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2025-11-22 - 18:09

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 Sat Nov 22, 2025 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1309627041,15sleep30-21swapper/307:07:303
114091640,5ptp4l0-21swapper/407:07:304
251672630,0sleep00-21swapper/011:01:400
114091610,5ptp4l0-21swapper/007:08:530
1293625949,6sleep70-21swapper/707:05:267
1309925645,6sleep60-21swapper/607:07:336
169842550,0sleep50-21swapper/510:08:425
169842550,0sleep50-21swapper/510:08:425
1296025433,7sleep20-21swapper/207:05:452
1315825038,7sleep10-21swapper/107:08:171
1303624534,7sleep50-21swapper/507:06:455
114091330,0ptp4l0-21swapper/611:20:136
114091320,3ptp4l0-21swapper/108:30:211
114091320,0ptp4l0-21swapper/110:38:591
114091320,0ptp4l0-21swapper/109:26:221
114091310,1ptp4l31068-21crond09:45:006
114091310,0ptp4l0-21swapper/110:28:091
114091310,0ptp4l0-21swapper/109:21:271
114091300,2ptp4l0-21swapper/107:23:411
114091300,0ptp4l0-21swapper/511:53:405
114091300,0ptp4l0-21swapper/508:10:145
114091300,0ptp4l0-21swapper/111:21:121
114091300,0ptp4l0-21swapper/111:04:141
114091300,0ptp4l0-21swapper/110:58:371
114091300,0ptp4l0-21swapper/110:30:141
114091300,0ptp4l0-21swapper/109:30:391
114091300,0ptp4l0-21swapper/108:55:001
114091290,0ptp4l0-21swapper/711:09:007
114091290,0ptp4l0-21swapper/512:31:575
114091290,0ptp4l0-21swapper/512:04:225
114091290,0ptp4l0-21swapper/510:57:505
114091290,0ptp4l0-21swapper/510:36:175
114091290,0ptp4l0-21swapper/411:04:134
114091290,0ptp4l0-21swapper/209:46:292
114091290,0ptp4l0-21swapper/109:55:341
114091290,0ptp4l0-21swapper/011:59:570
114091280,3ptp4l0-21swapper/511:33:415
114091280,1ptp4l121rcu_preempt12:15:175
114091280,0ptp4l0-21swapper/512:22:215
114091280,0ptp4l0-21swapper/510:45:165
114091280,0ptp4l0-21swapper/509:05:075
114091280,0ptp4l0-21swapper/508:44:415
114091280,0ptp4l0-21swapper/410:28:254
114091280,0ptp4l0-21swapper/410:13:374
114091280,0ptp4l0-21swapper/112:23:171
114091280,0ptp4l0-21swapper/112:08:471
114091280,0ptp4l0-21swapper/111:10:291
114091280,0ptp4l0-21swapper/110:16:501
114091280,0ptp4l0-21swapper/009:57:280
114091280,0ptp4l0-21swapper/009:47:580
69762270,0sleep5551rcuc/509:11:375
114091270,0ptp4l0-21swapper/709:00:217
114091270,0ptp4l0-21swapper/610:07:466
114091270,0ptp4l0-21swapper/610:07:466
114091270,0ptp4l0-21swapper/512:28:105
114091270,0ptp4l0-21swapper/511:47:285
114091270,0ptp4l0-21swapper/511:43:195
114091270,0ptp4l0-21swapper/510:42:475
114091270,0ptp4l0-21swapper/509:15:535
114091270,0ptp4l0-21swapper/210:06:202
114091270,0ptp4l0-21swapper/210:06:202
114091270,0ptp4l0-21swapper/111:50:521
114091270,0ptp4l0-21swapper/110:52:281
114091270,0ptp4l0-21swapper/109:50:501
114091270,0ptp4l0-21swapper/010:37:550
114091270,0ptp4l0-21swapper/009:35:140
114091260,3ptp4l0-21swapper/512:06:165
114091260,1ptp4l17478-21kworker/0:111:25:170
114091260,0ptp4l0-21swapper/710:19:297
114091260,0ptp4l0-21swapper/512:36:155
114091260,0ptp4l0-21swapper/511:14:585
114091260,0ptp4l0-21swapper/511:00:055
