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2026-03-17 - 17:40

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 Tue Mar 17, 2026 12:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391690,2ptp4l0-21swapper/107:05:161
111391640,24ptp4l0-21swapper/007:05:170
111391620,6ptp4l0-21swapper/507:07:445
2864526050,6sleep70-21swapper/707:05:377
2707726050,6sleep40-21swapper/407:05:034
324522580,0sleep52929099cyclictest11:40:185
2889025545,6sleep20-21swapper/207:08:462
2806325231,16sleep30-21swapper/307:05:183
2707924838,6sleep60-21swapper/607:05:056
111391380,0ptp4l0-21swapper/412:34:564
111391360,0ptp4l0-21swapper/009:10:200
2928299341,22cyclictest0-21swapper/410:31:014
111391340,1ptp4l2109-21cpuspeed_turbos08:30:124
111391340,0ptp4l0-21swapper/409:45:224
111391340,0ptp4l0-21swapper/110:05:121
111391340,0ptp4l0-21swapper/110:05:121
111391330,0ptp4l0-21swapper/108:00:201
111391320,1ptp4l7573-21processes10:20:160
111391320,1ptp4l2471-21sort12:30:110
111391320,0ptp4l0-21swapper/411:23:494
111391320,0ptp4l0-21swapper/409:35:004
111391320,0ptp4l0-21swapper/407:10:174
111391320,0ptp4l0-21swapper/012:07:010
111391320,0ptp4l0-21swapper/009:36:280
111391310,0ptp4l0-21swapper/412:06:374
111391310,0ptp4l0-21swapper/411:25:424
111391310,0ptp4l0-21swapper/409:42:384
111391310,0ptp4l0-21swapper/112:31:191
111391310,0ptp4l0-21swapper/012:38:470
111391310,0ptp4l0-21swapper/009:44:080
111391300,2ptp4l0-21swapper/009:45:120
111391300,0ptp4l0-21swapper/412:26:334
111391300,0ptp4l0-21swapper/411:39:084
111391300,0ptp4l0-21swapper/411:31:594
111391300,0ptp4l0-21swapper/411:17:154
111391300,0ptp4l0-21swapper/409:13:544
111391300,0ptp4l0-21swapper/311:15:143
111391300,0ptp4l0-21swapper/011:18:470
111391300,0ptp4l0-21swapper/008:35:120
111391290,4ptp4l0-21swapper/711:01:407
111391290,0ptp4l0-21swapper/412:24:414
111391290,0ptp4l0-21swapper/412:11:464
111391290,0ptp4l0-21swapper/410:50:494
111391290,0ptp4l0-21swapper/409:50:544
111391290,0ptp4l0-21swapper/408:00:154
111391290,0ptp4l0-21swapper/309:59:093
111391290,0ptp4l0-21swapper/111:43:131
111391290,0ptp4l0-21swapper/111:17:571
111391290,0ptp4l0-21swapper/012:28:230
111391290,0ptp4l0-21swapper/010:36:220
111391290,0ptp4l0-21swapper/010:32:390
111391290,0ptp4l0-21swapper/009:50:450
111391290,0ptp4l0-21swapper/007:58:300
111391280,0ptp4l20027-21diskmemload11:55:591
111391280,0ptp4l0-21swapper/511:50:215
111391280,0ptp4l0-21swapper/507:45:165
111391280,0ptp4l0-21swapper/412:17:104
111391280,0ptp4l0-21swapper/411:55:374
111391280,0ptp4l0-21swapper/411:46:104
111391280,0ptp4l0-21swapper/411:42:354
111391280,0ptp4l0-21swapper/409:23:424
111391280,0ptp4l0-21swapper/409:18:004
111391280,0ptp4l0-21swapper/109:46:231
111391280,0ptp4l0-21swapper/011:59:430
111391280,0ptp4l0-21swapper/010:52:100
111391270,2ptp4l0-21swapper/709:27:407
111391270,0ptp4l0-21swapper/410:24:034
111391270,0ptp4l0-21swapper/410:07:104
111391270,0ptp4l0-21swapper/410:07:104
111391270,0ptp4l0-21swapper/112:19:031
111391270,0ptp4l0-21swapper/112:10:291
