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2026-04-07 - 17:04

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 Apr 07, 2026 12:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2250321100,0sleep10-21swapper/109:50:191
212912600,0sleep30-21swapper/312:05:193
111391600,5ptp4l0-21swapper/007:07:520
111391580,4ptp4l0-21swapper/407:07:144
55425634,7sleep30-21swapper/307:09:153
111391560,4ptp4l0-21swapper/207:05:482
3114525442,7sleep70-21swapper/707:05:017
111391530,5ptp4l0-21swapper/607:05:196
3270825038,7sleep10-21swapper/107:05:361
40524636,6sleep50-21swapper/507:07:335
111391340,0ptp4l0-21swapper/509:25:195
111391330,4ptp4l0-21swapper/708:55:157
111391330,3ptp4l0-21swapper/510:23:575
111391330,0ptp4l0-21swapper/612:03:196
111391320,4ptp4l24088-21diskmemload09:58:427
111391320,1ptp4l8313-21latency_hist08:35:015
111391320,0ptp4l0-21swapper/709:18:297
111391310,0ptp4l0-21swapper/711:36:147
111391310,0ptp4l0-21swapper/512:02:245
111391310,0ptp4l0-21swapper/508:40:195
111391310,0ptp4l0-21swapper/308:05:143
111391310,0ptp4l0-21swapper/009:40:150
111391300,0ptp4l0-21swapper/510:38:195
111391300,0ptp4l0-21swapper/510:38:195
111391300,0ptp4l0-21swapper/510:33:555
111391300,0ptp4l0-21swapper/510:33:555
111391300,0ptp4l0-21swapper/510:12:455
111391300,0ptp4l0-21swapper/009:36:110
111391290,2ptp4l0-21swapper/710:21:317
111391290,0ptp4l0-21swapper/309:59:003
111391290,0ptp4l0-21swapper/010:11:560
111391290,0ptp4l0-21swapper/010:05:510
97299280,26cyclictest0-21swapper/508:49:385
111391280,2ptp4l0-21swapper/012:35:130
111391280,0ptp4l0-21swapper/609:13:416
111391280,0ptp4l0-21swapper/512:22:335
111391280,0ptp4l0-21swapper/511:06:285
111391280,0ptp4l0-21swapper/012:26:590
111391280,0ptp4l0-21swapper/011:40:220
111391280,0ptp4l0-21swapper/011:25:250
111391280,0ptp4l0-21swapper/010:57:380
111391270,0ptp4l0-21swapper/710:02:387
111391270,0ptp4l0-21swapper/510:57:575
111391270,0ptp4l0-21swapper/510:47:525
111391270,0ptp4l0-21swapper/311:48:073
111391270,0ptp4l0-21swapper/311:24:593
111391270,0ptp4l0-21swapper/310:07:503
111391270,0ptp4l0-21swapper/011:52:450
972992624,1cyclictest0-21swapper/508:15:355
111391260,0ptp4l0-21swapper/711:43:307
111391260,0ptp4l0-21swapper/710:31:067
111391260,0ptp4l0-21swapper/710:31:067
111391260,0ptp4l0-21swapper/511:37:095
111391260,0ptp4l0-21swapper/510:50:135
111391260,0ptp4l0-21swapper/510:43:085
111391260,0ptp4l0-21swapper/310:15:193
111391260,0ptp4l0-21swapper/110:52:291
111391260,0ptp4l0-21swapper/110:33:561
111391260,0ptp4l0-21swapper/110:33:561
111391260,0ptp4l0-21swapper/012:32:060
111391260,0ptp4l0-21swapper/011:30:340
111391260,0ptp4l0-21swapper/009:19:220
111391250,1ptp4l20383-21df_inode07:50:117
111391250,1ptp4l20383-21df_inode07:50:117
111391250,1ptp4l1963-21df_inode12:25:121
111391250,1ptp4l0-21swapper/711:49:077
111391250,0ptp4l1461-21ssh09:21:283
111391250,0ptp4l0-21swapper/711:54:427
111391250,0ptp4l0-21swapper/707:15:157
111391250,0ptp4l0-21swapper/608:28:176
111391250,0ptp4l0-21swapper/512:29:425
