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2026-04-26 - 21:57

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 Apr 26, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310572660,0sleep20-21swapper/209:00:182
111391660,14ptp4l9-21ksoftirqd/007:05:210
111391630,29ptp4l0-21swapper/107:09:291
1881916049,6phc2sys0-21swapper/207:07:182
111391600,5ptp4l0-21swapper/407:09:144
228302580,0sleep50-21swapper/510:19:525
140352570,0sleep00-21swapper/010:50:140
111391550,5ptp4l0-21swapper/507:05:215
1881915433,6phc2sys0-21swapper/607:08:296
876925331,7sleep70-21swapper/707:05:147
1036624736,7sleep30-21swapper/307:08:543
289672440,0sleep60-21swapper/611:51:496
111391350,0ptp4l0-21swapper/410:51:454
111391340,0ptp4l0-21swapper/010:36:060
111391330,0ptp4l0-21swapper/509:52:085
111391330,0ptp4l0-21swapper/411:25:434
111391330,0ptp4l0-21swapper/010:10:500
111391330,0ptp4l0-21swapper/010:10:490
111391320,3ptp4l0-21swapper/412:30:164
111391320,0ptp4l7473-21ssh09:59:444
111391320,0ptp4l0-21swapper/711:17:567
111391320,0ptp4l0-21swapper/409:48:174
111391320,0ptp4l0-21swapper/012:15:570
111391320,0ptp4l0-21swapper/012:08:160
111391310,0ptp4l0-21swapper/710:20:177
111391310,0ptp4l0-21swapper/512:31:315
111391310,0ptp4l0-21swapper/412:37:104
111391310,0ptp4l0-21swapper/411:52:204
111391310,0ptp4l0-21swapper/411:22:124
111391310,0ptp4l0-21swapper/409:30:154
111391310,0ptp4l0-21swapper/409:24:314
111391310,0ptp4l0-21swapper/407:55:124
111391310,0ptp4l0-21swapper/012:04:250
111391310,0ptp4l0-21swapper/011:54:350
111391310,0ptp4l0-21swapper/011:20:230
111391310,0ptp4l0-21swapper/010:31:370
111391310,0ptp4l0-21swapper/010:21:060
111391310,0ptp4l0-21swapper/009:24:520
111391300,2ptp4l0-21swapper/410:31:564
111391300,0ptp4l0-21swapper/611:49:336
111391300,0ptp4l0-21swapper/411:42:274
111391300,0ptp4l0-21swapper/410:20:104
111391300,0ptp4l0-21swapper/410:10:074
111391300,0ptp4l0-21swapper/410:10:064
111391300,0ptp4l0-21swapper/012:38:250
111391300,0ptp4l0-21swapper/010:41:370
111391290,3ptp4l0-21swapper/409:44:044
111391290,3ptp4l0-21swapper/012:34:090
111391290,0ptp4l0-21swapper/411:59:154
111391290,0ptp4l0-21swapper/411:39:514
111391290,0ptp4l0-21swapper/409:14:484
111391290,0ptp4l0-21swapper/111:12:121
111391290,0ptp4l0-21swapper/110:31:481
111391290,0ptp4l0-21swapper/011:10:250
111391290,0ptp4l0-21swapper/009:41:340
111391290,0ptp4l0-21swapper/009:29:360
111391290,0ptp4l0-21swapper/007:45:130
111391280,1ptp4l0-21swapper/411:09:214
111391280,0ptp4l0-21swapper/411:04:234
111391280,0ptp4l0-21swapper/410:56:524
111391280,0ptp4l0-21swapper/409:52:094
111391280,0ptp4l0-21swapper/409:38:594
111391280,0ptp4l0-21swapper/409:19:444
111391280,0ptp4l0-21swapper/011:40:200
111391280,0ptp4l0-21swapper/011:32:420
111391280,0ptp4l0-21swapper/009:52:190
111391280,0ptp4l0-21swapper/009:38:240
111391270,6ptp4l7866-21kworker/0:211:36:150
111391270,3ptp4l721ktimersoftd/711:05:577
111391270,1ptp4l0-21swapper/412:23:184
111391270,0ptp4l25571-21ssh11:48:054
111391270,0ptp4l0-21swapper/412:17:384
