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2026-09-18 - 02:16

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 Thu Sep 17, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391680,12ptp4l0-21swapper/507:05:185
18572610,0sleep70-21swapper/711:40:147
111391610,5ptp4l0-21swapper/407:06:194
111391600,5ptp4l0-21swapper/107:05:431
111391600,5ptp4l0-21swapper/007:06:500
83992590,0sleep00-21swapper/010:15:160
168625734,8sleep60-21swapper/607:07:006
141882570,1sleep557-21ksoftirqd/511:58:395
1881915635,6phc2sys0-21swapper/707:05:107
169125544,6sleep20-21swapper/207:07:042
165525533,7sleep30-21swapper/307:06:413
193322490,0sleep60-21swapper/607:45:126
111391350,0ptp4l0-21swapper/008:10:170
111391340,1ptp4l24776-21sed09:05:201
111391340,0ptp4l0-21swapper/510:43:325
111391320,0ptp4l0-21swapper/510:05:225
111391320,0ptp4l0-21swapper/409:16:464
111391320,0ptp4l0-21swapper/012:20:000
111391320,0ptp4l0-21swapper/011:36:350
111391320,0ptp4l0-21swapper/010:10:160
111391310,2ptp4l0-21swapper/412:05:194
111391310,0ptp4l0-21swapper/512:27:015
111391310,0ptp4l0-21swapper/412:25:074
111391310,0ptp4l0-21swapper/411:55:164
111391310,0ptp4l0-21swapper/411:00:014
111391310,0ptp4l0-21swapper/411:00:004
111391310,0ptp4l0-21swapper/410:50:154
111391310,0ptp4l0-21swapper/009:26:050
111391300,0ptp4l0-21swapper/512:10:055
111391300,0ptp4l0-21swapper/412:23:504
111391300,0ptp4l0-21swapper/409:58:024
111391300,0ptp4l0-21swapper/409:46:154
111391300,0ptp4l0-21swapper/409:30:114
111391300,0ptp4l0-21swapper/011:04:200
111391300,0ptp4l0-21swapper/011:04:190
111391290,1ptp4l28498-21pgrep11:31:000
111391290,0ptp4l0-21swapper/511:45:135
111391290,0ptp4l0-21swapper/509:50:465
111391290,0ptp4l0-21swapper/509:39:555
111391290,0ptp4l0-21swapper/412:38:064
111391290,0ptp4l0-21swapper/412:11:284
111391290,0ptp4l0-21swapper/411:54:584
111391290,0ptp4l0-21swapper/410:59:304
111391290,0ptp4l0-21swapper/409:51:044
111391290,0ptp4l0-21swapper/012:35:020
111391290,0ptp4l0-21swapper/012:28:230
111391290,0ptp4l0-21swapper/011:56:510
111391290,0ptp4l0-21swapper/011:49:440
111391290,0ptp4l0-21swapper/011:27:500
111391290,0ptp4l0-21swapper/011:20:260
111391290,0ptp4l0-21swapper/011:13:340
111391290,0ptp4l0-21swapper/010:56:550
111391290,0ptp4l0-21swapper/010:41:270
111391290,0ptp4l0-21swapper/010:36:000
111391290,0ptp4l0-21swapper/010:29:040
111391290,0ptp4l0-21swapper/007:50:140
111391280,0ptp4l0-21swapper/411:34:444
111391280,0ptp4l0-21swapper/410:35:254
111391280,0ptp4l0-21swapper/410:34:144
111391280,0ptp4l0-21swapper/410:24:544
111391280,0ptp4l0-21swapper/110:29:011
111391280,0ptp4l0-21swapper/109:25:471
111391280,0ptp4l0-21swapper/012:12:050
111391280,0ptp4l0-21swapper/011:53:070
111391280,0ptp4l0-21swapper/009:47:210
111391270,1ptp4l0-21swapper/007:10:100
111391270,0ptp4l0-21swapper/511:25:085
111391270,0ptp4l0-21swapper/509:21:595
111391270,0ptp4l0-21swapper/411:43:034
111391270,0ptp4l0-21swapper/411:36:314
111391270,0ptp4l0-21swapper/411:15:044
111391270,0ptp4l0-21swapper/409:26:164
