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2026-09-18 - 16:52

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 Sep 18, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1881916845,6phc2sys0-21swapper/407:09:244
298772660,0sleep50-21swapper/512:16:405
111391630,31ptp4l0-21swapper/207:05:482
111391620,30ptp4l0-21swapper/007:08:340
111391610,30ptp4l0-21swapper/107:07:001
111391600,5ptp4l0-21swapper/607:05:576
607225240,7sleep70-21swapper/707:09:397
111391510,5ptp4l0-21swapper/507:07:255
418424635,7sleep30-21swapper/307:05:043
111391320,0ptp4l0-21swapper/108:35:191
111391320,0ptp4l0-21swapper/011:55:190
111391320,0ptp4l0-21swapper/011:55:190
111391310,0ptp4l0-21swapper/107:25:121
111391310,0ptp4l0-21swapper/011:14:110
111391300,0ptp4l0-21swapper/510:51:295
111391300,0ptp4l0-21swapper/411:52:374
111391300,0ptp4l0-21swapper/410:22:364
111391300,0ptp4l0-21swapper/007:50:180
111391290,1ptp4l840-21ssh10:47:203
111391290,0ptp4l0-21swapper/412:10:154
111391290,0ptp4l0-21swapper/411:08:314
111391290,0ptp4l0-21swapper/012:36:070
111391290,0ptp4l0-21swapper/012:04:160
111391290,0ptp4l0-21swapper/009:51:340
111391290,0ptp4l0-21swapper/008:10:180
111391280,3ptp4l0-21swapper/410:41:234
111391280,0ptp4l0-21swapper/411:36:024
111391280,0ptp4l0-21swapper/312:31:383
111391280,0ptp4l0-21swapper/110:06:451
111391280,0ptp4l0-21swapper/109:55:351
111391280,0ptp4l0-21swapper/012:29:040
111391280,0ptp4l0-21swapper/011:22:550
111391280,0ptp4l0-21swapper/011:08:170
111391270,0ptp4l0-21swapper/512:07:335
111391270,0ptp4l0-21swapper/411:30:384
111391270,0ptp4l0-21swapper/411:12:394
111391270,0ptp4l0-21swapper/409:45:344
111391270,0ptp4l0-21swapper/409:38:164
111391270,0ptp4l0-21swapper/408:55:144
111391270,0ptp4l0-21swapper/110:31:401
111391270,0ptp4l0-21swapper/107:31:241
111391270,0ptp4l0-21swapper/012:23:580
111391270,0ptp4l0-21swapper/011:48:570
111391270,0ptp4l0-21swapper/010:10:160
111391260,3ptp4l0-21swapper/411:19:394
111391260,0ptp4l20259-21ssh12:03:324
111391260,0ptp4l0-21swapper/510:43:415
111391260,0ptp4l0-21swapper/510:37:195
111391260,0ptp4l0-21swapper/510:31:465
111391260,0ptp4l0-21swapper/509:31:385
111391260,0ptp4l0-21swapper/412:39:404
111391260,0ptp4l0-21swapper/411:56:274
111391260,0ptp4l0-21swapper/411:56:264
111391260,0ptp4l0-21swapper/411:20:374
111391260,0ptp4l0-21swapper/410:53:354
111391260,0ptp4l0-21swapper/409:22:564
111391260,0ptp4l0-21swapper/112:39:011
111391260,0ptp4l0-21swapper/111:17:271
111391260,0ptp4l0-21swapper/110:43:101
111391260,0ptp4l0-21swapper/110:26:491
111391260,0ptp4l0-21swapper/109:32:351
111391260,0ptp4l0-21swapper/107:20:151
111391260,0ptp4l0-21swapper/012:33:490
111391260,0ptp4l0-21swapper/011:40:170
111391260,0ptp4l0-21swapper/011:33:140
111391260,0ptp4l0-21swapper/011:19:040
111391260,0ptp4l0-21swapper/010:04:290
111391260,0ptp4l0-21swapper/009:30:390
111391260,0ptp4l0-21swapper/009:24:270
111391250,1ptp4l29313-21users07:55:194
111391250,0ptp4l0-21swapper/512:37:585
111391250,0ptp4l0-21swapper/509:39:165
