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2026-07-01 - 00:33

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 Tue Jun 30, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,5ptp4l0-21swapper/207:07:442
111391630,5ptp4l0-21swapper/207:07:432
61926138,7sleep70-21swapper/707:05:087
61926138,7sleep70-21swapper/707:05:077
312082610,0sleep50-21swapper/508:10:085
111391610,30ptp4l0-21swapper/007:08:070
111391610,30ptp4l0-21swapper/007:08:070
111391610,28ptp4l0-21swapper/107:05:121
111391610,28ptp4l0-21swapper/107:05:111
111391600,5ptp4l0-21swapper/407:09:084
111391600,5ptp4l0-21swapper/407:09:074
111391570,5ptp4l0-21swapper/607:06:266
111391570,5ptp4l0-21swapper/607:06:256
111391570,5ptp4l0-21swapper/507:05:525
111391570,5ptp4l0-21swapper/507:05:515
239325332,7sleep30-21swapper/307:07:293
239325332,7sleep30-21swapper/307:07:283
111391350,1ptp4l21601-21sed09:00:001
111391340,0ptp4l0-21swapper/009:45:180
111391330,1ptp4l11058-21latency08:35:151
111391330,0ptp4l0-21swapper/008:05:110
111391320,0ptp4l0-21swapper/412:34:374
111391320,0ptp4l0-21swapper/011:56:080
111391310,0ptp4l25992-21diskmemload11:04:304
111391310,0ptp4l0-21swapper/411:41:304
111391310,0ptp4l0-21swapper/410:32:354
111391310,0ptp4l0-21swapper/109:45:111
111391310,0ptp4l0-21swapper/011:45:190
111391310,0ptp4l0-21swapper/011:10:170
111391310,0ptp4l0-21swapper/010:36:040
111391310,0ptp4l0-21swapper/008:20:200
111391300,0ptp4l0-21swapper/411:20:214
111391300,0ptp4l0-21swapper/010:40:190
111391300,0ptp4l0-21swapper/009:42:140
111391300,0ptp4l0-21swapper/009:42:130
111391290,2ptp4l0-21swapper/110:53:161
111391290,0ptp4l0-21swapper/510:05:485
111391290,0ptp4l0-21swapper/412:04:004
111391290,0ptp4l0-21swapper/411:49:044
111391290,0ptp4l0-21swapper/410:41:304
111391290,0ptp4l0-21swapper/410:25:184
111391290,0ptp4l0-21swapper/410:08:364
111391290,0ptp4l0-21swapper/407:50:014
111391290,0ptp4l0-21swapper/407:15:194
111391290,0ptp4l0-21swapper/011:53:470
111391280,0ptp4l0-21swapper/512:30:185
111391280,0ptp4l0-21swapper/509:36:225
111391280,0ptp4l0-21swapper/509:21:415
111391280,0ptp4l0-21swapper/412:19:304
111391280,0ptp4l0-21swapper/411:37:354
111391280,0ptp4l0-21swapper/411:26:174
111391280,0ptp4l0-21swapper/410:54:484
111391280,0ptp4l0-21swapper/409:56:444
111391280,0ptp4l0-21swapper/409:42:084
111391280,0ptp4l0-21swapper/409:42:084
111391280,0ptp4l0-21swapper/409:15:074
111391280,0ptp4l0-21swapper/409:12:594
111391280,0ptp4l0-21swapper/111:44:551
111391280,0ptp4l0-21swapper/110:33:101
111391280,0ptp4l0-21swapper/012:25:350
111391280,0ptp4l0-21swapper/012:20:200
111391280,0ptp4l0-21swapper/012:20:200
111391280,0ptp4l0-21swapper/010:31:480
111391280,0ptp4l0-21swapper/010:04:350
111391280,0ptp4l0-21swapper/009:20:010
111391280,0ptp4l0-21swapper/009:00:180
111391270,2ptp4l0-21swapper/411:51:564
111391270,2ptp4l0-21swapper/111:18:591
111391270,0ptp4l0-21swapper/411:10:584
111391270,0ptp4l0-21swapper/410:17:344
111391270,0ptp4l0-21swapper/409:28:044
111391270,0ptp4l0-21swapper/210:12:502
111391270,0ptp4l0-21swapper/112:31:591
