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2026-04-22 - 21:25

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 Wed Apr 22, 2026 12:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391780,38ptp4l0-21swapper/007:05:110
585827049,6sleep70-21swapper/707:07:387
251922620,0sleep10-21swapper/110:35:011
111391610,5ptp4l0-21swapper/407:05:534
90372580,0sleep20-21swapper/207:15:012
90372580,0sleep20-21swapper/207:15:002
1881915532,7phc2sys0-21swapper/607:06:306
597825240,7sleep10-21swapper/107:09:091
517625230,17sleep30-21swapper/307:05:173
604925040,6sleep20-21swapper/207:09:582
584724635,7sleep50-21swapper/507:07:285
111391370,0ptp4l0-21swapper/409:38:274
111391310,0ptp4l0-21swapper/509:48:215
111391300,0ptp4l0-21swapper/511:47:315
111391300,0ptp4l0-21swapper/510:54:485
111391300,0ptp4l0-21swapper/410:35:144
111391300,0ptp4l0-21swapper/110:24:161
111391300,0ptp4l0-21swapper/108:30:161
111391300,0ptp4l0-21swapper/009:35:520
111391290,5ptp4l0-21swapper/212:33:052
111391290,4ptp4l0-21swapper/010:46:050
111391290,1ptp4l6298-21cyclictest10:00:230
111391290,0ptp4l0-21swapper/512:32:035
111391290,0ptp4l0-21swapper/512:25:135
111391290,0ptp4l0-21swapper/512:25:135
111391290,0ptp4l0-21swapper/509:30:095
111391290,0ptp4l0-21swapper/410:23:134
111391290,0ptp4l0-21swapper/409:48:514
111391290,0ptp4l0-21swapper/409:26:344
111391290,0ptp4l0-21swapper/112:36:181
111391290,0ptp4l0-21swapper/110:50:131
111391290,0ptp4l0-21swapper/108:20:011
111391290,0ptp4l0-21swapper/012:35:150
111391290,0ptp4l0-21swapper/009:30:160
111391280,0ptp4l0-21swapper/709:44:197
111391280,0ptp4l0-21swapper/509:12:215
111391280,0ptp4l0-21swapper/409:50:354
111391280,0ptp4l0-21swapper/409:50:354
111391280,0ptp4l0-21swapper/409:43:264
111391280,0ptp4l0-21swapper/409:31:274
111391280,0ptp4l0-21swapper/112:10:141
111391280,0ptp4l0-21swapper/111:56:461
111391280,0ptp4l0-21swapper/111:00:581
111391280,0ptp4l0-21swapper/110:38:161
111391280,0ptp4l0-21swapper/110:19:081
111391280,0ptp4l0-21swapper/109:38:041
111391280,0ptp4l0-21swapper/109:26:571
111391280,0ptp4l0-21swapper/011:13:310
111391280,0ptp4l0-21swapper/011:00:150
111391270,3ptp4l0-21swapper/510:31:165
111391270,3ptp4l0-21swapper/008:15:110
111391270,0ptp4l29423-21diskmemload09:59:470
111391270,0ptp4l0-21swapper/512:08:125
111391270,0ptp4l0-21swapper/511:37:325
111391270,0ptp4l0-21swapper/411:46:104
111391270,0ptp4l0-21swapper/410:41:234
111391270,0ptp4l0-21swapper/410:31:254
111391270,0ptp4l0-21swapper/112:30:201
111391270,0ptp4l0-21swapper/112:27:121
111391270,0ptp4l0-21swapper/112:27:121
111391270,0ptp4l0-21swapper/112:21:111
111391270,0ptp4l0-21swapper/109:58:511
111391270,0ptp4l0-21swapper/109:42:261
111391270,0ptp4l0-21swapper/109:30:131
111391270,0ptp4l0-21swapper/010:50:570
111391270,0ptp4l0-21swapper/010:06:120
111391270,0ptp4l0-21swapper/009:21:370
111391260,3ptp4l0-21swapper/511:41:095
111391260,0ptp4l0-21swapper/608:15:126
111391260,0ptp4l0-21swapper/512:15:155
111391260,0ptp4l0-21swapper/512:03:575
111391260,0ptp4l0-21swapper/511:12:225
