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2026-09-10 - 16:13

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 10, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391690,30ptp4l0-21swapper/207:05:162
111391610,5ptp4l0-21swapper/007:07:530
225492600,0sleep40-21swapper/407:45:214
1881915936,6phc2sys0-21swapper/407:05:404
404025139,7sleep10-21swapper/107:08:181
111391490,5ptp4l0-21swapper/607:05:226
409224838,6sleep70-21swapper/707:08:567
411924736,7sleep50-21swapper/507:09:195
386924634,7sleep30-21swapper/307:06:033
111391320,7ptp4l27565-21diskmemload10:21:404
111391310,0ptp4l0-21swapper/511:11:165
111391310,0ptp4l0-21swapper/412:38:264
111391310,0ptp4l0-21swapper/412:18:044
111391310,0ptp4l0-21swapper/407:30:154
111391310,0ptp4l0-21swapper/311:23:563
111391310,0ptp4l0-21swapper/110:09:001
111391300,3ptp4l0-21swapper/411:30:334
111391300,1ptp4l0-21swapper/410:48:554
111391300,0ptp4l0-21swapper/510:46:555
111391300,0ptp4l0-21swapper/510:11:515
111391300,0ptp4l0-21swapper/507:27:235
111391300,0ptp4l0-21swapper/411:00:494
111391300,0ptp4l0-21swapper/111:37:501
111391300,0ptp4l0-21swapper/110:58:421
111391300,0ptp4l0-21swapper/110:58:421
111391300,0ptp4l0-21swapper/107:20:141
111391300,0ptp4l0-21swapper/009:10:170
111391290,1ptp4l446499cyclictest11:16:394
111391290,0ptp4l0-21swapper/511:48:085
111391290,0ptp4l0-21swapper/508:25:205
111391290,0ptp4l0-21swapper/410:30:334
111391290,0ptp4l0-21swapper/410:10:104
111391280,2ptp4l0-21swapper/409:48:044
111391280,0ptp4l0-21swapper/712:13:497
111391280,0ptp4l0-21swapper/511:39:035
111391280,0ptp4l0-21swapper/511:21:095
111391280,0ptp4l0-21swapper/509:29:405
111391280,0ptp4l0-21swapper/409:53:364
111391280,0ptp4l0-21swapper/409:19:024
111391280,0ptp4l0-21swapper/409:14:144
111391280,0ptp4l0-21swapper/111:52:101
111391280,0ptp4l0-21swapper/111:18:001
111391280,0ptp4l0-21swapper/109:11:191
111391280,0ptp4l0-21swapper/108:40:121
111391280,0ptp4l0-21swapper/011:07:500
111391270,2ptp4l0-21swapper/510:37:445
111391270,2ptp4l0-21swapper/412:33:204
111391270,0ptp4l0-21swapper/509:55:155
111391270,0ptp4l0-21swapper/112:27:361
111391270,0ptp4l0-21swapper/112:01:161
111391270,0ptp4l0-21swapper/111:21:211
111391270,0ptp4l0-21swapper/110:40:431
111391270,0ptp4l0-21swapper/110:28:291
111391260,0ptp4l0-21swapper/609:00:016
111391260,0ptp4l0-21swapper/511:40:025
111391260,0ptp4l0-21swapper/510:42:185
111391260,0ptp4l0-21swapper/510:34:045
111391260,0ptp4l0-21swapper/507:50:335
111391260,0ptp4l0-21swapper/411:07:374
111391260,0ptp4l0-21swapper/112:21:161
111391260,0ptp4l0-21swapper/112:07:191
111391260,0ptp4l0-21swapper/111:02:551
111391260,0ptp4l0-21swapper/110:33:281
111391260,0ptp4l0-21swapper/110:20:171
111391260,0ptp4l0-21swapper/110:18:281
111391260,0ptp4l0-21swapper/110:12:391
111391260,0ptp4l0-21swapper/109:26:581
111391260,0ptp4l0-21swapper/010:20:540
111391250,3ptp4l721ktimersoftd/708:10:157
111391250,0ptp4l0-21swapper/512:07:115
111391250,0ptp4l0-21swapper/508:45:185
111391250,0ptp4l0-21swapper/508:35:135
