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2026-06-11 - 17:57

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 Jun 11, 2026 12:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391740,29ptp4l0-21swapper/007:06:210
1881916542,7phc2sys0-21swapper/107:09:221
47522630,0sleep40-21swapper/410:30:304
111391620,31ptp4l0-21swapper/207:05:582
148502610,0sleep30-21swapper/308:10:193
220922600,0sleep00-21swapper/011:40:110
1684925938,7sleep40-21swapper/407:06:384
7802580,0sleep60-21swapper/610:25:206
111391570,5ptp4l0-21swapper/607:06:096
111391570,5ptp4l0-21swapper/507:05:425
1687925039,6sleep70-21swapper/707:07:057
1685724736,7sleep30-21swapper/307:06:443
111391340,0ptp4l0-21swapper/411:24:174
111391310,0ptp4l0-21swapper/410:03:114
111391310,0ptp4l0-21swapper/410:03:114
111391310,0ptp4l0-21swapper/009:55:110
111391300,0ptp4l0-21swapper/612:39:416
111391300,0ptp4l0-21swapper/612:39:406
111391300,0ptp4l0-21swapper/410:50:224
111391300,0ptp4l0-21swapper/108:35:191
111391300,0ptp4l0-21swapper/010:37:300
111391290,0ptp4l0-21swapper/508:15:145
111391290,0ptp4l0-21swapper/412:28:364
111391290,0ptp4l0-21swapper/411:57:354
111391290,0ptp4l0-21swapper/411:06:184
111391290,0ptp4l0-21swapper/410:48:464
111391290,0ptp4l0-21swapper/410:23:144
111391290,0ptp4l0-21swapper/012:23:470
111391290,0ptp4l0-21swapper/008:30:120
111391280,3ptp4l0-21swapper/011:34:200
111391280,2ptp4l0-21swapper/611:40:546
111391280,2ptp4l0-21swapper/011:50:160
111391280,0ptp4l8145-21diskmemload12:33:171
111391280,0ptp4l0-21swapper/510:37:205
111391280,0ptp4l0-21swapper/410:15:214
111391280,0ptp4l0-21swapper/409:10:044
111391280,0ptp4l0-21swapper/111:34:401
111391280,0ptp4l0-21swapper/011:25:070
111391280,0ptp4l0-21swapper/011:15:180
111391280,0ptp4l0-21swapper/009:22:280
111391270,3ptp4l0-21swapper/412:06:264
111391270,0ptp4l0-21swapper/412:35:454
111391270,0ptp4l0-21swapper/412:35:444
111391270,0ptp4l0-21swapper/412:21:404
111391270,0ptp4l0-21swapper/411:02:514
111391270,0ptp4l0-21swapper/409:27:414
111391270,0ptp4l0-21swapper/110:21:481
111391270,0ptp4l0-21swapper/109:13:361
111391270,0ptp4l0-21swapper/011:06:480
111391270,0ptp4l0-21swapper/011:04:210
111391270,0ptp4l0-21swapper/010:06:550
111391270,0ptp4l0-21swapper/009:44:110
111391270,0ptp4l0-21swapper/009:35:480
111391260,1ptp4l4599migration/410:15:004
111391260,0ptp4l0-21swapper/511:15:115
111391260,0ptp4l0-21swapper/509:16:085
111391260,0ptp4l0-21swapper/412:15:104
111391260,0ptp4l0-21swapper/412:00:344
111391260,0ptp4l0-21swapper/411:45:154
111391260,0ptp4l0-21swapper/411:11:044
111391260,0ptp4l0-21swapper/410:25:154
111391260,0ptp4l0-21swapper/409:38:324
111391260,0ptp4l0-21swapper/409:23:134
111391260,0ptp4l0-21swapper/112:27:271
111391260,0ptp4l0-21swapper/109:41:391
111391260,0ptp4l0-21swapper/012:30:530
111391260,0ptp4l0-21swapper/010:01:190
111391260,0ptp4l0-21swapper/010:01:190
111391260,0ptp4l0-21swapper/009:51:050
111391250,1ptp4l27238-21ssh11:45:560
111391250,0ptp4l0-21swapper/511:00:125
111391250,0ptp4l0-21swapper/412:34:094
