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2026-07-21 - 22:27

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 Jul 21, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391760,6ptp4l0-21swapper/607:05:206
259892640,0sleep20-21swapper/212:10:592
1881916441,7phc2sys0-21swapper/107:05:381
111391620,5ptp4l0-21swapper/207:08:532
111391610,30ptp4l0-21swapper/007:09:570
71622570,0sleep60-21swapper/611:47:086
2334925625,16sleep70-21swapper/707:08:197
2329325645,7sleep40-21swapper/407:07:364
134912550,0sleep70-21swapper/711:55:187
77182540,0sleep0111rcuc/011:05:210
2346224636,6sleep50-21swapper/507:09:465
2157424534,7sleep30-21swapper/307:05:023
111391340,0ptp4l0-21swapper/410:55:114
111391310,3ptp4l0-21swapper/509:54:325
111391310,0ptp4l0-21swapper/710:33:437
111391310,0ptp4l0-21swapper/511:47:105
111391310,0ptp4l0-21swapper/511:39:365
111391310,0ptp4l0-21swapper/411:35:224
111391310,0ptp4l0-21swapper/411:00:514
111391310,0ptp4l0-21swapper/409:42:354
111391310,0ptp4l0-21swapper/409:18:564
111391310,0ptp4l0-21swapper/111:29:511
111391310,0ptp4l0-21swapper/012:06:240
111391310,0ptp4l0-21swapper/011:15:220
111391310,0ptp4l0-21swapper/011:15:210
111391310,0ptp4l0-21swapper/009:51:090
111391300,0ptp4l0-21swapper/512:38:505
111391300,0ptp4l0-21swapper/412:30:054
111391300,0ptp4l0-21swapper/411:49:024
111391300,0ptp4l0-21swapper/411:15:414
111391300,0ptp4l0-21swapper/411:15:404
111391300,0ptp4l0-21swapper/409:12:354
111391300,0ptp4l0-21swapper/010:45:520
111391290,4ptp4l0-21swapper/012:14:090
111391290,2ptp4l0-21swapper/011:01:280
111391290,0ptp4l49-21ksoftirqd/411:33:414
111391290,0ptp4l0-21swapper/512:28:175
111391290,0ptp4l0-21swapper/512:08:195
111391290,0ptp4l0-21swapper/509:35:465
111391290,0ptp4l0-21swapper/409:48:044
111391290,0ptp4l0-21swapper/111:44:091
111391290,0ptp4l0-21swapper/012:31:530
111391290,0ptp4l0-21swapper/011:35:490
111391290,0ptp4l0-21swapper/010:55:220
111391280,3ptp4l0-21swapper/510:43:345
111391280,2ptp4l0-21swapper/111:14:381
111391280,0ptp4l0-21swapper/512:12:075
111391280,0ptp4l0-21swapper/511:09:345
111391280,0ptp4l0-21swapper/410:44:214
111391280,0ptp4l0-21swapper/410:30:474
111391280,0ptp4l0-21swapper/410:09:544
111391280,0ptp4l0-21swapper/410:01:264
111391280,0ptp4l0-21swapper/011:52:200
111391280,0ptp4l0-21swapper/011:32:110
111391280,0ptp4l0-21swapper/011:10:460
111391280,0ptp4l0-21swapper/009:19:030
111391270,4ptp4l19233-21ssh12:03:285
111391270,0ptp4l0-21swapper/511:55:135
111391270,0ptp4l0-21swapper/511:29:155
111391270,0ptp4l0-21swapper/509:40:015
111391270,0ptp4l0-21swapper/411:53:164
111391270,0ptp4l0-21swapper/411:20:024
111391270,0ptp4l0-21swapper/411:05:344
111391270,0ptp4l0-21swapper/410:51:094
111391270,0ptp4l0-21swapper/410:16:574
111391270,0ptp4l0-21swapper/409:50:094
111391270,0ptp4l0-21swapper/409:34:274
111391270,0ptp4l0-21swapper/010:12:200
111391260,4ptp4l0-21swapper/510:00:315
111391260,2ptp4l0-21swapper/410:21:154
111391260,2ptp4l0-21swapper/009:42:250
111391260,0ptp4l0-21swapper/509:26:555
111391260,0ptp4l0-21swapper/507:30:175
