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2026-04-01 - 15:10

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 01, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,28ptp4l0-21swapper/107:06:131
111391620,28ptp4l0-21swapper/007:05:320
327052570,0sleep70-21swapper/711:55:017
1827425343,6sleep70-21swapper/707:05:127
111391510,5ptp4l0-21swapper/507:08:475
111391510,5ptp4l0-21swapper/407:05:464
2010925040,6sleep20-21swapper/207:09:082
1988624736,7sleep30-21swapper/307:06:203
111391450,5ptp4l0-21swapper/607:05:176
111391330,0ptp4l0-21swapper/510:37:355
111391330,0ptp4l0-21swapper/510:37:345
111391330,0ptp4l0-21swapper/410:05:184
111391320,0ptp4l0-21swapper/512:14:225
111391320,0ptp4l0-21swapper/511:24:255
111391320,0ptp4l0-21swapper/410:03:024
111391320,0ptp4l0-21swapper/409:55:204
111391320,0ptp4l0-21swapper/409:50:214
111391310,0ptp4l0-21swapper/111:54:451
111391310,0ptp4l0-21swapper/109:25:101
111391310,0ptp4l0-21swapper/107:10:201
111391300,0ptp4l0-21swapper/412:10:574
111391300,0ptp4l0-21swapper/411:37:134
111391300,0ptp4l0-21swapper/109:45:321
111391300,0ptp4l0-21swapper/012:38:000
111391290,3ptp4l0-21swapper/410:25:394
111391290,0ptp4l0-21swapper/509:33:545
111391290,0ptp4l0-21swapper/410:58:134
111391290,0ptp4l0-21swapper/410:23:554
111391290,0ptp4l0-21swapper/409:40:194
111391290,0ptp4l0-21swapper/409:26:044
111391290,0ptp4l0-21swapper/111:28:471
111391290,0ptp4l0-21swapper/007:45:180
111391280,0ptp4l0-21swapper/712:34:447
111391280,0ptp4l0-21swapper/510:01:085
111391280,0ptp4l0-21swapper/509:50:185
111391280,0ptp4l0-21swapper/111:57:011
111391280,0ptp4l0-21swapper/011:26:150
111391280,0ptp4l0-21swapper/009:57:310
111391270,0ptp4l0-21swapper/709:12:317
111391270,0ptp4l0-21swapper/512:09:125
111391270,0ptp4l0-21swapper/410:44:414
111391270,0ptp4l0-21swapper/410:44:404
111391270,0ptp4l0-21swapper/410:34:514
111391270,0ptp4l0-21swapper/111:05:161
111391270,0ptp4l0-21swapper/107:50:111
111391270,0ptp4l0-21swapper/010:37:450
111391270,0ptp4l0-21swapper/010:37:440
111391270,0ptp4l0-21swapper/010:07:250
111391260,2ptp4l0-21swapper/409:14:324
111391260,1ptp4l9905-21ssh12:07:364
111391260,1ptp4l28482-21ssh10:17:250
111391260,1ptp4l13368-21ssh10:40:301
111391260,1ptp4l13368-21ssh10:40:291
111391260,1ptp4l11202-21diskmemload12:24:060
111391260,1ptp4l1068-21runrttasks11:45:510
111391260,1ptp4l0-21swapper/411:10:554
111391260,1ptp4l0-21swapper/112:25:151
111391260,0ptp4l0-21swapper/612:36:236
111391260,0ptp4l0-21swapper/412:23:484
111391260,0ptp4l0-21swapper/411:41:124
111391260,0ptp4l0-21swapper/410:36:044
111391260,0ptp4l0-21swapper/410:36:044
111391260,0ptp4l0-21swapper/112:35:381
111391260,0ptp4l0-21swapper/112:06:211
111391260,0ptp4l0-21swapper/110:30:091
111391260,0ptp4l0-21swapper/109:19:061
111391260,0ptp4l0-21swapper/012:00:000
111391260,0ptp4l0-21swapper/011:32:260
111391260,0ptp4l0-21swapper/010:52:280
111391250,3ptp4l0-21swapper/110:38:421
111391250,3ptp4l0-21swapper/110:38:411
111391250,1ptp4l2704-21hddtemp_smartct08:50:134
