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2026-05-28 - 17:37

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 Thu May 28, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391670,5ptp4l0-21swapper/007:07:560
111391630,4ptp4l0-21swapper/407:08:344
129652610,0sleep60-21swapper/612:25:146
1881915734,7phc2sys0-21swapper/107:09:401
309922560,0sleep50-21swapper/509:52:285
133092560,0sleep30-21swapper/309:29:593
700425343,6sleep70-21swapper/707:08:287
691725141,6sleep20-21swapper/207:07:192
549324832,10sleep30-21swapper/307:05:123
683824736,7sleep50-21swapper/507:06:175
680124736,6sleep60-21swapper/607:05:466
744599417,11cyclictest0-21swapper/712:35:167
59172320,0sleep40-21swapper/410:45:484
111391320,0ptp4l0-21swapper/711:42:097
111391310,1ptp4l26391-21latency_hist07:50:004
111391310,0ptp4l0-21swapper/009:45:220
111391310,0ptp4l0-21swapper/009:28:430
111391300,0ptp4l0-21swapper/409:45:194
111391300,0ptp4l0-21swapper/111:25:221
111391300,0ptp4l0-21swapper/011:37:470
111391300,0ptp4l0-21swapper/009:21:500
111391290,0ptp4l0-21swapper/412:12:104
111391290,0ptp4l0-21swapper/412:12:094
111391290,0ptp4l0-21swapper/409:05:184
111391290,0ptp4l0-21swapper/110:35:161
111391290,0ptp4l0-21swapper/108:05:161
111391290,0ptp4l0-21swapper/011:49:210
111391280,4ptp4l28568-21ssh12:01:185
111391280,0ptp4l0-21swapper/711:39:437
111391280,0ptp4l0-21swapper/511:28:225
111391280,0ptp4l0-21swapper/509:22:485
111391280,0ptp4l0-21swapper/412:21:414
111391280,0ptp4l0-21swapper/411:38:044
111391280,0ptp4l0-21swapper/411:20:334
111391280,0ptp4l0-21swapper/411:17:344
111391280,0ptp4l0-21swapper/410:01:264
111391280,0ptp4l0-21swapper/409:50:294
111391280,0ptp4l0-21swapper/409:43:064
111391280,0ptp4l0-21swapper/409:36:224
111391280,0ptp4l0-21swapper/109:31:251
111391280,0ptp4l0-21swapper/109:31:251
111391280,0ptp4l0-21swapper/012:22:400
111391280,0ptp4l0-21swapper/011:09:510
111391280,0ptp4l0-21swapper/010:56:580
111391280,0ptp4l0-21swapper/010:54:190
111391280,0ptp4l0-21swapper/010:49:510
111391280,0ptp4l0-21swapper/010:41:430
111391280,0ptp4l0-21swapper/009:40:180
111391280,0ptp4l0-21swapper/007:50:120
111391270,0ptp4l0-21swapper/510:55:195
111391270,0ptp4l0-21swapper/412:28:434
111391270,0ptp4l0-21swapper/412:02:084
111391270,0ptp4l0-21swapper/411:51:284
111391270,0ptp4l0-21swapper/411:48:284
111391270,0ptp4l0-21swapper/411:44:494
111391270,0ptp4l0-21swapper/409:30:594
111391270,0ptp4l0-21swapper/409:30:594
111391270,0ptp4l0-21swapper/407:15:184
111391270,0ptp4l0-21swapper/112:06:491
111391270,0ptp4l0-21swapper/112:06:491
111391270,0ptp4l0-21swapper/112:00:211
111391270,0ptp4l0-21swapper/109:18:431
111391270,0ptp4l0-21swapper/010:30:170
111391270,0ptp4l0-21swapper/010:28:320
111391270,0ptp4l0-21swapper/010:16:430
111391270,0ptp4l0-21swapper/008:35:220
111391260,0ptp4l0-21swapper/511:00:145
111391260,0ptp4l0-21swapper/508:08:165
111391260,0ptp4l0-21swapper/412:09:244
111391260,0ptp4l0-21swapper/412:09:234
111391260,0ptp4l0-21swapper/410:54:034
111391260,0ptp4l0-21swapper/409:17:054
