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2026-08-23 - 23:51

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 Aug 23, 2026 12:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140292650,1sleep773-21ksoftirqd/709:10:217
111391640,4ptp4l0-21swapper/407:06:554
111391630,5ptp4l0-21swapper/007:09:520
79802620,0sleep10-21swapper/111:20:161
2113026050,6sleep20-21swapper/207:08:432
1881915836,7phc2sys0-21swapper/707:09:167
2096125433,6sleep60-21swapper/607:06:306
2107424937,7sleep10-21swapper/107:08:021
2122624836,7sleep30-21swapper/307:09:553
2097824735,7sleep50-21swapper/507:06:465
111391370,0ptp4l5471-21hddtemp_smartct09:45:140
111391340,0ptp4l0-21swapper/409:38:104
111391330,4ptp4l0-21swapper/409:33:064
111391330,0ptp4l0-21swapper/009:28:180
111391320,0ptp4l0-21swapper/411:18:564
111391320,0ptp4l0-21swapper/411:09:134
111391320,0ptp4l0-21swapper/009:13:100
111391320,0ptp4l0-21swapper/007:50:170
111391310,0ptp4l0-21swapper/612:07:456
111391310,0ptp4l0-21swapper/409:25:554
111391310,0ptp4l0-21swapper/409:11:114
111391310,0ptp4l0-21swapper/011:57:330
111391310,0ptp4l0-21swapper/011:07:020
111391310,0ptp4l0-21swapper/009:57:210
111391310,0ptp4l0-21swapper/009:57:210
111391310,0ptp4l0-21swapper/009:39:170
111391300,3ptp4l0-21swapper/410:42:384
111391300,3ptp4l0-21swapper/010:59:310
111391300,0ptp4l0-21swapper/411:27:544
111391300,0ptp4l0-21swapper/012:08:140
111391300,0ptp4l0-21swapper/011:45:480
111391290,0ptp4l0-21swapper/412:33:074
111391290,0ptp4l0-21swapper/411:44:084
111391290,0ptp4l0-21swapper/410:19:164
111391290,0ptp4l0-21swapper/410:02:404
111391290,0ptp4l0-21swapper/409:57:254
111391290,0ptp4l0-21swapper/409:57:244
111391290,0ptp4l0-21swapper/409:50:514
111391290,0ptp4l0-21swapper/409:19:144
111391290,0ptp4l0-21swapper/012:21:130
111391290,0ptp4l0-21swapper/011:27:190
111391290,0ptp4l0-21swapper/011:23:190
111391290,0ptp4l0-21swapper/010:37:110
111391290,0ptp4l0-21swapper/010:22:100
111391280,4ptp4l0-21swapper/012:12:510
111391280,2ptp4l0-21swapper/310:40:133
111391280,1ptp4l26534-21ptp4l-jitter11:00:190
111391280,0ptp4l0-21swapper/412:38:074
111391280,0ptp4l0-21swapper/412:38:064
111391280,0ptp4l0-21swapper/409:23:454
111391280,0ptp4l0-21swapper/012:31:570
111391280,0ptp4l0-21swapper/011:36:120
111391280,0ptp4l0-21swapper/010:32:300
111391280,0ptp4l0-21swapper/010:15:170
111391280,0ptp4l0-21swapper/009:22:210
111391280,0ptp4l0-21swapper/009:18:480
111391280,0ptp4l0-21swapper/007:16:120
111391280,0ptp4l0-21swapper/007:16:120
111391270,0ptp4l0-21swapper/508:04:555
111391270,0ptp4l0-21swapper/412:29:524
111391270,0ptp4l0-21swapper/412:22:354
111391270,0ptp4l0-21swapper/411:48:264
111391270,0ptp4l0-21swapper/411:37:514
111391270,0ptp4l0-21swapper/410:10:294
111391270,0ptp4l0-21swapper/409:49:074
111391270,0ptp4l0-21swapper/012:26:370
111391270,0ptp4l0-21swapper/007:40:460
111391260,0ptp4l0-21swapper/412:00:034
111391260,0ptp4l0-21swapper/410:38:274
111391260,0ptp4l0-21swapper/012:01:280
111391260,0ptp4l0-21swapper/011:16:160