111391250,1ptp4l11647-21tr12:10:150
111391250,1ptp4l0-21swapper/112:13:581
111391250,0ptp4l0-21swapper/711:34:427
111391250,0ptp4l0-21swapper/511:49:045
111391250,0ptp4l0-21swapper/510:43:265
111391250,0ptp4l0-21swapper/510:43:255
111391250,0ptp4l0-21swapper/510:32:595
111391250,0ptp4l0-21swapper/509:10:065
111391250,0ptp4l0-21swapper/507:55:135
111391250,0ptp4l0-21swapper/411:56:534
111391250,0ptp4l0-21swapper/411:53:544
111391250,0ptp4l0-21swapper/411:45:194
111391250,0ptp4l0-21swapper/409:45:214
111391250,0ptp4l0-21swapper/407:25:154
111391250,0ptp4l0-21swapper/312:19:093
111391250,0ptp4l0-21swapper/112:15:161
111391250,0ptp4l0-21swapper/110:21:171
111391250,0ptp4l0-21swapper/109:20:151
111391250,0ptp4l0-21swapper/107:55:121
111391250,0ptp4l0-21swapper/012:06:400
111391250,0ptp4l0-21swapper/011:15:180
111391250,0ptp4l0-21swapper/011:14:080
111391250,0ptp4l0-21swapper/010:58:520
111391250,0ptp4l0-21swapper/010:01:390
111391240,1ptp4l5614-21memory09:45:180
111391240,1ptp4l2935-21fw_conntrack07:40:115
111391240,1ptp4l29227-21ssh09:34:094
111391240,1ptp4l27499-21munin-run08:35:015
111391240,1ptp4l23469-21timerwakeupswit07:15:011
111391240,1ptp4l23125-21open_files07:15:005
111391240,1ptp4l19419-21wc08:15:172
111391240,0ptp4l0-21swapper/711:36:067
111391240,0ptp4l0-21swapper/512:25:205
111391240,0ptp4l0-21swapper/512:20:225
111391240,0ptp4l0-21swapper/511:55:005
111391240,0ptp4l0-21swapper/511:18:585
111391240,0ptp4l0-21swapper/509:57:525
111391240,0ptp4l0-21swapper/509:47:375
111391240,0ptp4l0-21swapper/509:18:175
111391240,0ptp4l0-21swapper/508:35:135
111391240,0ptp4l0-21swapper/411:20:184
111391240,0ptp4l0-21swapper/409:17:174
111391240,0ptp4l0-21swapper/209:35:162
111391240,0ptp4l0-21swapper/208:40:172
111391240,0ptp4l0-21swapper/112:31:251
111391240,0ptp4l0-21swapper/112:01:221
111391240,0ptp4l0-21swapper/111:18:011
111391240,0ptp4l0-21swapper/110:57:541
111391240,0ptp4l0-21swapper/110:18:491
111391240,0ptp4l0-21swapper/109:00:141
111391240,0ptp4l0-21swapper/012:30:350
111391240,0ptp4l0-21swapper/011:03:050
111391240,0ptp4l0-21swapper/010:47:260
111391240,0ptp4l0-21swapper/010:25:220
111391240,0ptp4l0-21swapper/009:40:200
111391240,0ptp4l0-21swapper/008:50:170
2046799230,4cyclictest0-21swapper/409:20:174
111391230,1ptp4l8120-21grep11:20:110
111391230,1ptp4l49-21ksoftirqd/411:07:344
111391230,1ptp4l18732-21cat11:35:113
111391230,1ptp4l12057-21sed11:25:155
111391230,0ptp4l9575-21conntrack09:05:134
111391230,0ptp4l18550-21conntrack12:20:141
111391230,0ptp4l11202-21diskmemload11:05:205
111391230,0ptp4l0-21swapper/610:09:316
111391230,0ptp4l0-21swapper/608:40:186
111391230,0ptp4l0-21swapper/512:15:165
111391230,0ptp4l0-21swapper/511:30:215
111391230,0ptp4l0-21swapper/511:01:085
111391230,0ptp4l0-21swapper/510:20:205
111391230,0ptp4l0-21swapper/510:14:155
111391230,0ptp4l0-21swapper/509:39:015
111391230,0ptp4l0-21swapper/509:25:135
111391230,0ptp4l0-21swapper/509:20:165
111391230,0ptp4l0-21swapper/508:25:125
111391230,0ptp4l0-21swapper/508:23:105
111391230,0ptp4l0-21swapper/507:50:185