111391270,0ptp4l0-21swapper/110:52:041
111391270,0ptp4l0-21swapper/110:30:441
111391270,0ptp4l0-21swapper/109:39:281
111391270,0ptp4l0-21swapper/012:07:050
111391260,1ptp4l16154-21munin-run08:50:000
111391260,0ptp4l0-21swapper/611:53:316
111391260,0ptp4l0-21swapper/511:19:425
111391260,0ptp4l0-21swapper/511:06:255
111391260,0ptp4l0-21swapper/511:06:255
111391260,0ptp4l0-21swapper/509:05:195
111391260,0ptp4l0-21swapper/411:26:074
111391260,0ptp4l0-21swapper/411:09:294
111391260,0ptp4l0-21swapper/411:09:294
111391260,0ptp4l0-21swapper/410:28:314
111391260,0ptp4l0-21swapper/409:20:344
111391260,0ptp4l0-21swapper/012:03:320
111391260,0ptp4l0-21swapper/010:50:420
111391260,0ptp4l0-21swapper/008:07:440
111391250,1ptp4l3005-21sed12:30:001
111391250,1ptp4l26289-21irqrtprio09:10:151
111391250,0ptp4l0-21swapper/512:09:545
111391250,0ptp4l0-21swapper/509:25:195
111391250,0ptp4l0-21swapper/412:33:104
111391250,0ptp4l0-21swapper/410:45:134
111391250,0ptp4l0-21swapper/410:07:384
111391250,0ptp4l0-21swapper/408:35:204
111391250,0ptp4l0-21swapper/408:20:214
111391250,0ptp4l0-21swapper/408:10:164
111391250,0ptp4l0-21swapper/011:18:210
111391250,0ptp4l0-21swapper/011:10:000
111391250,0ptp4l0-21swapper/011:10:000
111391250,0ptp4l0-21swapper/010:48:120
111391250,0ptp4l0-21swapper/009:53:240
111391250,0ptp4l0-21swapper/008:50:170
111391240,1ptp4l9135-21users07:20:210
111391240,1ptp4l7093-21ssh11:48:111
111391240,1ptp4l25547-21memory10:40:141
111391240,1ptp4l25329-21diskmemload09:55:181
111391240,0ptp4l0-21swapper/512:32:145
111391240,0ptp4l0-21swapper/510:58:225
111391240,0ptp4l0-21swapper/509:45:205
111391240,0ptp4l0-21swapper/412:19:084
111391240,0ptp4l0-21swapper/412:00:394
111391240,0ptp4l0-21swapper/411:48:594
111391240,0ptp4l0-21swapper/411:11:294
111391240,0ptp4l0-21swapper/410:41:544
111391240,0ptp4l0-21swapper/409:41:094
111391240,0ptp4l0-21swapper/409:35:124
111391240,0ptp4l0-21swapper/408:49:444
111391240,0ptp4l0-21swapper/408:04:414
111391240,0ptp4l0-21swapper/407:35:164
111391240,0ptp4l0-21swapper/112:39:241
111391240,0ptp4l0-21swapper/110:10:201
111391240,0ptp4l0-21swapper/108:05:111
111391240,0ptp4l0-21swapper/009:58:070
111391240,0ptp4l0-21swapper/009:30:250
111391240,0ptp4l0-21swapper/009:00:120
111391240,0ptp4l0-21swapper/008:44:500
111391240,0ptp4l0-21swapper/008:20:170
111391240,0ptp4l0-21swapper/007:35:140
111391230,1ptp4l22308-21/usr/sbin/munin09:50:171
111391230,1ptp4l16558-21latency_hist07:40:005
111391230,1ptp4l14773-21/usr/sbin/munin09:40:135
111391230,0ptp4l0-21swapper/710:55:127
111391230,0ptp4l0-21swapper/708:28:427
111391230,0ptp4l0-21swapper/708:28:417
111391230,0ptp4l0-21swapper/511:30:205
111391230,0ptp4l0-21swapper/509:55:145
111391230,0ptp4l0-21swapper/509:18:435
111391230,0ptp4l0-21swapper/509:10:115
111391230,0ptp4l0-21swapper/508:15:165
111391230,0ptp4l0-21swapper/508:05:105
111391230,0ptp4l0-21swapper/507:30:125
111391230,0ptp4l0-21swapper/410:11:444
111391230,0ptp4l0-21swapper/410:01:334
111391230,0ptp4l0-21swapper/409:11:054
