1ptp4l25099-21/usr/sbin/munin11:55:170
111391290,0ptp4l0-21swapper/711:48:157
111391290,0ptp4l0-21swapper/411:36:194
111391290,0ptp4l0-21swapper/411:09:414
111391290,0ptp4l0-21swapper/410:40:014
111391290,0ptp4l0-21swapper/112:20:161
111391290,0ptp4l0-21swapper/109:19:091
111391290,0ptp4l0-21swapper/012:11:320
111391290,0ptp4l0-21swapper/011:20:000
111391280,0ptp4l0-21swapper/510:07:475
111391280,0ptp4l0-21swapper/509:28:265
111391280,0ptp4l0-21swapper/509:17:505
111391280,0ptp4l0-21swapper/411:13:334
111391280,0ptp4l0-21swapper/409:25:284
111391280,0ptp4l0-21swapper/011:40:160
111391280,0ptp4l0-21swapper/011:33:530
111391280,0ptp4l0-21swapper/011:22:200
111391280,0ptp4l0-21swapper/009:55:170
111391270,0ptp4l0-21swapper/511:08:405
111391270,0ptp4l0-21swapper/411:49:504
111391270,0ptp4l0-21swapper/411:16:024
111391270,0ptp4l0-21swapper/410:09:514
111391270,0ptp4l0-21swapper/409:13:404
111391270,0ptp4l0-21swapper/012:19:280
111391270,0ptp4l0-21swapper/010:18:480
111391270,0ptp4l0-21swapper/009:47:180
111391270,0ptp4l0-21swapper/009:20:590
111391270,0ptp4l0-21swapper/009:18:320
111391270,0ptp4l0-21swapper/008:53:520
111391260,1ptp4l7171-21sh09:15:364
111391260,1ptp4l12849-21ssh10:08:490
111391260,0ptp4l0-21swapper/609:18:546
111391260,0ptp4l0-21swapper/412:38:354
111391260,0ptp4l0-21swapper/410:32:514
111391260,0ptp4l0-21swapper/410:10:574
111391260,0ptp4l0-21swapper/407:59:594
111391260,0ptp4l0-21swapper/011:37:420
111391260,0ptp4l0-21swapper/011:28:550
111391260,0ptp4l0-21swapper/010:33:470
111391260,0ptp4l0-21swapper/010:28:270
111391260,0ptp4l0-21swapper/009:42:580
111391260,0ptp4l0-21swapper/009:38:060
111391250,3ptp4l0-21swapper/011:05:330
111391250,1ptp4l29399-21irqstats12:00:144
111391250,0ptp4l0-21swapper/711:30:127
111391250,0ptp4l0-21swapper/611:05:176
111391250,0ptp4l0-21swapper/509:10:375
111391250,0ptp4l0-21swapper/412:12:394
111391250,0ptp4l0-21swapper/411:59:014
111391250,0ptp4l0-21swapper/411:40:164
111391250,0ptp4l0-21swapper/410:50:034
111391250,0ptp4l0-21swapper/410:37:494
111391250,0ptp4l0-21swapper/410:15:124
111391250,0ptp4l0-21swapper/409:30:094
111391250,0ptp4l0-21swapper/408:30:164
111391250,0ptp4l0-21swapper/311:30:113
111391250,0ptp4l0-21swapper/212:07:342
111391250,0ptp4l0-21swapper/210:10:212
111391250,0ptp4l0-21swapper/107:15:001
111391250,0ptp4l0-21swapper/011:00:110
111391250,0ptp4l0-21swapper/010:55:180
111391250,0ptp4l0-21swapper/010:52:350
111391250,0ptp4l0-21swapper/007:26:400
140222240,0sleep4481ktimersoftd/408:25:144
111391240,1ptp4l30712-21sed09:00:220
111391240,1ptp4l24251-21grep07:35:224
111391240,1ptp4l22704-21users11:05:192
111391240,1ptp4l18291-21ssh10:15:181
111391240,0ptp4l0-21swapper/511:24:305
111391240,0ptp4l0-21swapper/509:57:405
