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2026-04-06 - 02:51

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 Sun Apr 05, 2026 12:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
88582630,0sleep60-21swapper/607:20:176
111391630,5ptp4l0-21swapper/407:06:064
185026050,6sleep70-21swapper/707:05:457
156112590,0sleep20-21swapper/208:45:192
111391580,5ptp4l0-21swapper/007:06:340
219202560,0sleep2321ktimersoftd/210:35:102
80012550,0sleep00-21swapper/011:00:140
182525444,6sleep20-21swapper/207:05:242
218224938,6sleep60-21swapper/607:09:536
1881914930,4phc2sys0-21swapper/107:05:111
196524736,7sleep30-21swapper/307:07:093
192124635,6sleep50-21swapper/507:06:385
111391330,0ptp4l0-21swapper/512:04:185
111391330,0ptp4l0-21swapper/410:25:204
111391310,0ptp4l0-21swapper/510:32:265
111391310,0ptp4l0-21swapper/011:40:000
111391300,3ptp4l0-21swapper/412:38:024
111391300,0ptp4l0-21swapper/511:37:575
111391300,0ptp4l0-21swapper/409:21:334
111391300,0ptp4l0-21swapper/110:30:531
111391300,0ptp4l0-21swapper/110:14:151
111391300,0ptp4l0-21swapper/011:40:140
111391300,0ptp4l0-21swapper/011:15:150
111391300,0ptp4l0-21swapper/011:15:150
111391300,0ptp4l0-21swapper/010:14:440
111391290,0ptp4l0-21swapper/511:17:475
111391290,0ptp4l0-21swapper/511:17:475
111391290,0ptp4l0-21swapper/511:06:365
111391290,0ptp4l0-21swapper/411:49:504
111391290,0ptp4l0-21swapper/411:43:184
111391290,0ptp4l0-21swapper/410:15:144
111391290,0ptp4l0-21swapper/409:53:244
111391290,0ptp4l0-21swapper/311:05:053
111391290,0ptp4l0-21swapper/112:00:211
111391290,0ptp4l0-21swapper/111:06:041
111391290,0ptp4l0-21swapper/012:03:360
111391290,0ptp4l0-21swapper/010:53:420
111391290,0ptp4l0-21swapper/010:37:410
111391280,3ptp4l0-21swapper/010:20:170
111391280,0ptp4l0-21swapper/512:29:595
111391280,0ptp4l0-21swapper/511:53:225
111391280,0ptp4l0-21swapper/511:47:445
111391280,0ptp4l0-21swapper/511:32:445
111391280,0ptp4l0-21swapper/509:35:415
111391280,0ptp4l0-21swapper/509:17:415
111391280,0ptp4l0-21swapper/411:13:094
111391280,0ptp4l0-21swapper/410:37:394
111391280,0ptp4l0-21swapper/409:15:194
111391280,0ptp4l0-21swapper/311:22:133
111391280,0ptp4l0-21swapper/311:22:123
111391280,0ptp4l0-21swapper/110:29:431
111391280,0ptp4l0-21swapper/110:18:291
111391280,0ptp4l0-21swapper/109:51:511
111391280,0ptp4l0-21swapper/012:07:430
111391280,0ptp4l0-21swapper/011:56:000
111391280,0ptp4l0-21swapper/010:56:200
111391270,2ptp4l0-21swapper/409:45:304
111391270,0ptp4l0-21swapper/611:00:576
111391270,0ptp4l0-21swapper/609:05:146
111391270,0ptp4l0-21swapper/512:15:115
111391270,0ptp4l0-21swapper/512:13:045
111391270,0ptp4l0-21swapper/512:05:115
111391270,0ptp4l0-21swapper/509:31:395
111391270,0ptp4l0-21swapper/112:05:181
111391270,0ptp4l0-21swapper/110:08:321
111391270,0ptp4l0-21swapper/109:42:081
111391270,0ptp4l0-21swapper/012:25:180
111391270,0ptp4l0-21swapper/010:48:390
111391270,0ptp4l0-21swapper/010:43:390
111391270,0ptp4l0-21swapper/007:40:120
111391260,1ptp4l0-21swapper/009:49:110
111391260,0ptp4l0-21swapper/711:05:027
