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2026-03-13 - 19:51

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 Fri Mar 13, 2026 12:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71042670,0sleep50-21swapper/508:45:125
111391660,29ptp4l0-21swapper/107:09:051
111391640,30ptp4l0-21swapper/007:06:160
164102600,0sleep50-21swapper/510:35:195
2689025746,7sleep20-21swapper/207:08:352
111391570,5ptp4l0-21swapper/507:05:175
111391570,5ptp4l0-21swapper/407:06:434
2664525634,7sleep30-21swapper/307:05:233
2685624836,7sleep60-21swapper/607:08:066
2698124737,6sleep70-21swapper/707:09:447
111391330,0ptp4l0-21swapper/011:54:590
111391310,4ptp4l0-21swapper/010:30:590
111391310,0ptp4l0-21swapper/412:36:134
111391310,0ptp4l0-21swapper/410:18:024
111391310,0ptp4l0-21swapper/111:06:521
111391310,0ptp4l0-21swapper/010:02:490
111391300,0ptp4l0-21swapper/411:25:554
111391300,0ptp4l0-21swapper/407:25:124
111391300,0ptp4l0-21swapper/110:54:411
111391300,0ptp4l0-21swapper/011:09:090
111391300,0ptp4l0-21swapper/009:17:550
111391290,0ptp4l0-21swapper/011:23:450
111391280,3ptp4l3481-21ssh11:49:184
111391280,0ptp4l0-21swapper/410:37:044
111391280,0ptp4l0-21swapper/410:12:134
111391280,0ptp4l0-21swapper/407:55:174
111391280,0ptp4l0-21swapper/112:19:301
111391280,0ptp4l0-21swapper/010:48:410
111391280,0ptp4l0-21swapper/010:40:020
111391280,0ptp4l0-21swapper/010:19:200
111391280,0ptp4l0-21swapper/007:25:010
111391270,0ptp4l0-21swapper/412:15:434
111391270,0ptp4l0-21swapper/410:33:314
111391270,0ptp4l0-21swapper/409:36:164
111391270,0ptp4l0-21swapper/112:01:471
111391270,0ptp4l0-21swapper/012:28:240
111391270,0ptp4l0-21swapper/011:33:170
111391270,0ptp4l0-21swapper/010:57:470
111391270,0ptp4l0-21swapper/010:53:110
111391270,0ptp4l0-21swapper/010:25:210
111391270,0ptp4l0-21swapper/007:47:220
111391260,3ptp4l0-21swapper/009:30:200
111391260,1ptp4l11176-21systemd-cgroups08:55:000
111391260,0ptp4l0-21swapper/709:28:287
111391260,0ptp4l0-21swapper/412:00:104
111391260,0ptp4l0-21swapper/410:53:084
111391260,0ptp4l0-21swapper/410:25:484
111391260,0ptp4l0-21swapper/410:22:324
111391260,0ptp4l0-21swapper/409:16:524
111391260,0ptp4l0-21swapper/408:20:154
111391260,0ptp4l0-21swapper/109:39:301
111391260,0ptp4l0-21swapper/012:15:190
111391260,0ptp4l0-21swapper/012:11:270
111391260,0ptp4l0-21swapper/012:05:420
111391260,0ptp4l0-21swapper/011:41:110
111391260,0ptp4l0-21swapper/009:57:170
111391260,0ptp4l0-21swapper/009:49:490
111391260,0ptp4l0-21swapper/009:42:320
111391260,0ptp4l0-21swapper/009:26:520
111391260,0ptp4l0-21swapper/007:51:060
111391250,1ptp4l15633-21irqstats12:05:134
111391250,0ptp4l0-21swapper/512:20:465
111391250,0ptp4l0-21swapper/510:30:115
111391250,0ptp4l0-21swapper/412:30:474
111391250,0ptp4l0-21swapper/412:30:464
111391250,0ptp4l0-21swapper/411:31:204
111391250,0ptp4l0-21swapper/411:16:164
111391250,0ptp4l0-21swapper/411:01:434
111391250,0ptp4l0-21swapper/408:45:134
111391250,0ptp4l0-21swapper/407:15:014
111391250,0ptp4l0-21swapper/407:15:014
111391250,0ptp4l0-21swapper/111:28:541