111391270,0ptp4l0-21swapper/412:01:324
111391270,0ptp4l0-21swapper/411:16:564
111391270,0ptp4l0-21swapper/410:47:534
111391270,0ptp4l0-21swapper/011:49:500
111391270,0ptp4l0-21swapper/009:59:210
111391260,3ptp4l0-21swapper/411:10:594
111391260,1ptp4l20074-21irqstats10:15:161
111391260,0ptp4l0-21swapper/412:06:224
111391260,0ptp4l0-21swapper/410:26:204
111391260,0ptp4l0-21swapper/012:26:400
111391260,0ptp4l0-21swapper/012:20:220
111391260,0ptp4l0-21swapper/012:13:160
111391260,0ptp4l0-21swapper/010:15:010
111391250,3ptp4l0-21swapper/408:30:464
111391250,0ptp4l0-21swapper/412:27:144
111391250,0ptp4l0-21swapper/410:43:104
111391250,0ptp4l0-21swapper/409:25:094
111391250,0ptp4l0-21swapper/409:05:194
111391250,0ptp4l0-21swapper/408:10:154
111391250,0ptp4l0-21swapper/408:01:414
111391250,0ptp4l0-21swapper/407:50:124
111391250,0ptp4l0-21swapper/407:15:014
111391250,0ptp4l0-21swapper/210:15:312
111391250,0ptp4l0-21swapper/112:38:481
111391250,0ptp4l0-21swapper/011:55:180
111391250,0ptp4l0-21swapper/011:15:460
111391250,0ptp4l0-21swapper/011:01:280
111391250,0ptp4l0-21swapper/010:55:170
111391250,0ptp4l0-21swapper/010:45:540
111391250,0ptp4l0-21swapper/010:09:370
111391250,0ptp4l0-21swapper/009:10:180
111391250,0ptp4l0-21swapper/008:44:590
111391250,0ptp4l0-21swapper/008:35:000
111391250,0ptp4l0-21swapper/008:03:030
111391250,0ptp4l0-21swapper/007:40:200
111391250,0ptp4l0-21swapper/007:10:200
111391240,2ptp4l0-21swapper/408:57:284
111391240,1ptp4l993-21unixbench_multi09:05:200
111391240,1ptp4l19026-21cat08:35:150
111391240,1ptp4l16427-21idleruntime07:20:133
111391240,0ptp4l0-21swapper/607:35:466
111391240,0ptp4l0-21swapper/512:20:215
111391240,0ptp4l0-21swapper/511:40:185
111391240,0ptp4l0-21swapper/412:10:314
111391240,0ptp4l0-21swapper/411:30:104
111391240,0ptp4l0-21swapper/410:35:204
111391240,0ptp4l0-21swapper/410:15:134
111391240,0ptp4l0-21swapper/410:00:214
111391240,0ptp4l0-21swapper/409:00:174
111391240,0ptp4l0-21swapper/408:45:174
111391240,0ptp4l0-21swapper/408:05:184
111391240,0ptp4l0-21swapper/407:34:164
111391240,0ptp4l0-21swapper/407:34:154
111391240,0ptp4l0-21swapper/407:25:224
111391240,0ptp4l0-21swapper/111:24:571
111391240,0ptp4l0-21swapper/109:40:111
111391240,0ptp4l0-21swapper/109:34:081
111391240,0ptp4l0-21swapper/009:47:390
111391240,0ptp4l0-21swapper/009:30:150
111391240,0ptp4l0-21swapper/008:50:210
111391240,0ptp4l0-21swapper/008:27:350
111391240,0ptp4l0-21swapper/008:18:410
111391240,0ptp4l0-21swapper/007:55:190
111391240,0ptp4l0-21swapper/007:37:490
111391230,1ptp4l8215-21users08:10:200
111391230,1ptp4l4912-21ssh12:03:371
111391230,1ptp4l12279-21fw_forwarded_lo10:05:134
111391230,1ptp4l101ktimersoftd/010:29:490
111391230,0ptp4l0-21swapper/711:37:317
111391230,0ptp4l0-21swapper/709:21:277
111391230,0ptp4l0-21swapper/708:15:147
111391230,0ptp4l0-21swapper/707:20:147
111391230,0ptp4l0-21swapper/609:27:046
111391230,0ptp4l0-21swapper/510:06:565
111391230,0ptp4l0-21swapper/509:32:395
111391230,0ptp4l0-21swapper/509:19:565
