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2026-05-14 - 19:36

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 May 14, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,5ptp4l0-21swapper/107:07:141
111391620,31ptp4l0-21swapper/007:08:200
352326050,6sleep20-21swapper/207:05:072
522225533,7sleep50-21swapper/507:07:275
514225443,7sleep70-21swapper/707:06:247
43382540,0sleep30-21swapper/310:45:193
352525343,6sleep40-21swapper/407:05:084
535124938,6sleep60-21swapper/607:09:046
133412490,0sleep50-21swapper/508:35:125
133412490,0sleep50-21swapper/508:35:115
530224736,7sleep30-21swapper/307:08:293
111391310,6ptp4l0-21swapper/509:45:435
111391310,0ptp4l0-21swapper/410:59:344
111391310,0ptp4l0-21swapper/010:03:140
111391300,0ptp4l0-21swapper/507:10:135
111391300,0ptp4l0-21swapper/411:36:524
111391300,0ptp4l0-21swapper/411:07:064
111391300,0ptp4l0-21swapper/409:25:564
111391300,0ptp4l0-21swapper/011:30:110
111391300,0ptp4l0-21swapper/010:37:280
111391300,0ptp4l0-21swapper/009:58:370
111391300,0ptp4l0-21swapper/008:26:430
111391290,0ptp4l0-21swapper/511:56:295
111391290,0ptp4l0-21swapper/510:25:555
111391290,0ptp4l0-21swapper/508:25:125
111391290,0ptp4l0-21swapper/507:20:135
111391290,0ptp4l0-21swapper/412:01:504
111391290,0ptp4l0-21swapper/411:48:084
111391290,0ptp4l0-21swapper/010:49:080
111391290,0ptp4l0-21swapper/009:32:220
111391280,0ptp4l27208-21ssh11:16:171
111391280,0ptp4l0-21swapper/412:36:004
111391280,0ptp4l0-21swapper/412:05:374
111391280,0ptp4l0-21swapper/411:53:584
111391280,0ptp4l0-21swapper/410:20:154
111391280,0ptp4l0-21swapper/409:38:534
111391280,0ptp4l0-21swapper/110:20:451
111391280,0ptp4l0-21swapper/009:42:440
111391280,0ptp4l0-21swapper/009:20:140
111391270,0ptp4l0-21swapper/510:50:095
111391270,0ptp4l0-21swapper/412:20:194
111391270,0ptp4l0-21swapper/411:25:154
111391270,0ptp4l0-21swapper/411:10:174
111391270,0ptp4l0-21swapper/410:15:364
111391270,0ptp4l0-21swapper/410:07:364
111391270,0ptp4l0-21swapper/409:17:514
111391270,0ptp4l0-21swapper/112:08:291
111391270,0ptp4l0-21swapper/011:38:010
111391270,0ptp4l0-21swapper/010:56:260
111391270,0ptp4l0-21swapper/010:33:070
111391270,0ptp4l0-21swapper/010:17:050
111391270,0ptp4l0-21swapper/009:54:480
111391270,0ptp4l0-21swapper/008:40:210
111391270,0ptp4l0-21swapper/008:40:200
111391260,0ptp4l0-21swapper/511:19:085
111391260,0ptp4l0-21swapper/510:04:555
111391260,0ptp4l0-21swapper/410:38:514
111391260,0ptp4l0-21swapper/410:04:044
111391260,0ptp4l0-21swapper/409:30:534
111391260,0ptp4l0-21swapper/012:32:080
111391260,0ptp4l0-21swapper/012:28:500
111391260,0ptp4l0-21swapper/012:16:380
111391260,0ptp4l0-21swapper/012:10:330
111391260,0ptp4l0-21swapper/012:04:550
111391260,0ptp4l0-21swapper/010:54:490
111391260,0ptp4l0-21swapper/010:42:230
111391260,0ptp4l0-21swapper/010:14:110
111391260,0ptp4l0-21swapper/009:45:190
111391260,0ptp4l0-21swapper/009:26:310
111391260,0ptp4l0-21swapper/009:05:140
111391260,0ptp4l0-21swapper/008:55:210
111391260,0ptp4l0-21swapper/007:25:140
111391250,2ptp4l0-21swapper/512:26:525