111391270,0ptp4l0-21swapper/111:25:171
111391270,0ptp4l0-21swapper/012:37:370
111391270,0ptp4l0-21swapper/012:08:100
111391270,0ptp4l0-21swapper/011:18:340
111391270,0ptp4l0-21swapper/010:17:550
111391270,0ptp4l0-21swapper/009:16:480
111391260,0ptp4l0-21swapper/511:01:285
111391260,0ptp4l0-21swapper/510:25:225
111391260,0ptp4l0-21swapper/411:59:384
111391260,0ptp4l0-21swapper/411:31:364
111391260,0ptp4l0-21swapper/410:02:464
111391260,0ptp4l0-21swapper/409:20:424
111391260,0ptp4l0-21swapper/408:24:284
111391260,0ptp4l0-21swapper/407:15:014
111391260,0ptp4l0-21swapper/112:01:501
111391260,0ptp4l0-21swapper/111:30:221
111391260,0ptp4l0-21swapper/111:10:131
111391260,0ptp4l0-21swapper/111:09:121
111391260,0ptp4l0-21swapper/011:38:320
111391260,0ptp4l0-21swapper/011:03:220
111391260,0ptp4l0-21swapper/010:27:200
111391260,0ptp4l0-21swapper/009:33:530
111391260,0ptp4l0-21swapper/009:27:010
111391260,0ptp4l0-21swapper/009:12:120
111391250,2ptp4l0-21swapper/009:53:490
111391250,1ptp4l25-21ksoftirqd/112:23:291
111391250,1ptp4l25-21ksoftirqd/112:23:281
111391250,0ptp4l0-21swapper/512:11:315
111391250,0ptp4l0-21swapper/412:37:544
111391250,0ptp4l0-21swapper/412:12:434
111391250,0ptp4l0-21swapper/410:35:394
111391250,0ptp4l0-21swapper/408:55:134
111391250,0ptp4l0-21swapper/112:39:101
111391250,0ptp4l0-21swapper/110:45:181
111391250,0ptp4l0-21swapper/110:13:201
111391250,0ptp4l0-21swapper/109:21:271
111391250,0ptp4l0-21swapper/010:07:270
111391250,0ptp4l0-21swapper/008:40:140
111391250,0ptp4l0-21swapper/007:35:180
111391250,0ptp4l0-21swapper/007:23:250
111391240,1ptp4l8326-21hddtemp_smartct08:30:120
111391240,1ptp4l30658-21smartctl12:15:111
111391240,1ptp4l21782-21/usr/sbin/munin09:00:144
111391240,1ptp4l10891-21idleruntime07:25:144
111391240,1ptp4l10259-21sed07:25:004
111391240,1ptp4l0-21swapper/407:30:134
111391240,0ptp4l0-21swapper/512:23:485
111391240,0ptp4l0-21swapper/512:23:485
111391240,0ptp4l0-21swapper/511:51:405
111391240,0ptp4l0-21swapper/511:15:285
111391240,0ptp4l0-21swapper/510:24:515
111391240,0ptp4l0-21swapper/412:27:004
111391240,0ptp4l0-21swapper/410:56:244
111391240,0ptp4l0-21swapper/410:10:124
111391240,0ptp4l0-21swapper/409:50:044
111391240,0ptp4l0-21swapper/409:35:144
111391240,0ptp4l0-21swapper/409:30:074
111391240,0ptp4l0-21swapper/409:05:004
111391240,0ptp4l0-21swapper/408:25:144
111391240,0ptp4l0-21swapper/408:00:154
111391240,0ptp4l0-21swapper/110:38:351
111391240,0ptp4l0-21swapper/110:20:141
111391240,0ptp4l0-21swapper/110:05:151
111391240,0ptp4l0-21swapper/108:15:171
111391240,0ptp4l0-21swapper/012:32:520
111391240,0ptp4l0-21swapper/012:00:170
111391240,0ptp4l0-21swapper/011:40:190
111391240,0ptp4l0-21swapper/011:28:440
111391240,0ptp4l0-21swapper/010:55:260
111391240,0ptp4l0-21swapper/010:46:390
111391240,0ptp4l0-21swapper/010:13:170
111391240,0ptp4l0-21swapper/009:59:440
111391240,0ptp4l0-21swapper/009:05:220
111391240,0ptp4l0-21swapper/007:10:190
292399230,4cyclictest0-21swapper/509:55:495
111391230,5ptp4l0-21swapper/508:42:055