111391230,0ptp4l0-21swapper/507:23:585
111391230,0ptp4l0-21swapper/408:40:214
111391230,0ptp4l0-21swapper/408:35:144
111391230,0ptp4l0-21swapper/407:45:164
111391230,0ptp4l0-21swapper/407:35:124
111391230,0ptp4l0-21swapper/407:10:114
111391230,0ptp4l0-21swapper/310:20:183
111391230,0ptp4l0-21swapper/111:50:161
111391230,0ptp4l0-21swapper/111:38:541
111391230,0ptp4l0-21swapper/111:30:141
111391230,0ptp4l0-21swapper/111:19:591
111391230,0ptp4l0-21swapper/110:35:461
111391230,0ptp4l0-21swapper/110:29:131
111391230,0ptp4l0-21swapper/110:02:461
111391230,0ptp4l0-21swapper/109:37:051
111391230,0ptp4l0-21swapper/109:25:121
111391230,0ptp4l0-21swapper/109:16:061
111391230,0ptp4l0-21swapper/011:29:080
111391230,0ptp4l0-21swapper/011:05:150
111391230,0ptp4l0-21swapper/010:00:180
111391230,0ptp4l0-21swapper/009:15:200
111391230,0ptp4l0-21swapper/009:00:190
111391230,0ptp4l0-21swapper/008:55:140
111391230,0ptp4l0-21swapper/008:45:210
111391230,0ptp4l0-21swapper/008:20:210
111391230,0ptp4l0-21swapper/007:50:170
111391230,0ptp4l0-21swapper/007:30:160
111391230,0ptp4l0-21swapper/007:30:150
111391230,0ptp4l0-21swapper/007:24:020
111391230,0ptp4l0-21swapper/007:15:170
111391220,1ptp4l1490-21kworker/2:009:10:462
111391220,0ptp4l1460-21diskmemload10:44:141
111391220,0ptp4l0-21swapper/712:30:337
111391220,0ptp4l0-21swapper/710:03:057
111391220,0ptp4l0-21swapper/709:29:177
111391220,0ptp4l0-21swapper/612:38:136
111391220,0ptp4l0-21swapper/612:20:016
111391220,0ptp4l0-21swapper/611:16:346
111391220,0ptp4l0-21swapper/609:53:186
111391220,0ptp4l0-21swapper/609:46:006
111391220,0ptp4l0-21swapper/609:14:276
111391220,0ptp4l0-21swapper/512:27:055
111391220,0ptp4l0-21swapper/512:19:135
111391220,0ptp4l0-21swapper/511:50:165
111391220,0ptp4l0-21swapper/511:30:155
111391220,0ptp4l0-21swapper/511:26:015
111391220,0ptp4l0-21swapper/511:24:595
111391220,0ptp4l0-21swapper/510:45:065
111391220,0ptp4l0-21swapper/510:29:515
111391220,0ptp4l0-21swapper/510:02:455
111391220,0ptp4l0-21swapper/509:40:145
111391220,0ptp4l0-21swapper/509:39:165
111391220,0ptp4l0-21swapper/509:25:135
111391220,0ptp4l0-21swapper/509:22:375
111391220,0ptp4l0-21swapper/507:25:155
111391220,0ptp4l0-21swapper/408:50:124
111391220,0ptp4l0-21swapper/408:25:134
111391220,0ptp4l0-21swapper/408:20:164
111391220,0ptp4l0-21swapper/407:40:184
111391220,0ptp4l0-21swapper/312:30:313
111391220,0ptp4l0-21swapper/311:37:503
111391220,0ptp4l0-21swapper/311:18:023
111391220,0ptp4l0-21swapper/311:06:193
111391220,0ptp4l0-21swapper/309:21:293
111391220,0ptp4l0-21swapper/308:15:123
111391220,0ptp4l0-21swapper/212:17:462
111391220,0ptp4l0-21swapper/211:49:382
111391220,0ptp4l0-21swapper/210:01:492
111391220,0ptp4l0-21swapper/209:53:132
111391220,0ptp4l0-21swapper/209:46:032
111391220,0ptp4l0-21swapper/209:20:142
111391220,0ptp4l0-21swapper/112:30:171
111391220,0ptp4l0-21swapper/112:26:571
111391220,0ptp4l0-21swapper/112:15:241
111391220,0ptp4l0-21swapper/111:40:431
111391220,0ptp4l0-21swapper/111:25:151
111391220,0ptp4l0-21swapper/110:47:571