111391260,0ptp4l0-21swapper/509:41:565
111391260,0ptp4l0-21swapper/507:52:455
111391260,0ptp4l0-21swapper/507:35:185
111391260,0ptp4l0-21swapper/412:36:474
111391260,0ptp4l0-21swapper/412:32:244
111391260,0ptp4l0-21swapper/411:32:454
111391260,0ptp4l0-21swapper/408:24:154
111391260,0ptp4l0-21swapper/111:46:281
111391260,0ptp4l0-21swapper/111:06:191
111391260,0ptp4l0-21swapper/110:02:281
111391260,0ptp4l0-21swapper/109:10:471
111391260,0ptp4l0-21swapper/012:26:540
111391260,0ptp4l0-21swapper/012:26:540
111391260,0ptp4l0-21swapper/012:10:020
111391260,0ptp4l0-21swapper/008:13:150
111391250,1ptp4l5768-21/usr/sbin/munin12:25:004
111391250,1ptp4l25471-21df09:00:114
111391250,0ptp4l0-21swapper/610:45:146
111391250,0ptp4l0-21swapper/512:10:205
111391250,0ptp4l0-21swapper/511:55:135
111391250,0ptp4l0-21swapper/511:23:495
111391250,0ptp4l0-21swapper/510:16:215
111391250,0ptp4l0-21swapper/510:04:465
111391250,0ptp4l0-21swapper/509:29:125
111391250,0ptp4l0-21swapper/508:19:595
111391250,0ptp4l0-21swapper/508:00:165
111391250,0ptp4l0-21swapper/507:25:155
111391250,0ptp4l0-21swapper/412:29:224
111391250,0ptp4l0-21swapper/412:29:224
111391250,0ptp4l0-21swapper/412:18:524
111391250,0ptp4l0-21swapper/412:03:174
111391250,0ptp4l0-21swapper/410:57:084
111391250,0ptp4l0-21swapper/409:56:064
111391250,0ptp4l0-21swapper/409:20:344
111391250,0ptp4l0-21swapper/409:18:034
111391250,0ptp4l0-21swapper/112:07:551
111391250,0ptp4l0-21swapper/112:00:341
111391250,0ptp4l0-21swapper/111:50:501
111391250,0ptp4l0-21swapper/111:43:211
111391250,0ptp4l0-21swapper/111:23:451
111391250,0ptp4l0-21swapper/110:57:181
111391250,0ptp4l0-21swapper/110:48:431
111391250,0ptp4l0-21swapper/110:41:441
111391250,0ptp4l0-21swapper/110:27:121
111391250,0ptp4l0-21swapper/109:05:171
111391250,0ptp4l0-21swapper/012:06:590
111391250,0ptp4l0-21swapper/012:02:580
111391250,0ptp4l0-21swapper/010:20:500
111391250,0ptp4l0-21swapper/009:51:100
111391250,0ptp4l0-21swapper/009:51:100
111391250,0ptp4l0-21swapper/009:13:510
111391250,0ptp4l0-21swapper/008:50:180
111391240,3ptp4l0-21swapper/411:11:274
111391240,1ptp4l8964-21cpu07:15:011
111391240,1ptp4l8964-21cpu07:15:001
111391240,1ptp4l5792-21missed_timers09:20:145
111391240,1ptp4l29423-21diskmemload11:15:120
111391240,1ptp4l25931-21sed09:50:010
111391240,1ptp4l25-21ksoftirqd/111:25:181
111391240,1ptp4l18603-21entropy08:45:114
111391240,1ptp4l16553-21df_inode07:30:125
111391240,1ptp4l0-21swapper/108:40:151
111391240,0ptp4l0-21swapper/710:52:517
111391240,0ptp4l0-21swapper/511:50:125
111391240,0ptp4l0-21swapper/511:05:165
111391240,0ptp4l0-21swapper/510:55:585
111391240,0ptp4l0-21swapper/510:05:175
111391240,0ptp4l0-21swapper/508:40:185
111391240,0ptp4l0-21swapper/508:10:125
111391240,0ptp4l0-21swapper/411:40:474
111391240,0ptp4l0-21swapper/411:15:184
111391240,0ptp4l0-21swapper/410:25:174
111391240,0ptp4l0-21swapper/407:30:014
111391240,0ptp4l0-21swapper/111:30:081
111391240,0ptp4l0-21swapper/111:13:211
111391240,0ptp4l0-21swapper/110:13:261
111391240,0ptp4l0-21swapper/108:50:141