111391250,0ptp4l0-21swapper/512:10:565
111391250,0ptp4l0-21swapper/511:11:425
111391250,0ptp4l0-21swapper/509:51:545
111391250,0ptp4l0-21swapper/509:02:385
111391250,0ptp4l0-21swapper/507:26:085
111391250,0ptp4l0-21swapper/410:20:154
111391250,0ptp4l0-21swapper/309:36:383
111391250,0ptp4l0-21swapper/309:12:123
111391250,0ptp4l0-21swapper/307:50:133
111391250,0ptp4l0-21swapper/307:50:133
111391250,0ptp4l0-21swapper/111:59:271
111391250,0ptp4l0-21swapper/111:45:201
111391250,0ptp4l0-21swapper/109:49:101
111391250,0ptp4l0-21swapper/109:42:251
111391250,0ptp4l0-21swapper/012:20:370
111391250,0ptp4l0-21swapper/012:10:000
111391250,0ptp4l0-21swapper/012:02:200
111391250,0ptp4l0-21swapper/010:30:170
111391250,0ptp4l0-21swapper/010:30:170
111391240,3ptp4l0-21swapper/707:33:327
111391240,1ptp4l8031-21sh12:34:061
111391240,1ptp4l6670-21fw_conntrack10:15:137
111391240,1ptp4l3799-21memory09:25:160
111391240,1ptp4l31323-21cat10:05:004
111391240,1ptp4l20208-21df12:05:121
111391240,1ptp4l13498-21irqrtprio08:45:167
111391240,1ptp4l13363-21kernelversion11:55:167
111391240,1ptp4l1-21systemd09:30:000
111391240,0ptp4l0-21swapper/712:15:217
111391240,0ptp4l0-21swapper/711:32:297
111391240,0ptp4l0-21swapper/709:10:127
111391240,0ptp4l0-21swapper/709:06:107
111391240,0ptp4l0-21swapper/512:38:595
111391240,0ptp4l0-21swapper/511:21:575
111391240,0ptp4l0-21swapper/509:46:475
111391240,0ptp4l0-21swapper/509:31:345
111391240,0ptp4l0-21swapper/409:45:144
111391240,0ptp4l0-21swapper/311:56:343
111391240,0ptp4l0-21swapper/310:55:153
111391240,0ptp4l0-21swapper/310:35:003
111391240,0ptp4l0-21swapper/310:35:003
111391240,0ptp4l0-21swapper/309:17:183
111391240,0ptp4l0-21swapper/309:05:123
111391240,0ptp4l0-21swapper/210:05:112
111391240,0ptp4l0-21swapper/209:15:172
111391240,0ptp4l0-21swapper/109:40:001
111391240,0ptp4l0-21swapper/109:00:181
111391240,0ptp4l0-21swapper/109:00:001
111391240,0ptp4l0-21swapper/011:14:430
111391240,0ptp4l0-21swapper/009:50:170
97299230,22cyclictest0-21swapper/508:35:055
97299230,22cyclictest0-21swapper/508:10:155
111391230,1ptp4l9596-21sh09:34:147
111391230,1ptp4l24088-21diskmemload10:18:550
111391230,1ptp4l19869-21sed11:20:011
111391230,1ptp4l1068-21runrttasks11:57:250
111391230,0ptp4l6324-21kworker/0:010:20:130
111391230,0ptp4l28233-21irqrtprio10:45:160
111391230,0ptp4l14941-21kworker/5:108:50:155
111391230,0ptp4l0-21swapper/712:35:197
111391230,0ptp4l0-21swapper/712:14:197
111391230,0ptp4l0-21swapper/711:25:147
111391230,0ptp4l0-21swapper/711:24:587
111391230,0ptp4l0-21swapper/711:05:187
111391230,0ptp4l0-21swapper/710:53:477
111391230,0ptp4l0-21swapper/710:27:117
111391230,0ptp4l0-21swapper/709:20:167
111391230,0ptp4l0-21swapper/709:04:437
111391230,0ptp4l0-21swapper/708:25:197
111391230,0ptp4l0-21swapper/708:10:137
111391230,0ptp4l0-21swapper/707:49:017
111391230,0ptp4l0-21swapper/707:30:007
111391230,0ptp4l0-21swapper/609:40:116
111391230,0ptp4l0-21swapper/608:07:106
111391230,0ptp4l0-21swapper/511:40:565
111391230,0ptp4l0-21swapper/511:32:065
111391230,0ptp4l0-21swapper/511:00:145
