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2026-07-30 - 23:29

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 Jul 30, 2026 12:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
202302700,0sleep50-21swapper/508:55:195
231972630,0sleep10-21swapper/111:16:061
143862620,0sleep50-21swapper/507:35:175
111391610,30ptp4l0-21swapper/107:09:191
81826050,6sleep70-21swapper/707:09:507
111391600,5ptp4l0-21swapper/007:05:240
84342590,0sleep70-21swapper/712:25:097
271252570,0sleep0101ktimersoftd/008:05:000
111391560,5ptp4l0-21swapper/407:06:104
61925444,6sleep20-21swapper/207:07:442
111391530,5ptp4l0-21swapper/507:08:055
66025241,6sleep60-21swapper/607:08:126
74624837,7sleep30-21swapper/307:09:063
111391330,0ptp4l0-21swapper/012:04:540
111391320,0ptp4l0-21swapper/412:00:164
111391320,0ptp4l0-21swapper/411:10:004
111391320,0ptp4l0-21swapper/007:20:110
111391310,1ptp4l4352-21rawdev09:23:404
111391310,0ptp4l0-21swapper/010:35:120
111391300,0ptp4l0-21swapper/511:43:445
111391300,0ptp4l0-21swapper/412:12:114
111391300,0ptp4l0-21swapper/410:35:494
111391300,0ptp4l0-21swapper/410:05:094
111391300,0ptp4l0-21swapper/010:20:150
111391290,0ptp4l0-21swapper/412:17:374
111391290,0ptp4l0-21swapper/411:37:594
111391290,0ptp4l0-21swapper/411:10:084
111391290,0ptp4l0-21swapper/410:27:384
111391290,0ptp4l0-21swapper/410:02:264
111391290,0ptp4l0-21swapper/409:41:554
111391290,0ptp4l0-21swapper/409:39:224
111391290,0ptp4l0-21swapper/012:30:310
111391290,0ptp4l0-21swapper/011:44:230
111391290,0ptp4l0-21swapper/010:42:540
111391290,0ptp4l0-21swapper/009:21:310
111391290,0ptp4l0-21swapper/009:17:190
111391290,0ptp4l0-21swapper/009:00:110
111391280,7ptp4l0-21swapper/412:07:574
111391280,7ptp4l0-21swapper/412:07:574
111391280,4ptp4l0-21swapper/010:17:530
111391280,0ptp4l0-21swapper/709:57:277
111391280,0ptp4l0-21swapper/612:10:176
111391280,0ptp4l0-21swapper/412:39:284
111391280,0ptp4l0-21swapper/411:45:534
111391280,0ptp4l0-21swapper/411:18:424
111391280,0ptp4l0-21swapper/410:40:464
111391280,0ptp4l0-21swapper/410:30:194
111391280,0ptp4l0-21swapper/410:10:174
111391280,0ptp4l0-21swapper/409:47:344
111391280,0ptp4l0-21swapper/408:30:004
111391280,0ptp4l0-21swapper/110:38:291
111391280,0ptp4l0-21swapper/012:35:500
111391280,0ptp4l0-21swapper/011:53:390
111391280,0ptp4l0-21swapper/011:05:470
111391280,0ptp4l0-21swapper/010:59:500
111391280,0ptp4l0-21swapper/010:14:010
111391270,4ptp4l0-21swapper/010:31:410
111391270,0ptp4l25719-21diskmemload10:47:384
111391270,0ptp4l0-21swapper/711:33:467
111391270,0ptp4l0-21swapper/412:31:474
111391270,0ptp4l0-21swapper/412:29:094
111391270,0ptp4l0-21swapper/411:25:074
111391270,0ptp4l0-21swapper/409:56:274
111391270,0ptp4l0-21swapper/012:29:050
111391270,0ptp4l0-21swapper/011:27:510
111391270,0ptp4l0-21swapper/007:25:170
111391260,0ptp4l0-21swapper/512:39:425
111391260,0ptp4l0-21swapper/412:20:084
111391260,0ptp4l0-21swapper/411:40:154
111391260,0ptp4l0-21swapper/411:04:444
111391260,0ptp4l0-21swapper/410:58:324
111391260,0ptp4l0-21swapper/409:12:254
111391260,0ptp4l0-21swapper/408:00:114
