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2026-04-29 - 15:20

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 Apr 29, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1881917049,15phc2sys0-21swapper/107:05:221
111391640,5ptp4l0-21swapper/507:09:565
111391610,30ptp4l0-21swapper/007:06:050
3151225949,6sleep70-21swapper/707:09:087
111391570,5ptp4l0-21swapper/407:07:394
143532560,0sleep3401ktimersoftd/312:31:203
3144425339,11sleep30-21swapper/307:08:163
111391520,5ptp4l0-21swapper/207:06:012
3152924837,6sleep60-21swapper/607:09:246
111391330,1ptp4l17956-21fw_packets09:45:135
111391330,0ptp4l0-21swapper/412:23:054
111391320,0ptp4l0-21swapper/511:10:155
111391320,0ptp4l0-21swapper/510:16:295
111391320,0ptp4l0-21swapper/411:41:154
111391320,0ptp4l0-21swapper/407:35:134
111391320,0ptp4l0-21swapper/407:35:124
111391310,0ptp4l0-21swapper/709:23:277
111391310,0ptp4l0-21swapper/410:21:324
111391310,0ptp4l0-21swapper/111:40:191
111391310,0ptp4l0-21swapper/108:40:181
111391300,0ptp4l0-21swapper/612:17:256
111391300,0ptp4l0-21swapper/412:34:214
111391300,0ptp4l0-21swapper/412:07:054
111391300,0ptp4l0-21swapper/411:47:214
111391300,0ptp4l0-21swapper/411:14:344
111391300,0ptp4l0-21swapper/410:00:054
111391300,0ptp4l0-21swapper/112:16:401
111391300,0ptp4l0-21swapper/110:04:071
111391300,0ptp4l0-21swapper/012:04:320
111391290,0ptp4l0-21swapper/511:55:195
111391290,0ptp4l0-21swapper/411:35:154
111391290,0ptp4l0-21swapper/410:42:554
111391290,0ptp4l0-21swapper/409:35:174
111391290,0ptp4l0-21swapper/409:25:534
111391290,0ptp4l0-21swapper/409:13:214
111391290,0ptp4l0-21swapper/408:20:154
111391290,0ptp4l0-21swapper/110:48:151
111391290,0ptp4l0-21swapper/109:17:131
111391290,0ptp4l0-21swapper/011:55:360
111391290,0ptp4l0-21swapper/011:52:330
111391290,0ptp4l0-21swapper/011:44:420
111391290,0ptp4l0-21swapper/010:25:130
111391290,0ptp4l0-21swapper/009:54:270
111391280,0ptp4l0-21swapper/510:03:055
111391280,0ptp4l0-21swapper/508:10:125
111391280,0ptp4l0-21swapper/411:54:304
111391280,0ptp4l0-21swapper/410:33:204
111391280,0ptp4l0-21swapper/409:50:444
111391280,0ptp4l0-21swapper/409:42:024
111391280,0ptp4l0-21swapper/409:00:124
111391280,0ptp4l0-21swapper/408:20:014
111391280,0ptp4l0-21swapper/312:15:133
111391280,0ptp4l0-21swapper/012:22:480
111391270,2ptp4l0-21swapper/110:28:091
111391270,0ptp4l0-21swapper/411:18:464
111391270,0ptp4l0-21swapper/407:20:174
111391270,0ptp4l0-21swapper/112:28:131
111391270,0ptp4l0-21swapper/112:01:281
111391270,0ptp4l0-21swapper/110:15:511
111391270,0ptp4l0-21swapper/109:11:491
111391270,0ptp4l0-21swapper/012:18:240
111391270,0ptp4l0-21swapper/012:14:020
111391270,0ptp4l0-21swapper/011:37:010
111391270,0ptp4l0-21swapper/010:51:550
111391270,0ptp4l0-21swapper/010:37:060
111391270,0ptp4l0-21swapper/010:17:540
111391270,0ptp4l0-21swapper/009:13:200
111391270,0ptp4l0-21swapper/008:00:130
111391260,0ptp4l121rcu_preempt10:45:150
111391260,0ptp4l0-21swapper/611:51:286
111391260,0ptp4l0-21swapper/512:18:195
111391260,0ptp4l0-21swapper/510:20:155
111391260,0ptp4l0-21swapper/510:10:435