111391260,0ptp4l0-21swapper/312:32:173
111391260,0ptp4l0-21swapper/311:40:243
111391260,0ptp4l0-21swapper/110:56:391
111391260,0ptp4l0-21swapper/012:36:250
111391260,0ptp4l0-21swapper/012:28:450
111391260,0ptp4l0-21swapper/011:19:440
111391260,0ptp4l0-21swapper/009:32:500
111391260,0ptp4l0-21swapper/009:32:490
111391250,1ptp4l8592-21/usr/sbin/munin10:50:141
111391250,0ptp4l0-21swapper/712:32:287
111391250,0ptp4l0-21swapper/609:29:266
111391250,0ptp4l0-21swapper/511:11:095
111391250,0ptp4l0-21swapper/509:36:035
111391250,0ptp4l0-21swapper/508:35:165
111391250,0ptp4l0-21swapper/409:59:374
111391250,0ptp4l0-21swapper/409:27:584
111391250,0ptp4l0-21swapper/409:22:444
111391250,0ptp4l0-21swapper/111:59:441
111391250,0ptp4l0-21swapper/111:17:051
111391250,0ptp4l0-21swapper/107:25:121
111391250,0ptp4l0-21swapper/012:06:100
111391250,0ptp4l0-21swapper/012:06:090
111391250,0ptp4l0-21swapper/009:19:530
111391250,0ptp4l0-21swapper/009:05:150
111391250,0ptp4l0-21swapper/007:40:110
111391250,0ptp4l0-21swapper/007:20:000
111391240,1ptp4l744599cyclictest10:45:157
111391240,1ptp4l6439-21sshd08:15:155
111391240,1ptp4l4645-21ls08:10:194
111391240,1ptp4l4274-21strings08:10:150
111391240,1ptp4l23804-21latency_hist08:55:004
111391240,1ptp4l21618-21sed07:40:000
111391240,1ptp4l21526-21munin-run10:25:010
111391240,1ptp4l21165-21awk07:35:174
111391240,1ptp4l17114-21cat12:30:144
111391240,1ptp4l15239-21sshd08:35:141
111391240,0ptp4l0-21swapper/512:25:445
111391240,0ptp4l0-21swapper/511:48:335
111391240,0ptp4l0-21swapper/410:21:184
111391240,0ptp4l0-21swapper/410:10:144
111391240,0ptp4l0-21swapper/409:11:324
111391240,0ptp4l0-21swapper/408:55:104
111391240,0ptp4l0-21swapper/408:30:184
111391240,0ptp4l0-21swapper/408:20:194
111391240,0ptp4l0-21swapper/407:30:124
111391240,0ptp4l0-21swapper/111:36:351
111391240,0ptp4l0-21swapper/111:10:411
111391240,0ptp4l0-21swapper/107:15:131
111391240,0ptp4l0-21swapper/012:34:190
111391240,0ptp4l0-21swapper/012:18:580
111391240,0ptp4l0-21swapper/011:59:000
111391240,0ptp4l0-21swapper/011:50:490
111391240,0ptp4l0-21swapper/011:27:360
111391240,0ptp4l0-21swapper/011:21:410
111391240,0ptp4l0-21swapper/010:14:440
111391240,0ptp4l0-21swapper/009:10:110
111391230,2ptp4l0-21swapper/011:13:310
111391230,1ptp4l6737-21ssh11:31:434
111391230,0ptp4l5984-21latency_hist09:20:005
111391230,0ptp4l0-21swapper/711:15:137
111391230,0ptp4l0-21swapper/609:49:106
111391230,0ptp4l0-21swapper/608:25:126
111391230,0ptp4l0-21swapper/512:15:155
111391230,0ptp4l0-21swapper/511:06:135
111391230,0ptp4l0-21swapper/510:50:185
111391230,0ptp4l0-21swapper/510:49:105
111391230,0ptp4l0-21swapper/510:35:185
111391230,0ptp4l0-21swapper/509:47:345
111391230,0ptp4l0-21swapper/508:45:165
111391230,0ptp4l0-21swapper/507:35:105
111391230,0ptp4l0-21swapper/411:55:124
111391230,0ptp4l0-21swapper/410:55:134
111391230,0ptp4l0-21swapper/410:40:114
111391230,0ptp4l0-21swapper/410:15:124
111391230,0ptp4l0-21swapper/410:05:104
111391230,0ptp4l0-21swapper/409:00:154
111391230,0ptp4l0-21swapper/408:40:124
