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2026-06-16 - 21:04

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 Jun 16, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391640,5ptp4l0-21swapper/107:08:211
104692630,2sleep01060599cyclictest11:34:430
111391610,30ptp4l0-21swapper/007:08:440
1025426050,6sleep70-21swapper/707:08:427
111391570,5ptp4l0-21swapper/407:08:064
269682550,0sleep71068-21runrttasks10:27:057
1014625241,7sleep20-21swapper/207:07:262
1000325231,6sleep60-21swapper/607:05:286
111391510,5ptp4l0-21swapper/507:08:415
1002724837,7sleep30-21swapper/307:05:493
111391320,0ptp4l8371-21interrupts12:15:154
111391310,0ptp4l0-21swapper/411:17:034
111391300,0ptp4l0-21swapper/710:46:537
111391300,0ptp4l0-21swapper/511:04:425
111391300,0ptp4l0-21swapper/112:20:141
111391300,0ptp4l0-21swapper/111:51:591
111391290,2ptp4l0-21swapper/109:25:121
111391290,0ptp4l0-21swapper/710:04:547
111391290,0ptp4l0-21swapper/510:30:385
111391290,0ptp4l0-21swapper/312:36:053
111391290,0ptp4l0-21swapper/109:46:471
111391290,0ptp4l0-21swapper/010:25:170
111391290,0ptp4l0-21swapper/010:16:190
111391280,5ptp4l0-21swapper/712:32:487
111391280,1ptp4l17774-21ssh11:44:397
111391280,0ptp4l0-21swapper/609:19:406
111391280,0ptp4l0-21swapper/512:06:435
111391280,0ptp4l0-21swapper/511:34:465
111391280,0ptp4l0-21swapper/507:35:155
111391280,0ptp4l0-21swapper/412:26:584
111391280,0ptp4l0-21swapper/410:34:204
111391280,0ptp4l0-21swapper/409:21:284
111391280,0ptp4l0-21swapper/112:03:061
111391280,0ptp4l0-21swapper/111:47:161
111391280,0ptp4l0-21swapper/110:27:461
111391280,0ptp4l0-21swapper/109:51:391
111391280,0ptp4l0-21swapper/109:35:321
111391280,0ptp4l0-21swapper/011:53:020
111391280,0ptp4l0-21swapper/010:22:460
111391280,0ptp4l0-21swapper/009:22:000
111391270,2ptp4l0-21swapper/409:42:584
111391270,0ptp4l0-21swapper/510:03:255
111391270,0ptp4l0-21swapper/509:46:015
111391270,0ptp4l0-21swapper/411:45:194
111391270,0ptp4l0-21swapper/411:12:214
111391270,0ptp4l0-21swapper/411:04:234
111391270,0ptp4l0-21swapper/410:55:484
111391270,0ptp4l0-21swapper/410:55:484
111391270,0ptp4l0-21swapper/409:45:074
111391270,0ptp4l0-21swapper/407:40:124
111391270,0ptp4l0-21swapper/110:58:241
111391270,0ptp4l0-21swapper/110:58:241
111391270,0ptp4l0-21swapper/109:58:441
111391270,0ptp4l0-21swapper/012:33:560
111391270,0ptp4l0-21swapper/009:10:340
111391260,1ptp4l23674-21kworker/4:010:18:234
111391260,0ptp4l0-21swapper/611:00:206
111391260,0ptp4l0-21swapper/510:15:275
111391260,0ptp4l0-21swapper/509:35:315
111391260,0ptp4l0-21swapper/411:56:384
111391260,0ptp4l0-21swapper/411:08:014
111391260,0ptp4l0-21swapper/409:53:584
111391260,0ptp4l0-21swapper/409:17:224
111391260,0ptp4l0-21swapper/311:46:023
111391260,0ptp4l0-21swapper/311:14:513
111391260,0ptp4l0-21swapper/311:02:563
111391260,0ptp4l0-21swapper/310:05:433
111391260,0ptp4l0-21swapper/110:15:431
111391260,0ptp4l0-21swapper/110:10:031
111391260,0ptp4l0-21swapper/011:02:070
111391260,0ptp4l0-21swapper/009:54:150
111391260,0ptp4l0-21swapper/009:38:140
