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2026-08-12 - 15:47

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 Wed Aug 12, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,5ptp4l0-21swapper/407:07:044
111391610,29ptp4l0-21swapper/007:05:040
878425835,6sleep70-21swapper/707:05:227
151502570,0sleep40-21swapper/409:30:084
910325634,7sleep10-21swapper/107:09:171
911425545,6sleep20-21swapper/207:09:262
900625433,7sleep30-21swapper/307:08:063
724524737,6sleep60-21swapper/607:05:056
899924636,6sleep50-21swapper/507:08:005
177472390,0sleep50-21swapper/509:33:135
111391330,0ptp4l0-21swapper/412:25:184
111391320,0ptp4l11804-21diskstats09:25:121
111391310,1ptp4l23985-21/usr/sbin/munin07:40:184
111391310,0ptp4l0-21swapper/512:05:435
111391310,0ptp4l0-21swapper/407:55:184
111391310,0ptp4l0-21swapper/012:01:330
111391310,0ptp4l0-21swapper/011:29:110
111391310,0ptp4l0-21swapper/009:15:530
111391300,4ptp4l0-21swapper/112:27:121
111391300,1ptp4l28158-21ssh09:47:150
111391300,0ptp4l0-21swapper/609:40:156
111391300,0ptp4l0-21swapper/411:12:554
111391300,0ptp4l0-21swapper/409:50:014
111391300,0ptp4l0-21swapper/312:11:453
111391300,0ptp4l0-21swapper/112:30:211
111391300,0ptp4l0-21swapper/007:35:170
111391290,0ptp4l0-21swapper/711:35:517
111391290,0ptp4l0-21swapper/711:35:507
111391290,0ptp4l0-21swapper/411:06:164
111391290,0ptp4l0-21swapper/410:36:114
111391290,0ptp4l0-21swapper/410:24:264
111391290,0ptp4l0-21swapper/410:13:514
111391290,0ptp4l0-21swapper/409:47:024
111391290,0ptp4l0-21swapper/407:35:154
111391290,0ptp4l0-21swapper/011:40:130
111391290,0ptp4l0-21swapper/011:23:200
111391290,0ptp4l0-21swapper/010:46:150
111391290,0ptp4l0-21swapper/010:38:110
111391290,0ptp4l0-21swapper/010:06:420
111391290,0ptp4l0-21swapper/009:44:540
111391290,0ptp4l0-21swapper/008:50:080
111391290,0ptp4l0-21swapper/007:40:010
111391280,0ptp4l0-21swapper/412:32:174
111391280,0ptp4l0-21swapper/412:22:304
111391280,0ptp4l0-21swapper/412:00:424
111391280,0ptp4l0-21swapper/411:27:244
111391280,0ptp4l0-21swapper/411:17:134
111391280,0ptp4l0-21swapper/411:03:294
111391280,0ptp4l0-21swapper/409:58:064
111391280,0ptp4l0-21swapper/409:15:114
111391280,0ptp4l0-21swapper/409:10:024
111391280,0ptp4l0-21swapper/012:25:220
111391280,0ptp4l0-21swapper/012:14:000
111391280,0ptp4l0-21swapper/011:39:070
111391280,0ptp4l0-21swapper/011:39:070
111391280,0ptp4l0-21swapper/010:44:500
111391280,0ptp4l0-21swapper/009:31:530
111391270,3ptp4l0-21swapper/010:18:030
111391270,2ptp4l0-21swapper/411:35:444
111391270,2ptp4l0-21swapper/411:35:434
111391270,1ptp4l14846-21cpu07:20:123
111391270,0ptp4l0-21swapper/708:47:527
111391270,0ptp4l0-21swapper/410:57:074
111391270,0ptp4l0-21swapper/409:40:394
111391270,0ptp4l0-21swapper/312:09:303
111391270,0ptp4l0-21swapper/112:04:111
111391270,0ptp4l0-21swapper/110:07:241
111391270,0ptp4l0-21swapper/109:36:281
111391270,0ptp4l0-21swapper/109:11:331
111391270,0ptp4l0-21swapper/012:34:020
111391270,0ptp4l0-21swapper/012:17:380
111391270,0ptp4l0-21swapper/011:00:140
