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2026-08-23 - 01:55

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 Aug 22, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391690,29ptp4l0-21swapper/007:05:120
1881916444,16phc2sys0-21swapper/207:07:152
133602610,0sleep50-21swapper/511:00:115
111391590,4ptp4l0-21swapper/407:07:114
904725736,6sleep70-21swapper/707:07:137
111391510,5ptp4l0-21swapper/507:08:395
111391500,5ptp4l0-21swapper/107:08:411
905524838,6sleep60-21swapper/607:07:206
890624635,7sleep30-21swapper/307:05:253
111391350,0ptp4l0-21swapper/508:45:145
111391350,0ptp4l0-21swapper/410:40:154
111391330,0ptp4l0-21swapper/510:52:535
111391320,0ptp4l32646-21diskmemload11:51:234
111391320,0ptp4l0-21swapper/411:43:344
111391320,0ptp4l0-21swapper/411:43:334
111391320,0ptp4l0-21swapper/407:45:124
111391310,2ptp4l0-21swapper/610:24:366
111391310,0ptp4l0-21swapper/411:46:024
111391310,0ptp4l0-21swapper/411:21:184
111391310,0ptp4l0-21swapper/409:18:484
111391300,0ptp4l0-21swapper/511:09:315
111391300,0ptp4l0-21swapper/411:36:314
111391300,0ptp4l0-21swapper/411:15:164
111391300,0ptp4l0-21swapper/410:54:174
111391300,0ptp4l0-21swapper/410:46:024
111391300,0ptp4l0-21swapper/410:30:124
111391300,0ptp4l0-21swapper/210:24:322
111391290,0ptp4l0-21swapper/512:34:555
111391290,0ptp4l0-21swapper/412:24:264
111391290,0ptp4l0-21swapper/411:26:514
111391290,0ptp4l0-21swapper/411:14:094
111391290,0ptp4l0-21swapper/411:08:594
111391290,0ptp4l0-21swapper/411:04:264
111391290,0ptp4l0-21swapper/410:37:044
111391290,0ptp4l0-21swapper/409:25:394
111391290,0ptp4l0-21swapper/110:10:111
111391280,3ptp4l0-21swapper/412:15:194
111391280,0ptp4l0-21swapper/510:56:135
111391280,0ptp4l0-21swapper/510:34:055
111391280,0ptp4l0-21swapper/411:30:534
111391280,0ptp4l0-21swapper/410:57:234
111391280,0ptp4l0-21swapper/410:02:314
111391270,0ptp4l0-21swapper/510:44:255
111391270,0ptp4l0-21swapper/510:07:375
111391270,0ptp4l0-21swapper/508:26:285
111391270,0ptp4l0-21swapper/410:10:484
111391270,0ptp4l0-21swapper/410:05:444
111391270,0ptp4l0-21swapper/010:33:410
111391270,0ptp4l0-21swapper/010:18:550
111391270,0ptp4l0-21swapper/009:37:370
111391260,0ptp4l0-21swapper/512:06:015
111391260,0ptp4l0-21swapper/412:34:384
111391260,0ptp4l0-21swapper/410:18:514
111391260,0ptp4l0-21swapper/409:44:184
111391260,0ptp4l0-21swapper/409:36:244
111391260,0ptp4l0-21swapper/408:25:144
111391260,0ptp4l0-21swapper/111:06:351
111391260,0ptp4l0-21swapper/110:53:561
111391260,0ptp4l0-21swapper/010:41:340
111391260,0ptp4l0-21swapper/010:24:490
111391250,0ptp4l0-21swapper/509:57:245
111391250,0ptp4l0-21swapper/509:34:495
111391250,0ptp4l0-21swapper/509:29:315
111391250,0ptp4l0-21swapper/509:15:145
111391250,0ptp4l0-21swapper/507:15:015
111391250,0ptp4l0-21swapper/412:06:524
111391250,0ptp4l0-21swapper/409:33:544
111391250,0ptp4l0-21swapper/408:49:394
111391250,0ptp4l0-21swapper/407:44:544
111391250,0ptp4l0-21swapper/210:59:442
111391250,0ptp4l0-21swapper/209:33:292
111391250,0ptp4l0-21swapper/011:35:120