111391260,0ptp4l0-21swapper/407:10:144
111391260,0ptp4l0-21swapper/012:16:200
111391260,0ptp4l0-21swapper/012:12:270
111391260,0ptp4l0-21swapper/011:35:470
111391260,0ptp4l0-21swapper/011:34:440
111391260,0ptp4l0-21swapper/011:23:270
111391260,0ptp4l0-21swapper/010:26:380
111391260,0ptp4l0-21swapper/009:42:050
111391260,0ptp4l0-21swapper/009:30:000
111391260,0ptp4l0-21swapper/009:29:590
111391250,2ptp4l0-21swapper/409:30:344
111391250,2ptp4l0-21swapper/409:30:344
111391250,2ptp4l0-21swapper/010:54:050
111391250,0ptp4l0-21swapper/512:20:165
111391250,0ptp4l0-21swapper/511:12:255
111391250,0ptp4l0-21swapper/411:57:094
111391250,0ptp4l0-21swapper/411:30:154
111391250,0ptp4l0-21swapper/410:22:434
111391250,0ptp4l0-21swapper/407:35:114
111391250,0ptp4l0-21swapper/407:20:194
111391250,0ptp4l0-21swapper/110:50:001
111391250,0ptp4l0-21swapper/011:47:140
111391250,0ptp4l0-21swapper/011:14:180
111391250,0ptp4l0-21swapper/010:45:110
111391250,0ptp4l0-21swapper/009:52:120
111391250,0ptp4l0-21swapper/009:36:460
111391250,0ptp4l0-21swapper/009:30:150
111391250,0ptp4l0-21swapper/009:30:140
111391250,0ptp4l0-21swapper/009:10:590
111391250,0ptp4l0-21swapper/008:30:120
111391240,1ptp4l6681-21latency_hist10:55:004
111391240,1ptp4l4575-21irqrtprio08:25:130
111391240,1ptp4l3781-21fw_conntrack07:15:000
111391240,1ptp4l29352-21latency_hist08:09:590
111391240,1ptp4l19927-21munin-run07:50:000
111391240,1ptp4l12009-21smartctl08:40:191
111391240,1ptp4l10509-21latency_hist08:40:004
111391240,0ptp4l0-21swapper/511:55:155
111391240,0ptp4l0-21swapper/511:07:335
111391240,0ptp4l0-21swapper/411:53:284
111391240,0ptp4l0-21swapper/411:20:124
111391240,0ptp4l0-21swapper/409:25:194
111391240,0ptp4l0-21swapper/409:25:194
111391240,0ptp4l0-21swapper/408:25:094
111391240,0ptp4l0-21swapper/408:20:164
111391240,0ptp4l0-21swapper/407:40:144
111391240,0ptp4l0-21swapper/309:57:303
111391240,0ptp4l0-21swapper/109:29:461
111391240,0ptp4l0-21swapper/109:29:451
111391240,0ptp4l0-21swapper/012:20:350
111391240,0ptp4l0-21swapper/011:56:180
111391240,0ptp4l0-21swapper/011:19:520
111391240,0ptp4l0-21swapper/009:58:030
111391240,0ptp4l0-21swapper/008:49:590
111391240,0ptp4l0-21swapper/007:40:160
111391240,0ptp4l0-21swapper/007:35:190
111391230,1ptp4l4597-21basename07:15:144
111391230,1ptp4l29759-21diskstats08:10:130
111391230,1ptp4l24085-21diskstats09:05:110
111391230,1ptp4l1112-21cyclictest09:31:063
111391230,1ptp4l1112-21cyclictest09:31:053
111391230,0ptp4l0-21swapper/611:15:156
111391230,0ptp4l0-21swapper/611:01:016
111391230,0ptp4l0-21swapper/511:00:205
111391230,0ptp4l0-21swapper/510:20:145
111391230,0ptp4l0-21swapper/509:40:145
111391230,0ptp4l0-21swapper/508:00:155
111391230,0ptp4l0-21swapper/507:55:115
111391230,0ptp4l0-21swapper/410:15:054
111391230,0ptp4l0-21swapper/409:50:204
111391230,0ptp4l0-21swapper/409:18:404
111391230,0ptp4l0-21swapper/409:10:004
111391230,0ptp4l0-21swapper/409:00:124
111391230,0ptp4l0-21swapper/408:55:124
111391230,0ptp4l0-21swapper/408:50:224
111391230,0ptp4l0-21swapper/408:48:584
