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2026-04-21 - 17:59

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 21, 2026 12:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391810,35ptp4l0-21swapper/107:09:291
80642710,0sleep00-21swapper/009:15:150
13992680,0sleep10-21swapper/109:50:171
111391610,28ptp4l0-21swapper/007:05:550
317672600,0sleep50-21swapper/511:59:505
111391590,5ptp4l0-21swapper/407:09:144
111391590,5ptp4l0-21swapper/207:05:492
111391580,15ptp4l0-21swapper/607:05:166
1224225646,6sleep70-21swapper/707:08:457
111391480,0ptp4l29109-21tr09:45:121
1217424635,7sleep30-21swapper/307:07:523
1216724535,6sleep50-21swapper/507:07:465
12601993511,23cyclictest17762-21ssh09:29:550
111391330,1ptp4l794-21ssh12:00:150
111391330,0ptp4l0-21swapper/411:05:184
111391330,0ptp4l0-21swapper/012:21:240
111391330,0ptp4l0-21swapper/011:51:390
111391330,0ptp4l0-21swapper/010:45:200
111391330,0ptp4l0-21swapper/010:03:490
111391320,3ptp4l0-21swapper/512:07:455
111391320,0ptp4l0-21swapper/408:35:184
111391320,0ptp4l0-21swapper/012:39:390
111391320,0ptp4l0-21swapper/009:20:470
111391310,0ptp4l0-21swapper/412:13:464
111391310,0ptp4l0-21swapper/410:07:514
111391310,0ptp4l0-21swapper/407:30:184
111391310,0ptp4l0-21swapper/010:52:200
111391300,2ptp4l0-21swapper/109:29:061
111391300,1ptp4l0-21swapper/108:40:211
111391300,0ptp4l0-21swapper/411:33:024
111391300,0ptp4l0-21swapper/411:33:014
111391300,0ptp4l0-21swapper/409:29:534
111391300,0ptp4l0-21swapper/110:31:591
111391300,0ptp4l0-21swapper/011:43:050
111391300,0ptp4l0-21swapper/011:24:230
111391300,0ptp4l0-21swapper/011:17:470
111391300,0ptp4l0-21swapper/010:56:410
111391300,0ptp4l0-21swapper/009:05:130
111391290,1ptp4l9978-21ssh12:13:040
111391290,1ptp4l1061-21snmpd10:56:014
111391290,0ptp4l0-21swapper/512:35:465
111391290,0ptp4l0-21swapper/412:32:314
111391290,0ptp4l0-21swapper/411:52:364
111391290,0ptp4l0-21swapper/411:13:214
111391290,0ptp4l0-21swapper/410:24:014
111391290,0ptp4l0-21swapper/409:17:194
111391290,0ptp4l0-21swapper/112:29:571
111391290,0ptp4l0-21swapper/009:35:580
111391290,0ptp4l0-21swapper/008:55:170
111391290,0ptp4l0-21swapper/008:55:170
111391280,3ptp4l0-21swapper/412:38:444
111391280,2ptp4l0-21swapper/509:55:065
111391280,0ptp4l0-21swapper/711:16:087
111391280,0ptp4l0-21swapper/508:45:155
111391280,0ptp4l0-21swapper/409:37:264
111391280,0ptp4l0-21swapper/211:08:432
111391280,0ptp4l0-21swapper/112:24:581
111391280,0ptp4l0-21swapper/012:33:120
111391280,0ptp4l0-21swapper/011:47:050
111391280,0ptp4l0-21swapper/011:03:240
111391280,0ptp4l0-21swapper/009:33:190
111391270,2ptp4l0-21swapper/010:41:510
111391270,1ptp4l0-21swapper/212:34:382
111391270,0ptp4l0-21swapper/511:47:165
111391270,0ptp4l0-21swapper/412:21:484
111391270,0ptp4l0-21swapper/409:46:034
111391270,0ptp4l0-21swapper/109:55:121
111391270,0ptp4l0-21swapper/109:17:301
111391270,0ptp4l0-21swapper/012:29:350
111391270,0ptp4l0-21swapper/011:32:510
111391270,0ptp4l0-21swapper/011:32:500
111391260,0ptp4l0-21swapper/411:46:504