111391250,0ptp4l0-21swapper/412:10:174
111391250,0ptp4l0-21swapper/411:25:144
111391250,0ptp4l0-21swapper/410:58:204
111391250,0ptp4l0-21swapper/409:55:154
111391250,0ptp4l0-21swapper/409:32:184
111391250,0ptp4l0-21swapper/408:00:114
111391250,0ptp4l0-21swapper/407:30:154
111391250,0ptp4l0-21swapper/407:17:394
111391250,0ptp4l0-21swapper/112:21:031
111391250,0ptp4l0-21swapper/111:40:431
111391250,0ptp4l0-21swapper/110:55:011
111391250,0ptp4l0-21swapper/110:17:011
111391250,0ptp4l0-21swapper/109:55:431
111391250,0ptp4l0-21swapper/109:20:171
111391250,0ptp4l0-21swapper/010:46:550
111391250,0ptp4l0-21swapper/009:45:130
111391250,0ptp4l0-21swapper/009:35:000
111391250,0ptp4l0-21swapper/008:10:140
111391240,2ptp4l12109-21sh10:40:235
111391240,2ptp4l0-21swapper/109:15:461
111391240,1ptp4l8557-21ssh09:10:070
111391240,1ptp4l2984-21timerwakeupswit08:55:190
111391240,1ptp4l21020-21memory08:25:150
111391240,1ptp4l20926-21/usr/sbin/munin10:10:130
111391240,1ptp4l12590-21users08:05:200
111391240,0ptp4l19207-21timerandwakeup08:20:204
111391240,0ptp4l0-21swapper/512:19:195
111391240,0ptp4l0-21swapper/511:20:165
111391240,0ptp4l0-21swapper/510:35:005
111391240,0ptp4l0-21swapper/510:19:575
111391240,0ptp4l0-21swapper/509:30:265
111391240,0ptp4l0-21swapper/508:24:155
111391240,0ptp4l0-21swapper/507:10:155
111391240,0ptp4l0-21swapper/411:40:094
111391240,0ptp4l0-21swapper/411:30:334
111391240,0ptp4l0-21swapper/411:18:534
111391240,0ptp4l0-21swapper/410:43:394
111391240,0ptp4l0-21swapper/409:53:024
111391240,0ptp4l0-21swapper/409:45:494
111391240,0ptp4l0-21swapper/409:17:584
111391240,0ptp4l0-21swapper/112:20:001
111391240,0ptp4l0-21swapper/111:15:501
111391240,0ptp4l0-21swapper/110:55:161
111391240,0ptp4l0-21swapper/109:50:121
111391240,0ptp4l0-21swapper/012:38:080
111391240,0ptp4l0-21swapper/012:38:080
111391240,0ptp4l0-21swapper/012:17:190
111391240,0ptp4l0-21swapper/012:13:000
111391240,0ptp4l0-21swapper/012:05:190
111391240,0ptp4l0-21swapper/011:57:350
111391240,0ptp4l0-21swapper/011:38:480
111391240,0ptp4l0-21swapper/011:21:470
111391240,0ptp4l0-21swapper/011:14:330
111391240,0ptp4l0-21swapper/008:50:130
111391240,0ptp4l0-21swapper/007:15:010
192912230,3sleep71742599cyclictest09:24:327
111391230,2ptp4l0-21swapper/009:25:380
111391230,1ptp4l5156-21find09:00:200
111391230,1ptp4l26550-21ssh11:00:351
111391230,0ptp4l32679-21ssh09:40:294
111391230,0ptp4l0-21swapper/512:35:165
111391230,0ptp4l0-21swapper/512:35:165
111391230,0ptp4l0-21swapper/512:21:175
111391230,0ptp4l0-21swapper/512:13:395
111391230,0ptp4l0-21swapper/512:00:015
111391230,0ptp4l0-21swapper/511:40:125
111391230,0ptp4l0-21swapper/511:34:335
111391230,0ptp4l0-21swapper/511:05:175
111391230,0ptp4l0-21swapper/510:22:175
111391230,0ptp4l0-21swapper/509:50:195
111391230,0ptp4l0-21swapper/509:42:275
111391230,0ptp4l0-21swapper/509:25:205
111391230,0ptp4l0-21swapper/509:20:125
111391230,0ptp4l0-21swapper/508:45:125
111391230,0ptp4l0-21swapper/508:40:125
111391230,0ptp4l0-21swapper/507:45:135
111391230,0ptp4l0-21swapper/507:20:135
111391230,0ptp4l0-21swapper/507:20:135
