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2026-06-03 - 20:23

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 Jun 03, 2026 12:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,26ptp4l0-21swapper/207:05:132
1746726239,6sleep40-21swapper/407:08:574
111391600,28ptp4l0-21swapper/007:05:570
1754125948,7sleep10-21swapper/107:09:501
157012590,1sleep557-21ksoftirqd/512:14:165
111391570,5ptp4l0-21swapper/607:05:226
1743225039,6sleep70-21swapper/707:08:287
1730224736,7sleep30-21swapper/307:06:483
1712724634,7sleep50-21swapper/507:05:215
111391350,0ptp4l0-21swapper/411:00:124
111391320,0ptp4l0-21swapper/010:00:580
111391310,0ptp4l0-21swapper/411:20:004
111391300,7ptp4l0-21swapper/410:59:064
111391300,2ptp4l0-21swapper/009:21:360
111391300,0ptp4l0-21swapper/511:13:085
111391300,0ptp4l0-21swapper/110:13:341
111391300,0ptp4l0-21swapper/011:15:110
111391300,0ptp4l0-21swapper/010:49:080
111391300,0ptp4l0-21swapper/009:25:150
111391300,0ptp4l0-21swapper/009:25:140
111391290,4ptp4l0-21swapper/107:30:121
111391290,0ptp4l8587-21diskmemload10:50:104
111391290,0ptp4l0-21swapper/510:35:135
111391290,0ptp4l0-21swapper/411:46:574
111391290,0ptp4l0-21swapper/410:29:094
111391290,0ptp4l0-21swapper/409:50:104
111391290,0ptp4l0-21swapper/409:35:004
111391290,0ptp4l0-21swapper/409:25:574
111391290,0ptp4l0-21swapper/409:25:574
111391290,0ptp4l0-21swapper/409:20:564
111391290,0ptp4l0-21swapper/407:50:224
111391290,0ptp4l0-21swapper/011:01:430
111391290,0ptp4l0-21swapper/009:17:060
111391280,0ptp4l0-21swapper/412:35:274
111391280,0ptp4l0-21swapper/412:25:534
111391280,0ptp4l0-21swapper/412:12:484
111391280,0ptp4l0-21swapper/412:05:544
111391280,0ptp4l0-21swapper/412:05:534
111391280,0ptp4l0-21swapper/410:46:054
111391280,0ptp4l0-21swapper/409:55:344
111391280,0ptp4l0-21swapper/112:20:491
111391280,0ptp4l0-21swapper/012:17:520
111391280,0ptp4l0-21swapper/010:18:210
111391280,0ptp4l0-21swapper/009:44:570
111391280,0ptp4l0-21swapper/009:37:440
111391280,0ptp4l0-21swapper/009:32:330
111391280,0ptp4l0-21swapper/008:50:140
111391280,0ptp4l0-21swapper/007:15:190
111391270,0ptp4l0-21swapper/509:59:395
111391270,0ptp4l0-21swapper/509:42:045
111391270,0ptp4l0-21swapper/412:21:124
111391270,0ptp4l0-21swapper/410:42:274
111391270,0ptp4l0-21swapper/410:31:364
111391270,0ptp4l0-21swapper/410:08:284
111391270,0ptp4l0-21swapper/409:48:184
111391270,0ptp4l0-21swapper/409:16:054
111391270,0ptp4l0-21swapper/408:35:234
111391270,0ptp4l0-21swapper/111:53:121
111391270,0ptp4l0-21swapper/109:42:051
111391270,0ptp4l0-21swapper/109:38:361
111391270,0ptp4l0-21swapper/012:31:440
111391270,0ptp4l0-21swapper/010:12:410
111391260,0ptp4l0-21swapper/510:42:565
111391260,0ptp4l0-21swapper/411:59:244
111391260,0ptp4l0-21swapper/411:32:344
111391260,0ptp4l0-21swapper/411:07:274
111391260,0ptp4l0-21swapper/410:11:474
111391260,0ptp4l0-21swapper/409:14:154
111391260,0ptp4l0-21swapper/109:56:501
111391260,0ptp4l0-21swapper/012:20:110
111391260,0ptp4l0-21swapper/012:05:110
111391260,0ptp4l0-21swapper/012:05:110
111391260,0ptp4l0-21swapper/011:45:120
111391260,0ptp4l0-21swapper/011:22:490
111391260,0ptp4l0-21swapper/010:53:060
111391260,0ptp4l0-21swapper/010:42:080
111391260,0ptp4l0-21swapper/010:08:580
111391250,6ptp4l0-21swapper/509:31:285
