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2026-04-28 - 20:39

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 Apr 28, 2026 12:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77312660,0sleep10-21swapper/108:20:001
111391650,30ptp4l0-21swapper/007:05:260
170672640,0sleep70-21swapper/708:40:007
111391610,7ptp4l0-21swapper/107:05:151
111391600,4ptp4l0-21swapper/407:05:444
45842590,0sleep40-21swapper/412:07:284
162002590,0sleep70-21swapper/707:25:207
221362580,0sleep20-21swapper/212:30:182
62372570,0sleep20-21swapper/210:00:222
518025646,6sleep70-21swapper/707:05:107
683724938,7sleep20-21swapper/207:06:492
704324736,7sleep30-21swapper/307:09:323
686024737,6sleep60-21swapper/607:07:106
679424634,7sleep50-21swapper/507:06:205
111391330,0ptp4l0-21swapper/410:55:164
111391310,0ptp4l0-21swapper/412:36:194
111391310,0ptp4l0-21swapper/108:25:171
111391310,0ptp4l0-21swapper/011:55:210
111391310,0ptp4l0-21swapper/011:55:200
111391300,0ptp4l0-21swapper/511:58:015
111391300,0ptp4l0-21swapper/511:58:005
111391300,0ptp4l0-21swapper/508:25:145
111391300,0ptp4l0-21swapper/309:31:403
111391300,0ptp4l0-21swapper/011:22:070
111391300,0ptp4l0-21swapper/009:18:490
111391300,0ptp4l0-21swapper/009:18:490
111391290,4ptp4l0-21swapper/011:17:070
111391290,0ptp4l0-21swapper/709:57:277
111391290,0ptp4l0-21swapper/411:10:174
111391290,0ptp4l0-21swapper/410:37:564
111391290,0ptp4l0-21swapper/409:34:054
111391290,0ptp4l0-21swapper/409:25:124
111391290,0ptp4l0-21swapper/012:38:300
111391280,1ptp4l15229-21ssh12:20:484
111391280,0ptp4l0-21swapper/510:34:095
111391280,0ptp4l0-21swapper/509:17:595
111391280,0ptp4l0-21swapper/509:17:585
111391280,0ptp4l0-21swapper/411:28:394
111391280,0ptp4l0-21swapper/411:22:554
111391280,0ptp4l0-21swapper/410:31:404
111391280,0ptp4l0-21swapper/410:28:154
111391280,0ptp4l0-21swapper/410:15:164
111391280,0ptp4l0-21swapper/410:13:224
111391280,0ptp4l0-21swapper/109:52:001
111391280,0ptp4l0-21swapper/012:21:370
111391280,0ptp4l0-21swapper/012:12:470
111391280,0ptp4l0-21swapper/011:01:510
111391280,0ptp4l0-21swapper/010:48:190
111391280,0ptp4l0-21swapper/010:14:510
111391270,0ptp4l0-21swapper/612:36:046
111391270,0ptp4l0-21swapper/411:50:334
111391270,0ptp4l0-21swapper/411:50:324
111391270,0ptp4l0-21swapper/411:38:114
111391270,0ptp4l0-21swapper/411:17:324
111391270,0ptp4l0-21swapper/411:08:404
111391270,0ptp4l0-21swapper/410:20:174
111391270,0ptp4l0-21swapper/409:11:374
111391270,0ptp4l0-21swapper/408:07:344
111391270,0ptp4l0-21swapper/310:09:143
111391270,0ptp4l0-21swapper/109:14:411
111391270,0ptp4l0-21swapper/012:30:210
111391270,0ptp4l0-21swapper/010:52:050
111391270,0ptp4l0-21swapper/010:36:360
111391270,0ptp4l0-21swapper/010:34:560
111391270,0ptp4l0-21swapper/010:25:150
111391270,0ptp4l0-21swapper/009:52:510
266222260,0sleep70-21swapper/710:29:037
111391260,0ptp4l0-21swapper/612:19:436
111391260,0ptp4l0-21swapper/612:10:166
111391260,0ptp4l0-21swapper/611:50:416
111391260,0ptp4l0-21swapper/611:50:406
111391260,0ptp4l0-21swapper/512:09:195
