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2026-07-28 - 21:05

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 28, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391670,31ptp4l0-21swapper/107:05:151
1767726252,6sleep70-21swapper/707:09:527
111391600,5ptp4l0-21swapper/507:06:395
111391590,28ptp4l0-21swapper/207:05:542
111391590,0ptp4l7314-21sh07:55:130
47892580,0sleep70-21swapper/710:30:157
1743125734,6sleep40-21swapper/407:06:454
1765025341,7sleep00-21swapper/007:09:290
1758525231,7sleep30-21swapper/307:08:443
1764724938,6sleep60-21swapper/607:09:286
111391320,0ptp4l0-21swapper/010:20:170
111391310,0ptp4l0-21swapper/510:40:135
111391310,0ptp4l0-21swapper/510:40:125
111391310,0ptp4l0-21swapper/411:40:164
111391310,0ptp4l0-21swapper/410:50:204
111391300,0ptp4l0-21swapper/510:02:075
111391300,0ptp4l0-21swapper/412:01:444
111391300,0ptp4l0-21swapper/411:32:424
111391300,0ptp4l0-21swapper/409:47:174
111391300,0ptp4l0-21swapper/011:45:460
111391300,0ptp4l0-21swapper/011:36:270
111391300,0ptp4l0-21swapper/010:31:530
111391300,0ptp4l0-21swapper/009:59:150
111391290,3ptp4l0-21swapper/410:25:154
111391290,0ptp4l0-21swapper/510:45:035
111391290,0ptp4l0-21swapper/510:45:035
111391290,0ptp4l0-21swapper/509:50:125
111391290,0ptp4l0-21swapper/411:01:414
111391290,0ptp4l0-21swapper/409:35:064
111391290,0ptp4l0-21swapper/409:28:504
111391290,0ptp4l0-21swapper/409:21:104
111391290,0ptp4l0-21swapper/408:25:464
111391290,0ptp4l0-21swapper/210:31:292
111391290,0ptp4l0-21swapper/111:24:311
111391290,0ptp4l0-21swapper/109:38:431
111391290,0ptp4l0-21swapper/012:06:380
111391290,0ptp4l0-21swapper/011:57:020
111391290,0ptp4l0-21swapper/011:07:130
111391290,0ptp4l0-21swapper/010:25:110
111391290,0ptp4l0-21swapper/010:06:370
111391290,0ptp4l0-21swapper/009:42:340
111391290,0ptp4l0-21swapper/009:34:180
111391280,0ptp4l0-21swapper/510:11:095
111391280,0ptp4l0-21swapper/412:34:064
111391280,0ptp4l0-21swapper/412:11:244
111391280,0ptp4l0-21swapper/411:28:024
111391280,0ptp4l0-21swapper/411:19:184
111391280,0ptp4l0-21swapper/408:45:214
111391280,0ptp4l0-21swapper/012:37:510
111391280,0ptp4l0-21swapper/010:20:000
111391280,0ptp4l0-21swapper/009:16:370
111391280,0ptp4l0-21swapper/009:10:120
111391270,0ptp4l0-21swapper/511:34:435
111391270,0ptp4l0-21swapper/511:07:335
111391270,0ptp4l0-21swapper/509:37:245
111391270,0ptp4l0-21swapper/508:21:085
111391270,0ptp4l0-21swapper/410:45:234
111391270,0ptp4l0-21swapper/410:45:234
111391270,0ptp4l0-21swapper/410:21:304
111391270,0ptp4l0-21swapper/407:30:464
111391270,0ptp4l0-21swapper/111:50:441
111391270,0ptp4l0-21swapper/110:42:561
111391270,0ptp4l0-21swapper/110:42:561
111391270,0ptp4l0-21swapper/109:25:471
111391270,0ptp4l0-21swapper/012:33:220
111391270,0ptp4l0-21swapper/012:28:400
111391270,0ptp4l0-21swapper/012:22:500
111391270,0ptp4l0-21swapper/012:04:520
111391270,0ptp4l0-21swapper/011:11:000
111391270,0ptp4l0-21swapper/010:57:050
111391270,0ptp4l0-21swapper/010:43:530
111391270,0ptp4l0-21swapper/010:43:520
111391270,0ptp4l0-21swapper/009:35:030