111391270,0ptp4l0-21swapper/111:54:321
111391270,0ptp4l0-21swapper/012:21:450
111391270,0ptp4l0-21swapper/011:51:410
111391270,0ptp4l0-21swapper/011:22:100
111391270,0ptp4l0-21swapper/011:14:090
111391270,0ptp4l0-21swapper/011:04:260
111391260,0ptp4l0-21swapper/410:11:024
111391260,0ptp4l0-21swapper/410:11:024
111391260,0ptp4l0-21swapper/309:27:303
111391260,0ptp4l0-21swapper/209:16:032
111391260,0ptp4l0-21swapper/111:48:511
111391260,0ptp4l0-21swapper/109:31:461
111391260,0ptp4l0-21swapper/109:29:261
111391260,0ptp4l0-21swapper/107:20:151
111391260,0ptp4l0-21swapper/012:02:040
111391260,0ptp4l0-21swapper/011:32:100
111391260,0ptp4l0-21swapper/011:30:000
111391260,0ptp4l0-21swapper/010:56:390
111391260,0ptp4l0-21swapper/010:48:400
111391260,0ptp4l0-21swapper/010:16:340
111391260,0ptp4l0-21swapper/009:31:090
111391260,0ptp4l0-21swapper/008:56:590
111391260,0ptp4l0-21swapper/008:25:130
111391260,0ptp4l0-21swapper/008:01:560
111391250,1ptp4l7528-21irqstats07:30:164
111391250,1ptp4l7528-21irqstats07:30:164
111391250,1ptp4l3412-21irqstats11:00:144
111391250,0ptp4l0-21swapper/711:16:167
111391250,0ptp4l0-21swapper/611:25:026
111391250,0ptp4l0-21swapper/512:20:175
111391250,0ptp4l0-21swapper/412:35:194
111391250,0ptp4l0-21swapper/412:01:064
111391250,0ptp4l0-21swapper/410:47:484
111391250,0ptp4l0-21swapper/410:35:124
111391250,0ptp4l0-21swapper/410:25:194
111391250,0ptp4l0-21swapper/208:49:082
111391250,0ptp4l0-21swapper/110:25:531
111391250,0ptp4l0-21swapper/109:53:131
111391250,0ptp4l0-21swapper/108:05:111
111391250,0ptp4l0-21swapper/012:17:280
111391250,0ptp4l0-21swapper/012:14:030
111391250,0ptp4l0-21swapper/010:44:250
111391250,0ptp4l0-21swapper/010:08:090
111391250,0ptp4l0-21swapper/010:08:080
111391250,0ptp4l0-21swapper/008:30:160
111391250,0ptp4l0-21swapper/008:19:060
111391250,0ptp4l0-21swapper/007:50:010
111391250,0ptp4l0-21swapper/007:35:110
111391240,1ptp4l20683-21cpuspeed_turbos09:10:115
111391240,1ptp4l18265-21expr09:05:110
111391240,0ptp4l0-21swapper/708:51:187
111391240,0ptp4l0-21swapper/708:11:537
111391240,0ptp4l0-21swapper/510:18:215
111391240,0ptp4l0-21swapper/510:05:185
111391240,0ptp4l0-21swapper/510:05:185
111391240,0ptp4l0-21swapper/507:50:185
111391240,0ptp4l0-21swapper/410:57:594
111391240,0ptp4l0-21swapper/410:42:084
111391240,0ptp4l0-21swapper/408:50:094
111391240,0ptp4l0-21swapper/408:20:194
111391240,0ptp4l0-21swapper/407:58:104
111391240,0ptp4l0-21swapper/407:52:494
111391240,0ptp4l0-21swapper/407:36:314
111391240,0ptp4l0-21swapper/112:08:551
111391240,0ptp4l0-21swapper/111:22:411
111391240,0ptp4l0-21swapper/111:08:331
111391240,0ptp4l0-21swapper/110:43:081
111391240,0ptp4l0-21swapper/108:40:191
111391240,0ptp4l0-21swapper/107:25:461
111391240,0ptp4l0-21swapper/107:25:461
111391240,0ptp4l0-21swapper/009:55:180
111391240,0ptp4l0-21swapper/009:26:200
2928299233,19cyclictest0-21swapper/409:07:274
111391230,3ptp4l0-21swapper/409:59:254
111391230,3ptp4l0-21swapper/108:26:551
111391230,1ptp4l1971-21date07:20:004
111391230,0ptp4l33-21ksoftirqd/211:32:422