111391250,0ptp4l0-21swapper/012:35:400
111391250,0ptp4l0-21swapper/012:30:100
111391250,0ptp4l0-21swapper/012:30:100
111391250,0ptp4l0-21swapper/012:23:150
111391250,0ptp4l0-21swapper/009:50:150
111391250,0ptp4l0-21swapper/009:50:140
111391250,0ptp4l0-21swapper/008:25:120
111391250,0ptp4l0-21swapper/008:09:330
111391240,1ptp4l0-21swapper/409:20:114
111391240,0ptp4l0-21swapper/411:57:314
111391240,0ptp4l0-21swapper/411:11:124
111391240,0ptp4l0-21swapper/410:47:154
111391240,0ptp4l0-21swapper/410:00:124
111391240,0ptp4l0-21swapper/409:53:434
111391240,0ptp4l0-21swapper/409:53:434
111391240,0ptp4l0-21swapper/409:42:214
111391240,0ptp4l0-21swapper/409:30:514
111391240,0ptp4l0-21swapper/408:35:104
111391240,0ptp4l0-21swapper/407:35:174
111391240,0ptp4l0-21swapper/110:06:571
111391240,0ptp4l0-21swapper/011:38:110
111391240,0ptp4l0-21swapper/010:13:350
111391240,0ptp4l0-21swapper/009:12:220
111391240,0ptp4l0-21swapper/009:05:180
111391240,0ptp4l0-21swapper/008:00:120
111391230,1ptp4l29570-21munin-node07:15:010
111391230,1ptp4l29570-21munin-node07:15:010
111391230,1ptp4l16319-21ptp4l10:35:160
111391230,1ptp4l15100-21grep09:00:194
111391230,0ptp4l121rcu_preempt11:25:210
111391230,0ptp4l0-21swapper/711:00:137
111391230,0ptp4l0-21swapper/511:30:115
111391230,0ptp4l0-21swapper/510:24:155
111391230,0ptp4l0-21swapper/509:10:195
111391230,0ptp4l0-21swapper/508:10:135
111391230,0ptp4l0-21swapper/507:45:115
111391230,0ptp4l0-21swapper/412:30:014
111391230,0ptp4l0-21swapper/412:10:124
111391230,0ptp4l0-21swapper/411:35:184
111391230,0ptp4l0-21swapper/411:24:254
111391230,0ptp4l0-21swapper/411:05:194
111391230,0ptp4l0-21swapper/410:55:154
111391230,0ptp4l0-21swapper/410:06:014
111391230,0ptp4l0-21swapper/409:47:574
111391230,0ptp4l0-21swapper/409:10:154
111391230,0ptp4l0-21swapper/408:40:114
111391230,0ptp4l0-21swapper/408:25:194
111391230,0ptp4l0-21swapper/408:15:124
111391230,0ptp4l0-21swapper/408:05:014
111391230,0ptp4l0-21swapper/407:50:144
111391230,0ptp4l0-21swapper/407:35:014
111391230,0ptp4l0-21swapper/312:34:353
111391230,0ptp4l0-21swapper/312:34:353
111391230,0ptp4l0-21swapper/309:28:203
111391230,0ptp4l0-21swapper/112:05:111
111391230,0ptp4l0-21swapper/111:15:141
111391230,0ptp4l0-21swapper/110:17:311
111391230,0ptp4l0-21swapper/109:53:071
111391230,0ptp4l0-21swapper/109:53:071
111391230,0ptp4l0-21swapper/108:30:091
111391230,0ptp4l0-21swapper/107:30:141
111391230,0ptp4l0-21swapper/107:20:101
111391230,0ptp4l0-21swapper/107:11:491
111391230,0ptp4l0-21swapper/107:11:491
111391230,0ptp4l0-21swapper/011:55:120
111391230,0ptp4l0-21swapper/011:45:170
111391230,0ptp4l0-21swapper/011:15:190
111391230,0ptp4l0-21swapper/011:11:200
111391230,0ptp4l0-21swapper/011:01:440
111391230,0ptp4l0-21swapper/010:23:020
111391230,0ptp4l0-21swapper/010:05:120
111391230,0ptp4l0-21swapper/009:35:100
111391230,0ptp4l0-21swapper/009:20:110
111391230,0ptp4l0-21swapper/008:45:170
111391230,0ptp4l0-21swapper/008:40:190
111391230,0ptp4l0-21swapper/008:20:130
111391230,0ptp4l0-21swapper/007:55:160