111391260,0ptp4l0-21swapper/412:35:124
111391260,0ptp4l0-21swapper/412:25:534
111391260,0ptp4l0-21swapper/412:05:344
111391260,0ptp4l0-21swapper/412:00:324
111391260,0ptp4l0-21swapper/410:38:314
111391260,0ptp4l0-21swapper/409:25:494
111391260,0ptp4l0-21swapper/111:30:201
111391260,0ptp4l0-21swapper/012:26:490
111391260,0ptp4l0-21swapper/012:00:030
111391260,0ptp4l0-21swapper/011:55:430
111391260,0ptp4l0-21swapper/010:43:550
111391260,0ptp4l0-21swapper/010:36:540
111391260,0ptp4l0-21swapper/010:06:520
111391260,0ptp4l0-21swapper/010:01:500
111391260,0ptp4l0-21swapper/009:29:280
111391260,0ptp4l0-21swapper/009:23:550
111391260,0ptp4l0-21swapper/007:20:120
111391250,1ptp4l4523-21sensors08:45:190
111391250,0ptp4l0-21swapper/510:34:345
111391250,0ptp4l0-21swapper/510:11:375
111391250,0ptp4l0-21swapper/508:50:125
111391250,0ptp4l0-21swapper/410:28:454
111391250,0ptp4l0-21swapper/408:15:174
111391250,0ptp4l0-21swapper/110:37:581
111391250,0ptp4l0-21swapper/010:29:290
111391250,0ptp4l0-21swapper/010:22:270
111391250,0ptp4l0-21swapper/010:19:070
111391250,0ptp4l0-21swapper/009:47:380
111391250,0ptp4l0-21swapper/007:15:000
111391240,1ptp4l7668-21sh11:48:281
111391240,1ptp4l585-21cat12:20:194
111391240,1ptp4l28231-21df12:15:121
111391240,1ptp4l24615-21hddtemp_smartct08:20:150
111391240,1ptp4l24440-21cut08:20:134
111391240,1ptp4l19989-21df_inode08:10:110
111391240,1ptp4l11468-21switchtime09:00:194
111391240,0ptp4l121rcu_preempt07:15:174
111391240,0ptp4l0-21swapper/511:33:145
111391240,0ptp4l0-21swapper/511:13:575
111391240,0ptp4l0-21swapper/507:40:135
111391240,0ptp4l0-21swapper/412:17:574
111391240,0ptp4l0-21swapper/410:45:144
111391240,0ptp4l0-21swapper/410:11:534
111391240,0ptp4l0-21swapper/409:57:314
111391240,0ptp4l0-21swapper/409:20:144
111391240,0ptp4l0-21swapper/408:38:344
111391240,0ptp4l0-21swapper/408:38:334
111391240,0ptp4l0-21swapper/408:25:224
111391240,0ptp4l0-21swapper/408:00:174
111391240,0ptp4l0-21swapper/407:59:594
111391240,0ptp4l0-21swapper/407:45:204
111391240,0ptp4l0-21swapper/112:35:491
111391240,0ptp4l0-21swapper/112:24:191
111391240,0ptp4l0-21swapper/111:20:241
111391240,0ptp4l0-21swapper/110:54:321
111391240,0ptp4l0-21swapper/109:53:251
111391240,0ptp4l0-21swapper/108:40:011
111391240,0ptp4l0-21swapper/108:40:001
111391240,0ptp4l0-21swapper/011:20:120
111391240,0ptp4l0-21swapper/010:52:460
111391240,0ptp4l0-21swapper/010:30:490
111391240,0ptp4l0-21swapper/009:59:080
111391240,0ptp4l0-21swapper/009:10:150
111391240,0ptp4l0-21swapper/008:50:160
111391240,0ptp4l0-21swapper/007:55:210
111391230,1ptp4l3027-21ssh11:41:120
111391230,1ptp4l29994-21ssh12:16:380
111391230,1ptp4l17923-21cpuspeed_turbos09:55:135
111391230,1ptp4l15286-21ssh10:34:471
111391230,1ptp4l14518-21diskmemload10:35:215
111391230,1ptp4l1370-21ssh12:21:153
111391230,1ptp4l1061-21snmpd10:33:363
111391230,0ptp4l1658-21hostname07:30:141
111391230,0ptp4l0-21swapper/712:20:297
111391230,0ptp4l0-21swapper/707:35:137
111391230,0ptp4l0-21swapper/510:15:115
111391230,0ptp4l0-21swapper/510:05:475
111391230,0ptp4l0-21swapper/509:30:125
111391230,0ptp4l0-21swapper/509:23:075
