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2026-07-07 - 00:04

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 Mon Jul 06, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20982700,0sleep30-21swapper/309:38:513
111391610,5ptp4l0-21swapper/107:07:491
1881916050,6phc2sys0-21swapper/207:05:542
111391590,28ptp4l0-21swapper/007:05:370
111391580,5ptp4l0-21swapper/407:06:124
2037625332,6sleep50-21swapper/507:07:155
2053325140,6sleep70-21swapper/707:09:187
1881915132,9phc2sys0-21swapper/607:09:236
2031025039,7sleep30-21swapper/307:06:263
111391350,4ptp4l0-21swapper/510:00:135
111391340,0ptp4l0-21swapper/410:25:174
111391340,0ptp4l0-21swapper/011:46:040
111391330,0ptp4l0-21swapper/508:45:185
111391320,2ptp4l0-21swapper/009:05:140
111391320,0ptp4l0-21swapper/412:15:144
111391320,0ptp4l0-21swapper/410:47:534
111391320,0ptp4l0-21swapper/011:07:030
111391310,0ptp4l0-21swapper/012:39:320
111391310,0ptp4l0-21swapper/010:45:140
111391300,0ptp4l0-21swapper/510:34:255
111391300,0ptp4l0-21swapper/411:23:514
111391300,0ptp4l0-21swapper/409:49:244
111391300,0ptp4l0-21swapper/409:40:144
111391300,0ptp4l0-21swapper/011:40:140
111391300,0ptp4l0-21swapper/010:20:010
111391300,0ptp4l0-21swapper/009:45:470
111391300,0ptp4l0-21swapper/008:45:140
111391290,0ptp4l30839-21ssh09:33:564
111391290,0ptp4l0-21swapper/711:48:237
111391290,0ptp4l0-21swapper/509:41:165
111391290,0ptp4l0-21swapper/411:00:144
111391290,0ptp4l0-21swapper/410:44:164
111391290,0ptp4l0-21swapper/410:14:554
111391290,0ptp4l0-21swapper/409:24:414
111391290,0ptp4l0-21swapper/409:24:404
111391290,0ptp4l0-21swapper/012:09:180
111391290,0ptp4l0-21swapper/011:37:170
111391290,0ptp4l0-21swapper/011:30:040
111391290,0ptp4l0-21swapper/011:29:500
111391290,0ptp4l0-21swapper/011:03:460
111391290,0ptp4l0-21swapper/010:07:210
111391280,0ptp4l0-21swapper/412:13:104
111391280,0ptp4l0-21swapper/411:26:004
111391280,0ptp4l0-21swapper/409:25:144
111391280,0ptp4l0-21swapper/109:39:561
111391280,0ptp4l0-21swapper/012:27:560
111391280,0ptp4l0-21swapper/012:18:080
111391280,0ptp4l0-21swapper/011:21:300
111391280,0ptp4l0-21swapper/010:39:240
111391280,0ptp4l0-21swapper/010:31:010
111391270,2ptp4l0-21swapper/010:27:120
111391270,1ptp4l0-21swapper/409:10:144
111391270,0ptp4l0-21swapper/511:08:175
111391270,0ptp4l0-21swapper/510:29:255
111391270,0ptp4l0-21swapper/412:38:034
111391270,0ptp4l0-21swapper/411:48:104
111391270,0ptp4l0-21swapper/410:50:094
111391270,0ptp4l0-21swapper/410:16:084
111391270,0ptp4l0-21swapper/410:09:304
111391270,0ptp4l0-21swapper/410:04:014
111391270,0ptp4l0-21swapper/409:57:174
111391270,0ptp4l0-21swapper/312:03:093
111391270,0ptp4l0-21swapper/112:31:351
111391270,0ptp4l0-21swapper/109:53:041
111391270,0ptp4l0-21swapper/109:27:181
111391270,0ptp4l0-21swapper/012:33:390
111391270,0ptp4l0-21swapper/012:13:240
111391270,0ptp4l0-21swapper/012:02:000
111391270,0ptp4l0-21swapper/011:19:070
111391270,0ptp4l0-21swapper/011:11:090
111391270,0ptp4l0-21swapper/010:40:130
111391270,0ptp4l0-21swapper/009:59:080