111391260,0ptp4l0-21swapper/410:46:504
111391260,0ptp4l0-21swapper/410:32:104
111391260,0ptp4l0-21swapper/410:15:194
111391260,0ptp4l0-21swapper/410:01:374
111391260,0ptp4l0-21swapper/409:56:344
111391260,0ptp4l0-21swapper/409:34:074
111391260,0ptp4l0-21swapper/409:20:284
111391260,0ptp4l0-21swapper/409:10:244
111391260,0ptp4l0-21swapper/408:20:104
111391260,0ptp4l0-21swapper/112:18:351
111391260,0ptp4l0-21swapper/109:11:061
111391260,0ptp4l0-21swapper/011:29:150
111391260,0ptp4l0-21swapper/010:13:500
111391260,0ptp4l0-21swapper/009:49:180
111391260,0ptp4l0-21swapper/009:10:130
111391250,3ptp4l0-21swapper/411:15:024
111391250,2ptp4l0-21swapper/110:07:381
111391250,2ptp4l0-21swapper/108:35:151
111391250,1ptp4l32280-21memory09:00:164
111391250,0ptp4l0-21swapper/511:53:485
111391250,0ptp4l0-21swapper/511:10:135
111391250,0ptp4l0-21swapper/412:16:434
111391250,0ptp4l0-21swapper/411:39:134
111391250,0ptp4l0-21swapper/411:39:124
111391250,0ptp4l0-21swapper/410:10:134
111391250,0ptp4l0-21swapper/407:25:164
111391250,0ptp4l0-21swapper/407:15:124
111391250,0ptp4l0-21swapper/308:15:153
111391250,0ptp4l0-21swapper/211:50:012
111391250,0ptp4l0-21swapper/111:59:591
111391250,0ptp4l0-21swapper/111:27:101
111391250,0ptp4l0-21swapper/012:18:440
111391250,0ptp4l0-21swapper/011:05:160
111391250,0ptp4l0-21swapper/010:34:320
111391250,0ptp4l0-21swapper/009:56:120
12639992421,2cyclictest0-21swapper/507:15:255
12639992421,2cyclictest0-21swapper/507:14:235
12639992416,4cyclictest0-21swapper/507:27:535
111391240,1ptp4l3370-21diskmemload12:34:127
111391240,1ptp4l21869-21ssh11:00:451
111391240,1ptp4l10592-21users10:45:202
111391240,0ptp4l0-21swapper/709:47:437
111391240,0ptp4l0-21swapper/609:34:316
111391240,0ptp4l0-21swapper/412:00:174
111391240,0ptp4l0-21swapper/411:40:144
111391240,0ptp4l0-21swapper/411:29:364
111391240,0ptp4l0-21swapper/410:51:414
111391240,0ptp4l0-21swapper/410:25:354
111391240,0ptp4l0-21swapper/407:55:204
111391240,0ptp4l0-21swapper/407:12:164
111391240,0ptp4l0-21swapper/212:20:362
111391240,0ptp4l0-21swapper/112:36:411
111391240,0ptp4l0-21swapper/110:50:121
111391240,0ptp4l0-21swapper/110:00:201
111391240,0ptp4l0-21swapper/012:05:580
111391240,0ptp4l0-21swapper/011:35:150
111391240,0ptp4l0-21swapper/011:35:150
111391240,0ptp4l0-21swapper/010:29:380
111391240,0ptp4l0-21swapper/010:22:050
111391240,0ptp4l0-21swapper/010:09:520
111391240,0ptp4l0-21swapper/009:54:020
111391240,0ptp4l0-21swapper/009:44:300
111391240,0ptp4l0-21swapper/007:55:150
111391240,0ptp4l0-21swapper/007:20:000
12639992318,4cyclictest0-21swapper/507:21:065
111391230,2ptp4l4004-21fw_forwarded_lo12:05:131
111391230,1ptp4l22655-21fw_forwarded_lo12:30:141
111391230,1ptp4l19904-21ssh11:42:496
111391230,0ptp4l3370-21diskmemload10:16:081
111391230,0ptp4l0-21swapper/708:15:137
111391230,0ptp4l0-21swapper/610:48:126
111391230,0ptp4l0-21swapper/608:25:216
111391230,0ptp4l0-21swapper/512:20:165
111391230,0ptp4l0-21swapper/512:00:035
111391230,0ptp4l0-21swapper/511:40:185
111391230,0ptp4l0-21swapper/511:30:095