111391260,0ptp4l0-21swapper/008:45:110
111391250,3ptp4l0-21swapper/712:35:337
111391250,2ptp4l0-21swapper/109:22:541
111391250,1ptp4l30028-21df_inode07:50:130
111391250,1ptp4l25137-21cpuspeed_turbos08:50:145
111391250,1ptp4l1356-21diskmemload11:09:201
111391250,0ptp4l0-21swapper/609:28:386
111391250,0ptp4l0-21swapper/509:19:205
111391250,0ptp4l0-21swapper/412:30:014
111391250,0ptp4l0-21swapper/412:23:534
111391250,0ptp4l0-21swapper/412:12:184
111391250,0ptp4l0-21swapper/412:04:344
111391250,0ptp4l0-21swapper/411:32:274
111391250,0ptp4l0-21swapper/410:40:394
111391250,0ptp4l0-21swapper/410:07:264
111391250,0ptp4l0-21swapper/409:59:284
111391250,0ptp4l0-21swapper/409:30:314
111391250,0ptp4l0-21swapper/408:05:164
111391250,0ptp4l0-21swapper/408:00:124
111391250,0ptp4l0-21swapper/112:12:531
111391250,0ptp4l0-21swapper/111:23:451
111391250,0ptp4l0-21swapper/111:10:361
111391250,0ptp4l0-21swapper/110:23:091
111391250,0ptp4l0-21swapper/109:18:261
111391250,0ptp4l0-21swapper/012:36:360
111391250,0ptp4l0-21swapper/012:29:590
111391250,0ptp4l0-21swapper/012:18:080
111391250,0ptp4l0-21swapper/009:33:170
111391250,0ptp4l0-21swapper/009:15:190
111391240,2ptp4l1064499cyclictest10:55:225
111391240,2ptp4l1064499cyclictest10:55:225
111391240,1ptp4l803-21switchtime10:35:184
111391240,1ptp4l3726-21fw_forwarded_lo10:40:132
111391240,1ptp4l28329-21smartctl08:55:184
111391240,1ptp4l22186-21hddtemp_smartct11:50:133
111391240,1ptp4l13673-21sed10:10:015
111391240,1ptp4l1356-21diskmemload10:47:334
111391240,1ptp4l11272-21irqstats10:50:170
111391240,0ptp4l0-21swapper/512:22:075
111391240,0ptp4l0-21swapper/511:56:065
111391240,0ptp4l0-21swapper/511:10:105
111391240,0ptp4l0-21swapper/509:40:225
111391240,0ptp4l0-21swapper/412:38:464
111391240,0ptp4l0-21swapper/412:05:524
111391240,0ptp4l0-21swapper/409:10:394
111391240,0ptp4l0-21swapper/312:16:583
111391240,0ptp4l0-21swapper/311:45:013
111391240,0ptp4l0-21swapper/211:00:142
111391240,0ptp4l0-21swapper/209:41:572
111391240,0ptp4l0-21swapper/112:34:151
111391240,0ptp4l0-21swapper/112:27:301
111391240,0ptp4l0-21swapper/112:19:371
111391240,0ptp4l0-21swapper/110:53:341
111391240,0ptp4l0-21swapper/109:40:191
111391240,0ptp4l0-21swapper/109:33:391
111391240,0ptp4l0-21swapper/108:25:151
111391240,0ptp4l0-21swapper/011:59:320
111391240,0ptp4l0-21swapper/011:45:100
111391240,0ptp4l0-21swapper/011:07:500
111391240,0ptp4l0-21swapper/010:57:310
111391240,0ptp4l0-21swapper/010:57:310
111391240,0ptp4l0-21swapper/009:55:190
111391240,0ptp4l0-21swapper/009:00:190
111391240,0ptp4l0-21swapper/008:20:140
111391240,0ptp4l0-21swapper/008:20:140
111391240,0ptp4l0-21swapper/007:45:000
111391230,1ptp4l29930-21processes11:15:183
111391230,1ptp4l22642-21/usr/sbin/munin08:45:154
111391230,0ptp4l9-21ksoftirqd/009:43:430
111391230,0ptp4l24500-21latency_hist10:25:005
111391230,0ptp4l0-21swapper/711:50:197
111391230,0ptp4l0-21swapper/711:15:047
111391230,0ptp4l0-21swapper/610:40:136
111391230,0ptp4l0-21swapper/512:34:475
111391230,0ptp4l0-21swapper/512:27:495