111391220,0ptp4l0-21swapper/110:10:151
111391220,0ptp4l0-21swapper/110:10:141
111391220,0ptp4l0-21swapper/109:59:341
111391220,0ptp4l0-21swapper/109:53:041
111391220,0ptp4l0-21swapper/109:47:271
111391220,0ptp4l0-21swapper/108:35:181
111391220,0ptp4l0-21swapper/108:25:181
111391220,0ptp4l0-21swapper/008:07:430
111391220,0ptp4l0-21swapper/007:25:140
111391210,3ptp4l481ktimersoftd/408:17:224
111391210,0ptp4l0-21swapper/611:41:536
111391210,0ptp4l0-21swapper/610:15:306
111391210,0ptp4l0-21swapper/610:01:456
111391210,0ptp4l0-21swapper/609:59:436
111391210,0ptp4l0-21swapper/609:17:146
111391210,0ptp4l0-21swapper/607:25:586
111391210,0ptp4l0-21swapper/512:02:125
111391210,0ptp4l0-21swapper/511:58:195
111391210,0ptp4l0-21swapper/511:37:265
111391210,0ptp4l0-21swapper/510:36:355
111391210,0ptp4l0-21swapper/510:30:495
111391210,0ptp4l0-21swapper/510:21:305
111391210,0ptp4l0-21swapper/510:14:185
111391210,0ptp4l0-21swapper/510:14:175
111391210,0ptp4l0-21swapper/509:57:345
111391210,0ptp4l0-21swapper/509:47:335
111391210,0ptp4l0-21swapper/310:03:083
111391210,0ptp4l0-21swapper/212:21:472
111391210,0ptp4l0-21swapper/211:16:352
111391210,0ptp4l0-21swapper/209:42:452
111391210,0ptp4l0-21swapper/209:26:582
111391210,0ptp4l0-21swapper/207:40:372
111391210,0ptp4l0-21swapper/112:20:341
111391210,0ptp4l0-21swapper/111:59:081
111391210,0ptp4l0-21swapper/111:09:051
111391210,0ptp4l0-21swapper/110:58:431
111391210,0ptp4l0-21swapper/110:21:561
111391210,0ptp4l0-21swapper/110:05:081
111391210,0ptp4l0-21swapper/109:20:321
111391210,0ptp4l0-21swapper/108:33:381
111391200,0ptp4l0-21swapper/711:14:077
111391200,0ptp4l0-21swapper/612:25:146
111391200,0ptp4l0-21swapper/610:49:476
111391200,0ptp4l0-21swapper/512:37:415
111391200,0ptp4l0-21swapper/512:10:115
111391200,0ptp4l0-21swapper/511:49:445
111391200,0ptp4l0-21swapper/511:13:245
111391200,0ptp4l0-21swapper/511:09:105
111391200,0ptp4l0-21swapper/510:52:095
111391200,0ptp4l0-21swapper/509:11:565
111391200,0ptp4l0-21swapper/508:24:555
111391200,0ptp4l0-21swapper/407:23:374
111391200,0ptp4l0-21swapper/311:14:033
111391200,0ptp4l0-21swapper/308:29:443
111391200,0ptp4l0-21swapper/212:38:152
111391200,0ptp4l0-21swapper/212:25:152
111391200,0ptp4l0-21swapper/209:17:152
111391200,0ptp4l0-21swapper/209:05:142
111391200,0ptp4l0-21swapper/110:52:081
111391200,0ptp4l0-21swapper/109:10:071
111391190,0ptp4l0-21swapper/612:20:026
111391190,0ptp4l0-21swapper/609:42:436
111391190,0ptp4l0-21swapper/609:20:156
111391190,0ptp4l0-21swapper/609:05:146
111391190,0ptp4l0-21swapper/511:19:155
111391190,0ptp4l0-21swapper/510:44:155
111391190,0ptp4l0-21swapper/507:39:385
111391190,0ptp4l0-21swapper/207:46:372
111391190,0ptp4l0-21swapper/107:27:371
111391190,0ptp4l0-21swapper/107:23:441
111391180,0ptp4l0-21swapper/611:27:096
111391180,0ptp4l0-21swapper/210:48:202
111391180,0ptp4l0-21swapper/210:36:022
111391180,0ptp4l0-21swapper/112:10:551
111391180,0ptp4l0-21swapper/111:49:451
111391180,0ptp4l0-21swapper/109:04:281
111391170,2ptp4l0-21swapper/107:19:331