111391230,0ptp4l0-21swapper/411:35:214
111391230,0ptp4l0-21swapper/410:38:014
111391230,0ptp4l0-21swapper/410:05:114
111391230,0ptp4l0-21swapper/409:05:134
111391230,0ptp4l0-21swapper/409:00:204
111391230,0ptp4l0-21swapper/408:55:134
111391230,0ptp4l0-21swapper/408:50:204
111391230,0ptp4l0-21swapper/408:35:134
111391230,0ptp4l0-21swapper/408:30:164
111391230,0ptp4l0-21swapper/408:10:194
111391230,0ptp4l0-21swapper/408:05:164
111391230,0ptp4l0-21swapper/407:50:164
111391230,0ptp4l0-21swapper/407:25:154
111391230,0ptp4l0-21swapper/407:25:154
111391230,0ptp4l0-21swapper/112:13:541
111391230,0ptp4l0-21swapper/111:36:031
111391230,0ptp4l0-21swapper/111:05:201
111391230,0ptp4l0-21swapper/110:35:251
111391230,0ptp4l0-21swapper/110:30:181
111391230,0ptp4l0-21swapper/110:29:471
111391230,0ptp4l0-21swapper/109:36:091
111391230,0ptp4l0-21swapper/109:30:101
111391230,0ptp4l0-21swapper/109:25:151
111391230,0ptp4l0-21swapper/108:45:181
111391230,0ptp4l0-21swapper/108:40:131
111391230,0ptp4l0-21swapper/107:55:151
111391230,0ptp4l0-21swapper/107:20:101
111391230,0ptp4l0-21swapper/107:20:091
111391230,0ptp4l0-21swapper/012:25:120
111391230,0ptp4l0-21swapper/012:00:160
111391230,0ptp4l0-21swapper/010:50:190
111391230,0ptp4l0-21swapper/010:25:170
111391230,0ptp4l0-21swapper/010:15:010
111391230,0ptp4l0-21swapper/009:17:010
111391230,0ptp4l0-21swapper/008:35:140
111391230,0ptp4l0-21swapper/008:20:160
111391230,0ptp4l0-21swapper/007:50:150
111391230,0ptp4l0-21swapper/007:40:160
111391230,0ptp4l0-21swapper/007:35:110
111391230,0ptp4l0-21swapper/007:30:010
111391230,0ptp4l0-21swapper/007:25:140
111391230,0ptp4l0-21swapper/007:25:130
111391230,0ptp4l0-21swapper/007:25:010
111391230,0ptp4l0-21swapper/007:25:010
111391220,0ptp4l0-21swapper/512:33:385
111391220,0ptp4l0-21swapper/512:25:285
111391220,0ptp4l0-21swapper/511:57:165
111391220,0ptp4l0-21swapper/511:39:335
111391220,0ptp4l0-21swapper/511:13:415
111391220,0ptp4l0-21swapper/510:55:125
111391220,0ptp4l0-21swapper/510:53:215
111391220,0ptp4l0-21swapper/510:13:005
111391220,0ptp4l0-21swapper/510:05:015
111391220,0ptp4l0-21swapper/510:03:055
111391220,0ptp4l0-21swapper/510:03:055
111391220,0ptp4l0-21swapper/509:57:205
111391220,0ptp4l0-21swapper/508:35:215
111391220,0ptp4l0-21swapper/507:55:145
111391220,0ptp4l0-21swapper/507:20:005
111391220,0ptp4l0-21swapper/411:50:114
111391220,0ptp4l0-21swapper/407:40:124
111391220,0ptp4l0-21swapper/407:35:164
111391220,0ptp4l0-21swapper/112:35:121
111391220,0ptp4l0-21swapper/112:35:111
111391220,0ptp4l0-21swapper/112:01:191
111391220,0ptp4l0-21swapper/111:59:401
111391220,0ptp4l0-21swapper/111:53:371
111391220,0ptp4l0-21swapper/111:22:171
111391220,0ptp4l0-21swapper/110:40:171
111391220,0ptp4l0-21swapper/110:14:141
111391220,0ptp4l0-21swapper/110:07:291
111391220,0ptp4l0-21swapper/108:20:151
111391220,0ptp4l0-21swapper/108:15:111
111391220,0ptp4l0-21swapper/107:45:201
111391220,0ptp4l0-21swapper/107:10:141
111391220,0ptp4l0-21swapper/010:56:230
111391220,0ptp4l0-21swapper/010:42:060
111391220,0ptp4l0-21swapper/010:30:370
