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2026-04-09 - 01:51

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 08, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391640,19ptp4l0-21swapper/107:07:041
135312610,2sleep3251099cyclictest08:40:193
111391600,5ptp4l0-21swapper/407:06:434
195725948,6sleep70-21swapper/707:06:297
111391590,28ptp4l0-21swapper/007:09:550
284612550,0sleep60-21swapper/609:57:366
1881915532,7phc2sys0-21swapper/507:08:185
187925534,7sleep30-21swapper/307:05:283
210925433,6sleep20-21swapper/207:08:242
198324735,7sleep60-21swapper/607:06:536
111391340,4ptp4l0-21swapper/011:50:110
111391330,0ptp4l0-21swapper/412:00:094
111391310,0ptp4l0-21swapper/010:50:100
111391300,3ptp4l0-21swapper/009:31:050
111391300,1ptp4l121rcu_preempt12:10:170
111391300,0ptp4l0-21swapper/711:23:217
111391300,0ptp4l0-21swapper/711:23:207
111391300,0ptp4l0-21swapper/412:19:074
111391300,0ptp4l0-21swapper/411:55:094
111391300,0ptp4l0-21swapper/011:55:110
111391300,0ptp4l0-21swapper/010:23:360
111391290,0ptp4l0-21swapper/410:53:184
111391290,0ptp4l0-21swapper/410:48:334
111391290,0ptp4l0-21swapper/111:34:091
111391290,0ptp4l0-21swapper/012:17:350
111391290,0ptp4l0-21swapper/011:37:160
111391290,0ptp4l0-21swapper/009:12:480
111391280,3ptp4l0-21swapper/012:08:140
111391280,3ptp4l0-21swapper/011:46:570
111391280,1ptp4l6995-21ssh10:13:160
111391280,0ptp4l0-21swapper/509:54:405
111391280,0ptp4l0-21swapper/509:42:135
111391280,0ptp4l0-21swapper/411:24:384
111391280,0ptp4l0-21swapper/411:24:384
111391280,0ptp4l0-21swapper/411:08:454
111391280,0ptp4l0-21swapper/410:27:214
111391270,2ptp4l0-21swapper/008:05:210
111391270,0ptp4l0-21swapper/710:10:077
111391270,0ptp4l0-21swapper/509:26:275
111391270,0ptp4l0-21swapper/410:00:584
111391270,0ptp4l0-21swapper/409:25:124
111391270,0ptp4l0-21swapper/111:10:151
111391270,0ptp4l0-21swapper/109:12:151
111391270,0ptp4l0-21swapper/108:40:001
111391270,0ptp4l0-21swapper/011:11:290
111391270,0ptp4l0-21swapper/010:59:050
111391270,0ptp4l0-21swapper/010:19:340
111391270,0ptp4l0-21swapper/009:51:500
111391260,7ptp4l0-21swapper/011:21:130
111391260,7ptp4l0-21swapper/011:21:120
111391260,0ptp4l0-21swapper/508:15:155
111391260,0ptp4l0-21swapper/411:26:534
111391260,0ptp4l0-21swapper/411:26:524
111391260,0ptp4l0-21swapper/411:17:384
111391260,0ptp4l0-21swapper/411:02:184
111391260,0ptp4l0-21swapper/410:21:234
111391260,0ptp4l0-21swapper/409:30:594
111391260,0ptp4l0-21swapper/408:30:204
111391260,0ptp4l0-21swapper/407:40:114
111391260,0ptp4l0-21swapper/309:22:373
111391260,0ptp4l0-21swapper/112:20:111
111391260,0ptp4l0-21swapper/010:40:070
111391260,0ptp4l0-21swapper/010:31:020
111391260,0ptp4l0-21swapper/010:26:250
111391260,0ptp4l0-21swapper/010:01:050
111391260,0ptp4l0-21swapper/009:55:320
111391250,3ptp4l0-21swapper/410:58:024
111391250,0ptp4l0-21swapper/612:29:206
111391250,0ptp4l0-21swapper/511:34:425
111391250,0ptp4l0-21swapper/511:10:195
111391250,0ptp4l0-21swapper/507:34:595
111391250,0ptp4l0-21swapper/412:29:594
111391250,0ptp4l0-21swapper/411:41:084
