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2026-09-03 - 17:54

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 Sep 03, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2852525848,6sleep40-21swapper/407:08:594
111391560,4ptp4l0-21swapper/007:08:020
2852825242,6sleep70-21swapper/707:09:027
2849425240,7sleep20-21swapper/207:08:332
2845425241,6sleep60-21swapper/607:08:056
2843124736,7sleep10-21swapper/107:07:441
2856224635,7sleep50-21swapper/507:09:245
2831424635,7sleep30-21swapper/307:06:173
111391360,0ptp4l0-21swapper/008:50:000
111391350,0ptp4l20926-21df_inode09:55:120
111391340,1ptp4l6552-21fw_forwarded_lo08:40:130
111391310,1ptp4l5176-21ssh10:17:504
111391310,0ptp4l0-21swapper/412:15:184
111391310,0ptp4l0-21swapper/409:55:194
111391310,0ptp4l0-21swapper/409:20:164
111391310,0ptp4l0-21swapper/011:11:100
111391310,0ptp4l0-21swapper/009:27:590
111391300,2ptp4l0-21swapper/409:10:154
111391300,0ptp4l0-21swapper/412:24:314
111391300,0ptp4l0-21swapper/410:47:214
111391300,0ptp4l0-21swapper/409:47:104
111391290,0ptp4l0-21swapper/412:27:584
111391290,0ptp4l0-21swapper/410:28:584
111391290,0ptp4l0-21swapper/410:24:354
111391290,0ptp4l0-21swapper/410:13:444
111391290,0ptp4l0-21swapper/408:40:164
111391290,0ptp4l0-21swapper/011:55:340
111391290,0ptp4l0-21swapper/011:23:150
111391280,1ptp4l31453-21latency11:40:144
111391280,0ptp4l0-21swapper/510:53:405
111391280,0ptp4l0-21swapper/411:09:244
111391280,0ptp4l0-21swapper/410:44:334
111391280,0ptp4l0-21swapper/410:44:324
111391280,0ptp4l0-21swapper/409:28:354
111391280,0ptp4l0-21swapper/409:15:384
111391280,0ptp4l0-21swapper/407:20:124
111391280,0ptp4l0-21swapper/012:20:030
111391280,0ptp4l0-21swapper/011:31:230
111391280,0ptp4l0-21swapper/010:57:500
111391280,0ptp4l0-21swapper/010:36:580
111391280,0ptp4l0-21swapper/010:12:550
111391270,4ptp4l0-21swapper/409:36:374
111391270,0ptp4l0-21swapper/411:20:124
111391270,0ptp4l0-21swapper/411:04:404
111391270,0ptp4l0-21swapper/410:33:404
111391270,0ptp4l0-21swapper/012:18:010
111391270,0ptp4l0-21swapper/012:09:280
111391270,0ptp4l0-21swapper/011:00:220
111391270,0ptp4l0-21swapper/010:52:450
111391270,0ptp4l0-21swapper/010:26:000
111391270,0ptp4l0-21swapper/010:21:350
111391270,0ptp4l0-21swapper/010:18:030
111391270,0ptp4l0-21swapper/009:31:090
111391260,1ptp4l0-21swapper/410:09:394
111391260,0ptp4l481ktimersoftd/410:39:414
111391260,0ptp4l0-21swapper/412:38:514
111391260,0ptp4l0-21swapper/409:53:234
111391260,0ptp4l0-21swapper/408:25:114
111391260,0ptp4l0-21swapper/212:22:232
111391260,0ptp4l0-21swapper/011:28:220
111391260,0ptp4l0-21swapper/010:03:200
111391260,0ptp4l0-21swapper/009:44:010
111391250,0ptp4l19641-21diskmemload09:20:440
111391250,0ptp4l0-21swapper/412:30:234
111391250,0ptp4l0-21swapper/411:52:454
111391250,0ptp4l0-21swapper/411:35:184
111391250,0ptp4l0-21swapper/411:25:104
111391250,0ptp4l0-21swapper/411:19:464
111391250,0ptp4l0-21swapper/410:55:144
111391250,0ptp4l0-21swapper/409:30:024
111391250,0ptp4l0-21swapper/111:19:421
111391250,0ptp4l0-21swapper/012:35:430