111391230,3ptp4l321ktimersoftd/211:33:592
111391230,1ptp4l41-21ksoftirqd/310:20:103
111391230,1ptp4l16883-21sed09:40:171
111391230,1ptp4l16883-21sed09:40:161
111391230,0ptp4l24738-21if_err_enp1s007:55:140
111391230,0ptp4l12877-21sh08:40:114
111391230,0ptp4l0-21swapper/710:20:117
111391230,0ptp4l0-21swapper/511:30:145
111391230,0ptp4l0-21swapper/511:25:005
111391230,0ptp4l0-21swapper/511:10:015
111391230,0ptp4l0-21swapper/510:42:175
111391230,0ptp4l0-21swapper/509:50:195
111391230,0ptp4l0-21swapper/509:45:135
111391230,0ptp4l0-21swapper/509:40:145
111391230,0ptp4l0-21swapper/509:40:135
111391230,0ptp4l0-21swapper/509:10:145
111391230,0ptp4l0-21swapper/509:00:125
111391230,0ptp4l0-21swapper/508:35:135
111391230,0ptp4l0-21swapper/508:15:205
111391230,0ptp4l0-21swapper/508:00:125
111391230,0ptp4l0-21swapper/507:50:215
111391230,0ptp4l0-21swapper/507:24:505
111391230,0ptp4l0-21swapper/412:20:194
111391230,0ptp4l0-21swapper/412:20:184
111391230,0ptp4l0-21swapper/411:05:194
111391230,0ptp4l0-21swapper/410:49:154
111391230,0ptp4l0-21swapper/409:45:324
111391230,0ptp4l0-21swapper/408:50:124
111391230,0ptp4l0-21swapper/408:45:124
111391230,0ptp4l0-21swapper/408:05:144
111391230,0ptp4l0-21swapper/407:49:294
111391230,0ptp4l0-21swapper/407:35:164
111391230,0ptp4l0-21swapper/308:05:153
111391230,0ptp4l0-21swapper/112:14:551
111391230,0ptp4l0-21swapper/112:10:001
111391230,0ptp4l0-21swapper/110:29:501
111391230,0ptp4l0-21swapper/110:15:211
111391230,0ptp4l0-21swapper/109:50:151
111391230,0ptp4l0-21swapper/109:10:131
111391230,0ptp4l0-21swapper/108:25:181
111391230,0ptp4l0-21swapper/108:10:171
111391230,0ptp4l0-21swapper/108:00:121
111391230,0ptp4l0-21swapper/107:45:121
111391230,0ptp4l0-21swapper/107:45:011
111391230,0ptp4l0-21swapper/012:18:080
111391230,0ptp4l0-21swapper/012:10:140
111391230,0ptp4l0-21swapper/011:20:080
111391230,0ptp4l0-21swapper/011:05:120
111391230,0ptp4l0-21swapper/010:23:200
111391230,0ptp4l0-21swapper/008:50:130
111391230,0ptp4l0-21swapper/008:45:180
111391230,0ptp4l0-21swapper/007:40:130
111391230,0ptp4l0-21swapper/007:15:020
111391220,0ptp4l25320-21processes07:55:181
111391220,0ptp4l0-21swapper/711:46:597
111391220,0ptp4l0-21swapper/710:29:107
111391220,0ptp4l0-21swapper/710:11:517
111391220,0ptp4l0-21swapper/710:06:437
111391220,0ptp4l0-21swapper/708:20:017
111391220,0ptp4l0-21swapper/708:05:197
111391220,0ptp4l0-21swapper/611:33:536
111391220,0ptp4l0-21swapper/512:15:095
111391220,0ptp4l0-21swapper/512:09:565
111391220,0ptp4l0-21swapper/511:56:295
111391220,0ptp4l0-21swapper/511:41:515
111391220,0ptp4l0-21swapper/511:20:455
111391220,0ptp4l0-21swapper/511:08:135
111391220,0ptp4l0-21swapper/510:53:125
111391220,0ptp4l0-21swapper/510:45:185
111391220,0ptp4l0-21swapper/510:36:305
111391220,0ptp4l0-21swapper/510:33:105
111391220,0ptp4l0-21swapper/510:15:165
111391220,0ptp4l0-21swapper/510:13:215
111391220,0ptp4l0-21swapper/509:26:375
111391220,0ptp4l0-21swapper/509:18:285
111391220,0ptp4l0-21swapper/508:50:185
111391220,0ptp4l0-21swapper/507:45:165