111391250,1ptp4l8945-21hddtemp_smartct12:20:130
111391250,1ptp4l19237-21users08:45:194
111391250,1ptp4l14746-21munin-plugin-st11:45:010
111391250,0ptp4l0-21swapper/512:34:015
111391250,0ptp4l0-21swapper/510:07:535
111391250,0ptp4l0-21swapper/509:00:145
111391250,0ptp4l0-21swapper/509:00:005
111391250,0ptp4l0-21swapper/412:31:524
111391250,0ptp4l0-21swapper/411:30:444
111391250,0ptp4l0-21swapper/407:30:114
111391250,0ptp4l0-21swapper/211:55:212
111391250,0ptp4l0-21swapper/112:11:121
111391250,0ptp4l0-21swapper/110:57:401
111391250,0ptp4l0-21swapper/107:55:161
111391250,0ptp4l0-21swapper/012:35:130
111391250,0ptp4l0-21swapper/011:57:250
111391250,0ptp4l0-21swapper/011:24:280
111391250,0ptp4l0-21swapper/011:24:280
111391250,0ptp4l0-21swapper/011:10:540
111391250,0ptp4l0-21swapper/009:15:140
111391250,0ptp4l0-21swapper/008:15:140
111391250,0ptp4l0-21swapper/008:10:150
111391250,0ptp4l0-21swapper/008:00:130
111391240,1ptp4l9429-21irqstats07:15:150
111391240,1ptp4l8593-21memory11:35:155
111391240,1ptp4l7896-21latency_hist09:25:014
111391240,1ptp4l25-21ksoftirqd/109:20:121
111391240,1ptp4l22516-21cpuspeed_turbos08:55:114
111391240,1ptp4l20919-21df10:25:120
111391240,1ptp4l20655-21kernelversion08:50:150
111391240,0ptp4l0-21swapper/512:01:595
111391240,0ptp4l0-21swapper/511:51:485
111391240,0ptp4l0-21swapper/511:31:475
111391240,0ptp4l0-21swapper/509:18:015
111391240,0ptp4l0-21swapper/412:25:194
111391240,0ptp4l0-21swapper/412:18:194
111391240,0ptp4l0-21swapper/411:20:544
111391240,0ptp4l0-21swapper/411:20:534
111391240,0ptp4l0-21swapper/411:02:264
111391240,0ptp4l0-21swapper/410:49:334
111391240,0ptp4l0-21swapper/410:40:144
111391240,0ptp4l0-21swapper/409:52:314
111391240,0ptp4l0-21swapper/408:50:194
111391240,0ptp4l0-21swapper/111:35:491
111391240,0ptp4l0-21swapper/110:10:121
111391240,0ptp4l0-21swapper/109:45:371
111391240,0ptp4l0-21swapper/109:39:591
111391240,0ptp4l0-21swapper/107:45:181
111391240,0ptp4l0-21swapper/011:52:440
111391240,0ptp4l0-21swapper/011:45:220
111391240,0ptp4l0-21swapper/011:05:130
111391240,0ptp4l0-21swapper/011:01:140
111391240,0ptp4l0-21swapper/010:20:210
111391240,0ptp4l0-21swapper/010:05:150
111391240,0ptp4l0-21swapper/009:39:310
111391240,0ptp4l0-21swapper/009:10:250
111391240,0ptp4l0-21swapper/008:20:190
111391240,0ptp4l0-21swapper/007:50:150
111391240,0ptp4l0-21swapper/007:45:170
111391230,1ptp4l7065-21sh09:22:413
111391230,1ptp4l6947-21ssh12:16:392
111391230,1ptp4l31293-21sed12:05:190
111391230,1ptp4l11862-21/usr/sbin/munin07:20:141
111391230,1ptp4l1061-21snmpd08:30:100
111391230,1ptp4l0-21swapper/111:54:331
111391230,0ptp4l0-21swapper/711:04:117
111391230,0ptp4l0-21swapper/612:30:166
111391230,0ptp4l0-21swapper/611:55:196
111391230,0ptp4l0-21swapper/610:18:006
111391230,0ptp4l0-21swapper/512:10:115
111391230,0ptp4l0-21swapper/512:06:075
111391230,0ptp4l0-21swapper/511:45:205
111391230,0ptp4l0-21swapper/510:45:135
111391230,0ptp4l0-21swapper/510:35:325
111391230,0ptp4l0-21swapper/510:20:395
111391230,0ptp4l0-21swapper/510:16:115