111391220,0ptp4l0-21swapper/010:20:150
111391210,2ptp4l0-21swapper/110:02:061
111391210,2ptp4l0-21swapper/110:02:061
111391210,0ptp4l20668-21if_err_enp1s008:25:134
111391210,0ptp4l0-21swapper/709:31:007
111391210,0ptp4l0-21swapper/611:14:196
111391210,0ptp4l0-21swapper/610:08:276
111391210,0ptp4l0-21swapper/608:18:316
111391210,0ptp4l0-21swapper/511:52:445
111391210,0ptp4l0-21swapper/511:25:535
111391210,0ptp4l0-21swapper/510:29:295
111391210,0ptp4l0-21swapper/509:46:275
111391210,0ptp4l0-21swapper/509:13:345
111391210,0ptp4l0-21swapper/507:38:195
111391210,0ptp4l0-21swapper/407:58:074
111391210,0ptp4l0-21swapper/407:49:484
111391210,0ptp4l0-21swapper/311:03:213
111391210,0ptp4l0-21swapper/309:10:203
111391210,0ptp4l0-21swapper/212:39:372
111391210,0ptp4l0-21swapper/212:39:372
111391210,0ptp4l0-21swapper/210:49:202
111391210,0ptp4l0-21swapper/209:56:082
111391210,0ptp4l0-21swapper/111:48:271
111391210,0ptp4l0-21swapper/111:29:261
111391210,0ptp4l0-21swapper/111:13:551
111391210,0ptp4l0-21swapper/109:46:191
111391210,0ptp4l0-21swapper/107:43:181
111391210,0ptp4l0-21swapper/009:05:120
111391210,0ptp4l0-21swapper/008:00:130
111391210,0ptp4l0-21swapper/007:45:110
111391200,0ptp4l0-21swapper/611:09:566
111391200,0ptp4l0-21swapper/610:43:486
111391200,0ptp4l0-21swapper/511:48:125
111391200,0ptp4l0-21swapper/509:06:215
111391200,0ptp4l0-21swapper/507:44:535
111391200,0ptp4l0-21swapper/408:46:084
111391200,0ptp4l0-21swapper/407:22:184
111391200,0ptp4l0-21swapper/407:22:184
111391200,0ptp4l0-21swapper/210:43:502
111391200,0ptp4l0-21swapper/210:28:052
111391200,0ptp4l0-21swapper/210:08:312
111391200,0ptp4l0-21swapper/108:08:181
111391200,0ptp4l0-21swapper/108:02:411
111391200,0ptp4l0-21swapper/107:17:061
111391200,0ptp4l0-21swapper/007:58:180
111391190,0ptp4l0-21swapper/711:31:167
111391190,0ptp4l0-21swapper/609:56:126
111391190,0ptp4l0-21swapper/609:37:106
111391190,0ptp4l0-21swapper/510:49:475
111391190,0ptp4l0-21swapper/509:36:075
111391190,0ptp4l0-21swapper/408:41:554
111391190,0ptp4l0-21swapper/407:14:444
111391190,0ptp4l0-21swapper/211:40:502
111391190,0ptp4l0-21swapper/110:46:031
111391190,0ptp4l0-21swapper/109:07:361
111391190,0ptp4l0-21swapper/008:46:080
73512180,0sleep20-21swapper/211:20:102
237142180,1sleep2321ktimersoftd/210:14:092
111391180,0ptp4l0-21swapper/512:05:285
111391180,0ptp4l0-21swapper/309:30:593
111391180,0ptp4l0-21swapper/211:14:172
111391180,0ptp4l0-21swapper/112:05:281
111391170,0ptp4l0-21swapper/709:10:227
111391170,0ptp4l0-21swapper/210:22:322
111391170,0ptp4l0-21swapper/007:10:370
294792160,0sleep20-21swapper/208:45:102
111391160,0ptp4l0-21swapper/610:22:306
111391160,0ptp4l0-21swapper/509:02:235
111391160,0ptp4l0-21swapper/508:14:075
111391160,0ptp4l0-21swapper/311:31:163
111391160,0ptp4l0-21swapper/209:37:092
111391160,0ptp4l0-21swapper/108:26:011
111391160,0ptp4l0-21swapper/107:36:531
111391160,0ptp4l0-21swapper/107:26:231
111391160,0ptp4l0-21swapper/107:26:231
17419991513,1cyclictest0-21swapper/608:45:106
17390991513,1cyclictest0-21swapper/207:15:162