111391260,0ptp4l0-21swapper/411:50:204
111391260,0ptp4l0-21swapper/410:49:154
111391260,0ptp4l0-21swapper/409:36:384
111391260,0ptp4l0-21swapper/408:40:184
111391260,0ptp4l0-21swapper/408:40:184
111391260,0ptp4l0-21swapper/112:39:441
111391260,0ptp4l0-21swapper/109:27:431
111391260,0ptp4l0-21swapper/108:05:211
111391260,0ptp4l0-21swapper/010:02:360
111391260,0ptp4l0-21swapper/009:30:000
111391250,4ptp4l0-21swapper/410:01:124
111391250,1ptp4l6878-21basename11:00:005
111391250,1ptp4l4658-21unixbench_singl12:25:204
111391250,1ptp4l26364-21/usr/sbin/munin09:55:121
111391250,0ptp4l0-21swapper/711:55:117
111391250,0ptp4l0-21swapper/611:57:116
111391250,0ptp4l0-21swapper/512:37:245
111391250,0ptp4l0-21swapper/510:53:595
111391250,0ptp4l0-21swapper/510:15:195
111391250,0ptp4l0-21swapper/510:14:315
111391250,0ptp4l0-21swapper/509:59:495
111391250,0ptp4l0-21swapper/509:25:445
111391250,0ptp4l0-21swapper/508:05:005
111391250,0ptp4l0-21swapper/507:43:495
111391250,0ptp4l0-21swapper/412:06:044
111391250,0ptp4l0-21swapper/411:57:344
111391250,0ptp4l0-21swapper/411:35:174
111391250,0ptp4l0-21swapper/410:10:054
111391250,0ptp4l0-21swapper/409:57:004
111391250,0ptp4l0-21swapper/111:54:131
111391250,0ptp4l0-21swapper/109:21:421
111391250,0ptp4l0-21swapper/109:14:291
111391250,0ptp4l0-21swapper/107:50:141
111391250,0ptp4l0-21swapper/012:39:300
111391250,0ptp4l0-21swapper/012:14:000
111391250,0ptp4l0-21swapper/011:50:160
111391250,0ptp4l0-21swapper/011:25:010
111391250,0ptp4l0-21swapper/011:25:000
111391250,0ptp4l0-21swapper/009:20:100
111391240,1ptp4l6178-21idleruntime-cro12:29:591
111391240,1ptp4l4714-21ps10:55:171
111391240,1ptp4l32132-21fw_forwarded_lo12:20:125
111391240,1ptp4l27031-21users10:40:216
111391240,1ptp4l22329-21open_files09:00:161
111391240,1ptp4l19868-21memory08:55:161
111391240,0ptp4l0-21swapper/509:50:205
111391240,0ptp4l0-21swapper/509:49:395
111391240,0ptp4l0-21swapper/509:10:215
111391240,0ptp4l0-21swapper/508:55:125
111391240,0ptp4l0-21swapper/507:56:325
111391240,0ptp4l0-21swapper/507:47:025
111391240,0ptp4l0-21swapper/507:19:565
111391240,0ptp4l0-21swapper/411:02:104
111391240,0ptp4l0-21swapper/408:52:244
111391240,0ptp4l0-21swapper/407:40:214
111391240,0ptp4l0-21swapper/308:46:373
111391240,0ptp4l0-21swapper/111:45:551
111391240,0ptp4l0-21swapper/111:30:121
111391240,0ptp4l0-21swapper/110:50:121
111391240,0ptp4l0-21swapper/110:01:121
111391240,0ptp4l0-21swapper/108:45:161
111391240,0ptp4l0-21swapper/011:13:110
111391240,0ptp4l0-21swapper/010:06:320
111391240,0ptp4l0-21swapper/009:53:330
111391230,2ptp4l0-21swapper/407:51:274
111391230,2ptp4l0-21swapper/211:31:082
111391230,1ptp4l7944-21irqstats11:00:155
111391230,1ptp4l1599-21phc2sys10:05:175
111391230,0ptp4l0-21swapper/712:10:197
111391230,0ptp4l0-21swapper/711:11:167
111391230,0ptp4l0-21swapper/707:10:197
111391230,0ptp4l0-21swapper/610:45:186
111391230,0ptp4l0-21swapper/610:10:426
111391230,0ptp4l0-21swapper/608:00:126
111391230,0ptp4l0-21swapper/512:30:135
111391230,0ptp4l0-21swapper/511:58:135