111391230,0ptp4l0-21swapper/511:30:085
111391230,0ptp4l0-21swapper/511:26:565
111391230,0ptp4l0-21swapper/511:09:545
111391230,0ptp4l0-21swapper/510:55:225
111391230,0ptp4l0-21swapper/510:50:005
111391230,0ptp4l0-21swapper/510:32:185
111391230,0ptp4l0-21swapper/509:46:365
111391230,0ptp4l0-21swapper/509:40:205
111391230,0ptp4l0-21swapper/509:38:465
111391230,0ptp4l0-21swapper/509:20:125
111391230,0ptp4l0-21swapper/509:11:135
111391230,0ptp4l0-21swapper/508:50:125
111391230,0ptp4l0-21swapper/508:50:115
111391230,0ptp4l0-21swapper/508:40:165
111391230,0ptp4l0-21swapper/508:35:165
111391230,0ptp4l0-21swapper/508:00:215
111391230,0ptp4l0-21swapper/508:00:005
111391230,0ptp4l0-21swapper/412:25:154
111391230,0ptp4l0-21swapper/411:55:174
111391230,0ptp4l0-21swapper/411:21:594
111391230,0ptp4l0-21swapper/411:00:124
111391230,0ptp4l0-21swapper/410:42:024
111391230,0ptp4l0-21swapper/410:35:584
111391230,0ptp4l0-21swapper/409:50:174
111391230,0ptp4l0-21swapper/409:05:144
111391230,0ptp4l0-21swapper/408:55:194
111391230,0ptp4l0-21swapper/408:55:184
111391230,0ptp4l0-21swapper/408:05:194
111391230,0ptp4l0-21swapper/407:45:164
111391230,0ptp4l0-21swapper/407:20:164
111391230,0ptp4l0-21swapper/311:16:003
111391230,0ptp4l0-21swapper/112:00:141
111391230,0ptp4l0-21swapper/111:50:381
111391230,0ptp4l0-21swapper/111:35:491
111391230,0ptp4l0-21swapper/111:35:481
111391230,0ptp4l0-21swapper/111:22:181
111391230,0ptp4l0-21swapper/111:10:121
111391230,0ptp4l0-21swapper/110:55:131
111391230,0ptp4l0-21swapper/110:45:001
111391230,0ptp4l0-21swapper/109:40:111
111391230,0ptp4l0-21swapper/108:50:171
111391230,0ptp4l0-21swapper/108:50:171
111391230,0ptp4l0-21swapper/108:45:141
111391230,0ptp4l0-21swapper/108:30:131
111391230,0ptp4l0-21swapper/108:00:131
111391230,0ptp4l0-21swapper/107:45:201
111391230,0ptp4l0-21swapper/107:40:141
111391230,0ptp4l0-21swapper/107:35:151
111391230,0ptp4l0-21swapper/107:10:131
111391230,0ptp4l0-21swapper/011:56:010
111391230,0ptp4l0-21swapper/011:13:550
111391230,0ptp4l0-21swapper/010:35:520
111391230,0ptp4l0-21swapper/010:20:000
111391230,0ptp4l0-21swapper/009:00:130
111391230,0ptp4l0-21swapper/008:50:150
111391230,0ptp4l0-21swapper/008:50:140
111391230,0ptp4l0-21swapper/008:20:120
111391230,0ptp4l0-21swapper/008:10:000
111391230,0ptp4l0-21swapper/008:05:170
111391230,0ptp4l0-21swapper/007:50:120
111391230,0ptp4l0-21swapper/007:45:130
111391230,0ptp4l0-21swapper/007:25:120
111391230,0ptp4l0-21swapper/007:20:170
111391230,0ptp4l0-21swapper/007:11:400
111391220,1ptp4l20596-21ssh09:32:521
111391220,0ptp4l0-21swapper/711:59:007
111391220,0ptp4l0-21swapper/710:06:487
111391220,0ptp4l0-21swapper/611:08:316
111391220,0ptp4l0-21swapper/609:01:406
111391220,0ptp4l0-21swapper/512:30:125
111391220,0ptp4l0-21swapper/512:25:035
111391220,0ptp4l0-21swapper/512:18:085
111391220,0ptp4l0-21swapper/511:35:505
111391220,0ptp4l0-21swapper/511:35:505
111391220,0ptp4l0-21swapper/510:49:245
111391220,0ptp4l0-21swapper/510:24:235
111391220,0ptp4l0-21swapper/510:16:025