111391270,0ptp4l0-21swapper/009:58:020
111391270,0ptp4l0-21swapper/009:27:530
111391270,0ptp4l0-21swapper/009:23:450
111391270,0ptp4l0-21swapper/009:13:590
111391260,1ptp4l0-21swapper/110:21:121
111391260,0ptp4l0-21swapper/412:06:314
111391260,0ptp4l0-21swapper/410:09:524
111391260,0ptp4l0-21swapper/408:35:194
111391260,0ptp4l0-21swapper/111:08:281
111391260,0ptp4l0-21swapper/110:55:051
111391260,0ptp4l0-21swapper/108:00:161
111391260,0ptp4l0-21swapper/011:45:380
111391260,0ptp4l0-21swapper/011:31:580
111391260,0ptp4l0-21swapper/010:52:130
111391260,0ptp4l0-21swapper/010:32:590
111391260,0ptp4l0-21swapper/009:54:290
111391260,0ptp4l0-21swapper/009:38:520
111391260,0ptp4l0-21swapper/008:35:440
111391250,1ptp4l22511-21smart_sda11:10:191
111391250,0ptp4l0-21swapper/511:41:455
111391250,0ptp4l0-21swapper/510:05:195
111391250,0ptp4l0-21swapper/412:39:504
111391250,0ptp4l0-21swapper/411:30:124
111391250,0ptp4l0-21swapper/410:50:124
111391250,0ptp4l0-21swapper/410:40:164
111391250,0ptp4l0-21swapper/409:40:004
111391250,0ptp4l0-21swapper/311:54:553
111391250,0ptp4l0-21swapper/309:20:143
111391250,0ptp4l0-21swapper/309:20:003
111391250,0ptp4l0-21swapper/112:15:091
111391250,0ptp4l0-21swapper/109:51:451
111391250,0ptp4l0-21swapper/010:25:140
111391250,0ptp4l0-21swapper/008:30:200
111391250,0ptp4l0-21swapper/007:35:000
111391240,4ptp4l3340-21kworker/1:110:47:211
111391240,1ptp4l668-21sed08:00:001
111391240,1ptp4l22876-21memory10:25:184
111391240,1ptp4l21767-21ps11:55:164
111391240,0ptp4l0-21swapper/712:11:277
111391240,0ptp4l0-21swapper/512:15:005
111391240,0ptp4l0-21swapper/511:54:195
111391240,0ptp4l0-21swapper/511:22:385
111391240,0ptp4l0-21swapper/511:10:185
111391240,0ptp4l0-21swapper/510:55:215
111391240,0ptp4l0-21swapper/508:14:585
111391240,0ptp4l0-21swapper/411:40:354
111391240,0ptp4l0-21swapper/411:20:184
111391240,0ptp4l0-21swapper/410:04:384
111391240,0ptp4l0-21swapper/408:40:564
111391240,0ptp4l0-21swapper/408:30:004
111391240,0ptp4l0-21swapper/407:50:134
111391240,0ptp4l0-21swapper/308:23:593
111391240,0ptp4l0-21swapper/112:05:171
111391240,0ptp4l0-21swapper/111:54:181
111391240,0ptp4l0-21swapper/111:35:221
111391240,0ptp4l0-21swapper/111:35:211
111391240,0ptp4l0-21swapper/107:16:101
111391240,0ptp4l0-21swapper/012:38:130
111391240,0ptp4l0-21swapper/012:07:230
111391240,0ptp4l0-21swapper/011:15:180
111391240,0ptp4l0-21swapper/008:48:490
111391240,0ptp4l0-21swapper/008:15:190
111391240,0ptp4l0-21swapper/008:11:110
111391240,0ptp4l0-21swapper/008:05:200
111391240,0ptp4l0-21swapper/007:58:440
111391240,0ptp4l0-21swapper/007:25:260
111391240,0ptp4l0-21swapper/007:14:320
111391230,4ptp4l0-21swapper/108:19:161
111391230,3ptp4l0-21swapper/110:44:391
111391230,1ptp4l32530-21diskmemload09:23:475
111391230,1ptp4l2189-21timerwakeupswit08:00:210
111391230,1ptp4l11289-21timerandwakeup08:20:214
111391230,1ptp4l10245-21irqrtprio07:10:165
111391230,0ptp4l28324-21/usr/sbin/munin09:00:147
111391230,0ptp4l0-21swapper/712:09:327
111391230,0ptp4l0-21swapper/708:25:127