111391230,0ptp4l0-21swapper/511:35:145
111391230,0ptp4l0-21swapper/511:24:515
111391230,0ptp4l0-21swapper/511:19:305
111391230,0ptp4l0-21swapper/511:05:155
111391230,0ptp4l0-21swapper/510:52:585
111391230,0ptp4l0-21swapper/510:14:355
111391230,0ptp4l0-21swapper/509:30:135
111391230,0ptp4l0-21swapper/509:25:125
111391230,0ptp4l0-21swapper/509:24:425
111391230,0ptp4l0-21swapper/509:05:015
111391230,0ptp4l0-21swapper/508:40:185
111391230,0ptp4l0-21swapper/507:25:185
111391230,0ptp4l0-21swapper/411:39:034
111391230,0ptp4l0-21swapper/411:25:344
111391230,0ptp4l0-21swapper/411:21:014
111391230,0ptp4l0-21swapper/410:50:194
111391230,0ptp4l0-21swapper/410:20:134
111391230,0ptp4l0-21swapper/410:12:074
111391230,0ptp4l0-21swapper/409:00:204
111391230,0ptp4l0-21swapper/408:15:184
111391230,0ptp4l0-21swapper/408:15:184
111391230,0ptp4l0-21swapper/407:50:134
111391230,0ptp4l0-21swapper/407:45:144
111391230,0ptp4l0-21swapper/407:21:544
111391230,0ptp4l0-21swapper/310:00:123
111391230,0ptp4l0-21swapper/308:35:123
111391230,0ptp4l0-21swapper/307:30:133
111391230,0ptp4l0-21swapper/212:00:322
111391230,0ptp4l0-21swapper/111:39:591
111391230,0ptp4l0-21swapper/111:30:091
111391230,0ptp4l0-21swapper/111:00:131
111391230,0ptp4l0-21swapper/110:35:101
111391230,0ptp4l0-21swapper/110:30:101
111391230,0ptp4l0-21swapper/108:40:121
111391230,0ptp4l0-21swapper/107:15:131
111391230,0ptp4l0-21swapper/012:05:380
111391230,0ptp4l0-21swapper/012:00:100
111391230,0ptp4l0-21swapper/011:40:220
111391230,0ptp4l0-21swapper/011:25:420
111391230,0ptp4l0-21swapper/011:12:460
111391230,0ptp4l0-21swapper/010:40:170
111391230,0ptp4l0-21swapper/010:35:140
111391230,0ptp4l0-21swapper/010:10:130
111391230,0ptp4l0-21swapper/010:09:170
111391230,0ptp4l0-21swapper/010:02:300
111391230,0ptp4l0-21swapper/009:27:340
111391230,0ptp4l0-21swapper/009:05:160
111391230,0ptp4l0-21swapper/008:55:150
111391230,0ptp4l0-21swapper/008:30:170
111391230,0ptp4l0-21swapper/008:25:190
111391230,0ptp4l0-21swapper/008:15:130
111391230,0ptp4l0-21swapper/008:15:120
111391230,0ptp4l0-21swapper/008:10:200
111391230,0ptp4l0-21swapper/007:20:210
111391230,0ptp4l0-21swapper/007:10:180
111391220,1ptp4l13337-21ssh11:37:290
111391220,0ptp4l0-21swapper/712:03:517
111391220,0ptp4l0-21swapper/711:45:297
111391220,0ptp4l0-21swapper/711:14:247
111391220,0ptp4l0-21swapper/710:05:197
111391220,0ptp4l0-21swapper/709:39:187
111391220,0ptp4l0-21swapper/709:29:057
111391220,0ptp4l0-21swapper/612:13:196
111391220,0ptp4l0-21swapper/612:00:336
111391220,0ptp4l0-21swapper/611:33:306
111391220,0ptp4l0-21swapper/610:25:226
111391220,0ptp4l0-21swapper/609:14:286
111391220,0ptp4l0-21swapper/512:15:475
111391220,0ptp4l0-21swapper/512:01:195
111391220,0ptp4l0-21swapper/511:51:075
111391220,0ptp4l0-21swapper/511:49:055
111391220,0ptp4l0-21swapper/511:42:245
111391220,0ptp4l0-21swapper/511:25:005
111391220,0ptp4l0-21swapper/510:25:125
111391220,0ptp4l0-21swapper/509:58:435
111391220,0ptp4l0-21swapper/509:50:115
111391220,0ptp4l0-21swapper/509:05:135
