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2025-12-29 - 01:26

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 Sun Dec 28, 2025 12:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391610,30ptp4l0-21swapper/207:08:322
94325948,6sleep70-21swapper/707:06:237
111391580,5ptp4l0-21swapper/107:05:111
117425747,6sleep40-21swapper/407:09:164
111391570,5ptp4l0-21swapper/507:07:155
194752550,0sleep30-21swapper/308:55:183
1881915432,7phc2sys0-21swapper/007:05:400
111725233,7sleep30-21swapper/307:08:283
90725039,7sleep60-21swapper/607:05:586
111391340,0ptp4l0-21swapper/408:50:124
111391340,0ptp4l0-21swapper/009:27:360
111391330,0ptp4l4085-21ssh09:24:264
111391330,0ptp4l0-21swapper/412:00:164
111391320,0ptp4l0-21swapper/712:00:537
111391320,0ptp4l0-21swapper/407:40:154
111391320,0ptp4l0-21swapper/010:41:410
111391320,0ptp4l0-21swapper/008:30:200
111391320,0ptp4l0-21swapper/008:30:200
111391310,0ptp4l0-21swapper/710:14:057
111391310,0ptp4l0-21swapper/412:29:154
111391310,0ptp4l0-21swapper/410:30:094
111391310,0ptp4l0-21swapper/010:47:370
111391310,0ptp4l0-21swapper/009:37:220
111391300,3ptp4l0-21swapper/410:55:174
111391300,0ptp4l0-21swapper/412:30:144
111391300,0ptp4l0-21swapper/111:28:581
111391300,0ptp4l0-21swapper/110:35:231
111391300,0ptp4l0-21swapper/107:50:131
111391300,0ptp4l0-21swapper/009:52:010
111391290,0ptp4l0-21swapper/612:33:366
111391290,0ptp4l0-21swapper/411:15:564
111391290,0ptp4l0-21swapper/411:15:564
111391290,0ptp4l0-21swapper/411:10:304
111391290,0ptp4l0-21swapper/411:10:294
111391290,0ptp4l0-21swapper/409:49:334
111391290,0ptp4l0-21swapper/112:10:051
111391290,0ptp4l0-21swapper/112:03:201
111391290,0ptp4l0-21swapper/111:19:221
111391290,0ptp4l0-21swapper/111:19:221
111391290,0ptp4l0-21swapper/110:44:421
111391290,0ptp4l0-21swapper/109:21:311
111391290,0ptp4l0-21swapper/108:35:201
111391290,0ptp4l0-21swapper/108:35:201
111391290,0ptp4l0-21swapper/009:58:580
111391290,0ptp4l0-21swapper/009:22:410
111391280,2ptp4l0-21swapper/412:35:374
111391280,0ptp4l0-21swapper/711:35:417
111391280,0ptp4l0-21swapper/412:15:364
111391280,0ptp4l0-21swapper/411:41:474
111391280,0ptp4l0-21swapper/111:21:131
111391280,0ptp4l0-21swapper/109:29:061
111391280,0ptp4l0-21swapper/012:09:030
111391280,0ptp4l0-21swapper/011:55:460
111391280,0ptp4l0-21swapper/010:30:160
111391280,0ptp4l0-21swapper/010:05:020
111391270,0ptp4l0-21swapper/412:10:264
111391270,0ptp4l0-21swapper/411:45:204
111391270,0ptp4l0-21swapper/411:07:014
111391270,0ptp4l0-21swapper/410:04:534
111391270,0ptp4l0-21swapper/409:36:014
111391270,0ptp4l0-21swapper/112:37:131
111391270,0ptp4l0-21swapper/111:59:101
111391270,0ptp4l0-21swapper/110:47:021
111391270,0ptp4l0-21swapper/109:34:451
111391270,0ptp4l0-21swapper/011:37:040
111391270,0ptp4l0-21swapper/010:18:020
111391260,3ptp4l0-21swapper/009:44:160
111391260,0ptp4l0-21swapper/711:45:097
111391260,0ptp4l0-21swapper/412:09:344
111391260,0ptp4l0-21swapper/410:37:494
111391260,0ptp4l0-21swapper/410:10:514
111391260,0ptp4l0-21swapper/409:13:414
