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2025-12-13 - 21:20

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 Dec 13, 2025 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391680,5ptp4l0-21swapper/407:05:154
111391680,28ptp4l0-21swapper/107:05:101
111391610,30ptp4l0-21swapper/207:09:572
111391610,29ptp4l0-21swapper/007:05:130
111391560,4ptp4l0-21swapper/507:07:295
249592540,0sleep60-21swapper/611:15:176
747425241,6sleep70-21swapper/707:06:107
752824938,6sleep60-21swapper/607:06:506
770724635,7sleep30-21swapper/307:09:103
111391350,0ptp4l0-21swapper/012:25:130
111391300,0ptp4l13425-21latency10:50:160
111391290,0ptp4l0-21swapper/407:20:214
111391280,3ptp4l0-21swapper/510:00:155
111391280,0ptp4l0-21swapper/412:15:124
111391280,0ptp4l0-21swapper/110:05:201
111391280,0ptp4l0-21swapper/011:58:450
111391270,0ptp4l0-21swapper/410:50:004
111391260,0ptp4l0-21swapper/409:39:214
111391260,0ptp4l0-21swapper/012:20:190
111391260,0ptp4l0-21swapper/009:45:130
111391260,0ptp4l0-21swapper/008:55:190
111391250,0ptp4l0-21swapper/711:05:167
111391250,0ptp4l0-21swapper/510:10:135
111391250,0ptp4l0-21swapper/410:05:184
111391250,0ptp4l0-21swapper/407:58:034
111391250,0ptp4l0-21swapper/407:40:134
111391250,0ptp4l0-21swapper/012:10:160
111391250,0ptp4l0-21swapper/012:01:010
111391250,0ptp4l0-21swapper/009:50:200
111391250,0ptp4l0-21swapper/009:20:130
111391240,1ptp4l6109-21fw_forwarded_lo10:35:144
111391240,1ptp4l24240-21idleruntime12:25:154
111391240,1ptp4l23132-21processes10:00:251
111391240,1ptp4l2210-21latency09:15:164
111391240,1ptp4l20371-21hostname08:45:151
111391240,0ptp4l0-21swapper/511:40:175
111391240,0ptp4l0-21swapper/510:40:215
111391240,0ptp4l0-21swapper/508:10:015
111391240,0ptp4l0-21swapper/411:30:004
111391240,0ptp4l0-21swapper/409:05:154
111391240,0ptp4l0-21swapper/408:30:214
111391240,0ptp4l0-21swapper/110:55:181
111391240,0ptp4l0-21swapper/109:00:121
111391240,0ptp4l0-21swapper/108:35:171
111391240,0ptp4l0-21swapper/012:15:120
111391240,0ptp4l0-21swapper/011:10:120
111391240,0ptp4l0-21swapper/009:10:280
111391240,0ptp4l0-21swapper/007:20:190
111391230,1ptp4l8172-21fw_forwarded_lo11:50:121
111391230,1ptp4l29404-21if_err_eno110:15:154
111391230,1ptp4l25799-21/usr/sbin/munin07:45:170
111391230,1ptp4l25799-21/usr/sbin/munin07:45:170
111391230,1ptp4l25447-21irqrtprio07:45:164
111391230,1ptp4l25447-21irqrtprio07:45:154
111391230,1ptp4l20946-21timerwakeupswit11:05:203
111391230,1ptp4l20171-21cut07:35:000
111391230,1ptp4l16912-21munin-run11:00:014
111391230,0ptp4l10129-21users08:20:200
111391230,0ptp4l0-21swapper/512:35:125
111391230,0ptp4l0-21swapper/512:00:115
111391230,0ptp4l0-21swapper/511:55:175
111391230,0ptp4l0-21swapper/511:50:175
111391230,0ptp4l0-21swapper/511:35:155
111391230,0ptp4l0-21swapper/511:15:205
111391230,0ptp4l0-21swapper/509:40:395
111391230,0ptp4l0-21swapper/509:25:015
111391230,0ptp4l0-21swapper/509:00:125
111391230,0ptp4l0-21swapper/508:35:125
111391230,0ptp4l0-21swapper/508:10:115
111391230,0ptp4l0-21swapper/411:20:124