111391220,0ptp4l0-21swapper/508:58:565
111391220,0ptp4l0-21swapper/508:25:135
111391220,0ptp4l0-21swapper/507:15:115
111391220,0ptp4l0-21swapper/507:10:145
111391220,0ptp4l0-21swapper/411:52:374
111391220,0ptp4l0-21swapper/411:40:154
111391220,0ptp4l0-21swapper/410:25:144
111391220,0ptp4l0-21swapper/410:01:004
111391220,0ptp4l0-21swapper/409:37:034
111391220,0ptp4l0-21swapper/409:27:064
111391220,0ptp4l0-21swapper/409:05:204
111391220,0ptp4l0-21swapper/408:30:124
111391220,0ptp4l0-21swapper/408:25:204
111391220,0ptp4l0-21swapper/408:20:114
111391220,0ptp4l0-21swapper/408:20:104
111391220,0ptp4l0-21swapper/408:10:154
111391220,0ptp4l0-21swapper/407:59:074
111391220,0ptp4l0-21swapper/407:33:364
111391220,0ptp4l0-21swapper/407:25:124
111391220,0ptp4l0-21swapper/407:10:204
111391220,0ptp4l0-21swapper/309:59:513
111391220,0ptp4l0-21swapper/309:38:223
111391220,0ptp4l0-21swapper/309:29:123
111391220,0ptp4l0-21swapper/212:15:512
111391220,0ptp4l0-21swapper/211:50:302
111391220,0ptp4l0-21swapper/210:19:532
111391220,0ptp4l0-21swapper/111:56:561
111391220,0ptp4l0-21swapper/111:41:361
111391220,0ptp4l0-21swapper/111:28:471
111391220,0ptp4l0-21swapper/111:19:141
111391220,0ptp4l0-21swapper/110:06:111
111391220,0ptp4l0-21swapper/109:12:161
111391220,0ptp4l0-21swapper/108:55:101
111391220,0ptp4l0-21swapper/108:50:211
111391220,0ptp4l0-21swapper/108:48:221
111391220,0ptp4l0-21swapper/107:55:121
111391220,0ptp4l0-21swapper/107:35:131
111391220,0ptp4l0-21swapper/107:25:141
111391220,0ptp4l0-21swapper/107:10:131
111391220,0ptp4l0-21swapper/012:21:320
111391220,0ptp4l0-21swapper/012:10:140
111391220,0ptp4l0-21swapper/011:20:140
111391220,0ptp4l0-21swapper/011:15:410
111391220,0ptp4l0-21swapper/010:45:040
111391220,0ptp4l0-21swapper/010:31:340
111391220,0ptp4l0-21swapper/009:45:180
111391220,0ptp4l0-21swapper/008:05:160
111391220,0ptp4l0-21swapper/007:55:160
111391220,0ptp4l0-21swapper/007:25:130
111391220,0ptp4l0-21swapper/007:18:100
111391210,0ptp4l10086-21ssh12:17:087
111391210,0ptp4l0-21swapper/711:01:217
111391210,0ptp4l0-21swapper/708:35:197
111391210,0ptp4l0-21swapper/707:30:167
111391210,0ptp4l0-21swapper/612:34:006
111391210,0ptp4l0-21swapper/612:15:526
111391210,0ptp4l0-21swapper/512:14:025
111391210,0ptp4l0-21swapper/510:47:085
111391210,0ptp4l0-21swapper/510:44:045
111391210,0ptp4l0-21swapper/510:35:085
111391210,0ptp4l0-21swapper/509:11:485
111391210,0ptp4l0-21swapper/508:12:215
111391210,0ptp4l0-21swapper/508:01:015
111391210,0ptp4l0-21swapper/507:50:005
111391210,0ptp4l0-21swapper/312:32:483
111391210,0ptp4l0-21swapper/310:46:353
111391210,0ptp4l0-21swapper/309:06:293
111391210,0ptp4l0-21swapper/212:32:342
111391210,0ptp4l0-21swapper/212:12:562
111391210,0ptp4l0-21swapper/210:46:582
111391210,0ptp4l0-21swapper/210:37:202
111391210,0ptp4l0-21swapper/209:28:372
111391210,0ptp4l0-21swapper/112:06:421
111391210,0ptp4l0-21swapper/110:41:211
111391210,0ptp4l0-21swapper/110:01:241
111391210,0ptp4l0-21swapper/109:01:271
111391210,0ptp4l0-21swapper/107:45:491
111391210,0ptp4l0-21swapper/008:00:140