111391230,0ptp4l0-21swapper/511:45:005
111391230,0ptp4l0-21swapper/511:29:085
111391230,0ptp4l0-21swapper/510:43:545
111391230,0ptp4l0-21swapper/510:25:145
111391230,0ptp4l0-21swapper/510:00:115
111391230,0ptp4l0-21swapper/509:41:225
111391230,0ptp4l0-21swapper/509:07:105
111391230,0ptp4l0-21swapper/508:43:025
111391230,0ptp4l0-21swapper/508:43:025
111391230,0ptp4l0-21swapper/508:35:125
111391230,0ptp4l0-21swapper/508:35:125
111391230,0ptp4l0-21swapper/508:30:575
111391230,0ptp4l0-21swapper/508:20:115
111391230,0ptp4l0-21swapper/508:10:125
111391230,0ptp4l0-21swapper/508:05:215
111391230,0ptp4l0-21swapper/507:35:155
111391230,0ptp4l0-21swapper/507:30:115
111391230,0ptp4l0-21swapper/507:20:185
111391230,0ptp4l0-21swapper/412:15:154
111391230,0ptp4l0-21swapper/412:00:124
111391230,0ptp4l0-21swapper/411:33:014
111391230,0ptp4l0-21swapper/411:20:104
111391230,0ptp4l0-21swapper/411:20:104
111391230,0ptp4l0-21swapper/411:15:144
111391230,0ptp4l0-21swapper/411:15:144
111391230,0ptp4l0-21swapper/410:50:154
111391230,0ptp4l0-21swapper/410:40:134
111391230,0ptp4l0-21swapper/410:30:204
111391230,0ptp4l0-21swapper/410:20:104
111391230,0ptp4l0-21swapper/410:05:114
111391230,0ptp4l0-21swapper/409:00:194
111391230,0ptp4l0-21swapper/408:06:384
111391230,0ptp4l0-21swapper/408:00:154
111391230,0ptp4l0-21swapper/407:55:074
111391230,0ptp4l0-21swapper/407:45:184
111391230,0ptp4l0-21swapper/407:25:204
111391230,0ptp4l0-21swapper/407:20:464
111391230,0ptp4l0-21swapper/407:12:214
111391230,0ptp4l0-21swapper/312:10:163
111391230,0ptp4l0-21swapper/311:55:153
111391230,0ptp4l0-21swapper/210:40:172
111391230,0ptp4l0-21swapper/209:05:122
111391230,0ptp4l0-21swapper/112:30:071
111391230,0ptp4l0-21swapper/111:42:241
111391230,0ptp4l0-21swapper/111:17:501
111391230,0ptp4l0-21swapper/111:17:491
111391230,0ptp4l0-21swapper/111:00:011
111391230,0ptp4l0-21swapper/110:23:531
111391230,0ptp4l0-21swapper/109:30:111
111391230,0ptp4l0-21swapper/109:15:121
111391230,0ptp4l0-21swapper/108:40:151
111391230,0ptp4l0-21swapper/108:40:151
111391230,0ptp4l0-21swapper/108:35:131
111391230,0ptp4l0-21swapper/108:35:131
111391230,0ptp4l0-21swapper/108:25:001
111391230,0ptp4l0-21swapper/108:15:101
111391230,0ptp4l0-21swapper/108:10:131
111391230,0ptp4l0-21swapper/108:05:001
111391230,0ptp4l0-21swapper/107:35:141
111391230,0ptp4l0-21swapper/107:30:151
111391230,0ptp4l0-21swapper/107:15:131
111391230,0ptp4l0-21swapper/010:19:360
111391230,0ptp4l0-21swapper/009:55:190
111391230,0ptp4l0-21swapper/009:35:120
111391230,0ptp4l0-21swapper/009:11:510
111391230,0ptp4l0-21swapper/009:00:180
111391230,0ptp4l0-21swapper/008:59:560
111391230,0ptp4l0-21swapper/008:50:000
111391230,0ptp4l0-21swapper/008:00:190
111391230,0ptp4l0-21swapper/007:55:170
111391230,0ptp4l0-21swapper/007:25:180
111391220,0ptp4l0-21swapper/611:21:116
111391220,0ptp4l0-21swapper/611:21:116
111391220,0ptp4l0-21swapper/611:12:526
111391220,0ptp4l0-21swapper/610:39:586
111391220,0ptp4l0-21swapper/609:57:496
111391220,0ptp4l0-21swapper/609:48:536
