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2026-04-16 - 22:59

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 Thu Apr 16, 2026 12:46:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,5ptp4l0-21swapper/107:06:271
1471926241,6sleep20-21swapper/207:07:142
81522600,1sleep61068-21runrttasks09:10:516
73362560,0sleep10-21swapper/112:12:231
111391540,11ptp4l0-21swapper/507:05:135
202802530,0sleep00-21swapper/007:20:000
202802530,0sleep00-21swapper/007:20:000
1478025343,6sleep70-21swapper/707:07:597
1479124937,7sleep00-21swapper/007:08:070
1478624837,6sleep40-21swapper/407:08:044
1475024736,7sleep30-21swapper/307:07:393
1462324736,6sleep60-21swapper/607:05:576
111391320,0ptp4l0-21swapper/409:30:154
111391310,0ptp4l0-21swapper/011:00:140
111391300,3ptp4l0-21swapper/412:01:274
111391300,0ptp4l0-21swapper/411:48:264
111391300,0ptp4l0-21swapper/407:40:154
111391300,0ptp4l0-21swapper/312:27:333
111391300,0ptp4l0-21swapper/211:27:432
111391300,0ptp4l0-21swapper/110:56:071
111391290,0ptp4l0-21swapper/411:35:124
111391290,0ptp4l0-21swapper/311:18:493
111391290,0ptp4l0-21swapper/109:43:251
111391290,0ptp4l0-21swapper/011:36:370
111391290,0ptp4l0-21swapper/011:05:120
111391290,0ptp4l0-21swapper/009:55:140
111391290,0ptp4l0-21swapper/009:55:140
111391280,0ptp4l0-21swapper/711:06:187
111391280,0ptp4l0-21swapper/610:34:196
111391280,0ptp4l0-21swapper/609:35:506
111391280,0ptp4l0-21swapper/412:05:044
111391280,0ptp4l0-21swapper/411:57:364
111391280,0ptp4l0-21swapper/410:05:204
111391280,0ptp4l0-21swapper/409:53:494
111391280,0ptp4l0-21swapper/210:45:142
111391280,0ptp4l0-21swapper/012:35:220
111391280,0ptp4l0-21swapper/012:35:210
111391280,0ptp4l0-21swapper/012:19:390
111391280,0ptp4l0-21swapper/010:45:180
111391280,0ptp4l0-21swapper/009:49:590
111391280,0ptp4l0-21swapper/009:35:230
111391270,3ptp4l0-21swapper/412:35:384
111391270,3ptp4l0-21swapper/412:35:384
111391270,3ptp4l0-21swapper/011:53:510
111391270,0ptp4l0-21swapper/412:29:424
111391270,0ptp4l0-21swapper/412:19:384
111391270,0ptp4l0-21swapper/411:43:014
111391270,0ptp4l0-21swapper/209:35:512
111391270,0ptp4l0-21swapper/110:44:521
111391270,0ptp4l0-21swapper/012:26:470
111391270,0ptp4l0-21swapper/012:04:410
111391270,0ptp4l0-21swapper/011:55:200
111391270,0ptp4l0-21swapper/011:48:300
111391270,0ptp4l0-21swapper/010:54:020
111391270,0ptp4l0-21swapper/010:20:150
111391260,3ptp4l0-21swapper/407:25:154
111391260,2ptp4l0-21swapper/611:15:296
111391260,0ptp4l0-21swapper/710:30:547
111391260,0ptp4l0-21swapper/612:30:156
111391260,0ptp4l0-21swapper/511:15:405
111391260,0ptp4l0-21swapper/412:24:074
111391260,0ptp4l0-21swapper/411:04:534
111391260,0ptp4l0-21swapper/410:18:194
111391260,0ptp4l0-21swapper/408:30:134
111391260,0ptp4l0-21swapper/407:55:144
111391260,0ptp4l0-21swapper/209:29:542
111391260,0ptp4l0-21swapper/209:23:042
111391260,0ptp4l0-21swapper/110:10:231
111391260,0ptp4l0-21swapper/011:43:490
111391260,0ptp4l0-21swapper/011:33:140
111391260,0ptp4l0-21swapper/011:25:350
111391260,0ptp4l0-21swapper/011:21:270