111391230,0ptp4l0-21swapper/510:05:175
111391230,0ptp4l0-21swapper/510:00:125
111391230,0ptp4l0-21swapper/509:44:175
111391230,0ptp4l0-21swapper/509:15:195
111391230,0ptp4l0-21swapper/508:20:125
111391230,0ptp4l0-21swapper/507:55:105
111391230,0ptp4l0-21swapper/412:35:164
111391230,0ptp4l0-21swapper/412:25:214
111391230,0ptp4l0-21swapper/412:21:584
111391230,0ptp4l0-21swapper/412:07:254
111391230,0ptp4l0-21swapper/412:00:114
111391230,0ptp4l0-21swapper/411:59:564
111391230,0ptp4l0-21swapper/411:50:154
111391230,0ptp4l0-21swapper/411:40:034
111391230,0ptp4l0-21swapper/411:37:134
111391230,0ptp4l0-21swapper/410:45:154
111391230,0ptp4l0-21swapper/410:40:494
111391230,0ptp4l0-21swapper/410:35:194
111391230,0ptp4l0-21swapper/410:35:184
111391230,0ptp4l0-21swapper/410:30:154
111391230,0ptp4l0-21swapper/410:30:154
111391230,0ptp4l0-21swapper/410:25:104
111391230,0ptp4l0-21swapper/410:18:224
111391230,0ptp4l0-21swapper/410:09:314
111391230,0ptp4l0-21swapper/409:50:134
111391230,0ptp4l0-21swapper/409:30:214
111391230,0ptp4l0-21swapper/409:25:154
111391230,0ptp4l0-21swapper/409:13:254
111391230,0ptp4l0-21swapper/312:35:203
111391230,0ptp4l0-21swapper/312:32:263
111391230,0ptp4l0-21swapper/311:35:153
111391230,0ptp4l0-21swapper/311:25:183
111391230,0ptp4l0-21swapper/311:15:203
111391230,0ptp4l0-21swapper/311:05:213
111391230,0ptp4l0-21swapper/310:53:483
111391230,0ptp4l0-21swapper/310:36:413
111391230,0ptp4l0-21swapper/310:36:413
111391230,0ptp4l0-21swapper/310:21:463
111391230,0ptp4l0-21swapper/310:03:123
111391230,0ptp4l0-21swapper/309:25:023
111391230,0ptp4l0-21swapper/308:55:193
111391230,0ptp4l0-21swapper/308:25:123
111391230,0ptp4l0-21swapper/308:10:163
111391230,0ptp4l0-21swapper/307:15:163
111391230,0ptp4l0-21swapper/212:24:152
111391230,0ptp4l0-21swapper/212:00:182
111391230,0ptp4l0-21swapper/209:40:112
111391230,0ptp4l0-21swapper/112:20:121
111391230,0ptp4l0-21swapper/112:11:111
111391230,0ptp4l0-21swapper/111:50:361
111391230,0ptp4l0-21swapper/111:39:301
111391230,0ptp4l0-21swapper/111:20:171
111391230,0ptp4l0-21swapper/110:00:111
111391230,0ptp4l0-21swapper/108:50:131
111391230,0ptp4l0-21swapper/107:55:111
111391230,0ptp4l0-21swapper/107:25:171
111391230,0ptp4l0-21swapper/011:00:080
111391230,0ptp4l0-21swapper/010:35:140
111391230,0ptp4l0-21swapper/010:35:140
111391230,0ptp4l0-21swapper/010:25:120
111391230,0ptp4l0-21swapper/010:00:140
111391230,0ptp4l0-21swapper/009:45:140
111391230,0ptp4l0-21swapper/009:14:550
111391230,0ptp4l0-21swapper/008:15:170
111391230,0ptp4l0-21swapper/007:44:340
111391230,0ptp4l0-21swapper/007:10:120
111391220,1ptp4l31878-21fw_forwarded_lo08:15:147
111391220,1ptp4l0-21swapper/708:54:557
111391220,0ptp4l13372-21ssh11:10:114
111391220,0ptp4l0-21swapper/712:32:357
111391220,0ptp4l0-21swapper/712:06:377
111391220,0ptp4l0-21swapper/711:15:217
111391220,0ptp4l0-21swapper/710:55:227
111391220,0ptp4l0-21swapper/710:46:497
111391220,0ptp4l0-21swapper/710:13:547
111391220,0ptp4l0-21swapper/709:35:037
111391220,0ptp4l0-21swapper/708:25:007