111391240,0ptp4l0-21swapper/507:22:095
111391240,0ptp4l0-21swapper/412:26:164
111391240,0ptp4l0-21swapper/411:33:274
111391240,0ptp4l0-21swapper/411:21:064
111391240,0ptp4l0-21swapper/411:04:524
111391240,0ptp4l0-21swapper/410:01:324
111391240,0ptp4l0-21swapper/409:05:174
111391240,0ptp4l0-21swapper/408:45:134
111391240,0ptp4l0-21swapper/112:29:311
111391240,0ptp4l0-21swapper/012:27:000
111391240,0ptp4l0-21swapper/011:50:160
111391240,0ptp4l0-21swapper/010:35:150
111391240,0ptp4l0-21swapper/010:10:130
111391240,0ptp4l0-21swapper/008:40:120
111391240,0ptp4l0-21swapper/008:35:080
111391240,0ptp4l0-21swapper/007:51:510
111391240,0ptp4l0-21swapper/007:12:460
111391230,1ptp4l27179-21cpuspeed_turbos08:55:115
111391230,1ptp4l27055-21latency_hist07:45:000
111391230,1ptp4l25238-21irqrtprio10:25:154
111391230,1ptp4l10003-21/usr/sbin/munin10:05:161
111391230,0ptp4l21992-21ssh09:35:201
111391230,0ptp4l0-21swapper/707:10:147
111391230,0ptp4l0-21swapper/610:53:406
111391230,0ptp4l0-21swapper/512:26:465
111391230,0ptp4l0-21swapper/512:20:205
111391230,0ptp4l0-21swapper/511:45:145
111391230,0ptp4l0-21swapper/511:17:095
111391230,0ptp4l0-21swapper/510:15:165
111391230,0ptp4l0-21swapper/509:00:135
111391230,0ptp4l0-21swapper/508:54:465
111391230,0ptp4l0-21swapper/508:28:005
111391230,0ptp4l0-21swapper/507:42:065
111391230,0ptp4l0-21swapper/507:35:055
111391230,0ptp4l0-21swapper/507:25:145
111391230,0ptp4l0-21swapper/507:18:395
111391230,0ptp4l0-21swapper/412:30:214
111391230,0ptp4l0-21swapper/412:21:534
111391230,0ptp4l0-21swapper/410:55:154
111391230,0ptp4l0-21swapper/410:45:114
111391230,0ptp4l0-21swapper/410:45:114
111391230,0ptp4l0-21swapper/409:58:504
111391230,0ptp4l0-21swapper/409:20:184
111391230,0ptp4l0-21swapper/408:50:014
111391230,0ptp4l0-21swapper/408:35:184
111391230,0ptp4l0-21swapper/408:20:164
111391230,0ptp4l0-21swapper/408:15:124
111391230,0ptp4l0-21swapper/408:05:134
111391230,0ptp4l0-21swapper/408:05:124
111391230,0ptp4l0-21swapper/407:45:144
111391230,0ptp4l0-21swapper/407:25:174
111391230,0ptp4l0-21swapper/310:18:583
111391230,0ptp4l0-21swapper/111:42:331
111391230,0ptp4l0-21swapper/110:52:481
111391230,0ptp4l0-21swapper/110:45:161
111391230,0ptp4l0-21swapper/110:45:161
111391230,0ptp4l0-21swapper/110:36:161
111391230,0ptp4l0-21swapper/110:01:531
111391230,0ptp4l0-21swapper/109:59:521
111391230,0ptp4l0-21swapper/109:00:171
111391230,0ptp4l0-21swapper/107:40:121
111391230,0ptp4l0-21swapper/107:25:141
111391230,0ptp4l0-21swapper/010:20:160
111391230,0ptp4l0-21swapper/009:50:120
111391230,0ptp4l0-21swapper/009:13:130
111391230,0ptp4l0-21swapper/009:05:200
111391230,0ptp4l0-21swapper/008:20:180
111391230,0ptp4l0-21swapper/008:15:130
111391230,0ptp4l0-21swapper/008:10:120
111391230,0ptp4l0-21swapper/008:10:120