111391170,0ptp4l0-21swapper/510:56:575
111391170,0ptp4l0-21swapper/508:54:005
111391170,0ptp4l0-21swapper/209:59:412
111391170,0ptp4l0-21swapper/108:09:221
111391160,0ptp4l0-21swapper/708:23:087
111391160,0ptp4l0-21swapper/508:25:195
111391160,0ptp4l0-21swapper/308:23:443
111391160,0ptp4l0-21swapper/211:41:522
111391160,0ptp4l0-21swapper/207:16:282
111391160,0ptp4l0-21swapper/108:56:591
111391160,0ptp4l0-21swapper/108:50:421
111391160,0ptp4l0-21swapper/108:44:081
111391160,0ptp4l0-21swapper/107:59:441
111391160,0ptp4l0-21swapper/107:48:541
111391160,0ptp4l0-21swapper/107:42:391
111391150,0ptp4l0-21swapper/708:29:447
111391150,0ptp4l0-21swapper/708:14:547
111391150,0ptp4l0-21swapper/707:32:027
111391150,0ptp4l0-21swapper/707:32:017
111391150,0ptp4l0-21swapper/707:19:587
111391150,0ptp4l0-21swapper/609:00:446
111391150,0ptp4l0-21swapper/608:58:566
111391150,0ptp4l0-21swapper/608:53:336
111391150,0ptp4l0-21swapper/608:03:286
111391150,0ptp4l0-21swapper/607:57:486
111391150,0ptp4l0-21swapper/607:46:316
111391150,0ptp4l0-21swapper/607:40:436
111391150,0ptp4l0-21swapper/607:16:266
111391150,0ptp4l0-21swapper/607:14:066
111391150,0ptp4l0-21swapper/509:05:045
111391150,0ptp4l0-21swapper/509:01:415
111391150,0ptp4l0-21swapper/508:55:345
111391150,0ptp4l0-21swapper/508:47:465
111391150,0ptp4l0-21swapper/508:41:245
111391150,0ptp4l0-21swapper/508:35:315
111391150,0ptp4l0-21swapper/508:31:545
111391150,0ptp4l0-21swapper/508:07:395
111391150,0ptp4l0-21swapper/508:01:005
111391150,0ptp4l0-21swapper/507:56:545
111391150,0ptp4l0-21swapper/507:52:105
111391150,0ptp4l0-21swapper/507:45:055
111391150,0ptp4l0-21swapper/507:40:065
111391150,0ptp4l0-21swapper/507:32:395
111391150,0ptp4l0-21swapper/507:32:385
111391150,0ptp4l0-21swapper/507:16:595
111391150,0ptp4l0-21swapper/507:11:245
111391150,0ptp4l0-21swapper/309:29:193
111391150,0ptp4l0-21swapper/211:27:082
111391150,0ptp4l0-21swapper/209:39:502
111391150,0ptp4l0-21swapper/208:58:592
111391150,0ptp4l0-21swapper/208:53:412
111391150,0ptp4l0-21swapper/207:57:472
111391150,0ptp4l0-21swapper/207:35:492
111391150,0ptp4l0-21swapper/207:32:222
111391150,0ptp4l0-21swapper/207:32:212
111391150,0ptp4l0-21swapper/207:25:522
111391150,0ptp4l0-21swapper/109:05:031
111391150,0ptp4l0-21swapper/108:47:511
111391150,0ptp4l0-21swapper/108:15:571
111391150,0ptp4l0-21swapper/108:13:471
111391150,0ptp4l0-21swapper/108:00:571
111391150,0ptp4l0-21swapper/107:52:081
111391150,0ptp4l0-21swapper/107:38:141
111391150,0ptp4l0-21swapper/107:32:361
111391150,0ptp4l0-21swapper/107:32:351
111391150,0ptp4l0-21swapper/107:11:191
1074399150,1cyclictest0-21swapper/307:50:153
111391140,0ptp4l0-21swapper/608:41:006
111391140,0ptp4l0-21swapper/608:05:336
111391140,0ptp4l0-21swapper/607:32:216
111391140,0ptp4l0-21swapper/607:32:206
111391140,0ptp4l0-21swapper/508:18:215
111391140,0ptp4l0-21swapper/508:13:115
111391140,0ptp4l0-21swapper/308:14:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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