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2026-08-14 - 16:49

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 Fri Aug 14, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391640,5ptp4l0-21swapper/007:07:150
111391600,5ptp4l0-21swapper/607:09:126
111391600,29ptp4l0-21swapper/207:07:532
111391600,29ptp4l0-21swapper/107:07:291
111391600,12ptp4l0-21swapper/507:07:315
111391580,6ptp4l0-21swapper/407:06:014
3042725646,6sleep70-21swapper/707:05:597
255962540,0sleep60-21swapper/609:15:006
3054924736,7sleep30-21swapper/307:07:313
111391370,0ptp4l0-21swapper/409:39:084
111391350,0ptp4l0-21swapper/412:00:114
111391350,0ptp4l0-21swapper/411:55:154
111391340,0ptp4l0-21swapper/410:10:224
111391330,0ptp4l0-21swapper/710:06:367
111391330,0ptp4l0-21swapper/409:53:114
111391330,0ptp4l0-21swapper/409:29:274
111391320,0ptp4l0-21swapper/411:26:554
111391320,0ptp4l0-21swapper/411:20:104
111391320,0ptp4l0-21swapper/410:36:284
111391320,0ptp4l0-21swapper/408:10:134
111391320,0ptp4l0-21swapper/011:45:310
111391320,0ptp4l0-21swapper/010:35:340
111391310,0ptp4l0-21swapper/411:16:354
111391310,0ptp4l0-21swapper/009:56:270
111391300,1ptp4l16567-21/usr/sbin/munin07:45:184
111391300,0ptp4l0-21swapper/412:30:374
111391300,0ptp4l0-21swapper/412:22:394
111391300,0ptp4l0-21swapper/412:19:014
111391300,0ptp4l0-21swapper/411:30:144
111391300,0ptp4l0-21swapper/410:50:554
111391300,0ptp4l0-21swapper/410:01:134
111391300,0ptp4l0-21swapper/012:39:320
111391300,0ptp4l0-21swapper/012:32:560
111391300,0ptp4l0-21swapper/011:26:580
111391300,0ptp4l0-21swapper/011:24:490
111391300,0ptp4l0-21swapper/010:23:380
111391290,3ptp4l0-21swapper/410:58:204
111391290,3ptp4l0-21swapper/009:12:090
111391290,0ptp4l0-21swapper/512:24:445
111391290,0ptp4l0-21swapper/412:05:214
111391290,0ptp4l0-21swapper/410:06:154
111391290,0ptp4l0-21swapper/409:45:514
111391290,0ptp4l0-21swapper/110:16:501
111391290,0ptp4l0-21swapper/011:37:090
111391290,0ptp4l0-21swapper/010:54:460
111391290,0ptp4l0-21swapper/010:44:010
111391280,0ptp4l0-21swapper/511:29:225
111391280,0ptp4l0-21swapper/410:43:534
111391280,0ptp4l0-21swapper/410:24:264
111391280,0ptp4l0-21swapper/410:17:164
111391280,0ptp4l0-21swapper/409:14:164
111391280,0ptp4l0-21swapper/111:12:141
111391280,0ptp4l0-21swapper/110:56:291
111391280,0ptp4l0-21swapper/011:14:210
111391280,0ptp4l0-21swapper/010:31:200
111391280,0ptp4l0-21swapper/010:31:200
111391280,0ptp4l0-21swapper/009:43:540
111391270,2ptp4l0-21swapper/012:25:050
111391270,0ptp4l25373-21/usr/sbin/munin10:45:120
111391270,0ptp4l0-21swapper/707:32:467
111391270,0ptp4l0-21swapper/511:43:425
111391270,0ptp4l0-21swapper/409:43:594
111391270,0ptp4l0-21swapper/409:19:004
111391270,0ptp4l0-21swapper/111:29:271
111391270,0ptp4l0-21swapper/012:03:560
111391270,0ptp4l0-21swapper/009:53:320
111391260,2ptp4l101ktimersoftd/009:34:580
111391260,1ptp4l3101899cyclictest11:45:081
111391260,0ptp4l0-21swapper/512:02:045
111391260,0ptp4l0-21swapper/411:37:124
111391260,0ptp4l0-21swapper/411:06:324
111391260,0ptp4l0-21swapper/410:49:524