111391230,0ptp4l3043-21entropy09:30:125
111391230,0ptp4l0-21swapper/710:00:157
111391230,0ptp4l0-21swapper/708:15:527
111391230,0ptp4l0-21swapper/511:37:345
111391230,0ptp4l0-21swapper/511:30:105
111391230,0ptp4l0-21swapper/511:10:115
111391230,0ptp4l0-21swapper/511:06:345
111391230,0ptp4l0-21swapper/511:00:015
111391230,0ptp4l0-21swapper/510:15:005
111391230,0ptp4l0-21swapper/510:14:595
111391230,0ptp4l0-21swapper/510:02:235
111391230,0ptp4l0-21swapper/509:35:155
111391230,0ptp4l0-21swapper/509:15:165
111391230,0ptp4l0-21swapper/508:40:165
111391230,0ptp4l0-21swapper/508:10:175
111391230,0ptp4l0-21swapper/508:00:195
111391230,0ptp4l0-21swapper/507:55:155
111391230,0ptp4l0-21swapper/411:50:134
111391230,0ptp4l0-21swapper/411:10:144
111391230,0ptp4l0-21swapper/410:15:144
111391230,0ptp4l0-21swapper/410:01:364
111391230,0ptp4l0-21swapper/409:25:124
111391230,0ptp4l0-21swapper/409:00:134
111391230,0ptp4l0-21swapper/408:45:134
111391230,0ptp4l0-21swapper/408:25:154
111391230,0ptp4l0-21swapper/408:06:294
111391230,0ptp4l0-21swapper/407:40:204
111391230,0ptp4l0-21swapper/308:12:243
111391230,0ptp4l0-21swapper/112:20:131
111391230,0ptp4l0-21swapper/111:39:471
111391230,0ptp4l0-21swapper/111:30:101
111391230,0ptp4l0-21swapper/111:05:011
111391230,0ptp4l0-21swapper/110:55:131
111391230,0ptp4l0-21swapper/110:53:461
111391230,0ptp4l0-21swapper/110:37:331
111391230,0ptp4l0-21swapper/110:19:541
111391230,0ptp4l0-21swapper/109:35:121
111391230,0ptp4l0-21swapper/109:15:141
111391230,0ptp4l0-21swapper/109:10:151
111391230,0ptp4l0-21swapper/108:10:131
111391230,0ptp4l0-21swapper/107:15:101
111391230,0ptp4l0-21swapper/011:40:130
111391230,0ptp4l0-21swapper/011:35:130
111391230,0ptp4l0-21swapper/011:06:520
111391230,0ptp4l0-21swapper/010:10:180
111391230,0ptp4l0-21swapper/010:10:180
111391230,0ptp4l0-21swapper/009:20:150
111391230,0ptp4l0-21swapper/009:15:190
111391230,0ptp4l0-21swapper/009:00:200
111391230,0ptp4l0-21swapper/008:50:120
111391230,0ptp4l0-21swapper/008:45:160
111391230,0ptp4l0-21swapper/007:29:430
111391230,0ptp4l0-21swapper/007:29:430
111391220,0ptp4l0-21swapper/710:38:567
111391220,0ptp4l0-21swapper/610:50:436
111391220,0ptp4l0-21swapper/512:35:385
111391220,0ptp4l0-21swapper/512:31:195
111391220,0ptp4l0-21swapper/512:19:165
111391220,0ptp4l0-21swapper/512:12:025
111391220,0ptp4l0-21swapper/512:08:185
111391220,0ptp4l0-21swapper/512:02:465
111391220,0ptp4l0-21swapper/511:56:165
111391220,0ptp4l0-21swapper/511:48:595
111391220,0ptp4l0-21swapper/511:21:135
111391220,0ptp4l0-21swapper/511:18:135
111391220,0ptp4l0-21swapper/510:58:345
111391220,0ptp4l0-21swapper/510:46:275
111391220,0ptp4l0-21swapper/510:42:545
111391220,0ptp4l0-21swapper/510:38:255
111391220,0ptp4l0-21swapper/510:32:175
111391220,0ptp4l0-21swapper/510:26:235
111391220,0ptp4l0-21swapper/509:47:185
111391220,0ptp4l0-21swapper/509:27:065
111391220,0ptp4l0-21swapper/509:21:445
111391220,0ptp4l0-21swapper/508:55:005
111391220,0ptp4l0-21swapper/508:05:125
111391220,0ptp4l0-21swapper/507:25:155
111391220,0ptp4l0-21swapper/507:25:145