111391250,1ptp4l9295-21grep12:05:111
111391250,1ptp4l9295-21grep12:05:101
111391250,1ptp4l5892-21users09:00:200
111391250,0ptp4l0-21swapper/508:55:005
111391250,0ptp4l0-21swapper/508:25:135
111391250,0ptp4l0-21swapper/507:22:295
111391250,0ptp4l0-21swapper/412:01:424
111391250,0ptp4l0-21swapper/412:01:414
111391250,0ptp4l0-21swapper/411:45:004
111391250,0ptp4l0-21swapper/411:23:404
111391250,0ptp4l0-21swapper/410:04:184
111391250,0ptp4l0-21swapper/408:55:194
111391250,0ptp4l0-21swapper/408:10:164
111391250,0ptp4l0-21swapper/407:45:134
111391250,0ptp4l0-21swapper/407:20:124
111391250,0ptp4l0-21swapper/112:13:471
111391250,0ptp4l0-21swapper/111:10:121
111391250,0ptp4l0-21swapper/110:35:161
111391250,0ptp4l0-21swapper/110:06:511
111391250,0ptp4l0-21swapper/108:15:001
111391250,0ptp4l0-21swapper/107:45:111
111391250,0ptp4l0-21swapper/012:36:360
111391250,0ptp4l0-21swapper/011:55:000
111391250,0ptp4l0-21swapper/011:30:110
111391250,0ptp4l0-21swapper/010:20:210
111391250,0ptp4l0-21swapper/008:30:200
111391250,0ptp4l0-21swapper/008:20:200
111391240,1ptp4l5387-21users10:30:200
111391240,1ptp4l29177-21ssh10:20:134
111391240,1ptp4l26626-21switchtime07:25:200
111391240,1ptp4l24490-21users08:30:214
111391240,1ptp4l20603-21processes07:15:015
111391240,1ptp4l20199-21latency_hist07:15:011
111391240,1ptp4l10438-21timerandwakeup08:00:195
111391240,0ptp4l0-21swapper/512:05:155
111391240,0ptp4l0-21swapper/512:05:155
111391240,0ptp4l0-21swapper/511:29:435
111391240,0ptp4l0-21swapper/511:05:045
111391240,0ptp4l0-21swapper/510:16:545
111391240,0ptp4l0-21swapper/508:45:135
111391240,0ptp4l0-21swapper/412:15:164
111391240,0ptp4l0-21swapper/411:35:054
111391240,0ptp4l0-21swapper/411:14:214
111391240,0ptp4l0-21swapper/410:19:504
111391240,0ptp4l0-21swapper/309:05:153
111391240,0ptp4l0-21swapper/111:17:361
111391240,0ptp4l0-21swapper/110:30:141
111391240,0ptp4l0-21swapper/109:45:181
111391240,0ptp4l0-21swapper/109:30:101
111391240,0ptp4l0-21swapper/109:30:001
111391240,0ptp4l0-21swapper/109:30:001
111391240,0ptp4l0-21swapper/108:00:121
111391240,0ptp4l0-21swapper/012:28:460
111391240,0ptp4l0-21swapper/012:14:510
111391240,0ptp4l0-21swapper/011:40:170
111391240,0ptp4l0-21swapper/011:35:140
111391240,0ptp4l0-21swapper/009:59:330
111391240,0ptp4l0-21swapper/009:53:230
111391240,0ptp4l0-21swapper/009:11:300
111391240,0ptp4l0-21swapper/007:50:200
111391240,0ptp4l0-21swapper/007:20:150
111391230,1ptp4l745-21gdbus07:10:014
111391230,1ptp4l23079-21latency_hist07:20:014
111391230,1ptp4l13932-21ssh10:43:421
111391230,0ptp4l0-21swapper/709:05:207
111391230,0ptp4l0-21swapper/512:00:165
111391230,0ptp4l0-21swapper/512:00:155
111391230,0ptp4l0-21swapper/511:53:105
111391230,0ptp4l0-21swapper/510:55:185
111391230,0ptp4l0-21swapper/510:45:165
111391230,0ptp4l0-21swapper/510:28:025
111391230,0ptp4l0-21swapper/509:46:105
111391230,0ptp4l0-21swapper/509:26:245
111391230,0ptp4l0-21swapper/509:26:235
111391230,0ptp4l0-21swapper/508:15:125
111391230,0ptp4l0-21swapper/412:30:114
111391230,0ptp4l0-21swapper/411:50:134
111391230,0ptp4l0-21swapper/411:27:354
111391230,0ptp4l0-21swapper/410:38:474
111391230,0ptp4l0-21swapper/409:40:034
111391230,0ptp4l0-21swapper/408:50:184
111391230,0ptp4l0-21swapper/408:50:004