111391230,0ptp4l0-21swapper/008:05:130
111391230,0ptp4l0-21swapper/008:05:130
111391230,0ptp4l0-21swapper/008:00:120
111391230,0ptp4l0-21swapper/007:45:160
111391230,0ptp4l0-21swapper/007:35:130
111391220,1ptp4l18781-21sh09:31:515
111391220,1ptp4l1204-21diskmemload11:43:035
111391220,0ptp4l25-21ksoftirqd/111:31:571
111391220,0ptp4l1204-21diskmemload12:05:341
111391220,0ptp4l0-21swapper/711:57:057
111391220,0ptp4l0-21swapper/710:57:347
111391220,0ptp4l0-21swapper/710:19:237
111391220,0ptp4l0-21swapper/612:22:556
111391220,0ptp4l0-21swapper/611:51:046
111391220,0ptp4l0-21swapper/611:29:506
111391220,0ptp4l0-21swapper/608:25:146
111391220,0ptp4l0-21swapper/512:36:375
111391220,0ptp4l0-21swapper/512:06:425
111391220,0ptp4l0-21swapper/511:56:245
111391220,0ptp4l0-21swapper/511:04:115
111391220,0ptp4l0-21swapper/510:51:065
111391220,0ptp4l0-21swapper/510:30:315
111391220,0ptp4l0-21swapper/510:23:355
111391220,0ptp4l0-21swapper/510:03:015
111391220,0ptp4l0-21swapper/509:47:545
111391220,0ptp4l0-21swapper/509:42:405
111391220,0ptp4l0-21swapper/509:35:205
111391220,0ptp4l0-21swapper/508:47:585
111391220,0ptp4l0-21swapper/508:40:165
111391220,0ptp4l0-21swapper/508:15:175
111391220,0ptp4l0-21swapper/507:30:125
111391220,0ptp4l0-21swapper/507:12:275
111391220,0ptp4l0-21swapper/412:05:164
111391220,0ptp4l0-21swapper/408:55:184
111391220,0ptp4l0-21swapper/408:40:014
111391220,0ptp4l0-21swapper/408:10:134
111391220,0ptp4l0-21swapper/408:10:134
111391220,0ptp4l0-21swapper/408:00:114
111391220,0ptp4l0-21swapper/407:33:274
111391220,0ptp4l0-21swapper/407:20:014
111391220,0ptp4l0-21swapper/407:17:424
111391220,0ptp4l0-21swapper/311:56:523
111391220,0ptp4l0-21swapper/311:47:423
111391220,0ptp4l0-21swapper/310:57:323
111391220,0ptp4l0-21swapper/307:10:153
111391220,0ptp4l0-21swapper/210:17:272
111391220,0ptp4l0-21swapper/209:19:592
111391220,0ptp4l0-21swapper/112:33:551
111391220,0ptp4l0-21swapper/111:52:521
111391220,0ptp4l0-21swapper/111:36:561
111391220,0ptp4l0-21swapper/111:25:501
111391220,0ptp4l0-21swapper/111:15:211
111391220,0ptp4l0-21swapper/111:06:201
111391220,0ptp4l0-21swapper/111:04:001
111391220,0ptp4l0-21swapper/110:58:181
111391220,0ptp4l0-21swapper/110:42:051
111391220,0ptp4l0-21swapper/110:31:241
111391220,0ptp4l0-21swapper/110:21:401
111391220,0ptp4l0-21swapper/109:48:331
111391220,0ptp4l0-21swapper/109:31:341
111391220,0ptp4l0-21swapper/109:26:421
111391220,0ptp4l0-21swapper/109:21:181
111391220,0ptp4l0-21swapper/109:11:071
111391220,0ptp4l0-21swapper/108:40:141
111391220,0ptp4l0-21swapper/108:15:161
111391220,0ptp4l0-21swapper/107:30:161
111391220,0ptp4l0-21swapper/107:20:141
111391220,0ptp4l0-21swapper/107:15:111
111391220,0ptp4l0-21swapper/012:35:350
111391220,0ptp4l0-21swapper/012:30:140