111391230,0ptp4l0-21swapper/410:10:154
111391230,0ptp4l0-21swapper/409:50:224
111391230,0ptp4l0-21swapper/409:20:134
111391230,0ptp4l0-21swapper/409:10:304
111391230,0ptp4l0-21swapper/408:55:194
111391230,0ptp4l0-21swapper/408:40:314
111391230,0ptp4l0-21swapper/408:25:184
111391230,0ptp4l0-21swapper/408:20:154
111391230,0ptp4l0-21swapper/408:18:284
111391230,0ptp4l0-21swapper/312:05:143
111391230,0ptp4l0-21swapper/307:25:213
111391230,0ptp4l0-21swapper/208:15:132
111391230,0ptp4l0-21swapper/208:00:182
111391230,0ptp4l0-21swapper/207:10:122
111391230,0ptp4l0-21swapper/110:30:201
111391230,0ptp4l0-21swapper/109:40:351
111391230,0ptp4l0-21swapper/108:50:141
111391230,0ptp4l0-21swapper/108:00:011
111391230,0ptp4l0-21swapper/011:45:190
111391230,0ptp4l0-21swapper/010:45:130
111391230,0ptp4l0-21swapper/010:30:190
111391230,0ptp4l0-21swapper/010:15:130
111391230,0ptp4l0-21swapper/009:30:120
111391230,0ptp4l0-21swapper/009:30:000
111391230,0ptp4l0-21swapper/009:15:140
111391230,0ptp4l0-21swapper/008:15:180
111391230,0ptp4l0-21swapper/007:45:000
111391230,0ptp4l0-21swapper/007:15:090
111391220,3ptp4l0-21swapper/510:50:265
111391220,0ptp4l0-21swapper/712:25:167
111391220,0ptp4l0-21swapper/712:05:127
111391220,0ptp4l0-21swapper/711:54:317
111391220,0ptp4l0-21swapper/711:15:017
111391220,0ptp4l0-21swapper/707:25:177
111391220,0ptp4l0-21swapper/607:10:116
111391220,0ptp4l0-21swapper/512:14:135
111391220,0ptp4l0-21swapper/511:00:115
111391220,0ptp4l0-21swapper/510:55:125
111391220,0ptp4l0-21swapper/510:45:165
111391220,0ptp4l0-21swapper/510:20:175
111391220,0ptp4l0-21swapper/510:05:125
111391220,0ptp4l0-21swapper/509:56:015
111391220,0ptp4l0-21swapper/509:35:145
111391220,0ptp4l0-21swapper/509:20:185
111391220,0ptp4l0-21swapper/508:45:155
111391220,0ptp4l0-21swapper/508:45:005
111391220,0ptp4l0-21swapper/508:00:165
111391220,0ptp4l0-21swapper/507:20:015
111391220,0ptp4l0-21swapper/412:30:124
111391220,0ptp4l0-21swapper/412:20:144
111391220,0ptp4l0-21swapper/412:10:154
111391220,0ptp4l0-21swapper/412:00:164
111391220,0ptp4l0-21swapper/411:30:144
111391220,0ptp4l0-21swapper/411:10:454
111391220,0ptp4l0-21swapper/411:00:164
111391220,0ptp4l0-21swapper/410:25:014
111391220,0ptp4l0-21swapper/410:25:014
111391220,0ptp4l0-21swapper/409:45:214
111391220,0ptp4l0-21swapper/409:30:124
111391220,0ptp4l0-21swapper/409:25:184
111391220,0ptp4l0-21swapper/407:50:134
111391220,0ptp4l0-21swapper/407:35:184
111391220,0ptp4l0-21swapper/407:30:124
111391220,0ptp4l0-21swapper/407:15:004
111391220,0ptp4l0-21swapper/407:11:414
111391220,0ptp4l0-21swapper/312:25:353
111391220,0ptp4l0-21swapper/311:15:013
111391220,0ptp4l0-21swapper/207:50:012
111391220,0ptp4l0-21swapper/207:50:002
111391220,0ptp4l0-21swapper/112:10:201
111391220,0ptp4l0-21swapper/111:40:181
111391220,0ptp4l0-21swapper/111:35:141
111391220,0ptp4l0-21swapper/111:15:201
111391220,0ptp4l0-21swapper/110:45:181
111391220,0ptp4l0-21swapper/110:40:181
111391220,0ptp4l0-21swapper/110:20:191
111391220,0ptp4l0-21swapper/109:35:131
