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2026-03-29 - 20:12

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 Sun Mar 29, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1213425949,6sleep70-21swapper/707:05:577
111391590,5ptp4l0-21swapper/407:05:054
1881915634,7phc2sys0-21swapper/007:07:440
27012540,0sleep70-21swapper/711:25:007
1209225443,6sleep20-21swapper/207:05:282
1238724836,7sleep10-21swapper/107:09:111
1220624837,6sleep60-21swapper/607:06:526
1237124736,7sleep30-21swapper/307:08:583
1215924736,6sleep50-21swapper/507:06:195
111391350,0ptp4l0-21swapper/010:30:150
111391320,0ptp4l0-21swapper/407:25:144
111391310,0ptp4l0-21swapper/411:34:544
111391310,0ptp4l0-21swapper/411:05:564
111391310,0ptp4l0-21swapper/410:41:124
111391300,0ptp4l4496-21ssh12:12:034
111391300,0ptp4l0-21swapper/412:21:494
111391300,0ptp4l0-21swapper/412:05:024
111391300,0ptp4l0-21swapper/411:51:244
111391300,0ptp4l0-21swapper/411:29:194
111391300,0ptp4l0-21swapper/410:30:194
111391300,0ptp4l0-21swapper/410:01:284
111391300,0ptp4l0-21swapper/409:30:004
111391300,0ptp4l0-21swapper/010:44:350
111391300,0ptp4l0-21swapper/009:46:470
111391300,0ptp4l0-21swapper/009:44:580
111391290,0ptp4l0-21swapper/411:46:214
111391290,0ptp4l0-21swapper/411:21:264
111391290,0ptp4l0-21swapper/411:10:204
111391290,0ptp4l0-21swapper/409:42:374
111391290,0ptp4l0-21swapper/409:15:074
111391290,0ptp4l0-21swapper/012:19:080
111391290,0ptp4l0-21swapper/012:06:460
111391290,0ptp4l0-21swapper/011:44:530
111391290,0ptp4l0-21swapper/011:31:420
111391290,0ptp4l0-21swapper/010:24:340
111391290,0ptp4l0-21swapper/010:14:050
111391290,0ptp4l0-21swapper/007:10:140
111391280,6ptp4l0-21swapper/412:01:574
111391280,2ptp4l0-21swapper/009:52:520
111391280,0ptp4l0-21swapper/411:44:094
111391280,0ptp4l0-21swapper/409:47:014
111391280,0ptp4l0-21swapper/409:36:264
111391280,0ptp4l0-21swapper/409:23:044
111391280,0ptp4l0-21swapper/409:13:054
111391280,0ptp4l0-21swapper/408:12:334
111391280,0ptp4l0-21swapper/311:47:463
111391280,0ptp4l0-21swapper/309:24:163
111391280,0ptp4l0-21swapper/011:58:190
111391280,0ptp4l0-21swapper/011:21:460
111391280,0ptp4l0-21swapper/011:06:490
111391280,0ptp4l0-21swapper/009:35:570
111391270,2ptp4l0-21swapper/410:06:544
111391270,1ptp4l0-21swapper/408:25:214
111391270,0ptp4l0-21swapper/412:34:594
111391270,0ptp4l0-21swapper/411:35:414
111391270,0ptp4l0-21swapper/407:45:124
111391270,0ptp4l0-21swapper/112:39:491
111391270,0ptp4l0-21swapper/012:00:400
111391260,2ptp4l0-21swapper/410:59:114
111391260,2ptp4l0-21swapper/410:59:114
111391260,1ptp4l27488-21cut07:40:101
111391260,0ptp4l0-21swapper/411:56:184
111391260,0ptp4l0-21swapper/410:49:564
111391260,0ptp4l0-21swapper/410:22:494
111391260,0ptp4l0-21swapper/011:36:000
111391260,0ptp4l0-21swapper/010:05:170
111391260,0ptp4l0-21swapper/009:55:330
111391260,0ptp4l0-21swapper/009:29:000
111391260,0ptp4l0-21swapper/007:53:110
111391250,3ptp4l101ktimersoftd/009:11:130
111391250,1ptp4l23513-21missed_timers07:30:160
111391250,0ptp4l0-21swapper/410:38:514