111391260,0ptp4l0-21swapper/410:30:154
111391260,0ptp4l0-21swapper/410:30:144
111391260,0ptp4l0-21swapper/408:19:174
111391260,0ptp4l0-21swapper/408:05:174
111391260,0ptp4l0-21swapper/407:10:394
111391260,0ptp4l0-21swapper/112:30:471
111391260,0ptp4l0-21swapper/111:33:081
111391260,0ptp4l0-21swapper/012:16:260
111391260,0ptp4l0-21swapper/010:55:110
111391260,0ptp4l0-21swapper/009:35:130
111391260,0ptp4l0-21swapper/009:16:130
111391260,0ptp4l0-21swapper/008:34:180
111391250,2ptp4l0-21swapper/107:15:121
111391250,0ptp4l21771-21diskmemload09:23:284
111391250,0ptp4l0-21swapper/711:11:067
111391250,0ptp4l0-21swapper/612:24:316
111391250,0ptp4l0-21swapper/511:23:065
111391250,0ptp4l0-21swapper/511:02:435
111391250,0ptp4l0-21swapper/509:55:045
111391250,0ptp4l0-21swapper/508:40:205
111391250,0ptp4l0-21swapper/507:35:135
111391250,0ptp4l0-21swapper/411:03:524
111391250,0ptp4l0-21swapper/408:48:054
111391250,0ptp4l0-21swapper/112:12:051
111391250,0ptp4l0-21swapper/112:09:261
111391250,0ptp4l0-21swapper/111:50:381
111391250,0ptp4l0-21swapper/109:48:561
111391250,0ptp4l0-21swapper/109:40:521
111391250,0ptp4l0-21swapper/109:37:291
111391250,0ptp4l0-21swapper/109:30:211
111391250,0ptp4l0-21swapper/107:45:161
111391250,0ptp4l0-21swapper/011:58:080
111391250,0ptp4l0-21swapper/011:15:350
111391250,0ptp4l0-21swapper/007:19:040
111391240,5ptp4l0-21swapper/008:22:270
111391240,1ptp4l7323-21smart_sda11:50:180
111391240,1ptp4l5083-21sed09:30:165
111391240,1ptp4l3406-21munin-run10:15:015
111391240,1ptp4l2861-21sensors07:15:205
111391240,1ptp4l27266-21fw_conntrack08:10:120
111391240,1ptp4l22546-21hddtemp_smartct09:55:131
111391240,1ptp4l17837-21diskstats09:00:121
111391240,1ptp4l15566-21fw_forwarded_lo08:55:171
111391240,1ptp4l10644-21fw_conntrack11:10:114
111391240,0ptp4l0-21swapper/512:30:595
111391240,0ptp4l0-21swapper/512:19:435
111391240,0ptp4l0-21swapper/511:58:425
111391240,0ptp4l0-21swapper/509:35:185
111391240,0ptp4l0-21swapper/507:50:515
111391240,0ptp4l0-21swapper/410:25:174
111391240,0ptp4l0-21swapper/409:55:164
111391240,0ptp4l0-21swapper/409:31:084
111391240,0ptp4l0-21swapper/407:55:004
111391240,0ptp4l0-21swapper/311:46:383
111391240,0ptp4l0-21swapper/310:06:273
111391240,0ptp4l0-21swapper/308:24:063
111391240,0ptp4l0-21swapper/208:35:182
111391240,0ptp4l0-21swapper/112:22:441
111391240,0ptp4l0-21swapper/110:25:091
111391240,0ptp4l0-21swapper/109:25:161
111391240,0ptp4l0-21swapper/108:30:221
111391240,0ptp4l0-21swapper/108:20:161
111391240,0ptp4l0-21swapper/107:35:191
111391240,0ptp4l0-21swapper/011:05:150
111391240,0ptp4l0-21swapper/011:05:000
111391240,0ptp4l0-21swapper/010:17:340
111391240,0ptp4l0-21swapper/009:26:370
111391240,0ptp4l0-21swapper/009:05:180
111391240,0ptp4l0-21swapper/008:05:140
111391240,0ptp4l0-21swapper/007:51:380
111391230,1ptp4l7104-21cat07:25:194
111391230,1ptp4l31063-21ssh10:53:041
111391230,0ptp4l0-21swapper/610:10:176
111391230,0ptp4l0-21swapper/512:29:585
111391230,0ptp4l0-21swapper/511:45:135
111391230,0ptp4l0-21swapper/511:10:185
111391230,0ptp4l0-21swapper/510:59:015
