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2025-12-30 - 16:38

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 Tue Dec 30, 2025 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1460726443,6sleep00-21swapper/007:09:370
1442625949,6sleep70-21swapper/707:07:207
111391590,5ptp4l0-21swapper/407:09:234
134532570,0sleep40-21swapper/409:19:234
1434925634,7sleep30-21swapper/307:06:203
1453225040,6sleep20-21swapper/207:08:442
1450225039,6sleep10-21swapper/107:08:191
1443424837,6sleep60-21swapper/607:07:276
1438924735,7sleep50-21swapper/507:06:555
111391330,0ptp4l0-21swapper/410:44:024
111391320,0ptp4l0-21swapper/311:48:193
111391320,0ptp4l0-21swapper/111:38:401
111391320,0ptp4l0-21swapper/110:03:041
111391320,0ptp4l0-21swapper/109:23:201
111391310,0ptp4l0-21swapper/411:32:244
111391310,0ptp4l0-21swapper/410:11:184
111391310,0ptp4l0-21swapper/111:30:021
111391300,0ptp4l0-21swapper/412:01:354
111391300,0ptp4l0-21swapper/411:22:264
111391300,0ptp4l0-21swapper/111:44:551
111391300,0ptp4l0-21swapper/110:23:141
111391300,0ptp4l0-21swapper/109:35:461
111391300,0ptp4l0-21swapper/011:45:130
111391290,3ptp4l401ktimersoftd/309:49:483
111391290,3ptp4l0-21swapper/112:09:451
111391290,0ptp4l0-21swapper/409:43:274
111391290,0ptp4l0-21swapper/112:27:591
111391290,0ptp4l0-21swapper/010:59:140
111391290,0ptp4l0-21swapper/010:40:170
111391280,1ptp4l22978-21sensors09:30:204
111391280,1ptp4l0-21swapper/110:46:461
111391280,0ptp4l0-21swapper/711:57:187
111391280,0ptp4l0-21swapper/509:34:525
111391280,0ptp4l0-21swapper/412:39:004
111391280,0ptp4l0-21swapper/412:06:244
111391280,0ptp4l0-21swapper/411:50:574
111391280,0ptp4l0-21swapper/410:32:294
111391280,0ptp4l0-21swapper/409:54:054
111391280,0ptp4l0-21swapper/310:37:363
111391280,0ptp4l0-21swapper/112:35:321
111391280,0ptp4l0-21swapper/112:30:151
111391280,0ptp4l0-21swapper/109:34:591
111391270,4ptp4l0-21swapper/412:30:014
111391270,4ptp4l0-21swapper/411:16:104
111391270,0ptp4l0-21swapper/508:35:155
111391270,0ptp4l0-21swapper/411:10:094
111391270,0ptp4l0-21swapper/410:29:434
111391270,0ptp4l0-21swapper/410:29:424
111391270,0ptp4l0-21swapper/409:26:254
111391270,0ptp4l0-21swapper/111:04:531
111391270,0ptp4l0-21swapper/110:30:481
111391270,0ptp4l0-21swapper/010:51:170
111391270,0ptp4l0-21swapper/007:20:170
111391260,1ptp4l20499-21cpuspeed_turbos07:20:111
111391260,1ptp4l19178-21kworker/u16:110:21:554
111391260,1ptp4l1502-21latency_hist11:10:014
111391260,0ptp4l0-21swapper/512:30:205
111391260,0ptp4l0-21swapper/512:24:035
111391260,0ptp4l0-21swapper/412:16:454
111391260,0ptp4l0-21swapper/411:47:334
111391260,0ptp4l0-21swapper/410:05:514
111391260,0ptp4l0-21swapper/408:25:004
111391260,0ptp4l0-21swapper/109:15:341
111391260,0ptp4l0-21swapper/109:13:471
111391260,0ptp4l0-21swapper/012:32:130
1492999250,2cyclictest0-21swapper/509:02:115
111391250,2ptp4l32522-21if_enp0s2510:25:165
111391250,2ptp4l32522-21if_enp0s2510:25:155
111391250,2ptp4l17305-21latency_hist07:15:010
111391250,2ptp4l0-21swapper/107:44:251
111391250,1ptp4l12219-21cat08:10:197