111391230,0ptp4l0-21swapper/409:00:124
111391230,0ptp4l0-21swapper/408:55:114
111391230,0ptp4l0-21swapper/408:50:134
111391230,0ptp4l0-21swapper/408:30:124
111391230,0ptp4l0-21swapper/408:25:194
111391230,0ptp4l0-21swapper/408:25:194
111391230,0ptp4l0-21swapper/407:57:144
111391230,0ptp4l0-21swapper/407:45:014
111391230,0ptp4l0-21swapper/407:40:114
111391230,0ptp4l0-21swapper/407:32:544
111391230,0ptp4l0-21swapper/407:15:124
111391230,0ptp4l0-21swapper/407:10:154
111391230,0ptp4l0-21swapper/111:42:021
111391230,0ptp4l0-21swapper/111:30:201
111391230,0ptp4l0-21swapper/110:05:031
111391230,0ptp4l0-21swapper/109:45:171
111391230,0ptp4l0-21swapper/109:45:001
111391230,0ptp4l0-21swapper/109:20:191
111391230,0ptp4l0-21swapper/108:55:191
111391230,0ptp4l0-21swapper/108:20:391
111391230,0ptp4l0-21swapper/108:12:251
111391230,0ptp4l0-21swapper/107:53:071
111391230,0ptp4l0-21swapper/107:30:121
111391230,0ptp4l0-21swapper/012:17:320
111391230,0ptp4l0-21swapper/011:40:130
111391230,0ptp4l0-21swapper/010:20:200
111391230,0ptp4l0-21swapper/010:06:580
111391230,0ptp4l0-21swapper/010:00:110
111391230,0ptp4l0-21swapper/009:40:150
111391230,0ptp4l0-21swapper/009:15:200
111391230,0ptp4l0-21swapper/009:00:010
111391230,0ptp4l0-21swapper/008:15:110
111391230,0ptp4l0-21swapper/008:00:100
111391230,0ptp4l0-21swapper/007:55:200
111391230,0ptp4l0-21swapper/007:45:350
111391230,0ptp4l0-21swapper/007:40:150
111391230,0ptp4l0-21swapper/007:25:180
111391230,0ptp4l0-21swapper/007:15:190
111391220,2ptp4l0-21swapper/611:02:496
111391220,2ptp4l0-21swapper/611:02:496
111391220,0ptp4l0-21swapper/711:08:187
111391220,0ptp4l0-21swapper/711:08:177
111391220,0ptp4l0-21swapper/710:18:597
111391220,0ptp4l0-21swapper/612:32:286
111391220,0ptp4l0-21swapper/610:15:146
111391220,0ptp4l0-21swapper/610:11:506
111391220,0ptp4l0-21swapper/609:50:076
111391220,0ptp4l0-21swapper/607:56:546
111391220,0ptp4l0-21swapper/512:01:535
111391220,0ptp4l0-21swapper/511:44:275
111391220,0ptp4l0-21swapper/510:45:045
111391220,0ptp4l0-21swapper/510:35:215
111391220,0ptp4l0-21swapper/510:30:135
111391220,0ptp4l0-21swapper/510:26:265
111391220,0ptp4l0-21swapper/510:10:215
111391220,0ptp4l0-21swapper/510:04:595
111391220,0ptp4l0-21swapper/509:05:015
111391220,0ptp4l0-21swapper/508:55:185
111391220,0ptp4l0-21swapper/508:25:135
111391220,0ptp4l0-21swapper/508:25:135
111391220,0ptp4l0-21swapper/508:00:185
111391220,0ptp4l0-21swapper/507:25:125
111391220,0ptp4l0-21swapper/411:21:424
111391220,0ptp4l0-21swapper/410:15:174
111391220,0ptp4l0-21swapper/408:40:144
111391220,0ptp4l0-21swapper/408:19:254
111391220,0ptp4l0-21swapper/408:08:424
111391220,0ptp4l0-21swapper/407:54:084
111391220,0ptp4l0-21swapper/407:25:174
111391220,0ptp4l0-21swapper/407:20:144
111391220,0ptp4l0-21swapper/311:08:423
111391220,0ptp4l0-21swapper/311:08:423
111391220,0ptp4l0-21swapper/310:55:113
111391220,0ptp4l0-21swapper/211:02:502
111391220,0ptp4l0-21swapper/211:02:502
111391220,0ptp4l0-21swapper/210:39:132
111391220,0ptp4l0-21swapper/210:11:492