111391230,0ptp4l0-21swapper/408:15:194
111391230,0ptp4l0-21swapper/407:55:144
111391230,0ptp4l0-21swapper/407:45:114
111391230,0ptp4l0-21swapper/407:25:114
111391230,0ptp4l0-21swapper/212:10:122
111391230,0ptp4l0-21swapper/211:15:002
111391230,0ptp4l0-21swapper/112:20:141
111391230,0ptp4l0-21swapper/112:12:391
111391230,0ptp4l0-21swapper/111:24:071
111391230,0ptp4l0-21swapper/111:00:181
111391230,0ptp4l0-21swapper/110:50:221
111391230,0ptp4l0-21swapper/110:20:121
111391230,0ptp4l0-21swapper/109:40:131
111391230,0ptp4l0-21swapper/108:49:251
111391230,0ptp4l0-21swapper/107:55:161
111391230,0ptp4l0-21swapper/012:05:120
111391230,0ptp4l0-21swapper/012:05:110
111391230,0ptp4l0-21swapper/011:00:110
111391230,0ptp4l0-21swapper/010:08:100
111391230,0ptp4l0-21swapper/010:00:160
111391230,0ptp4l0-21swapper/009:45:060
111391230,0ptp4l0-21swapper/008:55:150
111391230,0ptp4l0-21swapper/008:50:130
111391230,0ptp4l0-21swapper/008:20:110
111391230,0ptp4l0-21swapper/008:15:120
111391230,0ptp4l0-21swapper/007:30:130
111391230,0ptp4l0-21swapper/007:10:190
111391220,7ptp4l0-21swapper/108:04:351
111391220,0ptp4l0-21swapper/709:30:557
111391220,0ptp4l0-21swapper/709:30:547
111391220,0ptp4l0-21swapper/512:32:335
111391220,0ptp4l0-21swapper/512:14:325
111391220,0ptp4l0-21swapper/511:45:325
111391220,0ptp4l0-21swapper/511:31:105
111391220,0ptp4l0-21swapper/511:17:025
111391220,0ptp4l0-21swapper/510:33:065
111391220,0ptp4l0-21swapper/509:47:395
111391220,0ptp4l0-21swapper/509:25:415
111391220,0ptp4l0-21swapper/509:25:405
111391220,0ptp4l0-21swapper/509:23:005
111391220,0ptp4l0-21swapper/509:18:005
111391220,0ptp4l0-21swapper/509:11:565
111391220,0ptp4l0-21swapper/507:50:115
111391220,0ptp4l0-21swapper/507:30:105
111391220,0ptp4l0-21swapper/408:40:034
111391220,0ptp4l0-21swapper/408:10:134
111391220,0ptp4l0-21swapper/408:05:124
111391220,0ptp4l0-21swapper/407:50:004
111391220,0ptp4l0-21swapper/407:30:194
111391220,0ptp4l0-21swapper/112:38:221
111391220,0ptp4l0-21swapper/112:15:081
111391220,0ptp4l0-21swapper/111:55:191
111391220,0ptp4l0-21swapper/111:50:501
111391220,0ptp4l0-21swapper/111:46:371
111391220,0ptp4l0-21swapper/111:40:171
111391220,0ptp4l0-21swapper/111:38:371
111391220,0ptp4l0-21swapper/110:41:011
111391220,0ptp4l0-21swapper/110:15:171
111391220,0ptp4l0-21swapper/110:07:031
111391220,0ptp4l0-21swapper/109:46:351
111391220,0ptp4l0-21swapper/109:14:321
111391220,0ptp4l0-21swapper/108:10:151
111391220,0ptp4l0-21swapper/107:50:091
111391220,0ptp4l0-21swapper/008:40:010
111391220,0ptp4l0-21swapper/008:35:110
111391220,0ptp4l0-21swapper/007:55:160
111391220,0ptp4l0-21swapper/007:50:140
111391210,0ptp4l8615-21sshd10:56:111
111391210,0ptp4l0-21swapper/611:14:506
111391210,0ptp4l0-21swapper/512:28:495
111391210,0ptp4l0-21swapper/511:26:225
111391210,0ptp4l0-21swapper/511:22:485
111391210,0ptp4l0-21swapper/510:50:225
111391210,0ptp4l0-21swapper/510:42:105
111391210,0ptp4l0-21swapper/510:39:285
111391210,0ptp4l0-21swapper/510:16:195
111391210,0ptp4l0-21swapper/509:36:575
111391210,0ptp4l0-21swapper/212:36:582