111391230,0ptp4l0-21swapper/007:40:110
111391230,0ptp4l0-21swapper/007:40:000
111391220,1ptp4l32043-21ssh11:43:451
111391220,1ptp4l18041-21diskmemload10:51:425
111391220,1ptp4l11632-21cat08:55:110
111391220,0ptp4l0-21swapper/712:14:407
111391220,0ptp4l0-21swapper/709:23:297
111391220,0ptp4l0-21swapper/512:38:115
111391220,0ptp4l0-21swapper/512:12:575
111391220,0ptp4l0-21swapper/512:05:205
111391220,0ptp4l0-21swapper/512:02:295
111391220,0ptp4l0-21swapper/511:50:305
111391220,0ptp4l0-21swapper/511:29:455
111391220,0ptp4l0-21swapper/511:20:145
111391220,0ptp4l0-21swapper/511:15:005
111391220,0ptp4l0-21swapper/511:07:085
111391220,0ptp4l0-21swapper/510:16:255
111391220,0ptp4l0-21swapper/510:00:135
111391220,0ptp4l0-21swapper/509:05:165
111391220,0ptp4l0-21swapper/508:30:145
111391220,0ptp4l0-21swapper/508:15:195
111391220,0ptp4l0-21swapper/507:20:095
111391220,0ptp4l0-21swapper/507:10:105
111391220,0ptp4l0-21swapper/507:10:105
111391220,0ptp4l0-21swapper/411:50:124
111391220,0ptp4l0-21swapper/411:40:014
111391220,0ptp4l0-21swapper/410:40:124
111391220,0ptp4l0-21swapper/409:55:124
111391220,0ptp4l0-21swapper/409:25:074
111391220,0ptp4l0-21swapper/409:05:174
111391220,0ptp4l0-21swapper/408:50:114
111391220,0ptp4l0-21swapper/408:35:014
111391220,0ptp4l0-21swapper/408:05:154
111391220,0ptp4l0-21swapper/312:14:553
111391220,0ptp4l0-21swapper/311:00:093
111391220,0ptp4l0-21swapper/211:24:292
111391220,0ptp4l0-21swapper/112:31:041
111391220,0ptp4l0-21swapper/112:31:031
111391220,0ptp4l0-21swapper/112:25:131
111391220,0ptp4l0-21swapper/112:20:171
111391220,0ptp4l0-21swapper/112:13:221
111391220,0ptp4l0-21swapper/111:51:091
111391220,0ptp4l0-21swapper/111:49:211
111391220,0ptp4l0-21swapper/111:30:111
111391220,0ptp4l0-21swapper/110:36:081
111391220,0ptp4l0-21swapper/110:29:261
111391220,0ptp4l0-21swapper/109:55:311
111391220,0ptp4l0-21swapper/109:45:141
111391220,0ptp4l0-21swapper/109:23:081
111391220,0ptp4l0-21swapper/108:10:141
111391220,0ptp4l0-21swapper/107:45:171
111391220,0ptp4l0-21swapper/012:00:130
111391220,0ptp4l0-21swapper/009:00:140
111391220,0ptp4l0-21swapper/008:35:090
111391220,0ptp4l0-21swapper/008:15:150
111391210,3ptp4l241ktimersoftd/108:19:031
111391210,0ptp4l0-21swapper/712:34:337
111391210,0ptp4l0-21swapper/712:34:327
111391210,0ptp4l0-21swapper/710:00:417
111391210,0ptp4l0-21swapper/611:45:316
111391210,0ptp4l0-21swapper/610:04:326
111391210,0ptp4l0-21swapper/609:15:056
111391210,0ptp4l0-21swapper/512:25:105
111391210,0ptp4l0-21swapper/512:19:245
111391210,0ptp4l0-21swapper/511:56:015
111391210,0ptp4l0-21swapper/511:40:285
111391210,0ptp4l0-21swapper/511:38:515
111391210,0ptp4l0-21swapper/511:14:055
111391210,0ptp4l0-21swapper/511:00:065
111391210,0ptp4l0-21swapper/510:58:155
111391210,0ptp4l0-21swapper/510:29:135
111391210,0ptp4l0-21swapper/510:10:125
111391210,0ptp4l0-21swapper/510:06:525
111391210,0ptp4l0-21swapper/509:55:515
111391210,0ptp4l0-21swapper/509:53:165
111391210,0ptp4l0-21swapper/509:53:155
111391210,0ptp4l0-21swapper/509:46:445