111391230,0ptp4l0-21swapper/507:10:215
111391230,0ptp4l0-21swapper/412:35:134
111391230,0ptp4l0-21swapper/412:25:144
111391230,0ptp4l0-21swapper/412:00:064
111391230,0ptp4l0-21swapper/411:15:134
111391230,0ptp4l0-21swapper/411:00:154
111391230,0ptp4l0-21swapper/410:50:114
111391230,0ptp4l0-21swapper/410:45:174
111391230,0ptp4l0-21swapper/410:18:024
111391230,0ptp4l0-21swapper/410:10:174
111391230,0ptp4l0-21swapper/408:55:204
111391230,0ptp4l0-21swapper/408:45:114
111391230,0ptp4l0-21swapper/408:40:104
111391230,0ptp4l0-21swapper/408:15:144
111391230,0ptp4l0-21swapper/408:10:124
111391230,0ptp4l0-21swapper/408:05:204
111391230,0ptp4l0-21swapper/407:45:194
111391230,0ptp4l0-21swapper/407:35:174
111391230,0ptp4l0-21swapper/407:20:174
111391230,0ptp4l0-21swapper/111:30:221
111391230,0ptp4l0-21swapper/110:55:001
111391230,0ptp4l0-21swapper/110:06:491
111391230,0ptp4l0-21swapper/110:00:151
111391230,0ptp4l0-21swapper/109:59:211
111391230,0ptp4l0-21swapper/109:34:351
111391230,0ptp4l0-21swapper/109:10:121
111391230,0ptp4l0-21swapper/109:10:001
111391230,0ptp4l0-21swapper/108:35:151
111391230,0ptp4l0-21swapper/108:30:201
111391230,0ptp4l0-21swapper/108:15:201
111391230,0ptp4l0-21swapper/107:45:121
111391230,0ptp4l0-21swapper/011:39:460
111391230,0ptp4l0-21swapper/010:10:140
111391230,0ptp4l0-21swapper/009:50:190
111391230,0ptp4l0-21swapper/009:35:320
111391230,0ptp4l0-21swapper/009:34:140
111391230,0ptp4l0-21swapper/009:15:400
111391230,0ptp4l0-21swapper/009:11:030
111391230,0ptp4l0-21swapper/008:55:200
111391230,0ptp4l0-21swapper/008:45:190
111391230,0ptp4l0-21swapper/008:20:200
111391230,0ptp4l0-21swapper/008:10:110
111391230,0ptp4l0-21swapper/008:05:170
111391230,0ptp4l0-21swapper/008:05:000
111391230,0ptp4l0-21swapper/008:05:000
111391230,0ptp4l0-21swapper/007:35:140
111391230,0ptp4l0-21swapper/007:20:120
111391220,1ptp4l29966-21sort09:35:116
111391220,0ptp4l0-21swapper/710:41:237
111391220,0ptp4l0-21swapper/710:41:237
111391220,0ptp4l0-21swapper/710:12:417
111391220,0ptp4l0-21swapper/611:44:456
111391220,0ptp4l0-21swapper/609:17:506
111391220,0ptp4l0-21swapper/512:37:185
111391220,0ptp4l0-21swapper/512:32:295
111391220,0ptp4l0-21swapper/512:01:335
111391220,0ptp4l0-21swapper/511:54:055
111391220,0ptp4l0-21swapper/511:11:175
111391220,0ptp4l0-21swapper/510:53:345
111391220,0ptp4l0-21swapper/510:45:125
111391220,0ptp4l0-21swapper/510:25:565
111391220,0ptp4l0-21swapper/510:16:525
111391220,0ptp4l0-21swapper/510:08:155
111391220,0ptp4l0-21swapper/509:42:565
111391220,0ptp4l0-21swapper/507:45:145
111391220,0ptp4l0-21swapper/412:30:154
111391220,0ptp4l0-21swapper/412:15:034
111391220,0ptp4l0-21swapper/411:31:444
111391220,0ptp4l0-21swapper/411:25:204
111391220,0ptp4l0-21swapper/409:35:354
111391220,0ptp4l0-21swapper/409:01:004
111391220,0ptp4l0-21swapper/408:25:184
111391220,0ptp4l0-21swapper/408:20:194
111391220,0ptp4l0-21swapper/408:00:204
111391220,0ptp4l0-21swapper/408:00:194
111391220,0ptp4l0-21swapper/407:30:134
111391220,0ptp4l0-21swapper/312:34:023