111391260,0ptp4l0-21swapper/009:42:190
111391260,0ptp4l0-21swapper/008:00:270
111391250,3ptp4l0-21swapper/407:53:024
111391250,1ptp4l5011-21/usr/sbin/munin08:50:214
111391250,1ptp4l29537-21users11:50:194
111391250,1ptp4l20046-21fw_conntrack08:15:144
111391250,0ptp4l0-21swapper/410:30:134
111391250,0ptp4l0-21swapper/410:21:434
111391250,0ptp4l0-21swapper/409:08:224
111391250,0ptp4l0-21swapper/408:40:124
111391250,0ptp4l0-21swapper/408:25:524
111391250,0ptp4l0-21swapper/408:22:184
111391250,0ptp4l0-21swapper/407:45:124
111391250,0ptp4l0-21swapper/407:12:324
111391250,0ptp4l0-21swapper/407:12:314
111391250,0ptp4l0-21swapper/110:50:131
111391250,0ptp4l0-21swapper/107:15:181
111391250,0ptp4l0-21swapper/107:15:171
111391250,0ptp4l0-21swapper/012:19:470
111391250,0ptp4l0-21swapper/011:32:280
111391250,0ptp4l0-21swapper/010:46:360
111391250,0ptp4l0-21swapper/010:41:480
111391250,0ptp4l0-21swapper/010:03:450
111391250,0ptp4l0-21swapper/009:52:050
111391250,0ptp4l0-21swapper/009:01:360
111391250,0ptp4l0-21swapper/008:40:160
111391250,0ptp4l0-21swapper/008:38:450
111391250,0ptp4l0-21swapper/008:20:210
111391250,0ptp4l0-21swapper/008:05:170
111391240,1ptp4l4278-21date10:30:004
111391240,1ptp4l18213-21latency08:10:164
111391240,0ptp4l0-21swapper/508:45:005
111391240,0ptp4l0-21swapper/507:15:015
111391240,0ptp4l0-21swapper/507:15:005
111391240,0ptp4l0-21swapper/412:10:204
111391240,0ptp4l0-21swapper/412:06:224
111391240,0ptp4l0-21swapper/411:57:454
111391240,0ptp4l0-21swapper/411:23:514
111391240,0ptp4l0-21swapper/410:05:214
111391240,0ptp4l0-21swapper/408:45:494
111391240,0ptp4l0-21swapper/407:58:284
111391240,0ptp4l0-21swapper/407:35:134
111391240,0ptp4l0-21swapper/210:42:552
111391240,0ptp4l0-21swapper/110:35:011
111391240,0ptp4l0-21swapper/012:36:560
111391240,0ptp4l0-21swapper/012:36:560
111391240,0ptp4l0-21swapper/011:10:110
111391240,0ptp4l0-21swapper/010:10:120
111391240,0ptp4l0-21swapper/010:08:470
111391240,0ptp4l0-21swapper/009:30:530
111391240,0ptp4l0-21swapper/009:05:150
111391240,0ptp4l0-21swapper/008:57:550
111391240,0ptp4l0-21swapper/008:45:160
111391240,0ptp4l0-21swapper/007:36:090
111391240,0ptp4l0-21swapper/007:10:300
111391240,0ptp4l0-21swapper/007:10:290
111391230,1ptp4l11160-21ps11:25:155
111391230,0ptp4l0-21swapper/710:40:187
111391230,0ptp4l0-21swapper/709:35:167
111391230,0ptp4l0-21swapper/607:22:596
111391230,0ptp4l0-21swapper/510:05:155
111391230,0ptp4l0-21swapper/510:01:355
111391230,0ptp4l0-21swapper/508:35:195
111391230,0ptp4l0-21swapper/508:09:545
111391230,0ptp4l0-21swapper/507:21:445
111391230,0ptp4l0-21swapper/507:15:165
111391230,0ptp4l0-21swapper/507:15:165
111391230,0ptp4l0-21swapper/411:33:124
111391230,0ptp4l0-21swapper/411:10:134
111391230,0ptp4l0-21swapper/410:45:134
111391230,0ptp4l0-21swapper/409:00:134
111391230,0ptp4l0-21swapper/408:38:054
111391230,0ptp4l0-21swapper/408:05:154
111391230,0ptp4l0-21swapper/408:00:134
111391230,0ptp4l0-21swapper/407:30:144
111391230,0ptp4l0-21swapper/308:55:163
111391230,0ptp4l0-21swapper/210:00:162