111391250,0ptp4l0-21swapper/012:25:100
111391250,0ptp4l0-21swapper/012:01:440
111391250,0ptp4l0-21swapper/011:54:020
111391250,0ptp4l0-21swapper/011:47:150
111391250,0ptp4l0-21swapper/011:39:050
111391250,0ptp4l0-21swapper/010:31:020
111391250,0ptp4l0-21swapper/009:52:030
111391250,0ptp4l0-21swapper/008:25:000
111391240,1ptp4l7253-21find09:35:190
111391240,1ptp4l25752-21ssh10:45:200
111391240,1ptp4l22820-21df_inode08:05:114
111391240,1ptp4l16950-21users09:00:200
111391240,1ptp4l16837-21smartctl12:05:194
111391240,1ptp4l12996-21memory12:00:164
111391240,0ptp4l0-21swapper/509:46:355
111391240,0ptp4l0-21swapper/412:10:254
111391240,0ptp4l0-21swapper/411:59:024
111391240,0ptp4l0-21swapper/409:05:174
111391240,0ptp4l0-21swapper/407:55:134
111391240,0ptp4l0-21swapper/407:15:004
111391240,0ptp4l0-21swapper/109:38:461
111391240,0ptp4l0-21swapper/008:30:140
111391240,0ptp4l0-21swapper/008:05:140
111391240,0ptp4l0-21swapper/007:35:170
111391230,2ptp4l321ktimersoftd/212:15:362
111391230,2ptp4l0-21swapper/111:01:031
111391230,1ptp4l9-21ksoftirqd/009:12:040
111391230,1ptp4l0-21swapper/211:22:462
111391230,0ptp4l0-21swapper/511:54:315
111391230,0ptp4l0-21swapper/411:49:294
111391230,0ptp4l0-21swapper/411:10:184
111391230,0ptp4l0-21swapper/410:50:324
111391230,0ptp4l0-21swapper/410:00:494
111391230,0ptp4l0-21swapper/409:40:134
111391230,0ptp4l0-21swapper/409:00:194
111391230,0ptp4l0-21swapper/408:55:204
111391230,0ptp4l0-21swapper/408:45:124
111391230,0ptp4l0-21swapper/408:35:104
111391230,0ptp4l0-21swapper/408:30:154
111391230,0ptp4l0-21swapper/408:25:004
111391230,0ptp4l0-21swapper/408:10:174
111391230,0ptp4l0-21swapper/407:50:124
111391230,0ptp4l0-21swapper/407:35:164
111391230,0ptp4l0-21swapper/111:25:121
111391230,0ptp4l0-21swapper/110:59:061
111391230,0ptp4l0-21swapper/110:20:141
111391230,0ptp4l0-21swapper/110:10:241
111391230,0ptp4l0-21swapper/110:05:211
111391230,0ptp4l0-21swapper/110:00:141
111391230,0ptp4l0-21swapper/108:35:151
111391230,0ptp4l0-21swapper/107:25:171
111391230,0ptp4l0-21swapper/107:15:191
111391230,0ptp4l0-21swapper/012:10:230
111391230,0ptp4l0-21swapper/011:05:150
111391230,0ptp4l0-21swapper/010:40:120
111391230,0ptp4l0-21swapper/010:40:110
111391230,0ptp4l0-21swapper/009:45:160
111391230,0ptp4l0-21swapper/009:19:520
111391230,0ptp4l0-21swapper/009:05:140
111391230,0ptp4l0-21swapper/008:18:200
111391230,0ptp4l0-21swapper/008:10:180
111391230,0ptp4l0-21swapper/008:00:130
111391230,0ptp4l0-21swapper/008:00:120
111391230,0ptp4l0-21swapper/007:55:090
111391230,0ptp4l0-21swapper/007:25:200
111391230,0ptp4l0-21swapper/007:15:140
111391220,0ptp4l5301-21mailstats07:25:194
111391220,0ptp4l0-21swapper/712:22:517
111391220,0ptp4l0-21swapper/612:22:216
111391220,0ptp4l0-21swapper/612:15:356
111391220,0ptp4l0-21swapper/610:27:076
111391220,0ptp4l0-21swapper/512:02:095
111391220,0ptp4l0-21swapper/511:38:375
111391220,0ptp4l0-21swapper/511:00:125
111391220,0ptp4l0-21swapper/510:20:165
111391220,0ptp4l0-21swapper/510:10:225
111391220,0ptp4l0-21swapper/510:07:185