111391260,0ptp4l0-21swapper/010:32:190
111391260,0ptp4l0-21swapper/010:17:320
111391260,0ptp4l0-21swapper/010:10:160
111391260,0ptp4l0-21swapper/009:15:220
111391250,3ptp4l0-21swapper/111:16:021
111391250,0ptp4l0-21swapper/712:31:127
111391250,0ptp4l0-21swapper/710:47:397
111391250,0ptp4l0-21swapper/710:23:547
111391250,0ptp4l0-21swapper/611:58:406
111391250,0ptp4l0-21swapper/511:28:035
111391250,0ptp4l0-21swapper/509:43:325
111391250,0ptp4l0-21swapper/410:33:544
111391250,0ptp4l0-21swapper/409:55:174
111391250,0ptp4l0-21swapper/409:55:174
111391250,0ptp4l0-21swapper/409:45:204
111391250,0ptp4l0-21swapper/409:40:184
111391250,0ptp4l0-21swapper/408:20:114
111391250,0ptp4l0-21swapper/109:21:081
111391250,0ptp4l0-21swapper/109:12:271
111391250,0ptp4l0-21swapper/108:50:141
111391250,0ptp4l0-21swapper/011:11:340
111391250,0ptp4l0-21swapper/010:41:580
111391250,0ptp4l0-21swapper/010:27:580
111391250,0ptp4l0-21swapper/010:05:130
111391250,0ptp4l0-21swapper/009:26:490
111391250,0ptp4l0-21swapper/009:00:100
111391250,0ptp4l0-21swapper/007:49:480
111391240,3ptp4l481ktimersoftd/411:06:334
111391240,1ptp4l9683-21munin-run09:15:004
111391240,1ptp4l6269-21sensors12:10:184
111391240,1ptp4l22949-21/usr/sbin/munin07:25:100
111391240,1ptp4l17431-21hddtemp_smartct10:10:134
111391240,0ptp4l0-21swapper/709:19:577
111391240,0ptp4l0-21swapper/612:17:276
111391240,0ptp4l0-21swapper/610:59:286
111391240,0ptp4l0-21swapper/610:51:586
111391240,0ptp4l0-21swapper/609:47:466
111391240,0ptp4l0-21swapper/609:41:446
111391240,0ptp4l0-21swapper/609:20:416
111391240,0ptp4l0-21swapper/609:10:006
111391240,0ptp4l0-21swapper/608:50:186
111391240,0ptp4l0-21swapper/512:36:385
111391240,0ptp4l0-21swapper/512:36:375
111391240,0ptp4l0-21swapper/511:30:185
111391240,0ptp4l0-21swapper/509:20:565
111391240,0ptp4l0-21swapper/412:30:404
111391240,0ptp4l0-21swapper/411:33:184
111391240,0ptp4l0-21swapper/411:26:234
111391240,0ptp4l0-21swapper/410:49:154
111391240,0ptp4l0-21swapper/410:44:044
111391240,0ptp4l0-21swapper/410:20:134
111391240,0ptp4l0-21swapper/410:02:234
111391240,0ptp4l0-21swapper/410:02:234
111391240,0ptp4l0-21swapper/409:38:164
111391240,0ptp4l0-21swapper/409:17:174
111391240,0ptp4l0-21swapper/408:50:584
111391240,0ptp4l0-21swapper/408:00:154
111391240,0ptp4l0-21swapper/311:41:123
111391240,0ptp4l0-21swapper/310:48:103
111391240,0ptp4l0-21swapper/211:05:132
111391240,0ptp4l0-21swapper/210:34:442
111391240,0ptp4l0-21swapper/210:04:332
111391240,0ptp4l0-21swapper/210:04:332
111391240,0ptp4l0-21swapper/209:55:392
111391240,0ptp4l0-21swapper/209:55:392
111391240,0ptp4l0-21swapper/112:02:221
111391240,0ptp4l0-21swapper/111:27:541
111391240,0ptp4l0-21swapper/010:55:170
111391240,0ptp4l0-21swapper/009:15:000
111391240,0ptp4l0-21swapper/008:45:580
111391240,0ptp4l0-21swapper/008:30:190
111391240,0ptp4l0-21swapper/008:00:110
111391240,0ptp4l0-21swapper/007:40:130
111391230,1ptp4l32322-21kworker/u16:212:13:310
111391230,1ptp4l1068-21runrttasks11:10:414
111391230,0ptp4l5974-21diskmemload12:35:121