111391250,0ptp4l5674-21diskmemload10:38:461
111391250,0ptp4l0-21swapper/512:25:135
111391250,0ptp4l0-21swapper/510:10:145
111391250,0ptp4l0-21swapper/509:41:415
111391250,0ptp4l0-21swapper/509:15:205
111391250,0ptp4l0-21swapper/411:39:104
111391250,0ptp4l0-21swapper/410:52:514
111391250,0ptp4l0-21swapper/410:47:064
111391250,0ptp4l0-21swapper/410:19:034
111391250,0ptp4l0-21swapper/409:24:144
111391250,0ptp4l0-21swapper/409:05:144
111391250,0ptp4l0-21swapper/408:11:434
111391250,0ptp4l0-21swapper/407:40:184
111391250,0ptp4l0-21swapper/110:27:211
111391250,0ptp4l0-21swapper/110:27:211
111391250,0ptp4l0-21swapper/107:19:481
111391250,0ptp4l0-21swapper/011:15:180
111391250,0ptp4l0-21swapper/009:44:120
111391250,0ptp4l0-21swapper/008:05:250
111391240,2ptp4l0-21swapper/408:37:534
111391240,1ptp4l9807-21load09:55:150
111391240,1ptp4l8852-21df08:05:154
111391240,1ptp4l18937-21sh09:25:185
111391240,1ptp4l17924-21grep08:25:125
111391240,1ptp4l14423-21rm09:20:135
111391240,0ptp4l0-21swapper/507:55:205
111391240,0ptp4l0-21swapper/507:45:225
111391240,0ptp4l0-21swapper/507:45:225
111391240,0ptp4l0-21swapper/411:41:584
111391240,0ptp4l0-21swapper/411:00:184
111391240,0ptp4l0-21swapper/409:55:494
111391240,0ptp4l0-21swapper/409:37:244
111391240,0ptp4l0-21swapper/409:01:564
111391240,0ptp4l0-21swapper/408:02:334
111391240,0ptp4l0-21swapper/407:37:464
111391240,0ptp4l0-21swapper/407:24:004
111391240,0ptp4l0-21swapper/112:20:011
111391240,0ptp4l0-21swapper/108:25:331
111391240,0ptp4l0-21swapper/107:47:121
111391240,0ptp4l0-21swapper/107:47:111
111391240,0ptp4l0-21swapper/012:21:050
111391240,0ptp4l0-21swapper/009:30:180
111391240,0ptp4l0-21swapper/009:11:050
111391240,0ptp4l0-21swapper/008:50:220
1492999230,0cyclictest0-21swapper/508:59:155
111391230,2ptp4l0-21swapper/108:40:121
111391230,0ptp4l20339-21fw_forwarded_lo08:30:134
111391230,0ptp4l14073-21strings08:15:181
111391230,0ptp4l0-21swapper/512:39:565
111391230,0ptp4l0-21swapper/511:53:115
111391230,0ptp4l0-21swapper/511:10:195
111391230,0ptp4l0-21swapper/510:55:215
111391230,0ptp4l0-21swapper/510:37:535
111391230,0ptp4l0-21swapper/510:00:015
111391230,0ptp4l0-21swapper/507:50:175
111391230,0ptp4l0-21swapper/507:50:165
111391230,0ptp4l0-21swapper/507:30:175
111391230,0ptp4l0-21swapper/507:15:165
111391230,0ptp4l0-21swapper/507:10:185
111391230,0ptp4l0-21swapper/412:25:004
111391230,0ptp4l0-21swapper/412:12:424
111391230,0ptp4l0-21swapper/411:55:164
111391230,0ptp4l0-21swapper/410:37:414
111391230,0ptp4l0-21swapper/409:45:134
111391230,0ptp4l0-21swapper/409:10:124
111391230,0ptp4l0-21swapper/408:49:594
111391230,0ptp4l0-21swapper/408:20:184
111391230,0ptp4l0-21swapper/408:16:484
111391230,0ptp4l0-21swapper/407:57:304
111391230,0ptp4l0-21swapper/407:15:004
111391230,0ptp4l0-21swapper/311:04:183
111391230,0ptp4l0-21swapper/111:05:121
111391230,0ptp4l0-21swapper/110:55:131
111391230,0ptp4l0-21swapper/110:42:271
111391230,0ptp4l0-21swapper/108:35:141
111391230,0ptp4l0-21swapper/108:10:001
111391230,0ptp4l0-21swapper/108:00:011