111391230,0ptp4l0-21swapper/509:13:085
111391230,0ptp4l0-21swapper/508:30:225
111391230,0ptp4l0-21swapper/507:25:155
111391230,0ptp4l0-21swapper/412:10:154
111391230,0ptp4l0-21swapper/411:57:034
111391230,0ptp4l0-21swapper/411:25:504
111391230,0ptp4l0-21swapper/411:12:344
111391230,0ptp4l0-21swapper/409:37:314
111391230,0ptp4l0-21swapper/409:05:154
111391230,0ptp4l0-21swapper/407:50:094
111391230,0ptp4l0-21swapper/407:40:164
111391230,0ptp4l0-21swapper/407:36:414
111391230,0ptp4l0-21swapper/407:20:174
111391230,0ptp4l0-21swapper/312:00:513
111391230,0ptp4l0-21swapper/112:32:271
111391230,0ptp4l0-21swapper/111:55:111
111391230,0ptp4l0-21swapper/111:51:181
111391230,0ptp4l0-21swapper/110:46:441
111391230,0ptp4l0-21swapper/110:40:201
111391230,0ptp4l0-21swapper/110:20:411
111391230,0ptp4l0-21swapper/109:35:141
111391230,0ptp4l0-21swapper/109:30:141
111391230,0ptp4l0-21swapper/109:27:291
111391230,0ptp4l0-21swapper/109:11:531
111391230,0ptp4l0-21swapper/108:55:201
111391230,0ptp4l0-21swapper/108:50:131
111391230,0ptp4l0-21swapper/107:45:221
111391230,0ptp4l0-21swapper/107:40:121
111391230,0ptp4l0-21swapper/012:35:120
111391230,0ptp4l0-21swapper/011:45:130
111391230,0ptp4l0-21swapper/011:27:130
111391230,0ptp4l0-21swapper/009:31:460
111391230,0ptp4l0-21swapper/008:40:140
111391230,0ptp4l0-21swapper/008:35:180
111391230,0ptp4l0-21swapper/008:35:180
111391230,0ptp4l0-21swapper/008:30:140
111391230,0ptp4l0-21swapper/008:00:130
111391230,0ptp4l0-21swapper/007:15:110
2378499220,21cyclictest0-21swapper/512:20:505
111391220,0ptp4l14518-21diskmemload12:15:155
111391220,0ptp4l0-21swapper/712:01:047
111391220,0ptp4l0-21swapper/709:20:377
111391220,0ptp4l0-21swapper/512:31:065
111391220,0ptp4l0-21swapper/511:40:165
111391220,0ptp4l0-21swapper/511:15:115
111391220,0ptp4l0-21swapper/511:15:105
111391220,0ptp4l0-21swapper/511:02:495
111391220,0ptp4l0-21swapper/510:59:195
111391220,0ptp4l0-21swapper/510:51:045
111391220,0ptp4l0-21swapper/510:46:445
111391220,0ptp4l0-21swapper/510:26:425
111391220,0ptp4l0-21swapper/510:21:485
111391220,0ptp4l0-21swapper/508:55:195
111391220,0ptp4l0-21swapper/508:40:195
111391220,0ptp4l0-21swapper/508:35:125
111391220,0ptp4l0-21swapper/508:35:125
111391220,0ptp4l0-21swapper/507:51:535
111391220,0ptp4l0-21swapper/507:12:355
111391220,0ptp4l0-21swapper/411:41:344
111391220,0ptp4l0-21swapper/408:50:184
111391220,0ptp4l0-21swapper/408:45:164
111391220,0ptp4l0-21swapper/408:40:144
111391220,0ptp4l0-21swapper/408:30:164
111391220,0ptp4l0-21swapper/408:10:214
111391220,0ptp4l0-21swapper/408:05:004
111391220,0ptp4l0-21swapper/407:31:144
111391220,0ptp4l0-21swapper/407:29:224
111391220,0ptp4l0-21swapper/407:10:184
111391220,0ptp4l0-21swapper/309:59:063
111391220,0ptp4l0-21swapper/309:20:563
111391220,0ptp4l0-21swapper/307:35:203
111391220,0ptp4l0-21swapper/210:15:162
111391220,0ptp4l0-21swapper/112:25:151
111391220,0ptp4l0-21swapper/112:12:071
111391220,0ptp4l0-21swapper/112:06:341
111391220,0ptp4l0-21swapper/112:01:271
111391220,0ptp4l0-21swapper/111:37:341
111391220,0ptp4l0-21swapper/111:15:001