111391220,0ptp4l0-21swapper/707:35:017
111391220,0ptp4l0-21swapper/611:58:496
111391220,0ptp4l0-21swapper/611:07:176
111391220,0ptp4l0-21swapper/610:05:136
111391220,0ptp4l0-21swapper/609:59:476
111391220,0ptp4l0-21swapper/607:40:016
111391220,0ptp4l0-21swapper/607:35:196
111391220,0ptp4l0-21swapper/512:30:135
111391220,0ptp4l0-21swapper/512:18:305
111391220,0ptp4l0-21swapper/512:05:035
111391220,0ptp4l0-21swapper/511:59:175
111391220,0ptp4l0-21swapper/511:53:065
111391220,0ptp4l0-21swapper/511:28:325
111391220,0ptp4l0-21swapper/510:28:575
111391220,0ptp4l0-21swapper/509:37:275
111391220,0ptp4l0-21swapper/509:24:115
111391220,0ptp4l0-21swapper/509:10:325
111391220,0ptp4l0-21swapper/508:29:175
111391220,0ptp4l0-21swapper/507:40:125
111391220,0ptp4l0-21swapper/412:33:524
111391220,0ptp4l0-21swapper/412:15:494
111391220,0ptp4l0-21swapper/412:10:114
111391220,0ptp4l0-21swapper/411:47:414
111391220,0ptp4l0-21swapper/411:32:274
111391220,0ptp4l0-21swapper/411:05:114
111391220,0ptp4l0-21swapper/411:00:234
111391220,0ptp4l0-21swapper/409:55:134
111391220,0ptp4l0-21swapper/409:25:004
111391220,0ptp4l0-21swapper/409:15:164
111391220,0ptp4l0-21swapper/408:15:154
111391220,0ptp4l0-21swapper/407:55:194
111391220,0ptp4l0-21swapper/407:45:134
111391220,0ptp4l0-21swapper/407:40:204
111391220,0ptp4l0-21swapper/407:25:204
111391220,0ptp4l0-21swapper/407:20:164
111391220,0ptp4l0-21swapper/407:10:164
111391220,0ptp4l0-21swapper/312:15:133
111391220,0ptp4l0-21swapper/312:14:393
111391220,0ptp4l0-21swapper/311:54:023
111391220,0ptp4l0-21swapper/311:42:553
111391220,0ptp4l0-21swapper/310:28:093
111391220,0ptp4l0-21swapper/310:14:063
111391220,0ptp4l0-21swapper/309:33:113
111391220,0ptp4l0-21swapper/308:45:223
111391220,0ptp4l0-21swapper/308:40:453
111391220,0ptp4l0-21swapper/308:24:273
111391220,0ptp4l0-21swapper/307:35:153
111391220,0ptp4l0-21swapper/307:30:123
111391220,0ptp4l0-21swapper/307:12:163
111391220,0ptp4l0-21swapper/212:07:012
111391220,0ptp4l0-21swapper/211:19:352
111391220,0ptp4l0-21swapper/211:13:172
111391220,0ptp4l0-21swapper/210:18:312
111391220,0ptp4l0-21swapper/207:39:532
111391220,0ptp4l0-21swapper/112:37:291
111391220,0ptp4l0-21swapper/112:16:541
111391220,0ptp4l0-21swapper/112:00:571
111391220,0ptp4l0-21swapper/111:40:571
111391220,0ptp4l0-21swapper/111:30:201
111391220,0ptp4l0-21swapper/111:29:151
111391220,0ptp4l0-21swapper/111:11:531
111391220,0ptp4l0-21swapper/111:09:021
111391220,0ptp4l0-21swapper/111:00:121
111391220,0ptp4l0-21swapper/110:40:121
111391220,0ptp4l0-21swapper/110:39:011
111391220,0ptp4l0-21swapper/110:39:011
111391220,0ptp4l0-21swapper/110:24:131
111391220,0ptp4l0-21swapper/110:17:431
111391220,0ptp4l0-21swapper/110:10:121
111391220,0ptp4l0-21swapper/109:59:511
111391220,0ptp4l0-21swapper/109:30:421
111391220,0ptp4l0-21swapper/109:25:181
111391220,0ptp4l0-21swapper/109:15:331
111391220,0ptp4l0-21swapper/109:10:511
111391220,0ptp4l0-21swapper/108:40:151
111391220,0ptp4l0-21swapper/108:30:151
111391220,0ptp4l0-21swapper/108:20:211