111391230,0ptp4l0-21swapper/707:20:177
111391230,0ptp4l0-21swapper/512:38:445
111391230,0ptp4l0-21swapper/512:33:135
111391230,0ptp4l0-21swapper/510:22:015
111391230,0ptp4l0-21swapper/509:10:235
111391230,0ptp4l0-21swapper/508:56:525
111391230,0ptp4l0-21swapper/508:56:525
111391230,0ptp4l0-21swapper/508:20:175
111391230,0ptp4l0-21swapper/508:16:115
111391230,0ptp4l0-21swapper/508:08:335
111391230,0ptp4l0-21swapper/508:00:165
111391230,0ptp4l0-21swapper/507:48:165
111391230,0ptp4l0-21swapper/507:15:135
111391230,0ptp4l0-21swapper/411:50:144
111391230,0ptp4l0-21swapper/411:45:384
111391230,0ptp4l0-21swapper/410:45:124
111391230,0ptp4l0-21swapper/408:55:124
111391230,0ptp4l0-21swapper/408:55:124
111391230,0ptp4l0-21swapper/408:50:094
111391230,0ptp4l0-21swapper/408:45:164
111391230,0ptp4l0-21swapper/407:45:124
111391230,0ptp4l0-21swapper/407:20:044
111391230,0ptp4l0-21swapper/407:13:534
111391230,0ptp4l0-21swapper/308:47:253
111391230,0ptp4l0-21swapper/212:15:192
111391230,0ptp4l0-21swapper/209:40:152
111391230,0ptp4l0-21swapper/111:57:111
111391230,0ptp4l0-21swapper/109:15:211
111391230,0ptp4l0-21swapper/108:20:181
111391230,0ptp4l0-21swapper/107:10:171
111391230,0ptp4l0-21swapper/011:55:120
111391230,0ptp4l0-21swapper/011:50:160
111391230,0ptp4l0-21swapper/011:12:310
111391230,0ptp4l0-21swapper/010:24:580
111391230,0ptp4l0-21swapper/010:10:130
111391230,0ptp4l0-21swapper/010:02:350
111391230,0ptp4l0-21swapper/008:55:130
111391230,0ptp4l0-21swapper/008:55:120
111391230,0ptp4l0-21swapper/008:29:210
111391230,0ptp4l0-21swapper/008:21:350
111391230,0ptp4l0-21swapper/007:53:440
111391230,0ptp4l0-21swapper/007:45:110
111391220,0ptp4l0-21swapper/711:55:007
111391220,0ptp4l0-21swapper/710:49:387
111391220,0ptp4l0-21swapper/709:20:147
111391220,0ptp4l0-21swapper/709:19:557
111391220,0ptp4l0-21swapper/708:23:347
111391220,0ptp4l0-21swapper/610:11:546
111391220,0ptp4l0-21swapper/609:39:216
111391220,0ptp4l0-21swapper/609:34:146
111391220,0ptp4l0-21swapper/512:25:295
111391220,0ptp4l0-21swapper/512:20:185
111391220,0ptp4l0-21swapper/512:15:165
111391220,0ptp4l0-21swapper/512:03:205
111391220,0ptp4l0-21swapper/511:35:225
111391220,0ptp4l0-21swapper/511:35:225
111391220,0ptp4l0-21swapper/511:28:115
111391220,0ptp4l0-21swapper/511:18:345
111391220,0ptp4l0-21swapper/511:02:105
111391220,0ptp4l0-21swapper/510:47:525
111391220,0ptp4l0-21swapper/510:30:135
111391220,0ptp4l0-21swapper/510:04:565
111391220,0ptp4l0-21swapper/509:56:185
111391220,0ptp4l0-21swapper/509:50:125
111391220,0ptp4l0-21swapper/509:45:555
111391220,0ptp4l0-21swapper/509:35:365
111391220,0ptp4l0-21swapper/509:25:125
111391220,0ptp4l0-21swapper/509:17:235
111391220,0ptp4l0-21swapper/508:49:375
111391220,0ptp4l0-21swapper/412:18:174
111391220,0ptp4l0-21swapper/410:33:134
111391220,0ptp4l0-21swapper/410:15:154
111391220,0ptp4l0-21swapper/409:25:164
111391220,0ptp4l0-21swapper/409:21:324
111391220,0ptp4l0-21swapper/409:00:114
111391220,0ptp4l0-21swapper/408:30:224
111391220,0ptp4l0-21swapper/408:15:124