111391250,0ptp4l0-21swapper/008:15:110
111391240,3ptp4l0-21swapper/507:56:205
111391240,2ptp4l0-21swapper/510:48:015
111391240,1ptp4l5035-21timerwakeupswit10:00:210
111391240,1ptp4l30819-21df11:25:141
111391240,1ptp4l12583-21sed09:25:226
111391240,1ptp4l12266-21sed09:25:182
111391240,0ptp4l0-21swapper/512:13:285
111391240,0ptp4l0-21swapper/510:16:515
111391240,0ptp4l0-21swapper/510:10:165
111391240,0ptp4l0-21swapper/508:15:185
111391240,0ptp4l0-21swapper/410:25:164
111391240,0ptp4l0-21swapper/409:45:204
111391240,0ptp4l0-21swapper/409:20:174
111391240,0ptp4l0-21swapper/409:05:064
111391240,0ptp4l0-21swapper/409:05:064
111391240,0ptp4l0-21swapper/408:56:254
111391240,0ptp4l0-21swapper/408:10:294
111391240,0ptp4l0-21swapper/407:54:074
111391240,0ptp4l0-21swapper/407:23:544
111391240,0ptp4l0-21swapper/407:13:004
111391240,0ptp4l0-21swapper/111:56:541
111391240,0ptp4l0-21swapper/012:25:210
111391240,0ptp4l0-21swapper/011:55:170
111391240,0ptp4l0-21swapper/011:30:000
111391240,0ptp4l0-21swapper/010:54:550
111391240,0ptp4l0-21swapper/010:25:140
111391240,0ptp4l0-21swapper/007:25:170
111391230,2ptp4l0-21swapper/409:01:004
111391230,1ptp4l8066-21diskstats08:15:114
111391230,1ptp4l24852-21ps08:50:184
111391230,0ptp4l9-21ksoftirqd/012:30:120
111391230,0ptp4l0-21swapper/612:34:286
111391230,0ptp4l0-21swapper/611:00:596
111391230,0ptp4l0-21swapper/512:36:455
111391230,0ptp4l0-21swapper/512:20:515
111391230,0ptp4l0-21swapper/512:03:045
111391230,0ptp4l0-21swapper/511:50:135
111391230,0ptp4l0-21swapper/511:40:215
111391230,0ptp4l0-21swapper/511:40:205
111391230,0ptp4l0-21swapper/511:30:165
111391230,0ptp4l0-21swapper/511:25:145
111391230,0ptp4l0-21swapper/510:28:425
111391230,0ptp4l0-21swapper/510:20:115
111391230,0ptp4l0-21swapper/509:48:475
111391230,0ptp4l0-21swapper/508:55:215
111391230,0ptp4l0-21swapper/508:50:135
111391230,0ptp4l0-21swapper/508:45:015
111391230,0ptp4l0-21swapper/508:13:285
111391230,0ptp4l0-21swapper/507:40:175
111391230,0ptp4l0-21swapper/507:35:145
111391230,0ptp4l0-21swapper/412:25:214
111391230,0ptp4l0-21swapper/412:10:204
111391230,0ptp4l0-21swapper/412:01:294
111391230,0ptp4l0-21swapper/411:55:194
111391230,0ptp4l0-21swapper/409:58:214
111391230,0ptp4l0-21swapper/409:14:084
111391230,0ptp4l0-21swapper/408:30:134
111391230,0ptp4l0-21swapper/408:03:454
111391230,0ptp4l0-21swapper/407:25:174
111391230,0ptp4l0-21swapper/210:55:002
111391230,0ptp4l0-21swapper/209:35:202
111391230,0ptp4l0-21swapper/112:35:211
111391230,0ptp4l0-21swapper/112:30:521
111391230,0ptp4l0-21swapper/112:28:131
111391230,0ptp4l0-21swapper/112:20:131
111391230,0ptp4l0-21swapper/112:12:481
111391230,0ptp4l0-21swapper/111:50:141
111391230,0ptp4l0-21swapper/111:22:541
111391230,0ptp4l0-21swapper/110:20:111
111391230,0ptp4l0-21swapper/110:05:151
111391230,0ptp4l0-21swapper/109:55:141
111391230,0ptp4l0-21swapper/109:52:491
111391230,0ptp4l0-21swapper/109:48:201
111391230,0ptp4l0-21swapper/109:30:201
111391230,0ptp4l0-21swapper/109:28:191
111391230,0ptp4l0-21swapper/107:10:171