111391260,0ptp4l0-21swapper/511:44:245
111391260,0ptp4l0-21swapper/511:28:315
111391260,0ptp4l0-21swapper/510:53:185
111391260,0ptp4l0-21swapper/507:40:005
111391260,0ptp4l0-21swapper/412:26:104
111391260,0ptp4l0-21swapper/412:19:104
111391260,0ptp4l0-21swapper/411:59:514
111391260,0ptp4l0-21swapper/411:51:204
111391260,0ptp4l0-21swapper/409:57:584
111391260,0ptp4l0-21swapper/409:14:334
111391260,0ptp4l0-21swapper/112:12:451
111391260,0ptp4l0-21swapper/011:33:010
111391260,0ptp4l0-21swapper/011:26:420
111391260,0ptp4l0-21swapper/011:21:370
111391260,0ptp4l0-21swapper/011:00:460
111391260,0ptp4l0-21swapper/010:36:400
111391260,0ptp4l0-21swapper/009:23:380
111391260,0ptp4l0-21swapper/008:11:070
111391250,1ptp4l0-21swapper/311:03:383
111391250,0ptp4l0-21swapper/512:07:115
111391250,0ptp4l0-21swapper/511:00:115
111391250,0ptp4l0-21swapper/509:05:175
111391250,0ptp4l0-21swapper/411:21:254
111391250,0ptp4l0-21swapper/411:05:174
111391250,0ptp4l0-21swapper/410:30:134
111391250,0ptp4l0-21swapper/409:33:504
111391250,0ptp4l0-21swapper/409:17:264
111391250,0ptp4l0-21swapper/111:45:131
111391250,0ptp4l0-21swapper/110:14:381
111391250,0ptp4l0-21swapper/110:01:241
111391250,0ptp4l0-21swapper/108:50:411
111391250,0ptp4l0-21swapper/011:51:160
111391250,0ptp4l0-21swapper/011:40:440
111391250,0ptp4l0-21swapper/011:15:390
111391250,0ptp4l0-21swapper/010:50:130
111391250,0ptp4l0-21swapper/010:47:530
111391250,0ptp4l0-21swapper/010:47:530
111391250,0ptp4l0-21swapper/010:00:120
111391250,0ptp4l0-21swapper/009:28:340
111391240,3ptp4l401ktimersoftd/309:13:513
111391240,2ptp4l1061-21snmpd07:50:204
111391240,1ptp4l32367-21cut09:40:154
111391240,1ptp4l29939-21latency_hist08:45:010
111391240,1ptp4l29912-21sed07:35:001
111391240,1ptp4l29193-21cat07:30:205
111391240,1ptp4l20559-21if_err_enp1s007:15:004
111391240,0ptp4l0-21swapper/612:20:166
111391240,0ptp4l0-21swapper/511:45:125
111391240,0ptp4l0-21swapper/511:18:295
111391240,0ptp4l0-21swapper/510:38:345
111391240,0ptp4l0-21swapper/509:12:385
111391240,0ptp4l0-21swapper/507:55:005
111391240,0ptp4l0-21swapper/412:37:344
111391240,0ptp4l0-21swapper/411:49:454
111391240,0ptp4l0-21swapper/411:11:114
111391240,0ptp4l0-21swapper/410:41:254
111391240,0ptp4l0-21swapper/410:41:244
111391240,0ptp4l0-21swapper/408:50:194
111391240,0ptp4l0-21swapper/408:35:164
111391240,0ptp4l0-21swapper/407:25:174
111391240,0ptp4l0-21swapper/212:34:592
111391240,0ptp4l0-21swapper/111:25:141
111391240,0ptp4l0-21swapper/111:00:111
111391240,0ptp4l0-21swapper/109:05:211
111391240,0ptp4l0-21swapper/109:00:211
111391240,0ptp4l0-21swapper/012:16:130
111391240,0ptp4l0-21swapper/012:10:200
111391240,0ptp4l0-21swapper/008:45:190
111391230,1ptp4l8718-21diskmemload12:22:064
111391230,1ptp4l561ktimersoftd/512:28:175
111391230,1ptp4l401ktimersoftd/309:17:423
111391230,1ptp4l10255-21ssh10:38:304
111391230,0ptp4l0-21swapper/609:24:276
111391230,0ptp4l0-21swapper/512:24:325
111391230,0ptp4l0-21swapper/511:50:115
111391230,0ptp4l0-21swapper/511:24:305
111391230,0ptp4l0-21swapper/510:29:055