111391230,0ptp4l0-21swapper/510:38:105
111391230,0ptp4l0-21swapper/510:22:545
111391230,0ptp4l0-21swapper/509:48:585
111391230,0ptp4l0-21swapper/509:40:135
111391230,0ptp4l0-21swapper/509:12:405
111391230,0ptp4l0-21swapper/507:35:005
111391230,0ptp4l0-21swapper/507:10:135
111391230,0ptp4l0-21swapper/412:38:554
111391230,0ptp4l0-21swapper/411:50:164
111391230,0ptp4l0-21swapper/411:40:114
111391230,0ptp4l0-21swapper/409:05:104
111391230,0ptp4l0-21swapper/408:50:114
111391230,0ptp4l0-21swapper/408:36:564
111391230,0ptp4l0-21swapper/408:25:194
111391230,0ptp4l0-21swapper/408:05:004
111391230,0ptp4l0-21swapper/407:45:004
111391230,0ptp4l0-21swapper/407:35:164
111391230,0ptp4l0-21swapper/407:30:184
111391230,0ptp4l0-21swapper/407:20:174
111391230,0ptp4l0-21swapper/311:11:263
111391230,0ptp4l0-21swapper/210:10:172
111391230,0ptp4l0-21swapper/111:40:341
111391230,0ptp4l0-21swapper/111:35:191
111391230,0ptp4l0-21swapper/111:05:161
111391230,0ptp4l0-21swapper/111:01:591
111391230,0ptp4l0-21swapper/108:00:161
111391230,0ptp4l0-21swapper/107:40:151
111391230,0ptp4l0-21swapper/107:20:201
111391230,0ptp4l0-21swapper/012:21:280
111391230,0ptp4l0-21swapper/012:10:120
111391230,0ptp4l0-21swapper/012:05:130
111391230,0ptp4l0-21swapper/011:40:120
111391230,0ptp4l0-21swapper/011:30:150
111391230,0ptp4l0-21swapper/010:11:050
111391230,0ptp4l0-21swapper/010:05:150
111391230,0ptp4l0-21swapper/010:00:300
111391230,0ptp4l0-21swapper/009:45:320
111391230,0ptp4l0-21swapper/009:24:230
111391230,0ptp4l0-21swapper/009:00:000
111391230,0ptp4l0-21swapper/008:49:080
111391230,0ptp4l0-21swapper/008:00:220
111391230,0ptp4l0-21swapper/007:55:180
111391230,0ptp4l0-21swapper/007:55:180
111391230,0ptp4l0-21swapper/007:45:210
111391230,0ptp4l0-21swapper/007:35:170
111391230,0ptp4l0-21swapper/007:27:570
111391230,0ptp4l0-21swapper/007:10:150
111391220,0ptp4l0-21swapper/712:34:187
111391220,0ptp4l0-21swapper/707:56:277
111391220,0ptp4l0-21swapper/707:56:277
111391220,0ptp4l0-21swapper/611:59:076
111391220,0ptp4l0-21swapper/611:10:066
111391220,0ptp4l0-21swapper/512:12:455
111391220,0ptp4l0-21swapper/512:07:485
111391220,0ptp4l0-21swapper/511:52:075
111391220,0ptp4l0-21swapper/511:35:415
111391220,0ptp4l0-21swapper/511:31:415
111391220,0ptp4l0-21swapper/511:17:465
111391220,0ptp4l0-21swapper/511:05:375
111391220,0ptp4l0-21swapper/510:32:395
111391220,0ptp4l0-21swapper/510:32:395
111391220,0ptp4l0-21swapper/510:25:075
111391220,0ptp4l0-21swapper/510:15:215
111391220,0ptp4l0-21swapper/509:51:485
111391220,0ptp4l0-21swapper/509:25:135
111391220,0ptp4l0-21swapper/509:17:235
111391220,0ptp4l0-21swapper/509:05:135
111391220,0ptp4l0-21swapper/509:00:205
111391220,0ptp4l0-21swapper/508:55:155
111391220,0ptp4l0-21swapper/508:51:045
111391220,0ptp4l0-21swapper/508:20:115
111391220,0ptp4l0-21swapper/508:00:135
111391220,0ptp4l0-21swapper/507:40:205
111391220,0ptp4l0-21swapper/507:20:205
111391220,0ptp4l0-21swapper/412:25:204
111391220,0ptp4l0-21swapper/412:10:234
111391220,0ptp4l0-21swapper/411:47:474
111391220,0ptp4l0-21swapper/409:00:044
111391220,0ptp4l0-21swapper/408:56:574
