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2026-05-12 - 22:19

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 May 12, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2846921160,0sleep10-21swapper/111:40:001
111391660,6ptp4l0-21swapper/107:05:151
162632630,1sleep125-21ksoftirqd/111:21:491
111391630,4ptp4l0-21swapper/507:05:215
79832620,0sleep00-21swapper/008:55:130
111391610,5ptp4l0-21swapper/007:09:460
111391580,5ptp4l0-21swapper/407:09:574
2281825646,6sleep20-21swapper/207:05:422
2284125343,6sleep70-21swapper/707:06:047
2289524736,6sleep60-21swapper/607:06:436
111391470,0ptp4l31656-21ssh12:26:084
2283724635,7sleep30-21swapper/307:05:593
111391360,0ptp4l0-21swapper/511:50:155
111391340,0ptp4l0-21swapper/308:40:113
111391320,0ptp4l0-21swapper/509:34:505
111391320,0ptp4l0-21swapper/109:35:161
111391320,0ptp4l0-21swapper/009:40:190
111391310,5ptp4l0-21swapper/409:33:574
111391310,0ptp4l0-21swapper/410:01:314
111391310,0ptp4l0-21swapper/409:25:154
111391310,0ptp4l0-21swapper/011:05:120
111391300,4ptp4l14186-21diskmemload10:34:504
111391300,0ptp4l0-21swapper/510:54:345
111391300,0ptp4l0-21swapper/410:56:014
111391300,0ptp4l0-21swapper/410:45:214
111391300,0ptp4l0-21swapper/410:18:194
111391290,0ptp4l0-21swapper/411:53:204
111391290,0ptp4l0-21swapper/411:00:194
111391290,0ptp4l0-21swapper/410:54:194
111391290,0ptp4l0-21swapper/112:28:061
111391290,0ptp4l0-21swapper/111:10:051
111391290,0ptp4l0-21swapper/111:08:001
111391290,0ptp4l0-21swapper/110:15:151
111391290,0ptp4l0-21swapper/012:18:340
111391290,0ptp4l0-21swapper/011:43:440
111391290,0ptp4l0-21swapper/010:38:130
111391290,0ptp4l0-21swapper/010:12:180
111391280,0ptp4l0-21swapper/511:07:435
111391280,0ptp4l0-21swapper/309:12:243
111391280,0ptp4l0-21swapper/110:13:531
111391280,0ptp4l0-21swapper/109:20:251
111391280,0ptp4l0-21swapper/011:26:010
111391280,0ptp4l0-21swapper/010:07:510
111391280,0ptp4l0-21swapper/009:45:440
111391280,0ptp4l0-21swapper/009:16:380
111391270,2ptp4l0-21swapper/410:40:174
111391270,2ptp4l0-21swapper/109:43:391
111391270,1ptp4l2345499cyclictest10:31:395
111391270,0ptp4l0-21swapper/709:51:387
111391270,0ptp4l0-21swapper/709:51:377
111391270,0ptp4l0-21swapper/709:10:397
111391270,0ptp4l0-21swapper/510:14:145
111391270,0ptp4l0-21swapper/411:49:134
111391270,0ptp4l0-21swapper/411:07:004
111391270,0ptp4l0-21swapper/409:21:424
111391270,0ptp4l0-21swapper/409:17:354
111391270,0ptp4l0-21swapper/407:35:134
111391270,0ptp4l0-21swapper/309:15:333
111391270,0ptp4l0-21swapper/011:20:000
111391270,0ptp4l0-21swapper/011:00:170
111391270,0ptp4l0-21swapper/010:18:160
111391270,0ptp4l0-21swapper/010:01:520
111391270,0ptp4l0-21swapper/009:38:060
111391260,3ptp4l101ktimersoftd/010:45:340
111391260,3ptp4l0-21swapper/409:43:324
111391260,2ptp4l0-21swapper/409:51:444
111391260,2ptp4l0-21swapper/409:51:434
111391260,0ptp4l0-21swapper/712:37:497
111391260,0ptp4l0-21swapper/511:18:325
111391260,0ptp4l0-21swapper/511:10:155
111391260,0ptp4l0-21swapper/409:56:254