111391230,0ptp4l0-21swapper/510:15:175
111391230,0ptp4l0-21swapper/509:05:005
111391230,0ptp4l0-21swapper/507:35:125
111391230,0ptp4l0-21swapper/507:10:535
111391230,0ptp4l0-21swapper/412:05:154
111391230,0ptp4l0-21swapper/411:35:234
111391230,0ptp4l0-21swapper/410:56:234
111391230,0ptp4l0-21swapper/410:15:164
111391230,0ptp4l0-21swapper/410:10:174
111391230,0ptp4l0-21swapper/410:07:054
111391230,0ptp4l0-21swapper/408:55:164
111391230,0ptp4l0-21swapper/408:30:194
111391230,0ptp4l0-21swapper/408:10:144
111391230,0ptp4l0-21swapper/408:05:204
111391230,0ptp4l0-21swapper/408:05:194
111391230,0ptp4l0-21swapper/408:00:134
111391230,0ptp4l0-21swapper/407:55:144
111391230,0ptp4l0-21swapper/407:45:164
111391230,0ptp4l0-21swapper/407:40:144
111391230,0ptp4l0-21swapper/407:20:134
111391230,0ptp4l0-21swapper/212:20:142
111391230,0ptp4l0-21swapper/210:55:132
111391230,0ptp4l0-21swapper/209:11:322
111391230,0ptp4l0-21swapper/112:35:211
111391230,0ptp4l0-21swapper/112:25:131
111391230,0ptp4l0-21swapper/111:17:581
111391230,0ptp4l0-21swapper/110:56:501
111391230,0ptp4l0-21swapper/110:49:021
111391230,0ptp4l0-21swapper/110:49:021
111391230,0ptp4l0-21swapper/110:26:091
111391230,0ptp4l0-21swapper/110:16:391
111391230,0ptp4l0-21swapper/110:05:241
111391230,0ptp4l0-21swapper/109:50:131
111391230,0ptp4l0-21swapper/109:41:091
111391230,0ptp4l0-21swapper/109:13:471
111391230,0ptp4l0-21swapper/108:20:121
111391230,0ptp4l0-21swapper/107:35:201
111391230,0ptp4l0-21swapper/010:10:150
111391230,0ptp4l0-21swapper/009:52:200
111391230,0ptp4l0-21swapper/009:45:120
111391230,0ptp4l0-21swapper/008:55:140
111391230,0ptp4l0-21swapper/008:50:160
111391230,0ptp4l0-21swapper/008:30:110
111391230,0ptp4l0-21swapper/008:15:210
111391230,0ptp4l0-21swapper/008:05:190
111391230,0ptp4l0-21swapper/008:05:180
111391230,0ptp4l0-21swapper/008:00:130
111391230,0ptp4l0-21swapper/007:50:200
111391230,0ptp4l0-21swapper/007:20:180
111391230,0ptp4l0-21swapper/007:15:140
111391220,1ptp4l21219-21ssh10:52:591
111391220,0ptp4l0-21swapper/612:35:046
111391220,0ptp4l0-21swapper/610:55:146
111391220,0ptp4l0-21swapper/610:46:076
111391220,0ptp4l0-21swapper/610:46:076
111391220,0ptp4l0-21swapper/610:01:116
111391220,0ptp4l0-21swapper/609:18:426
111391220,0ptp4l0-21swapper/512:35:225
111391220,0ptp4l0-21swapper/512:13:185
111391220,0ptp4l0-21swapper/511:55:575
111391220,0ptp4l0-21swapper/511:10:195
111391220,0ptp4l0-21swapper/510:59:155
111391220,0ptp4l0-21swapper/510:22:145
111391220,0ptp4l0-21swapper/510:05:085
111391220,0ptp4l0-21swapper/509:48:575
111391220,0ptp4l0-21swapper/509:32:525
111391220,0ptp4l0-21swapper/509:29:475
111391220,0ptp4l0-21swapper/410:01:174
111391220,0ptp4l0-21swapper/409:54:544
111391220,0ptp4l0-21swapper/408:40:144
111391220,0ptp4l0-21swapper/408:15:084
111391220,0ptp4l0-21swapper/407:13:424
111391220,0ptp4l0-21swapper/212:35:022
111391220,0ptp4l0-21swapper/211:54:372
111391220,0ptp4l0-21swapper/211:21:532
111391220,0ptp4l0-21swapper/210:01:092
111391220,0ptp4l0-21swapper/209:23:222