111391220,0ptp4l0-21swapper/507:30:195
111391220,0ptp4l0-21swapper/412:05:104
111391220,0ptp4l0-21swapper/411:15:104
111391220,0ptp4l0-21swapper/410:20:514
111391220,0ptp4l0-21swapper/408:30:114
111391220,0ptp4l0-21swapper/408:10:004
111391220,0ptp4l0-21swapper/407:40:214
111391220,0ptp4l0-21swapper/310:11:343
111391220,0ptp4l0-21swapper/308:20:133
111391220,0ptp4l0-21swapper/308:19:593
111391220,0ptp4l0-21swapper/111:55:341
111391220,0ptp4l0-21swapper/111:54:041
111391220,0ptp4l0-21swapper/111:36:421
111391220,0ptp4l0-21swapper/111:00:541
111391220,0ptp4l0-21swapper/110:57:031
111391220,0ptp4l0-21swapper/110:41:091
111391220,0ptp4l0-21swapper/109:34:381
111391220,0ptp4l0-21swapper/109:26:351
111391220,0ptp4l0-21swapper/109:16:411
111391220,0ptp4l0-21swapper/109:05:141
111391220,0ptp4l0-21swapper/108:50:161
111391220,0ptp4l0-21swapper/107:50:181
111391220,0ptp4l0-21swapper/107:30:191
111391220,0ptp4l0-21swapper/107:12:221
111391220,0ptp4l0-21swapper/011:30:490
111391220,0ptp4l0-21swapper/010:50:010
111391220,0ptp4l0-21swapper/009:35:140
111391220,0ptp4l0-21swapper/008:55:130
111391220,0ptp4l0-21swapper/008:25:170
111391220,0ptp4l0-21swapper/008:10:100
111391220,0ptp4l0-21swapper/007:50:130
111391220,0ptp4l0-21swapper/007:30:120
111391220,0ptp4l0-21swapper/007:25:120
111391210,3ptp4l0-21swapper/507:55:375
111391210,0ptp4l0-21swapper/612:11:356
111391210,0ptp4l0-21swapper/611:11:546
111391210,0ptp4l0-21swapper/609:04:286
111391210,0ptp4l0-21swapper/512:35:135
111391210,0ptp4l0-21swapper/512:28:375
111391210,0ptp4l0-21swapper/512:01:525
111391210,0ptp4l0-21swapper/511:48:315
111391210,0ptp4l0-21swapper/511:38:105
111391210,0ptp4l0-21swapper/510:57:055
111391210,0ptp4l0-21swapper/509:33:585
111391210,0ptp4l0-21swapper/508:25:195
111391210,0ptp4l0-21swapper/507:15:285
111391210,0ptp4l0-21swapper/408:39:044
111391210,0ptp4l0-21swapper/310:06:293
111391210,0ptp4l0-21swapper/212:21:482
111391210,0ptp4l0-21swapper/212:21:482
111391210,0ptp4l0-21swapper/212:03:522
111391210,0ptp4l0-21swapper/209:26:522
111391210,0ptp4l0-21swapper/111:48:301
111391210,0ptp4l0-21swapper/111:21:081
111391210,0ptp4l0-21swapper/110:00:591
111391210,0ptp4l0-21swapper/109:55:351
111391210,0ptp4l0-21swapper/109:36:181
111391210,0ptp4l0-21swapper/108:30:191
111391200,0ptp4l0-21swapper/612:03:366
111391200,0ptp4l0-21swapper/611:09:436
111391200,0ptp4l0-21swapper/608:44:016
111391200,0ptp4l0-21swapper/510:03:275
111391200,0ptp4l0-21swapper/508:34:555
111391200,0ptp4l0-21swapper/507:45:015
111391200,0ptp4l0-21swapper/407:56:504
111391200,0ptp4l0-21swapper/212:14:182
111391200,0ptp4l0-21swapper/211:11:472
111391200,0ptp4l0-21swapper/112:25:561
111391200,0ptp4l0-21swapper/109:01:281
111391200,0ptp4l0-21swapper/008:19:000
111391200,0ptp4l0-21swapper/008:00:130
111391200,0ptp4l0-21swapper/007:45:370
111391190,0ptp4l0-21swapper/610:50:416
111391190,0ptp4l0-21swapper/610:41:466
111391190,0ptp4l0-21swapper/610:12:456
111391190,0ptp4l0-21swapper/508:57:175
111391190,0ptp4l0-21swapper/312:03:203
111391190,0ptp4l0-21swapper/208:44:052