111391260,0ptp4l0-21swapper/510:10:425
111391260,0ptp4l0-21swapper/509:35:215
111391260,0ptp4l0-21swapper/412:37:244
111391260,0ptp4l0-21swapper/411:25:334
111391260,0ptp4l0-21swapper/410:48:504
111391260,0ptp4l0-21swapper/410:29:494
111391260,0ptp4l0-21swapper/409:58:314
111391260,0ptp4l0-21swapper/409:47:424
111391260,0ptp4l0-21swapper/408:36:044
111391260,0ptp4l0-21swapper/408:00:144
111391260,0ptp4l0-21swapper/012:26:070
111391260,0ptp4l0-21swapper/011:33:240
111391260,0ptp4l0-21swapper/010:32:410
111391260,0ptp4l0-21swapper/007:32:010
111391260,0ptp4l0-21swapper/007:32:000
111391250,3ptp4l101ktimersoftd/011:22:030
111391250,1ptp4l19029-21irqstats09:00:151
111391250,1ptp4l17474-21diskstats11:10:111
111391250,0ptp4l0-21swapper/711:58:127
111391250,0ptp4l0-21swapper/511:29:255
111391250,0ptp4l0-21swapper/511:03:255
111391250,0ptp4l0-21swapper/508:40:185
111391250,0ptp4l0-21swapper/507:25:005
111391250,0ptp4l0-21swapper/411:30:114
111391250,0ptp4l0-21swapper/410:37:344
111391250,0ptp4l0-21swapper/111:25:151
111391250,0ptp4l0-21swapper/110:58:551
111391250,0ptp4l0-21swapper/110:05:481
111391250,0ptp4l0-21swapper/109:31:001
111391250,0ptp4l0-21swapper/011:12:560
111391250,0ptp4l0-21swapper/010:22:570
111391250,0ptp4l0-21swapper/009:57:180
111391250,0ptp4l0-21swapper/009:43:020
111391250,0ptp4l0-21swapper/009:02:570
111391250,0ptp4l0-21swapper/007:35:110
111391250,0ptp4l0-21swapper/007:35:110
111391250,0ptp4l0-21swapper/007:20:180
111391250,0ptp4l0-21swapper/007:15:200
111391240,1ptp4l5122-21users11:35:221
111391240,1ptp4l31276-21users12:10:204
111391240,1ptp4l31218-21cpuspeed_turbos09:20:125
111391240,1ptp4l21896-21sed09:05:181
111391240,1ptp4l16169-21cpuspeed_turbos08:55:121
111391240,0ptp4l0-21swapper/709:25:127
111391240,0ptp4l0-21swapper/511:35:495
111391240,0ptp4l0-21swapper/510:46:055
111391240,0ptp4l0-21swapper/510:32:075
111391240,0ptp4l0-21swapper/509:27:025
111391240,0ptp4l0-21swapper/509:16:555
111391240,0ptp4l0-21swapper/411:20:074
111391240,0ptp4l0-21swapper/411:05:114
111391240,0ptp4l0-21swapper/409:17:564
111391240,0ptp4l0-21swapper/407:40:134
111391240,0ptp4l0-21swapper/407:15:204
111391240,0ptp4l0-21swapper/309:25:143
111391240,0ptp4l0-21swapper/111:59:391
111391240,0ptp4l0-21swapper/111:05:451
111391240,0ptp4l0-21swapper/109:44:431
111391240,0ptp4l0-21swapper/107:25:211
111391240,0ptp4l0-21swapper/107:10:121
111391240,0ptp4l0-21swapper/011:44:590
111391240,0ptp4l0-21swapper/011:08:570
111391240,0ptp4l0-21swapper/011:01:520
111391240,0ptp4l0-21swapper/010:42:270
111391240,0ptp4l0-21swapper/010:00:170
111391240,0ptp4l0-21swapper/009:39:350
111391240,0ptp4l0-21swapper/007:45:200
111391230,1ptp4l9-21ksoftirqd/011:26:340
111391230,1ptp4l7467-21sed09:30:190
111391230,1ptp4l22596-21diskmemload10:56:573
111391230,1ptp4l10222-21latency07:30:144
111391230,1ptp4l10222-21latency07:30:134
111391230,0ptp4l0-21swapper/609:10:156
111391230,0ptp4l0-21swapper/512:35:125
111391230,0ptp4l0-21swapper/512:25:045
111391230,0ptp4l0-21swapper/512:14:585
111391230,0ptp4l0-21swapper/512:00:115