111391220,0ptp4l0-21swapper/510:13:005
111391220,0ptp4l0-21swapper/510:08:585
111391220,0ptp4l0-21swapper/510:01:005
111391220,0ptp4l0-21swapper/509:50:115
111391220,0ptp4l0-21swapper/509:15:405
111391220,0ptp4l0-21swapper/507:40:155
111391220,0ptp4l0-21swapper/507:35:135
111391220,0ptp4l0-21swapper/507:35:005
111391220,0ptp4l0-21swapper/412:05:124
111391220,0ptp4l0-21swapper/409:40:524
111391220,0ptp4l0-21swapper/408:12:104
111391220,0ptp4l0-21swapper/408:03:044
111391220,0ptp4l0-21swapper/407:50:124
111391220,0ptp4l0-21swapper/309:47:263
111391220,0ptp4l0-21swapper/211:25:142
111391220,0ptp4l0-21swapper/210:42:362
111391220,0ptp4l0-21swapper/209:05:002
111391220,0ptp4l0-21swapper/208:25:192
111391220,0ptp4l0-21swapper/111:45:391
111391220,0ptp4l0-21swapper/111:40:141
111391220,0ptp4l0-21swapper/111:30:111
111391220,0ptp4l0-21swapper/111:30:101
111391220,0ptp4l0-21swapper/111:19:241
111391220,0ptp4l0-21swapper/111:08:051
111391220,0ptp4l0-21swapper/110:49:181
111391220,0ptp4l0-21swapper/110:27:331
111391220,0ptp4l0-21swapper/110:21:261
111391220,0ptp4l0-21swapper/110:12:551
111391220,0ptp4l0-21swapper/109:36:471
111391220,0ptp4l0-21swapper/107:15:161
111391220,0ptp4l0-21swapper/007:40:220
111391220,0ptp4l0-21swapper/007:30:110
111391210,0ptp4l0-21swapper/710:31:247
111391210,0ptp4l0-21swapper/612:20:386
111391210,0ptp4l0-21swapper/611:39:376
111391210,0ptp4l0-21swapper/611:39:366
111391210,0ptp4l0-21swapper/511:20:545
111391210,0ptp4l0-21swapper/511:19:105
111391210,0ptp4l0-21swapper/511:00:385
111391210,0ptp4l0-21swapper/510:41:075
111391210,0ptp4l0-21swapper/510:27:375
111391210,0ptp4l0-21swapper/509:32:405
111391210,0ptp4l0-21swapper/509:29:075
111391210,0ptp4l0-21swapper/508:22:125
111391210,0ptp4l0-21swapper/408:48:314
111391210,0ptp4l0-21swapper/408:33:434
111391210,0ptp4l0-21swapper/408:25:134
111391210,0ptp4l0-21swapper/408:18:264
111391210,0ptp4l0-21swapper/407:43:014
111391210,0ptp4l0-21swapper/312:34:223
111391210,0ptp4l0-21swapper/310:31:213
111391210,0ptp4l0-21swapper/310:06:243
111391210,0ptp4l0-21swapper/212:27:082
111391210,0ptp4l0-21swapper/211:39:382
111391210,0ptp4l0-21swapper/211:39:372
111391210,0ptp4l0-21swapper/211:11:082
111391210,0ptp4l0-21swapper/209:34:312
111391210,0ptp4l0-21swapper/109:20:111
111391210,0ptp4l0-21swapper/108:05:001
111391210,0ptp4l0-21swapper/107:59:061
111391210,0ptp4l0-21swapper/107:30:001
111391210,0ptp4l0-21swapper/008:35:210
111391210,0ptp4l0-21swapper/008:30:160
111391210,0ptp4l0-21swapper/007:39:170
111391200,2ptp4l0-21swapper/008:19:080
111391200,0ptp4l0-21swapper/609:43:336
111391200,0ptp4l0-21swapper/509:01:155
111391200,0ptp4l0-21swapper/407:38:454
111391200,0ptp4l0-21swapper/311:59:033
111391200,0ptp4l0-21swapper/309:41:543
111391200,0ptp4l0-21swapper/112:13:221
111391200,0ptp4l0-21swapper/110:35:361
111391200,0ptp4l0-21swapper/109:04:151
111391200,0ptp4l0-21swapper/108:22:221
111391200,0ptp4l0-21swapper/107:54:061
111391200,0ptp4l0-21swapper/107:30:151
111391200,0ptp4l0-21swapper/107:24:041