111391260,0ptp4l0-21swapper/409:50:134
111391260,0ptp4l0-21swapper/407:15:024
111391260,0ptp4l0-21swapper/312:17:443
111391260,0ptp4l0-21swapper/112:02:461
111391260,0ptp4l0-21swapper/109:40:211
111391260,0ptp4l0-21swapper/012:02:210
111391260,0ptp4l0-21swapper/011:46:100
111391260,0ptp4l0-21swapper/011:40:100
111391260,0ptp4l0-21swapper/010:58:560
111391260,0ptp4l0-21swapper/010:44:450
111391260,0ptp4l0-21swapper/010:20:120
111391260,0ptp4l0-21swapper/010:18:470
111391260,0ptp4l0-21swapper/010:09:500
111391260,0ptp4l0-21swapper/009:45:120
111391250,1ptp4l6663-21df_inode10:45:134
111391250,1ptp4l18733-21sh11:00:172
111391250,0ptp4l0-21swapper/611:40:056
111391250,0ptp4l0-21swapper/610:17:276
111391250,0ptp4l0-21swapper/509:11:465
111391250,0ptp4l0-21swapper/410:40:204
111391250,0ptp4l0-21swapper/409:55:414
111391250,0ptp4l0-21swapper/408:55:494
111391250,0ptp4l0-21swapper/407:50:174
111391250,0ptp4l0-21swapper/407:27:334
111391250,0ptp4l0-21swapper/307:50:153
111391250,0ptp4l0-21swapper/211:35:232
111391250,0ptp4l0-21swapper/210:10:212
111391250,0ptp4l0-21swapper/112:05:021
111391250,0ptp4l0-21swapper/111:58:521
111391250,0ptp4l0-21swapper/111:58:511
111391250,0ptp4l0-21swapper/111:30:011
111391250,0ptp4l0-21swapper/110:37:151
111391250,0ptp4l0-21swapper/012:26:340
111391250,0ptp4l0-21swapper/012:06:020
111391250,0ptp4l0-21swapper/009:20:120
111391250,0ptp4l0-21swapper/007:15:120
111391240,2ptp4l0-21swapper/009:36:360
111391240,1ptp4l30299-21/usr/sbin/munin07:55:207
111391240,1ptp4l27752-21grep09:00:194
111391240,1ptp4l22411-21ksmtuned10:22:355
111391240,1ptp4l18995-21munin-run08:45:015
111391240,1ptp4l1851-21ps09:55:170
111391240,0ptp4l14593-21smart_sda12:20:181
111391240,0ptp4l0-21swapper/512:20:305
111391240,0ptp4l0-21swapper/511:18:185
111391240,0ptp4l0-21swapper/509:59:185
111391240,0ptp4l0-21swapper/509:53:185
111391240,0ptp4l0-21swapper/509:05:185
111391240,0ptp4l0-21swapper/508:20:135
111391240,0ptp4l0-21swapper/507:40:005
111391240,0ptp4l0-21swapper/412:30:144
111391240,0ptp4l0-21swapper/412:25:174
111391240,0ptp4l0-21swapper/411:55:184
111391240,0ptp4l0-21swapper/411:55:184
111391240,0ptp4l0-21swapper/411:46:554
111391240,0ptp4l0-21swapper/411:41:374
111391240,0ptp4l0-21swapper/409:43:214
111391240,0ptp4l0-21swapper/409:35:514
111391240,0ptp4l0-21swapper/212:36:072
111391240,0ptp4l0-21swapper/212:26:432
111391240,0ptp4l0-21swapper/210:26:082
111391240,0ptp4l0-21swapper/110:12:351
111391240,0ptp4l0-21swapper/110:05:131
111391240,0ptp4l0-21swapper/109:24:121
111391240,0ptp4l0-21swapper/109:15:211
111391240,0ptp4l0-21swapper/109:15:201
111391240,0ptp4l0-21swapper/108:45:191
111391240,0ptp4l0-21swapper/108:30:121
111391240,0ptp4l0-21swapper/108:05:001
111391240,0ptp4l0-21swapper/012:15:180
111391240,0ptp4l0-21swapper/011:10:150
111391240,0ptp4l0-21swapper/011:07:360
111391240,0ptp4l0-21swapper/009:26:120
111391240,0ptp4l0-21swapper/008:50:170
111391240,0ptp4l0-21swapper/007:50:210
111391230,3ptp4l0-21swapper/011:30:310