111391230,0ptp4l0-21swapper/107:50:161
111391230,0ptp4l0-21swapper/107:50:151
111391230,0ptp4l0-21swapper/107:30:151
111391230,0ptp4l0-21swapper/012:35:150
111391230,0ptp4l0-21swapper/012:15:190
111391230,0ptp4l0-21swapper/012:05:200
111391230,0ptp4l0-21swapper/011:55:130
111391230,0ptp4l0-21swapper/011:25:110
111391230,0ptp4l0-21swapper/011:24:200
111391230,0ptp4l0-21swapper/011:10:130
111391230,0ptp4l0-21swapper/011:05:130
111391230,0ptp4l0-21swapper/011:00:180
111391230,0ptp4l0-21swapper/010:30:010
111391230,0ptp4l0-21swapper/010:30:000
111391230,0ptp4l0-21swapper/010:05:450
111391230,0ptp4l0-21swapper/010:03:220
111391230,0ptp4l0-21swapper/009:50:210
111391230,0ptp4l0-21swapper/009:29:290
111391230,0ptp4l0-21swapper/009:05:160
111391230,0ptp4l0-21swapper/008:05:000
111391230,0ptp4l0-21swapper/007:25:120
1492999225,0cyclictest0-21swapper/509:05:385
1492999220,4cyclictest0-21swapper/509:10:285
111391220,2ptp4l0-21swapper/308:33:213
111391220,1ptp4l2814-21ssh09:45:361
111391220,0ptp4l0-21swapper/711:48:537
111391220,0ptp4l0-21swapper/710:37:137
111391220,0ptp4l0-21swapper/611:21:086
111391220,0ptp4l0-21swapper/512:18:305
111391220,0ptp4l0-21swapper/512:06:585
111391220,0ptp4l0-21swapper/511:45:085
111391220,0ptp4l0-21swapper/511:44:545
111391220,0ptp4l0-21swapper/511:30:015
111391220,0ptp4l0-21swapper/511:05:015
111391220,0ptp4l0-21swapper/510:51:405
111391220,0ptp4l0-21swapper/510:45:185
111391220,0ptp4l0-21swapper/510:41:305
111391220,0ptp4l0-21swapper/510:30:165
111391220,0ptp4l0-21swapper/510:22:225
111391220,0ptp4l0-21swapper/510:19:105
111391220,0ptp4l0-21swapper/510:06:295
111391220,0ptp4l0-21swapper/510:00:125
111391220,0ptp4l0-21swapper/509:53:315
111391220,0ptp4l0-21swapper/509:35:125
111391220,0ptp4l0-21swapper/508:52:255
111391220,0ptp4l0-21swapper/508:40:135
111391220,0ptp4l0-21swapper/508:15:165
111391220,0ptp4l0-21swapper/507:35:205
111391220,0ptp4l0-21swapper/507:20:105
111391220,0ptp4l0-21swapper/412:29:194
111391220,0ptp4l0-21swapper/411:25:124
111391220,0ptp4l0-21swapper/410:57:144
111391220,0ptp4l0-21swapper/410:01:154
111391220,0ptp4l0-21swapper/408:55:124
111391220,0ptp4l0-21swapper/408:50:134
111391220,0ptp4l0-21swapper/407:48:094
111391220,0ptp4l0-21swapper/407:48:084
111391220,0ptp4l0-21swapper/407:33:134
111391220,0ptp4l0-21swapper/407:25:114
111391220,0ptp4l0-21swapper/311:57:403
111391220,0ptp4l0-21swapper/311:14:443
111391220,0ptp4l0-21swapper/308:10:143
111391220,0ptp4l0-21swapper/307:26:473
111391220,0ptp4l0-21swapper/208:40:192
111391220,0ptp4l0-21swapper/112:18:301
111391220,0ptp4l0-21swapper/112:10:181
111391220,0ptp4l0-21swapper/111:54:441
111391220,0ptp4l0-21swapper/111:27:001
111391220,0ptp4l0-21swapper/111:11:351
111391220,0ptp4l0-21swapper/110:51:381
111391220,0ptp4l0-21swapper/110:10:151
111391220,0ptp4l0-21swapper/110:07:351
111391220,0ptp4l0-21swapper/109:56:351
111391220,0ptp4l0-21swapper/109:51:141
111391220,0ptp4l0-21swapper/109:42:341
111391220,0ptp4l0-21swapper/109:25:171
111391220,0ptp4l0-21swapper/108:57:261