111391210,0ptp4l0-21swapper/509:35:595
111391210,0ptp4l0-21swapper/509:30:045
111391210,0ptp4l0-21swapper/509:26:225
111391210,0ptp4l0-21swapper/509:22:345
111391210,0ptp4l0-21swapper/507:30:165
111391210,0ptp4l0-21swapper/412:22:434
111391210,0ptp4l0-21swapper/408:55:014
111391210,0ptp4l0-21swapper/408:10:204
111391210,0ptp4l0-21swapper/407:40:014
111391210,0ptp4l0-21swapper/407:20:014
111391210,0ptp4l0-21swapper/310:00:483
111391210,0ptp4l0-21swapper/309:23:263
111391210,0ptp4l0-21swapper/209:15:022
111391210,0ptp4l0-21swapper/112:39:101
111391210,0ptp4l0-21swapper/111:38:441
111391210,0ptp4l0-21swapper/111:20:111
111391210,0ptp4l0-21swapper/110:55:001
111391210,0ptp4l0-21swapper/110:46:131
111391210,0ptp4l0-21swapper/110:40:451
111391210,0ptp4l0-21swapper/110:02:071
111391210,0ptp4l0-21swapper/109:14:191
111391210,0ptp4l0-21swapper/108:48:571
111391210,0ptp4l0-21swapper/108:25:551
111391210,0ptp4l0-21swapper/008:10:170
111391210,0ptp4l0-21swapper/007:30:130
111391200,0ptp4l0-21swapper/709:57:287
111391200,0ptp4l0-21swapper/708:56:217
111391200,0ptp4l0-21swapper/708:06:057
111391200,0ptp4l0-21swapper/511:49:045
111391200,0ptp4l0-21swapper/510:45:285
111391200,0ptp4l0-21swapper/510:40:555
111391200,0ptp4l0-21swapper/508:51:215
111391200,0ptp4l0-21swapper/508:29:135
111391200,0ptp4l0-21swapper/507:17:055
111391200,0ptp4l0-21swapper/507:17:055
111391200,0ptp4l0-21swapper/407:46:154
111391200,0ptp4l0-21swapper/312:15:063
111391200,0ptp4l0-21swapper/311:57:573
111391200,0ptp4l0-21swapper/311:14:253
111391200,0ptp4l0-21swapper/307:57:323
111391200,0ptp4l0-21swapper/210:58:222
111391200,0ptp4l0-21swapper/210:08:412
111391200,0ptp4l0-21swapper/210:04:292
111391200,0ptp4l0-21swapper/209:36:462
111391200,0ptp4l0-21swapper/111:13:551
111391200,0ptp4l0-21swapper/111:04:061
111391200,0ptp4l0-21swapper/110:30:101
111391200,0ptp4l0-21swapper/109:44:261
111391200,0ptp4l0-21swapper/109:30:031
111391200,0ptp4l0-21swapper/109:29:571
111391200,0ptp4l0-21swapper/108:53:221
111391200,0ptp4l0-21swapper/108:08:221
111391200,0ptp4l0-21swapper/007:20:060
111391190,0ptp4l0-21swapper/711:57:587
111391190,0ptp4l0-21swapper/512:31:055
111391190,0ptp4l0-21swapper/512:31:045
111391190,0ptp4l0-21swapper/509:44:235
111391190,0ptp4l0-21swapper/509:18:055
111391190,0ptp4l0-21swapper/507:44:555
111391190,0ptp4l0-21swapper/308:56:063
111391190,0ptp4l0-21swapper/307:38:053
111391190,0ptp4l0-21swapper/211:45:302
111391190,0ptp4l0-21swapper/210:49:042
111391190,0ptp4l0-21swapper/208:21:542
111391190,0ptp4l0-21swapper/109:17:591
111391190,0ptp4l0-21swapper/109:05:161
111391190,0ptp4l0-21swapper/107:44:251
111391190,0ptp4l0-21swapper/008:31:390
227132180,0sleep70-21swapper/710:45:147
111391180,2ptp4l0-21swapper/110:11:001
111391180,0ptp4l0-21swapper/712:15:017
111391180,0ptp4l0-21swapper/711:14:327
111391180,0ptp4l0-21swapper/610:08:226
111391180,0ptp4l0-21swapper/407:12:064
111391180,0ptp4l0-21swapper/407:12:064
111391180,0ptp4l0-21swapper/111:55:571
111391180,0ptp4l0-21swapper/110:22:361
111391170,2ptp4l0-21swapper/109:03:121