111391220,0ptp4l0-21swapper/209:18:402
111391220,0ptp4l0-21swapper/112:15:071
111391220,0ptp4l0-21swapper/112:07:051
111391220,0ptp4l0-21swapper/111:43:501
111391220,0ptp4l0-21swapper/111:31:091
111391220,0ptp4l0-21swapper/111:10:171
111391220,0ptp4l0-21swapper/111:06:501
111391220,0ptp4l0-21swapper/110:35:461
111391220,0ptp4l0-21swapper/110:32:521
111391220,0ptp4l0-21swapper/110:22:131
111391220,0ptp4l0-21swapper/109:55:041
111391220,0ptp4l0-21swapper/109:33:151
111391220,0ptp4l0-21swapper/109:20:431
111391220,0ptp4l0-21swapper/109:19:341
111391220,0ptp4l0-21swapper/107:10:161
111391220,0ptp4l0-21swapper/008:35:130
111391220,0ptp4l0-21swapper/008:25:160
111391220,0ptp4l0-21swapper/008:22:200
111391220,0ptp4l0-21swapper/007:45:110
111391220,0ptp4l0-21swapper/007:40:120
111391220,0ptp4l0-21swapper/007:25:180
111391210,0ptp4l0-21swapper/612:12:296
111391210,0ptp4l0-21swapper/611:21:486
111391210,0ptp4l0-21swapper/610:43:016
111391210,0ptp4l0-21swapper/610:43:016
111391210,0ptp4l0-21swapper/607:23:466
111391210,0ptp4l0-21swapper/512:33:295
111391210,0ptp4l0-21swapper/512:16:225
111391210,0ptp4l0-21swapper/509:55:415
111391210,0ptp4l0-21swapper/509:24:585
111391210,0ptp4l0-21swapper/509:19:345
111391210,0ptp4l0-21swapper/409:01:594
111391210,0ptp4l0-21swapper/408:22:464
111391210,0ptp4l0-21swapper/212:12:312
111391210,0ptp4l0-21swapper/210:46:312
111391210,0ptp4l0-21swapper/210:46:312
111391210,0ptp4l0-21swapper/210:42:582
111391210,0ptp4l0-21swapper/210:42:572
111391210,0ptp4l0-21swapper/112:24:081
111391210,0ptp4l0-21swapper/111:55:541
111391210,0ptp4l0-21swapper/109:45:411
111391210,0ptp4l0-21swapper/108:19:451
111391210,0ptp4l0-21swapper/107:57:001
111391210,0ptp4l0-21swapper/107:41:451
111391210,0ptp4l0-21swapper/007:36:070
111391200,1ptp4l8718-21diskmemload11:36:411
111391200,0ptp4l0-21swapper/711:03:397
111391200,0ptp4l0-21swapper/611:54:446
111391200,0ptp4l0-21swapper/611:36:456
111391200,0ptp4l0-21swapper/512:01:595
111391200,0ptp4l0-21swapper/510:33:055
111391200,0ptp4l0-21swapper/508:19:065
111391200,0ptp4l0-21swapper/508:12:465
111391200,0ptp4l0-21swapper/407:35:464
111391200,0ptp4l0-21swapper/309:27:203
111391200,0ptp4l0-21swapper/211:36:492
111391200,0ptp4l0-21swapper/210:29:392
111391200,0ptp4l0-21swapper/112:32:461
111391200,0ptp4l0-21swapper/108:27:081
111391200,0ptp4l0-21swapper/107:50:071
111391200,0ptp4l0-21swapper/007:30:440
111391190,2ptp4l0-21swapper/508:39:485
111391190,0ptp4l0-21swapper/611:11:036
111391190,0ptp4l0-21swapper/610:31:256
111391190,0ptp4l0-21swapper/509:42:125
111391190,0ptp4l0-21swapper/508:55:135
111391190,0ptp4l0-21swapper/409:09:504
111391190,0ptp4l0-21swapper/211:11:032
111391190,0ptp4l0-21swapper/107:27:461
111391190,0ptp4l0-21swapper/107:18:071
111391190,0ptp4l0-21swapper/007:11:470
111391180,1ptp4l4489-21cut07:50:015
111391180,0ptp4l0-21swapper/709:27:227
111391180,0ptp4l0-21swapper/608:49:536
111391180,0ptp4l0-21swapper/608:36:466
111391180,0ptp4l0-21swapper/507:56:565
111391180,0ptp4l0-21swapper/209:39:102
111391180,0ptp4l0-21swapper/207:23:292