111391220,0ptp4l0-21swapper/511:13:495
111391220,0ptp4l0-21swapper/510:35:115
111391220,0ptp4l0-21swapper/510:20:075
111391220,0ptp4l0-21swapper/509:20:155
111391220,0ptp4l0-21swapper/508:50:125
111391220,0ptp4l0-21swapper/508:48:075
111391220,0ptp4l0-21swapper/508:25:115
111391220,0ptp4l0-21swapper/508:15:105
111391220,0ptp4l0-21swapper/412:31:384
111391220,0ptp4l0-21swapper/412:11:344
111391220,0ptp4l0-21swapper/411:28:444
111391220,0ptp4l0-21swapper/411:07:274
111391220,0ptp4l0-21swapper/410:55:134
111391220,0ptp4l0-21swapper/409:40:204
111391220,0ptp4l0-21swapper/409:25:114
111391220,0ptp4l0-21swapper/409:11:014
111391220,0ptp4l0-21swapper/408:56:414
111391220,0ptp4l0-21swapper/408:45:014
111391220,0ptp4l0-21swapper/408:30:154
111391220,0ptp4l0-21swapper/408:20:394
111391220,0ptp4l0-21swapper/408:17:524
111391220,0ptp4l0-21swapper/312:09:443
111391220,0ptp4l0-21swapper/311:10:423
111391220,0ptp4l0-21swapper/311:04:103
111391220,0ptp4l0-21swapper/309:36:503
111391220,0ptp4l0-21swapper/307:10:173
111391220,0ptp4l0-21swapper/212:32:542
111391220,0ptp4l0-21swapper/210:45:202
111391220,0ptp4l0-21swapper/209:29:512
111391220,0ptp4l0-21swapper/208:00:112
111391220,0ptp4l0-21swapper/112:20:091
111391220,0ptp4l0-21swapper/112:15:011
111391220,0ptp4l0-21swapper/112:11:241
111391220,0ptp4l0-21swapper/111:58:011
111391220,0ptp4l0-21swapper/111:25:141
111391220,0ptp4l0-21swapper/110:48:211
111391220,0ptp4l0-21swapper/110:40:051
111391220,0ptp4l0-21swapper/110:38:271
111391220,0ptp4l0-21swapper/109:46:321
111391220,0ptp4l0-21swapper/109:35:191
111391220,0ptp4l0-21swapper/108:50:111
111391220,0ptp4l0-21swapper/108:25:131
111391220,0ptp4l0-21swapper/107:45:171
111391220,0ptp4l0-21swapper/107:20:191
111391220,0ptp4l0-21swapper/012:31:270
111391220,0ptp4l0-21swapper/012:22:540
111391220,0ptp4l0-21swapper/012:15:140
111391220,0ptp4l0-21swapper/011:46:130
111391220,0ptp4l0-21swapper/011:30:520
111391220,0ptp4l0-21swapper/011:29:430
111391220,0ptp4l0-21swapper/010:30:130
111391220,0ptp4l0-21swapper/010:25:200
111391220,0ptp4l0-21swapper/009:40:170
111391220,0ptp4l0-21swapper/008:30:180
111391220,0ptp4l0-21swapper/008:25:180
111391220,0ptp4l0-21swapper/008:17:000
111391220,0ptp4l0-21swapper/007:53:010
111391220,0ptp4l0-21swapper/007:35:170
111391220,0ptp4l0-21swapper/007:20:120
111391220,0ptp4l0-21swapper/007:13:220
111391210,0ptp4l0-21swapper/711:22:427
111391210,0ptp4l0-21swapper/711:22:427
111391210,0ptp4l0-21swapper/711:01:277
111391210,0ptp4l0-21swapper/708:46:427
111391210,0ptp4l0-21swapper/611:31:346
111391210,0ptp4l0-21swapper/611:29:186
111391210,0ptp4l0-21swapper/610:27:336
111391210,0ptp4l0-21swapper/609:29:456
111391210,0ptp4l0-21swapper/510:45:515
111391210,0ptp4l0-21swapper/409:31:584
111391210,0ptp4l0-21swapper/408:25:164
111391210,0ptp4l0-21swapper/407:35:194
111391210,0ptp4l0-21swapper/212:07:382
111391210,0ptp4l0-21swapper/211:42:542
111391210,0ptp4l0-21swapper/211:29:232
111391210,0ptp4l0-21swapper/209:57:512
111391210,0ptp4l0-21swapper/209:20:452