111391230,0ptp4l0-21swapper/407:55:164
111391230,0ptp4l0-21swapper/407:45:004
111391230,0ptp4l0-21swapper/112:29:151
111391230,0ptp4l0-21swapper/112:00:151
111391230,0ptp4l0-21swapper/112:00:151
111391230,0ptp4l0-21swapper/111:05:041
111391230,0ptp4l0-21swapper/110:55:121
111391230,0ptp4l0-21swapper/110:25:131
111391230,0ptp4l0-21swapper/110:21:071
111391230,0ptp4l0-21swapper/108:50:221
111391230,0ptp4l0-21swapper/108:45:141
111391230,0ptp4l0-21swapper/108:29:351
111391230,0ptp4l0-21swapper/107:35:161
111391230,0ptp4l0-21swapper/011:55:440
111391230,0ptp4l0-21swapper/011:25:220
111391230,0ptp4l0-21swapper/011:08:130
111391230,0ptp4l0-21swapper/010:27:440
111391230,0ptp4l0-21swapper/008:40:160
111391230,0ptp4l0-21swapper/008:10:130
111391230,0ptp4l0-21swapper/007:45:130
111391230,0ptp4l0-21swapper/007:40:190
111391230,0ptp4l0-21swapper/007:30:180
111391220,0ptp4l8587-21diskmemload10:01:011
111391220,0ptp4l0-21swapper/512:33:395
111391220,0ptp4l0-21swapper/512:22:475
111391220,0ptp4l0-21swapper/512:17:105
111391220,0ptp4l0-21swapper/511:44:515
111391220,0ptp4l0-21swapper/511:18:295
111391220,0ptp4l0-21swapper/511:01:005
111391220,0ptp4l0-21swapper/510:52:285
111391220,0ptp4l0-21swapper/510:30:135
111391220,0ptp4l0-21swapper/510:13:355
111391220,0ptp4l0-21swapper/510:03:085
111391220,0ptp4l0-21swapper/509:38:255
111391220,0ptp4l0-21swapper/509:18:065
111391220,0ptp4l0-21swapper/509:12:205
111391220,0ptp4l0-21swapper/508:55:125
111391220,0ptp4l0-21swapper/508:40:135
111391220,0ptp4l0-21swapper/508:39:245
111391220,0ptp4l0-21swapper/508:05:135
111391220,0ptp4l0-21swapper/507:30:125
111391220,0ptp4l0-21swapper/507:12:485
111391220,0ptp4l0-21swapper/409:30:384
111391220,0ptp4l0-21swapper/409:00:114
111391220,0ptp4l0-21swapper/408:40:184
111391220,0ptp4l0-21swapper/408:20:134
111391220,0ptp4l0-21swapper/407:25:124
111391220,0ptp4l0-21swapper/312:36:133
111391220,0ptp4l0-21swapper/112:31:571
111391220,0ptp4l0-21swapper/112:16:501
111391220,0ptp4l0-21swapper/111:56:491
111391220,0ptp4l0-21swapper/111:44:201
111391220,0ptp4l0-21swapper/111:35:171
111391220,0ptp4l0-21swapper/111:25:301
111391220,0ptp4l0-21swapper/111:22:251
111391220,0ptp4l0-21swapper/111:00:011
111391220,0ptp4l0-21swapper/110:45:061
111391220,0ptp4l0-21swapper/110:16:111
111391220,0ptp4l0-21swapper/109:50:281
111391220,0ptp4l0-21swapper/109:17:541
111391220,0ptp4l0-21swapper/109:12:181
111391220,0ptp4l0-21swapper/108:40:131
111391220,0ptp4l0-21swapper/108:15:191
111391220,0ptp4l0-21swapper/108:05:191
111391220,0ptp4l0-21swapper/107:15:131
111391220,0ptp4l0-21swapper/012:00:110
111391220,0ptp4l0-21swapper/012:00:100
111391220,0ptp4l0-21swapper/010:56:210
111391220,0ptp4l0-21swapper/010:39:540
111391220,0ptp4l0-21swapper/009:45:010
111391220,0ptp4l0-21swapper/008:55:170
111391220,0ptp4l0-21swapper/008:35:180
111391220,0ptp4l0-21swapper/008:15:290
111391220,0ptp4l0-21swapper/007:55:140
111391220,0ptp4l0-21swapper/007:10:160
111391210,3ptp4l0-21swapper/108:57:131
111391210,0ptp4l8587-21diskmemload09:54:242
111391210,0ptp4l0-21swapper/609:51:466
111391210,0ptp4l0-21swapper/512:27:145
111391210,0ptp4l0-21swapper/511:58:325
111391210,0ptp4l0-21swapper/511:46:105
111391210,0ptp4l0-21swapper/511:31:165
111391210,0ptp4l0-21swapper/511:20:365