111391250,0ptp4l0-21swapper/508:35:375
111391250,0ptp4l0-21swapper/412:25:004
111391250,0ptp4l0-21swapper/411:45:184
111391250,0ptp4l0-21swapper/411:28:034
111391250,0ptp4l0-21swapper/209:51:442
111391250,0ptp4l0-21swapper/110:22:501
111391250,0ptp4l0-21swapper/110:01:391
111391250,0ptp4l0-21swapper/109:48:521
111391250,0ptp4l0-21swapper/109:40:111
111391250,0ptp4l0-21swapper/010:42:510
111391250,0ptp4l0-21swapper/009:35:180
111391250,0ptp4l0-21swapper/009:18:470
111391250,0ptp4l0-21swapper/009:18:460
111391250,0ptp4l0-21swapper/008:20:130
111391250,0ptp4l0-21swapper/007:15:130
111391240,1ptp4l9139-21munin-node07:15:024
111391240,1ptp4l8024-21sensors08:20:184
111391240,1ptp4l575-21ssh10:46:305
111391240,1ptp4l29708-21munin-run07:59:590
111391240,1ptp4l29024-21taskset12:15:184
111391240,1ptp4l22833-21munin-run07:45:004
111391240,0ptp4l29478-21diskmemload12:25:084
111391240,0ptp4l0-21swapper/711:50:307
111391240,0ptp4l0-21swapper/509:59:385
111391240,0ptp4l0-21swapper/509:10:055
111391240,0ptp4l0-21swapper/509:02:565
111391240,0ptp4l0-21swapper/508:50:115
111391240,0ptp4l0-21swapper/508:45:215
111391240,0ptp4l0-21swapper/412:08:314
111391240,0ptp4l0-21swapper/410:03:014
111391240,0ptp4l0-21swapper/409:30:094
111391240,0ptp4l0-21swapper/409:16:214
111391240,0ptp4l0-21swapper/409:16:204
111391240,0ptp4l0-21swapper/409:11:014
111391240,0ptp4l0-21swapper/407:24:244
111391240,0ptp4l0-21swapper/308:13:063
111391240,0ptp4l0-21swapper/211:21:102
111391240,0ptp4l0-21swapper/110:10:401
111391240,0ptp4l0-21swapper/108:40:161
111391240,0ptp4l0-21swapper/012:15:110
111391240,0ptp4l0-21swapper/011:55:000
111391240,0ptp4l0-21swapper/011:37:420
111391240,0ptp4l0-21swapper/011:29:170
111391240,0ptp4l0-21swapper/010:55:170
111391240,0ptp4l0-21swapper/010:39:350
111391240,0ptp4l0-21swapper/010:25:490
111391240,0ptp4l0-21swapper/010:05:140
111391240,0ptp4l0-21swapper/009:10:210
111391240,0ptp4l0-21swapper/009:05:130
111391240,0ptp4l0-21swapper/008:25:160
111391230,1ptp4l11183-21grep10:15:144
111391230,0ptp4l27775-21latency_hist12:15:010
111391230,0ptp4l0-21swapper/609:50:156
111391230,0ptp4l0-21swapper/512:00:185
111391230,0ptp4l0-21swapper/511:25:155
111391230,0ptp4l0-21swapper/510:08:275
111391230,0ptp4l0-21swapper/509:47:295
111391230,0ptp4l0-21swapper/509:15:115
111391230,0ptp4l0-21swapper/509:15:105
111391230,0ptp4l0-21swapper/509:05:185
111391230,0ptp4l0-21swapper/508:40:145
111391230,0ptp4l0-21swapper/508:20:015
111391230,0ptp4l0-21swapper/507:50:145
111391230,0ptp4l0-21swapper/507:30:175
111391230,0ptp4l0-21swapper/507:25:155
111391230,0ptp4l0-21swapper/412:30:124
111391230,0ptp4l0-21swapper/411:40:154
111391230,0ptp4l0-21swapper/411:00:154
111391230,0ptp4l0-21swapper/410:56:304
111391230,0ptp4l0-21swapper/410:30:114
111391230,0ptp4l0-21swapper/410:25:134
111391230,0ptp4l0-21swapper/410:05:164
111391230,0ptp4l0-21swapper/409:25:174
111391230,0ptp4l0-21swapper/408:38:444
111391230,0ptp4l0-21swapper/408:25:154
111391230,0ptp4l0-21swapper/408:15:144
111391230,0ptp4l0-21swapper/408:00:194