111391240,0ptp4l0-21swapper/108:05:131
111391240,0ptp4l0-21swapper/107:35:181
111391240,0ptp4l0-21swapper/012:21:490
111391240,0ptp4l0-21swapper/011:55:180
111391240,0ptp4l0-21swapper/011:45:160
111391240,0ptp4l0-21swapper/010:59:450
111391240,0ptp4l0-21swapper/010:29:030
111391240,0ptp4l0-21swapper/010:10:200
111391240,0ptp4l0-21swapper/009:05:130
111391240,0ptp4l0-21swapper/007:45:180
111391240,0ptp4l0-21swapper/007:10:200
111391240,0ptp4l0-21swapper/007:10:190
111391230,8ptp4l0-21swapper/507:48:175
111391230,2ptp4l0-21swapper/008:09:460
111391230,1ptp4l8244-21timerwakeupswit08:20:205
111391230,1ptp4l0-21swapper/410:52:094
111391230,0ptp4l0-21swapper/709:45:117
111391230,0ptp4l0-21swapper/709:18:517
111391230,0ptp4l0-21swapper/612:17:116
111391230,0ptp4l0-21swapper/512:35:185
111391230,0ptp4l0-21swapper/511:30:035
111391230,0ptp4l0-21swapper/511:27:005
111391230,0ptp4l0-21swapper/510:36:585
111391230,0ptp4l0-21swapper/510:26:235
111391230,0ptp4l0-21swapper/510:20:145
111391230,0ptp4l0-21swapper/510:10:125
111391230,0ptp4l0-21swapper/509:55:165
111391230,0ptp4l0-21swapper/509:16:225
111391230,0ptp4l0-21swapper/509:05:115
111391230,0ptp4l0-21swapper/509:00:135
111391230,0ptp4l0-21swapper/508:55:125
111391230,0ptp4l0-21swapper/508:50:165
111391230,0ptp4l0-21swapper/508:35:135
111391230,0ptp4l0-21swapper/508:30:125
111391230,0ptp4l0-21swapper/508:05:135
111391230,0ptp4l0-21swapper/507:40:135
111391230,0ptp4l0-21swapper/507:20:215
111391230,0ptp4l0-21swapper/507:15:105
111391230,0ptp4l0-21swapper/507:15:105
111391230,0ptp4l0-21swapper/411:56:204
111391230,0ptp4l0-21swapper/411:52:134
111391230,0ptp4l0-21swapper/411:23:134
111391230,0ptp4l0-21swapper/411:00:124
111391230,0ptp4l0-21swapper/410:48:274
111391230,0ptp4l0-21swapper/410:13:084
111391230,0ptp4l0-21swapper/410:06:404
111391230,0ptp4l0-21swapper/410:00:124
111391230,0ptp4l0-21swapper/409:10:054
111391230,0ptp4l0-21swapper/408:25:174
111391230,0ptp4l0-21swapper/407:15:184
111391230,0ptp4l0-21swapper/407:15:174
111391230,0ptp4l0-21swapper/407:10:194
111391230,0ptp4l0-21swapper/407:10:184
111391230,0ptp4l0-21swapper/310:52:443
111391230,0ptp4l0-21swapper/309:45:183
111391230,0ptp4l0-21swapper/309:44:523
111391230,0ptp4l0-21swapper/309:12:163
111391230,0ptp4l0-21swapper/210:45:142
111391230,0ptp4l0-21swapper/208:15:122
111391230,0ptp4l0-21swapper/112:15:141
111391230,0ptp4l0-21swapper/111:35:131
111391230,0ptp4l0-21swapper/110:05:101
111391230,0ptp4l0-21swapper/109:20:151
111391230,0ptp4l0-21swapper/109:16:091
111391230,0ptp4l0-21swapper/108:55:171
111391230,0ptp4l0-21swapper/108:35:011
111391230,0ptp4l0-21swapper/108:10:011
111391230,0ptp4l0-21swapper/108:00:121
111391230,0ptp4l0-21swapper/107:25:141
111391230,0ptp4l0-21swapper/107:20:151
111391230,0ptp4l0-21swapper/011:37:140
111391230,0ptp4l0-21swapper/011:30:200
111391230,0ptp4l0-21swapper/010:35:140
111391230,0ptp4l0-21swapper/009:28:360
111391230,0ptp4l0-21swapper/009:17:370
111391230,0ptp4l0-21swapper/008:45:150
111391230,0ptp4l0-21swapper/008:25:150
111391230,0ptp4l0-21swapper/007:50:190