111391220,0ptp4l0-21swapper/509:27:515
111391220,0ptp4l0-21swapper/507:40:125
111391220,0ptp4l0-21swapper/411:32:154
111391220,0ptp4l0-21swapper/408:50:134
111391220,0ptp4l0-21swapper/408:15:164
111391220,0ptp4l0-21swapper/408:00:124
111391220,0ptp4l0-21swapper/408:00:124
111391220,0ptp4l0-21swapper/407:30:114
111391220,0ptp4l0-21swapper/211:14:222
111391220,0ptp4l0-21swapper/210:55:022
111391220,0ptp4l0-21swapper/210:27:022
111391220,0ptp4l0-21swapper/208:02:222
111391220,0ptp4l0-21swapper/208:02:212
111391220,0ptp4l0-21swapper/112:22:301
111391220,0ptp4l0-21swapper/112:11:171
111391220,0ptp4l0-21swapper/112:05:221
111391220,0ptp4l0-21swapper/111:50:281
111391220,0ptp4l0-21swapper/111:32:281
111391220,0ptp4l0-21swapper/111:22:191
111391220,0ptp4l0-21swapper/110:51:561
111391220,0ptp4l0-21swapper/110:15:571
111391220,0ptp4l0-21swapper/109:46:341
111391220,0ptp4l0-21swapper/109:26:061
111391220,0ptp4l0-21swapper/109:17:321
111391220,0ptp4l0-21swapper/109:14:271
111391220,0ptp4l0-21swapper/107:10:191
111391220,0ptp4l0-21swapper/012:30:180
111391220,0ptp4l0-21swapper/011:40:140
111391220,0ptp4l0-21swapper/011:15:180
111391220,0ptp4l0-21swapper/010:05:160
111391220,0ptp4l0-21swapper/008:50:150
111391220,0ptp4l0-21swapper/008:35:200
111391220,0ptp4l0-21swapper/008:25:120
111391220,0ptp4l0-21swapper/007:50:190
111391220,0ptp4l0-21swapper/007:45:150
111391220,0ptp4l0-21swapper/007:43:250
111391220,0ptp4l0-21swapper/007:30:150
111391220,0ptp4l0-21swapper/007:20:110
111391220,0ptp4l0-21swapper/007:10:120
111391210,0ptp4l0-21swapper/711:53:497
111391210,0ptp4l0-21swapper/710:54:477
111391210,0ptp4l0-21swapper/710:13:527
111391210,0ptp4l0-21swapper/709:36:027
111391210,0ptp4l0-21swapper/709:34:307
111391210,0ptp4l0-21swapper/611:30:276
111391210,0ptp4l0-21swapper/611:22:546
111391210,0ptp4l0-21swapper/610:59:336
111391210,0ptp4l0-21swapper/610:55:006
111391210,0ptp4l0-21swapper/609:13:126
111391210,0ptp4l0-21swapper/512:21:145
111391210,0ptp4l0-21swapper/512:19:135
111391210,0ptp4l0-21swapper/511:42:405
111391210,0ptp4l0-21swapper/510:59:285
111391210,0ptp4l0-21swapper/510:28:275
111391210,0ptp4l0-21swapper/510:16:125
111391210,0ptp4l0-21swapper/509:57:165
111391210,0ptp4l0-21swapper/509:19:175
111391210,0ptp4l0-21swapper/507:45:145
111391210,0ptp4l0-21swapper/407:45:184
111391210,0ptp4l0-21swapper/407:40:184
111391210,0ptp4l0-21swapper/407:10:144
111391210,0ptp4l0-21swapper/310:15:383
111391210,0ptp4l0-21swapper/309:36:023
111391210,0ptp4l0-21swapper/309:34:303
111391210,0ptp4l0-21swapper/210:23:182
111391210,0ptp4l0-21swapper/210:07:272
111391210,0ptp4l0-21swapper/208:35:432
111391210,0ptp4l0-21swapper/112:29:311
111391210,0ptp4l0-21swapper/110:46:541
111391210,0ptp4l0-21swapper/110:40:351
111391210,0ptp4l0-21swapper/110:40:341
111391210,0ptp4l0-21swapper/110:36:521
111391210,0ptp4l0-21swapper/109:56:181
111391210,0ptp4l0-21swapper/109:52:341
111391210,0ptp4l0-21swapper/108:50:121
111391210,0ptp4l0-21swapper/008:55:150
111391200,0ptp4l0-21swapper/612:11:296
111391200,0ptp4l0-21swapper/611:42:566