111391230,0ptp4l0-21swapper/511:54:055
111391230,0ptp4l0-21swapper/511:44:055
111391230,0ptp4l0-21swapper/511:05:055
111391230,0ptp4l0-21swapper/510:28:375
111391230,0ptp4l0-21swapper/509:40:155
111391230,0ptp4l0-21swapper/509:30:145
111391230,0ptp4l0-21swapper/509:10:185
111391230,0ptp4l0-21swapper/509:00:145
111391230,0ptp4l0-21swapper/508:55:135
111391230,0ptp4l0-21swapper/508:45:105
111391230,0ptp4l0-21swapper/507:50:115
111391230,0ptp4l0-21swapper/507:35:095
111391230,0ptp4l0-21swapper/507:35:085
111391230,0ptp4l0-21swapper/507:25:135
111391230,0ptp4l0-21swapper/507:20:005
111391230,0ptp4l0-21swapper/412:26:064
111391230,0ptp4l0-21swapper/412:19:254
111391230,0ptp4l0-21swapper/412:03:324
111391230,0ptp4l0-21swapper/410:57:124
111391230,0ptp4l0-21swapper/410:50:094
111391230,0ptp4l0-21swapper/410:12:574
111391230,0ptp4l0-21swapper/410:12:574
111391230,0ptp4l0-21swapper/409:33:374
111391230,0ptp4l0-21swapper/409:20:174
111391230,0ptp4l0-21swapper/409:05:114
111391230,0ptp4l0-21swapper/408:55:004
111391230,0ptp4l0-21swapper/408:45:194
111391230,0ptp4l0-21swapper/408:30:134
111391230,0ptp4l0-21swapper/408:25:124
111391230,0ptp4l0-21swapper/408:15:004
111391230,0ptp4l0-21swapper/408:05:024
111391230,0ptp4l0-21swapper/407:55:204
111391230,0ptp4l0-21swapper/407:45:114
111391230,0ptp4l0-21swapper/312:22:333
111391230,0ptp4l0-21swapper/309:32:133
111391230,0ptp4l0-21swapper/209:10:162
111391230,0ptp4l0-21swapper/112:35:111
111391230,0ptp4l0-21swapper/112:24:231
111391230,0ptp4l0-21swapper/112:08:281
111391230,0ptp4l0-21swapper/111:04:591
111391230,0ptp4l0-21swapper/110:35:101
111391230,0ptp4l0-21swapper/110:20:151
111391230,0ptp4l0-21swapper/110:10:141
111391230,0ptp4l0-21swapper/110:10:141
111391230,0ptp4l0-21swapper/109:55:141
111391230,0ptp4l0-21swapper/109:45:041
111391230,0ptp4l0-21swapper/109:28:361
111391230,0ptp4l0-21swapper/108:50:141
111391230,0ptp4l0-21swapper/108:45:131
111391230,0ptp4l0-21swapper/108:05:151
111391230,0ptp4l0-21swapper/107:50:181
111391230,0ptp4l0-21swapper/107:35:011
111391230,0ptp4l0-21swapper/107:35:001
111391230,0ptp4l0-21swapper/012:38:390
111391230,0ptp4l0-21swapper/012:05:130
111391230,0ptp4l0-21swapper/011:16:200
111391230,0ptp4l0-21swapper/009:26:030
111391230,0ptp4l0-21swapper/009:20:020
111391230,0ptp4l0-21swapper/009:15:150
111391230,0ptp4l0-21swapper/008:45:200
111391230,0ptp4l0-21swapper/008:30:180
111391230,0ptp4l0-21swapper/008:20:100
111391230,0ptp4l0-21swapper/008:15:120
111391230,0ptp4l0-21swapper/008:12:020
111391230,0ptp4l0-21swapper/007:55:190
111391220,2ptp4l0-21swapper/007:12:350
111391220,0ptp4l0-21swapper/712:15:127
111391220,0ptp4l0-21swapper/710:56:477
111391220,0ptp4l0-21swapper/709:31:127
111391220,0ptp4l0-21swapper/707:57:447
111391220,0ptp4l0-21swapper/512:31:285
111391220,0ptp4l0-21swapper/512:24:415
111391220,0ptp4l0-21swapper/512:05:235
111391220,0ptp4l0-21swapper/511:46:275
111391220,0ptp4l0-21swapper/511:16:335
111391220,0ptp4l0-21swapper/510:55:205
111391220,0ptp4l0-21swapper/510:53:395
111391220,0ptp4l0-21swapper/510:35:115