111391220,0ptp4l0-21swapper/111:15:001
111391220,0ptp4l0-21swapper/111:03:551
111391220,0ptp4l0-21swapper/110:59:101
111391220,0ptp4l0-21swapper/110:26:091
111391220,0ptp4l0-21swapper/110:11:401
111391220,0ptp4l0-21swapper/110:06:281
111391220,0ptp4l0-21swapper/110:00:041
111391220,0ptp4l0-21swapper/109:55:151
111391220,0ptp4l0-21swapper/109:40:121
111391220,0ptp4l0-21swapper/109:23:221
111391220,0ptp4l0-21swapper/109:17:271
111391220,0ptp4l0-21swapper/108:40:161
111391220,0ptp4l0-21swapper/108:10:171
111391220,0ptp4l0-21swapper/107:10:421
111391220,0ptp4l0-21swapper/012:20:110
111391220,0ptp4l0-21swapper/009:37:020
111391220,0ptp4l0-21swapper/009:00:200
111391220,0ptp4l0-21swapper/008:25:010
111391220,0ptp4l0-21swapper/008:15:120
111391220,0ptp4l0-21swapper/007:50:180
111391220,0ptp4l0-21swapper/007:45:140
111391220,0ptp4l0-21swapper/007:35:210
111391210,0ptp4l0-21swapper/711:38:097
111391210,0ptp4l0-21swapper/709:59:027
111391210,0ptp4l0-21swapper/612:19:146
111391210,0ptp4l0-21swapper/611:56:376
111391210,0ptp4l0-21swapper/511:50:555
111391210,0ptp4l0-21swapper/511:20:245
111391210,0ptp4l0-21swapper/508:23:075
111391210,0ptp4l0-21swapper/508:11:225
111391210,0ptp4l0-21swapper/507:21:495
111391210,0ptp4l0-21swapper/311:38:163
111391210,0ptp4l0-21swapper/111:07:101
111391210,0ptp4l0-21swapper/108:20:001
111391210,0ptp4l0-21swapper/108:19:561
111391210,0ptp4l0-21swapper/107:24:591
111391210,0ptp4l0-21swapper/009:05:110
111391210,0ptp4l0-21swapper/008:05:160
111391200,0ptp4l0-21swapper/509:45:015
111391200,0ptp4l0-21swapper/509:06:185
111391200,0ptp4l0-21swapper/507:45:245
111391200,0ptp4l0-21swapper/212:19:112
111391200,0ptp4l0-21swapper/211:56:392
111391200,0ptp4l0-21swapper/110:19:151
111391200,0ptp4l0-21swapper/108:29:141
111391200,0ptp4l0-21swapper/108:01:181
111391200,0ptp4l0-21swapper/107:25:191
111391200,0ptp4l0-21swapper/007:42:310
111391190,0ptp4l0-21swapper/610:23:036
111391190,0ptp4l0-21swapper/509:02:525
111391190,0ptp4l0-21swapper/508:19:505
111391190,0ptp4l0-21swapper/211:48:192
111391190,0ptp4l0-21swapper/108:30:221
111391190,0ptp4l0-21swapper/008:57:540
111391190,0ptp4l0-21swapper/007:34:200
111391190,0ptp4l0-21swapper/007:29:070
111391180,0ptp4l0-21swapper/508:27:435
111391180,0ptp4l0-21swapper/107:39:561
111391170,0ptp4l0-21swapper/209:10:512
111391160,0ptp4l0-21swapper/508:05:505
111391160,0ptp4l0-21swapper/307:58:503
111391160,0ptp4l0-21swapper/212:08:072
111391160,0ptp4l0-21swapper/109:46:451
111391160,0ptp4l0-21swapper/109:09:311
111391160,0ptp4l0-21swapper/109:01:591
111391160,0ptp4l0-21swapper/108:46:221
111391160,0ptp4l0-21swapper/107:53:151
111391150,0ptp4l0-21swapper/708:23:437
111391150,0ptp4l0-21swapper/707:58:337
111391150,0ptp4l0-21swapper/608:45:266
111391150,0ptp4l0-21swapper/608:33:056
111391150,0ptp4l0-21swapper/608:23:576
111391150,0ptp4l0-21swapper/608:14:496
111391150,0ptp4l0-21swapper/608:03:276
111391150,0ptp4l0-21swapper/508:46:395
111391150,0ptp4l0-21swapper/508:00:085
111391150,0ptp4l0-21swapper/507:57:025
111391150,0ptp4l0-21swapper/507:38:105