111391260,0ptp4l0-21swapper/407:10:204
111391260,0ptp4l0-21swapper/111:32:021
111391260,0ptp4l0-21swapper/110:06:181
111391260,0ptp4l0-21swapper/012:36:260
111391260,0ptp4l0-21swapper/011:15:590
111391260,0ptp4l0-21swapper/011:15:580
111391260,0ptp4l0-21swapper/009:10:560
111391250,3ptp4l0-21swapper/011:52:050
111391250,1ptp4l4337-21irqstats10:05:164
111391250,0ptp4l0-21swapper/610:41:056
111391250,0ptp4l0-21swapper/411:03:334
111391250,0ptp4l0-21swapper/409:32:074
111391250,0ptp4l0-21swapper/409:03:294
111391250,0ptp4l0-21swapper/408:45:194
111391250,0ptp4l0-21swapper/110:13:371
111391250,0ptp4l0-21swapper/012:31:140
111391250,0ptp4l0-21swapper/012:25:140
111391250,0ptp4l0-21swapper/011:48:400
111391250,0ptp4l0-21swapper/011:14:040
111391250,0ptp4l0-21swapper/011:14:030
111391250,0ptp4l0-21swapper/009:05:120
111391250,0ptp4l0-21swapper/008:20:150
111391240,1ptp4l6452-21grep10:50:134
111391240,1ptp4l5852-21switchtime07:15:204
111391240,1ptp4l4478-21cpuspeed_turbos08:25:101
111391240,1ptp4l2734-21irqstats08:20:174
111391240,1ptp4l19235-21smart_sda08:55:184
111391240,1ptp4l150099cyclictest09:47:390
111391240,0ptp4l0-21swapper/512:03:285
111391240,0ptp4l0-21swapper/510:43:185
111391240,0ptp4l0-21swapper/509:48:475
111391240,0ptp4l0-21swapper/507:55:165
111391240,0ptp4l0-21swapper/411:55:414
111391240,0ptp4l0-21swapper/410:15:144
111391240,0ptp4l0-21swapper/409:57:244
111391240,0ptp4l0-21swapper/409:42:084
111391240,0ptp4l0-21swapper/408:04:594
111391240,0ptp4l0-21swapper/212:23:572
111391240,0ptp4l0-21swapper/211:41:282
111391240,0ptp4l0-21swapper/109:40:151
111391240,0ptp4l0-21swapper/109:10:001
111391240,0ptp4l0-21swapper/012:00:350
111391240,0ptp4l0-21swapper/010:50:150
111391240,0ptp4l0-21swapper/010:10:200
111391240,0ptp4l0-21swapper/009:30:060
111391240,0ptp4l0-21swapper/009:17:020
111391240,0ptp4l0-21swapper/008:00:550
111391240,0ptp4l0-21swapper/007:50:000
111391240,0ptp4l0-21swapper/007:40:130
1537992319,3cyclictest0-21swapper/507:38:115
1537992318,4cyclictest0-21swapper/508:09:395
111391230,2ptp4l0-21swapper/011:06:210
111391230,0ptp4l19605-21grep07:45:195
111391230,0ptp4l15214-21sed11:00:210
111391230,0ptp4l0-21swapper/710:50:177
111391230,0ptp4l0-21swapper/612:23:506
111391230,0ptp4l0-21swapper/611:40:246
111391230,0ptp4l0-21swapper/511:30:135
111391230,0ptp4l0-21swapper/511:11:445
111391230,0ptp4l0-21swapper/511:11:445
111391230,0ptp4l0-21swapper/510:35:175
111391230,0ptp4l0-21swapper/509:55:115
111391230,0ptp4l0-21swapper/509:50:575
111391230,0ptp4l0-21swapper/509:40:135
111391230,0ptp4l0-21swapper/509:21:395
111391230,0ptp4l0-21swapper/508:23:285
111391230,0ptp4l0-21swapper/412:20:154
111391230,0ptp4l0-21swapper/411:36:424
111391230,0ptp4l0-21swapper/411:30:164
111391230,0ptp4l0-21swapper/411:29:444
111391230,0ptp4l0-21swapper/410:25:134
111391230,0ptp4l0-21swapper/410:20:154
111391230,0ptp4l0-21swapper/409:15:144
111391230,0ptp4l0-21swapper/408:35:134
111391230,0ptp4l0-21swapper/408:35:134
111391230,0ptp4l0-21swapper/408:30:184
111391230,0ptp4l0-21swapper/408:30:184