111391220,0ptp4l0-21swapper/510:05:155
111391220,0ptp4l0-21swapper/509:53:375
111391220,0ptp4l0-21swapper/509:05:195
111391220,0ptp4l0-21swapper/508:50:135
111391220,0ptp4l0-21swapper/508:40:005
111391220,0ptp4l0-21swapper/508:17:455
111391220,0ptp4l0-21swapper/508:05:175
111391220,0ptp4l0-21swapper/507:10:115
111391220,0ptp4l0-21swapper/411:56:054
111391220,0ptp4l0-21swapper/411:01:314
111391220,0ptp4l0-21swapper/410:17:124
111391220,0ptp4l0-21swapper/410:06:524
111391220,0ptp4l0-21swapper/309:23:053
111391220,0ptp4l0-21swapper/212:21:382
111391220,0ptp4l0-21swapper/209:34:442
111391220,0ptp4l0-21swapper/112:30:051
111391220,0ptp4l0-21swapper/112:10:081
111391220,0ptp4l0-21swapper/111:51:141
111391220,0ptp4l0-21swapper/111:46:541
111391220,0ptp4l0-21swapper/111:31:591
111391220,0ptp4l0-21swapper/110:53:551
111391220,0ptp4l0-21swapper/110:40:301
111391220,0ptp4l0-21swapper/110:30:301
111391220,0ptp4l0-21swapper/109:53:361
111391220,0ptp4l0-21swapper/109:20:161
111391220,0ptp4l0-21swapper/108:29:081
111391220,0ptp4l0-21swapper/108:17:061
111391220,0ptp4l0-21swapper/108:10:111
111391220,0ptp4l0-21swapper/108:00:181
111391220,0ptp4l0-21swapper/107:55:011
111391220,0ptp4l0-21swapper/107:20:131
111391220,0ptp4l0-21swapper/012:30:100
111391220,0ptp4l0-21swapper/010:59:580
111391220,0ptp4l0-21swapper/010:10:210
111391220,0ptp4l0-21swapper/010:10:210
111391220,0ptp4l0-21swapper/010:06:570
111391220,0ptp4l0-21swapper/009:45:330
111391220,0ptp4l0-21swapper/009:05:110
111391220,0ptp4l0-21swapper/008:35:120
111391220,0ptp4l0-21swapper/008:25:100
111391220,0ptp4l0-21swapper/008:05:010
111391220,0ptp4l0-21swapper/007:40:140
111391210,0ptp4l0-21swapper/712:22:267
111391210,0ptp4l0-21swapper/711:04:317
111391210,0ptp4l0-21swapper/710:36:037
111391210,0ptp4l0-21swapper/609:34:466
111391210,0ptp4l0-21swapper/511:31:085
111391210,0ptp4l0-21swapper/511:21:145
111391210,0ptp4l0-21swapper/509:58:085
111391210,0ptp4l0-21swapper/508:20:365
111391210,0ptp4l0-21swapper/408:42:384
111391210,0ptp4l0-21swapper/407:52:414
111391210,0ptp4l0-21swapper/311:58:093
111391210,0ptp4l0-21swapper/311:04:293
111391210,0ptp4l0-21swapper/309:09:023
111391210,0ptp4l0-21swapper/209:26:072
111391210,0ptp4l0-21swapper/111:23:231
111391210,0ptp4l0-21swapper/111:16:301
111391210,0ptp4l0-21swapper/109:37:351
111391210,0ptp4l0-21swapper/108:21:011
111391210,0ptp4l0-21swapper/107:36:581
111391210,0ptp4l0-21swapper/107:36:571
111391210,0ptp4l0-21swapper/107:16:461
111391210,0ptp4l0-21swapper/008:59:170
111391210,0ptp4l0-21swapper/008:54:220
111391210,0ptp4l0-21swapper/008:42:570
111391210,0ptp4l0-21swapper/007:27:100
111391200,0ptp4l0-21swapper/709:09:057
111391200,0ptp4l0-21swapper/612:21:396
111391200,0ptp4l0-21swapper/510:40:435
111391200,0ptp4l0-21swapper/507:41:595
111391200,0ptp4l0-21swapper/408:59:034
111391200,0ptp4l0-21swapper/407:27:014
111391200,0ptp4l0-21swapper/407:14:054
111391200,0ptp4l0-21swapper/310:36:053
111391200,0ptp4l0-21swapper/211:51:262
111391200,0ptp4l0-21swapper/208:54:032
111391200,0ptp4l0-21swapper/007:51:050