111391250,0ptp4l0-21swapper/410:35:134
111391250,0ptp4l0-21swapper/410:12:524
111391250,0ptp4l0-21swapper/409:50:294
111391250,0ptp4l0-21swapper/409:20:104
111391250,0ptp4l0-21swapper/409:19:514
111391250,0ptp4l0-21swapper/407:55:144
111391250,0ptp4l0-21swapper/312:26:283
111391250,0ptp4l0-21swapper/109:15:471
111391250,0ptp4l0-21swapper/012:37:400
111391250,0ptp4l0-21swapper/012:25:150
111391250,0ptp4l0-21swapper/012:23:010
111391250,0ptp4l0-21swapper/012:03:070
111391250,0ptp4l0-21swapper/010:37:220
111391250,0ptp4l0-21swapper/008:50:040
111391250,0ptp4l0-21swapper/008:25:200
111391250,0ptp4l0-21swapper/007:15:160
111391240,1ptp4l29638-21hddtemp_smartct10:45:120
111391240,0ptp4l0-21swapper/511:25:365
111391240,0ptp4l0-21swapper/511:25:365
111391240,0ptp4l0-21swapper/508:40:175
111391240,0ptp4l0-21swapper/411:55:014
111391240,0ptp4l0-21swapper/411:45:524
111391240,0ptp4l0-21swapper/410:44:164
111391240,0ptp4l0-21swapper/409:40:154
111391240,0ptp4l0-21swapper/409:35:164
111391240,0ptp4l0-21swapper/408:15:184
111391240,0ptp4l0-21swapper/407:50:204
111391240,0ptp4l0-21swapper/312:15:573
111391240,0ptp4l0-21swapper/110:17:561
111391240,0ptp4l0-21swapper/109:33:321
111391240,0ptp4l0-21swapper/109:25:091
111391240,0ptp4l0-21swapper/107:40:001
111391240,0ptp4l0-21swapper/011:19:250
111391240,0ptp4l0-21swapper/011:00:130
111391240,0ptp4l0-21swapper/009:45:200
111391240,0ptp4l0-21swapper/009:40:000
111391240,0ptp4l0-21swapper/008:38:100
111391240,0ptp4l0-21swapper/008:30:100
111391230,7ptp4l0-21swapper/407:27:134
111391230,2ptp4l0-21swapper/112:08:491
111391230,2ptp4l0-21swapper/007:37:290
111391230,1ptp4l4161-21sed11:40:150
111391230,1ptp4l27463-21find09:55:191
111391230,1ptp4l27047-21sed08:00:165
111391230,1ptp4l25629-21diskmemload10:55:011
111391230,1ptp4l24020-21cpuspeed_turbos07:55:100
111391230,1ptp4l17272-21ssh10:26:551
111391230,1ptp4l10026-21cpuspeed_turbos08:35:114
111391230,0ptp4l27143-21strings09:55:155
111391230,0ptp4l0-21swapper/512:38:055
111391230,0ptp4l0-21swapper/511:05:115
111391230,0ptp4l0-21swapper/510:30:165
111391230,0ptp4l0-21swapper/510:20:195
111391230,0ptp4l0-21swapper/510:15:155
111391230,0ptp4l0-21swapper/509:45:195
111391230,0ptp4l0-21swapper/509:30:115
111391230,0ptp4l0-21swapper/509:00:125
111391230,0ptp4l0-21swapper/508:45:195
111391230,0ptp4l0-21swapper/508:45:185
111391230,0ptp4l0-21swapper/508:10:185
111391230,0ptp4l0-21swapper/507:35:175
111391230,0ptp4l0-21swapper/507:25:195
111391230,0ptp4l0-21swapper/412:35:124
111391230,0ptp4l0-21swapper/412:30:124
111391230,0ptp4l0-21swapper/412:10:124
111391230,0ptp4l0-21swapper/411:35:134
111391230,0ptp4l0-21swapper/410:32:564
111391230,0ptp4l0-21swapper/409:55:134
111391230,0ptp4l0-21swapper/409:10:164
111391230,0ptp4l0-21swapper/409:05:194
111391230,0ptp4l0-21swapper/407:30:114
111391230,0ptp4l0-21swapper/407:20:144
111391230,0ptp4l0-21swapper/407:15:194
111391230,0ptp4l0-21swapper/112:30:161
111391230,0ptp4l0-21swapper/111:50:151
111391230,0ptp4l0-21swapper/111:43:251
111391230,0ptp4l0-21swapper/110:20:211