111391220,0ptp4l0-21swapper/112:30:111
111391220,0ptp4l0-21swapper/112:15:111
111391220,0ptp4l0-21swapper/112:10:141
111391220,0ptp4l0-21swapper/112:09:011
111391220,0ptp4l0-21swapper/112:02:271
111391220,0ptp4l0-21swapper/111:51:541
111391220,0ptp4l0-21swapper/111:35:011
111391220,0ptp4l0-21swapper/111:25:101
111391220,0ptp4l0-21swapper/111:22:211
111391220,0ptp4l0-21swapper/111:15:161
111391220,0ptp4l0-21swapper/111:12:261
111391220,0ptp4l0-21swapper/111:05:091
111391220,0ptp4l0-21swapper/111:05:091
111391220,0ptp4l0-21swapper/111:02:401
111391220,0ptp4l0-21swapper/111:02:401
111391220,0ptp4l0-21swapper/110:58:481
111391220,0ptp4l0-21swapper/110:35:171
111391220,0ptp4l0-21swapper/110:24:171
111391220,0ptp4l0-21swapper/108:25:141
111391220,0ptp4l0-21swapper/108:25:141
111391220,0ptp4l0-21swapper/108:15:111
111391220,0ptp4l0-21swapper/108:00:171
111391220,0ptp4l0-21swapper/107:25:111
111391220,0ptp4l0-21swapper/012:32:160
111391220,0ptp4l0-21swapper/010:31:140
111391220,0ptp4l0-21swapper/009:35:140
111391220,0ptp4l0-21swapper/009:20:110
111391220,0ptp4l0-21swapper/009:13:280
111391220,0ptp4l0-21swapper/008:35:120
111391220,0ptp4l0-21swapper/008:31:270
111391220,0ptp4l0-21swapper/007:30:180
111391210,0ptp4l0-21swapper/711:16:327
111391210,0ptp4l0-21swapper/710:54:517
111391210,0ptp4l0-21swapper/610:36:516
111391210,0ptp4l0-21swapper/512:36:535
111391210,0ptp4l0-21swapper/512:21:215
111391210,0ptp4l0-21swapper/511:22:385
111391210,0ptp4l0-21swapper/511:03:225
111391210,0ptp4l0-21swapper/511:03:225
111391210,0ptp4l0-21swapper/510:51:195
111391210,0ptp4l0-21swapper/510:19:265
111391210,0ptp4l0-21swapper/508:47:575
111391210,0ptp4l0-21swapper/508:36:425
111391210,0ptp4l0-21swapper/508:12:255
111391210,0ptp4l0-21swapper/310:18:063
111391210,0ptp4l0-21swapper/211:53:312
111391210,0ptp4l0-21swapper/210:20:482
111391210,0ptp4l0-21swapper/210:03:012
111391210,0ptp4l0-21swapper/209:50:002
111391210,0ptp4l0-21swapper/209:17:252
111391210,0ptp4l0-21swapper/111:56:341
111391210,0ptp4l0-21swapper/110:48:021
111391210,0ptp4l0-21swapper/110:17:471
111391210,0ptp4l0-21swapper/110:00:491
111391210,0ptp4l0-21swapper/109:19:491
111391210,0ptp4l0-21swapper/108:45:551
111391210,0ptp4l0-21swapper/108:41:501
111391210,0ptp4l0-21swapper/108:36:491
111391210,0ptp4l0-21swapper/107:40:001
111391210,0ptp4l0-21swapper/107:39:511
111391210,0ptp4l0-21swapper/107:21:501
111391200,0ptp4l0-21swapper/708:21:577
111391200,0ptp4l0-21swapper/609:16:576
111391200,0ptp4l0-21swapper/512:15:095
111391200,0ptp4l0-21swapper/511:51:425
111391200,0ptp4l0-21swapper/511:11:005
111391200,0ptp4l0-21swapper/510:21:165
111391200,0ptp4l0-21swapper/507:23:565
111391200,0ptp4l0-21swapper/310:54:493
111391200,0ptp4l0-21swapper/308:27:573
111391200,0ptp4l0-21swapper/308:27:573
111391200,0ptp4l0-21swapper/308:22:573
111391200,0ptp4l0-21swapper/307:13:493
111391200,0ptp4l0-21swapper/212:31:512
111391200,0ptp4l0-21swapper/208:55:512
111391200,0ptp4l0-21swapper/108:51:571
111391200,0ptp4l0-21swapper/009:07:500
111391200,0ptp4l0-21swapper/008:25:100