111391180,0ptp4l0-21swapper/108:34:101
111391180,0ptp4l0-21swapper/108:14:071
111391180,0ptp4l0-21swapper/009:09:290
111391180,0ptp4l0-21swapper/009:01:570
111391170,2ptp4l0-21swapper/108:58:451
111391170,2ptp4l0-21swapper/108:04:581
111391170,1ptp4l0-21swapper/108:42:331
111391170,0ptp4l0-21swapper/708:27:557
111391170,0ptp4l0-21swapper/508:54:125
111391170,0ptp4l0-21swapper/112:02:231
208292160,0sleep20-21swapper/210:51:572
111391160,0ptp4l0-21swapper/707:13:267
111391160,0ptp4l0-21swapper/507:28:065
111391160,0ptp4l0-21swapper/211:45:352
111391160,0ptp4l0-21swapper/108:47:231
1798699150,2cyclictest0-21swapper/609:45:146
111391150,0ptp4l0-21swapper/609:11:316
111391150,0ptp4l0-21swapper/609:02:476
111391150,0ptp4l0-21swapper/608:44:486
111391150,0ptp4l0-21swapper/608:34:286
111391150,0ptp4l0-21swapper/608:04:266
111391150,0ptp4l0-21swapper/607:44:506
111391150,0ptp4l0-21swapper/508:42:335
111391150,0ptp4l0-21swapper/508:34:095
111391150,0ptp4l0-21swapper/508:26:225
111391150,0ptp4l0-21swapper/508:08:485
111391150,0ptp4l0-21swapper/508:08:475
111391150,0ptp4l0-21swapper/508:02:225
111391150,0ptp4l0-21swapper/507:21:075
111391150,0ptp4l0-21swapper/507:17:385
111391150,0ptp4l0-21swapper/310:38:513
111391150,0ptp4l0-21swapper/308:27:533
111391150,0ptp4l0-21swapper/307:13:263
111391150,0ptp4l0-21swapper/208:45:442
111391150,0ptp4l0-21swapper/208:40:122
111391150,0ptp4l0-21swapper/208:36:342
111391150,0ptp4l0-21swapper/208:04:262
111391150,0ptp4l0-21swapper/207:44:412
111391150,0ptp4l0-21swapper/207:26:272
111391150,0ptp4l0-21swapper/108:36:101
111391150,0ptp4l0-21swapper/108:08:471
111391150,0ptp4l0-21swapper/108:08:471
111391150,0ptp4l0-21swapper/107:45:571
111391150,0ptp4l0-21swapper/107:20:021
111391140,0ptp4l0-21swapper/608:23:346
111391140,0ptp4l0-21swapper/607:26:256
111391140,0ptp4l0-21swapper/511:36:435
111391140,0ptp4l0-21swapper/508:47:245
111391140,0ptp4l0-21swapper/308:56:043
111391140,0ptp4l0-21swapper/209:01:092
111391140,0ptp4l0-21swapper/208:34:272
111391140,0ptp4l0-21swapper/208:23:352
1799499110,10cyclictest0-21swapper/712:32:327
1799499110,10cyclictest0-21swapper/710:37:587
1799499110,10cyclictest0-21swapper/710:01:307
1799499110,10cyclictest0-21swapper/709:53:487
1799499110,10cyclictest0-21swapper/709:38:337
1799499110,10cyclictest0-21swapper/709:23:567
1796699110,10cyclictest28765-21missed_timers07:30:163
1799499109,0cyclictest0-21swapper/712:25:377
1799499109,0cyclictest0-21swapper/711:59:227
1799499109,0cyclictest0-21swapper/711:32:107
1799499109,0cyclictest0-21swapper/710:48:027
1799499109,0cyclictest0-21swapper/710:48:027
1799499109,0cyclictest0-21swapper/710:27:267
1799499109,0cyclictest0-21swapper/709:31:017
1799499100,0cyclictest0-21swapper/711:45:417
1799499100,0cyclictest0-21swapper/711:38:577
1799499100,0cyclictest0-21swapper/711:25:077
1796699109,0cyclictest0-21swapper/312:23:133
1796699109,0cyclictest0-21swapper/310:31:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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