111391230,0ptp4l5974-21diskmemload12:35:121
111391230,0ptp4l18316-21switchtime10:10:195
111391230,0ptp4l0-21swapper/712:27:207
111391230,0ptp4l0-21swapper/709:20:137
111391230,0ptp4l0-21swapper/708:05:217
111391230,0ptp4l0-21swapper/612:10:116
111391230,0ptp4l0-21swapper/611:45:216
111391230,0ptp4l0-21swapper/611:07:456
111391230,0ptp4l0-21swapper/611:01:196
111391230,0ptp4l0-21swapper/610:24:556
111391230,0ptp4l0-21swapper/610:15:136
111391230,0ptp4l0-21swapper/610:05:536
111391230,0ptp4l0-21swapper/609:51:596
111391230,0ptp4l0-21swapper/607:35:196
111391230,0ptp4l0-21swapper/607:30:016
111391230,0ptp4l0-21swapper/607:18:016
111391230,0ptp4l0-21swapper/607:18:006
111391230,0ptp4l0-21swapper/512:00:535
111391230,0ptp4l0-21swapper/510:00:135
111391230,0ptp4l0-21swapper/510:00:135
111391230,0ptp4l0-21swapper/509:25:115
111391230,0ptp4l0-21swapper/508:35:005
111391230,0ptp4l0-21swapper/508:25:155
111391230,0ptp4l0-21swapper/508:01:005
111391230,0ptp4l0-21swapper/507:45:175
111391230,0ptp4l0-21swapper/411:54:494
111391230,0ptp4l0-21swapper/411:20:214
111391230,0ptp4l0-21swapper/411:18:314
111391230,0ptp4l0-21swapper/410:55:134
111391230,0ptp4l0-21swapper/410:35:134
111391230,0ptp4l0-21swapper/410:25:134
111391230,0ptp4l0-21swapper/409:27:314
111391230,0ptp4l0-21swapper/409:20:194
111391230,0ptp4l0-21swapper/409:00:094
111391230,0ptp4l0-21swapper/408:45:124
111391230,0ptp4l0-21swapper/408:25:194
111391230,0ptp4l0-21swapper/407:45:124
111391230,0ptp4l0-21swapper/407:30:174
111391230,0ptp4l0-21swapper/312:37:513
111391230,0ptp4l0-21swapper/312:37:513
111391230,0ptp4l0-21swapper/312:33:393
111391230,0ptp4l0-21swapper/309:20:143
111391230,0ptp4l0-21swapper/212:30:122
111391230,0ptp4l0-21swapper/211:45:202
111391230,0ptp4l0-21swapper/210:56:572
111391230,0ptp4l0-21swapper/209:51:592
111391230,0ptp4l0-21swapper/209:10:122
111391230,0ptp4l0-21swapper/111:30:121
111391230,0ptp4l0-21swapper/110:00:151
111391230,0ptp4l0-21swapper/110:00:151
111391230,0ptp4l0-21swapper/109:51:471
111391230,0ptp4l0-21swapper/107:15:011
111391230,0ptp4l0-21swapper/107:15:011
111391230,0ptp4l0-21swapper/012:20:190
111391230,0ptp4l0-21swapper/012:05:120
111391230,0ptp4l0-21swapper/011:17:110
111391230,0ptp4l0-21swapper/010:37:030
111391230,0ptp4l0-21swapper/009:52:010
111391230,0ptp4l0-21swapper/009:40:140
111391230,0ptp4l0-21swapper/009:30:150
111391230,0ptp4l0-21swapper/008:55:150
111391230,0ptp4l0-21swapper/008:40:120
111391230,0ptp4l0-21swapper/008:25:180
111391230,0ptp4l0-21swapper/008:25:000
111391230,0ptp4l0-21swapper/008:15:190
111391230,0ptp4l0-21swapper/008:15:010
111391230,0ptp4l0-21swapper/007:55:130
111391230,0ptp4l0-21swapper/007:30:120
111391230,0ptp4l0-21swapper/007:10:110
111391220,1ptp4l8970-21grep08:05:123
111391220,0ptp4l5974-21diskmemload12:05:502
111391220,0ptp4l0-21swapper/711:41:557
111391220,0ptp4l0-21swapper/711:25:577
111391220,0ptp4l0-21swapper/710:26:277
111391220,0ptp4l0-21swapper/612:35:156
111391220,0ptp4l0-21swapper/612:35:156