111391210,0ptp4l0-21swapper/510:21:035
111391210,0ptp4l0-21swapper/510:07:065
111391210,0ptp4l0-21swapper/507:35:025
111391210,0ptp4l0-21swapper/408:09:184
111391210,0ptp4l0-21swapper/407:33:074
111391210,0ptp4l0-21swapper/111:46:131
111391210,0ptp4l0-21swapper/111:34:151
111391210,0ptp4l0-21swapper/108:24:201
111391210,0ptp4l0-21swapper/107:22:221
111391210,0ptp4l0-21swapper/011:14:030
111391210,0ptp4l0-21swapper/008:06:090
111391200,3ptp4l0-21swapper/107:43:411
111391200,0ptp4l0-21swapper/509:50:305
111391200,0ptp4l0-21swapper/509:21:245
111391200,0ptp4l0-21swapper/509:08:015
111391200,0ptp4l0-21swapper/508:31:235
111391200,0ptp4l0-21swapper/508:14:555
111391200,0ptp4l0-21swapper/507:27:225
111391200,0ptp4l0-21swapper/408:28:004
111391200,0ptp4l0-21swapper/408:18:234
111391200,0ptp4l0-21swapper/408:03:494
111391200,0ptp4l0-21swapper/407:37:304
111391200,0ptp4l0-21swapper/210:24:522
111391200,0ptp4l0-21swapper/110:53:371
111391200,0ptp4l0-21swapper/109:20:361
111391200,0ptp4l0-21swapper/009:08:290
111391200,0ptp4l0-21swapper/008:28:230
111391200,0ptp4l0-21swapper/008:03:300
111391190,0ptp4l0-21swapper/611:39:066
111391190,0ptp4l0-21swapper/409:08:284
111391190,0ptp4l0-21swapper/210:42:132
111391190,0ptp4l0-21swapper/109:01:481
111391190,0ptp4l0-21swapper/108:36:141
111391190,0ptp4l0-21swapper/008:49:110
111391180,3ptp4l321ktimersoftd/208:10:072
111391180,0ptp4l0-21swapper/007:36:480
111391170,0ptp4l0-21swapper/708:21:097
111391170,0ptp4l0-21swapper/108:31:361
111391160,1ptp4l33-21ksoftirqd/208:52:072
111391160,0ptp4l0-21swapper/511:35:195
111391160,0ptp4l0-21swapper/507:45:585
111391160,0ptp4l0-21swapper/211:39:062
111391160,0ptp4l0-21swapper/210:01:132
111391160,0ptp4l0-21swapper/109:07:091
111391160,0ptp4l0-21swapper/107:25:091
111391150,0ptp4l0-21swapper/709:04:567
111391150,0ptp4l0-21swapper/707:55:007
111391150,0ptp4l0-21swapper/707:25:577
111391150,0ptp4l0-21swapper/608:52:066
111391150,0ptp4l0-21swapper/608:15:416
111391150,0ptp4l0-21swapper/509:01:235
111391150,0ptp4l0-21swapper/508:20:585
111391150,0ptp4l0-21swapper/507:55:495
111391150,0ptp4l0-21swapper/507:52:475
111391150,0ptp4l0-21swapper/507:40:035
111391150,0ptp4l0-21swapper/308:21:133
111391150,0ptp4l0-21swapper/307:25:573
111391150,0ptp4l0-21swapper/208:15:402
111391150,0ptp4l0-21swapper/207:56:422
111391150,0ptp4l0-21swapper/107:55:471
111391150,0ptp4l0-21swapper/107:51:121
217662140,0sleep70-21swapper/707:15:177
111391140,0ptp4l0-21swapper/608:10:086
111391140,0ptp4l0-21swapper/309:04:573
111391140,0ptp4l0-21swapper/307:54:593
111391140,0ptp4l0-21swapper/209:06:232
111391140,0ptp4l0-21swapper/208:47:352
111391140,0ptp4l0-21swapper/207:39:422
111391140,0ptp4l0-21swapper/207:20:092
1786099110,10cyclictest0-21swapper/612:25:296
1786099110,10cyclictest0-21swapper/611:51:246
1786099109,0cyclictest0-21swapper/612:05:526
1786099109,0cyclictest0-21swapper/612:05:516
1786099109,0cyclictest0-21swapper/611:23:446
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1783899100,0cyclictest8587-21diskmemload12:25:523
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178309987,0cyclictest0-21swapper/211:24:552
178309987,0cyclictest0-21swapper/210:26:382
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