111391220,0ptp4l0-21swapper/010:46:400
111391220,0ptp4l0-21swapper/010:46:400
111391220,0ptp4l0-21swapper/009:25:020
111391220,0ptp4l0-21swapper/008:45:160
111391220,0ptp4l0-21swapper/008:30:170
111391220,0ptp4l0-21swapper/008:25:210
111391220,0ptp4l0-21swapper/007:55:190
111391220,0ptp4l0-21swapper/007:32:270
111391210,0ptp4l1475-21ssh11:20:581
111391210,0ptp4l0-21swapper/612:18:016
111391210,0ptp4l0-21swapper/612:07:366
111391210,0ptp4l0-21swapper/610:56:326
111391210,0ptp4l0-21swapper/610:34:296
111391210,0ptp4l0-21swapper/610:10:366
111391210,0ptp4l0-21swapper/512:31:565
111391210,0ptp4l0-21swapper/512:15:575
111391210,0ptp4l0-21swapper/512:12:035
111391210,0ptp4l0-21swapper/511:53:095
111391210,0ptp4l0-21swapper/511:36:595
111391210,0ptp4l0-21swapper/511:34:335
111391210,0ptp4l0-21swapper/510:41:385
111391210,0ptp4l0-21swapper/510:37:395
111391210,0ptp4l0-21swapper/510:27:155
111391210,0ptp4l0-21swapper/509:54:005
111391210,0ptp4l0-21swapper/509:08:265
111391210,0ptp4l0-21swapper/508:23:515
111391210,0ptp4l0-21swapper/409:00:524
111391210,0ptp4l0-21swapper/407:40:514
111391210,0ptp4l0-21swapper/407:11:104
111391210,0ptp4l0-21swapper/308:52:473
111391210,0ptp4l0-21swapper/211:45:422
111391210,0ptp4l0-21swapper/211:25:342
111391210,0ptp4l0-21swapper/210:56:332
111391210,0ptp4l0-21swapper/210:29:282
111391210,0ptp4l0-21swapper/208:45:222
111391210,0ptp4l0-21swapper/208:25:162
111391210,0ptp4l0-21swapper/112:36:401
111391210,0ptp4l0-21swapper/112:18:371
111391210,0ptp4l0-21swapper/112:12:041
111391210,0ptp4l0-21swapper/111:56:321
111391210,0ptp4l0-21swapper/109:41:001
111391210,0ptp4l0-21swapper/108:55:151
111391210,0ptp4l0-21swapper/107:35:191
111391200,0ptp4l0-21swapper/708:11:297
111391200,0ptp4l0-21swapper/708:11:297
111391200,0ptp4l0-21swapper/611:45:416
111391200,0ptp4l0-21swapper/610:38:086
111391200,0ptp4l0-21swapper/610:17:246
111391200,0ptp4l0-21swapper/608:36:526
111391200,0ptp4l0-21swapper/608:34:516
111391200,0ptp4l0-21swapper/512:01:525
111391200,0ptp4l0-21swapper/511:13:005
111391200,0ptp4l0-21swapper/510:57:185
111391200,0ptp4l0-21swapper/510:13:215
111391200,0ptp4l0-21swapper/508:07:215
111391200,0ptp4l0-21swapper/508:07:205
111391200,0ptp4l0-21swapper/507:52:515
111391200,0ptp4l0-21swapper/210:34:252
111391200,0ptp4l0-21swapper/112:04:041
111391200,0ptp4l0-21swapper/110:27:171
111391200,0ptp4l0-21swapper/110:13:251
111391200,0ptp4l0-21swapper/109:09:211
111391200,0ptp4l0-21swapper/007:17:140
111391190,0ptp4l0-21swapper/612:34:446
111391190,0ptp4l0-21swapper/511:25:515
111391190,0ptp4l0-21swapper/508:03:215
111391190,0ptp4l0-21swapper/212:34:462
111391190,0ptp4l0-21swapper/212:17:582
111391190,0ptp4l0-21swapper/210:53:462
111391190,0ptp4l0-21swapper/111:11:501