111391220,0ptp4l0-21swapper/408:10:194
111391220,0ptp4l0-21swapper/408:05:134
111391220,0ptp4l0-21swapper/408:04:234
111391220,0ptp4l0-21swapper/407:31:054
111391220,0ptp4l0-21swapper/407:25:204
111391220,0ptp4l0-21swapper/309:00:163
111391220,0ptp4l0-21swapper/308:25:133
111391220,0ptp4l0-21swapper/211:36:282
111391220,0ptp4l0-21swapper/211:36:272
111391220,0ptp4l0-21swapper/210:27:102
111391220,0ptp4l0-21swapper/209:25:522
111391220,0ptp4l0-21swapper/112:37:191
111391220,0ptp4l0-21swapper/112:20:141
111391220,0ptp4l0-21swapper/111:48:181
111391220,0ptp4l0-21swapper/111:40:451
111391220,0ptp4l0-21swapper/111:33:011
111391220,0ptp4l0-21swapper/111:20:141
111391220,0ptp4l0-21swapper/111:19:111
111391220,0ptp4l0-21swapper/110:30:121
111391220,0ptp4l0-21swapper/110:12:331
111391220,0ptp4l0-21swapper/110:04:101
111391220,0ptp4l0-21swapper/108:35:161
111391220,0ptp4l0-21swapper/012:23:130
111391220,0ptp4l0-21swapper/011:05:170
111391220,0ptp4l0-21swapper/010:56:110
111391220,0ptp4l0-21swapper/009:05:110
111391220,0ptp4l0-21swapper/009:00:460
111391220,0ptp4l0-21swapper/008:40:130
111391220,0ptp4l0-21swapper/007:20:000
111391220,0ptp4l0-21swapper/007:19:420
111391210,0ptp4l32530-21diskmemload12:06:166
111391210,0ptp4l0-21swapper/712:27:077
111391210,0ptp4l0-21swapper/612:15:186
111391210,0ptp4l0-21swapper/610:53:566
111391210,0ptp4l0-21swapper/609:57:376
111391210,0ptp4l0-21swapper/609:45:046
111391210,0ptp4l0-21swapper/511:33:125
111391210,0ptp4l0-21swapper/511:08:275
111391210,0ptp4l0-21swapper/510:54:285
111391210,0ptp4l0-21swapper/510:19:235
111391210,0ptp4l0-21swapper/510:10:055
111391210,0ptp4l0-21swapper/507:25:125
111391210,0ptp4l0-21swapper/310:49:073
111391210,0ptp4l0-21swapper/212:06:172
111391210,0ptp4l0-21swapper/209:17:412
111391210,0ptp4l0-21swapper/208:32:502
111391210,0ptp4l0-21swapper/112:13:461
111391210,0ptp4l0-21swapper/111:26:391
111391210,0ptp4l0-21swapper/110:51:581
111391210,0ptp4l0-21swapper/109:58:251
111391210,0ptp4l0-21swapper/109:46:261
111391210,0ptp4l0-21swapper/109:42:031
111391210,0ptp4l0-21swapper/109:23:371
111391210,0ptp4l0-21swapper/108:55:211
111391210,0ptp4l0-21swapper/108:55:211
9429992013,1cyclictest0-21swapper/108:45:581
111391200,0ptp4l0-21swapper/611:36:536
111391200,0ptp4l0-21swapper/611:36:526
111391200,0ptp4l0-21swapper/610:15:246
111391200,0ptp4l0-21swapper/511:57:095
111391200,0ptp4l0-21swapper/509:41:055
111391200,0ptp4l0-21swapper/412:13:314
111391200,0ptp4l0-21swapper/409:05:134
111391200,0ptp4l0-21swapper/209:45:032
111391200,0ptp4l0-21swapper/111:02:211
111391200,0ptp4l0-21swapper/110:28:441
111391200,0ptp4l0-21swapper/110:17:451
111391200,0ptp4l0-21swapper/108:54:441
111391190,0ptp4l0-21swapper/611:03:526
111391190,0ptp4l0-21swapper/610:27:116
111391190,0ptp4l0-21swapper/608:32:446
111391190,0ptp4l0-21swapper/607:50:386
111391190,0ptp4l0-21swapper/510:44:405
111391190,0ptp4l0-21swapper/510:29:055
111391190,0ptp4l0-21swapper/508:51:445
111391190,0ptp4l0-21swapper/508:35:165
111391190,0ptp4l0-21swapper/508:26:085