114091260,0ptp4l0-21swapper/510:33:565
114091260,0ptp4l0-21swapper/509:38:195
114091260,0ptp4l0-21swapper/509:20:065
114091260,0ptp4l0-21swapper/412:09:434
114091260,0ptp4l0-21swapper/411:44:054
114091260,0ptp4l0-21swapper/211:49:052
114091260,0ptp4l0-21swapper/109:05:491
114091260,0ptp4l0-21swapper/108:45:161
114091260,0ptp4l0-21swapper/012:34:540
114091260,0ptp4l0-21swapper/010:43:370
114091260,0ptp4l0-21swapper/007:14:590
114091250,1ptp4l87350irq/31-eno1-rx-11:57:045
114091250,0ptp4l4437-21diskmemload09:47:324
114091250,0ptp4l0-21swapper/511:29:265
114091250,0ptp4l0-21swapper/511:06:595
114091250,0ptp4l0-21swapper/510:52:145
114091250,0ptp4l0-21swapper/510:26:305
114091250,0ptp4l0-21swapper/508:00:175
114091250,0ptp4l0-21swapper/410:05:474
114091250,0ptp4l0-21swapper/410:05:474
114091250,0ptp4l0-21swapper/410:03:524
114091250,0ptp4l0-21swapper/408:55:164
114091250,0ptp4l0-21swapper/310:18:073
114091250,0ptp4l0-21swapper/212:24:212
114091250,0ptp4l0-21swapper/211:37:482
114091250,0ptp4l0-21swapper/112:26:271
114091250,0ptp4l0-21swapper/112:00:111
114091250,0ptp4l0-21swapper/111:33:311
114091250,0ptp4l0-21swapper/110:46:381
114091250,0ptp4l0-21swapper/109:39:191
114091250,0ptp4l0-21swapper/012:06:200
114091250,0ptp4l0-21swapper/010:29:570
114091240,3ptp4l0-21swapper/712:32:207
114091240,3ptp4l0-21swapper/111:42:351
114091240,0ptp4l0-21swapper/709:22:327
114091240,0ptp4l0-21swapper/609:47:236
114091240,0ptp4l0-21swapper/511:39:565
114091240,0ptp4l0-21swapper/510:12:595
114091240,0ptp4l0-21swapper/510:00:205
114091240,0ptp4l0-21swapper/509:59:195
114091240,0ptp4l0-21swapper/508:50:135
114091240,0ptp4l0-21swapper/507:55:185
114091240,0ptp4l0-21swapper/507:50:195
114091240,0ptp4l0-21swapper/507:40:215
114091240,0ptp4l0-21swapper/507:10:145
114091240,0ptp4l0-21swapper/410:46:164
114091240,0ptp4l0-21swapper/409:52:254
114091240,0ptp4l0-21swapper/312:38:273
114091240,0ptp4l0-21swapper/211:23:172
114091240,0ptp4l0-21swapper/207:30:162
114091240,0ptp4l0-21swapper/207:30:152
114091240,0ptp4l0-21swapper/112:31:461
114091240,0ptp4l0-21swapper/111:58:381
114091240,0ptp4l0-21swapper/111:45:141
114091240,0ptp4l0-21swapper/110:41:251
114091240,0ptp4l0-21swapper/108:40:171
114091240,0ptp4l0-21swapper/108:05:221
114091240,0ptp4l0-21swapper/107:45:181
114091240,0ptp4l0-21swapper/010:11:570
114091240,0ptp4l0-21swapper/008:45:130
114091230,2ptp4l0-21swapper/109:44:161
114091230,1ptp4l5216-21ssh09:52:035
114091230,1ptp4l28452-21smartctl07:40:151
114091230,1ptp4l14017-21ps11:30:160
114091230,1ptp4l12449-21irqstats10:45:180
114091230,1ptp4l12264-21kworker/5:209:29:005
114091230,0ptp4l26770-21smart_sda08:45:185
114091230,0ptp4l0-21swapper/710:20:217
114091230,0ptp4l0-21swapper/609:55:196
114091230,0ptp4l0-21swapper/607:30:156
114091230,0ptp4l0-21swapper/607:30:156
114091230,0ptp4l0-21swapper/512:12:005
114091230,0ptp4l0-21swapper/511:15:225
114091230,0ptp4l0-21swapper/509:49:575
114091230,0ptp4l0-21swapper/509:40:205
114091230,0ptp4l0-21swapper/509:32:365