111391190,0ptp4l0-21swapper/109:52:221
111391180,0ptp4l0-21swapper/611:04:396
111391180,0ptp4l0-21swapper/610:29:316
111391180,0ptp4l0-21swapper/212:22:442
111391180,0ptp4l0-21swapper/210:38:122
111391170,0ptp4l0-21swapper/611:10:466
111391170,0ptp4l0-21swapper/211:51:042
111391170,0ptp4l0-21swapper/108:36:141
111391170,0ptp4l0-21swapper/108:07:171
111391170,0ptp4l0-21swapper/108:07:171
111391160,0ptp4l0-21swapper/610:06:266
111391160,0ptp4l0-21swapper/507:48:185
111391160,0ptp4l0-21swapper/108:54:221
111391160,0ptp4l0-21swapper/108:46:361
111391160,0ptp4l0-21swapper/108:28:101
111391160,0ptp4l0-21swapper/108:24:111
111391160,0ptp4l0-21swapper/108:02:191
111391160,0ptp4l0-21swapper/107:52:431
111391160,0ptp4l0-21swapper/007:24:330
111391150,0ptp4l0-21swapper/708:52:587
111391150,0ptp4l0-21swapper/608:42:586
111391150,0ptp4l0-21swapper/608:22:096
111391150,0ptp4l0-21swapper/608:11:176
111391150,0ptp4l0-21swapper/608:11:176
111391150,0ptp4l0-21swapper/607:52:386
111391150,0ptp4l0-21swapper/607:46:556
111391150,0ptp4l0-21swapper/508:39:125
111391150,0ptp4l0-21swapper/508:31:015
111391150,0ptp4l0-21swapper/507:56:295
111391150,0ptp4l0-21swapper/308:11:223
111391150,0ptp4l0-21swapper/308:11:223
111391150,0ptp4l0-21swapper/211:10:452
111391150,0ptp4l0-21swapper/210:09:522
111391150,0ptp4l0-21swapper/208:36:512
111391150,0ptp4l0-21swapper/208:34:502
111391150,0ptp4l0-21swapper/208:11:132
111391150,0ptp4l0-21swapper/208:11:122
111391150,0ptp4l0-21swapper/207:53:562
111391150,0ptp4l0-21swapper/108:30:571
111391150,0ptp4l0-21swapper/108:14:331
111391150,0ptp4l0-21swapper/108:14:321
111391150,0ptp4l0-21swapper/107:58:451
111391150,0ptp4l0-21swapper/107:46:401
111391150,0ptp4l0-21swapper/008:55:320
111391140,0ptp4l0-21swapper/609:20:006
111391140,0ptp4l0-21swapper/608:45:226
111391140,0ptp4l0-21swapper/607:59:006
111391140,0ptp4l0-21swapper/607:42:266
111391140,0ptp4l0-21swapper/607:24:436
111391140,0ptp4l0-21swapper/508:14:345
111391140,0ptp4l0-21swapper/508:14:345
111391140,0ptp4l0-21swapper/208:08:532
111391140,0ptp4l0-21swapper/208:08:532
111391140,0ptp4l0-21swapper/207:59:002
111391140,0ptp4l0-21swapper/207:46:132
111391140,0ptp4l0-21swapper/207:42:252
111391140,0ptp4l0-21swapper/207:24:462
1049699130,0cyclictest0-21swapper/310:00:143
1052399119,1cyclictest0-21swapper/709:29:397
1051699110,10cyclictest0-21swapper/611:41:046
1051699110,10cyclictest0-21swapper/609:37:056
1049699110,10cyclictest0-21swapper/309:34:453
1049699110,10cyclictest0-21swapper/308:15:133
1052399109,0cyclictest0-21swapper/711:41:407
1052399109,0cyclictest0-21swapper/710:38:207
1052399109,0cyclictest0-21swapper/710:00:187
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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