111391250,0ptp4l0-21swapper/408:19:594
111391250,0ptp4l0-21swapper/408:19:594
111391250,0ptp4l0-21swapper/408:06:584
111391250,0ptp4l0-21swapper/407:41:504
111391250,0ptp4l0-21swapper/112:29:181
111391250,0ptp4l0-21swapper/012:12:540
111391250,0ptp4l0-21swapper/011:52:540
111391250,0ptp4l0-21swapper/010:45:150
111391250,0ptp4l0-21swapper/010:35:480
111391250,0ptp4l0-21swapper/009:20:190
111391250,0ptp4l0-21swapper/008:18:350
111391250,0ptp4l0-21swapper/008:18:350
111391250,0ptp4l0-21swapper/008:00:170
111391250,0ptp4l0-21swapper/007:40:110
111391250,0ptp4l0-21swapper/007:25:470
111391250,0ptp4l0-21swapper/007:25:000
111391240,1ptp4l28557-21users08:50:204
111391240,1ptp4l13227-21hddtemp_smartct07:10:124
111391240,1ptp4l1270599cyclictest10:25:290
111391240,0ptp4l0-21swapper/511:41:065
111391240,0ptp4l0-21swapper/510:15:425
111391240,0ptp4l0-21swapper/412:36:214
111391240,0ptp4l0-21swapper/412:19:514
111391240,0ptp4l0-21swapper/411:17:354
111391240,0ptp4l0-21swapper/411:00:114
111391240,0ptp4l0-21swapper/409:50:164
111391240,0ptp4l0-21swapper/408:45:144
111391240,0ptp4l0-21swapper/311:15:183
111391240,0ptp4l0-21swapper/212:08:492
111391240,0ptp4l0-21swapper/112:05:191
111391240,0ptp4l0-21swapper/112:00:001
111391240,0ptp4l0-21swapper/110:52:451
111391240,0ptp4l0-21swapper/012:32:270
111391240,0ptp4l0-21swapper/011:05:010
111391240,0ptp4l0-21swapper/010:50:190
111391240,0ptp4l0-21swapper/010:00:120
111391240,0ptp4l0-21swapper/009:18:050
111391240,0ptp4l0-21swapper/008:53:010
111391240,0ptp4l0-21swapper/008:25:120
111391240,0ptp4l0-21swapper/008:05:150
111391240,0ptp4l0-21swapper/007:49:160
111391240,0ptp4l0-21swapper/007:19:390
111391230,1ptp4l12696-21cyclictest09:28:184
111391230,0ptp4l2807-21/usr/sbin/munin11:25:190
111391230,0ptp4l0-21swapper/609:27:186
111391230,0ptp4l0-21swapper/512:29:395
111391230,0ptp4l0-21swapper/512:20:115
111391230,0ptp4l0-21swapper/511:55:165
111391230,0ptp4l0-21swapper/511:50:205
111391230,0ptp4l0-21swapper/511:35:215
111391230,0ptp4l0-21swapper/510:30:125
111391230,0ptp4l0-21swapper/509:40:195
111391230,0ptp4l0-21swapper/508:55:115
111391230,0ptp4l0-21swapper/412:27:264
111391230,0ptp4l0-21swapper/410:10:124
111391230,0ptp4l0-21swapper/409:59:394
111391230,0ptp4l0-21swapper/409:05:204
111391230,0ptp4l0-21swapper/409:00:194
111391230,0ptp4l0-21swapper/408:41:164
111391230,0ptp4l0-21swapper/408:30:204
111391230,0ptp4l0-21swapper/407:55:184
111391230,0ptp4l0-21swapper/407:50:094
111391230,0ptp4l0-21swapper/407:35:134
111391230,0ptp4l0-21swapper/407:30:214
111391230,0ptp4l0-21swapper/407:16:364
111391230,0ptp4l0-21swapper/208:40:132
111391230,0ptp4l0-21swapper/112:00:101
111391230,0ptp4l0-21swapper/111:50:201
111391230,0ptp4l0-21swapper/111:37:131
111391230,0ptp4l0-21swapper/111:06:551
111391230,0ptp4l0-21swapper/108:00:001
111391230,0ptp4l0-21swapper/012:36:160
111391230,0ptp4l0-21swapper/012:20:180
111391230,0ptp4l0-21swapper/011:45:170
111391230,0ptp4l0-21swapper/009:30:200
111391230,0ptp4l0-21swapper/009:00:140