111391220,0ptp4l0-21swapper/612:23:296
111391220,0ptp4l0-21swapper/611:35:196
111391220,0ptp4l0-21swapper/611:25:136
111391220,0ptp4l0-21swapper/610:45:016
111391220,0ptp4l0-21swapper/610:35:206
111391220,0ptp4l0-21swapper/610:12:036
111391220,0ptp4l0-21swapper/610:01:256
111391220,0ptp4l0-21swapper/610:01:256
111391220,0ptp4l0-21swapper/609:55:556
111391220,0ptp4l0-21swapper/609:55:556
111391220,0ptp4l0-21swapper/609:33:026
111391220,0ptp4l0-21swapper/609:16:476
111391220,0ptp4l0-21swapper/512:26:575
111391220,0ptp4l0-21swapper/512:23:005
111391220,0ptp4l0-21swapper/512:14:015
111391220,0ptp4l0-21swapper/512:05:315
111391220,0ptp4l0-21swapper/511:57:545
111391220,0ptp4l0-21swapper/511:52:175
111391220,0ptp4l0-21swapper/511:24:135
111391220,0ptp4l0-21swapper/510:44:515
111391220,0ptp4l0-21swapper/510:32:485
111391220,0ptp4l0-21swapper/509:52:375
111391220,0ptp4l0-21swapper/509:15:475
111391220,0ptp4l0-21swapper/509:10:535
111391220,0ptp4l0-21swapper/508:16:585
111391220,0ptp4l0-21swapper/410:50:134
111391220,0ptp4l0-21swapper/409:00:004
111391220,0ptp4l0-21swapper/408:40:114
111391220,0ptp4l0-21swapper/408:35:164
111391220,0ptp4l0-21swapper/408:15:174
111391220,0ptp4l0-21swapper/407:50:114
111391220,0ptp4l0-21swapper/407:35:144
111391220,0ptp4l0-21swapper/407:20:154
111391220,0ptp4l0-21swapper/407:20:154
111391220,0ptp4l0-21swapper/310:31:193
111391220,0ptp4l0-21swapper/212:22:522
111391220,0ptp4l0-21swapper/212:15:112
111391220,0ptp4l0-21swapper/212:00:202
111391220,0ptp4l0-21swapper/211:42:172
111391220,0ptp4l0-21swapper/211:34:052
111391220,0ptp4l0-21swapper/211:13:552
111391220,0ptp4l0-21swapper/210:40:452
111391220,0ptp4l0-21swapper/210:35:192
111391220,0ptp4l0-21swapper/210:28:112
111391220,0ptp4l0-21swapper/210:23:292
111391220,0ptp4l0-21swapper/210:15:132
111391220,0ptp4l0-21swapper/210:13:592
111391220,0ptp4l0-21swapper/210:10:002
111391220,0ptp4l0-21swapper/209:32:592
111391220,0ptp4l0-21swapper/208:50:162
111391220,0ptp4l0-21swapper/208:40:202
111391220,0ptp4l0-21swapper/208:12:192
111391220,0ptp4l0-21swapper/207:46:192
111391220,0ptp4l0-21swapper/207:15:192
111391220,0ptp4l0-21swapper/207:15:192
111391220,0ptp4l0-21swapper/112:19:051
111391220,0ptp4l0-21swapper/112:05:551
111391220,0ptp4l0-21swapper/111:11:011
111391220,0ptp4l0-21swapper/111:05:011
111391220,0ptp4l0-21swapper/110:36:111
111391220,0ptp4l0-21swapper/110:34:251
111391220,0ptp4l0-21swapper/109:56:421
111391220,0ptp4l0-21swapper/109:56:411
111391220,0ptp4l0-21swapper/109:45:231
111391220,0ptp4l0-21swapper/109:25:151
111391220,0ptp4l0-21swapper/109:18:591
111391220,0ptp4l0-21swapper/108:35:131
111391220,0ptp4l0-21swapper/108:30:161
111391220,0ptp4l0-21swapper/108:10:111
111391220,0ptp4l0-21swapper/108:00:011
111391220,0ptp4l0-21swapper/107:45:151
111391220,0ptp4l0-21swapper/009:20:180
111391220,0ptp4l0-21swapper/009:05:150
111391220,0ptp4l0-21swapper/008:35:170
111391220,0ptp4l0-21swapper/007:50:200
111391210,1ptp4l26753-21ssh10:23:271
111391210,0ptp4l0-21swapper/712:37:447