111391230,0ptp4l0-21swapper/110:04:131
111391230,0ptp4l0-21swapper/109:45:161
111391230,0ptp4l0-21swapper/109:00:211
111391230,0ptp4l0-21swapper/108:00:121
111391230,0ptp4l0-21swapper/107:25:121
111391230,0ptp4l0-21swapper/011:30:130
111391230,0ptp4l0-21swapper/011:25:200
111391230,0ptp4l0-21swapper/011:25:200
111391230,0ptp4l0-21swapper/010:05:150
111391230,0ptp4l0-21swapper/009:40:120
111391230,0ptp4l0-21swapper/009:25:140
111391230,0ptp4l0-21swapper/009:20:120
111391230,0ptp4l0-21swapper/009:19:560
111391230,0ptp4l0-21swapper/009:05:120
111391230,0ptp4l0-21swapper/008:00:190
111391230,0ptp4l0-21swapper/007:30:180
111391230,0ptp4l0-21swapper/007:25:110
111391230,0ptp4l0-21swapper/007:10:140
111391220,0ptp4l6069-21ssh12:29:212
111391220,0ptp4l0-21swapper/712:16:027
111391220,0ptp4l0-21swapper/711:33:257
111391220,0ptp4l0-21swapper/710:09:567
111391220,0ptp4l0-21swapper/709:23:207
111391220,0ptp4l0-21swapper/709:16:007
111391220,0ptp4l0-21swapper/709:07:287
111391220,0ptp4l0-21swapper/512:30:155
111391220,0ptp4l0-21swapper/512:20:115
111391220,0ptp4l0-21swapper/512:07:265
111391220,0ptp4l0-21swapper/512:02:005
111391220,0ptp4l0-21swapper/511:48:365
111391220,0ptp4l0-21swapper/511:35:125
111391220,0ptp4l0-21swapper/511:04:305
111391220,0ptp4l0-21swapper/510:25:205
111391220,0ptp4l0-21swapper/510:14:475
111391220,0ptp4l0-21swapper/510:01:555
111391220,0ptp4l0-21swapper/509:36:155
111391220,0ptp4l0-21swapper/509:15:125
111391220,0ptp4l0-21swapper/509:12:115
111391220,0ptp4l0-21swapper/508:55:165
111391220,0ptp4l0-21swapper/507:55:005
111391220,0ptp4l0-21swapper/412:24:134
111391220,0ptp4l0-21swapper/412:05:144
111391220,0ptp4l0-21swapper/411:30:174
111391220,0ptp4l0-21swapper/411:10:334
111391220,0ptp4l0-21swapper/410:15:104
111391220,0ptp4l0-21swapper/410:05:174
111391220,0ptp4l0-21swapper/409:45:144
111391220,0ptp4l0-21swapper/408:55:004
111391220,0ptp4l0-21swapper/408:50:134
111391220,0ptp4l0-21swapper/408:45:174
111391220,0ptp4l0-21swapper/408:45:164
111391220,0ptp4l0-21swapper/408:25:144
111391220,0ptp4l0-21swapper/408:10:004
111391220,0ptp4l0-21swapper/408:05:204
111391220,0ptp4l0-21swapper/408:00:104
111391220,0ptp4l0-21swapper/407:45:194
111391220,0ptp4l0-21swapper/407:10:144
111391220,0ptp4l0-21swapper/311:28:273
111391220,0ptp4l0-21swapper/311:28:273
111391220,0ptp4l0-21swapper/310:10:103
111391220,0ptp4l0-21swapper/309:16:143
111391220,0ptp4l0-21swapper/211:46:512
111391220,0ptp4l0-21swapper/112:38:411
111391220,0ptp4l0-21swapper/112:19:281
111391220,0ptp4l0-21swapper/112:12:171
111391220,0ptp4l0-21swapper/111:58:131
111391220,0ptp4l0-21swapper/111:45:151
111391220,0ptp4l0-21swapper/111:27:281
111391220,0ptp4l0-21swapper/111:27:271
111391220,0ptp4l0-21swapper/111:05:111
111391220,0ptp4l0-21swapper/111:01:151
111391220,0ptp4l0-21swapper/110:54:151
111391220,0ptp4l0-21swapper/110:30:141
111391220,0ptp4l0-21swapper/110:14:591
111391220,0ptp4l0-21swapper/109:35:221
111391220,0ptp4l0-21swapper/109:10:001
111391220,0ptp4l0-21swapper/108:55:171
111391220,0ptp4l0-21swapper/108:45:131