111391250,0ptp4l0-21swapper/507:40:115
111391250,0ptp4l0-21swapper/507:37:015
111391250,0ptp4l0-21swapper/412:23:174
111391250,0ptp4l0-21swapper/411:52:204
111391250,0ptp4l0-21swapper/410:04:524
111391250,0ptp4l0-21swapper/409:07:184
111391250,0ptp4l0-21swapper/409:00:154
111391250,0ptp4l0-21swapper/312:13:483
111391250,0ptp4l0-21swapper/209:55:192
111391250,0ptp4l0-21swapper/112:36:331
111391250,0ptp4l0-21swapper/111:26:271
111391250,0ptp4l0-21swapper/109:39:421
111391250,0ptp4l0-21swapper/108:34:371
111391250,0ptp4l0-21swapper/012:08:020
111391250,0ptp4l0-21swapper/012:00:180
111391250,0ptp4l0-21swapper/009:25:130
111391240,3ptp4l0-21swapper/512:16:295
111391240,1ptp4l16650-21munin-run12:00:002
111391240,1ptp4l15592-21ls11:10:184
111391240,1ptp4l1068-21runrttasks09:25:124
111391240,0ptp4l0-21swapper/512:28:055
111391240,0ptp4l0-21swapper/511:25:155
111391240,0ptp4l0-21swapper/509:11:125
111391240,0ptp4l0-21swapper/507:55:125
111391240,0ptp4l0-21swapper/412:26:184
111391240,0ptp4l0-21swapper/412:12:384
111391240,0ptp4l0-21swapper/411:58:004
111391240,0ptp4l0-21swapper/411:49:394
111391240,0ptp4l0-21swapper/411:35:284
111391240,0ptp4l0-21swapper/408:30:044
111391240,0ptp4l0-21swapper/407:12:004
111391240,0ptp4l0-21swapper/312:16:023
111391240,0ptp4l0-21swapper/111:12:041
111391240,0ptp4l0-21swapper/109:40:111
111391240,0ptp4l0-21swapper/108:50:091
111391240,0ptp4l0-21swapper/108:04:381
111391240,0ptp4l0-21swapper/107:56:441
111391240,0ptp4l0-21swapper/107:34:391
111391240,0ptp4l0-21swapper/011:20:160
111391240,0ptp4l0-21swapper/009:15:180
111391230,4ptp4l0-21swapper/408:59:504
111391230,2ptp4l0-21swapper/411:42:064
111391230,1ptp4l6653-21sed07:15:000
111391230,1ptp4l583-21ps11:35:160
111391230,1ptp4l22649-21/usr/sbin/munin11:20:174
111391230,1ptp4l10126-21ptp4l-jitter10:15:174
111391230,0ptp4l0-21swapper/612:05:186
111391230,0ptp4l0-21swapper/512:33:555
111391230,0ptp4l0-21swapper/510:21:305
111391230,0ptp4l0-21swapper/509:01:445
111391230,0ptp4l0-21swapper/508:20:155
111391230,0ptp4l0-21swapper/508:20:145
111391230,0ptp4l0-21swapper/508:00:145
111391230,0ptp4l0-21swapper/507:47:525
111391230,0ptp4l0-21swapper/507:34:075
111391230,0ptp4l0-21swapper/410:25:184
111391230,0ptp4l0-21swapper/409:31:564
111391230,0ptp4l0-21swapper/409:24:154
111391230,0ptp4l0-21swapper/408:28:274
111391230,0ptp4l0-21swapper/408:00:494
111391230,0ptp4l0-21swapper/407:55:184
111391230,0ptp4l0-21swapper/312:29:583
111391230,0ptp4l0-21swapper/308:45:223
111391230,0ptp4l0-21swapper/110:35:171
111391230,0ptp4l0-21swapper/109:55:111
111391230,0ptp4l0-21swapper/109:05:141
111391230,0ptp4l0-21swapper/109:04:261
111391230,0ptp4l0-21swapper/108:35:131
111391230,0ptp4l0-21swapper/108:24:551
111391230,0ptp4l0-21swapper/108:24:541
111391230,0ptp4l0-21swapper/108:15:131
111391230,0ptp4l0-21swapper/108:15:121
111391230,0ptp4l0-21swapper/108:14:421
111391230,0ptp4l0-21swapper/107:50:171
111391230,0ptp4l0-21swapper/012:25:140
111391230,0ptp4l0-21swapper/012:10:340
111391230,0ptp4l0-21swapper/011:50:160