111391220,0ptp4l0-21swapper/107:55:131
111391220,0ptp4l0-21swapper/107:35:211
111391220,0ptp4l0-21swapper/107:10:121
111391220,0ptp4l0-21swapper/012:26:160
111391220,0ptp4l0-21swapper/012:00:120
111391220,0ptp4l0-21swapper/011:50:120
111391220,0ptp4l0-21swapper/011:40:140
111391220,0ptp4l0-21swapper/011:35:180
111391220,0ptp4l0-21swapper/011:30:130
111391220,0ptp4l0-21swapper/010:35:170
111391220,0ptp4l0-21swapper/010:20:150
111391220,0ptp4l0-21swapper/010:15:160
111391220,0ptp4l0-21swapper/010:12:570
111391220,0ptp4l0-21swapper/009:45:160
111391220,0ptp4l0-21swapper/009:24:060
111391220,0ptp4l0-21swapper/009:15:110
111391220,0ptp4l0-21swapper/009:00:130
111391220,0ptp4l0-21swapper/008:55:100
111391220,0ptp4l0-21swapper/008:45:180
111391220,0ptp4l0-21swapper/008:25:190
111391220,0ptp4l0-21swapper/008:20:190
111391220,0ptp4l0-21swapper/007:40:110
111391220,0ptp4l0-21swapper/007:15:010
111391210,0ptp4l0-21swapper/712:11:307
111391210,0ptp4l0-21swapper/712:00:047
111391210,0ptp4l0-21swapper/711:03:227
111391210,0ptp4l0-21swapper/612:10:026
111391210,0ptp4l0-21swapper/611:38:586
111391210,0ptp4l0-21swapper/610:52:256
111391210,0ptp4l0-21swapper/610:49:166
111391210,0ptp4l0-21swapper/512:10:125
111391210,0ptp4l0-21swapper/512:03:125
111391210,0ptp4l0-21swapper/511:36:385
111391210,0ptp4l0-21swapper/511:25:125
111391210,0ptp4l0-21swapper/511:20:305
111391210,0ptp4l0-21swapper/511:19:245
111391210,0ptp4l0-21swapper/511:01:565
111391210,0ptp4l0-21swapper/212:07:262
111391210,0ptp4l0-21swapper/211:09:412
111391210,0ptp4l0-21swapper/209:23:112
111391210,0ptp4l0-21swapper/209:19:562
111391210,0ptp4l0-21swapper/207:48:032
111391210,0ptp4l0-21swapper/207:48:032
111391210,0ptp4l0-21swapper/112:03:091
111391210,0ptp4l0-21swapper/111:45:031
111391210,0ptp4l0-21swapper/111:23:341
111391210,0ptp4l0-21swapper/111:16:211
111391210,0ptp4l0-21swapper/110:16:081
111391210,0ptp4l0-21swapper/012:10:070
111391210,0ptp4l0-21swapper/010:45:130
111391210,0ptp4l0-21swapper/010:32:140
111391210,0ptp4l0-21swapper/009:36:570
111391210,0ptp4l0-21swapper/008:30:140
111391210,0ptp4l0-21swapper/008:19:130
111391210,0ptp4l0-21swapper/007:55:490
111391210,0ptp4l0-21swapper/007:49:120
111391210,0ptp4l0-21swapper/007:49:110
111391210,0ptp4l0-21swapper/007:35:120
111391200,0ptp4l0-21swapper/711:42:317
111391200,0ptp4l0-21swapper/612:35:456
111391200,0ptp4l0-21swapper/610:15:066
111391200,0ptp4l0-21swapper/610:14:006
111391200,0ptp4l0-21swapper/609:36:246
111391200,0ptp4l0-21swapper/608:40:216
111391200,0ptp4l0-21swapper/509:47:015
111391200,0ptp4l0-21swapper/508:08:305
111391200,0ptp4l0-21swapper/211:26:272
111391200,0ptp4l0-21swapper/211:20:482
111391200,0ptp4l0-21swapper/210:52:282
111391200,0ptp4l0-21swapper/210:06:022
111391200,0ptp4l0-21swapper/209:53:402
111391200,0ptp4l0-21swapper/109:02:121
111391200,0ptp4l0-21swapper/108:53:131
111391200,0ptp4l0-21swapper/108:31:311
111391200,0ptp4l0-21swapper/008:41:310
111391200,0ptp4l0-21swapper/008:13:290
111391200,0ptp4l0-21swapper/007:53:130
