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2025-12-27 - 20:04

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 27, 2025 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,5ptp4l0-21swapper/107:08:531
185125949,6sleep70-21swapper/707:09:547
111391580,27ptp4l0-21swapper/007:09:320
111391550,2ptp4l0-21swapper/507:05:205
1881915341,7phc2sys0-21swapper/407:07:094
150625140,7sleep20-21swapper/207:05:332
169125039,6sleep60-21swapper/607:07:536
158024635,7sleep30-21swapper/307:06:303
111391330,0ptp4l12391-21/usr/sbin/munin08:40:153
111391320,0ptp4l0-21swapper/407:45:154
111391310,0ptp4l0-21swapper/410:38:214
111391310,0ptp4l0-21swapper/010:17:200
111391300,0ptp4l0-21swapper/412:25:094
111391300,0ptp4l0-21swapper/008:50:140
111391290,0ptp4l0-21swapper/411:37:064
111391290,0ptp4l0-21swapper/410:50:194
111391290,0ptp4l0-21swapper/409:39:224
111391290,0ptp4l0-21swapper/408:35:174
111391280,0ptp4l10862-21ssh10:11:554
111391280,0ptp4l0-21swapper/611:14:326
111391280,0ptp4l0-21swapper/411:48:204
111391280,0ptp4l0-21swapper/409:18:274
111391280,0ptp4l0-21swapper/409:12:074
111391280,0ptp4l0-21swapper/311:15:063
111391280,0ptp4l0-21swapper/112:37:101
111391280,0ptp4l0-21swapper/111:20:261
111391280,0ptp4l0-21swapper/010:14:090
111391270,0ptp4l11938-21ssh12:18:164
111391270,0ptp4l0-21swapper/711:12:187
111391270,0ptp4l0-21swapper/412:00:114
111391270,0ptp4l0-21swapper/307:12:503
111391270,0ptp4l0-21swapper/111:02:531
111391270,0ptp4l0-21swapper/110:00:071
111391270,0ptp4l0-21swapper/010:44:510
111391270,0ptp4l0-21swapper/009:52:030
111391260,3ptp4l0-21swapper/009:43:110
111391260,0ptp4l0-21swapper/412:07:534
111391260,0ptp4l0-21swapper/411:57:424
111391260,0ptp4l0-21swapper/411:29:484
111391260,0ptp4l0-21swapper/411:07:294
111391260,0ptp4l0-21swapper/411:02:304
111391260,0ptp4l0-21swapper/410:46:434
111391260,0ptp4l0-21swapper/410:23:314
111391260,0ptp4l0-21swapper/410:23:314
111391260,0ptp4l0-21swapper/410:03:584
111391260,0ptp4l0-21swapper/307:20:143
111391260,0ptp4l0-21swapper/111:06:421
111391260,0ptp4l0-21swapper/012:25:160
111391260,0ptp4l0-21swapper/011:59:070
111391260,0ptp4l0-21swapper/011:35:210
111391260,0ptp4l0-21swapper/010:35:120
111391250,1ptp4l1-21systemd11:50:005
111391250,0ptp4l0-21swapper/711:27:457
111391250,0ptp4l0-21swapper/412:35:184
111391250,0ptp4l0-21swapper/412:33:014
111391250,0ptp4l0-21swapper/409:41:044
111391250,0ptp4l0-21swapper/409:25:124
111391250,0ptp4l0-21swapper/409:20:184
111391250,0ptp4l0-21swapper/110:36:431
111391250,0ptp4l0-21swapper/110:12:361
111391250,0ptp4l0-21swapper/109:47:051
111391250,0ptp4l0-21swapper/011:44:250
111391250,0ptp4l0-21swapper/010:47:430
111391250,0ptp4l0-21swapper/009:58:070
111391250,0ptp4l0-21swapper/009:35:160
111391250,0ptp4l0-21swapper/007:34:500
111391240,1ptp4l3281-21users09:20:210
111391240,1ptp4l25606-21cut11:55:000
111391240,1ptp4l21198-21df_inode12:30:111
111391240,1ptp4l18231-21users07:40:210
111391240,1ptp4l18231-21users07:40:200
111391240,1ptp4l0-21swapper/411:18:514