111391270,0ptp4l0-21swapper/009:10:170
176262260,0sleep60-21swapper/612:05:216
111391260,4ptp4l0-21swapper/411:33:084
111391260,0ptp4l0-21swapper/712:02:487
111391260,0ptp4l0-21swapper/511:42:065
111391260,0ptp4l0-21swapper/510:48:035
111391260,0ptp4l0-21swapper/510:20:325
111391260,0ptp4l0-21swapper/510:08:325
111391260,0ptp4l0-21swapper/509:31:185
111391260,0ptp4l0-21swapper/412:04:364
111391260,0ptp4l0-21swapper/411:52:164
111391260,0ptp4l0-21swapper/409:39:544
111391260,0ptp4l0-21swapper/112:19:251
111391260,0ptp4l0-21swapper/111:45:201
111391260,0ptp4l0-21swapper/107:40:161
111391260,0ptp4l0-21swapper/010:13:090
111391260,0ptp4l0-21swapper/009:34:240
111391250,3ptp4l481ktimersoftd/410:32:444
111391250,1ptp4l3129-21hddtemp_smartct08:50:140
111391250,0ptp4l0-21swapper/512:26:315
111391250,0ptp4l0-21swapper/511:50:515
111391250,0ptp4l0-21swapper/509:45:125
111391250,0ptp4l0-21swapper/412:27:334
111391250,0ptp4l0-21swapper/411:40:344
111391250,0ptp4l0-21swapper/411:12:044
111391250,0ptp4l0-21swapper/410:38:084
111391250,0ptp4l0-21swapper/410:24:444
111391250,0ptp4l0-21swapper/408:25:134
111391250,0ptp4l0-21swapper/110:35:161
111391250,0ptp4l0-21swapper/108:15:181
111391250,0ptp4l0-21swapper/107:15:131
111391250,0ptp4l0-21swapper/011:55:150
111391250,0ptp4l0-21swapper/011:55:140
111391250,0ptp4l0-21swapper/009:43:010
111391250,0ptp4l0-21swapper/009:38:130
111391250,0ptp4l0-21swapper/009:21:100
111391250,0ptp4l0-21swapper/009:21:100
111391240,1ptp4l32667-21ksmtuned11:43:531
111391240,1ptp4l2743-21cat07:40:005
111391240,0ptp4l14655-21cut09:55:115
111391240,0ptp4l0-21swapper/510:58:595
111391240,0ptp4l0-21swapper/510:36:355
111391240,0ptp4l0-21swapper/509:26:065
111391240,0ptp4l0-21swapper/507:40:195
111391240,0ptp4l0-21swapper/412:20:114
111391240,0ptp4l0-21swapper/411:55:124
111391240,0ptp4l0-21swapper/411:55:124
111391240,0ptp4l0-21swapper/411:35:174
111391240,0ptp4l0-21swapper/411:05:154
111391240,0ptp4l0-21swapper/408:50:024
111391240,0ptp4l0-21swapper/408:45:134
111391240,0ptp4l0-21swapper/407:55:184
111391240,0ptp4l0-21swapper/407:45:134
111391240,0ptp4l0-21swapper/309:15:163
111391240,0ptp4l0-21swapper/309:15:153
111391240,0ptp4l0-21swapper/110:26:141
111391240,0ptp4l0-21swapper/110:11:471
111391240,0ptp4l0-21swapper/109:10:131
111391240,0ptp4l0-21swapper/012:22:210
111391240,0ptp4l0-21swapper/011:53:400
111391240,0ptp4l0-21swapper/010:52:010
111391240,0ptp4l0-21swapper/010:04:370
111391240,0ptp4l0-21swapper/009:54:080
111391230,2ptp4l17844-21sh09:15:411
111391230,2ptp4l17844-21sh09:15:401
111391230,2ptp4l0-21swapper/010:19:370
111391230,1ptp4l30454-21ssh09:33:001
111391230,1ptp4l23968-21ssh10:05:351
111391230,1ptp4l16694-21sed08:10:000
111391230,1ptp4l14212-21munin-run11:20:005
111391230,1ptp4l13997-21ssh09:11:095
111391230,1ptp4l13684-21unixbench_multi08:00:190
111391230,1ptp4l11618-21diskmemload10:59:011
111391230,0ptp4l0-21swapper/712:10:207
111391230,0ptp4l0-21swapper/611:21:516
111391230,0ptp4l0-21swapper/609:10:016
111391230,0ptp4l0-21swapper/512:37:245