111391220,0ptp4l0-21swapper/108:17:061
111391220,0ptp4l0-21swapper/108:00:161
111391220,0ptp4l0-21swapper/107:19:371
111391220,0ptp4l0-21swapper/012:19:420
111391220,0ptp4l0-21swapper/012:08:310
111391220,0ptp4l0-21swapper/011:45:490
111391220,0ptp4l0-21swapper/011:05:010
111391220,0ptp4l0-21swapper/010:53:070
111391220,0ptp4l0-21swapper/010:44:290
111391220,0ptp4l0-21swapper/009:55:140
111391220,0ptp4l0-21swapper/009:21:040
111391220,0ptp4l0-21swapper/007:53:520
111391220,0ptp4l0-21swapper/007:53:510
111391220,0ptp4l0-21swapper/007:45:170
111391220,0ptp4l0-21swapper/007:20:110
111391210,0ptp4l24088-21diskmemload11:03:316
111391210,0ptp4l0-21swapper/711:11:157
111391210,0ptp4l0-21swapper/710:35:017
111391210,0ptp4l0-21swapper/710:35:017
111391210,0ptp4l0-21swapper/710:07:387
111391210,0ptp4l0-21swapper/709:25:507
111391210,0ptp4l0-21swapper/708:41:467
111391210,0ptp4l0-21swapper/708:05:017
111391210,0ptp4l0-21swapper/612:25:426
111391210,0ptp4l0-21swapper/612:16:236
111391210,0ptp4l0-21swapper/611:30:416
111391210,0ptp4l0-21swapper/610:25:196
111391210,0ptp4l0-21swapper/610:22:236
111391210,0ptp4l0-21swapper/609:54:556
111391210,0ptp4l0-21swapper/609:49:096
111391210,0ptp4l0-21swapper/511:45:195
111391210,0ptp4l0-21swapper/511:19:575
111391210,0ptp4l0-21swapper/510:19:145
111391210,0ptp4l0-21swapper/509:56:335
111391210,0ptp4l0-21swapper/507:51:495
111391210,0ptp4l0-21swapper/507:51:485
111391210,0ptp4l0-21swapper/507:10:395
111391210,0ptp4l0-21swapper/411:26:504
111391210,0ptp4l0-21swapper/411:21:444
111391210,0ptp4l0-21swapper/410:50:394
111391210,0ptp4l0-21swapper/410:13:194
111391210,0ptp4l0-21swapper/409:42:524
111391210,0ptp4l0-21swapper/409:38:114
111391210,0ptp4l0-21swapper/408:01:004
111391210,0ptp4l0-21swapper/311:32:373
111391210,0ptp4l0-21swapper/311:10:483
111391210,0ptp4l0-21swapper/310:46:583
111391210,0ptp4l0-21swapper/308:51:153
111391210,0ptp4l0-21swapper/308:19:583
111391210,0ptp4l0-21swapper/307:48:373
111391210,0ptp4l0-21swapper/307:41:503
111391210,0ptp4l0-21swapper/212:26:502
111391210,0ptp4l0-21swapper/211:07:092
111391210,0ptp4l0-21swapper/209:54:532
111391210,0ptp4l0-21swapper/207:40:222
111391210,0ptp4l0-21swapper/110:58:041
111391210,0ptp4l0-21swapper/110:46:151
111391210,0ptp4l0-21swapper/110:29:311
111391210,0ptp4l0-21swapper/110:06:531
111391210,0ptp4l0-21swapper/109:24:241
111391210,0ptp4l0-21swapper/108:50:011
111391210,0ptp4l0-21swapper/108:35:161
111391210,0ptp4l0-21swapper/107:51:391
111391210,0ptp4l0-21swapper/107:51:391
111391210,0ptp4l0-21swapper/107:45:121
111391210,0ptp4l0-21swapper/107:23:381
111391210,0ptp4l0-21swapper/011:37:110
111391210,0ptp4l0-21swapper/011:20:430
111391210,0ptp4l0-21swapper/007:39:450
111391210,0ptp4l0-21swapper/007:26:050
972992018,1cyclictest0-21swapper/508:55:035
111391200,0ptp4l0-21swapper/612:24:176
111391200,0ptp4l0-21swapper/611:12:236
111391200,0ptp4l0-21swapper/609:37:246
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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