111391230,0ptp4l0-21swapper/509:59:055
111391230,0ptp4l0-21swapper/509:40:135
111391230,0ptp4l0-21swapper/509:34:535
111391230,0ptp4l0-21swapper/508:05:215
111391230,0ptp4l0-21swapper/411:56:514
111391230,0ptp4l0-21swapper/411:44:114
111391230,0ptp4l0-21swapper/410:51:564
111391230,0ptp4l0-21swapper/410:33:564
111391230,0ptp4l0-21swapper/410:25:234
111391230,0ptp4l0-21swapper/410:10:204
111391230,0ptp4l0-21swapper/409:58:014
111391230,0ptp4l0-21swapper/409:45:124
111391230,0ptp4l0-21swapper/409:10:174
111391230,0ptp4l0-21swapper/409:05:184
111391230,0ptp4l0-21swapper/408:35:194
111391230,0ptp4l0-21swapper/408:35:184
111391230,0ptp4l0-21swapper/408:30:184
111391230,0ptp4l0-21swapper/408:20:114
111391230,0ptp4l0-21swapper/408:10:104
111391230,0ptp4l0-21swapper/408:00:114
111391230,0ptp4l0-21swapper/407:45:104
111391230,0ptp4l0-21swapper/407:25:174
111391230,0ptp4l0-21swapper/212:30:102
111391230,0ptp4l0-21swapper/207:30:122
111391230,0ptp4l0-21swapper/112:31:251
111391230,0ptp4l0-21swapper/112:22:131
111391230,0ptp4l0-21swapper/111:56:411
111391230,0ptp4l0-21swapper/111:40:011
111391230,0ptp4l0-21swapper/110:31:141
111391230,0ptp4l0-21swapper/109:51:041
111391230,0ptp4l0-21swapper/109:40:121
111391230,0ptp4l0-21swapper/109:00:141
111391230,0ptp4l0-21swapper/108:25:151
111391230,0ptp4l0-21swapper/108:05:201
111391230,0ptp4l0-21swapper/107:10:171
111391230,0ptp4l0-21swapper/011:25:190
111391230,0ptp4l0-21swapper/011:16:590
111391230,0ptp4l0-21swapper/008:45:110
111391230,0ptp4l0-21swapper/007:35:100
111391230,0ptp4l0-21swapper/007:30:010
111391230,0ptp4l0-21swapper/007:24:550
111391220,4ptp4l0-21swapper/507:45:195
111391220,0ptp4l0-21swapper/710:47:537
111391220,0ptp4l0-21swapper/709:23:027
111391220,0ptp4l0-21swapper/609:28:596
111391220,0ptp4l0-21swapper/607:30:176
111391220,0ptp4l0-21swapper/512:37:175
111391220,0ptp4l0-21swapper/512:24:385
111391220,0ptp4l0-21swapper/512:16:155
111391220,0ptp4l0-21swapper/511:22:575
111391220,0ptp4l0-21swapper/511:22:575
111391220,0ptp4l0-21swapper/510:55:225
111391220,0ptp4l0-21swapper/510:43:405
111391220,0ptp4l0-21swapper/510:11:365
111391220,0ptp4l0-21swapper/509:50:225
111391220,0ptp4l0-21swapper/509:35:145
111391220,0ptp4l0-21swapper/509:29:035
111391220,0ptp4l0-21swapper/509:20:015
111391220,0ptp4l0-21swapper/508:20:005
111391220,0ptp4l0-21swapper/507:35:195
111391220,0ptp4l0-21swapper/412:10:004
111391220,0ptp4l0-21swapper/411:15:164
111391220,0ptp4l0-21swapper/409:40:474
111391220,0ptp4l0-21swapper/408:40:014
111391220,0ptp4l0-21swapper/408:40:014
111391220,0ptp4l0-21swapper/408:15:154
111391220,0ptp4l0-21swapper/407:55:144
111391220,0ptp4l0-21swapper/407:41:144
111391220,0ptp4l0-21swapper/407:35:124
111391220,0ptp4l0-21swapper/407:15:164
111391220,0ptp4l0-21swapper/407:11:284
111391220,0ptp4l0-21swapper/311:03:193
111391220,0ptp4l0-21swapper/310:41:273
111391220,0ptp4l0-21swapper/211:15:092
111391220,0ptp4l0-21swapper/211:08:332
111391220,0ptp4l0-21swapper/210:18:052
111391220,0ptp4l0-21swapper/210:07:092