111391230,0ptp4l0-21swapper/512:20:135
111391230,0ptp4l0-21swapper/512:19:445
111391230,0ptp4l0-21swapper/512:01:275
111391230,0ptp4l0-21swapper/511:12:395
111391230,0ptp4l0-21swapper/511:02:355
111391230,0ptp4l0-21swapper/509:52:255
111391230,0ptp4l0-21swapper/509:15:235
111391230,0ptp4l0-21swapper/509:15:235
111391230,0ptp4l0-21swapper/508:40:135
111391230,0ptp4l0-21swapper/507:31:555
111391230,0ptp4l0-21swapper/507:25:195
111391230,0ptp4l0-21swapper/507:20:105
111391230,0ptp4l0-21swapper/507:15:155
111391230,0ptp4l0-21swapper/412:32:214
111391230,0ptp4l0-21swapper/412:05:074
111391230,0ptp4l0-21swapper/411:15:174
111391230,0ptp4l0-21swapper/410:55:144
111391230,0ptp4l0-21swapper/409:50:114
111391230,0ptp4l0-21swapper/409:16:024
111391230,0ptp4l0-21swapper/409:16:014
111391230,0ptp4l0-21swapper/409:05:124
111391230,0ptp4l0-21swapper/408:20:144
111391230,0ptp4l0-21swapper/209:47:482
111391230,0ptp4l0-21swapper/112:26:581
111391230,0ptp4l0-21swapper/112:20:161
111391230,0ptp4l0-21swapper/112:06:151
111391230,0ptp4l0-21swapper/111:31:491
111391230,0ptp4l0-21swapper/110:20:141
111391230,0ptp4l0-21swapper/109:42:081
111391230,0ptp4l0-21swapper/108:40:111
111391230,0ptp4l0-21swapper/107:25:151
111391230,0ptp4l0-21swapper/107:25:001
111391230,0ptp4l0-21swapper/010:55:130
111391230,0ptp4l0-21swapper/008:55:160
111391230,0ptp4l0-21swapper/008:30:150
111391230,0ptp4l0-21swapper/008:25:160
111391230,0ptp4l0-21swapper/008:20:150
111391230,0ptp4l0-21swapper/008:00:000
111391230,0ptp4l0-21swapper/007:35:130
111391230,0ptp4l0-21swapper/007:18:200
111391230,0ptp4l0-21swapper/007:10:200
111391220,2ptp4l0-21swapper/507:51:425
111391220,2ptp4l0-21swapper/507:13:235
111391220,0ptp4l0-21swapper/709:14:597
111391220,0ptp4l0-21swapper/612:19:476
111391220,0ptp4l0-21swapper/610:07:276
111391220,0ptp4l0-21swapper/512:05:525
111391220,0ptp4l0-21swapper/511:45:175
111391220,0ptp4l0-21swapper/511:38:085
111391220,0ptp4l0-21swapper/511:34:535
111391220,0ptp4l0-21swapper/510:51:505
111391220,0ptp4l0-21swapper/510:41:135
111391220,0ptp4l0-21swapper/510:17:075
111391220,0ptp4l0-21swapper/510:13:235
111391220,0ptp4l0-21swapper/509:37:115
111391220,0ptp4l0-21swapper/508:52:385
111391220,0ptp4l0-21swapper/508:35:135
111391220,0ptp4l0-21swapper/508:28:475
111391220,0ptp4l0-21swapper/508:15:155
111391220,0ptp4l0-21swapper/508:14:595
111391220,0ptp4l0-21swapper/508:02:345
111391220,0ptp4l0-21swapper/409:02:144
111391220,0ptp4l0-21swapper/408:55:134
111391220,0ptp4l0-21swapper/408:42:234
111391220,0ptp4l0-21swapper/408:05:154
111391220,0ptp4l0-21swapper/408:00:114
111391220,0ptp4l0-21swapper/407:50:144
111391220,0ptp4l0-21swapper/407:35:134
111391220,0ptp4l0-21swapper/407:10:124
111391220,0ptp4l0-21swapper/312:10:133
111391220,0ptp4l0-21swapper/310:30:023
111391220,0ptp4l0-21swapper/211:06:032
111391220,0ptp4l0-21swapper/210:07:322
111391220,0ptp4l0-21swapper/112:35:121
111391220,0ptp4l0-21swapper/112:00:031
111391220,0ptp4l0-21swapper/111:59:531
111391220,0ptp4l0-21swapper/111:59:531
111391220,0ptp4l0-21swapper/111:37:591