111391220,0ptp4l0-21swapper/108:45:131
111391220,0ptp4l0-21swapper/108:40:161
111391220,0ptp4l0-21swapper/107:55:151
111391220,0ptp4l0-21swapper/107:45:111
111391220,0ptp4l0-21swapper/107:44:591
111391220,0ptp4l0-21swapper/012:30:120
111391220,0ptp4l0-21swapper/011:05:250
111391220,0ptp4l0-21swapper/008:55:120
111391220,0ptp4l0-21swapper/008:40:180
111391220,0ptp4l0-21swapper/008:15:110
111391220,0ptp4l0-21swapper/008:11:570
111391220,0ptp4l0-21swapper/007:50:110
111391220,0ptp4l0-21swapper/007:45:180
111391220,0ptp4l0-21swapper/007:40:140
111391220,0ptp4l0-21swapper/007:20:110
111391210,0ptp4l0-21swapper/611:30:316
111391210,0ptp4l0-21swapper/512:15:075
111391210,0ptp4l0-21swapper/512:13:265
111391210,0ptp4l0-21swapper/511:55:345
111391210,0ptp4l0-21swapper/511:50:145
111391210,0ptp4l0-21swapper/511:42:425
111391210,0ptp4l0-21swapper/511:22:245
111391210,0ptp4l0-21swapper/511:22:235
111391210,0ptp4l0-21swapper/510:57:045
111391210,0ptp4l0-21swapper/510:52:185
111391210,0ptp4l0-21swapper/510:46:155
111391210,0ptp4l0-21swapper/510:35:275
111391210,0ptp4l0-21swapper/508:25:025
111391210,0ptp4l0-21swapper/508:20:015
111391210,0ptp4l0-21swapper/507:45:015
111391210,0ptp4l0-21swapper/409:00:544
111391210,0ptp4l0-21swapper/408:40:194
111391210,0ptp4l0-21swapper/407:37:124
111391210,0ptp4l0-21swapper/311:32:553
111391210,0ptp4l0-21swapper/310:26:203
111391210,0ptp4l0-21swapper/310:09:153
111391210,0ptp4l0-21swapper/309:08:153
111391210,0ptp4l0-21swapper/112:00:051
111391210,0ptp4l0-21swapper/111:21:591
111391210,0ptp4l0-21swapper/111:21:591
111391210,0ptp4l0-21swapper/110:48:171
111391210,0ptp4l0-21swapper/110:38:091
111391210,0ptp4l0-21swapper/108:21:321
111391210,0ptp4l0-21swapper/108:15:171
111391210,0ptp4l0-21swapper/108:10:141
111391200,1ptp4l1061-21snmpd12:26:485
111391200,0ptp4l0-21swapper/712:26:307
111391200,0ptp4l0-21swapper/711:28:327
111391200,0ptp4l0-21swapper/711:28:317
111391200,0ptp4l0-21swapper/611:37:596
111391200,0ptp4l0-21swapper/608:44:276
111391200,0ptp4l0-21swapper/511:15:325
111391200,0ptp4l0-21swapper/510:40:485
111391200,0ptp4l0-21swapper/509:07:145
111391200,0ptp4l0-21swapper/210:53:252
111391200,0ptp4l0-21swapper/209:24:272
111391200,0ptp4l0-21swapper/209:19:022
111391200,0ptp4l0-21swapper/112:26:381
111391200,0ptp4l0-21swapper/110:41:351
111391200,0ptp4l0-21swapper/109:50:021
111391200,0ptp4l0-21swapper/109:42:191
111391200,0ptp4l0-21swapper/108:26:271
111391200,0ptp4l0-21swapper/108:07:041
111391200,0ptp4l0-21swapper/107:54:211
111391200,0ptp4l0-21swapper/009:00:270
111391200,0ptp4l0-21swapper/008:45:180
111391200,0ptp4l0-21swapper/008:45:170
111391200,0ptp4l0-21swapper/008:21:280
111391190,0ptp4l0-21swapper/610:53:266
111391190,0ptp4l0-21swapper/510:06:495
111391190,0ptp4l0-21swapper/310:49:073
111391190,0ptp4l0-21swapper/211:30:232
111391190,0ptp4l0-21swapper/207:55:282
111391190,0ptp4l0-21swapper/111:35:031
111391190,0ptp4l0-21swapper/111:15:221
111391190,0ptp4l0-21swapper/110:06:511
111391190,0ptp4l0-21swapper/107:11:471
111391180,0ptp4l0-21swapper/509:20:245