111391220,0ptp4l0-21swapper/209:28:572
111391220,0ptp4l0-21swapper/209:24:162
111391220,0ptp4l0-21swapper/112:37:001
111391220,0ptp4l0-21swapper/112:25:271
111391220,0ptp4l0-21swapper/112:16:091
111391220,0ptp4l0-21swapper/111:45:161
111391220,0ptp4l0-21swapper/111:31:441
111391220,0ptp4l0-21swapper/111:26:311
111391220,0ptp4l0-21swapper/111:13:351
111391220,0ptp4l0-21swapper/110:50:101
111391220,0ptp4l0-21swapper/110:45:001
111391220,0ptp4l0-21swapper/110:40:411
111391220,0ptp4l0-21swapper/110:37:011
111391220,0ptp4l0-21swapper/110:28:521
111391220,0ptp4l0-21swapper/110:16:081
111391220,0ptp4l0-21swapper/109:58:441
111391220,0ptp4l0-21swapper/109:34:391
111391220,0ptp4l0-21swapper/109:15:201
111391220,0ptp4l0-21swapper/109:09:041
111391220,0ptp4l0-21swapper/107:40:121
111391220,0ptp4l0-21swapper/107:35:191
111391220,0ptp4l0-21swapper/007:40:200
111391210,0ptp4l0-21swapper/611:03:106
111391210,0ptp4l0-21swapper/610:07:116
111391210,0ptp4l0-21swapper/609:32:366
111391210,0ptp4l0-21swapper/511:40:195
111391210,0ptp4l0-21swapper/511:26:155
111391210,0ptp4l0-21swapper/511:12:065
111391210,0ptp4l0-21swapper/510:32:565
111391210,0ptp4l0-21swapper/508:05:015
111391210,0ptp4l0-21swapper/507:40:435
111391210,0ptp4l0-21swapper/407:50:074
111391210,0ptp4l0-21swapper/209:32:442
111391210,0ptp4l0-21swapper/209:13:382
111391210,0ptp4l0-21swapper/112:01:061
111391210,0ptp4l0-21swapper/111:22:451
111391210,0ptp4l0-21swapper/111:22:441
111391210,0ptp4l0-21swapper/111:01:251
111391210,0ptp4l0-21swapper/110:06:101
111391210,0ptp4l0-21swapper/110:04:541
111391210,0ptp4l0-21swapper/109:27:241
111391210,0ptp4l0-21swapper/008:35:160
111391210,0ptp4l0-21swapper/008:35:160
111391210,0ptp4l0-21swapper/008:09:040
111391210,0ptp4l0-21swapper/007:55:120
111391200,1ptp4l802-21ksmtuned08:49:035
111391200,0ptp4l0-21swapper/710:41:157
111391200,0ptp4l0-21swapper/611:20:456
111391200,0ptp4l0-21swapper/611:20:456
111391200,0ptp4l0-21swapper/610:31:066
111391200,0ptp4l0-21swapper/608:57:436
111391200,0ptp4l0-21swapper/511:01:435
111391200,0ptp4l0-21swapper/509:06:435
111391200,0ptp4l0-21swapper/508:42:445
111391200,0ptp4l0-21swapper/508:42:435
111391200,0ptp4l0-21swapper/508:18:035
111391200,0ptp4l0-21swapper/507:52:445
111391200,0ptp4l0-21swapper/507:26:025
111391200,0ptp4l0-21swapper/408:25:414
111391200,0ptp4l0-21swapper/310:14:303
111391200,0ptp4l0-21swapper/211:39:202
111391200,0ptp4l0-21swapper/211:27:352
111391200,0ptp4l0-21swapper/211:20:442
111391200,0ptp4l0-21swapper/211:20:432
111391200,0ptp4l0-21swapper/210:31:042
111391200,0ptp4l0-21swapper/108:56:451
111391200,0ptp4l0-21swapper/108:36:031
111391200,0ptp4l0-21swapper/108:36:021
111391200,0ptp4l0-21swapper/108:15:201
111391200,0ptp4l0-21swapper/009:02:340
111391200,0ptp4l0-21swapper/007:13:300
111391190,0ptp4l0-21swapper/607:42:436
111391190,0ptp4l0-21swapper/508:13:105
111391190,0ptp4l0-21swapper/108:51:371
111391190,0ptp4l0-21swapper/108:42:531
111391190,0ptp4l0-21swapper/108:42:521
111391190,0ptp4l0-21swapper/108:34:551
111391190,0ptp4l0-21swapper/108:04:251