111391210,0ptp4l0-21swapper/212:07:072
111391210,0ptp4l0-21swapper/212:07:062
111391210,0ptp4l0-21swapper/209:16:142
111391210,0ptp4l0-21swapper/111:31:021
111391210,0ptp4l0-21swapper/111:10:361
111391210,0ptp4l0-21swapper/111:07:351
111391210,0ptp4l0-21swapper/110:34:581
111391210,0ptp4l0-21swapper/110:25:391
111391210,0ptp4l0-21swapper/109:50:251
111391210,0ptp4l0-21swapper/109:22:541
111391210,0ptp4l0-21swapper/109:19:501
111391210,0ptp4l0-21swapper/109:02:121
111391200,0ptp4l0-21swapper/708:14:337
111391200,0ptp4l0-21swapper/611:53:516
111391200,0ptp4l0-21swapper/512:06:085
111391200,0ptp4l0-21swapper/512:06:075
111391200,0ptp4l0-21swapper/512:03:195
111391200,0ptp4l0-21swapper/511:53:345
111391200,0ptp4l0-21swapper/510:56:125
111391200,0ptp4l0-21swapper/510:47:255
111391200,0ptp4l0-21swapper/510:25:445
111391200,0ptp4l0-21swapper/510:14:565
111391200,0ptp4l0-21swapper/509:53:055
111391200,0ptp4l0-21swapper/508:40:165
111391200,0ptp4l0-21swapper/508:10:175
111391200,0ptp4l0-21swapper/507:14:175
111391200,0ptp4l0-21swapper/211:53:422
111391200,0ptp4l0-21swapper/211:15:172
111391200,0ptp4l0-21swapper/210:24:422
111391200,0ptp4l0-21swapper/208:36:032
111391200,0ptp4l0-21swapper/112:25:481
111391200,0ptp4l0-21swapper/112:01:351
111391200,0ptp4l0-21swapper/111:26:191
111391200,0ptp4l0-21swapper/110:14:481
111391200,0ptp4l0-21swapper/110:00:041
111391200,0ptp4l0-21swapper/107:23:111
111391190,2ptp4l0-21swapper/608:37:516
111391190,0ptp4l0-21swapper/612:07:116
111391190,0ptp4l0-21swapper/612:07:116
111391190,0ptp4l0-21swapper/609:16:086
111391190,0ptp4l0-21swapper/512:15:325
111391190,0ptp4l0-21swapper/510:01:355
111391190,0ptp4l0-21swapper/507:20:235
111391190,0ptp4l0-21swapper/209:27:112
111391190,0ptp4l0-21swapper/209:27:102
111391190,0ptp4l0-21swapper/208:57:502
111391190,0ptp4l0-21swapper/112:32:301
111391190,0ptp4l0-21swapper/109:36:551
111391180,0ptp4l0-21swapper/609:27:106
111391180,0ptp4l0-21swapper/609:27:096
111391180,0ptp4l0-21swapper/510:07:025
299172170,0sleep20-21swapper/208:10:142
111391170,2ptp4l0-21swapper/107:46:131
111391170,2ptp4l0-21swapper/107:13:391
111391170,0ptp4l0-21swapper/609:57:556
111391170,0ptp4l0-21swapper/609:38:166
111391170,0ptp4l0-21swapper/608:45:456
111391170,0ptp4l0-21swapper/509:57:185
111391170,0ptp4l0-21swapper/210:47:102
111391170,0ptp4l0-21swapper/209:38:132
111391170,0ptp4l0-21swapper/109:34:011
111391170,0ptp4l0-21swapper/109:34:011
111391170,0ptp4l0-21swapper/107:15:171
111391160,0ptp4l25719-21diskmemload09:57:512
111391160,0ptp4l0-21swapper/709:06:377
111391160,0ptp4l0-21swapper/609:07:006
111391160,0ptp4l0-21swapper/507:40:505
111391160,0ptp4l0-21swapper/507:26:285
111391160,0ptp4l0-21swapper/507:17:025
111391160,0ptp4l0-21swapper/311:33:443
111391160,0ptp4l0-21swapper/308:21:333
111391160,0ptp4l0-21swapper/211:00:582
111391160,0ptp4l0-21swapper/112:06:061
111391160,0ptp4l0-21swapper/112:06:061
111391160,0ptp4l0-21swapper/109:57:171
111391160,0ptp4l0-21swapper/108:57:521
111391160,0ptp4l0-21swapper/108:50:351
111391160,0ptp4l0-21swapper/108:35:411