111391220,0ptp4l0-21swapper/108:05:141
111391220,0ptp4l0-21swapper/108:00:131
111391220,0ptp4l0-21swapper/011:30:120
111391220,0ptp4l0-21swapper/011:25:150
111391220,0ptp4l0-21swapper/011:20:130
111391220,0ptp4l0-21swapper/011:05:130
111391220,0ptp4l0-21swapper/010:35:150
111391220,0ptp4l0-21swapper/010:25:140
111391220,0ptp4l0-21swapper/010:25:140
111391220,0ptp4l0-21swapper/010:24:020
111391220,0ptp4l0-21swapper/010:00:280
111391220,0ptp4l0-21swapper/009:35:180
111391220,0ptp4l0-21swapper/009:05:160
111391220,0ptp4l0-21swapper/008:40:340
111391220,0ptp4l0-21swapper/007:55:010
111391220,0ptp4l0-21swapper/007:50:120
111391220,0ptp4l0-21swapper/007:35:220
111391220,0ptp4l0-21swapper/007:10:150
111391210,0ptp4l0-21swapper/712:02:027
111391210,0ptp4l0-21swapper/711:15:067
111391210,0ptp4l0-21swapper/512:15:155
111391210,0ptp4l0-21swapper/511:48:435
111391210,0ptp4l0-21swapper/510:30:135
111391210,0ptp4l0-21swapper/509:52:145
111391210,0ptp4l0-21swapper/508:50:145
111391210,0ptp4l0-21swapper/508:30:165
111391210,0ptp4l0-21swapper/412:39:094
111391210,0ptp4l0-21swapper/411:45:044
111391210,0ptp4l0-21swapper/411:05:154
111391210,0ptp4l0-21swapper/410:50:124
111391210,0ptp4l0-21swapper/408:39:214
111391210,0ptp4l0-21swapper/112:35:121
111391210,0ptp4l0-21swapper/112:15:161
111391210,0ptp4l0-21swapper/109:25:131
111391210,0ptp4l0-21swapper/109:20:191
111391210,0ptp4l0-21swapper/108:30:131
111391210,0ptp4l0-21swapper/108:10:161
111391210,0ptp4l0-21swapper/107:20:151
111391210,0ptp4l0-21swapper/012:30:190
111391210,0ptp4l0-21swapper/010:58:330
111391210,0ptp4l0-21swapper/010:05:150
111391210,0ptp4l0-21swapper/009:55:140
111391210,0ptp4l0-21swapper/009:02:350
111391210,0ptp4l0-21swapper/008:39:440
111391210,0ptp4l0-21swapper/008:30:590
111391210,0ptp4l0-21swapper/008:25:180
111391210,0ptp4l0-21swapper/008:14:450
111391210,0ptp4l0-21swapper/008:04:020
111391210,0ptp4l0-21swapper/007:26:190
111391200,0ptp4l0-21swapper/709:57:197
111391200,0ptp4l0-21swapper/608:58:336
111391200,0ptp4l0-21swapper/608:15:156
111391200,0ptp4l0-21swapper/512:34:315
111391200,0ptp4l0-21swapper/411:58:314
111391200,0ptp4l0-21swapper/411:42:224
111391200,0ptp4l0-21swapper/411:18:204
111391200,0ptp4l0-21swapper/410:42:214
111391200,0ptp4l0-21swapper/410:31:574
111391200,0ptp4l0-21swapper/410:20:484
111391200,0ptp4l0-21swapper/410:00:034
111391200,0ptp4l0-21swapper/408:47:034
111391200,0ptp4l0-21swapper/408:12:424
111391200,0ptp4l0-21swapper/408:04:204
111391200,0ptp4l0-21swapper/407:28:174
111391200,0ptp4l0-21swapper/312:02:313
111391200,0ptp4l0-21swapper/310:08:213
111391200,0ptp4l0-21swapper/210:49:212
111391200,0ptp4l0-21swapper/208:58:372
111391200,0ptp4l0-21swapper/112:00:111
111391200,0ptp4l0-21swapper/111:00:121
111391200,0ptp4l0-21swapper/109:52:191
111391200,0ptp4l0-21swapper/109:14:211
111391200,0ptp4l0-21swapper/108:44:211
111391200,0ptp4l0-21swapper/107:27:431
111391200,0ptp4l0-21swapper/012:08:310
111391200,0ptp4l0-21swapper/011:00:140
111391200,0ptp4l0-21swapper/010:10:230