111391230,0ptp4l0-21swapper/012:10:180
111391230,0ptp4l0-21swapper/012:05:210
111391230,0ptp4l0-21swapper/011:45:120
111391230,0ptp4l0-21swapper/011:44:010
111391230,0ptp4l0-21swapper/011:44:000
111391230,0ptp4l0-21swapper/011:30:210
111391230,0ptp4l0-21swapper/011:05:170
111391230,0ptp4l0-21swapper/010:55:150
111391230,0ptp4l0-21swapper/010:10:190
111391230,0ptp4l0-21swapper/009:50:150
111391230,0ptp4l0-21swapper/009:45:130
111391230,0ptp4l0-21swapper/009:30:120
111391230,0ptp4l0-21swapper/009:20:050
111391230,0ptp4l0-21swapper/009:15:160
111391230,0ptp4l0-21swapper/009:10:110
111391230,0ptp4l0-21swapper/009:05:170
111391230,0ptp4l0-21swapper/009:05:170
111391230,0ptp4l0-21swapper/008:40:170
111391230,0ptp4l0-21swapper/007:55:140
111391230,0ptp4l0-21swapper/007:45:130
111391220,1ptp4l8528-21ssh10:52:386
111391220,1ptp4l16700-21grep11:50:180
111391220,1ptp4l1180-21smartctl08:00:131
111391220,0ptp4l0-21swapper/712:28:507
111391220,0ptp4l0-21swapper/611:31:046
111391220,0ptp4l0-21swapper/609:45:156
111391220,0ptp4l0-21swapper/512:29:465
111391220,0ptp4l0-21swapper/511:56:525
111391220,0ptp4l0-21swapper/511:36:145
111391220,0ptp4l0-21swapper/511:10:205
111391220,0ptp4l0-21swapper/510:03:315
111391220,0ptp4l0-21swapper/509:23:495
111391220,0ptp4l0-21swapper/509:00:135
111391220,0ptp4l0-21swapper/508:35:215
111391220,0ptp4l0-21swapper/508:00:195
111391220,0ptp4l0-21swapper/507:32:525
111391220,0ptp4l0-21swapper/507:25:125
111391220,0ptp4l0-21swapper/412:35:174
111391220,0ptp4l0-21swapper/410:23:204
111391220,0ptp4l0-21swapper/409:50:114
111391220,0ptp4l0-21swapper/408:20:124
111391220,0ptp4l0-21swapper/407:55:154
111391220,0ptp4l0-21swapper/407:30:154
111391220,0ptp4l0-21swapper/407:16:284
111391220,0ptp4l0-21swapper/212:34:222
111391220,0ptp4l0-21swapper/212:24:172
111391220,0ptp4l0-21swapper/211:46:572
111391220,0ptp4l0-21swapper/211:00:552
111391220,0ptp4l0-21swapper/208:30:162
111391220,0ptp4l0-21swapper/112:00:341
111391220,0ptp4l0-21swapper/111:40:131
111391220,0ptp4l0-21swapper/111:40:131
111391220,0ptp4l0-21swapper/111:36:441
111391220,0ptp4l0-21swapper/111:30:131
111391220,0ptp4l0-21swapper/110:47:291
111391220,0ptp4l0-21swapper/110:42:211
111391220,0ptp4l0-21swapper/110:38:101
111391220,0ptp4l0-21swapper/110:26:441
111391220,0ptp4l0-21swapper/110:03:291
111391220,0ptp4l0-21swapper/109:20:491
111391220,0ptp4l0-21swapper/109:16:031
111391220,0ptp4l0-21swapper/109:10:051
111391220,0ptp4l0-21swapper/109:00:121
111391220,0ptp4l0-21swapper/108:50:121
111391220,0ptp4l0-21swapper/108:45:181
111391220,0ptp4l0-21swapper/108:35:191
111391220,0ptp4l0-21swapper/108:15:161
111391220,0ptp4l0-21swapper/107:40:151
111391220,0ptp4l0-21swapper/107:35:221
111391220,0ptp4l0-21swapper/107:25:031
111391220,0ptp4l0-21swapper/107:20:191
111391220,0ptp4l0-21swapper/107:15:111
111391220,0ptp4l0-21swapper/012:35:150
111391220,0ptp4l0-21swapper/012:23:270
111391220,0ptp4l0-21swapper/012:16:050
111391220,0ptp4l0-21swapper/012:00:140
111391220,0ptp4l0-21swapper/011:15:150