114091230,0ptp4l0-21swapper/507:45:215
114091230,0ptp4l0-21swapper/507:25:125
114091230,0ptp4l0-21swapper/507:25:115
114091230,0ptp4l0-21swapper/507:15:475
114091230,0ptp4l0-21swapper/412:10:194
114091230,0ptp4l0-21swapper/411:55:204
114091230,0ptp4l0-21swapper/411:21:514
114091230,0ptp4l0-21swapper/410:50:204
114091230,0ptp4l0-21swapper/410:35:214
114091230,0ptp4l0-21swapper/409:20:164
114091230,0ptp4l0-21swapper/409:18:104
114091230,0ptp4l0-21swapper/408:20:154
114091230,0ptp4l0-21swapper/407:20:234
114091230,0ptp4l0-21swapper/407:15:134
114091230,0ptp4l0-21swapper/310:22:313
114091230,0ptp4l0-21swapper/209:55:142
114091230,0ptp4l0-21swapper/209:45:002
114091230,0ptp4l0-21swapper/112:35:141
114091230,0ptp4l0-21swapper/112:15:141
114091230,0ptp4l0-21swapper/112:10:071
114091230,0ptp4l0-21swapper/111:25:201
114091230,0ptp4l0-21swapper/111:15:181
114091230,0ptp4l0-21swapper/111:05:171
114091230,0ptp4l0-21swapper/110:10:141
114091230,0ptp4l0-21swapper/110:05:211
114091230,0ptp4l0-21swapper/110:05:201
114091230,0ptp4l0-21swapper/110:00:131
114091230,0ptp4l0-21swapper/109:15:181
114091230,0ptp4l0-21swapper/109:10:161
114091230,0ptp4l0-21swapper/108:55:211
114091230,0ptp4l0-21swapper/108:25:131
114091230,0ptp4l0-21swapper/108:20:221
114091230,0ptp4l0-21swapper/108:15:121
114091230,0ptp4l0-21swapper/108:10:121
114091230,0ptp4l0-21swapper/108:00:161
114091230,0ptp4l0-21swapper/107:55:201
114091230,0ptp4l0-21swapper/107:50:191
114091230,0ptp4l0-21swapper/107:35:151
114091230,0ptp4l0-21swapper/107:15:201
114091230,0ptp4l0-21swapper/107:10:171
114091230,0ptp4l0-21swapper/011:35:200
114091230,0ptp4l0-21swapper/011:10:170
114091230,0ptp4l0-21swapper/011:07:550
114091230,0ptp4l0-21swapper/007:45:180
114091230,0ptp4l0-21swapper/007:40:240
114091230,0ptp4l0-21swapper/007:25:190
114091230,0ptp4l0-21swapper/007:25:180
114091220,1ptp4l19809-21ssh11:38:036
114091220,0ptp4l0-21swapper/712:38:427
114091220,0ptp4l0-21swapper/708:59:047
114091220,0ptp4l0-21swapper/612:24:206
114091220,0ptp4l0-21swapper/611:47:506
114091220,0ptp4l0-21swapper/608:38:186
114091220,0ptp4l0-21swapper/608:22:296
114091220,0ptp4l0-21swapper/608:12:416
114091220,0ptp4l0-21swapper/607:29:536
114091220,0ptp4l0-21swapper/607:29:536
114091220,0ptp4l0-21swapper/511:22:505
114091220,0ptp4l0-21swapper/510:24:425
114091220,0ptp4l0-21swapper/510:15:175
114091220,0ptp4l0-21swapper/508:36:435
114091220,0ptp4l0-21swapper/508:30:115
114091220,0ptp4l0-21swapper/508:25:175
114091220,0ptp4l0-21swapper/508:18:415
114091220,0ptp4l0-21swapper/507:35:175
114091220,0ptp4l0-21swapper/412:24:434
114091220,0ptp4l0-21swapper/411:45:194
114091220,0ptp4l0-21swapper/411:35:174
114091220,0ptp4l0-21swapper/411:30:184
114091220,0ptp4l0-21swapper/411:05:254
114091220,0ptp4l0-21swapper/410:55:204
114091220,0ptp4l0-21swapper/410:43:394
114091220,0ptp4l0-21swapper/409:55:554
114091220,0ptp4l0-21swapper/409:40:144
114091220,0ptp4l0-21swapper/409:38:554
114091220,0ptp4l0-21swapper/409:33:314
114091220,0ptp4l0-21swapper/409:27:534