111391200,0ptp4l0-21swapper/008:25:100
111391190,2ptp4l0-21swapper/112:21:071
111391190,0ptp4l0-21swapper/610:57:106
111391190,0ptp4l0-21swapper/610:29:166
111391190,0ptp4l0-21swapper/610:20:456
111391190,0ptp4l0-21swapper/511:37:265
111391190,0ptp4l0-21swapper/509:34:325
111391190,0ptp4l0-21swapper/507:52:505
111391190,0ptp4l0-21swapper/311:16:353
111391180,0ptp4l0-21swapper/611:56:296
111391180,0ptp4l0-21swapper/608:21:136
111391180,0ptp4l0-21swapper/409:07:144
111391180,0ptp4l0-21swapper/210:29:172
111391180,0ptp4l0-21swapper/109:33:541
2224991713,3cyclictest777-21munin-run11:40:003
111391170,0ptp4l0-21swapper/708:01:147
111391170,0ptp4l0-21swapper/608:08:466
111391170,0ptp4l0-21swapper/312:28:513
111391170,0ptp4l0-21swapper/210:57:092
111391170,0ptp4l0-21swapper/210:52:542
111391170,0ptp4l0-21swapper/107:10:011
111391160,0ptp4l0-21swapper/707:13:177
111391160,0ptp4l0-21swapper/608:39:436
111391160,0ptp4l0-21swapper/508:42:335
111391160,0ptp4l0-21swapper/210:31:432
111391160,0ptp4l0-21swapper/107:59:511
111391160,0ptp4l0-21swapper/107:46:051
111391160,0ptp4l0-21swapper/107:16:191
111391150,0ptp4l0-21swapper/708:30:377
111391150,0ptp4l0-21swapper/611:16:596
111391150,0ptp4l0-21swapper/610:52:546
111391150,0ptp4l0-21swapper/610:31:446
111391150,0ptp4l0-21swapper/609:06:456
111391150,0ptp4l0-21swapper/609:03:256
111391150,0ptp4l0-21swapper/608:03:526
111391150,0ptp4l0-21swapper/607:35:476
111391150,0ptp4l0-21swapper/607:27:186
111391150,0ptp4l0-21swapper/508:50:255
111391150,0ptp4l0-21swapper/508:31:055
111391150,0ptp4l0-21swapper/508:20:295
111391150,0ptp4l0-21swapper/507:57:305
111391150,0ptp4l0-21swapper/507:46:115
111391150,0ptp4l0-21swapper/507:40:015
111391150,0ptp4l0-21swapper/507:18:275
111391150,0ptp4l0-21swapper/507:10:045
111391150,0ptp4l0-21swapper/308:30:363
111391150,0ptp4l0-21swapper/308:01:083
111391150,0ptp4l0-21swapper/211:16:592
111391150,0ptp4l0-21swapper/209:06:432
111391150,0ptp4l0-21swapper/208:46:272
111391150,0ptp4l0-21swapper/208:39:452
111391150,0ptp4l0-21swapper/208:21:092
111391150,0ptp4l0-21swapper/208:03:532
111391150,0ptp4l0-21swapper/207:56:532
111391150,0ptp4l0-21swapper/207:47:202
111391150,0ptp4l0-21swapper/207:27:242
111391150,0ptp4l0-21swapper/109:02:081
111391150,0ptp4l0-21swapper/108:31:011
222499140,1cyclictest0-21swapper/311:55:113
222499140,13cyclictest0-21swapper/312:17:473
222499140,13cyclictest0-21swapper/310:36:563
111391140,0ptp4l0-21swapper/608:55:496
111391140,0ptp4l0-21swapper/608:49:036
111391140,0ptp4l0-21swapper/211:56:292
111391140,0ptp4l0-21swapper/211:32:262
111391140,0ptp4l0-21swapper/209:03:232
111391140,0ptp4l0-21swapper/208:53:062
111391140,0ptp4l0-21swapper/208:44:012
111391140,0ptp4l0-21swapper/208:08:462
111391140,0ptp4l0-21swapper/207:35:452
222499134,6cyclictest1068-21runrttasks07:28:493
222499130,12cyclictest0-21swapper/311:23:243
222499130,12cyclictest0-21swapper/310:09:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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