111391180,0ptp4l0-21swapper/212:37:132
111391180,0ptp4l0-21swapper/109:21:381
111391180,0ptp4l0-21swapper/107:33:211
147332170,1sleep614736-21cpuspeed_turbos08:45:106
147332170,1sleep614736-21cpuspeed_turbos08:45:106
111391170,0ptp4l0-21swapper/710:49:077
111391170,0ptp4l0-21swapper/612:37:136
111391170,0ptp4l0-21swapper/611:46:526
111391170,0ptp4l0-21swapper/609:39:166
111391170,0ptp4l0-21swapper/609:24:286
111391170,0ptp4l0-21swapper/508:32:585
111391170,0ptp4l0-21swapper/211:37:552
111391170,0ptp4l0-21swapper/107:17:411
111391160,0ptp4l0-21swapper/508:37:545
111391160,0ptp4l0-21swapper/507:22:385
111391160,0ptp4l0-21swapper/408:21:084
111391160,0ptp4l0-21swapper/311:23:213
111391160,0ptp4l0-21swapper/311:23:203
111391160,0ptp4l0-21swapper/207:43:502
111391160,0ptp4l0-21swapper/108:34:451
111391160,0ptp4l0-21swapper/107:21:501
111391150,0ptp4l33-21ksoftirqd/208:43:002
111391150,0ptp4l0-21swapper/708:11:037
111391150,0ptp4l0-21swapper/707:39:067
111391150,0ptp4l0-21swapper/609:19:046
111391150,0ptp4l0-21swapper/607:55:256
111391150,0ptp4l0-21swapper/508:06:265
111391150,0ptp4l0-21swapper/507:51:455
111391150,0ptp4l0-21swapper/507:40:025
111391150,0ptp4l0-21swapper/507:17:405
111391150,0ptp4l0-21swapper/507:11:455
111391150,0ptp4l0-21swapper/308:11:013
111391150,0ptp4l0-21swapper/307:39:073
111391150,0ptp4l0-21swapper/209:04:472
111391140,0ptp4l0-21swapper/609:04:456
111391140,0ptp4l0-21swapper/607:43:576
111391140,0ptp4l0-21swapper/208:04:032
2530991210,1cyclictest0-21swapper/607:32:056
253099119,1cyclictest0-21swapper/611:55:146
253099100,0cyclictest0-21swapper/607:10:186
251099100,9cyclictest0-21swapper/312:38:383
251099100,9cyclictest0-21swapper/312:08:563
251099100,9cyclictest0-21swapper/312:00:543
251099100,9cyclictest0-21swapper/310:15:273
251099100,9cyclictest0-21swapper/308:25:173
250399100,9cyclictest0-21swapper/212:12:132
25109990,0cyclictest0-21swapper/311:41:453
25109990,0cyclictest0-21swapper/310:51:553
25039990,8cyclictest0-21swapper/212:04:592
25039990,0cyclictest0-21swapper/210:36:302
24969998,0cyclictest0-21swapper/108:50:201
25389980,7cyclictest0-21swapper/711:41:097
25389980,7cyclictest0-21swapper/711:07:597
25389980,0cyclictest0-21swapper/708:40:157
25309986,1cyclictest2320-21ssh12:23:326
25309980,7cyclictest0-21swapper/612:32:476
25309980,7cyclictest0-21swapper/612:09:226
25309980,7cyclictest0-21swapper/612:02:476
25309980,7cyclictest0-21swapper/610:34:566
25039987,0cyclictest0-21swapper/211:21:082
25039987,0cyclictest0-21swapper/211:21:072
25039987,0cyclictest0-21swapper/210:55:392
25039980,0cyclictest0-21swapper/211:29:562
25039980,0cyclictest0-21swapper/211:29:552
25039980,0cyclictest0-21swapper/211:11:422
25389975,1cyclictest8744-21if_enp0s2509:30:127
25389975,1cyclictest5902-21fw_conntrack07:15:137
25389975,1cyclictest25629-21diskmemload12:38:047
25389975,1cyclictest10774-21/usr/sbin/munin11:50:157
25389974,2cyclictest9080-21sh11:46:207
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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