111391220,0ptp4l0-21swapper/612:32:596
111391220,0ptp4l0-21swapper/612:06:166
111391220,0ptp4l0-21swapper/609:20:436
111391220,0ptp4l0-21swapper/512:20:145
111391220,0ptp4l0-21swapper/511:15:595
111391220,0ptp4l0-21swapper/511:00:285
111391220,0ptp4l0-21swapper/510:46:335
111391220,0ptp4l0-21swapper/510:40:135
111391220,0ptp4l0-21swapper/509:51:385
111391220,0ptp4l0-21swapper/509:51:375
111391220,0ptp4l0-21swapper/509:35:195
111391220,0ptp4l0-21swapper/508:25:145
111391220,0ptp4l0-21swapper/507:55:125
111391220,0ptp4l0-21swapper/412:13:164
111391220,0ptp4l0-21swapper/412:07:284
111391220,0ptp4l0-21swapper/411:38:374
111391220,0ptp4l0-21swapper/411:28:134
111391220,0ptp4l0-21swapper/411:05:454
111391220,0ptp4l0-21swapper/410:17:364
111391220,0ptp4l0-21swapper/409:09:164
111391220,0ptp4l0-21swapper/408:40:004
111391220,0ptp4l0-21swapper/407:55:174
111391220,0ptp4l0-21swapper/407:30:144
111391220,0ptp4l0-21swapper/311:59:243
111391220,0ptp4l0-21swapper/309:18:583
111391220,0ptp4l0-21swapper/212:20:352
111391220,0ptp4l0-21swapper/212:06:192
111391220,0ptp4l0-21swapper/210:09:212
111391220,0ptp4l0-21swapper/111:16:011
111391220,0ptp4l0-21swapper/109:52:431
111391220,0ptp4l0-21swapper/109:52:431
111391220,0ptp4l0-21swapper/109:00:151
111391220,0ptp4l0-21swapper/107:55:131
111391220,0ptp4l0-21swapper/107:50:011
111391220,0ptp4l0-21swapper/107:45:121
111391220,0ptp4l0-21swapper/107:40:151
111391220,0ptp4l0-21swapper/012:34:220
111391220,0ptp4l0-21swapper/011:52:070
111391220,0ptp4l0-21swapper/011:40:560
111391220,0ptp4l0-21swapper/011:25:310
111391220,0ptp4l0-21swapper/011:21:140
111391220,0ptp4l0-21swapper/011:05:100
111391220,0ptp4l0-21swapper/010:40:140
111391220,0ptp4l0-21swapper/010:30:360
111391220,0ptp4l0-21swapper/010:15:110
111391220,0ptp4l0-21swapper/009:40:170
111391220,0ptp4l0-21swapper/009:00:100
111391220,0ptp4l0-21swapper/007:55:180
111391220,0ptp4l0-21swapper/007:40:130
111391220,0ptp4l0-21swapper/007:30:140
111391210,0ptp4l0-21swapper/711:59:257
111391210,0ptp4l0-21swapper/707:32:387
111391210,0ptp4l0-21swapper/611:53:186
111391210,0ptp4l0-21swapper/610:51:096
111391210,0ptp4l0-21swapper/508:45:465
111391210,0ptp4l0-21swapper/408:34:564
111391210,0ptp4l0-21swapper/407:35:204
111391210,0ptp4l0-21swapper/312:16:013
111391210,0ptp4l0-21swapper/212:19:262
111391210,0ptp4l0-21swapper/210:03:312
111391210,0ptp4l0-21swapper/109:46:171
111391210,0ptp4l0-21swapper/108:15:451
111391210,0ptp4l0-21swapper/107:14:451
111391210,0ptp4l0-21swapper/107:14:441
111391210,0ptp4l0-21swapper/012:15:480
111391210,0ptp4l0-21swapper/008:32:160
111391210,0ptp4l0-21swapper/007:27:150
111391210,0ptp4l0-21swapper/007:15:190
111391210,0ptp4l0-21swapper/007:15:190
111391200,0ptp4l721ktimersoftd/712:15:547
111391200,0ptp4l0-21swapper/609:42:546
111391200,0ptp4l0-21swapper/608:47:156
111391200,0ptp4l0-21swapper/408:55:474
111391200,0ptp4l0-21swapper/408:16:464
111391200,0ptp4l0-21swapper/408:06:264
111391200,0ptp4l0-21swapper/408:04:154
111391200,0ptp4l0-21swapper/407:50:204