111391230,0ptp4l0-21swapper/312:00:463
111391230,0ptp4l0-21swapper/311:51:203
111391230,0ptp4l0-21swapper/310:14:313
111391230,0ptp4l0-21swapper/112:00:111
111391230,0ptp4l0-21swapper/111:59:201
111391230,0ptp4l0-21swapper/111:59:191
111391230,0ptp4l0-21swapper/111:25:181
111391230,0ptp4l0-21swapper/111:14:271
111391230,0ptp4l0-21swapper/110:51:331
111391230,0ptp4l0-21swapper/110:45:031
111391230,0ptp4l0-21swapper/110:37:571
111391230,0ptp4l0-21swapper/109:14:231
111391230,0ptp4l0-21swapper/108:45:131
111391230,0ptp4l0-21swapper/012:06:160
111391230,0ptp4l0-21swapper/011:00:120
111391230,0ptp4l0-21swapper/010:30:150
111391230,0ptp4l0-21swapper/010:20:120
111391230,0ptp4l0-21swapper/010:15:130
111391230,0ptp4l0-21swapper/009:50:010
111391230,0ptp4l0-21swapper/009:00:110
111391230,0ptp4l0-21swapper/008:55:210
111391230,0ptp4l0-21swapper/008:15:120
111391230,0ptp4l0-21swapper/008:05:210
111391230,0ptp4l0-21swapper/007:45:150
111391230,0ptp4l0-21swapper/007:35:150
111391230,0ptp4l0-21swapper/007:15:000
111391220,0ptp4l0-21swapper/712:31:417
111391220,0ptp4l0-21swapper/711:56:157
111391220,0ptp4l0-21swapper/711:56:157
111391220,0ptp4l0-21swapper/610:36:546
111391220,0ptp4l0-21swapper/512:32:325
111391220,0ptp4l0-21swapper/512:24:185
111391220,0ptp4l0-21swapper/512:14:435
111391220,0ptp4l0-21swapper/511:38:105
111391220,0ptp4l0-21swapper/511:33:275
111391220,0ptp4l0-21swapper/511:13:215
111391220,0ptp4l0-21swapper/511:09:265
111391220,0ptp4l0-21swapper/510:59:175
111391220,0ptp4l0-21swapper/510:29:265
111391220,0ptp4l0-21swapper/510:20:445
111391220,0ptp4l0-21swapper/510:10:115
111391220,0ptp4l0-21swapper/509:50:555
111391220,0ptp4l0-21swapper/509:40:065
111391220,0ptp4l0-21swapper/508:30:175
111391220,0ptp4l0-21swapper/508:06:245
111391220,0ptp4l0-21swapper/507:40:155
111391220,0ptp4l0-21swapper/507:20:165
111391220,0ptp4l0-21swapper/410:36:314
111391220,0ptp4l0-21swapper/410:10:144
111391220,0ptp4l0-21swapper/409:58:274
111391220,0ptp4l0-21swapper/409:50:584
111391220,0ptp4l0-21swapper/409:43:354
111391220,0ptp4l0-21swapper/409:00:124
111391220,0ptp4l0-21swapper/408:50:214
111391220,0ptp4l0-21swapper/408:30:114
111391220,0ptp4l0-21swapper/408:10:164
111391220,0ptp4l0-21swapper/408:05:014
111391220,0ptp4l0-21swapper/407:54:314
111391220,0ptp4l0-21swapper/407:45:194
111391220,0ptp4l0-21swapper/407:35:114
111391220,0ptp4l0-21swapper/407:14:234
111391220,0ptp4l0-21swapper/211:03:322
111391220,0ptp4l0-21swapper/209:59:582
111391220,0ptp4l0-21swapper/112:31:091
111391220,0ptp4l0-21swapper/112:28:261
111391220,0ptp4l0-21swapper/112:15:471
111391220,0ptp4l0-21swapper/112:07:331
111391220,0ptp4l0-21swapper/111:41:531
111391220,0ptp4l0-21swapper/111:33:471
111391220,0ptp4l0-21swapper/109:53:431
111391220,0ptp4l0-21swapper/109:36:591
111391220,0ptp4l0-21swapper/109:29:271
111391220,0ptp4l0-21swapper/109:20:431
111391220,0ptp4l0-21swapper/109:15:111
111391220,0ptp4l0-21swapper/109:15:101
111391220,0ptp4l0-21swapper/108:50:131
111391220,0ptp4l0-21swapper/108:05:151
111391220,0ptp4l0-21swapper/107:50:111