111391220,0ptp4l0-21swapper/111:19:351
111391220,0ptp4l0-21swapper/111:12:141
111391220,0ptp4l0-21swapper/111:08:591
111391220,0ptp4l0-21swapper/111:00:191
111391220,0ptp4l0-21swapper/110:46:051
111391220,0ptp4l0-21swapper/110:40:061
111391220,0ptp4l0-21swapper/110:30:201
111391220,0ptp4l0-21swapper/110:15:191
111391220,0ptp4l0-21swapper/110:00:101
111391220,0ptp4l0-21swapper/109:55:011
111391220,0ptp4l0-21swapper/109:48:561
111391220,0ptp4l0-21swapper/108:35:151
111391220,0ptp4l0-21swapper/108:35:001
111391220,0ptp4l0-21swapper/009:25:130
111391220,0ptp4l0-21swapper/009:18:130
111391220,0ptp4l0-21swapper/009:18:120
111391220,0ptp4l0-21swapper/009:00:120
111391220,0ptp4l0-21swapper/008:40:200
111391220,0ptp4l0-21swapper/008:10:120
111391220,0ptp4l0-21swapper/007:50:130
111391220,0ptp4l0-21swapper/007:45:140
111391220,0ptp4l0-21swapper/007:30:110
111391220,0ptp4l0-21swapper/007:25:200
111391210,0ptp4l0-21swapper/710:29:587
111391210,0ptp4l0-21swapper/610:20:456
111391210,0ptp4l0-21swapper/609:47:516
111391210,0ptp4l0-21swapper/512:31:465
111391210,0ptp4l0-21swapper/511:59:175
111391210,0ptp4l0-21swapper/511:59:175
111391210,0ptp4l0-21swapper/511:26:205
111391210,0ptp4l0-21swapper/408:16:424
111391210,0ptp4l0-21swapper/408:10:184
111391210,0ptp4l0-21swapper/407:30:204
111391210,0ptp4l0-21swapper/407:19:474
111391210,0ptp4l0-21swapper/311:48:393
111391210,0ptp4l0-21swapper/211:21:512
111391210,0ptp4l0-21swapper/210:41:232
111391210,0ptp4l0-21swapper/210:14:512
111391210,0ptp4l0-21swapper/112:11:121
111391210,0ptp4l0-21swapper/111:50:501
111391210,0ptp4l0-21swapper/111:26:161
111391210,0ptp4l0-21swapper/111:24:211
111391210,0ptp4l0-21swapper/110:51:441
111391210,0ptp4l0-21swapper/109:22:391
111391210,0ptp4l0-21swapper/109:22:381
111391210,0ptp4l0-21swapper/108:45:171
111391210,0ptp4l0-21swapper/107:53:251
111391210,0ptp4l0-21swapper/107:45:151
111391210,0ptp4l0-21swapper/107:32:331
111391210,0ptp4l0-21swapper/008:38:450
111391210,0ptp4l0-21swapper/007:43:330
111391200,0ptp4l0-21swapper/610:51:236
111391200,0ptp4l0-21swapper/610:45:096
111391200,0ptp4l0-21swapper/610:10:296
111391200,0ptp4l0-21swapper/512:11:095
111391200,0ptp4l0-21swapper/509:22:335
111391200,0ptp4l0-21swapper/509:22:325
111391200,0ptp4l0-21swapper/509:03:545
111391200,0ptp4l0-21swapper/508:58:155
111391200,0ptp4l0-21swapper/507:55:485
111391200,0ptp4l0-21swapper/407:29:574
111391200,0ptp4l0-21swapper/407:23:514
111391200,0ptp4l0-21swapper/309:14:593
111391200,0ptp4l0-21swapper/210:51:242
111391200,0ptp4l0-21swapper/209:23:492
111391200,0ptp4l0-21swapper/209:23:482
111391200,0ptp4l0-21swapper/107:58:491
111391200,0ptp4l0-21swapper/107:39:541
111391200,0ptp4l0-21swapper/107:13:481
111391190,0ptp4l0-21swapper/709:15:147
111391190,0ptp4l0-21swapper/709:15:147
111391190,0ptp4l0-21swapper/611:06:066
111391190,0ptp4l0-21swapper/408:39:154
111391190,0ptp4l0-21swapper/308:22:503
111391190,0ptp4l0-21swapper/210:57:072
111391190,0ptp4l0-21swapper/210:20:452
111391190,0ptp4l0-21swapper/208:03:412