111391230,0ptp4l0-21swapper/408:15:164
111391230,0ptp4l0-21swapper/408:10:204
111391230,0ptp4l0-21swapper/407:45:134
111391230,0ptp4l0-21swapper/407:20:224
111391230,0ptp4l0-21swapper/312:01:573
111391230,0ptp4l0-21swapper/311:05:013
111391230,0ptp4l0-21swapper/307:30:123
111391230,0ptp4l0-21swapper/112:29:501
111391230,0ptp4l0-21swapper/111:12:341
111391230,0ptp4l0-21swapper/111:12:341
111391230,0ptp4l0-21swapper/110:33:221
111391230,0ptp4l0-21swapper/109:18:511
111391230,0ptp4l0-21swapper/012:19:540
111391230,0ptp4l0-21swapper/012:10:180
111391230,0ptp4l0-21swapper/011:30:170
111391230,0ptp4l0-21swapper/011:25:190
111391230,0ptp4l0-21swapper/010:20:110
111391230,0ptp4l0-21swapper/008:55:140
111391230,0ptp4l0-21swapper/008:40:160
111391230,0ptp4l0-21swapper/008:35:130
111391230,0ptp4l0-21swapper/008:35:120
111391230,0ptp4l0-21swapper/007:20:220
111391230,0ptp4l0-21swapper/007:15:230
111391230,0ptp4l0-21swapper/007:10:120
1537992219,0cyclictest0-21swapper/508:51:285
1537992218,3cyclictest0-21swapper/509:09:435
1537992218,0cyclictest0-21swapper/508:15:315
1537992214,3cyclictest0-21swapper/508:13:045
111391220,1ptp4l26368-21smart_sda08:00:201
111391220,1ptp4l20521-21cat09:00:131
111391220,1ptp4l14478-21/usr/sbin/munin07:35:164
111391220,1ptp4l1-21systemd08:14:291
111391220,0ptp4l0-21swapper/712:05:117
111391220,0ptp4l0-21swapper/711:34:527
111391220,0ptp4l0-21swapper/711:14:397
111391220,0ptp4l0-21swapper/711:14:397
111391220,0ptp4l0-21swapper/711:05:037
111391220,0ptp4l0-21swapper/711:04:127
111391220,0ptp4l0-21swapper/710:40:147
111391220,0ptp4l0-21swapper/709:35:367
111391220,0ptp4l0-21swapper/707:30:157
111391220,0ptp4l0-21swapper/707:30:007
111391220,0ptp4l0-21swapper/610:52:486
111391220,0ptp4l0-21swapper/609:40:396
111391220,0ptp4l0-21swapper/609:34:136
111391220,0ptp4l0-21swapper/512:29:515
111391220,0ptp4l0-21swapper/512:21:225
111391220,0ptp4l0-21swapper/512:17:225
111391220,0ptp4l0-21swapper/511:56:105
111391220,0ptp4l0-21swapper/511:25:135
111391220,0ptp4l0-21swapper/511:20:115
111391220,0ptp4l0-21swapper/511:15:155
111391220,0ptp4l0-21swapper/511:15:145
111391220,0ptp4l0-21swapper/511:08:305
111391220,0ptp4l0-21swapper/510:54:545
111391220,0ptp4l0-21swapper/510:24:225
111391220,0ptp4l0-21swapper/510:04:405
111391220,0ptp4l0-21swapper/509:35:225
111391220,0ptp4l0-21swapper/509:32:405
111391220,0ptp4l0-21swapper/509:25:125
111391220,0ptp4l0-21swapper/509:00:165
111391220,0ptp4l0-21swapper/508:35:195
111391220,0ptp4l0-21swapper/508:35:185
111391220,0ptp4l0-21swapper/508:25:145
111391220,0ptp4l0-21swapper/508:00:165
111391220,0ptp4l0-21swapper/507:50:165
111391220,0ptp4l0-21swapper/507:26:305
111391220,0ptp4l0-21swapper/411:50:004
111391220,0ptp4l0-21swapper/411:20:204
111391220,0ptp4l0-21swapper/410:45:194
111391220,0ptp4l0-21swapper/410:44:114
111391220,0ptp4l0-21swapper/409:50:144
111391220,0ptp4l0-21swapper/409:25:134
111391220,0ptp4l0-21swapper/409:05:134
111391220,0ptp4l0-21swapper/408:40:114
111391220,0ptp4l0-21swapper/408:05:224