111391230,0ptp4l0-21swapper/408:28:594
111391230,0ptp4l0-21swapper/407:55:154
111391230,0ptp4l0-21swapper/407:40:134
111391230,0ptp4l0-21swapper/407:25:154
111391230,0ptp4l0-21swapper/407:20:174
111391230,0ptp4l0-21swapper/407:10:134
111391230,0ptp4l0-21swapper/310:45:273
111391230,0ptp4l0-21swapper/309:41:343
111391230,0ptp4l0-21swapper/111:52:191
111391230,0ptp4l0-21swapper/110:30:521
111391230,0ptp4l0-21swapper/109:54:551
111391230,0ptp4l0-21swapper/109:42:531
111391230,0ptp4l0-21swapper/109:25:161
111391230,0ptp4l0-21swapper/109:11:571
111391230,0ptp4l0-21swapper/108:45:181
111391230,0ptp4l0-21swapper/012:10:150
111391230,0ptp4l0-21swapper/012:10:140
111391230,0ptp4l0-21swapper/012:00:140
111391230,0ptp4l0-21swapper/011:32:100
111391230,0ptp4l0-21swapper/011:00:100
111391230,0ptp4l0-21swapper/010:35:210
111391230,0ptp4l0-21swapper/010:05:190
111391230,0ptp4l0-21swapper/010:00:120
111391230,0ptp4l0-21swapper/009:58:590
111391230,0ptp4l0-21swapper/009:50:120
111391230,0ptp4l0-21swapper/009:35:150
111391230,0ptp4l0-21swapper/008:30:110
111391230,0ptp4l0-21swapper/008:25:140
111391230,0ptp4l0-21swapper/007:55:150
111391230,0ptp4l0-21swapper/007:45:120
111391230,0ptp4l0-21swapper/007:30:010
111391230,0ptp4l0-21swapper/007:10:150
743199220,11cyclictest0-21swapper/512:35:005
111391220,0ptp4l0-21swapper/711:14:597
111391220,0ptp4l0-21swapper/612:33:416
111391220,0ptp4l0-21swapper/610:31:376
111391220,0ptp4l0-21swapper/609:16:036
111391220,0ptp4l0-21swapper/512:36:295
111391220,0ptp4l0-21swapper/512:08:085
111391220,0ptp4l0-21swapper/512:08:075
111391220,0ptp4l0-21swapper/511:55:175
111391220,0ptp4l0-21swapper/511:53:485
111391220,0ptp4l0-21swapper/511:38:425
111391220,0ptp4l0-21swapper/511:33:415
111391220,0ptp4l0-21swapper/511:24:295
111391220,0ptp4l0-21swapper/510:20:535
111391220,0ptp4l0-21swapper/510:17:495
111391220,0ptp4l0-21swapper/510:08:455
111391220,0ptp4l0-21swapper/509:40:575
111391220,0ptp4l0-21swapper/509:32:345
111391220,0ptp4l0-21swapper/509:32:335
111391220,0ptp4l0-21swapper/509:25:175
111391220,0ptp4l0-21swapper/509:11:555
111391220,0ptp4l0-21swapper/508:40:175
111391220,0ptp4l0-21swapper/507:25:125
111391220,0ptp4l0-21swapper/412:36:074
111391220,0ptp4l0-21swapper/412:17:224
111391220,0ptp4l0-21swapper/411:25:404
111391220,0ptp4l0-21swapper/411:05:054
111391220,0ptp4l0-21swapper/411:00:574
111391220,0ptp4l0-21swapper/410:35:414
111391220,0ptp4l0-21swapper/410:30:174
111391220,0ptp4l0-21swapper/410:25:134
111391220,0ptp4l0-21swapper/408:35:204
111391220,0ptp4l0-21swapper/408:05:004
111391220,0ptp4l0-21swapper/408:00:164
111391220,0ptp4l0-21swapper/407:50:194
111391220,0ptp4l0-21swapper/311:15:373
111391220,0ptp4l0-21swapper/209:29:272
111391220,0ptp4l0-21swapper/112:37:151
111391220,0ptp4l0-21swapper/112:15:111
111391220,0ptp4l0-21swapper/111:30:371
111391220,0ptp4l0-21swapper/111:21:111
111391220,0ptp4l0-21swapper/111:07:441
111391220,0ptp4l0-21swapper/111:00:111
111391220,0ptp4l0-21swapper/110:48:371
111391220,0ptp4l0-21swapper/110:26:371
111391220,0ptp4l0-21swapper/110:23:271