111391220,0ptp4l0-21swapper/010:50:110
111391220,0ptp4l0-21swapper/009:58:120
111391220,0ptp4l0-21swapper/009:42:300
111391220,0ptp4l0-21swapper/009:25:130
111391220,0ptp4l0-21swapper/008:54:070
111391220,0ptp4l0-21swapper/008:45:010
111391220,0ptp4l0-21swapper/008:00:120
111391220,0ptp4l0-21swapper/007:40:130
111391210,0ptp4l0-21swapper/710:47:347
111391210,0ptp4l0-21swapper/710:34:297
111391210,0ptp4l0-21swapper/611:03:346
111391210,0ptp4l0-21swapper/610:59:326
111391210,0ptp4l0-21swapper/609:40:006
111391210,0ptp4l0-21swapper/512:28:215
111391210,0ptp4l0-21swapper/511:59:025
111391210,0ptp4l0-21swapper/511:59:025
111391210,0ptp4l0-21swapper/511:48:305
111391210,0ptp4l0-21swapper/511:41:555
111391210,0ptp4l0-21swapper/511:17:015
111391210,0ptp4l0-21swapper/510:01:575
111391210,0ptp4l0-21swapper/509:27:075
111391210,0ptp4l0-21swapper/507:11:335
111391210,0ptp4l0-21swapper/410:49:354
111391210,0ptp4l0-21swapper/409:05:144
111391210,0ptp4l0-21swapper/407:28:294
111391210,0ptp4l0-21swapper/310:35:003
111391210,0ptp4l0-21swapper/310:34:283
111391210,0ptp4l0-21swapper/210:28:282
111391210,0ptp4l0-21swapper/210:03:092
111391210,0ptp4l0-21swapper/209:00:262
111391210,0ptp4l0-21swapper/112:22:571
111391210,0ptp4l0-21swapper/111:52:071
111391210,0ptp4l0-21swapper/111:46:291
111391210,0ptp4l0-21swapper/111:36:351
111391210,0ptp4l0-21swapper/111:22:561
111391210,0ptp4l0-21swapper/110:59:181
111391210,0ptp4l0-21swapper/109:05:161
111391210,0ptp4l0-21swapper/108:30:171
111391210,0ptp4l0-21swapper/107:49:021
111391210,0ptp4l0-21swapper/107:38:301
111391210,0ptp4l0-21swapper/107:10:111
111391210,0ptp4l0-21swapper/010:45:520
111391210,0ptp4l0-21swapper/008:30:110
111391200,0ptp4l0-21swapper/712:00:467
111391200,0ptp4l0-21swapper/710:14:437
111391200,0ptp4l0-21swapper/610:03:076
111391200,0ptp4l0-21swapper/511:53:255
111391200,0ptp4l0-21swapper/510:15:555
111391200,0ptp4l0-21swapper/508:20:005
111391200,0ptp4l0-21swapper/507:48:315
111391200,0ptp4l0-21swapper/507:19:315
111391200,0ptp4l0-21swapper/408:45:374
111391200,0ptp4l0-21swapper/311:55:493
111391200,0ptp4l0-21swapper/311:55:493
111391200,0ptp4l0-21swapper/211:27:252
111391200,0ptp4l0-21swapper/111:06:561
111391200,0ptp4l0-21swapper/111:01:191
111391200,0ptp4l0-21swapper/108:26:031
111391200,0ptp4l0-21swapper/108:21:301
111391200,0ptp4l0-21swapper/107:56:231
111391200,0ptp4l0-21swapper/107:40:151
111391200,0ptp4l0-21swapper/008:38:540
111391200,0ptp4l0-21swapper/007:34:250
111391200,0ptp4l0-21swapper/007:20:140
139202190,0sleep60-21swapper/611:54:386
111391190,0ptp4l0-21swapper/611:49:106
111391190,0ptp4l0-21swapper/511:23:075
111391190,0ptp4l0-21swapper/509:22:005
111391190,0ptp4l0-21swapper/408:43:264
111391190,0ptp4l0-21swapper/407:32:304
111391190,0ptp4l0-21swapper/211:49:112
111391190,0ptp4l0-21swapper/211:30:032
111391190,0ptp4l0-21swapper/210:59:302
111391190,0ptp4l0-21swapper/109:02:301
111391190,0ptp4l0-21swapper/108:18:311
111391180,0ptp4l0-21swapper/708:12:437
111391180,0ptp4l0-21swapper/611:27:276