111391230,0ptp4l0-21swapper/011:40:130
111391230,0ptp4l0-21swapper/011:30:190
111391230,0ptp4l0-21swapper/010:50:190
111391230,0ptp4l0-21swapper/010:45:150
111391230,0ptp4l0-21swapper/010:10:130
111391230,0ptp4l0-21swapper/010:00:120
111391230,0ptp4l0-21swapper/009:39:590
111391230,0ptp4l0-21swapper/007:30:180
111391230,0ptp4l0-21swapper/007:23:390
111391220,3ptp4l0-21swapper/507:20:575
111391220,1ptp4l21924-21irqstats07:45:150
111391220,0ptp4l2213-21ssh10:05:124
111391220,0ptp4l0-21swapper/712:03:247
111391220,0ptp4l0-21swapper/708:45:187
111391220,0ptp4l0-21swapper/612:27:446
111391220,0ptp4l0-21swapper/612:22:396
111391220,0ptp4l0-21swapper/609:30:126
111391220,0ptp4l0-21swapper/512:37:225
111391220,0ptp4l0-21swapper/512:11:345
111391220,0ptp4l0-21swapper/512:01:035
111391220,0ptp4l0-21swapper/511:54:545
111391220,0ptp4l0-21swapper/511:33:205
111391220,0ptp4l0-21swapper/510:55:065
111391220,0ptp4l0-21swapper/510:55:065
111391220,0ptp4l0-21swapper/510:27:315
111391220,0ptp4l0-21swapper/510:06:465
111391220,0ptp4l0-21swapper/510:02:585
111391220,0ptp4l0-21swapper/509:46:235
111391220,0ptp4l0-21swapper/509:40:155
111391220,0ptp4l0-21swapper/509:36:225
111391220,0ptp4l0-21swapper/509:22:555
111391220,0ptp4l0-21swapper/509:15:335
111391220,0ptp4l0-21swapper/509:05:115
111391220,0ptp4l0-21swapper/508:40:125
111391220,0ptp4l0-21swapper/508:15:115
111391220,0ptp4l0-21swapper/508:15:105
111391220,0ptp4l0-21swapper/508:14:175
111391220,0ptp4l0-21swapper/507:15:165
111391220,0ptp4l0-21swapper/412:05:124
111391220,0ptp4l0-21swapper/412:00:174
111391220,0ptp4l0-21swapper/411:25:194
111391220,0ptp4l0-21swapper/410:57:484
111391220,0ptp4l0-21swapper/410:57:484
111391220,0ptp4l0-21swapper/410:50:174
111391220,0ptp4l0-21swapper/410:40:144
111391220,0ptp4l0-21swapper/409:55:404
111391220,0ptp4l0-21swapper/409:40:384
111391220,0ptp4l0-21swapper/409:35:084
111391220,0ptp4l0-21swapper/408:50:184
111391220,0ptp4l0-21swapper/408:40:204
111391220,0ptp4l0-21swapper/408:05:124
111391220,0ptp4l0-21swapper/407:51:344
111391220,0ptp4l0-21swapper/407:40:114
111391220,0ptp4l0-21swapper/407:35:194
111391220,0ptp4l0-21swapper/407:15:014
111391220,0ptp4l0-21swapper/312:03:283
111391220,0ptp4l0-21swapper/308:10:133
111391220,0ptp4l0-21swapper/212:05:192
111391220,0ptp4l0-21swapper/209:44:542
111391220,0ptp4l0-21swapper/209:30:142
111391220,0ptp4l0-21swapper/208:45:012
111391220,0ptp4l0-21swapper/112:32:041
111391220,0ptp4l0-21swapper/112:19:031
111391220,0ptp4l0-21swapper/111:55:361
111391220,0ptp4l0-21swapper/111:45:131
111391220,0ptp4l0-21swapper/110:53:561
111391220,0ptp4l0-21swapper/109:54:551
111391220,0ptp4l0-21swapper/109:30:561
111391220,0ptp4l0-21swapper/109:15:131
111391220,0ptp4l0-21swapper/107:35:141
111391220,0ptp4l0-21swapper/107:15:181
111391220,0ptp4l0-21swapper/012:35:080
111391220,0ptp4l0-21swapper/012:30:200
111391220,0ptp4l0-21swapper/012:20:110
111391220,0ptp4l0-21swapper/012:15:110
111391220,0ptp4l0-21swapper/011:55:130
111391220,0ptp4l0-21swapper/011:45:440