111391230,0ptp4l0-21swapper/208:25:122
111391230,0ptp4l0-21swapper/111:25:141
111391230,0ptp4l0-21swapper/110:55:161
111391230,0ptp4l0-21swapper/109:17:291
111391230,0ptp4l0-21swapper/108:55:131
111391230,0ptp4l0-21swapper/108:45:211
111391230,0ptp4l0-21swapper/107:40:161
111391230,0ptp4l0-21swapper/107:20:151
111391230,0ptp4l0-21swapper/011:40:120
111391230,0ptp4l0-21swapper/010:25:140
111391230,0ptp4l0-21swapper/008:54:200
111391230,0ptp4l0-21swapper/008:11:550
111391230,0ptp4l0-21swapper/007:45:150
111391230,0ptp4l0-21swapper/007:30:210
111391220,0ptp4l0-21swapper/712:29:197
111391220,0ptp4l0-21swapper/710:51:327
111391220,0ptp4l0-21swapper/709:27:487
111391220,0ptp4l0-21swapper/708:55:177
111391220,0ptp4l0-21swapper/608:25:146
111391220,0ptp4l0-21swapper/512:27:175
111391220,0ptp4l0-21swapper/511:50:135
111391220,0ptp4l0-21swapper/511:49:335
111391220,0ptp4l0-21swapper/511:39:255
111391220,0ptp4l0-21swapper/511:05:135
111391220,0ptp4l0-21swapper/511:04:555
111391220,0ptp4l0-21swapper/510:55:185
111391220,0ptp4l0-21swapper/510:50:185
111391220,0ptp4l0-21swapper/510:46:335
111391220,0ptp4l0-21swapper/510:35:215
111391220,0ptp4l0-21swapper/510:23:315
111391220,0ptp4l0-21swapper/509:54:385
111391220,0ptp4l0-21swapper/509:43:495
111391220,0ptp4l0-21swapper/509:25:205
111391220,0ptp4l0-21swapper/509:20:205
111391220,0ptp4l0-21swapper/508:30:135
111391220,0ptp4l0-21swapper/508:13:075
111391220,0ptp4l0-21swapper/507:52:415
111391220,0ptp4l0-21swapper/507:40:195
111391220,0ptp4l0-21swapper/412:15:004
111391220,0ptp4l0-21swapper/411:00:164
111391220,0ptp4l0-21swapper/410:55:124
111391220,0ptp4l0-21swapper/410:50:214
111391220,0ptp4l0-21swapper/409:40:154
111391220,0ptp4l0-21swapper/408:55:164
111391220,0ptp4l0-21swapper/408:30:014
111391220,0ptp4l0-21swapper/407:40:114
111391220,0ptp4l0-21swapper/407:25:154
111391220,0ptp4l0-21swapper/312:00:213
111391220,0ptp4l0-21swapper/311:20:223
111391220,0ptp4l0-21swapper/311:15:533
111391220,0ptp4l0-21swapper/309:35:073
111391220,0ptp4l0-21swapper/212:05:212
111391220,0ptp4l0-21swapper/209:54:422
111391220,0ptp4l0-21swapper/207:10:122
111391220,0ptp4l0-21swapper/207:10:112
111391220,0ptp4l0-21swapper/112:23:251
111391220,0ptp4l0-21swapper/112:07:151
111391220,0ptp4l0-21swapper/111:58:141
111391220,0ptp4l0-21swapper/111:51:591
111391220,0ptp4l0-21swapper/111:49:451
111391220,0ptp4l0-21swapper/111:32:091
111391220,0ptp4l0-21swapper/111:01:011
111391220,0ptp4l0-21swapper/110:41:111
111391220,0ptp4l0-21swapper/110:35:141
111391220,0ptp4l0-21swapper/110:27:181
111391220,0ptp4l0-21swapper/110:05:061
111391220,0ptp4l0-21swapper/110:00:511
111391220,0ptp4l0-21swapper/109:53:211
111391220,0ptp4l0-21swapper/109:49:281
111391220,0ptp4l0-21swapper/109:20:591
111391220,0ptp4l0-21swapper/109:10:041
111391220,0ptp4l0-21swapper/109:05:011
111391220,0ptp4l0-21swapper/108:50:131
111391220,0ptp4l0-21swapper/108:35:171
111391220,0ptp4l0-21swapper/108:30:131
111391220,0ptp4l0-21swapper/108:20:001
111391220,0ptp4l0-21swapper/011:50:450