111391220,0ptp4l0-21swapper/407:25:154
111391220,0ptp4l0-21swapper/312:05:133
111391220,0ptp4l0-21swapper/311:45:103
111391220,0ptp4l0-21swapper/311:35:123
111391220,0ptp4l0-21swapper/311:35:003
111391220,0ptp4l0-21swapper/311:04:183
111391220,0ptp4l0-21swapper/310:50:223
111391220,0ptp4l0-21swapper/310:13:573
111391220,0ptp4l0-21swapper/210:54:002
111391220,0ptp4l0-21swapper/112:20:481
111391220,0ptp4l0-21swapper/112:18:531
111391220,0ptp4l0-21swapper/112:09:371
111391220,0ptp4l0-21swapper/111:46:061
111391220,0ptp4l0-21swapper/111:08:071
111391220,0ptp4l0-21swapper/110:55:001
111391220,0ptp4l0-21swapper/110:54:591
111391220,0ptp4l0-21swapper/110:04:081
111391220,0ptp4l0-21swapper/109:55:011
111391220,0ptp4l0-21swapper/109:51:021
111391220,0ptp4l0-21swapper/012:20:290
111391220,0ptp4l0-21swapper/011:40:140
111391220,0ptp4l0-21swapper/011:20:180
111391220,0ptp4l0-21swapper/010:55:140
111391220,0ptp4l0-21swapper/010:37:390
111391220,0ptp4l0-21swapper/010:25:060
111391220,0ptp4l0-21swapper/010:00:130
111391220,0ptp4l0-21swapper/008:55:010
111391220,0ptp4l0-21swapper/008:45:170
111391220,0ptp4l0-21swapper/008:10:190
111391220,0ptp4l0-21swapper/008:05:160
111391220,0ptp4l0-21swapper/007:35:150
111391220,0ptp4l0-21swapper/007:25:110
1537992117,0cyclictest0-21swapper/508:48:335
111391210,0ptp4l0-21swapper/712:31:447
111391210,0ptp4l0-21swapper/710:36:027
111391210,0ptp4l0-21swapper/709:33:247
111391210,0ptp4l0-21swapper/708:29:517
111391210,0ptp4l0-21swapper/708:24:517
111391210,0ptp4l0-21swapper/611:15:406
111391210,0ptp4l0-21swapper/611:15:406
111391210,0ptp4l0-21swapper/610:59:556
111391210,0ptp4l0-21swapper/609:37:426
111391210,0ptp4l0-21swapper/609:10:346
111391210,0ptp4l0-21swapper/608:19:136
111391210,0ptp4l0-21swapper/512:37:235
111391210,0ptp4l0-21swapper/512:32:495
111391210,0ptp4l0-21swapper/512:06:035
111391210,0ptp4l0-21swapper/511:46:105
111391210,0ptp4l0-21swapper/511:37:275
111391210,0ptp4l0-21swapper/511:01:575
111391210,0ptp4l0-21swapper/510:55:025
111391210,0ptp4l0-21swapper/510:46:425
111391210,0ptp4l0-21swapper/510:30:505
111391210,0ptp4l0-21swapper/510:25:295
111391210,0ptp4l0-21swapper/510:11:155
111391210,0ptp4l0-21swapper/510:06:195
111391210,0ptp4l0-21swapper/509:15:515
111391210,0ptp4l0-21swapper/509:11:595
111391210,0ptp4l0-21swapper/507:18:285
111391210,0ptp4l0-21swapper/407:59:044
111391210,0ptp4l0-21swapper/312:31:473
111391210,0ptp4l0-21swapper/312:29:303
111391210,0ptp4l0-21swapper/311:40:563
111391210,0ptp4l0-21swapper/311:14:403
111391210,0ptp4l0-21swapper/311:14:393
111391210,0ptp4l0-21swapper/310:40:173
111391210,0ptp4l0-21swapper/310:39:163
111391210,0ptp4l0-21swapper/310:07:463
111391210,0ptp4l0-21swapper/309:35:383
111391210,0ptp4l0-21swapper/309:33:213
111391210,0ptp4l0-21swapper/307:35:293
111391210,0ptp4l0-21swapper/210:08:062
111391210,0ptp4l0-21swapper/209:44:412
111391210,0ptp4l0-21swapper/209:27:162
111391210,0ptp4l0-21swapper/209:10:352
111391210,0ptp4l0-21swapper/112:30:071
111391210,0ptp4l0-21swapper/111:44:311