111391220,0ptp4l0-21swapper/507:20:145
111391220,0ptp4l0-21swapper/507:15:135
111391220,0ptp4l0-21swapper/411:05:154
111391220,0ptp4l0-21swapper/409:34:124
111391220,0ptp4l0-21swapper/408:35:154
111391220,0ptp4l0-21swapper/310:39:043
111391220,0ptp4l0-21swapper/310:00:293
111391220,0ptp4l0-21swapper/211:29:232
111391220,0ptp4l0-21swapper/211:07:202
111391220,0ptp4l0-21swapper/210:31:012
111391220,0ptp4l0-21swapper/209:59:122
111391220,0ptp4l0-21swapper/112:35:461
111391220,0ptp4l0-21swapper/112:29:061
111391220,0ptp4l0-21swapper/112:00:071
111391220,0ptp4l0-21swapper/111:10:061
111391220,0ptp4l0-21swapper/110:46:451
111391220,0ptp4l0-21swapper/110:32:051
111391220,0ptp4l0-21swapper/110:02:341
111391220,0ptp4l0-21swapper/109:24:271
111391220,0ptp4l0-21swapper/108:20:011
111391220,0ptp4l0-21swapper/107:55:151
111391220,0ptp4l0-21swapper/107:50:101
111391220,0ptp4l0-21swapper/107:45:101
111391220,0ptp4l0-21swapper/107:30:211
111391220,0ptp4l0-21swapper/107:30:201
111391220,0ptp4l0-21swapper/011:45:160
111391220,0ptp4l0-21swapper/010:27:480
111391220,0ptp4l0-21swapper/010:01:190
111391220,0ptp4l0-21swapper/008:20:120
111391220,0ptp4l0-21swapper/008:05:010
111391220,0ptp4l0-21swapper/007:40:190
111391210,0ptp4l0-21swapper/709:59:087
111391210,0ptp4l0-21swapper/708:01:297
111391210,0ptp4l0-21swapper/612:26:046
111391210,0ptp4l0-21swapper/612:13:156
111391210,0ptp4l0-21swapper/612:03:086
111391210,0ptp4l0-21swapper/611:51:226
111391210,0ptp4l0-21swapper/610:35:066
111391210,0ptp4l0-21swapper/511:26:215
111391210,0ptp4l0-21swapper/510:50:105
111391210,0ptp4l0-21swapper/509:54:505
111391210,0ptp4l0-21swapper/509:43:385
111391210,0ptp4l0-21swapper/508:19:585
111391210,0ptp4l0-21swapper/408:58:374
111391210,0ptp4l0-21swapper/308:15:013
111391210,0ptp4l0-21swapper/212:16:452
111391210,0ptp4l0-21swapper/211:51:192
111391210,0ptp4l0-21swapper/210:53:512
111391210,0ptp4l0-21swapper/210:37:462
111391210,0ptp4l0-21swapper/210:23:372
111391210,0ptp4l0-21swapper/111:27:351
111391210,0ptp4l0-21swapper/108:53:351
111391210,0ptp4l0-21swapper/107:40:131
111391210,0ptp4l0-21swapper/107:10:011
111391210,0ptp4l0-21swapper/008:43:330
111391210,0ptp4l0-21swapper/007:31:420
111391210,0ptp4l0-21swapper/007:31:420
111391210,0ptp4l0-21swapper/007:10:220
2929599205,0cyclictest0-21swapper/610:31:016
111391200,0ptp4l101ktimersoftd/007:15:010
111391200,0ptp4l0-21swapper/610:07:356
111391200,0ptp4l0-21swapper/610:07:356
111391200,0ptp4l0-21swapper/608:48:336
111391200,0ptp4l0-21swapper/512:29:085
111391200,0ptp4l0-21swapper/508:54:335
111391200,0ptp4l0-21swapper/507:40:145
111391200,0ptp4l0-21swapper/507:30:205
111391200,0ptp4l0-21swapper/507:30:205
111391200,0ptp4l0-21swapper/408:44:554
111391200,0ptp4l0-21swapper/407:20:014
111391200,0ptp4l0-21swapper/308:51:493
111391200,0ptp4l0-21swapper/308:01:113
111391200,0ptp4l0-21swapper/212:26:062
111391200,0ptp4l0-21swapper/209:32:382
111391200,0ptp4l0-21swapper/109:57:421
111391200,0ptp4l0-21swapper/109:08:381
111391200,0ptp4l0-21swapper/108:55:341