111391220,0ptp4l0-21swapper/010:51:030
111391220,0ptp4l0-21swapper/008:30:210
111391220,0ptp4l0-21swapper/008:28:430
111391220,0ptp4l0-21swapper/008:15:220
111391220,0ptp4l0-21swapper/007:25:160
111391220,0ptp4l0-21swapper/007:22:380
111391210,0ptp4l0-21swapper/712:00:177
111391210,0ptp4l0-21swapper/711:20:597
111391210,0ptp4l0-21swapper/711:14:407
111391210,0ptp4l0-21swapper/612:18:566
111391210,0ptp4l0-21swapper/611:28:536
111391210,0ptp4l0-21swapper/611:11:556
111391210,0ptp4l0-21swapper/609:34:006
111391210,0ptp4l0-21swapper/607:10:126
111391210,0ptp4l0-21swapper/607:10:126
111391210,0ptp4l0-21swapper/512:33:215
111391210,0ptp4l0-21swapper/512:01:545
111391210,0ptp4l0-21swapper/511:56:425
111391210,0ptp4l0-21swapper/511:41:375
111391210,0ptp4l0-21swapper/511:23:305
111391210,0ptp4l0-21swapper/511:11:295
111391210,0ptp4l0-21swapper/510:40:555
111391210,0ptp4l0-21swapper/510:26:085
111391210,0ptp4l0-21swapper/509:38:325
111391210,0ptp4l0-21swapper/509:30:095
111391210,0ptp4l0-21swapper/311:14:423
111391210,0ptp4l0-21swapper/310:51:363
111391210,0ptp4l0-21swapper/309:27:433
111391210,0ptp4l0-21swapper/211:37:392
111391210,0ptp4l0-21swapper/210:31:442
111391210,0ptp4l0-21swapper/112:28:141
111391210,0ptp4l0-21swapper/112:16:281
111391210,0ptp4l0-21swapper/112:02:161
111391210,0ptp4l0-21swapper/111:40:011
111391210,0ptp4l0-21swapper/111:39:571
111391210,0ptp4l0-21swapper/111:11:271
111391210,0ptp4l0-21swapper/111:05:111
111391210,0ptp4l0-21swapper/110:23:281
111391210,0ptp4l0-21swapper/110:16:091
111391210,0ptp4l0-21swapper/109:56:191
111391210,0ptp4l0-21swapper/109:56:181
111391210,0ptp4l0-21swapper/109:43:451
111391210,0ptp4l0-21swapper/109:36:381
111391210,0ptp4l0-21swapper/109:29:131
111391210,0ptp4l0-21swapper/007:55:170
111391200,1ptp4l33-21ksoftirqd/212:18:542
111391200,1ptp4l19239-21ksmtuned08:13:161
111391200,0ptp4l0-21swapper/611:34:176
111391200,0ptp4l0-21swapper/512:36:065
111391200,0ptp4l0-21swapper/512:36:065
111391200,0ptp4l0-21swapper/512:10:045
111391200,0ptp4l0-21swapper/512:08:135
111391200,0ptp4l0-21swapper/511:34:535
111391200,0ptp4l0-21swapper/509:56:175
111391200,0ptp4l0-21swapper/509:56:165
111391200,0ptp4l0-21swapper/509:48:065
111391200,0ptp4l0-21swapper/508:49:545
111391200,0ptp4l0-21swapper/312:29:233
111391200,0ptp4l0-21swapper/309:32:393
111391200,0ptp4l0-21swapper/211:34:202
111391200,0ptp4l0-21swapper/211:27:142
111391200,0ptp4l0-21swapper/209:48:172
111391200,0ptp4l0-21swapper/112:36:051
111391200,0ptp4l0-21swapper/112:36:051
111391200,0ptp4l0-21swapper/110:48:091
111391200,0ptp4l0-21swapper/110:11:061
111391200,0ptp4l0-21swapper/109:30:071
111391190,0ptp4l0-21swapper/711:15:537
111391190,0ptp4l0-21swapper/709:32:477
111391190,0ptp4l0-21swapper/611:23:276
111391190,0ptp4l0-21swapper/611:04:136
111391190,0ptp4l0-21swapper/610:02:526
111391190,0ptp4l0-21swapper/609:22:456
111391190,0ptp4l0-21swapper/512:23:395
111391190,0ptp4l0-21swapper/512:16:295
111391190,0ptp4l0-21swapper/510:33:115
111391190,0ptp4l0-21swapper/510:15:575