111391230,0ptp4l0-21swapper/008:55:010
111391230,0ptp4l0-21swapper/008:42:250
111391230,0ptp4l0-21swapper/008:35:180
111391230,0ptp4l0-21swapper/008:30:160
111391230,0ptp4l0-21swapper/008:24:320
111391230,0ptp4l0-21swapper/008:24:320
111391230,0ptp4l0-21swapper/008:10:180
111391230,0ptp4l0-21swapper/007:55:110
111391230,0ptp4l0-21swapper/007:35:140
111391220,2ptp4l0-21swapper/110:37:241
111391220,0ptp4l0-21swapper/711:47:307
111391220,0ptp4l0-21swapper/711:15:127
111391220,0ptp4l0-21swapper/709:25:057
111391220,0ptp4l0-21swapper/611:49:506
111391220,0ptp4l0-21swapper/611:18:366
111391220,0ptp4l0-21swapper/609:51:366
111391220,0ptp4l0-21swapper/608:40:156
111391220,0ptp4l0-21swapper/512:35:475
111391220,0ptp4l0-21swapper/512:00:115
111391220,0ptp4l0-21swapper/511:19:555
111391220,0ptp4l0-21swapper/511:11:385
111391220,0ptp4l0-21swapper/511:05:345
111391220,0ptp4l0-21swapper/511:00:035
111391220,0ptp4l0-21swapper/510:55:155
111391220,0ptp4l0-21swapper/510:55:145
111391220,0ptp4l0-21swapper/510:52:245
111391220,0ptp4l0-21swapper/509:55:185
111391220,0ptp4l0-21swapper/509:30:395
111391220,0ptp4l0-21swapper/508:05:005
111391220,0ptp4l0-21swapper/507:35:175
111391220,0ptp4l0-21swapper/410:50:024
111391220,0ptp4l0-21swapper/410:25:124
111391220,0ptp4l0-21swapper/410:15:154
111391220,0ptp4l0-21swapper/408:55:164
111391220,0ptp4l0-21swapper/408:35:014
111391220,0ptp4l0-21swapper/408:20:114
111391220,0ptp4l0-21swapper/408:20:114
111391220,0ptp4l0-21swapper/408:00:164
111391220,0ptp4l0-21swapper/407:20:144
111391220,0ptp4l0-21swapper/212:17:582
111391220,0ptp4l0-21swapper/211:46:372
111391220,0ptp4l0-21swapper/211:31:162
111391220,0ptp4l0-21swapper/209:51:342
111391220,0ptp4l0-21swapper/209:27:222
111391220,0ptp4l0-21swapper/208:50:142
111391220,0ptp4l0-21swapper/112:32:021
111391220,0ptp4l0-21swapper/112:24:221
111391220,0ptp4l0-21swapper/112:16:311
111391220,0ptp4l0-21swapper/112:10:001
111391220,0ptp4l0-21swapper/111:45:201
111391220,0ptp4l0-21swapper/111:40:141
111391220,0ptp4l0-21swapper/111:25:071
111391220,0ptp4l0-21swapper/111:18:241
111391220,0ptp4l0-21swapper/110:55:141
111391220,0ptp4l0-21swapper/110:55:141
111391220,0ptp4l0-21swapper/110:30:121
111391220,0ptp4l0-21swapper/110:25:021
111391220,0ptp4l0-21swapper/110:15:121
111391220,0ptp4l0-21swapper/109:40:221
111391220,0ptp4l0-21swapper/109:30:281
111391220,0ptp4l0-21swapper/109:22:291
111391220,0ptp4l0-21swapper/109:17:261
111391220,0ptp4l0-21swapper/108:55:141
111391220,0ptp4l0-21swapper/108:30:131
111391220,0ptp4l0-21swapper/107:35:191
111391220,0ptp4l0-21swapper/107:30:001
111391220,0ptp4l0-21swapper/107:10:171
111391220,0ptp4l0-21swapper/012:25:130
111391220,0ptp4l0-21swapper/011:19:160
111391220,0ptp4l0-21swapper/011:10:160
111391220,0ptp4l0-21swapper/010:57:080
111391220,0ptp4l0-21swapper/010:57:080
111391220,0ptp4l0-21swapper/010:15:130
111391220,0ptp4l0-21swapper/009:05:110
111391220,0ptp4l0-21swapper/008:45:100
111391210,2ptp4l2513-21sh09:52:161
111391210,0ptp4l0-21swapper/712:37:007