111391210,0ptp4l0-21swapper/111:37:471
111391210,0ptp4l0-21swapper/111:01:571
111391210,0ptp4l0-21swapper/110:27:481
111391210,0ptp4l0-21swapper/110:24:201
111391210,0ptp4l0-21swapper/109:48:351
111391210,0ptp4l0-21swapper/109:35:331
111391210,0ptp4l0-21swapper/109:11:571
111391210,0ptp4l0-21swapper/108:45:011
111391210,0ptp4l0-21swapper/108:24:181
111391210,0ptp4l0-21swapper/107:55:181
111391210,0ptp4l0-21swapper/107:45:201
111391210,0ptp4l0-21swapper/107:42:101
111391210,0ptp4l0-21swapper/107:35:131
111391210,0ptp4l0-21swapper/009:02:190
111391210,0ptp4l0-21swapper/008:15:120
111391210,0ptp4l0-21swapper/007:51:280
1537992016,0cyclictest0-21swapper/507:41:145
111391200,0ptp4l0-21swapper/710:07:477
111391200,0ptp4l0-21swapper/708:06:527
111391200,0ptp4l0-21swapper/707:35:247
111391200,0ptp4l0-21swapper/611:54:156
111391200,0ptp4l0-21swapper/610:15:586
111391200,0ptp4l0-21swapper/609:27:156
111391200,0ptp4l0-21swapper/608:46:116
111391200,0ptp4l0-21swapper/608:40:596
111391200,0ptp4l0-21swapper/512:11:305
111391200,0ptp4l0-21swapper/510:19:515
111391200,0ptp4l0-21swapper/508:59:295
111391200,0ptp4l0-21swapper/507:24:385
111391200,0ptp4l0-21swapper/408:28:174
111391200,0ptp4l0-21swapper/407:50:394
111391200,0ptp4l0-21swapper/407:33:174
111391200,0ptp4l0-21swapper/310:29:163
111391200,0ptp4l0-21swapper/308:07:293
111391200,0ptp4l0-21swapper/211:20:582
111391200,0ptp4l0-21swapper/209:37:412
111391200,0ptp4l0-21swapper/208:51:302
111391200,0ptp4l0-21swapper/207:49:292
111391200,0ptp4l0-21swapper/110:19:211
1537991916,0cyclictest0-21swapper/508:42:195
111391190,0ptp4l0-21swapper/611:30:526
111391190,0ptp4l0-21swapper/610:38:116
111391190,0ptp4l0-21swapper/610:08:116
111391190,0ptp4l0-21swapper/507:32:425
111391190,0ptp4l0-21swapper/212:33:292
111391190,0ptp4l0-21swapper/211:30:492
111391190,0ptp4l0-21swapper/211:15:422
111391190,0ptp4l0-21swapper/211:15:422
111391190,0ptp4l0-21swapper/210:41:042
111391190,0ptp4l0-21swapper/209:34:122
111391190,0ptp4l0-21swapper/107:34:321
111391190,0ptp4l0-21swapper/107:24:341
120242180,0sleep60-21swapper/611:39:596
111391180,0ptp4l101ktimersoftd/007:56:410
111391180,0ptp4l0-21swapper/711:40:597
111391180,0ptp4l0-21swapper/610:48:556
111391180,0ptp4l0-21swapper/210:59:562
111391180,0ptp4l0-21swapper/210:48:552
111391180,0ptp4l0-21swapper/210:38:092
111391180,0ptp4l0-21swapper/108:59:581
153799174,1cyclictest1720-21kworker/5:008:30:075
153799174,1cyclictest1720-21kworker/5:008:30:065
111391170,0ptp4l0-21swapper/712:29:297
111391170,0ptp4l0-21swapper/607:49:296
111391170,0ptp4l0-21swapper/211:45:062
111391170,0ptp4l0-21swapper/108:52:121
111391170,0ptp4l0-21swapper/108:31:371
111391170,0ptp4l0-21swapper/108:31:361
111391170,0ptp4l0-21swapper/107:28:281
111391170,0ptp4l0-21swapper/008:25:250
111391160,0ptp4l0-21swapper/507:11:565
111391160,0ptp4l0-21swapper/108:09:301
111391160,0ptp4l0-21swapper/107:11:541
111391160,0ptp4l0-21swapper/007:34:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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