111391220,0ptp4l0-21swapper/011:25:190
111391220,0ptp4l0-21swapper/011:17:030
111391220,0ptp4l0-21swapper/011:10:200
111391220,0ptp4l0-21swapper/011:00:110
111391220,0ptp4l0-21swapper/010:56:580
111391220,0ptp4l0-21swapper/010:56:570
111391220,0ptp4l0-21swapper/010:40:120
111391220,0ptp4l0-21swapper/010:35:220
111391220,0ptp4l0-21swapper/010:30:110
111391220,0ptp4l0-21swapper/010:25:150
111391220,0ptp4l0-21swapper/010:15:180
111391220,0ptp4l0-21swapper/010:05:230
111391220,0ptp4l0-21swapper/009:55:200
111391220,0ptp4l0-21swapper/009:50:190
111391220,0ptp4l0-21swapper/009:45:150
111391220,0ptp4l0-21swapper/009:40:180
111391220,0ptp4l0-21swapper/009:30:010
111391220,0ptp4l0-21swapper/009:20:100
111391220,0ptp4l0-21swapper/009:00:120
111391220,0ptp4l0-21swapper/008:55:110
111391220,0ptp4l0-21swapper/008:50:180
111391220,0ptp4l0-21swapper/008:40:200
111391220,0ptp4l0-21swapper/008:00:010
111391220,0ptp4l0-21swapper/007:55:150
111391220,0ptp4l0-21swapper/007:55:010
111391220,0ptp4l0-21swapper/007:35:150
111391220,0ptp4l0-21swapper/007:25:100
111391210,0ptp4l0-21swapper/712:15:527
111391210,0ptp4l0-21swapper/709:58:377
111391210,0ptp4l0-21swapper/610:08:256
111391210,0ptp4l0-21swapper/609:44:556
111391210,0ptp4l0-21swapper/511:59:345
111391210,0ptp4l0-21swapper/511:15:315
111391210,0ptp4l0-21swapper/511:06:135
111391210,0ptp4l0-21swapper/511:02:095
111391210,0ptp4l0-21swapper/510:54:005
111391210,0ptp4l0-21swapper/510:15:435
111391210,0ptp4l0-21swapper/509:52:445
111391210,0ptp4l0-21swapper/508:50:125
111391210,0ptp4l0-21swapper/410:35:234
111391210,0ptp4l0-21swapper/408:12:244
111391210,0ptp4l0-21swapper/407:25:194
111391210,0ptp4l0-21swapper/407:24:234
111391210,0ptp4l0-21swapper/311:51:253
111391210,0ptp4l0-21swapper/309:58:363
111391210,0ptp4l0-21swapper/212:27:502
111391210,0ptp4l0-21swapper/209:54:192
111391210,0ptp4l0-21swapper/209:48:262
111391210,0ptp4l0-21swapper/110:46:011
111391210,0ptp4l0-21swapper/110:02:511
111391210,0ptp4l0-21swapper/109:46:181
111391210,0ptp4l0-21swapper/109:23:251
111391210,0ptp4l0-21swapper/108:45:101
111391210,0ptp4l0-21swapper/108:29:431
111391210,0ptp4l0-21swapper/008:49:370
111391210,0ptp4l0-21swapper/008:30:100
111391210,0ptp4l0-21swapper/008:13:230
111391210,0ptp4l0-21swapper/008:05:170
283792200,0sleep60-21swapper/610:42:016
111391200,2ptp4l0-21swapper/112:13:161
111391200,0ptp4l0-21swapper/512:23:275
111391200,0ptp4l0-21swapper/509:30:545
111391200,0ptp4l0-21swapper/408:17:254
111391200,0ptp4l0-21swapper/408:17:244
111391200,0ptp4l0-21swapper/310:16:443
111391200,0ptp4l0-21swapper/212:22:432
111391200,0ptp4l0-21swapper/212:15:412
111391200,0ptp4l0-21swapper/209:20:362
111391200,0ptp4l0-21swapper/111:40:481
111391200,0ptp4l0-21swapper/111:33:181
111391200,0ptp4l0-21swapper/111:06:341
111391200,0ptp4l0-21swapper/107:29:351
111391200,0ptp4l0-21swapper/009:08:420
111391200,0ptp4l0-21swapper/008:18:400
111391200,0ptp4l0-21swapper/008:18:390
111391190,1ptp4l16643-21latency_hist11:59:596