111391190,0ptp4l0-21swapper/107:19:021
111391180,1ptp4l0-21swapper/308:08:233
111391180,0ptp4l0-21swapper/507:55:165
111391180,0ptp4l0-21swapper/211:03:112
111391170,1ptp4l22150-21crond07:44:592
111391170,0ptp4l1068-21runrttasks11:15:096
111391170,0ptp4l0-21swapper/612:16:406
111391170,0ptp4l0-21swapper/407:20:244
111391170,0ptp4l0-21swapper/107:52:381
573099160,1cyclictest0-21swapper/611:10:126
111391160,0ptp4l0-21swapper/611:27:376
111391160,0ptp4l0-21swapper/609:24:146
111391160,0ptp4l0-21swapper/608:30:516
111391160,0ptp4l0-21swapper/608:16:406
111391160,0ptp4l0-21swapper/409:01:444
111391160,0ptp4l0-21swapper/408:09:124
111391160,0ptp4l0-21swapper/108:46:471
111391160,0ptp4l0-21swapper/108:22:091
111391160,0ptp4l0-21swapper/108:13:061
111391160,0ptp4l0-21swapper/107:25:591
111391150,0ptp4l0-21swapper/612:35:236
111391150,0ptp4l0-21swapper/611:39:186
111391150,0ptp4l0-21swapper/611:08:336
111391150,0ptp4l0-21swapper/608:37:206
111391150,0ptp4l0-21swapper/608:37:196
111391150,0ptp4l0-21swapper/608:23:016
111391150,0ptp4l0-21swapper/608:11:396
111391150,0ptp4l0-21swapper/608:02:396
111391150,0ptp4l0-21swapper/607:50:256
111391150,0ptp4l0-21swapper/607:45:036
111391150,0ptp4l0-21swapper/607:11:406
111391150,0ptp4l0-21swapper/508:51:065
111391150,0ptp4l0-21swapper/508:34:485
111391150,0ptp4l0-21swapper/507:16:125
111391150,0ptp4l0-21swapper/209:01:292
111391150,0ptp4l0-21swapper/208:44:142
111391150,0ptp4l0-21swapper/208:44:132
111391150,0ptp4l0-21swapper/208:30:502
111391150,0ptp4l0-21swapper/208:22:472
111391150,0ptp4l0-21swapper/207:50:252
111391150,0ptp4l0-21swapper/207:11:562
5738991412,1cyclictest0-21swapper/709:55:167
111391140,0ptp4l0-21swapper/708:08:247
111391140,0ptp4l0-21swapper/609:01:316
111391140,0ptp4l0-21swapper/608:52:286
111391140,0ptp4l0-21swapper/608:44:166
111391140,0ptp4l0-21swapper/608:44:156
111391140,0ptp4l0-21swapper/608:09:036
111391140,0ptp4l0-21swapper/208:57:392
111391140,0ptp4l0-21swapper/208:52:272
111391140,0ptp4l0-21swapper/208:37:182
111391140,0ptp4l0-21swapper/208:37:172
111391140,0ptp4l0-21swapper/208:16:402
111391140,0ptp4l0-21swapper/208:11:382
111391140,0ptp4l0-21swapper/208:02:372
111391140,0ptp4l0-21swapper/207:45:022
573099139,3cyclictest1606-21munin-run09:59:596
573899129,2cyclictest0-21swapper/711:07:487
573899120,1cyclictest0-21swapper/708:45:137
573899120,11cyclictest0-21swapper/709:48:367
573099120,1cyclictest0-21swapper/612:09:046
573899117,3cyclictest0-21swapper/711:12:427
573899114,6cyclictest27162-21sh10:33:387
573899112,1cyclictest0-21swapper/712:03:007
573899110,1cyclictest0-21swapper/710:15:117
573899110,10cyclictest0-21swapper/709:18:247
573899110,10cyclictest0-21swapper/707:45:137
573099110,1cyclictest26985-21latency12:00:166
573099110,1cyclictest0-21swapper/612:28:046
573099110,1cyclictest0-21swapper/610:54:126
573099110,1cyclictest0-21swapper/610:37:046
573099110,1cyclictest0-21swapper/610:00:126
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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