111391220,0ptp4l0-21swapper/011:10:060
111391220,0ptp4l0-21swapper/011:00:070
111391220,0ptp4l0-21swapper/010:45:130
111391220,0ptp4l0-21swapper/010:35:170
111391220,0ptp4l0-21swapper/010:05:080
111391220,0ptp4l0-21swapper/009:40:130
111391220,0ptp4l0-21swapper/009:25:010
111391220,0ptp4l0-21swapper/008:55:190
111391220,0ptp4l0-21swapper/008:50:200
111391220,0ptp4l0-21swapper/008:25:170
111391220,0ptp4l0-21swapper/008:20:140
111391220,0ptp4l0-21swapper/008:10:120
111391220,0ptp4l0-21swapper/008:05:230
111391220,0ptp4l0-21swapper/007:50:120
111391220,0ptp4l0-21swapper/007:30:000
111391220,0ptp4l0-21swapper/007:20:150
111391220,0ptp4l0-21swapper/007:10:180
111391210,0ptp4l0-21swapper/612:25:036
111391210,0ptp4l0-21swapper/612:01:006
111391210,0ptp4l0-21swapper/609:35:206
111391210,0ptp4l0-21swapper/512:16:145
111391210,0ptp4l0-21swapper/511:49:575
111391210,0ptp4l0-21swapper/511:20:355
111391210,0ptp4l0-21swapper/511:18:135
111391210,0ptp4l0-21swapper/510:38:135
111391210,0ptp4l0-21swapper/509:52:015
111391210,0ptp4l0-21swapper/509:10:165
111391210,0ptp4l0-21swapper/507:23:335
111391210,0ptp4l0-21swapper/507:10:145
111391210,0ptp4l0-21swapper/408:40:004
111391210,0ptp4l0-21swapper/408:38:484
111391210,0ptp4l0-21swapper/312:29:193
111391210,0ptp4l0-21swapper/212:08:212
111391210,0ptp4l0-21swapper/211:30:592
111391210,0ptp4l0-21swapper/211:26:112
111391210,0ptp4l0-21swapper/211:10:452
111391210,0ptp4l0-21swapper/210:35:222
111391210,0ptp4l0-21swapper/209:45:152
111391210,0ptp4l0-21swapper/112:17:551
111391210,0ptp4l0-21swapper/112:05:381
111391210,0ptp4l0-21swapper/111:48:201
111391210,0ptp4l0-21swapper/111:10:291
111391210,0ptp4l0-21swapper/110:32:331
111391210,0ptp4l0-21swapper/108:20:481
111391210,0ptp4l0-21swapper/011:20:060
111391210,0ptp4l0-21swapper/009:55:560
111391210,0ptp4l0-21swapper/008:30:190
111391210,0ptp4l0-21swapper/007:15:230
111391200,1ptp4l25273-21sed07:40:200
111391200,0ptp4l0-21swapper/711:09:427
111391200,0ptp4l0-21swapper/709:22:137
111391200,0ptp4l0-21swapper/609:33:276
111391200,0ptp4l0-21swapper/509:40:565
111391200,0ptp4l0-21swapper/509:38:505
111391200,0ptp4l0-21swapper/508:23:265
111391200,0ptp4l0-21swapper/508:08:585
111391200,0ptp4l0-21swapper/507:48:475
111391200,0ptp4l0-21swapper/209:56:572
111391200,0ptp4l0-21swapper/111:18:031
111391200,0ptp4l0-21swapper/110:16:501
111391200,0ptp4l0-21swapper/109:40:531
111391200,0ptp4l0-21swapper/108:55:171
111391200,0ptp4l0-21swapper/108:40:501
111391200,0ptp4l0-21swapper/108:14:441
111391200,0ptp4l0-21swapper/107:57:471
111391200,0ptp4l0-21swapper/009:04:530
111391200,0ptp4l0-21swapper/007:37:470
111391190,0ptp4l0-21swapper/709:39:077
111391190,0ptp4l0-21swapper/709:07:487
111391190,0ptp4l0-21swapper/709:07:487
111391190,0ptp4l0-21swapper/612:24:116
111391190,0ptp4l0-21swapper/611:22:266
111391190,0ptp4l0-21swapper/609:56:506
111391190,0ptp4l0-21swapper/609:42:156
111391190,0ptp4l0-21swapper/408:05:194
111391190,0ptp4l0-21swapper/309:39:123
111391190,0ptp4l0-21swapper/309:22:143