111391200,0ptp4l0-21swapper/009:42:230
111391200,0ptp4l0-21swapper/008:46:210
111391190,3ptp4l0-21swapper/308:53:053
111391190,2ptp4l0-21swapper/507:32:455
111391190,2ptp4l0-21swapper/011:19:270
111391190,0ptp4l0-21swapper/711:55:107
111391190,0ptp4l0-21swapper/711:38:127
111391190,0ptp4l0-21swapper/511:34:445
111391190,0ptp4l0-21swapper/509:33:555
111391190,0ptp4l0-21swapper/509:12:385
111391190,0ptp4l0-21swapper/509:08:185
111391190,0ptp4l0-21swapper/508:59:555
111391190,0ptp4l0-21swapper/507:25:225
111391190,0ptp4l0-21swapper/412:08:454
111391190,0ptp4l0-21swapper/409:55:164
111391190,0ptp4l0-21swapper/409:43:134
111391190,0ptp4l0-21swapper/311:53:473
111391190,0ptp4l0-21swapper/311:26:213
111391190,0ptp4l0-21swapper/112:07:101
111391190,0ptp4l0-21swapper/110:54:561
111391190,0ptp4l0-21swapper/011:40:020
111391190,0ptp4l0-21swapper/008:08:210
111391180,2ptp4l0-21swapper/107:50:281
111391180,2ptp4l0-21swapper/107:46:131
111391180,2ptp4l0-21swapper/107:46:121
111391180,1ptp4l26969-21df10:10:121
111391180,0ptp4l0-21swapper/610:59:566
111391180,0ptp4l0-21swapper/610:19:556
111391180,0ptp4l0-21swapper/610:02:126
111391180,0ptp4l0-21swapper/510:26:115
111391180,0ptp4l0-21swapper/510:26:105
111391180,0ptp4l0-21swapper/411:36:274
111391180,0ptp4l0-21swapper/409:04:194
111391180,0ptp4l0-21swapper/309:56:433
111391180,0ptp4l0-21swapper/210:19:422
111391180,0ptp4l0-21swapper/111:55:141
111391180,0ptp4l0-21swapper/111:34:131
111391180,0ptp4l0-21swapper/109:34:001
111391180,0ptp4l0-21swapper/109:05:421
111391180,0ptp4l0-21swapper/108:58:091
111391180,0ptp4l0-21swapper/108:25:311
111391180,0ptp4l0-21swapper/008:52:420
111391170,0ptp4l0-21swapper/710:08:287
111391170,0ptp4l0-21swapper/612:10:456
111391170,0ptp4l0-21swapper/508:25:315
111391170,0ptp4l0-21swapper/207:22:552
111391170,0ptp4l0-21swapper/111:46:441
111391170,0ptp4l0-21swapper/111:06:441
111391170,0ptp4l0-21swapper/107:37:001
111391170,0ptp4l0-21swapper/107:30:261
111391160,1ptp4l9-21ksoftirqd/011:37:210
111391160,1ptp4l0-21swapper/408:51:004
111391160,0ptp4l0-21swapper/711:42:477
111391160,0ptp4l0-21swapper/708:53:297
111391160,0ptp4l0-21swapper/610:47:446
111391160,0ptp4l0-21swapper/507:35:225
111391160,0ptp4l0-21swapper/408:09:214
111391160,0ptp4l0-21swapper/311:15:123
111391160,0ptp4l0-21swapper/112:32:331
111391160,0ptp4l0-21swapper/112:26:101
111391160,0ptp4l0-21swapper/112:20:031
111391160,0ptp4l0-21swapper/111:25:261
111391160,0ptp4l0-21swapper/111:22:331
111391160,0ptp4l0-21swapper/111:12:051
111391160,0ptp4l0-21swapper/110:36:261
111391160,0ptp4l0-21swapper/110:25:571
111391160,0ptp4l0-21swapper/110:25:571
111391160,0ptp4l0-21swapper/109:45:351
111391160,0ptp4l0-21swapper/109:16:291
111391160,0ptp4l0-21swapper/107:17:521
111391160,0ptp4l0-21swapper/107:11:411
111391160,0ptp4l0-21swapper/011:53:310
194632150,0sleep20-21swapper/212:15:112
111391150,0ptp4l8026-21cyclictest08:00:186
111391150,0ptp4l0-21swapper/711:47:027
111391150,0ptp4l0-21swapper/711:25:597
111391150,0ptp4l0-21swapper/709:45:087