114091220,0ptp4l0-21swapper/409:12:494
114091220,0ptp4l0-21swapper/409:05:154
114091220,0ptp4l0-21swapper/408:45:144
114091220,0ptp4l0-21swapper/408:35:164
114091220,0ptp4l0-21swapper/408:30:154
114091220,0ptp4l0-21swapper/407:45:194
114091220,0ptp4l0-21swapper/407:25:214
114091220,0ptp4l0-21swapper/407:25:214
114091220,0ptp4l0-21swapper/407:10:194
114091220,0ptp4l0-21swapper/309:21:513
114091220,0ptp4l0-21swapper/309:00:003
114091220,0ptp4l0-21swapper/308:58:513
114091220,0ptp4l0-21swapper/211:25:412
114091220,0ptp4l0-21swapper/211:19:432
114091220,0ptp4l0-21swapper/208:35:142
114091220,0ptp4l0-21swapper/111:35:141
114091220,0ptp4l0-21swapper/110:24:501
114091220,0ptp4l0-21swapper/109:47:101
114091220,0ptp4l0-21swapper/012:15:010
114091220,0ptp4l0-21swapper/011:49:530
114091220,0ptp4l0-21swapper/011:43:240
114091220,0ptp4l0-21swapper/011:15:160
114091220,0ptp4l0-21swapper/010:55:370
114091220,0ptp4l0-21swapper/010:33:310
114091220,0ptp4l0-21swapper/010:23:500
114091220,0ptp4l0-21swapper/010:15:190
114091220,0ptp4l0-21swapper/010:05:140
114091220,0ptp4l0-21swapper/010:05:140
114091220,0ptp4l0-21swapper/009:50:350
114091220,0ptp4l0-21swapper/009:44:420
114091220,0ptp4l0-21swapper/009:34:060
114091220,0ptp4l0-21swapper/009:25:190
114091220,0ptp4l0-21swapper/009:20:150
114091220,0ptp4l0-21swapper/009:12:050
114091220,0ptp4l0-21swapper/008:35:150
114091220,0ptp4l0-21swapper/007:20:190
114091220,0ptp4l0-21swapper/007:15:180
114091210,0ptp4l30547-21sh08:55:130
114091210,0ptp4l0-21swapper/610:34:276
114091210,0ptp4l0-21swapper/609:21:366
114091210,0ptp4l0-21swapper/608:34:416
114091210,0ptp4l0-21swapper/607:11:476
114091210,0ptp4l0-21swapper/509:01:485
114091210,0ptp4l0-21swapper/508:55:225
114091210,0ptp4l0-21swapper/508:06:485
114091210,0ptp4l0-21swapper/507:32:115
114091210,0ptp4l0-21swapper/507:32:105
114091210,0ptp4l0-21swapper/507:20:015
114091210,0ptp4l0-21swapper/412:35:204
114091210,0ptp4l0-21swapper/412:34:094
114091210,0ptp4l0-21swapper/412:25:174
114091210,0ptp4l0-21swapper/412:15:034
114091210,0ptp4l0-21swapper/411:26:054
114091210,0ptp4l0-21swapper/411:18:174
114091210,0ptp4l0-21swapper/411:10:554
114091210,0ptp4l0-21swapper/410:33:334
114091210,0ptp4l0-21swapper/410:15:014
114091210,0ptp4l0-21swapper/407:56:404
114091210,0ptp4l0-21swapper/311:08:383
114091210,0ptp4l0-21swapper/209:21:402
114091210,0ptp4l0-21swapper/208:34:132
114091210,0ptp4l0-21swapper/208:28:422
114091210,0ptp4l0-21swapper/208:22:562
114091210,0ptp4l0-21swapper/208:12:452
114091210,0ptp4l0-21swapper/207:43:412
114091210,0ptp4l0-21swapper/107:33:411
114091210,0ptp4l0-21swapper/107:33:401
114091210,0ptp4l0-21swapper/107:25:121
114091210,0ptp4l0-21swapper/107:25:111
114091210,0ptp4l0-21swapper/012:25:090
114091210,0ptp4l0-21swapper/012:20:220
114091210,0ptp4l0-21swapper/012:10:180
114091210,0ptp4l0-21swapper/011:51:030
114091210,0ptp4l0-21swapper/010:52:210
114091210,0ptp4l0-21swapper/010:01:070
114091210,0ptp4l0-21swapper/009:16:360
114091210,0ptp4l0-21swapper/009:05:190