111391190,0ptp4l0-21swapper/212:25:022
111391190,0ptp4l0-21swapper/212:01:022
111391190,0ptp4l0-21swapper/211:59:292
111391190,0ptp4l0-21swapper/110:57:041
111391190,0ptp4l0-21swapper/108:32:491
111391190,0ptp4l0-21swapper/008:49:510
111391180,0ptp4l0-21swapper/611:35:466
111391180,0ptp4l0-21swapper/610:35:246
111391180,0ptp4l0-21swapper/312:31:043
111391180,0ptp4l0-21swapper/209:10:442
111391180,0ptp4l0-21swapper/111:02:021
111391180,0ptp4l0-21swapper/109:38:491
111391180,0ptp4l0-21swapper/008:35:150
5652170,0sleep30-21swapper/311:28:053
111391170,0ptp4l0-21swapper/611:46:596
111391170,0ptp4l0-21swapper/611:10:436
111391170,0ptp4l0-21swapper/509:09:575
111391170,0ptp4l0-21swapper/509:09:575
111391170,0ptp4l0-21swapper/311:09:443
111391170,0ptp4l0-21swapper/211:35:452
43612160,1sleep233-21ksoftirqd/210:00:162
111391160,0ptp4l0-21swapper/612:08:276
111391160,0ptp4l0-21swapper/407:35:254
111391160,0ptp4l0-21swapper/211:22:212
111391160,0ptp4l0-21swapper/210:40:432
111391160,0ptp4l0-21swapper/209:43:132
111391160,0ptp4l0-21swapper/209:20:062
111391160,0ptp4l0-21swapper/008:00:000
111391150,0ptp4l0-21swapper/712:31:057
111391150,0ptp4l0-21swapper/708:24:287
111391150,0ptp4l0-21swapper/611:26:116
111391150,0ptp4l0-21swapper/608:57:246
111391150,0ptp4l0-21swapper/608:52:346
111391150,0ptp4l0-21swapper/608:14:136
111391150,0ptp4l0-21swapper/607:52:506
111391150,0ptp4l0-21swapper/607:48:306
111391150,0ptp4l0-21swapper/607:19:546
111391150,0ptp4l0-21swapper/508:32:215
111391150,0ptp4l0-21swapper/507:51:465
111391150,0ptp4l0-21swapper/309:07:373
111391150,0ptp4l0-21swapper/309:07:373
111391150,0ptp4l0-21swapper/308:24:263
111391150,0ptp4l0-21swapper/208:57:202
111391150,0ptp4l0-21swapper/208:52:332
111391150,0ptp4l0-21swapper/207:51:562
111391150,0ptp4l0-21swapper/207:48:302
111391150,0ptp4l0-21swapper/109:09:561
111391150,0ptp4l0-21swapper/109:09:551
111391150,0ptp4l0-21swapper/108:26:231
111391150,0ptp4l0-21swapper/108:06:371
111391150,0ptp4l0-21swapper/107:51:351
111391150,0ptp4l0-21swapper/107:48:021
111391150,0ptp4l0-21swapper/107:31:411
111391140,0ptp4l0-21swapper/709:26:107
111391140,0ptp4l0-21swapper/610:13:476
111391140,0ptp4l0-21swapper/609:10:456
111391140,0ptp4l0-21swapper/608:00:476
111391140,0ptp4l0-21swapper/210:13:472
111391140,0ptp4l0-21swapper/208:14:122
111391140,0ptp4l0-21swapper/208:00:472
111391140,0ptp4l0-21swapper/207:19:482
958299120,1cyclictest0-21swapper/710:09:597
9582991110,0cyclictest0-21swapper/709:42:487
955399110,1cyclictest0-21swapper/307:40:003
958299109,0cyclictest0-21swapper/711:29:597
958299109,0cyclictest0-21swapper/711:18:137
958299109,0cyclictest0-21swapper/710:56:127
958299109,0cyclictest0-21swapper/710:46:287
958299109,0cyclictest0-21swapper/710:38:547
958299109,0cyclictest0-21swapper/710:17:057
958299109,0cyclictest0-21swapper/709:48:577
958299107,1cyclictest3504-21fw_forwarded_lo08:05:147
958299100,0cyclictest0-21swapper/712:08:487
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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