111391210,0ptp4l0-21swapper/712:37:437
111391210,0ptp4l0-21swapper/711:52:537
111391210,0ptp4l0-21swapper/709:14:017
111391210,0ptp4l0-21swapper/612:08:066
111391210,0ptp4l0-21swapper/612:03:246
111391210,0ptp4l0-21swapper/611:51:406
111391210,0ptp4l0-21swapper/611:22:336
111391210,0ptp4l0-21swapper/610:40:326
111391210,0ptp4l0-21swapper/610:29:296
111391210,0ptp4l0-21swapper/609:29:576
111391210,0ptp4l0-21swapper/608:40:006
111391210,0ptp4l0-21swapper/512:16:195
111391210,0ptp4l0-21swapper/511:10:595
111391210,0ptp4l0-21swapper/511:09:465
111391210,0ptp4l0-21swapper/510:55:595
111391210,0ptp4l0-21swapper/510:53:075
111391210,0ptp4l0-21swapper/510:36:445
111391210,0ptp4l0-21swapper/509:58:445
111391210,0ptp4l0-21swapper/509:58:445
111391210,0ptp4l0-21swapper/509:47:165
111391210,0ptp4l0-21swapper/509:36:285
111391210,0ptp4l0-21swapper/509:06:455
111391210,0ptp4l0-21swapper/508:10:125
111391210,0ptp4l0-21swapper/507:10:015
111391210,0ptp4l0-21swapper/409:05:224
111391210,0ptp4l0-21swapper/310:23:593
111391210,0ptp4l0-21swapper/309:19:193
111391210,0ptp4l0-21swapper/309:14:053
111391210,0ptp4l0-21swapper/308:48:433
111391210,0ptp4l0-21swapper/212:35:132
111391210,0ptp4l0-21swapper/212:35:132
111391210,0ptp4l0-21swapper/211:51:212
111391210,0ptp4l0-21swapper/211:35:182
111391210,0ptp4l0-21swapper/211:22:322
111391210,0ptp4l0-21swapper/211:01:212
111391210,0ptp4l0-21swapper/210:53:112
111391210,0ptp4l0-21swapper/209:46:532
111391210,0ptp4l0-21swapper/209:41:312
111391210,0ptp4l0-21swapper/209:15:232
111391210,0ptp4l0-21swapper/207:35:212
111391210,0ptp4l0-21swapper/112:22:321
111391210,0ptp4l0-21swapper/111:47:031
111391210,0ptp4l0-21swapper/111:22:011
111391210,0ptp4l0-21swapper/111:02:381
111391210,0ptp4l0-21swapper/110:52:111
111391210,0ptp4l0-21swapper/110:29:261
111391210,0ptp4l0-21swapper/110:06:091
111391210,0ptp4l0-21swapper/109:31:091
111391210,0ptp4l0-21swapper/108:00:571
111391210,0ptp4l0-21swapper/107:42:211
111391210,0ptp4l0-21swapper/012:30:180
111391210,0ptp4l0-21swapper/010:00:100
111391210,0ptp4l0-21swapper/010:00:100
111391210,0ptp4l0-21swapper/007:20:010
111391210,0ptp4l0-21swapper/007:20:010
111391200,1ptp4l29202-21pgrep07:37:570
111391200,0ptp4l0-21swapper/711:18:457
111391200,0ptp4l0-21swapper/612:30:006
111391200,0ptp4l0-21swapper/611:42:186
111391200,0ptp4l0-21swapper/611:31:226
111391200,0ptp4l0-21swapper/609:02:476
111391200,0ptp4l0-21swapper/511:47:005
111391200,0ptp4l0-21swapper/511:02:345
111391200,0ptp4l0-21swapper/510:29:245
111391200,0ptp4l0-21swapper/510:23:245
111391200,0ptp4l0-21swapper/510:17:535
111391200,0ptp4l0-21swapper/510:06:175
111391200,0ptp4l0-21swapper/509:31:115
111391200,0ptp4l0-21swapper/507:15:155
111391200,0ptp4l0-21swapper/507:15:155
111391200,0ptp4l0-21swapper/408:13:314
111391200,0ptp4l0-21swapper/407:11:574
111391200,0ptp4l0-21swapper/311:52:323
111391200,0ptp4l0-21swapper/212:27:042
111391200,0ptp4l0-21swapper/212:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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