111391230,2ptp4l0-21swapper/112:16:521
111391230,1ptp4l738599cyclictest12:10:194
111391230,1ptp4l32473-21users09:10:200
111391230,0ptp4l0-21swapper/709:47:567
111391230,0ptp4l0-21swapper/512:04:315
111391230,0ptp4l0-21swapper/511:54:445
111391230,0ptp4l0-21swapper/511:54:445
111391230,0ptp4l0-21swapper/510:15:115
111391230,0ptp4l0-21swapper/510:11:355
111391230,0ptp4l0-21swapper/510:05:165
111391230,0ptp4l0-21swapper/510:00:225
111391230,0ptp4l0-21swapper/509:30:205
111391230,0ptp4l0-21swapper/508:45:125
111391230,0ptp4l0-21swapper/508:30:155
111391230,0ptp4l0-21swapper/507:10:185
111391230,0ptp4l0-21swapper/412:02:304
111391230,0ptp4l0-21swapper/410:53:404
111391230,0ptp4l0-21swapper/409:45:104
111391230,0ptp4l0-21swapper/409:20:154
111391230,0ptp4l0-21swapper/409:15:434
111391230,0ptp4l0-21swapper/409:15:424
111391230,0ptp4l0-21swapper/408:40:204
111391230,0ptp4l0-21swapper/408:32:134
111391230,0ptp4l0-21swapper/408:15:164
111391230,0ptp4l0-21swapper/408:15:004
111391230,0ptp4l0-21swapper/407:35:114
111391230,0ptp4l0-21swapper/407:30:204
111391230,0ptp4l0-21swapper/309:48:443
111391230,0ptp4l0-21swapper/112:30:081
111391230,0ptp4l0-21swapper/111:41:481
111391230,0ptp4l0-21swapper/111:32:471
111391230,0ptp4l0-21swapper/111:12:221
111391230,0ptp4l0-21swapper/110:30:131
111391230,0ptp4l0-21swapper/110:00:061
111391230,0ptp4l0-21swapper/109:30:171
111391230,0ptp4l0-21swapper/109:05:141
111391230,0ptp4l0-21swapper/108:51:471
111391230,0ptp4l0-21swapper/107:15:171
111391230,0ptp4l0-21swapper/107:10:171
111391230,0ptp4l0-21swapper/011:35:140
111391230,0ptp4l0-21swapper/011:25:130
111391230,0ptp4l0-21swapper/010:00:360
111391230,0ptp4l0-21swapper/008:40:110
111391230,0ptp4l0-21swapper/008:32:000
111391230,0ptp4l0-21swapper/008:05:130
111391230,0ptp4l0-21swapper/007:35:160
111391230,0ptp4l0-21swapper/007:20:110
111391220,0ptp4l33-21ksoftirqd/207:40:182
111391220,0ptp4l30462-21diskmemload10:37:125
111391220,0ptp4l10285-21ssh10:05:446
111391220,0ptp4l0-21swapper/710:09:007
111391220,0ptp4l0-21swapper/612:28:076
111391220,0ptp4l0-21swapper/611:00:166
111391220,0ptp4l0-21swapper/610:26:016
111391220,0ptp4l0-21swapper/610:02:026
111391220,0ptp4l0-21swapper/609:33:146
111391220,0ptp4l0-21swapper/607:40:196
111391220,0ptp4l0-21swapper/512:38:505
111391220,0ptp4l0-21swapper/512:30:105
111391220,0ptp4l0-21swapper/512:15:435
111391220,0ptp4l0-21swapper/512:13:145
111391220,0ptp4l0-21swapper/511:48:405
111391220,0ptp4l0-21swapper/511:32:555
111391220,0ptp4l0-21swapper/511:05:185
111391220,0ptp4l0-21swapper/511:02:585
111391220,0ptp4l0-21swapper/510:57:235
111391220,0ptp4l0-21swapper/510:52:085
111391220,0ptp4l0-21swapper/510:45:175
111391220,0ptp4l0-21swapper/510:29:155
111391220,0ptp4l0-21swapper/509:40:215
111391220,0ptp4l0-21swapper/509:00:135
111391220,0ptp4l0-21swapper/508:35:145
111391220,0ptp4l0-21swapper/508:00:185
111391220,0ptp4l0-21swapper/507:40:115
111391220,0ptp4l0-21swapper/412:15:114
111391220,0ptp4l0-21swapper/411:30:134
111391220,0ptp4l0-21swapper/411:00:044