111391170,0ptp4l0-21swapper/508:04:215
111391170,0ptp4l0-21swapper/210:35:102
111391170,0ptp4l0-21swapper/209:22:152
111391160,0ptp4l0-21swapper/610:44:276
111391160,0ptp4l0-21swapper/507:35:215
111391160,0ptp4l0-21swapper/309:57:303
111391160,0ptp4l0-21swapper/210:44:262
111391160,0ptp4l0-21swapper/108:42:051
111391160,0ptp4l0-21swapper/107:58:331
111391160,0ptp4l0-21swapper/107:35:571
111391160,0ptp4l0-21swapper/107:16:331
111391160,0ptp4l0-21swapper/107:16:331
111391160,0ptp4l0-21swapper/007:10:410
111391160,0ptp4l0-21swapper/007:10:410
111391150,0ptp4l0-21swapper/707:56:127
111391150,0ptp4l0-21swapper/707:37:467
111391150,0ptp4l0-21swapper/611:24:316
111391150,0ptp4l0-21swapper/610:16:076
111391150,0ptp4l0-21swapper/609:36:086
111391150,0ptp4l0-21swapper/608:44:556
111391150,0ptp4l0-21swapper/608:21:256
111391150,0ptp4l0-21swapper/508:55:305
111391150,0ptp4l0-21swapper/508:40:015
111391150,0ptp4l0-21swapper/508:39:315
111391150,0ptp4l0-21swapper/508:07:075
111391150,0ptp4l0-21swapper/507:58:235
111391150,0ptp4l0-21swapper/507:51:485
111391150,0ptp4l0-21swapper/507:26:325
111391150,0ptp4l0-21swapper/308:05:403
111391150,0ptp4l0-21swapper/210:16:072
111391150,0ptp4l0-21swapper/208:44:552
111391150,0ptp4l0-21swapper/208:27:242
111391150,0ptp4l0-21swapper/208:09:002
111391150,0ptp4l0-21swapper/207:47:102
111391150,0ptp4l0-21swapper/207:21:152
111391150,0ptp4l0-21swapper/207:15:232
111391150,0ptp4l0-21swapper/207:15:232
111391150,0ptp4l0-21swapper/207:12:372
111391150,0ptp4l0-21swapper/207:12:362
111391150,0ptp4l0-21swapper/108:55:311
111391150,0ptp4l0-21swapper/108:39:031
111391150,0ptp4l0-21swapper/108:20:361
111391150,0ptp4l0-21swapper/108:02:021
111391150,0ptp4l0-21swapper/107:51:451
111391150,0ptp4l0-21swapper/107:26:361
172642140,0sleep30-21swapper/309:51:263
172642140,0sleep30-21swapper/309:51:263
111391140,0ptp4l0-21swapper/607:37:116
111391140,0ptp4l0-21swapper/509:01:485
111391140,0ptp4l0-21swapper/508:20:365
111391140,0ptp4l0-21swapper/209:04:482
111391140,0ptp4l0-21swapper/208:57:562
111391140,0ptp4l0-21swapper/208:39:082
111391140,0ptp4l0-21swapper/208:34:372
111391140,0ptp4l0-21swapper/208:19:362
2730099137,3cyclictest131rcu_sched07:20:003
2730099137,3cyclictest131rcu_sched07:20:003
2732899119,1cyclictest0-21swapper/710:16:307
2732899110,10cyclictest0-21swapper/711:48:457
2732199110,10cyclictest0-21swapper/609:34:056
2732199110,10cyclictest0-21swapper/608:30:166
2732199110,10cyclictest0-21swapper/607:10:176
2732199110,10cyclictest0-21swapper/607:10:176
2732899100,9cyclictest0-21swapper/710:12:257
2732899100,9cyclictest0-21swapper/709:49:087
2732899100,9cyclictest0-21swapper/709:34:037
2732899100,9cyclictest0-21swapper/709:19:177
2732199109,0cyclictest0-21swapper/609:48:236
2732199100,9cyclictest0-21swapper/611:56:186
2732199100,0cyclictest0-21swapper/612:27:256
2730099100,9cyclictest0-21swapper/310:07:013
2730099100,0cyclictest0-21swapper/312:01:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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