111391210,0ptp4l0-21swapper/207:46:182
111391210,0ptp4l0-21swapper/111:37:451
111391210,0ptp4l0-21swapper/111:21:481
111391210,0ptp4l0-21swapper/111:21:481
111391210,0ptp4l0-21swapper/111:12:111
111391210,0ptp4l0-21swapper/107:55:151
111391210,0ptp4l0-21swapper/107:43:491
111391210,0ptp4l0-21swapper/107:26:551
111391210,0ptp4l0-21swapper/107:10:141
111391210,0ptp4l0-21swapper/011:08:030
111391210,0ptp4l0-21swapper/009:31:040
111391210,0ptp4l0-21swapper/009:15:190
111391210,0ptp4l0-21swapper/008:40:190
111391210,0ptp4l0-21swapper/008:40:190
111391210,0ptp4l0-21swapper/007:45:510
111391200,2ptp4l0-21swapper/509:04:565
111391200,0ptp4l0-21swapper/712:09:307
111391200,0ptp4l0-21swapper/612:32:516
111391200,0ptp4l0-21swapper/611:16:446
111391200,0ptp4l0-21swapper/611:16:436
111391200,0ptp4l0-21swapper/610:00:426
111391200,0ptp4l0-21swapper/609:16:346
111391200,0ptp4l0-21swapper/609:11:246
111391200,0ptp4l0-21swapper/507:50:165
111391200,0ptp4l0-21swapper/507:26:425
111391200,0ptp4l0-21swapper/412:23:314
111391200,0ptp4l0-21swapper/309:03:503
111391200,0ptp4l0-21swapper/211:16:462
111391200,0ptp4l0-21swapper/211:16:462
111391200,0ptp4l0-21swapper/211:00:502
111391200,0ptp4l0-21swapper/210:27:052
111391200,0ptp4l0-21swapper/210:20:472
111391200,0ptp4l0-21swapper/210:13:102
111391200,0ptp4l0-21swapper/209:16:312
111391200,0ptp4l0-21swapper/207:11:432
111391190,1ptp4l65-21ksoftirqd/610:20:466
111391190,0ptp4l0-21swapper/612:07:256
111391190,0ptp4l0-21swapper/610:58:546
111391190,0ptp4l0-21swapper/610:54:086
111391190,0ptp4l0-21swapper/610:34:216
111391190,0ptp4l0-21swapper/507:12:375
111391190,0ptp4l0-21swapper/409:05:504
111391190,0ptp4l0-21swapper/407:32:484
111391190,0ptp4l0-21swapper/210:00:422
111391190,0ptp4l0-21swapper/209:48:562
111391190,0ptp4l0-21swapper/008:23:420
111391180,0ptp4l0-21swapper/608:12:066
111391180,0ptp4l0-21swapper/511:24:065
111391180,0ptp4l0-21swapper/511:24:065
111391180,0ptp4l0-21swapper/212:39:152
111391180,0ptp4l0-21swapper/211:57:072
111391180,0ptp4l0-21swapper/211:21:102
111391180,0ptp4l0-21swapper/211:21:092
111391180,0ptp4l0-21swapper/210:54:092
111391180,0ptp4l0-21swapper/210:34:202
111391180,0ptp4l0-21swapper/209:00:202
111391170,0ptp4l0-21swapper/709:36:547
111391170,0ptp4l0-21swapper/612:39:216
111391170,0ptp4l0-21swapper/607:46:046
111391170,0ptp4l0-21swapper/210:58:542
111391170,0ptp4l0-21swapper/109:06:551
111391170,0ptp4l0-21swapper/108:33:561
111391170,0ptp4l0-21swapper/008:36:240
111391170,0ptp4l0-21swapper/008:36:240
111391160,0ptp4l0-21swapper/612:15:456
111391160,0ptp4l0-21swapper/307:37:503
111391160,0ptp4l0-21swapper/211:49:452
111391160,0ptp4l0-21swapper/211:12:482
111391160,0ptp4l0-21swapper/008:14:170
111391160,0ptp4l0-21swapper/008:09:410
111391160,0ptp4l0-21swapper/007:32:490
111391160,0ptp4l0-21swapper/007:18:370
2474991510,4cyclictest10195-21munin-run11:50:013
155852150,0sleep71068-21runrttasks07:35:167
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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