111391220,0ptp4l0-21swapper/310:42:013
111391220,0ptp4l0-21swapper/310:42:013
111391220,0ptp4l0-21swapper/309:11:503
111391220,0ptp4l0-21swapper/210:29:082
111391220,0ptp4l0-21swapper/210:09:252
111391220,0ptp4l0-21swapper/111:45:081
111391220,0ptp4l0-21swapper/111:23:551
111391220,0ptp4l0-21swapper/111:11:151
111391220,0ptp4l0-21swapper/111:01:381
111391220,0ptp4l0-21swapper/110:47:161
111391220,0ptp4l0-21swapper/110:27:361
111391220,0ptp4l0-21swapper/110:13:041
111391220,0ptp4l0-21swapper/109:50:121
111391220,0ptp4l0-21swapper/109:40:221
111391220,0ptp4l0-21swapper/109:38:201
111391220,0ptp4l0-21swapper/108:20:151
111391220,0ptp4l0-21swapper/107:40:161
111391220,0ptp4l0-21swapper/012:25:120
111391220,0ptp4l0-21swapper/012:18:350
111391220,0ptp4l0-21swapper/012:00:120
111391220,0ptp4l0-21swapper/011:52:280
111391220,0ptp4l0-21swapper/011:40:120
111391220,0ptp4l0-21swapper/010:40:140
111391220,0ptp4l0-21swapper/010:40:130
111391220,0ptp4l0-21swapper/010:22:000
111391220,0ptp4l0-21swapper/009:27:280
111391220,0ptp4l0-21swapper/009:22:490
111391220,0ptp4l0-21swapper/009:05:150
111391220,0ptp4l0-21swapper/008:40:150
111391220,0ptp4l0-21swapper/008:33:330
111391220,0ptp4l0-21swapper/008:25:190
111391220,0ptp4l0-21swapper/008:15:120
111391220,0ptp4l0-21swapper/007:55:190
111391220,0ptp4l0-21swapper/007:30:120
111391210,7ptp4l0-21swapper/108:29:291
111391210,0ptp4l11202-21diskmemload09:31:426
111391210,0ptp4l0-21swapper/712:19:187
111391210,0ptp4l0-21swapper/711:05:447
111391210,0ptp4l0-21swapper/611:17:566
111391210,0ptp4l0-21swapper/511:38:415
111391210,0ptp4l0-21swapper/509:08:585
111391210,0ptp4l0-21swapper/509:00:135
111391210,0ptp4l0-21swapper/508:00:145
111391210,0ptp4l0-21swapper/508:00:145
111391210,0ptp4l0-21swapper/507:37:155
111391210,0ptp4l0-21swapper/408:40:014
111391210,0ptp4l0-21swapper/211:45:012
111391210,0ptp4l0-21swapper/211:44:502
111391210,0ptp4l0-21swapper/211:33:032
111391210,0ptp4l0-21swapper/211:07:542
111391210,0ptp4l0-21swapper/209:43:422
111391210,0ptp4l0-21swapper/209:31:482
111391210,0ptp4l0-21swapper/111:38:281
111391210,0ptp4l0-21swapper/108:41:301
111391210,0ptp4l0-21swapper/108:10:421
111391210,0ptp4l0-21swapper/011:07:320
111391210,0ptp4l0-21swapper/010:30:220
111391210,0ptp4l0-21swapper/009:01:140
111391210,0ptp4l0-21swapper/007:25:150
111391210,0ptp4l0-21swapper/007:15:220
2048099200,19cyclictest0-21swapper/608:35:176
111391200,0ptp4l0-21swapper/712:26:217
111391200,0ptp4l0-21swapper/612:28:476
111391200,0ptp4l0-21swapper/612:00:306
111391200,0ptp4l0-21swapper/611:57:126
111391200,0ptp4l0-21swapper/611:33:076
111391200,0ptp4l0-21swapper/607:11:286
111391200,0ptp4l0-21swapper/511:44:065
111391200,0ptp4l0-21swapper/510:56:255
111391200,0ptp4l0-21swapper/508:55:545
111391200,0ptp4l0-21swapper/508:44:385
111391200,0ptp4l0-21swapper/508:10:575
111391200,0ptp4l0-21swapper/508:05:435
111391200,0ptp4l0-21swapper/507:22:565
111391200,0ptp4l0-21swapper/408:32:264
111391200,0ptp4l0-21swapper/407:52:574
111391200,0ptp4l0-21swapper/407:16:564