111391190,0ptp4l0-21swapper/507:57:445
111391190,0ptp4l0-21swapper/311:35:523
111391190,0ptp4l0-21swapper/311:35:513
111391190,0ptp4l0-21swapper/211:01:442
111391190,0ptp4l0-21swapper/210:11:562
111391190,0ptp4l0-21swapper/109:32:091
111391180,0ptp4l0-21swapper/711:55:067
111391180,0ptp4l0-21swapper/709:59:187
111391180,0ptp4l0-21swapper/609:25:496
111391180,0ptp4l0-21swapper/511:47:425
111391180,0ptp4l0-21swapper/309:59:133
111391180,0ptp4l0-21swapper/210:59:402
111391180,0ptp4l0-21swapper/210:08:312
111391180,0ptp4l0-21swapper/209:39:182
111391180,0ptp4l0-21swapper/110:39:511
111391180,0ptp4l0-21swapper/108:14:551
111391180,0ptp4l0-21swapper/107:25:131
111391170,0ptp4l0-21swapper/712:21:407
111391170,0ptp4l0-21swapper/510:39:505
111391170,0ptp4l0-21swapper/312:21:403
111391170,0ptp4l0-21swapper/307:25:323
111391160,0ptp4l0-21swapper/611:47:536
111391160,0ptp4l0-21swapper/610:59:366
111391160,0ptp4l0-21swapper/609:17:456
111391160,0ptp4l0-21swapper/509:05:205
111391160,0ptp4l0-21swapper/507:51:465
111391160,0ptp4l0-21swapper/211:54:052
111391160,0ptp4l0-21swapper/209:57:342
111391160,0ptp4l0-21swapper/209:34:132
111391160,0ptp4l0-21swapper/109:05:201
111391160,0ptp4l0-21swapper/108:31:551
111391160,0ptp4l0-21swapper/108:06:351
111391160,0ptp4l0-21swapper/107:46:311
111391160,0ptp4l0-21swapper/107:41:531
111391160,0ptp4l0-21swapper/107:37:311
111391160,0ptp4l0-21swapper/107:31:111
111391160,0ptp4l0-21swapper/107:21:531
111391150,0ptp4l0-21swapper/707:25:377
111391150,0ptp4l0-21swapper/608:07:286
111391150,0ptp4l0-21swapper/607:43:506
111391150,0ptp4l0-21swapper/607:24:226
111391150,0ptp4l0-21swapper/509:05:015
111391150,0ptp4l0-21swapper/508:40:365
111391150,0ptp4l0-21swapper/508:31:555
111391150,0ptp4l0-21swapper/507:41:475
111391150,0ptp4l0-21swapper/507:37:315
111391150,0ptp4l0-21swapper/507:31:185
111391150,0ptp4l0-21swapper/407:15:074
111391150,0ptp4l0-21swapper/312:27:083
111391150,0ptp4l0-21swapper/311:55:033
111391150,0ptp4l0-21swapper/211:21:242
111391150,0ptp4l0-21swapper/210:53:572
111391150,0ptp4l0-21swapper/207:50:562
111391150,0ptp4l0-21swapper/207:24:202
111391150,0ptp4l0-21swapper/109:04:181
111391150,0ptp4l0-21swapper/108:40:261
111391150,0ptp4l0-21swapper/108:26:021
111391150,0ptp4l0-21swapper/107:51:441
946399149,4cyclictest23359-21munin-run08:50:006
9434991411,2cyclictest0-21swapper/211:30:002
111391140,0ptp4l0-21swapper/612:01:156
111391140,0ptp4l0-21swapper/611:54:066
111391140,0ptp4l0-21swapper/607:17:496
111391140,0ptp4l0-21swapper/607:14:186
111391140,0ptp4l0-21swapper/507:20:305
111391140,0ptp4l0-21swapper/212:01:152
111391140,0ptp4l0-21swapper/211:47:512
111391140,0ptp4l0-21swapper/210:40:322
111391140,0ptp4l0-21swapper/209:02:282
111391140,0ptp4l0-21swapper/208:07:262
111391140,0ptp4l0-21swapper/207:43:452
111391140,0ptp4l0-21swapper/207:17:492
111391140,0ptp4l0-21swapper/207:14:172
947099120,1cyclictest799-21NetworkManager11:50:007
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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