111391190,0ptp4l0-21swapper/207:34:232
111391190,0ptp4l0-21swapper/008:15:020
111391190,0ptp4l0-21swapper/007:23:320
111391180,0ptp4l0-21swapper/610:57:066
111391180,0ptp4l0-21swapper/511:22:055
111391180,0ptp4l0-21swapper/508:32:475
111391180,0ptp4l0-21swapper/408:30:144
111391180,0ptp4l0-21swapper/407:44:024
111391180,0ptp4l0-21swapper/210:45:092
111391180,0ptp4l0-21swapper/210:36:552
111391180,0ptp4l0-21swapper/209:36:462
111391180,0ptp4l0-21swapper/209:00:322
111391180,0ptp4l0-21swapper/108:55:501
111391180,0ptp4l0-21swapper/108:14:541
111391180,0ptp4l0-21swapper/108:04:481
111391170,0ptp4l0-21swapper/610:41:246
111391170,0ptp4l0-21swapper/609:26:286
111391170,0ptp4l0-21swapper/108:50:241
111391160,1ptp4l11618-21diskmemload09:23:496
111391160,1ptp4l11618-21diskmemload09:23:496
111391160,1ptp4l0-21swapper/508:06:405
111391160,0ptp4l0-21swapper/708:22:507
111391160,0ptp4l0-21swapper/212:19:452
111391160,0ptp4l0-21swapper/209:26:292
111391160,0ptp4l0-21swapper/209:10:012
111391160,0ptp4l0-21swapper/108:06:271
30382150,0sleep20-21swapper/208:50:122
111391150,0ptp4l0-21swapper/612:03:576
111391150,0ptp4l0-21swapper/611:50:026
111391150,0ptp4l0-21swapper/610:36:546
111391150,0ptp4l0-21swapper/609:10:026
111391150,0ptp4l0-21swapper/609:00:386
111391150,0ptp4l0-21swapper/608:50:446
111391150,0ptp4l0-21swapper/608:03:466
111391150,0ptp4l0-21swapper/509:06:375
111391150,0ptp4l0-21swapper/508:24:595
111391150,0ptp4l0-21swapper/507:46:035
111391150,0ptp4l0-21swapper/211:50:032
111391150,0ptp4l0-21swapper/109:06:341
111391150,0ptp4l0-21swapper/109:02:461
111391150,0ptp4l0-21swapper/108:25:021
111391150,0ptp4l0-21swapper/108:23:251
2090899140,1cyclictest0-21swapper/710:20:147
2090899140,0cyclictest0-21swapper/708:40:147
111391140,0ptp4l0-21swapper/611:46:586
111391140,0ptp4l0-21swapper/609:36:486
111391140,0ptp4l0-21swapper/608:17:036
111391140,0ptp4l0-21swapper/607:57:186
111391140,0ptp4l0-21swapper/607:34:256
111391140,0ptp4l0-21swapper/607:23:186
111391140,0ptp4l0-21swapper/310:29:583
111391140,0ptp4l0-21swapper/209:10:002
111391140,0ptp4l0-21swapper/208:40:412
111391140,0ptp4l0-21swapper/208:30:522
111391140,0ptp4l0-21swapper/208:17:052
111391140,0ptp4l0-21swapper/207:57:172
111391140,0ptp4l0-21swapper/207:29:182
111391140,0ptp4l0-21swapper/207:23:152
111391140,0ptp4l0-21swapper/207:15:542
2090899130,1cyclictest0-21swapper/709:50:157
84742120,0sleep60-21swapper/607:50:176
2090099119,1cyclictest24248-21fw_forwarded_lo07:15:136
2087999110,10cyclictest0-21swapper/311:35:543
2090899109,0cyclictest0-21swapper/712:19:197
2090899109,0cyclictest0-21swapper/710:57:367
2090899109,0cyclictest0-21swapper/710:53:407
2090899108,1cyclictest0-21swapper/712:39:077
2090899100,9cyclictest0-21swapper/711:21:397
2090899100,0cyclictest0-21swapper/712:25:187
2090899100,0cyclictest0-21swapper/711:50:067
2090899100,0cyclictest0-21swapper/711:36:067
2090899100,0cyclictest0-21swapper/711:17:247
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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