111391240,0ptp4l0-21swapper/510:25:185
111391240,0ptp4l0-21swapper/510:25:185
111391240,0ptp4l0-21swapper/510:10:185
111391240,0ptp4l0-21swapper/412:25:004
111391240,0ptp4l0-21swapper/411:44:014
111391240,0ptp4l0-21swapper/411:23:374
111391240,0ptp4l0-21swapper/410:05:544
111391240,0ptp4l0-21swapper/408:50:004
111391240,0ptp4l0-21swapper/309:23:183
111391240,0ptp4l0-21swapper/307:15:013
111391240,0ptp4l0-21swapper/110:35:001
111391240,0ptp4l0-21swapper/109:30:191
111391240,0ptp4l0-21swapper/012:35:170
111391240,0ptp4l0-21swapper/012:20:190
111391240,0ptp4l0-21swapper/012:15:200
111391240,0ptp4l0-21swapper/012:02:270
111391240,0ptp4l0-21swapper/011:45:160
111391240,0ptp4l0-21swapper/011:34:550
111391240,0ptp4l0-21swapper/011:25:040
111391240,0ptp4l0-21swapper/011:19:400
111391240,0ptp4l0-21swapper/010:27:590
111391240,0ptp4l0-21swapper/010:27:590
111391240,0ptp4l0-21swapper/009:33:370
111391240,0ptp4l0-21swapper/009:27:490
111391230,2ptp4l0-21swapper/009:12:070
111391230,1ptp4l902-21cpuspeed_turbos10:00:125
111391230,1ptp4l5378-21if_virbr0-nic10:05:160
111391230,1ptp4l21418-21cpu09:45:110
111391230,0ptp4l23814-21interrupts11:10:165
111391230,0ptp4l0-21swapper/712:38:347
111391230,0ptp4l0-21swapper/712:31:317
111391230,0ptp4l0-21swapper/711:46:157
111391230,0ptp4l0-21swapper/710:55:127
111391230,0ptp4l0-21swapper/709:45:347
111391230,0ptp4l0-21swapper/709:05:187
111391230,0ptp4l0-21swapper/708:25:017
111391230,0ptp4l0-21swapper/611:55:176
111391230,0ptp4l0-21swapper/511:00:155
111391230,0ptp4l0-21swapper/510:31:595
111391230,0ptp4l0-21swapper/508:30:135
111391230,0ptp4l0-21swapper/508:00:135
111391230,0ptp4l0-21swapper/411:50:184
111391230,0ptp4l0-21swapper/410:58:304
111391230,0ptp4l0-21swapper/410:25:134
111391230,0ptp4l0-21swapper/410:25:124
111391230,0ptp4l0-21swapper/410:15:134
111391230,0ptp4l0-21swapper/409:55:194
111391230,0ptp4l0-21swapper/409:50:184
111391230,0ptp4l0-21swapper/408:30:204
111391230,0ptp4l0-21swapper/407:42:164
111391230,0ptp4l0-21swapper/407:42:164
111391230,0ptp4l0-21swapper/407:10:164
111391230,0ptp4l0-21swapper/311:46:333
111391230,0ptp4l0-21swapper/310:55:143
111391230,0ptp4l0-21swapper/307:43:543
111391230,0ptp4l0-21swapper/307:43:533
111391230,0ptp4l0-21swapper/211:15:222
111391230,0ptp4l0-21swapper/211:01:082
111391230,0ptp4l0-21swapper/112:05:171
111391230,0ptp4l0-21swapper/110:51:561
111391230,0ptp4l0-21swapper/110:16:061
111391230,0ptp4l0-21swapper/109:56:551
111391230,0ptp4l0-21swapper/108:30:011
111391230,0ptp4l0-21swapper/108:05:141
111391230,0ptp4l0-21swapper/108:00:171
111391230,0ptp4l0-21swapper/012:13:440
111391230,0ptp4l0-21swapper/012:05:200
111391230,0ptp4l0-21swapper/010:51:220
111391230,0ptp4l0-21swapper/010:22:450
111391230,0ptp4l0-21swapper/010:22:440
111391230,0ptp4l0-21swapper/010:02:420
111391230,0ptp4l0-21swapper/008:35:100
111391230,0ptp4l0-21swapper/008:30:220
111391230,0ptp4l0-21swapper/007:55:120
111391220,3ptp4l0-21swapper/308:36:243
111391220,2ptp4l0-21swapper/109:37:321