111391200,0ptp4l0-21swapper/007:53:120
56192190,0sleep70-21swapper/712:37:447
111391190,1ptp4l27245-21ssh10:18:432
111391190,0ptp4l0-21swapper/711:14:447
111391190,0ptp4l0-21swapper/609:19:596
111391190,0ptp4l0-21swapper/507:44:485
111391190,0ptp4l0-21swapper/312:11:253
111391190,0ptp4l0-21swapper/308:29:073
111391190,0ptp4l0-21swapper/212:35:472
111391190,0ptp4l0-21swapper/210:49:172
111391190,0ptp4l0-21swapper/210:23:012
111391190,0ptp4l0-21swapper/210:13:582
111391190,0ptp4l0-21swapper/008:36:120
14942991814,1cyclictest0-21swapper/709:30:157
111391180,0ptp4l0-21swapper/708:33:137
111391180,0ptp4l0-21swapper/611:55:246
111391180,0ptp4l0-21swapper/611:26:276
111391180,0ptp4l0-21swapper/610:03:436
111391180,0ptp4l0-21swapper/508:35:005
111391180,0ptp4l0-21swapper/508:24:305
111391180,0ptp4l0-21swapper/312:00:033
111391180,0ptp4l0-21swapper/212:10:392
111391180,0ptp4l0-21swapper/210:03:152
271592170,1sleep527165-21cpuspeed_turbos08:45:125
111391170,0ptp4l0-21swapper/707:49:267
111391170,0ptp4l0-21swapper/707:49:257
111391170,0ptp4l0-21swapper/612:04:416
111391170,0ptp4l0-21swapper/610:06:036
111391170,0ptp4l0-21swapper/609:53:406
111391170,0ptp4l0-21swapper/609:23:126
111391170,0ptp4l0-21swapper/311:42:293
111391170,0ptp4l0-21swapper/310:55:043
111391170,0ptp4l0-21swapper/212:00:102
111391170,0ptp4l0-21swapper/211:54:542
111391170,0ptp4l0-21swapper/210:40:262
111391170,0ptp4l0-21swapper/209:37:272
252532160,0sleep2311rcuc/210:57:192
111391160,0ptp4l0-21swapper/709:49:507
111391160,0ptp4l0-21swapper/610:23:376
111391160,0ptp4l0-21swapper/609:00:226
111391160,0ptp4l0-21swapper/608:32:236
111391160,0ptp4l0-21swapper/508:00:125
111391160,0ptp4l0-21swapper/507:26:025
111391160,0ptp4l0-21swapper/407:53:124
111391160,0ptp4l0-21swapper/407:53:114
111391160,0ptp4l0-21swapper/111:55:041
111391160,0ptp4l0-21swapper/109:06:541
111391160,0ptp4l0-21swapper/108:49:341
111391160,0ptp4l0-21swapper/108:12:201
111391160,0ptp4l0-21swapper/107:25:281
111391160,0ptp4l0-21swapper/007:33:400
1491699150,1cyclictest0-21swapper/309:15:143
111391150,0ptp4l0-21swapper/708:28:227
111391150,0ptp4l0-21swapper/707:26:487
111391150,0ptp4l0-21swapper/612:30:036
111391150,0ptp4l0-21swapper/610:40:296
111391150,0ptp4l0-21swapper/609:31:156
111391150,0ptp4l0-21swapper/608:58:376
111391150,0ptp4l0-21swapper/608:39:486
111391150,0ptp4l0-21swapper/607:50:396
111391150,0ptp4l0-21swapper/607:50:396
111391150,0ptp4l0-21swapper/607:38:166
111391150,0ptp4l0-21swapper/607:33:566
111391150,0ptp4l0-21swapper/607:28:406
111391150,0ptp4l0-21swapper/607:16:026
111391150,0ptp4l0-21swapper/508:10:035
111391150,0ptp4l0-21swapper/408:40:024
111391150,0ptp4l0-21swapper/407:10:354
111391150,0ptp4l0-21swapper/307:49:263
111391150,0ptp4l0-21swapper/307:49:253
111391150,0ptp4l0-21swapper/211:15:222
111391150,0ptp4l0-21swapper/210:31:172
111391150,0ptp4l0-21swapper/208:54:282
111391150,0ptp4l0-21swapper/207:50:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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