111391180,0ptp4l0-21swapper/610:49:486
111391180,0ptp4l0-21swapper/610:28:246
111391180,0ptp4l0-21swapper/607:29:246
111391180,0ptp4l0-21swapper/511:04:505
111391180,0ptp4l0-21swapper/507:56:445
111391180,0ptp4l0-21swapper/209:40:432
111391180,0ptp4l0-21swapper/209:36:242
111391180,0ptp4l0-21swapper/110:18:531
111391180,0ptp4l0-21swapper/007:28:000
637399170,1cyclictest0-21swapper/210:10:132
111391170,0ptp4l0-21swapper/611:21:146
111391170,0ptp4l0-21swapper/609:40:006
111391170,0ptp4l0-21swapper/508:59:305
111391170,0ptp4l0-21swapper/508:02:545
111391170,0ptp4l0-21swapper/211:51:372
111391170,0ptp4l0-21swapper/210:36:562
111391170,0ptp4l0-21swapper/209:18:182
111391170,0ptp4l0-21swapper/209:18:172
111391170,0ptp4l0-21swapper/112:14:421
111391170,0ptp4l0-21swapper/108:59:261
111391170,0ptp4l0-21swapper/008:42:190
111391160,0ptp4l0-21swapper/707:11:567
111391160,0ptp4l0-21swapper/508:29:085
111391160,0ptp4l0-21swapper/307:12:433
111391160,0ptp4l0-21swapper/208:05:392
111391160,0ptp4l0-21swapper/108:11:491
111391160,0ptp4l0-21swapper/108:02:521
111391160,0ptp4l0-21swapper/107:19:261
111391150,0ptp4l0-21swapper/710:35:047
111391150,0ptp4l0-21swapper/609:04:436
111391150,0ptp4l0-21swapper/608:56:086
111391150,0ptp4l0-21swapper/608:35:576
111391150,0ptp4l0-21swapper/608:33:506
111391150,0ptp4l0-21swapper/608:21:586
111391150,0ptp4l0-21swapper/608:16:406
111391150,0ptp4l0-21swapper/608:05:356
111391150,0ptp4l0-21swapper/607:30:036
111391150,0ptp4l0-21swapper/508:11:095
111391150,0ptp4l0-21swapper/507:35:555
111391150,0ptp4l0-21swapper/208:57:252
111391150,0ptp4l0-21swapper/208:24:562
111391150,0ptp4l0-21swapper/207:26:122
111391140,0ptp4l0-21swapper/611:30:006
111391140,0ptp4l0-21swapper/608:53:536
111391140,0ptp4l0-21swapper/607:37:566
111391140,0ptp4l0-21swapper/210:49:462
111391140,0ptp4l0-21swapper/208:42:312
111391140,0ptp4l0-21swapper/208:35:562
111391140,0ptp4l0-21swapper/208:33:502
111391140,0ptp4l0-21swapper/208:16:402
111391140,0ptp4l0-21swapper/207:37:592
111391140,0ptp4l0-21swapper/207:30:022
637399128,3cyclictest11136-21munin-run08:30:002
640099110,10cyclictest0-21swapper/609:46:276
640099100,9cyclictest0-21swapper/610:13:576
638099100,9cyclictest0-21swapper/309:35:173
637399109,0cyclictest0-21swapper/211:09:422
637399109,0cyclictest0-21swapper/210:23:392
637399100,9cyclictest0-21swapper/212:27:122
637399100,9cyclictest0-21swapper/211:17:252
637399100,0cyclictest0-21swapper/209:24:062
64089993,1cyclictest0-21swapper/708:33:297
64089992,6cyclictest0-21swapper/709:30:287
64089990,8cyclictest0-21swapper/711:44:087
64009998,0cyclictest0-21swapper/612:03:106
64009998,0cyclictest0-21swapper/609:12:116
64009990,0cyclictest0-21swapper/612:14:486
64009990,0cyclictest0-21swapper/611:12:256
63809998,0cyclictest0-21swapper/312:36:103
63809998,0cyclictest0-21swapper/311:02:113
63809998,0cyclictest0-21swapper/310:53:033
63809998,0cyclictest0-21swapper/307:45:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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