111391220,0ptp4l0-21swapper/110:12:351
111391220,0ptp4l0-21swapper/109:59:151
111391220,0ptp4l0-21swapper/109:21:191
111391220,0ptp4l0-21swapper/108:40:161
111391220,0ptp4l0-21swapper/108:25:191
111391220,0ptp4l0-21swapper/108:15:171
111391220,0ptp4l0-21swapper/107:40:341
111391220,0ptp4l0-21swapper/011:43:500
111391220,0ptp4l0-21swapper/009:00:000
111391220,0ptp4l0-21swapper/008:40:190
111391220,0ptp4l0-21swapper/008:20:170
111391220,0ptp4l0-21swapper/008:00:140
111391220,0ptp4l0-21swapper/007:20:130
111391210,0ptp4l0-21swapper/611:07:586
111391210,0ptp4l0-21swapper/512:10:295
111391210,0ptp4l0-21swapper/512:10:295
111391210,0ptp4l0-21swapper/511:16:455
111391210,0ptp4l0-21swapper/510:42:025
111391210,0ptp4l0-21swapper/510:30:405
111391210,0ptp4l0-21swapper/510:13:235
111391210,0ptp4l0-21swapper/509:56:245
111391210,0ptp4l0-21swapper/508:53:155
111391210,0ptp4l0-21swapper/507:59:225
111391210,0ptp4l0-21swapper/411:10:174
111391210,0ptp4l0-21swapper/311:39:103
111391210,0ptp4l0-21swapper/210:31:422
111391210,0ptp4l0-21swapper/209:15:552
111391210,0ptp4l0-21swapper/112:25:351
111391210,0ptp4l0-21swapper/111:47:161
111391210,0ptp4l0-21swapper/110:17:511
111391210,0ptp4l0-21swapper/110:09:231
111391210,0ptp4l0-21swapper/109:47:011
111391210,0ptp4l0-21swapper/109:35:341
111391210,0ptp4l0-21swapper/108:53:271
111391210,0ptp4l0-21swapper/108:34:161
111391210,0ptp4l0-21swapper/108:12:341
111391210,0ptp4l0-21swapper/008:55:010
111391210,0ptp4l0-21swapper/008:50:150
111391200,0ptp4l0-21swapper/608:49:516
111391200,0ptp4l0-21swapper/510:26:395
111391200,0ptp4l0-21swapper/508:28:355
111391200,0ptp4l0-21swapper/508:12:025
111391200,0ptp4l0-21swapper/508:02:325
111391200,0ptp4l0-21swapper/507:46:565
111391200,0ptp4l0-21swapper/507:34:155
111391200,0ptp4l0-21swapper/211:03:592
111391200,0ptp4l0-21swapper/208:05:342
111391200,0ptp4l0-21swapper/207:31:442
111391200,0ptp4l0-21swapper/112:14:361
111391200,0ptp4l0-21swapper/112:14:351
111391200,0ptp4l0-21swapper/109:01:521
111391200,0ptp4l0-21swapper/108:02:151
111391200,0ptp4l0-21swapper/107:52:151
111391200,0ptp4l0-21swapper/008:49:150
111391200,0ptp4l0-21swapper/007:25:160
111391190,3ptp4l0-21swapper/107:39:011
111391190,0ptp4l30512-21diskmemload12:23:252
111391190,0ptp4l0-21swapper/609:43:296
111391190,0ptp4l0-21swapper/508:23:155
111391190,0ptp4l0-21swapper/507:52:115
111391190,0ptp4l0-21swapper/507:22:395
111391190,0ptp4l0-21swapper/408:17:354
111391190,0ptp4l0-21swapper/212:33:542
111391190,0ptp4l0-21swapper/211:07:572
111391190,0ptp4l0-21swapper/209:49:162
111391190,0ptp4l0-21swapper/209:43:222
111391190,0ptp4l0-21swapper/110:41:571
111391190,0ptp4l0-21swapper/108:58:351
111391190,0ptp4l0-21swapper/107:59:001
111391190,0ptp4l0-21swapper/008:09:350
111391180,0ptp4l0-21swapper/709:41:357
111391180,0ptp4l0-21swapper/508:56:085
111391180,0ptp4l0-21swapper/211:23:352
111391180,0ptp4l0-21swapper/208:49:552
111391180,0ptp4l0-21swapper/112:21:021
111391180,0ptp4l0-21swapper/107:21:121
111391170,0ptp4l18238-21ssh12:31:301