111391220,0ptp4l0-21swapper/410:06:284
111391220,0ptp4l0-21swapper/410:01:204
111391220,0ptp4l0-21swapper/408:50:134
111391220,0ptp4l0-21swapper/408:00:134
111391220,0ptp4l0-21swapper/407:45:114
111391220,0ptp4l0-21swapper/407:45:014
111391220,0ptp4l0-21swapper/407:20:334
111391220,0ptp4l0-21swapper/407:10:194
111391220,0ptp4l0-21swapper/307:55:183
111391220,0ptp4l0-21swapper/212:19:532
111391220,0ptp4l0-21swapper/212:10:112
111391220,0ptp4l0-21swapper/211:50:472
111391220,0ptp4l0-21swapper/211:50:462
111391220,0ptp4l0-21swapper/211:45:142
111391220,0ptp4l0-21swapper/211:11:052
111391220,0ptp4l0-21swapper/210:58:202
111391220,0ptp4l0-21swapper/209:41:572
111391220,0ptp4l0-21swapper/209:28:532
111391220,0ptp4l0-21swapper/111:54:281
111391220,0ptp4l0-21swapper/111:54:271
111391220,0ptp4l0-21swapper/111:45:141
111391220,0ptp4l0-21swapper/111:35:111
111391220,0ptp4l0-21swapper/111:17:351
111391220,0ptp4l0-21swapper/111:07:071
111391220,0ptp4l0-21swapper/111:02:521
111391220,0ptp4l0-21swapper/110:59:061
111391220,0ptp4l0-21swapper/110:45:211
111391220,0ptp4l0-21swapper/110:20:541
111391220,0ptp4l0-21swapper/110:15:041
111391220,0ptp4l0-21swapper/109:56:131
111391220,0ptp4l0-21swapper/109:45:351
111391220,0ptp4l0-21swapper/109:27:451
111391220,0ptp4l0-21swapper/108:40:171
111391220,0ptp4l0-21swapper/108:35:151
111391220,0ptp4l0-21swapper/108:20:201
111391220,0ptp4l0-21swapper/108:10:101
111391220,0ptp4l0-21swapper/107:40:121
111391220,0ptp4l0-21swapper/011:50:140
111391220,0ptp4l0-21swapper/011:50:140
111391220,0ptp4l0-21swapper/009:42:050
111391220,0ptp4l0-21swapper/009:30:130
111391220,0ptp4l0-21swapper/009:00:190
111391220,0ptp4l0-21swapper/008:55:170
111391220,0ptp4l0-21swapper/008:15:170
111391220,0ptp4l0-21swapper/007:45:140
111391220,0ptp4l0-21swapper/007:30:210
111391220,0ptp4l0-21swapper/007:25:130
111391220,0ptp4l0-21swapper/007:14:330
111391210,0ptp4l0-21swapper/712:17:107
111391210,0ptp4l0-21swapper/711:01:177
111391210,0ptp4l0-21swapper/710:02:557
111391210,0ptp4l0-21swapper/709:31:387
111391210,0ptp4l0-21swapper/709:11:527
111391210,0ptp4l0-21swapper/707:50:137
111391210,0ptp4l0-21swapper/611:35:176
111391210,0ptp4l0-21swapper/611:25:426
111391210,0ptp4l0-21swapper/611:11:126
111391210,0ptp4l0-21swapper/610:58:066
111391210,0ptp4l0-21swapper/609:58:166
111391210,0ptp4l0-21swapper/609:13:496
111391210,0ptp4l0-21swapper/511:42:365
111391210,0ptp4l0-21swapper/511:22:235
111391210,0ptp4l0-21swapper/511:12:325
111391210,0ptp4l0-21swapper/510:43:105
111391210,0ptp4l0-21swapper/509:45:415
111391210,0ptp4l0-21swapper/509:27:025
111391210,0ptp4l0-21swapper/509:21:565
111391210,0ptp4l0-21swapper/508:10:005
111391210,0ptp4l0-21swapper/507:53:105
111391210,0ptp4l0-21swapper/507:25:025
111391210,0ptp4l0-21swapper/507:15:185
111391210,0ptp4l0-21swapper/408:27:144
111391210,0ptp4l0-21swapper/310:51:113
111391210,0ptp4l0-21swapper/310:03:033
111391210,0ptp4l0-21swapper/309:57:223
111391210,0ptp4l0-21swapper/309:11:593
111391210,0ptp4l0-21swapper/307:41:303