111391210,0ptp4l0-21swapper/712:34:037
111391210,0ptp4l0-21swapper/611:23:116
111391210,0ptp4l0-21swapper/611:07:056
111391210,0ptp4l0-21swapper/610:28:006
111391210,0ptp4l0-21swapper/609:21:446
111391210,0ptp4l0-21swapper/608:50:126
111391210,0ptp4l0-21swapper/512:31:225
111391210,0ptp4l0-21swapper/512:17:005
111391210,0ptp4l0-21swapper/512:11:405
111391210,0ptp4l0-21swapper/511:31:505
111391210,0ptp4l0-21swapper/511:25:015
111391210,0ptp4l0-21swapper/511:20:445
111391210,0ptp4l0-21swapper/510:44:525
111391210,0ptp4l0-21swapper/510:39:285
111391210,0ptp4l0-21swapper/510:13:295
111391210,0ptp4l0-21swapper/510:05:035
111391210,0ptp4l0-21swapper/510:00:175
111391210,0ptp4l0-21swapper/509:51:465
111391210,0ptp4l0-21swapper/509:25:575
111391210,0ptp4l0-21swapper/509:23:355
111391210,0ptp4l0-21swapper/509:18:025
111391210,0ptp4l0-21swapper/509:00:015
111391210,0ptp4l0-21swapper/508:30:145
111391210,0ptp4l0-21swapper/507:23:355
111391210,0ptp4l0-21swapper/507:13:325
111391210,0ptp4l0-21swapper/312:36:573
111391210,0ptp4l0-21swapper/312:34:083
111391210,0ptp4l0-21swapper/211:52:392
111391210,0ptp4l0-21swapper/211:23:082
111391210,0ptp4l0-21swapper/211:13:392
111391210,0ptp4l0-21swapper/211:07:042
111391210,0ptp4l0-21swapper/210:58:362
111391210,0ptp4l0-21swapper/210:58:362
111391210,0ptp4l0-21swapper/111:20:561
111391210,0ptp4l0-21swapper/111:12:301
111391210,0ptp4l0-21swapper/110:01:071
111391210,0ptp4l0-21swapper/109:35:241
111391210,0ptp4l0-21swapper/109:25:581
111391210,0ptp4l0-21swapper/109:12:191
111391200,0ptp4l0-21swapper/709:24:427
111391200,0ptp4l0-21swapper/612:17:596
111391200,0ptp4l0-21swapper/611:52:396
111391200,0ptp4l0-21swapper/611:10:526
111391200,0ptp4l0-21swapper/610:24:066
111391200,0ptp4l0-21swapper/512:05:305
111391200,0ptp4l0-21swapper/511:48:535
111391200,0ptp4l0-21swapper/510:47:115
111391200,0ptp4l0-21swapper/510:25:075
111391200,0ptp4l0-21swapper/507:40:155
111391200,0ptp4l0-21swapper/308:14:043
111391200,0ptp4l0-21swapper/211:43:212
111391200,0ptp4l0-21swapper/111:32:571
111391200,0ptp4l0-21swapper/111:00:531
111391200,0ptp4l0-21swapper/110:06:081
111391200,0ptp4l0-21swapper/109:56:181
111391200,0ptp4l0-21swapper/108:05:011
111391200,0ptp4l0-21swapper/107:17:221
111391190,0ptp4l0-21swapper/710:25:217
111391190,0ptp4l0-21swapper/612:08:586
111391190,0ptp4l0-21swapper/611:43:276
111391190,0ptp4l0-21swapper/509:46:045
111391190,0ptp4l0-21swapper/508:25:335
111391190,0ptp4l0-21swapper/310:25:223
111391190,0ptp4l0-21swapper/310:23:223
111391190,0ptp4l0-21swapper/210:27:542
111391190,0ptp4l0-21swapper/209:21:412
111391190,0ptp4l0-21swapper/208:21:332
111391190,0ptp4l0-21swapper/208:21:332
111391190,0ptp4l0-21swapper/110:40:021
111391190,0ptp4l0-21swapper/110:23:091
111391190,0ptp4l0-21swapper/110:10:591
111391190,0ptp4l0-21swapper/108:54:341
111391190,0ptp4l0-21swapper/108:38:471
111391190,0ptp4l0-21swapper/108:19:251
111391190,0ptp4l0-21swapper/108:19:251
111391190,0ptp4l0-21swapper/108:04:041
111391190,0ptp4l0-21swapper/107:53:521