111391190,0ptp4l0-21swapper/611:36:076
111391190,0ptp4l0-21swapper/508:29:095
111391190,0ptp4l0-21swapper/108:39:561
111391190,0ptp4l0-21swapper/108:34:051
111391190,0ptp4l0-21swapper/107:42:021
111391180,0ptp4l0-21swapper/508:00:205
111391180,0ptp4l0-21swapper/307:57:313
65582170,0sleep50-21swapper/508:35:005
111391170,0ptp4l0-21swapper/610:27:156
111391170,0ptp4l0-21swapper/507:58:475
111391170,0ptp4l0-21swapper/210:27:162
111391170,0ptp4l0-21swapper/208:36:312
111391170,0ptp4l0-21swapper/107:49:091
111391160,0ptp4l0-21swapper/507:31:075
111391160,0ptp4l0-21swapper/507:31:075
111391160,0ptp4l0-21swapper/311:36:013
111391150,0ptp4l0-21swapper/707:34:487
111391150,0ptp4l0-21swapper/707:34:487
111391150,0ptp4l0-21swapper/609:01:526
111391150,0ptp4l0-21swapper/608:54:026
111391150,0ptp4l0-21swapper/608:42:146
111391150,0ptp4l0-21swapper/608:18:166
111391150,0ptp4l0-21swapper/608:00:566
111391150,0ptp4l0-21swapper/607:49:506
111391150,0ptp4l0-21swapper/607:29:166
111391150,0ptp4l0-21swapper/507:46:185
111391150,0ptp4l0-21swapper/307:34:473
111391150,0ptp4l0-21swapper/307:34:463
111391150,0ptp4l0-21swapper/208:42:162
111391150,0ptp4l0-21swapper/208:18:232
111391150,0ptp4l0-21swapper/207:45:402
111391140,0ptp4l0-21swapper/608:45:306
111391140,0ptp4l0-21swapper/212:17:242
111391140,0ptp4l0-21swapper/211:36:082
111391140,0ptp4l0-21swapper/209:01:512
111391140,0ptp4l0-21swapper/208:45:302
111391140,0ptp4l0-21swapper/208:00:562
111391140,0ptp4l0-21swapper/207:29:132
3186399139,3cyclictest12153-21irqstats08:45:153
3185699120,1cyclictest0-21swapper/211:30:192
3189299110,10cyclictest0-21swapper/708:25:137
3186399119,1cyclictest0-21swapper/311:54:083
3186399119,1cyclictest0-21swapper/310:50:013
3186399110,10cyclictest0-21swapper/311:12:013
3185699110,1cyclictest0-21swapper/211:30:002
3189299109,0cyclictest0-21swapper/711:10:057
3189299109,0cyclictest0-21swapper/709:11:457
3189299100,9cyclictest0-21swapper/712:27:147
3189299100,9cyclictest0-21swapper/711:54:347
3189299100,9cyclictest0-21swapper/711:09:457
3189299100,9cyclictest0-21swapper/710:46:217
3189299100,9cyclictest0-21swapper/710:23:447
3189299100,9cyclictest0-21swapper/710:01:067
3189299100,1cyclictest0-21swapper/712:14:257
3188499100,9cyclictest0-21swapper/612:03:376
3188499100,9cyclictest0-21swapper/610:23:126
3188499100,0cyclictest0-21swapper/612:30:206
3188499100,0cyclictest0-21swapper/611:33:366
3188499100,0cyclictest0-21swapper/609:40:186
3186399109,0cyclictest0-21swapper/312:25:153
3186399109,0cyclictest0-21swapper/310:27:323
3186399109,0cyclictest0-21swapper/308:55:173
3186399100,9cyclictest0-21swapper/309:41:013
3186399100,0cyclictest0-21swapper/309:16:493
3185699107,2cyclictest20533-21latency_hist07:55:012
318929998,0cyclictest0-21swapper/708:52:057
318929997,1cyclictest0-21swapper/711:45:117
318849998,0cyclictest0-21swapper/610:42:326
318849998,0cyclictest0-21swapper/609:19:146
318849990,0cyclictest0-21swapper/611:02:486
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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