111391200,0ptp4l0-21swapper/307:27:503
111391200,0ptp4l0-21swapper/211:53:162
111391200,0ptp4l0-21swapper/211:13:512
111391200,0ptp4l0-21swapper/210:51:072
111391200,0ptp4l0-21swapper/209:42:562
111391200,0ptp4l0-21swapper/209:20:402
111391200,0ptp4l0-21swapper/207:32:282
111391200,0ptp4l0-21swapper/108:46:281
111391190,0ptp4l24724-21pgrep07:45:454
111391190,0ptp4l0-21swapper/611:13:526
111391190,0ptp4l0-21swapper/610:03:316
111391190,0ptp4l0-21swapper/212:29:332
111391190,0ptp4l0-21swapper/212:29:332
111391190,0ptp4l0-21swapper/209:32:052
111391190,0ptp4l0-21swapper/008:57:440
111391190,0ptp4l0-21swapper/008:42:460
111391180,0ptp4l0-21swapper/507:12:055
111391180,0ptp4l0-21swapper/507:12:045
111391180,0ptp4l0-21swapper/407:24:314
111391180,0ptp4l0-21swapper/108:25:121
111391180,0ptp4l0-21swapper/008:04:530
111391170,0ptp4l0-21swapper/408:50:194
111391170,0ptp4l0-21swapper/107:30:191
111391160,1ptp4l41-21ksoftirqd/307:17:143
111391160,1ptp4l41-21ksoftirqd/307:17:143
111391160,0ptp4l0-21swapper/611:35:406
111391160,0ptp4l0-21swapper/408:40:354
111391160,0ptp4l0-21swapper/211:35:402
111391160,0ptp4l0-21swapper/008:39:580
6354991511,3cyclictest18567-21turbostat09:40:006
111391150,0ptp4l0-21swapper/707:27:337
111391150,0ptp4l0-21swapper/707:17:157
111391150,0ptp4l0-21swapper/707:17:157
111391150,0ptp4l0-21swapper/612:20:296
111391150,0ptp4l0-21swapper/609:32:066
111391150,0ptp4l0-21swapper/608:54:116
111391150,0ptp4l0-21swapper/607:32:296
111391150,0ptp4l0-21swapper/408:10:074
111391150,0ptp4l0-21swapper/407:40:314
111391150,0ptp4l0-21swapper/307:32:283
111391150,0ptp4l0-21swapper/208:56:392
111391150,0ptp4l0-21swapper/008:22:350
111391150,0ptp4l0-21swapper/007:35:200
111391150,0ptp4l0-21swapper/007:20:040
111391140,0ptp4l0-21swapper/612:29:356
111391140,0ptp4l0-21swapper/612:29:356
111391140,0ptp4l0-21swapper/608:56:416
111391140,0ptp4l0-21swapper/211:48:552
111391140,0ptp4l0-21swapper/208:47:112
111391140,0ptp4l0-21swapper/208:11:022
6333991310,2cyclictest6260-21turbostat11:40:003
632599110,10cyclictest0-21swapper/210:33:432
636299109,0cyclictest0-21swapper/711:00:297
636299100,9cyclictest0-21swapper/712:33:407
636299100,9cyclictest0-21swapper/711:40:057
635499109,0cyclictest0-21swapper/610:18:336
635499100,9cyclictest0-21swapper/609:56:346
635499100,9cyclictest0-21swapper/609:13:316
632599109,0cyclictest0-21swapper/212:35:222
632599109,0cyclictest0-21swapper/210:11:352
632599109,0cyclictest0-21swapper/209:29:282
632599100,9cyclictest0-21swapper/211:32:402
632599100,9cyclictest0-21swapper/209:12:392
632599100,0cyclictest0-21swapper/210:43:382
63629998,0cyclictest0-21swapper/710:08:567
63629998,0cyclictest0-21swapper/709:25:237
63629998,0cyclictest0-21swapper/709:08:167
63629990,0cyclictest0-21swapper/712:06:197
63629990,0cyclictest0-21swapper/711:48:537
63629990,0cyclictest0-21swapper/711:30:397
63629990,0cyclictest0-21swapper/711:20:357
63629990,0cyclictest0-21swapper/711:10:237
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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