114091210,0ptp4l0-21swapper/008:52:480
114091210,0ptp4l0-21swapper/008:44:160
114091210,0ptp4l0-21swapper/008:00:000
114091200,2ptp4l0-21swapper/011:21:550
114091200,0ptp4l0-21swapper/611:57:546
114091200,0ptp4l0-21swapper/611:25:396
114091200,0ptp4l0-21swapper/611:19:586
114091200,0ptp4l0-21swapper/610:18:066
114091200,0ptp4l0-21swapper/607:49:566
114091200,0ptp4l0-21swapper/607:42:586
114091200,0ptp4l0-21swapper/508:20:205
114091200,0ptp4l0-21swapper/412:01:334
114091200,0ptp4l0-21swapper/411:51:054
114091200,0ptp4l0-21swapper/407:40:234
114091200,0ptp4l0-21swapper/210:34:322
114091200,0ptp4l0-21swapper/208:42:392
114091200,0ptp4l0-21swapper/012:39:370
114091200,0ptp4l0-21swapper/012:02:190
114091200,0ptp4l0-21swapper/007:59:520
114091190,0ptp4l0-21swapper/410:23:494
114091190,0ptp4l0-21swapper/312:32:083
114091190,0ptp4l0-21swapper/307:27:343
114091190,0ptp4l0-21swapper/307:27:333
114091190,0ptp4l0-21swapper/211:57:522
114091190,0ptp4l0-21swapper/209:04:132
114091190,0ptp4l0-21swapper/207:11:222
114091190,0ptp4l0-21swapper/109:03:551
114091190,0ptp4l0-21swapper/008:20:130
114091190,0ptp4l0-21swapper/007:37:350
114091180,2ptp4l0-21swapper/108:36:251
114091180,0ptp4l0-21swapper/610:46:336
114091180,0ptp4l0-21swapper/408:14:554
114091180,0ptp4l0-21swapper/408:07:054
114091180,0ptp4l0-21swapper/210:46:332
114091180,0ptp4l0-21swapper/210:18:062
114091180,0ptp4l0-21swapper/008:30:180
114091170,0ptp4l0-21swapper/409:00:584
114091170,0ptp4l0-21swapper/408:54:394
114091170,0ptp4l0-21swapper/408:15:194
114091170,0ptp4l0-21swapper/008:07:470
130812160,0sleep60-21swapper/610:03:066
114091160,1ptp4l2223-21taskset07:54:090
114091160,0ptp4l0-21swapper/707:27:267
114091160,0ptp4l0-21swapper/707:27:257
114091160,0ptp4l0-21swapper/610:44:026
114091160,0ptp4l0-21swapper/609:04:166
114091160,0ptp4l0-21swapper/608:43:136
114091160,0ptp4l0-21swapper/608:29:146
114091160,0ptp4l0-21swapper/408:25:574
114091160,0ptp4l0-21swapper/210:44:022
114091160,0ptp4l0-21swapper/008:29:210
114091160,0ptp4l0-21swapper/008:14:070
1360799150,1cyclictest0-21swapper/610:50:196
114091150,0ptp4l0-21swapper/708:50:277
114091150,0ptp4l0-21swapper/408:40:274
114091150,0ptp4l0-21swapper/408:00:044
114091150,0ptp4l0-21swapper/407:50:344
114091150,0ptp4l0-21swapper/407:36:034
114091150,0ptp4l0-21swapper/407:31:524
114091150,0ptp4l0-21swapper/407:31:514
114091150,0ptp4l0-21swapper/207:49:562
114091150,0ptp4l0-21swapper/207:29:452
114091150,0ptp4l0-21swapper/207:29:452
114091150,0ptp4l0-21swapper/009:00:530
114091150,0ptp4l0-21swapper/008:15:480
114091150,0ptp4l0-21swapper/007:31:520
114091150,0ptp4l0-21swapper/007:31:520
1358499140,1cyclictest0-21swapper/309:40:163
114091140,0ptp4l0-21swapper/608:07:146
114091140,0ptp4l0-21swapper/308:50:293
114091140,0ptp4l0-21swapper/208:07:152
1358499110,10cyclictest0-21swapper/311:13:503
1358499110,10cyclictest0-21swapper/311:01:163
1358499110,10cyclictest0-21swapper/309:46:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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