111391150,0ptp4l0-21swapper/612:28:436
111391150,0ptp4l0-21swapper/612:22:316
111391150,0ptp4l0-21swapper/612:17:466
111391150,0ptp4l0-21swapper/612:06:166
111391150,0ptp4l0-21swapper/611:48:506
111391150,0ptp4l0-21swapper/611:24:286
111391150,0ptp4l0-21swapper/610:32:246
111391150,0ptp4l0-21swapper/610:20:566
111391150,0ptp4l0-21swapper/609:53:076
111391150,0ptp4l0-21swapper/609:43:566
111391150,0ptp4l0-21swapper/608:45:556
111391150,0ptp4l0-21swapper/608:38:146
111391150,0ptp4l0-21swapper/608:22:046
111391150,0ptp4l0-21swapper/607:51:116
111391150,0ptp4l0-21swapper/607:21:346
111391150,0ptp4l0-21swapper/512:26:175
111391150,0ptp4l0-21swapper/512:21:115
111391150,0ptp4l0-21swapper/512:06:525
111391150,0ptp4l0-21swapper/511:25:285
111391150,0ptp4l0-21swapper/511:22:345
111391150,0ptp4l0-21swapper/511:11:205
111391150,0ptp4l0-21swapper/511:05:075
111391150,0ptp4l0-21swapper/510:35:015
111391150,0ptp4l0-21swapper/509:48:015
111391150,0ptp4l0-21swapper/509:15:575
111391150,0ptp4l0-21swapper/508:20:235
111391150,0ptp4l0-21swapper/508:19:345
111391150,0ptp4l0-21swapper/507:56:365
111391150,0ptp4l0-21swapper/507:50:275
111391150,0ptp4l0-21swapper/507:49:535
111391150,0ptp4l0-21swapper/507:49:535
111391150,0ptp4l0-21swapper/507:40:325
111391150,0ptp4l0-21swapper/507:19:495
111391150,0ptp4l0-21swapper/507:12:095
111391150,0ptp4l0-21swapper/411:50:274
111391150,0ptp4l0-21swapper/311:55:073
111391150,0ptp4l0-21swapper/311:47:063
111391150,0ptp4l0-21swapper/311:38:163
111391150,0ptp4l0-21swapper/212:20:312
111391150,0ptp4l0-21swapper/211:26:452
111391150,0ptp4l0-21swapper/211:24:272
111391150,0ptp4l0-21swapper/211:09:392
111391150,0ptp4l0-21swapper/210:59:592
111391150,0ptp4l0-21swapper/210:20:572
111391150,0ptp4l0-21swapper/210:06:062
111391150,0ptp4l0-21swapper/209:52:272
111391150,0ptp4l0-21swapper/209:45:572
111391150,0ptp4l0-21swapper/209:43:552
111391150,0ptp4l0-21swapper/209:38:592
111391150,0ptp4l0-21swapper/208:45:522
111391150,0ptp4l0-21swapper/207:50:042
111391150,0ptp4l0-21swapper/109:55:281
111391150,0ptp4l0-21swapper/108:20:231
111391150,0ptp4l0-21swapper/108:17:091
111391150,0ptp4l0-21swapper/107:40:311
111391150,0ptp4l0-21swapper/012:38:520
111391150,0ptp4l0-21swapper/010:40:010
111391140,0ptp4l0-21swapper/611:26:436
111391140,0ptp4l0-21swapper/611:11:556
111391140,0ptp4l0-21swapper/611:09:406
111391140,0ptp4l0-21swapper/610:06:066
111391140,0ptp4l0-21swapper/609:45:566
111391140,0ptp4l0-21swapper/609:38:536
111391140,0ptp4l0-21swapper/609:27:136
111391140,0ptp4l0-21swapper/609:11:016
111391140,0ptp4l0-21swapper/608:31:116
111391140,0ptp4l0-21swapper/608:11:486
111391140,0ptp4l0-21swapper/607:40:276
111391140,0ptp4l0-21swapper/607:15:546
111391140,0ptp4l0-21swapper/311:42:453
111391140,0ptp4l0-21swapper/309:45:093
111391140,0ptp4l0-21swapper/212:28:412
111391140,0ptp4l0-21swapper/212:10:402
111391140,0ptp4l0-21swapper/212:06:152
111391140,0ptp4l0-21swapper/211:48:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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