111391200,0ptp4l0-21swapper/312:35:063
111391200,0ptp4l0-21swapper/312:26:193
111391200,0ptp4l0-21swapper/311:33:593
111391200,0ptp4l0-21swapper/311:05:433
111391200,0ptp4l0-21swapper/212:36:082
111391200,0ptp4l0-21swapper/211:17:512
111391200,0ptp4l0-21swapper/209:17:502
111391200,0ptp4l0-21swapper/108:58:031
111391200,0ptp4l0-21swapper/108:00:121
111391200,0ptp4l0-21swapper/108:00:111
111391200,0ptp4l0-21swapper/107:30:051
111391200,0ptp4l0-21swapper/007:54:260
111391190,0ptp4l0-21swapper/710:22:517
111391190,0ptp4l0-21swapper/709:50:477
111391190,0ptp4l0-21swapper/612:33:486
111391190,0ptp4l0-21swapper/611:07:556
111391190,0ptp4l0-21swapper/609:55:286
111391190,0ptp4l0-21swapper/609:43:456
111391190,0ptp4l0-21swapper/508:47:585
111391190,0ptp4l0-21swapper/508:15:195
111391190,0ptp4l0-21swapper/507:31:135
111391190,0ptp4l0-21swapper/507:25:075
111391190,0ptp4l0-21swapper/407:58:024
111391190,0ptp4l0-21swapper/211:57:112
111391190,0ptp4l0-21swapper/107:24:561
111391190,0ptp4l0-21swapper/008:39:550
111391180,0ptp4l0-21swapper/610:23:236
111391180,0ptp4l0-21swapper/310:22:483
111391180,0ptp4l0-21swapper/310:12:293
111391180,0ptp4l0-21swapper/212:33:482
111391180,0ptp4l0-21swapper/212:28:542
111391180,0ptp4l0-21swapper/212:07:462
111391180,0ptp4l0-21swapper/209:55:312
111391180,0ptp4l0-21swapper/111:43:341
111391170,2ptp4l0-21swapper/108:51:001
111391170,0ptp4l0-21swapper/712:35:057
111391170,0ptp4l0-21swapper/711:02:527
111391170,0ptp4l0-21swapper/610:29:076
111391170,0ptp4l0-21swapper/311:02:503
111391170,0ptp4l0-21swapper/107:36:491
111391170,0ptp4l0-21swapper/007:11:270
111391160,0ptp4l0-21swapper/612:07:486
111391160,0ptp4l0-21swapper/210:33:222
111391160,0ptp4l0-21swapper/108:45:241
111391160,0ptp4l0-21swapper/108:05:251
210722150,0sleep60-21swapper/610:52:346
2045999150,0cyclictest0-21swapper/312:24:593
111391150,0ptp4l0-21swapper/609:09:246
111391150,0ptp4l0-21swapper/608:17:136
111391150,0ptp4l0-21swapper/607:32:496
111391150,0ptp4l0-21swapper/607:21:406
111391150,0ptp4l0-21swapper/508:51:025
111391150,0ptp4l0-21swapper/407:40:574
111391150,0ptp4l0-21swapper/407:11:264
111391150,0ptp4l0-21swapper/212:00:282
111391150,0ptp4l0-21swapper/210:55:262
111391150,0ptp4l0-21swapper/209:09:312
111391150,0ptp4l0-21swapper/208:20:422
111391150,0ptp4l0-21swapper/207:21:432
111391150,0ptp4l0-21swapper/207:18:042
111391150,0ptp4l0-21swapper/207:11:272
111391150,0ptp4l0-21swapper/107:25:021
111391150,0ptp4l0-21swapper/007:40:550
111391140,0ptp4l0-21swapper/610:55:286
111391140,0ptp4l0-21swapper/609:54:516
111391140,0ptp4l0-21swapper/607:18:066
111391140,0ptp4l0-21swapper/209:48:122
111391140,0ptp4l0-21swapper/207:32:462
20480991311,1cyclictest6858-21munin-run07:50:006
209162120,0sleep70-21swapper/712:23:367
2045999129,1cyclictest18675-21turbostat09:19:593
2048099110,1cyclictest0-21swapper/610:04:246
2048099109,0cyclictest0-21swapper/611:45:276
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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