111391160,0ptp4l0-21swapper/108:28:301
111391160,0ptp4l0-21swapper/108:17:411
111391160,0ptp4l0-21swapper/107:28:081
111391150,0ptp4l0-21swapper/608:56:136
111391150,0ptp4l0-21swapper/608:22:226
111391150,0ptp4l0-21swapper/608:19:076
111391150,0ptp4l0-21swapper/509:01:275
111391150,0ptp4l0-21swapper/508:50:365
111391150,0ptp4l0-21swapper/508:47:585
111391150,0ptp4l0-21swapper/508:36:475
111391150,0ptp4l0-21swapper/508:32:045
111391150,0ptp4l0-21swapper/508:22:535
111391150,0ptp4l0-21swapper/508:06:425
111391150,0ptp4l0-21swapper/507:45:475
111391150,0ptp4l0-21swapper/309:06:403
111391150,0ptp4l0-21swapper/212:26:532
111391150,0ptp4l0-21swapper/209:06:582
111391150,0ptp4l0-21swapper/208:45:542
111391150,0ptp4l0-21swapper/208:22:292
111391150,0ptp4l0-21swapper/108:31:531
111391150,0ptp4l0-21swapper/108:21:091
111391150,0ptp4l0-21swapper/108:06:001
111391150,0ptp4l0-21swapper/107:40:401
111391150,0ptp4l0-21swapper/107:36:471
111391150,0ptp4l0-21swapper/107:31:561
111391140,0ptp4l0-21swapper/612:36:576
111391140,0ptp4l0-21swapper/607:57:566
111391140,0ptp4l0-21swapper/508:25:365
111391140,0ptp4l0-21swapper/508:16:005
111391140,0ptp4l0-21swapper/308:14:263
111391140,0ptp4l0-21swapper/209:04:322
111391140,0ptp4l0-21swapper/208:19:042
111391140,0ptp4l0-21swapper/207:57:562
111391140,0ptp4l0-21swapper/207:27:412
116899120,1cyclictest23373-21smartctl12:00:206
117499100,9cyclictest0-21swapper/710:55:407
117499100,9cyclictest0-21swapper/710:01:367
117499100,0cyclictest0-21swapper/711:00:147
116899100,9cyclictest0-21swapper/612:23:356
116899100,9cyclictest0-21swapper/611:24:586
114099109,0cyclictest0-21swapper/212:02:122
114099109,0cyclictest0-21swapper/211:27:572
114099109,0cyclictest0-21swapper/210:41:352
114099100,9cyclictest0-21swapper/211:24:002
11749990,8cyclictest0-21swapper/712:18:027
11749990,8cyclictest0-21swapper/710:09:297
11749990,8cyclictest0-21swapper/709:50:187
11689998,0cyclictest0-21swapper/611:55:456
11689998,0cyclictest0-21swapper/611:06:536
11689998,0cyclictest0-21swapper/610:15:586
11689990,0cyclictest0-21swapper/610:24:176
11689990,0cyclictest0-21swapper/609:13:356
11609998,0cyclictest0-21swapper/511:38:455
11609998,0cyclictest0-21swapper/509:32:055
11609998,0cyclictest0-21swapper/509:32:045
11479990,8cyclictest0-21swapper/311:06:413
11479990,8cyclictest0-21swapper/310:57:043
11479990,8cyclictest0-21swapper/309:29:053
11479990,8cyclictest0-21swapper/309:29:043
11409998,0cyclictest0-21swapper/211:44:462
11409998,0cyclictest0-21swapper/210:02:462
11409990,0cyclictest0-21swapper/212:15:432
10008290,0sleep30-21swapper/312:25:363
18819180,0phc2sys0-21swapper/208:02:142
11749987,0cyclictest0-21swapper/712:37:587
11749987,0cyclictest0-21swapper/712:22:457
11749987,0cyclictest0-21swapper/711:45:117
11749987,0cyclictest0-21swapper/711:27:267
11749987,0cyclictest0-21swapper/711:18:467
11749987,0cyclictest0-21swapper/710:42:387
11749987,0cyclictest0-21swapper/710:34:187
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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