111391210,0ptp4l0-21swapper/211:59:512
111391210,0ptp4l0-21swapper/211:59:502
111391210,0ptp4l0-21swapper/210:21:422
111391210,0ptp4l0-21swapper/210:05:432
111391210,0ptp4l0-21swapper/209:36:012
111391210,0ptp4l0-21swapper/209:32:392
111391210,0ptp4l0-21swapper/209:18:472
111391210,0ptp4l0-21swapper/209:18:462
111391210,0ptp4l0-21swapper/208:13:332
111391210,0ptp4l0-21swapper/208:09:052
111391210,0ptp4l0-21swapper/112:35:541
111391210,0ptp4l0-21swapper/112:29:581
111391210,0ptp4l0-21swapper/112:11:201
111391210,0ptp4l0-21swapper/111:21:461
111391210,0ptp4l0-21swapper/110:51:431
111391210,0ptp4l0-21swapper/110:40:491
111391210,0ptp4l0-21swapper/110:28:561
111391210,0ptp4l0-21swapper/109:00:131
111391210,0ptp4l0-21swapper/008:26:330
111391210,0ptp4l0-21swapper/008:00:140
111391210,0ptp4l0-21swapper/007:43:370
155752200,0sleep60-21swapper/610:15:006
111391200,3ptp4l0-21swapper/009:09:270
111391200,0ptp4l0-21swapper/710:51:047
111391200,0ptp4l0-21swapper/611:59:526
111391200,0ptp4l0-21swapper/611:59:516
111391200,0ptp4l0-21swapper/610:50:396
111391200,0ptp4l0-21swapper/610:39:576
111391200,0ptp4l0-21swapper/610:33:296
111391200,0ptp4l0-21swapper/609:43:596
111391200,0ptp4l0-21swapper/609:37:486
111391200,0ptp4l0-21swapper/512:29:465
111391200,0ptp4l0-21swapper/509:39:065
111391200,0ptp4l0-21swapper/507:46:335
111391200,0ptp4l0-21swapper/407:59:024
111391200,0ptp4l0-21swapper/311:01:243
111391200,0ptp4l0-21swapper/212:03:452
111391200,0ptp4l0-21swapper/211:09:492
111391200,0ptp4l0-21swapper/210:50:432
111391200,0ptp4l0-21swapper/210:39:552
111391200,0ptp4l0-21swapper/208:16:352
111391200,0ptp4l0-21swapper/207:37:422
111391200,0ptp4l0-21swapper/107:57:461
111391200,0ptp4l0-21swapper/008:36:460
111391200,0ptp4l0-21swapper/008:10:340
111391190,3ptp4l0-21swapper/408:49:504
111391190,0ptp4l0-21swapper/709:08:427
111391190,0ptp4l0-21swapper/707:49:547
111391190,0ptp4l0-21swapper/611:09:316
111391190,0ptp4l0-21swapper/609:16:186
111391190,0ptp4l0-21swapper/609:16:176
111391190,0ptp4l0-21swapper/608:49:326
111391190,0ptp4l0-21swapper/608:09:376
111391190,0ptp4l0-21swapper/507:57:475
111391190,0ptp4l0-21swapper/507:33:415
111391190,0ptp4l0-21swapper/507:21:385
111391190,0ptp4l0-21swapper/309:08:343
111391190,0ptp4l0-21swapper/211:25:372
111391190,0ptp4l0-21swapper/210:41:192
111391190,0ptp4l0-21swapper/209:51:342
111391190,0ptp4l0-21swapper/207:11:472
111391190,0ptp4l0-21swapper/107:39:541
111391190,0ptp4l0-21swapper/107:21:191
111391180,1ptp4l0-21swapper/408:36:544
111391180,0ptp4l0-21swapper/709:40:377
111391180,0ptp4l0-21swapper/610:49:566
111391180,0ptp4l0-21swapper/610:41:216
111391180,0ptp4l0-21swapper/511:26:275
111391180,0ptp4l0-21swapper/310:43:463
111391180,0ptp4l0-21swapper/212:06:492
111391180,0ptp4l0-21swapper/211:40:052
111391180,0ptp4l0-21swapper/210:33:322
111391180,0ptp4l0-21swapper/210:17:302
111391180,0ptp4l0-21swapper/109:35:571
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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