111391220,2ptp4l0-21swapper/008:48:330
111391220,1ptp4l6463-21ssh11:30:014
111391220,0ptp4l0-21swapper/711:04:257
111391220,0ptp4l0-21swapper/710:54:567
111391220,0ptp4l0-21swapper/710:44:047
111391220,0ptp4l0-21swapper/710:00:187
111391220,0ptp4l0-21swapper/709:24:297
111391220,0ptp4l0-21swapper/709:15:327
111391220,0ptp4l0-21swapper/709:00:167
111391220,0ptp4l0-21swapper/708:55:137
111391220,0ptp4l0-21swapper/707:15:017
111391220,0ptp4l0-21swapper/707:12:207
111391220,0ptp4l0-21swapper/611:25:006
111391220,0ptp4l0-21swapper/610:30:176
111391220,0ptp4l0-21swapper/608:53:536
111391220,0ptp4l0-21swapper/607:55:176
111391220,0ptp4l0-21swapper/607:40:016
111391220,0ptp4l0-21swapper/512:30:035
111391220,0ptp4l0-21swapper/512:10:115
111391220,0ptp4l0-21swapper/511:54:295
111391220,0ptp4l0-21swapper/511:33:565
111391220,0ptp4l0-21swapper/511:25:175
111391220,0ptp4l0-21swapper/511:23:025
111391220,0ptp4l0-21swapper/511:15:165
111391220,0ptp4l0-21swapper/510:58:525
111391220,0ptp4l0-21swapper/510:50:485
111391220,0ptp4l0-21swapper/510:42:125
111391220,0ptp4l0-21swapper/510:19:315
111391220,0ptp4l0-21swapper/510:10:005
111391220,0ptp4l0-21swapper/509:47:235
111391220,0ptp4l0-21swapper/509:36:245
111391220,0ptp4l0-21swapper/509:30:205
111391220,0ptp4l0-21swapper/509:29:235
111391220,0ptp4l0-21swapper/509:15:125
111391220,0ptp4l0-21swapper/509:14:345
111391220,0ptp4l0-21swapper/509:00:205
111391220,0ptp4l0-21swapper/508:45:195
111391220,0ptp4l0-21swapper/508:05:135
111391220,0ptp4l0-21swapper/507:50:135
111391220,0ptp4l0-21swapper/412:13:234
111391220,0ptp4l0-21swapper/411:10:294
111391220,0ptp4l0-21swapper/410:40:194
111391220,0ptp4l0-21swapper/410:30:084
111391220,0ptp4l0-21swapper/409:47:464
111391220,0ptp4l0-21swapper/409:30:404
111391220,0ptp4l0-21swapper/409:00:204
111391220,0ptp4l0-21swapper/408:50:124
111391220,0ptp4l0-21swapper/408:28:094
111391220,0ptp4l0-21swapper/408:20:134
111391220,0ptp4l0-21swapper/408:10:134
111391220,0ptp4l0-21swapper/407:35:014
111391220,0ptp4l0-21swapper/407:30:134
111391220,0ptp4l0-21swapper/312:39:563
111391220,0ptp4l0-21swapper/311:27:163
111391220,0ptp4l0-21swapper/310:00:143
111391220,0ptp4l0-21swapper/309:15:193
111391220,0ptp4l0-21swapper/309:05:163
111391220,0ptp4l0-21swapper/309:00:083
111391220,0ptp4l0-21swapper/308:55:163
111391220,0ptp4l0-21swapper/308:25:123
111391220,0ptp4l0-21swapper/211:55:152
111391220,0ptp4l0-21swapper/211:14:292
111391220,0ptp4l0-21swapper/210:30:142
111391220,0ptp4l0-21swapper/112:24:221
111391220,0ptp4l0-21swapper/112:10:131
111391220,0ptp4l0-21swapper/112:04:381
111391220,0ptp4l0-21swapper/111:54:341
111391220,0ptp4l0-21swapper/111:49:361
111391220,0ptp4l0-21swapper/111:41:151
111391220,0ptp4l0-21swapper/111:26:401
111391220,0ptp4l0-21swapper/111:15:161
111391220,0ptp4l0-21swapper/111:10:221
111391220,0ptp4l0-21swapper/110:45:121
111391220,0ptp4l0-21swapper/110:25:171
111391220,0ptp4l0-21swapper/110:25:161
111391220,0ptp4l0-21swapper/109:51:381
111391220,0ptp4l0-21swapper/109:20:511