111391190,0ptp4l0-21swapper/107:29:371
111391190,0ptp4l0-21swapper/107:21:261
52042180,0sleep30-21swapper/310:41:073
111391180,0ptp4l0-21swapper/609:42:316
111391180,0ptp4l0-21swapper/609:11:066
111391180,0ptp4l0-21swapper/509:37:595
111391180,0ptp4l0-21swapper/509:13:415
111391180,0ptp4l0-21swapper/508:05:035
111391180,0ptp4l0-21swapper/209:42:322
111391180,0ptp4l0-21swapper/110:47:061
111391180,0ptp4l0-21swapper/109:47:071
111391180,0ptp4l0-21swapper/109:03:591
111391180,0ptp4l0-21swapper/108:41:331
111391170,0ptp4l0-21swapper/610:57:586
111391170,0ptp4l0-21swapper/610:57:586
111391170,0ptp4l0-21swapper/507:59:555
111391170,0ptp4l0-21swapper/209:11:062
111391160,1ptp4l24196-21ssh10:23:242
111391160,0ptp4l0-21swapper/611:31:196
111391160,0ptp4l0-21swapper/610:19:176
111391160,0ptp4l0-21swapper/608:36:376
111391160,0ptp4l0-21swapper/508:46:245
111391160,0ptp4l0-21swapper/508:43:065
111391160,0ptp4l0-21swapper/507:16:065
111391160,0ptp4l0-21swapper/307:46:033
111391160,0ptp4l0-21swapper/208:36:372
111391160,0ptp4l0-21swapper/108:49:151
111391160,0ptp4l0-21swapper/108:26:531
111391160,0ptp4l0-21swapper/108:10:481
111391160,0ptp4l0-21swapper/107:45:081
111391150,0ptp4l0-21swapper/708:22:317
111391150,0ptp4l0-21swapper/708:22:317
111391150,0ptp4l0-21swapper/708:14:107
111391150,0ptp4l0-21swapper/707:46:117
111391150,0ptp4l0-21swapper/609:47:166
111391150,0ptp4l0-21swapper/608:21:006
111391150,0ptp4l0-21swapper/608:21:006
111391150,0ptp4l0-21swapper/608:00:506
111391150,0ptp4l0-21swapper/607:52:086
111391150,0ptp4l0-21swapper/607:48:006
111391150,0ptp4l0-21swapper/607:38:236
111391150,0ptp4l0-21swapper/607:27:066
111391150,0ptp4l0-21swapper/607:24:386
111391150,0ptp4l0-21swapper/510:23:095
111391150,0ptp4l0-21swapper/509:06:405
111391150,0ptp4l0-21swapper/508:51:085
111391150,0ptp4l0-21swapper/508:36:045
111391150,0ptp4l0-21swapper/508:15:595
111391150,0ptp4l0-21swapper/508:15:595
111391150,0ptp4l0-21swapper/508:11:585
111391150,0ptp4l0-21swapper/507:51:125
111391150,0ptp4l0-21swapper/507:45:095
111391150,0ptp4l0-21swapper/507:32:425
111391150,0ptp4l0-21swapper/507:26:555
111391150,0ptp4l0-21swapper/309:25:013
111391150,0ptp4l0-21swapper/210:19:172
111391150,0ptp4l0-21swapper/208:00:592
111391150,0ptp4l0-21swapper/207:48:012
111391150,0ptp4l0-21swapper/207:37:532
111391150,0ptp4l0-21swapper/207:27:062
111391150,0ptp4l0-21swapper/109:06:401
29042140,0sleep30-21swapper/307:55:183
1275999140,1cyclictest0-21swapper/709:45:147
12729991412,1cyclictest0-21swapper/310:15:193
111391140,0ptp4l0-21swapper/609:08:376
111391140,0ptp4l0-21swapper/608:17:386
111391140,0ptp4l0-21swapper/608:17:386
111391140,0ptp4l0-21swapper/607:44:066
111391140,0ptp4l0-21swapper/607:31:426
111391140,0ptp4l0-21swapper/308:22:313
111391140,0ptp4l0-21swapper/308:22:303
111391140,0ptp4l0-21swapper/209:47:172
111391140,0ptp4l0-21swapper/209:08:362
111391140,0ptp4l0-21swapper/208:17:382
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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