111391220,0ptp4l0-21swapper/408:43:104
111391220,0ptp4l0-21swapper/408:30:124
111391220,0ptp4l0-21swapper/408:21:334
111391220,0ptp4l0-21swapper/407:55:164
111391220,0ptp4l0-21swapper/407:55:164
111391220,0ptp4l0-21swapper/212:24:272
111391220,0ptp4l0-21swapper/211:59:062
111391220,0ptp4l0-21swapper/210:46:142
111391220,0ptp4l0-21swapper/207:10:002
111391220,0ptp4l0-21swapper/112:38:001
111391220,0ptp4l0-21swapper/112:26:471
111391220,0ptp4l0-21swapper/112:19:581
111391220,0ptp4l0-21swapper/112:00:021
111391220,0ptp4l0-21swapper/111:58:531
111391220,0ptp4l0-21swapper/111:22:501
111391220,0ptp4l0-21swapper/111:16:381
111391220,0ptp4l0-21swapper/110:31:271
111391220,0ptp4l0-21swapper/110:31:271
111391220,0ptp4l0-21swapper/110:05:061
111391220,0ptp4l0-21swapper/109:52:181
111391220,0ptp4l0-21swapper/109:17:571
111391220,0ptp4l0-21swapper/109:11:271
111391220,0ptp4l0-21swapper/109:05:121
111391220,0ptp4l0-21swapper/108:37:511
111391220,0ptp4l0-21swapper/107:25:201
111391220,0ptp4l0-21swapper/010:28:400
111391220,0ptp4l0-21swapper/009:03:200
111391220,0ptp4l0-21swapper/008:50:160
111391220,0ptp4l0-21swapper/008:35:130
111391220,0ptp4l0-21swapper/008:25:170
111391220,0ptp4l0-21swapper/008:15:120
111391220,0ptp4l0-21swapper/007:30:170
111391220,0ptp4l0-21swapper/007:20:120
111391210,0ptp4l21771-21diskmemload10:29:342
111391210,0ptp4l0-21swapper/709:57:417
111391210,0ptp4l0-21swapper/608:35:236
111391210,0ptp4l0-21swapper/608:30:046
111391210,0ptp4l0-21swapper/512:38:015
111391210,0ptp4l0-21swapper/510:52:245
111391210,0ptp4l0-21swapper/510:49:245
111391210,0ptp4l0-21swapper/510:05:105
111391210,0ptp4l0-21swapper/507:25:145
111391210,0ptp4l0-21swapper/407:15:224
111391210,0ptp4l0-21swapper/312:34:293
111391210,0ptp4l0-21swapper/309:57:473
111391210,0ptp4l0-21swapper/307:56:393
111391210,0ptp4l0-21swapper/307:56:383
111391210,0ptp4l0-21swapper/307:32:433
111391210,0ptp4l0-21swapper/210:06:242
111391210,0ptp4l0-21swapper/209:19:532
111391210,0ptp4l0-21swapper/110:49:121
111391210,0ptp4l0-21swapper/110:36:131
111391210,0ptp4l0-21swapper/110:22:011
111391210,0ptp4l0-21swapper/110:11:541
111391210,0ptp4l0-21swapper/108:40:011
111391210,0ptp4l0-21swapper/108:16:041
111391210,0ptp4l0-21swapper/008:43:450
111391210,0ptp4l0-21swapper/007:44:330
111391200,0ptp4l0-21swapper/609:19:426
111391200,0ptp4l0-21swapper/510:00:025
111391200,0ptp4l0-21swapper/509:23:395
111391200,0ptp4l0-21swapper/508:33:345
111391200,0ptp4l0-21swapper/507:45:145
111391200,0ptp4l0-21swapper/110:44:561
111391200,0ptp4l0-21swapper/110:01:591
111391200,0ptp4l0-21swapper/109:20:051
111391200,0ptp4l0-21swapper/108:53:151
111391200,0ptp4l0-21swapper/107:10:121
111391190,0ptp4l0-21swapper/711:46:377
111391190,0ptp4l0-21swapper/609:45:446
111391190,0ptp4l0-21swapper/507:59:035
111391190,0ptp4l0-21swapper/507:59:035
111391190,0ptp4l0-21swapper/209:45:452
111391190,0ptp4l0-21swapper/209:42:362
111391180,0ptp4l0-21swapper/210:35:232
111391180,0ptp4l0-21swapper/108:14:041
111391180,0ptp4l0-21swapper/108:08:271