111391200,0ptp4l0-21swapper/512:12:165
111391200,0ptp4l0-21swapper/511:26:185
111391200,0ptp4l0-21swapper/511:21:225
111391200,0ptp4l0-21swapper/510:02:585
111391200,0ptp4l0-21swapper/509:53:175
111391200,0ptp4l0-21swapper/311:47:053
111391200,0ptp4l0-21swapper/310:54:483
111391200,0ptp4l0-21swapper/211:42:592
111391200,0ptp4l0-21swapper/211:26:192
111391200,0ptp4l0-21swapper/210:12:402
111391200,0ptp4l0-21swapper/209:13:102
111391200,0ptp4l0-21swapper/112:01:191
111391200,0ptp4l0-21swapper/111:40:501
111391200,0ptp4l0-21swapper/111:38:141
111391200,0ptp4l0-21swapper/111:10:411
111391200,0ptp4l0-21swapper/111:08:551
111391200,0ptp4l0-21swapper/110:32:171
111391200,0ptp4l0-21swapper/110:25:471
111391200,0ptp4l0-21swapper/109:32:181
111391200,0ptp4l0-21swapper/107:45:131
111391190,0ptp4l0-21swapper/611:26:216
111391190,0ptp4l0-21swapper/611:14:226
111391190,0ptp4l0-21swapper/610:12:406
111391190,0ptp4l0-21swapper/608:35:426
111391190,0ptp4l0-21swapper/511:56:015
111391190,0ptp4l0-21swapper/510:40:325
111391190,0ptp4l0-21swapper/510:40:325
111391190,0ptp4l0-21swapper/311:53:513
111391190,0ptp4l0-21swapper/307:49:473
111391190,0ptp4l0-21swapper/212:11:302
111391190,0ptp4l0-21swapper/211:30:362
111391190,0ptp4l0-21swapper/210:51:182
111391190,0ptp4l0-21swapper/208:42:522
111391190,0ptp4l0-21swapper/112:16:081
111391190,0ptp4l0-21swapper/108:05:221
111391190,0ptp4l0-21swapper/107:57:241
111391180,0ptp4l0-21swapper/511:16:095
111391180,0ptp4l0-21swapper/510:31:545
111391180,0ptp4l0-21swapper/509:37:575
111391180,0ptp4l0-21swapper/509:32:205
111391180,0ptp4l0-21swapper/211:36:242
111391180,0ptp4l0-21swapper/209:18:522
111391180,0ptp4l0-21swapper/112:35:001
111391180,0ptp4l0-21swapper/112:32:021
111391180,0ptp4l0-21swapper/111:47:461
111391180,0ptp4l0-21swapper/109:23:031
111391170,0ptp4l0-21swapper/610:23:176
111391170,0ptp4l0-21swapper/610:19:566
111391170,0ptp4l0-21swapper/511:10:415
111391170,0ptp4l0-21swapper/510:46:535
111391170,0ptp4l0-21swapper/509:21:055
111391170,0ptp4l0-21swapper/509:10:415
111391170,0ptp4l0-21swapper/312:22:523
111391170,0ptp4l0-21swapper/310:13:503
111391170,0ptp4l0-21swapper/210:03:342
111391170,0ptp4l0-21swapper/111:56:001
111391170,0ptp4l0-21swapper/109:04:331
111391160,0ptp4l0-21swapper/711:47:077
111391160,0ptp4l0-21swapper/610:05:556
111391160,0ptp4l0-21swapper/512:35:025
111391160,0ptp4l0-21swapper/512:30:015
111391160,0ptp4l0-21swapper/512:09:315
111391160,0ptp4l0-21swapper/511:08:555
111391160,0ptp4l0-21swapper/510:37:435
111391160,0ptp4l0-21swapper/508:35:065
111391160,0ptp4l0-21swapper/508:29:365
111391160,0ptp4l0-21swapper/507:38:435
111391160,0ptp4l0-21swapper/109:40:401
111391160,0ptp4l0-21swapper/107:52:371
111391160,0ptp4l0-21swapper/107:36:321
111391150,0ptp4l0-21swapper/710:15:397
111391150,0ptp4l0-21swapper/708:18:067
111391150,0ptp4l0-21swapper/707:57:357
111391150,0ptp4l0-21swapper/611:02:396
111391150,0ptp4l0-21swapper/608:02:196
111391150,0ptp4l0-21swapper/608:02:196
111391150,0ptp4l0-21swapper/607:57:066