111391170,0ptp4l0-21swapper/110:01:561
111391160,0ptp4l41-21ksoftirqd/311:14:563
111391160,0ptp4l0-21swapper/611:23:356
111391160,0ptp4l0-21swapper/507:40:345
111391160,0ptp4l0-21swapper/507:15:505
111391160,0ptp4l0-21swapper/507:11:125
111391160,0ptp4l0-21swapper/408:46:164
111391160,0ptp4l0-21swapper/109:09:411
111391160,0ptp4l0-21swapper/107:30:241
111391150,0ptp4l0-21swapper/707:48:077
111391150,0ptp4l0-21swapper/611:04:016
111391150,0ptp4l0-21swapper/608:41:336
111391150,0ptp4l0-21swapper/608:35:366
111391150,0ptp4l0-21swapper/608:24:176
111391150,0ptp4l0-21swapper/608:19:366
111391150,0ptp4l0-21swapper/608:10:416
111391150,0ptp4l0-21swapper/608:05:336
111391150,0ptp4l0-21swapper/608:04:036
111391150,0ptp4l0-21swapper/607:54:006
111391150,0ptp4l0-21swapper/607:31:036
111391150,0ptp4l0-21swapper/607:27:046
111391150,0ptp4l0-21swapper/512:21:035
111391150,0ptp4l0-21swapper/509:06:475
111391150,0ptp4l0-21swapper/509:00:475
111391150,0ptp4l0-21swapper/508:31:375
111391150,0ptp4l0-21swapper/208:42:062
111391150,0ptp4l0-21swapper/208:35:362
111391150,0ptp4l0-21swapper/208:31:052
111391150,0ptp4l0-21swapper/208:19:382
111391150,0ptp4l0-21swapper/208:10:402
111391150,0ptp4l0-21swapper/108:20:511
111391150,0ptp4l0-21swapper/107:46:541
111391150,0ptp4l0-21swapper/107:11:021
111391150,0ptp4l0-21swapper/008:19:020
111391140,0ptp4l0-21swapper/608:31:066
111391140,0ptp4l0-21swapper/607:44:456
111391140,0ptp4l0-21swapper/607:14:176
111391140,0ptp4l0-21swapper/511:44:045
111391140,0ptp4l0-21swapper/307:48:053
111391140,0ptp4l0-21swapper/208:25:042
111391140,0ptp4l0-21swapper/208:24:102
111391140,0ptp4l0-21swapper/208:03:532
111391140,0ptp4l0-21swapper/207:53:572
111391140,0ptp4l0-21swapper/207:44:452
111391140,0ptp4l0-21swapper/207:27:052
111391140,0ptp4l0-21swapper/207:14:182
744599100,9cyclictest0-21swapper/707:10:117
744599100,0cyclictest0-21swapper/711:05:087
743999109,0cyclictest0-21swapper/608:50:176
188191100,1phc2sys0-21swapper/610:01:016
74459998,0cyclictest0-21swapper/712:22:387
74459998,0cyclictest0-21swapper/711:55:167
74459998,0cyclictest0-21swapper/710:42:217
74459990,8cyclictest0-21swapper/712:04:237
74459990,8cyclictest0-21swapper/711:29:397
74459990,8cyclictest0-21swapper/710:12:297
74459990,8cyclictest0-21swapper/709:46:247
74459990,8cyclictest0-21swapper/709:34:007
74459990,8cyclictest0-21swapper/709:33:597
74399998,0cyclictest0-21swapper/609:33:576
74399998,0cyclictest0-21swapper/609:33:576
74319990,5cyclictest0-21swapper/510:03:025
74199997,1cyclictest30512-21diskmemload12:12:053
74199997,1cyclictest30512-21diskmemload12:12:043
74199990,8cyclictest0-21swapper/311:00:343
74199990,8cyclictest0-21swapper/308:10:133
74119998,0cyclictest0-21swapper/212:03:562
74119998,0cyclictest0-21swapper/210:45:202
74119990,8cyclictest0-21swapper/211:45:042
74119990,8cyclictest0-21swapper/209:33:232
74119990,8cyclictest0-21swapper/209:33:222
74049998,0cyclictest0-21swapper/111:44:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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