111391190,0ptp4l0-21swapper/708:08:117
111391190,0ptp4l0-21swapper/612:30:266
111391190,0ptp4l0-21swapper/612:05:296
111391190,0ptp4l0-21swapper/611:11:076
111391190,0ptp4l0-21swapper/510:35:365
111391190,0ptp4l0-21swapper/507:54:555
111391190,0ptp4l0-21swapper/507:45:345
111391190,0ptp4l0-21swapper/308:14:173
111391190,0ptp4l0-21swapper/211:42:442
111391190,0ptp4l0-21swapper/211:18:082
111391190,0ptp4l0-21swapper/209:43:322
111391190,0ptp4l0-21swapper/008:25:150
35822180,0sleep60-21swapper/610:36:526
136782180,0sleep30-21swapper/307:10:163
111391180,0ptp4l0-21swapper/709:41:547
111391180,0ptp4l0-21swapper/609:51:176
111391180,0ptp4l0-21swapper/508:30:125
111391180,0ptp4l0-21swapper/210:56:392
111391180,0ptp4l0-21swapper/210:39:542
111391180,0ptp4l0-21swapper/108:55:521
111391180,0ptp4l0-21swapper/108:55:511
1261899170,1cyclictest0-21swapper/209:55:152
111391170,0ptp4l0-21swapper/611:18:096
111391170,0ptp4l0-21swapper/512:13:245
111391170,0ptp4l0-21swapper/508:19:045
111391170,0ptp4l0-21swapper/212:05:262
111391170,0ptp4l0-21swapper/108:17:461
111391160,0ptp4l0-21swapper/708:14:147
111391160,0ptp4l0-21swapper/611:49:586
111391160,0ptp4l0-21swapper/610:42:356
111391160,0ptp4l0-21swapper/508:29:215
111391160,0ptp4l0-21swapper/408:41:184
111391160,0ptp4l0-21swapper/108:29:151
111391160,0ptp4l0-21swapper/008:47:380
111391160,0ptp4l0-21swapper/008:41:180
111391160,0ptp4l0-21swapper/008:00:240
111391150,0ptp4l0-21swapper/709:03:367
111391150,0ptp4l0-21swapper/708:02:487
111391150,0ptp4l0-21swapper/707:31:557
111391150,0ptp4l0-21swapper/609:05:026
111391150,0ptp4l0-21swapper/608:51:526
111391150,0ptp4l0-21swapper/608:51:526
111391150,0ptp4l0-21swapper/608:47:306
111391150,0ptp4l0-21swapper/608:31:266
111391150,0ptp4l0-21swapper/608:06:436
111391150,0ptp4l0-21swapper/607:48:506
111391150,0ptp4l0-21swapper/607:12:256
111391150,0ptp4l0-21swapper/509:08:375
111391150,0ptp4l0-21swapper/508:55:525
111391150,0ptp4l0-21swapper/508:55:515
111391150,0ptp4l0-21swapper/508:10:075
111391150,0ptp4l0-21swapper/508:05:045
111391150,0ptp4l0-21swapper/408:50:374
111391150,0ptp4l0-21swapper/408:50:374
111391150,0ptp4l0-21swapper/309:03:383
111391150,0ptp4l0-21swapper/308:07:563
111391150,0ptp4l0-21swapper/308:02:433
111391150,0ptp4l0-21swapper/307:31:573
111391150,0ptp4l0-21swapper/209:05:012
111391150,0ptp4l0-21swapper/208:47:202
111391150,0ptp4l0-21swapper/208:31:252
111391150,0ptp4l0-21swapper/208:06:462
111391150,0ptp4l0-21swapper/207:48:542
111391150,0ptp4l0-21swapper/109:08:281
111391150,0ptp4l0-21swapper/108:10:071
111391140,0ptp4l0-21swapper/607:20:356
111391140,0ptp4l0-21swapper/607:16:596
111391140,0ptp4l0-21swapper/208:51:482
111391140,0ptp4l0-21swapper/208:51:472
111391140,0ptp4l0-21swapper/207:20:342
111391140,0ptp4l0-21swapper/207:16:582
111391140,0ptp4l0-21swapper/207:12:202
1262599110,1cyclictest0-21swapper/309:25:003
1261899110,1cyclictest0-21swapper/210:12:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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