111391150,0ptp4l0-21swapper/607:26:346
111391150,0ptp4l0-21swapper/509:40:415
111391150,0ptp4l0-21swapper/509:05:565
111391150,0ptp4l0-21swapper/508:46:165
111391150,0ptp4l0-21swapper/508:42:355
111391150,0ptp4l0-21swapper/508:32:015
111391150,0ptp4l0-21swapper/508:20:395
111391150,0ptp4l0-21swapper/508:15:075
111391150,0ptp4l0-21swapper/508:05:235
111391150,0ptp4l0-21swapper/508:01:465
111391150,0ptp4l0-21swapper/508:01:465
111391150,0ptp4l0-21swapper/507:28:095
111391150,0ptp4l0-21swapper/507:10:075
111391150,0ptp4l0-21swapper/211:02:372
111391150,0ptp4l0-21swapper/208:58:222
111391150,0ptp4l0-21swapper/208:20:012
111391150,0ptp4l0-21swapper/207:32:012
111391150,0ptp4l0-21swapper/207:29:232
111391150,0ptp4l0-21swapper/207:22:492
111391150,0ptp4l0-21swapper/207:14:232
111391150,0ptp4l0-21swapper/109:05:561
111391150,0ptp4l0-21swapper/108:57:001
111391150,0ptp4l0-21swapper/108:45:491
111391150,0ptp4l0-21swapper/108:42:351
111391150,0ptp4l0-21swapper/108:31:431
111391150,0ptp4l0-21swapper/108:25:311
111391150,0ptp4l0-21swapper/108:20:221
111391150,0ptp4l0-21swapper/108:15:061
111391150,0ptp4l0-21swapper/108:11:551
111391150,0ptp4l0-21swapper/108:00:111
111391150,0ptp4l0-21swapper/108:00:111
111391150,0ptp4l0-21swapper/107:40:091
111391150,0ptp4l0-21swapper/107:30:031
111391150,0ptp4l0-21swapper/107:23:001
111391140,0ptp4l0-21swapper/707:49:437
111391140,0ptp4l0-21swapper/609:04:546
111391140,0ptp4l0-21swapper/608:58:246
111391140,0ptp4l0-21swapper/608:51:366
111391140,0ptp4l0-21swapper/608:42:406
111391140,0ptp4l0-21swapper/607:22:516
111391140,0ptp4l0-21swapper/508:57:015
111391140,0ptp4l0-21swapper/508:50:105
111391140,0ptp4l0-21swapper/508:12:005
111391140,0ptp4l0-21swapper/507:17:065
111391140,0ptp4l0-21swapper/308:18:053
111391140,0ptp4l0-21swapper/307:57:353
111391140,0ptp4l0-21swapper/211:55:532
111391140,0ptp4l0-21swapper/210:19:572
111391140,0ptp4l0-21swapper/209:04:522
111391140,0ptp4l0-21swapper/207:57:042
111391140,0ptp4l0-21swapper/207:18:472
111391130,0ptp4l0-21swapper/208:51:362
2891699110,10cyclictest0-21swapper/609:28:136
2892499109,0cyclictest0-21swapper/711:18:307
2892499109,0cyclictest0-21swapper/709:46:347
2892499109,0cyclictest0-21swapper/709:12:477
2892499100,9cyclictest0-21swapper/711:44:547
2892499100,9cyclictest0-21swapper/710:55:147
2892499100,9cyclictest0-21swapper/710:20:497
2891699109,0cyclictest0-21swapper/612:27:046
2891699108,1cyclictest24561-21if_enp1s010:00:136
2891699107,2cyclictest0-21swapper/608:23:556
2891699100,9cyclictest0-21swapper/609:44:536
2891699100,9cyclictest0-21swapper/609:36:336
2891699100,0cyclictest0-21swapper/611:57:406
2891099100,9cyclictest0-21swapper/512:27:375
2889599100,9cyclictest0-21swapper/311:38:263
2889599100,9cyclictest0-21swapper/310:25:203
2888899100,9cyclictest0-21swapper/211:50:192
289249998,0cyclictest0-21swapper/711:26:317
289249998,0cyclictest0-21swapper/711:02:477
289249998,0cyclictest0-21swapper/710:40:567
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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