111391150,0ptp4l0-21swapper/507:16:255
111391150,0ptp4l0-21swapper/408:55:514
111391150,0ptp4l0-21swapper/208:33:012
111391150,0ptp4l0-21swapper/208:03:252
111391150,0ptp4l0-21swapper/108:05:451
111391150,0ptp4l0-21swapper/107:56:591
111391150,0ptp4l0-21swapper/107:16:071
111391140,0ptp4l0-21swapper/608:40:076
111391140,0ptp4l0-21swapper/308:23:453
111391140,0ptp4l0-21swapper/208:45:272
111391140,0ptp4l0-21swapper/208:40:112
111391140,0ptp4l0-21swapper/208:23:532
111391140,0ptp4l0-21swapper/208:14:492
111391140,0ptp4l0-21swapper/207:52:392
23792991311,1cyclictest65-21ksoftirqd/609:11:156
2379299119,1cyclictest0-21swapper/611:07:046
2377099119,1cyclictest29458-21ssh09:28:163
2377099119,1cyclictest0-21swapper/308:40:213
2379999109,0cyclictest0-21swapper/711:42:237
2379999100,9cyclictest0-21swapper/711:21:117
2379999100,9cyclictest0-21swapper/710:37:387
2379999100,9cyclictest0-21swapper/709:16:047
2379999100,1cyclictest0-21swapper/710:25:167
2379299109,0cyclictest0-21swapper/611:26:346
2379299109,0cyclictest0-21swapper/610:32:026
2379299109,0cyclictest0-21swapper/609:25:336
2379299100,0cyclictest0-21swapper/612:08:136
2379299100,0cyclictest0-21swapper/611:44:196
2379299100,0cyclictest0-21swapper/610:49:106
2379299100,0cyclictest0-21swapper/609:55:246
2378499100,5cyclictest0-21swapper/509:17:015
2377099109,0cyclictest0-21swapper/311:25:593
2377099109,0cyclictest0-21swapper/310:41:303
2377099100,9cyclictest0-21swapper/312:33:523
2377099100,9cyclictest0-21swapper/311:58:493
2377099100,9cyclictest0-21swapper/311:02:143
2377099100,9cyclictest0-21swapper/310:24:223
2376399109,0cyclictest0-21swapper/211:09:232
2376399100,9cyclictest0-21swapper/211:53:522
2376399100,9cyclictest0-21swapper/209:56:372
237999998,0cyclictest0-21swapper/710:18:377
237999997,1cyclictest14518-21diskmemload09:54:257
237999990,8cyclictest0-21swapper/710:58:237
237929998,0cyclictest0-21swapper/612:30:126
237929998,0cyclictest0-21swapper/610:13:576
237929998,0cyclictest0-21swapper/608:25:216
237929990,0cyclictest0-21swapper/612:20:086
237709998,0cyclictest0-21swapper/310:00:393
237709990,0cyclictest0-21swapper/312:11:143
237639998,0cyclictest0-21swapper/212:20:172
237639998,0cyclictest0-21swapper/211:35:192
237639998,0cyclictest0-21swapper/210:44:332
237639992,3cyclictest33-21ksoftirqd/211:30:002
237639990,0cyclictest0-21swapper/212:32:042
237999986,1cyclictest0-21swapper/711:30:167
237999985,2cyclictest23735-21turbostat12:10:007
237999982,3cyclictest0-21swapper/712:35:217
237999980,7cyclictest30833-21sshd07:22:187
237929987,0cyclictest0-21swapper/608:35:156
237929987,0cyclictest0-21swapper/608:35:156
237929986,1cyclictest0-21swapper/609:54:566
237709987,0cyclictest0-21swapper/311:45:373
237639987,0cyclictest0-21swapper/210:23:502
237639980,7cyclictest32149-21sshd08:35:192
237639980,7cyclictest32149-21sshd08:35:182
237999975,1cyclictest9916-21crond09:00:007
237999975,1cyclictest29840-21sh12:16:107
237999975,1cyclictest26752-21/usr/sbin/munin09:25:197
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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