111391190,0ptp4l0-21swapper/510:11:095
111391190,0ptp4l0-21swapper/509:13:395
111391190,0ptp4l0-21swapper/507:58:165
111391190,0ptp4l0-21swapper/212:14:052
111391190,0ptp4l0-21swapper/210:14:152
111391190,0ptp4l0-21swapper/209:57:332
111391190,0ptp4l0-21swapper/209:57:322
111391190,0ptp4l0-21swapper/209:26:402
111391190,0ptp4l0-21swapper/209:20:372
111391190,0ptp4l0-21swapper/112:33:181
111391180,0ptp4l0-21swapper/610:42:576
111391180,0ptp4l0-21swapper/610:31:446
111391180,0ptp4l0-21swapper/610:14:156
111391180,0ptp4l0-21swapper/509:16:055
111391180,0ptp4l0-21swapper/507:26:555
111391180,0ptp4l0-21swapper/407:16:374
111391180,0ptp4l0-21swapper/407:16:364
111391180,0ptp4l0-21swapper/212:31:542
111391180,0ptp4l0-21swapper/211:11:542
111391180,0ptp4l0-21swapper/209:34:002
111391180,0ptp4l0-21swapper/112:14:031
111391170,0ptp4l0-21swapper/611:57:136
111391170,0ptp4l0-21swapper/109:02:371
111391170,0ptp4l0-21swapper/107:36:511
111391160,0ptp4l0-21swapper/609:48:236
111391160,0ptp4l0-21swapper/509:03:395
111391160,0ptp4l0-21swapper/508:54:015
111391160,0ptp4l0-21swapper/507:46:375
111391160,0ptp4l0-21swapper/507:37:075
111391160,0ptp4l0-21swapper/407:20:334
111391160,0ptp4l0-21swapper/108:23:161
111391160,0ptp4l0-21swapper/108:09:041
111391160,0ptp4l0-21swapper/108:02:411
111391160,0ptp4l0-21swapper/107:52:031
111391160,0ptp4l0-21swapper/107:47:251
276982150,0sleep20-21swapper/208:30:182
111391150,0ptp4l0-21swapper/612:31:526
111391150,0ptp4l0-21swapper/609:54:426
111391150,0ptp4l0-21swapper/609:41:116
111391150,0ptp4l0-21swapper/609:19:126
111391150,0ptp4l0-21swapper/609:01:286
111391150,0ptp4l0-21swapper/608:56:586
111391150,0ptp4l0-21swapper/608:54:566
111391150,0ptp4l0-21swapper/608:35:406
111391150,0ptp4l0-21swapper/608:17:226
111391150,0ptp4l0-21swapper/607:53:146
111391150,0ptp4l0-21swapper/607:49:476
111391150,0ptp4l0-21swapper/607:15:476
111391150,0ptp4l0-21swapper/607:15:466
111391150,0ptp4l0-21swapper/509:05:025
111391150,0ptp4l0-21swapper/508:59:295
111391150,0ptp4l0-21swapper/508:27:225
111391150,0ptp4l0-21swapper/508:23:165
111391150,0ptp4l0-21swapper/508:16:125
111391150,0ptp4l0-21swapper/507:33:455
111391150,0ptp4l0-21swapper/211:57:122
111391150,0ptp4l0-21swapper/209:41:082
111391150,0ptp4l0-21swapper/208:57:002
111391150,0ptp4l0-21swapper/208:54:552
111391150,0ptp4l0-21swapper/208:35:392
111391150,0ptp4l0-21swapper/208:21:572
111391150,0ptp4l0-21swapper/207:55:592
111391150,0ptp4l0-21swapper/207:49:472
111391150,0ptp4l0-21swapper/207:40:582
111391150,0ptp4l0-21swapper/207:22:152
111391150,0ptp4l0-21swapper/207:15:452
111391150,0ptp4l0-21swapper/207:15:442
111391150,0ptp4l0-21swapper/108:41:111
111391150,0ptp4l0-21swapper/108:27:221
111391150,0ptp4l0-21swapper/107:56:111
111391150,0ptp4l0-21swapper/107:33:301
111391150,0ptp4l0-21swapper/107:26:321
111391150,0ptp4l0-21swapper/107:11:001
111391150,0ptp4l0-21swapper/107:11:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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