111391200,0ptp4l0-21swapper/007:21:290
111391190,0ptp4l0-21swapper/611:09:516
111391190,0ptp4l0-21swapper/610:22:076
111391190,0ptp4l0-21swapper/508:26:585
111391190,0ptp4l0-21swapper/507:10:575
111391190,0ptp4l0-21swapper/212:13:142
111391190,0ptp4l0-21swapper/212:03:062
111391190,0ptp4l0-21swapper/210:07:342
111391190,0ptp4l0-21swapper/210:07:342
111391190,0ptp4l0-21swapper/110:21:301
111391190,0ptp4l0-21swapper/110:13:361
111391190,0ptp4l0-21swapper/110:13:351
111391190,0ptp4l0-21swapper/109:44:321
111391180,2ptp4l0-21swapper/108:35:451
111391180,0ptp4l0-21swapper/612:16:456
111391180,0ptp4l0-21swapper/609:59:176
111391180,0ptp4l0-21swapper/609:41:206
111391180,0ptp4l0-21swapper/609:32:426
111391180,0ptp4l0-21swapper/609:16:036
111391180,0ptp4l0-21swapper/510:21:235
111391180,0ptp4l0-21swapper/509:57:565
111391180,0ptp4l0-21swapper/311:01:353
111391180,0ptp4l0-21swapper/211:18:532
111391180,0ptp4l0-21swapper/207:35:032
111391170,0ptp4l0-21swapper/610:16:296
111391170,0ptp4l0-21swapper/609:03:386
15482160,0sleep61068-21runrttasks10:57:416
111391160,0ptp4l0-21swapper/608:09:046
111391160,0ptp4l0-21swapper/509:09:475
111391160,0ptp4l0-21swapper/508:39:475
111391160,0ptp4l0-21swapper/408:17:364
111391160,0ptp4l0-21swapper/407:29:504
111391160,0ptp4l0-21swapper/407:29:494
111391160,0ptp4l0-21swapper/108:31:081
111391150,0ptp4l0-21swapper/711:51:277
111391150,0ptp4l0-21swapper/611:32:436
111391150,0ptp4l0-21swapper/608:21:126
111391150,0ptp4l0-21swapper/607:31:166
111391150,0ptp4l0-21swapper/607:31:156
111391150,0ptp4l0-21swapper/607:14:366
111391150,0ptp4l0-21swapper/508:46:465
111391150,0ptp4l0-21swapper/508:31:065
111391150,0ptp4l0-21swapper/508:22:435
111391150,0ptp4l0-21swapper/507:36:005
111391150,0ptp4l0-21swapper/408:11:394
111391150,0ptp4l0-21swapper/407:46:254
111391150,0ptp4l0-21swapper/307:59:183
111391150,0ptp4l0-21swapper/209:03:302
111391150,0ptp4l0-21swapper/208:09:062
111391150,0ptp4l0-21swapper/109:00:301
111391150,0ptp4l0-21swapper/108:46:451
111391150,0ptp4l0-21swapper/108:18:091
111391150,0ptp4l0-21swapper/107:35:571
111391150,0ptp4l0-21swapper/008:10:070
111391150,0ptp4l0-21swapper/007:50:490
111391140,0ptp4l0-21swapper/707:59:177
111391140,0ptp4l0-21swapper/607:35:026
111391140,0ptp4l0-21swapper/210:16:312
111391140,0ptp4l0-21swapper/209:41:202
111391140,0ptp4l0-21swapper/208:21:082
111391140,0ptp4l0-21swapper/207:31:142
111391140,0ptp4l0-21swapper/207:31:142
111391140,0ptp4l0-21swapper/207:14:382
2926999130,1cyclictest0-21swapper/211:35:132
2926999120,11cyclictest770-21gdbus07:44:592
2929599118,2cyclictest5873-21users08:35:206
2927599119,1cyclictest23531-21ssh09:14:163
2927599110,9cyclictest0-21swapper/312:06:023
2927599110,10cyclictest26381-21ssh10:46:403
2930299109,0cyclictest0-21swapper/712:19:027
2930299109,0cyclictest0-21swapper/712:10:337
2930299109,0cyclictest0-21swapper/710:54:487
2930299109,0cyclictest0-21swapper/710:11:547
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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