111391150,0ptp4l0-21swapper/611:53:236
111391150,0ptp4l0-21swapper/609:04:526
111391150,0ptp4l0-21swapper/608:53:276
111391150,0ptp4l0-21swapper/508:56:195
111391150,0ptp4l0-21swapper/508:51:025
111391150,0ptp4l0-21swapper/508:32:325
111391150,0ptp4l0-21swapper/508:26:035
111391150,0ptp4l0-21swapper/508:09:285
111391150,0ptp4l0-21swapper/508:03:165
111391150,0ptp4l0-21swapper/507:50:565
111391150,0ptp4l0-21swapper/507:34:125
111391150,0ptp4l0-21swapper/507:27:595
111391150,0ptp4l0-21swapper/507:27:585
111391150,0ptp4l0-21swapper/408:15:504
111391150,0ptp4l0-21swapper/312:01:293
111391150,0ptp4l0-21swapper/211:53:202
111391150,0ptp4l0-21swapper/209:04:492
111391150,0ptp4l0-21swapper/208:38:492
111391150,0ptp4l0-21swapper/208:18:302
111391150,0ptp4l0-21swapper/208:00:332
111391150,0ptp4l0-21swapper/109:01:291
111391150,0ptp4l0-21swapper/108:55:061
111391150,0ptp4l0-21swapper/108:51:131
111391150,0ptp4l0-21swapper/108:32:251
111391150,0ptp4l0-21swapper/108:11:231
111391150,0ptp4l0-21swapper/107:50:471
111391150,0ptp4l0-21swapper/107:31:301
111391150,0ptp4l0-21swapper/008:40:340
111391150,0ptp4l0-21swapper/008:16:010
1739099140,1cyclictest0-21swapper/209:25:132
111391140,0ptp4l0-21swapper/707:28:047
111391140,0ptp4l0-21swapper/707:28:047
111391140,0ptp4l0-21swapper/610:49:206
111391140,0ptp4l0-21swapper/608:38:496
111391140,0ptp4l0-21swapper/608:30:296
111391140,0ptp4l0-21swapper/608:27:586
111391140,0ptp4l0-21swapper/608:10:526
111391140,0ptp4l0-21swapper/608:00:326
111391140,0ptp4l0-21swapper/607:50:006
111391140,0ptp4l0-21swapper/307:28:023
111391140,0ptp4l0-21swapper/307:28:023
111391140,0ptp4l0-21swapper/208:53:212
111391140,0ptp4l0-21swapper/208:30:292
111391140,0ptp4l0-21swapper/208:27:562
111391140,0ptp4l0-21swapper/208:10:522
111391140,0ptp4l0-21swapper/207:49:582
1742599110,10cyclictest0-21swapper/711:20:167
1741999119,1cyclictest0-21swapper/611:37:076
1741999110,10cyclictest0-21swapper/607:50:206
1742599109,0cyclictest0-21swapper/710:54:207
1742599109,0cyclictest0-21swapper/710:37:417
1742599100,9cyclictest0-21swapper/709:42:407
1742599100,0cyclictest0-21swapper/707:20:187
1742599100,0cyclictest0-21swapper/707:20:187
1741999109,0cyclictest0-21swapper/612:15:196
1741999109,0cyclictest0-21swapper/609:22:546
1741999100,9cyclictest0-21swapper/610:50:366
1741999100,9cyclictest0-21swapper/610:36:186
1741999100,9cyclictest0-21swapper/610:01:066
1741999100,9cyclictest0-21swapper/610:01:066
1741999100,9cyclictest0-21swapper/609:46:106
1739099109,0cyclictest8145-21diskmemload12:18:232
1739099109,0cyclictest0-21swapper/210:52:062
1739099109,0cyclictest0-21swapper/210:37:382
1739099100,0cyclictest0-21swapper/209:34:092
7071290,0sleep3401ktimersoftd/309:50:153
174259998,0cyclictest0-21swapper/712:37:177
174259998,0cyclictest0-21swapper/712:37:167
174259998,0cyclictest0-21swapper/712:05:137
174259998,0cyclictest0-21swapper/710:23:427
174259998,0cyclictest0-21swapper/709:59:487
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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