111391180,0ptp4l0-21swapper/107:59:101
111391180,0ptp4l0-21swapper/107:59:091
111391180,0ptp4l0-21swapper/107:34:091
14852170,0sleep70-21swapper/709:25:197
111391170,2ptp4l0-21swapper/108:48:211
111391170,0ptp4l0-21swapper/508:06:545
111391160,0ptp4l0-21swapper/708:23:207
111391160,0ptp4l0-21swapper/610:06:256
111391160,0ptp4l0-21swapper/508:37:495
111391160,0ptp4l0-21swapper/508:15:455
111391160,0ptp4l0-21swapper/508:14:025
111391160,0ptp4l0-21swapper/208:42:342
111391160,0ptp4l0-21swapper/108:25:461
111391150,0ptp4l0-21swapper/707:19:437
111391150,0ptp4l0-21swapper/610:29:336
111391150,0ptp4l0-21swapper/609:42:366
111391150,0ptp4l0-21swapper/608:42:326
111391150,0ptp4l0-21swapper/608:17:256
111391150,0ptp4l0-21swapper/607:50:266
111391150,0ptp4l0-21swapper/607:28:046
111391150,0ptp4l0-21swapper/508:25:465
111391150,0ptp4l0-21swapper/307:19:243
111391150,0ptp4l0-21swapper/211:10:062
111391150,0ptp4l0-21swapper/209:13:162
111391150,0ptp4l0-21swapper/208:17:262
111391150,0ptp4l0-21swapper/107:50:411
111391140,0ptp4l0-21swapper/610:35:256
111391140,0ptp4l0-21swapper/608:29:586
111391140,0ptp4l0-21swapper/607:11:406
111391140,0ptp4l0-21swapper/508:48:235
111391140,0ptp4l0-21swapper/211:09:082
111391140,0ptp4l0-21swapper/208:30:032
111391140,0ptp4l0-21swapper/208:29:592
111391140,0ptp4l0-21swapper/207:50:252
111391140,0ptp4l0-21swapper/207:28:022
3105399139,3cyclictest3937-21munin-run09:30:006
3104799105,0cyclictest0-21swapper/510:44:135
3103299108,1cyclictest0-21swapper/309:40:573
3103299100,9cyclictest0-21swapper/312:09:363
3103299100,9cyclictest0-21swapper/309:14:323
3102699109,0cyclictest0-21swapper/209:05:142
310539990,1cyclictest0-21swapper/612:25:146
310329998,0cyclictest0-21swapper/312:35:043
310329998,0cyclictest0-21swapper/311:53:543
310329990,8cyclictest0-21swapper/312:14:283
310329990,8cyclictest0-21swapper/311:41:573
310329990,8cyclictest0-21swapper/311:05:293
310329990,8cyclictest0-21swapper/310:59:403
310329990,8cyclictest0-21swapper/310:46:003
310329990,0cyclictest0-21swapper/310:39:243
310329990,0cyclictest0-21swapper/309:05:163
18819190,5phc2sys0-21swapper/709:32:417
310609987,0cyclictest0-21swapper/711:57:237
310609986,1cyclictest21771-21diskmemload09:35:227
310609986,1cyclictest0-21swapper/712:19:247
310609986,1cyclictest0-21swapper/710:58:467
310609980,7cyclictest0-21swapper/711:31:097
310609980,7cyclictest0-21swapper/709:18:217
310609980,0cyclictest0-21swapper/709:49:377
310539987,0cyclictest0-21swapper/612:18:346
310539987,0cyclictest0-21swapper/610:54:476
310539982,3cyclictest186291getstats09:35:526
310539980,7cyclictest0-21swapper/611:28:356
310539980,2cyclictest0-21swapper/610:17:336
310539980,0cyclictest0-21swapper/611:35:396
310329987,0cyclictest0-21swapper/312:19:223
310329987,0cyclictest0-21swapper/311:23:163
310329987,0cyclictest0-21swapper/310:19:263
310329980,7cyclictest0-21swapper/311:59:043
310329980,0cyclictest0-21swapper/310:12:313
310269988,0cyclictest321ktimersoftd/212:02:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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