111391220,0ptp4l0-21swapper/109:15:131
111391220,0ptp4l0-21swapper/109:10:331
111391220,0ptp4l0-21swapper/108:45:111
111391220,0ptp4l0-21swapper/108:00:001
111391220,0ptp4l0-21swapper/107:25:151
111391220,0ptp4l0-21swapper/011:20:190
111391220,0ptp4l0-21swapper/011:13:070
111391220,0ptp4l0-21swapper/011:05:020
111391220,0ptp4l0-21swapper/011:00:210
111391220,0ptp4l0-21swapper/010:56:520
111391220,0ptp4l0-21swapper/010:30:210
111391220,0ptp4l0-21swapper/009:16:250
111391220,0ptp4l0-21swapper/008:20:120
111391220,0ptp4l0-21swapper/008:15:140
111391220,0ptp4l0-21swapper/008:10:150
111391220,0ptp4l0-21swapper/007:45:180
111391220,0ptp4l0-21swapper/007:35:170
111391220,0ptp4l0-21swapper/007:30:000
111391220,0ptp4l0-21swapper/007:10:000
111391210,3ptp4l0-21swapper/008:04:370
111391210,2ptp4l0-21swapper/110:24:401
111391210,2ptp4l0-21swapper/110:24:391
111391210,0ptp4l8760-21ssh11:32:033
111391210,0ptp4l0-21swapper/711:31:527
111391210,0ptp4l0-21swapper/711:15:037
111391210,0ptp4l0-21swapper/710:32:537
111391210,0ptp4l0-21swapper/710:11:087
111391210,0ptp4l0-21swapper/710:06:077
111391210,0ptp4l0-21swapper/708:40:177
111391210,0ptp4l0-21swapper/707:20:137
111391210,0ptp4l0-21swapper/612:05:316
111391210,0ptp4l0-21swapper/611:15:256
111391210,0ptp4l0-21swapper/609:46:196
111391210,0ptp4l0-21swapper/609:20:486
111391210,0ptp4l0-21swapper/607:50:286
111391210,0ptp4l0-21swapper/512:35:375
111391210,0ptp4l0-21swapper/512:24:235
111391210,0ptp4l0-21swapper/512:05:145
111391210,0ptp4l0-21swapper/512:04:065
111391210,0ptp4l0-21swapper/511:58:465
111391210,0ptp4l0-21swapper/511:41:195
111391210,0ptp4l0-21swapper/511:06:045
111391210,0ptp4l0-21swapper/510:36:205
111391210,0ptp4l0-21swapper/510:20:055
111391210,0ptp4l0-21swapper/510:20:055
111391210,0ptp4l0-21swapper/509:59:425
111391210,0ptp4l0-21swapper/507:20:185
111391210,0ptp4l0-21swapper/408:57:514
111391210,0ptp4l0-21swapper/408:15:144
111391210,0ptp4l0-21swapper/407:18:104
111391210,0ptp4l0-21swapper/312:32:393
111391210,0ptp4l0-21swapper/312:14:063
111391210,0ptp4l0-21swapper/311:44:463
111391210,0ptp4l0-21swapper/311:12:143
111391210,0ptp4l0-21swapper/310:15:033
111391210,0ptp4l0-21swapper/310:06:103
111391210,0ptp4l0-21swapper/309:52:263
111391210,0ptp4l0-21swapper/309:31:313
111391210,0ptp4l0-21swapper/212:30:302
111391210,0ptp4l0-21swapper/212:04:202
111391210,0ptp4l0-21swapper/211:25:192
111391210,0ptp4l0-21swapper/210:29:262
111391210,0ptp4l0-21swapper/210:29:252
111391210,0ptp4l0-21swapper/210:21:592
111391210,0ptp4l0-21swapper/210:21:592
111391210,0ptp4l0-21swapper/209:46:132
111391210,0ptp4l0-21swapper/209:39:482
111391210,0ptp4l0-21swapper/207:55:172
111391210,0ptp4l0-21swapper/207:39:562
111391210,0ptp4l0-21swapper/111:57:511
111391210,0ptp4l0-21swapper/111:37:431
111391210,0ptp4l0-21swapper/111:33:281
111391210,0ptp4l0-21swapper/111:00:001
111391210,0ptp4l0-21swapper/110:40:251
111391210,0ptp4l0-21swapper/110:10:011
111391210,0ptp4l0-21swapper/107:16:491
111391210,0ptp4l0-21swapper/012:31:380