111391190,0ptp4l0-21swapper/712:29:597
111391190,0ptp4l0-21swapper/711:23:307
111391190,0ptp4l0-21swapper/612:15:426
111391190,0ptp4l0-21swapper/610:10:086
111391190,0ptp4l0-21swapper/610:00:456
111391190,0ptp4l0-21swapper/607:38:246
111391190,0ptp4l0-21swapper/408:20:404
111391190,0ptp4l0-21swapper/408:20:394
111391190,0ptp4l0-21swapper/210:26:382
111391190,0ptp4l0-21swapper/108:57:481
111391190,0ptp4l0-21swapper/108:07:391
111391190,0ptp4l0-21swapper/007:18:390
447299180,14cyclictest0-21swapper/508:31:485
111391180,0ptp4l0-21swapper/611:22:386
111391180,0ptp4l0-21swapper/609:54:216
111391180,0ptp4l0-21swapper/609:20:356
111391180,0ptp4l0-21swapper/608:24:256
111391180,0ptp4l0-21swapper/608:24:246
111391180,0ptp4l0-21swapper/408:39:534
111391180,0ptp4l0-21swapper/212:10:502
111391180,0ptp4l0-21swapper/210:10:062
111391180,0ptp4l0-21swapper/210:08:262
111391170,0ptp4l0-21swapper/712:31:107
111391170,0ptp4l0-21swapper/711:51:257
111391170,0ptp4l0-21swapper/708:54:437
111391170,0ptp4l0-21swapper/610:47:196
111391170,0ptp4l0-21swapper/610:16:586
111391170,0ptp4l0-21swapper/609:48:286
111391170,0ptp4l0-21swapper/608:52:176
111391170,0ptp4l0-21swapper/211:22:422
111391170,0ptp4l0-21swapper/209:36:522
111391170,0ptp4l0-21swapper/107:40:161
111391170,0ptp4l0-21swapper/008:20:250
111391170,0ptp4l0-21swapper/008:20:250
111391170,0ptp4l0-21swapper/007:40:110
95062160,0sleep70-21swapper/708:30:007
4459991614,1cyclictest0-21swapper/308:40:173
111391160,0ptp4l0-21swapper/611:09:546
111391160,0ptp4l0-21swapper/608:44:086
111391160,0ptp4l0-21swapper/508:55:335
111391160,0ptp4l0-21swapper/210:00:432
111391160,0ptp4l0-21swapper/107:50:001
111391160,0ptp4l0-21swapper/107:14:131
111391160,0ptp4l0-21swapper/008:39:540
111391160,0ptp4l0-21swapper/008:27:440
448799150,1cyclictest0-21swapper/710:00:117
111391150,0ptp4l0-21swapper/710:16:437
111391150,0ptp4l0-21swapper/707:54:007
111391150,0ptp4l0-21swapper/610:26:406
111391150,0ptp4l0-21swapper/609:55:196
111391150,0ptp4l0-21swapper/609:07:546
111391150,0ptp4l0-21swapper/609:00:046
111391150,0ptp4l0-21swapper/608:12:226
111391150,0ptp4l0-21swapper/508:07:325
111391150,0ptp4l0-21swapper/507:10:535
111391150,0ptp4l0-21swapper/408:47:374
111391150,0ptp4l0-21swapper/312:31:103
111391150,0ptp4l0-21swapper/308:54:163
111391150,0ptp4l0-21swapper/307:53:583
111391150,0ptp4l0-21swapper/210:47:212
111391150,0ptp4l0-21swapper/209:00:032
111391150,0ptp4l0-21swapper/208:50:492
111391150,0ptp4l0-21swapper/208:43:412
445199140,10cyclictest0-21swapper/211:16:092
445199140,0cyclictest0-21swapper/211:27:502
445199140,0cyclictest0-21swapper/209:12:062
111391140,0ptp4l0-21swapper/708:09:577
111391140,0ptp4l0-21swapper/612:01:306
111391140,0ptp4l0-21swapper/608:45:016
111391140,0ptp4l0-21swapper/608:06:396
111391140,0ptp4l0-21swapper/607:24:216
111391140,0ptp4l0-21swapper/308:09:593
111391140,0ptp4l0-21swapper/211:09:542
111391140,0ptp4l0-21swapper/210:16:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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