111391210,0ptp4l0-21swapper/007:45:130
111391210,0ptp4l0-21swapper/007:33:210
111391200,3ptp4l0-21swapper/212:08:132
111391200,0ptp4l0-21swapper/711:27:077
111391200,0ptp4l0-21swapper/611:50:366
111391200,0ptp4l0-21swapper/611:41:126
111391200,0ptp4l0-21swapper/611:35:216
111391200,0ptp4l0-21swapper/610:50:396
111391200,0ptp4l0-21swapper/610:39:476
111391200,0ptp4l0-21swapper/610:08:226
111391200,0ptp4l0-21swapper/609:56:256
111391200,0ptp4l0-21swapper/508:48:425
111391200,0ptp4l0-21swapper/507:43:215
111391200,0ptp4l0-21swapper/408:51:474
111391200,0ptp4l0-21swapper/407:36:214
111391200,0ptp4l0-21swapper/312:03:533
111391200,0ptp4l0-21swapper/311:26:543
111391200,0ptp4l0-21swapper/308:16:513
111391200,0ptp4l0-21swapper/308:16:503
111391200,0ptp4l0-21swapper/211:40:032
111391200,0ptp4l0-21swapper/211:11:102
111391200,0ptp4l0-21swapper/210:50:382
111391200,0ptp4l0-21swapper/209:57:042
111391200,0ptp4l0-21swapper/209:19:392
111391200,0ptp4l0-21swapper/209:14:252
111391200,0ptp4l0-21swapper/208:26:202
111391200,0ptp4l0-21swapper/207:58:442
111391200,0ptp4l0-21swapper/109:05:021
111391200,0ptp4l0-21swapper/108:37:521
111391200,0ptp4l0-21swapper/108:24:091
111391200,0ptp4l0-21swapper/108:24:081
111391200,0ptp4l0-21swapper/108:11:221
111391200,0ptp4l0-21swapper/107:53:271
111391200,0ptp4l0-21swapper/008:51:280
111391200,0ptp4l0-21swapper/008:35:450
111391200,0ptp4l0-21swapper/007:39:550
111391190,0ptp4l0-21swapper/709:59:477
111391190,0ptp4l0-21swapper/709:08:187
111391190,0ptp4l0-21swapper/612:08:126
111391190,0ptp4l0-21swapper/610:45:086
111391190,0ptp4l0-21swapper/610:19:526
111391190,0ptp4l0-21swapper/608:56:276
111391190,0ptp4l0-21swapper/512:35:015
111391190,0ptp4l0-21swapper/508:38:495
111391190,0ptp4l0-21swapper/508:24:275
111391190,0ptp4l0-21swapper/508:24:275
111391190,0ptp4l0-21swapper/508:18:315
111391190,0ptp4l0-21swapper/508:18:305
111391190,0ptp4l0-21swapper/507:22:045
111391190,0ptp4l0-21swapper/408:44:504
111391190,0ptp4l0-21swapper/407:17:264
111391190,0ptp4l0-21swapper/211:35:222
111391190,0ptp4l0-21swapper/210:57:362
111391190,0ptp4l0-21swapper/210:57:362
111391190,0ptp4l0-21swapper/210:08:282
111391190,0ptp4l0-21swapper/112:38:151
111391190,0ptp4l0-21swapper/107:23:301
111391180,0ptp4l0-21swapper/708:14:317
111391180,0ptp4l0-21swapper/610:57:366
111391180,0ptp4l0-21swapper/610:57:366
111391180,0ptp4l0-21swapper/609:54:386
111391180,0ptp4l0-21swapper/609:41:596
111391180,0ptp4l0-21swapper/408:37:184
111391180,0ptp4l0-21swapper/211:09:202
111391180,0ptp4l0-21swapper/210:20:082
111391180,0ptp4l0-21swapper/209:46:072
111391170,0ptp4l0-21swapper/611:47:206
111391170,0ptp4l0-21swapper/611:11:056
111391170,0ptp4l0-21swapper/609:46:086
111391170,0ptp4l0-21swapper/210:25:222
111391170,0ptp4l0-21swapper/208:05:412
111391170,0ptp4l0-21swapper/108:02:271
322492160,0sleep30-21swapper/310:35:103
111391160,0ptp4l0-21swapper/508:07:275
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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