111391210,0ptp4l0-21swapper/009:10:000
111391210,0ptp4l0-21swapper/008:45:010
111391210,0ptp4l0-21swapper/008:27:170
111391210,0ptp4l0-21swapper/007:50:180
111391200,0ptp4l0-21swapper/712:03:287
111391200,0ptp4l0-21swapper/711:58:037
111391200,0ptp4l0-21swapper/711:44:597
111391200,0ptp4l0-21swapper/709:52:357
111391200,0ptp4l0-21swapper/708:36:267
111391200,0ptp4l0-21swapper/708:33:287
111391200,0ptp4l0-21swapper/708:23:507
111391200,0ptp4l0-21swapper/708:00:297
111391200,0ptp4l0-21swapper/707:42:477
111391200,0ptp4l0-21swapper/707:42:477
111391200,0ptp4l0-21swapper/611:52:066
111391200,0ptp4l0-21swapper/512:27:135
111391200,0ptp4l0-21swapper/510:47:525
111391200,0ptp4l0-21swapper/509:54:235
111391200,0ptp4l0-21swapper/509:20:545
111391200,0ptp4l0-21swapper/508:27:295
111391200,0ptp4l0-21swapper/508:14:565
111391200,0ptp4l0-21swapper/408:07:294
111391200,0ptp4l0-21swapper/408:03:074
111391200,0ptp4l0-21swapper/312:04:533
111391200,0ptp4l0-21swapper/311:58:233
111391200,0ptp4l0-21swapper/311:03:373
111391200,0ptp4l0-21swapper/310:54:573
111391200,0ptp4l0-21swapper/310:32:533
111391200,0ptp4l0-21swapper/310:10:573
111391200,0ptp4l0-21swapper/309:45:373
111391200,0ptp4l0-21swapper/308:48:513
111391200,0ptp4l0-21swapper/212:36:412
111391200,0ptp4l0-21swapper/211:24:582
111391200,0ptp4l0-21swapper/209:56:592
111391200,0ptp4l0-21swapper/109:44:531
111391200,0ptp4l0-21swapper/109:28:001
111391200,0ptp4l0-21swapper/109:09:361
111391200,0ptp4l0-21swapper/108:18:021
111391200,0ptp4l0-21swapper/108:14:511
111391200,0ptp4l0-21swapper/107:51:421
111391200,0ptp4l0-21swapper/008:56:020
111391190,0ptp4l0-21swapper/712:14:107
111391190,0ptp4l0-21swapper/709:34:077
111391190,0ptp4l0-21swapper/610:52:246
111391190,0ptp4l0-21swapper/609:56:596
111391190,0ptp4l0-21swapper/609:53:566
111391190,0ptp4l0-21swapper/608:34:516
111391190,0ptp4l0-21swapper/608:03:446
111391190,0ptp4l0-21swapper/407:51:294
111391190,0ptp4l0-21swapper/407:25:134
111391190,0ptp4l0-21swapper/407:21:464
111391190,0ptp4l0-21swapper/308:06:303
111391190,0ptp4l0-21swapper/108:54:301
111391190,0ptp4l0-21swapper/107:47:501
111391190,0ptp4l0-21swapper/107:24:411
111391190,0ptp4l0-21swapper/008:09:450
111391190,0ptp4l0-21swapper/007:24:200
111391190,0ptp4l0-21swapper/007:16:400
111391180,0ptp4l0-21swapper/708:19:177
111391180,0ptp4l0-21swapper/611:00:466
111391180,0ptp4l0-21swapper/407:55:134
111391180,0ptp4l0-21swapper/310:44:073
111391180,0ptp4l0-21swapper/308:33:523
111391180,0ptp4l0-21swapper/212:20:092
111391180,0ptp4l0-21swapper/211:06:542
111391180,0ptp4l0-21swapper/209:53:522
111391180,0ptp4l0-21swapper/209:32:432
111391180,0ptp4l0-21swapper/112:27:071
111391180,0ptp4l0-21swapper/109:00:191
111391180,0ptp4l0-21swapper/108:30:491
120412170,0sleep341-21ksoftirqd/311:35:423
111391170,2ptp4l561ktimersoftd/509:06:585
111391170,0ptp4l0-21swapper/712:17:377
111391170,0ptp4l0-21swapper/612:20:096
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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