111391190,0ptp4l0-21swapper/107:36:471
111391190,0ptp4l0-21swapper/107:27:081
111391190,0ptp4l0-21swapper/107:24:551
111391180,0ptp4l0-21swapper/609:26:496
111391180,0ptp4l0-21swapper/310:29:073
111391180,0ptp4l0-21swapper/210:50:402
111391180,0ptp4l0-21swapper/008:39:030
111391170,2ptp4l0-21swapper/107:15:541
111391170,0ptp4l0-21swapper/507:36:465
111391170,0ptp4l0-21swapper/311:47:043
111391170,0ptp4l0-21swapper/210:41:452
111391160,0ptp4l0-21swapper/712:03:217
111391160,0ptp4l0-21swapper/211:09:452
111391160,0ptp4l0-21swapper/208:06:112
111391160,0ptp4l0-21swapper/207:30:452
111391160,0ptp4l0-21swapper/108:48:571
111391160,0ptp4l0-21swapper/108:21:351
111391160,0ptp4l0-21swapper/108:08:361
290899151,1cyclictest0-21swapper/308:00:143
290899150,1cyclictest0-21swapper/311:00:133
290899150,14cyclictest0-21swapper/309:39:283
111391150,0ptp4l0-21swapper/708:19:567
111391150,0ptp4l0-21swapper/612:21:496
111391150,0ptp4l0-21swapper/612:21:486
111391150,0ptp4l0-21swapper/608:48:026
111391150,0ptp4l0-21swapper/608:38:376
111391150,0ptp4l0-21swapper/608:28:086
111391150,0ptp4l0-21swapper/608:06:396
111391150,0ptp4l0-21swapper/607:58:516
111391150,0ptp4l0-21swapper/607:52:306
111391150,0ptp4l0-21swapper/607:38:556
111391150,0ptp4l0-21swapper/607:30:516
111391150,0ptp4l0-21swapper/607:21:526
111391150,0ptp4l0-21swapper/607:17:536
111391150,0ptp4l0-21swapper/509:09:475
111391150,0ptp4l0-21swapper/508:49:075
111391150,0ptp4l0-21swapper/508:22:065
111391150,0ptp4l0-21swapper/508:06:185
111391150,0ptp4l0-21swapper/507:26:535
111391150,0ptp4l0-21swapper/507:10:315
111391150,0ptp4l0-21swapper/408:15:504
111391150,0ptp4l0-21swapper/209:04:312
111391150,0ptp4l0-21swapper/208:47:152
111391150,0ptp4l0-21swapper/207:17:472
111391150,0ptp4l0-21swapper/108:41:231
111391140,0ptp4l0-21swapper/608:55:286
111391140,0ptp4l0-21swapper/208:55:282
111391140,0ptp4l0-21swapper/208:38:392
111391140,0ptp4l0-21swapper/208:28:062
111391140,0ptp4l0-21swapper/207:58:442
111391140,0ptp4l0-21swapper/207:52:312
111391140,0ptp4l0-21swapper/207:38:532
111391140,0ptp4l0-21swapper/207:21:442
292899110,10cyclictest0-21swapper/610:37:356
293599100,9cyclictest0-21swapper/710:53:327
292899109,0cyclictest0-21swapper/611:59:566
292899109,0cyclictest0-21swapper/610:15:256
292899100,9cyclictest0-21swapper/612:27:456
292899100,9cyclictest0-21swapper/612:18:296
292899100,9cyclictest0-21swapper/611:44:226
292899100,9cyclictest0-21swapper/609:53:166
290899100,9cyclictest0-21swapper/309:05:243
290899100,0cyclictest0-21swapper/312:35:123
290199109,0cyclictest0-21swapper/211:54:282
290199109,0cyclictest0-21swapper/209:30:132
290199100,9cyclictest0-21swapper/209:15:362
290199100,0cyclictest0-21swapper/210:29:562
29359998,0cyclictest28293-21ssh09:11:047
29359998,0cyclictest0-21swapper/710:16:467
29359990,8cyclictest0-21swapper/711:23:437
29359990,8cyclictest0-21swapper/711:10:307
29359990,8cyclictest0-21swapper/710:43:387
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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