111391260,0ptp4l0-21swapper/409:46:334
111391260,0ptp4l0-21swapper/112:20:501
111391260,0ptp4l0-21swapper/110:07:241
111391260,0ptp4l0-21swapper/109:53:161
111391260,0ptp4l0-21swapper/109:53:161
111391260,0ptp4l0-21swapper/107:15:011
111391260,0ptp4l0-21swapper/107:15:001
111391260,0ptp4l0-21swapper/011:56:310
111391260,0ptp4l0-21swapper/011:45:530
111391260,0ptp4l0-21swapper/010:34:000
111391250,1ptp4l18624-21users08:05:190
111391250,1ptp4l10615-21irqstats09:00:165
111391250,0ptp4l0-21swapper/512:34:055
111391250,0ptp4l0-21swapper/512:34:045
111391250,0ptp4l0-21swapper/511:57:175
111391250,0ptp4l0-21swapper/511:01:415
111391250,0ptp4l0-21swapper/509:39:535
111391250,0ptp4l0-21swapper/411:31:544
111391250,0ptp4l0-21swapper/411:26:034
111391250,0ptp4l0-21swapper/411:19:124
111391250,0ptp4l0-21swapper/311:29:543
111391250,0ptp4l0-21swapper/212:07:422
111391250,0ptp4l0-21swapper/112:10:531
111391250,0ptp4l0-21swapper/111:57:551
111391250,0ptp4l0-21swapper/111:46:361
111391250,0ptp4l0-21swapper/111:29:191
111391250,0ptp4l0-21swapper/109:57:071
111391250,0ptp4l0-21swapper/012:32:570
111391250,0ptp4l0-21swapper/012:32:570
111391250,0ptp4l0-21swapper/011:33:540
111391250,0ptp4l0-21swapper/010:50:230
111391250,0ptp4l0-21swapper/010:26:160
111391250,0ptp4l0-21swapper/009:55:170
111391250,0ptp4l0-21swapper/009:31:500
111391250,0ptp4l0-21swapper/008:33:430
111391240,3ptp4l0-21swapper/012:03:340
111391240,1ptp4l818-21date12:30:000
111391240,1ptp4l65-21ksoftirqd/612:26:276
111391240,1ptp4l5468-21munin-run10:25:011
111391240,1ptp4l31880-21df11:00:131
111391240,1ptp4l23745-21cat07:10:114
111391240,1ptp4l23745-21cat07:10:114
111391240,1ptp4l22776-21sensors_fan08:15:187
111391240,1ptp4l21035-21if_virbr010:45:131
111391240,1ptp4l20671-21cpuspeed_turbos10:45:115
111391240,1ptp4l15296-21ssh12:05:154
111391240,1ptp4l14186-21diskmemload12:30:382
111391240,1ptp4l14186-21diskmemload12:30:382
111391240,1ptp4l13709-21idleruntime10:35:154
111391240,0ptp4l0-21swapper/711:30:077
111391240,0ptp4l0-21swapper/708:35:187
111391240,0ptp4l0-21swapper/511:21:565
111391240,0ptp4l0-21swapper/412:17:174
111391240,0ptp4l0-21swapper/412:05:004
111391240,0ptp4l0-21swapper/411:55:194
111391240,0ptp4l0-21swapper/411:43:014
111391240,0ptp4l0-21swapper/411:35:174
111391240,0ptp4l0-21swapper/410:22:384
111391240,0ptp4l0-21swapper/410:09:324
111391240,0ptp4l0-21swapper/409:35:194
111391240,0ptp4l0-21swapper/312:37:473
111391240,0ptp4l0-21swapper/112:30:321
111391240,0ptp4l0-21swapper/112:30:321
111391240,0ptp4l0-21swapper/112:09:491
111391240,0ptp4l0-21swapper/111:16:111
111391240,0ptp4l0-21swapper/110:40:141
111391240,0ptp4l0-21swapper/110:31:091
111391240,0ptp4l0-21swapper/108:56:071
111391240,0ptp4l0-21swapper/012:23:510
111391240,0ptp4l0-21swapper/012:07:290
111391240,0ptp4l0-21swapper/010:45:010
111391240,0ptp4l0-21swapper/009:50:170
111391240,0ptp4l0-21swapper/009:50:170
111391240,0ptp4l0-21swapper/008:00:130
111391230,1ptp4l6547-21sh10:25:164
111391230,1ptp4l4377-21cat11:50:141
111391230,1ptp4l41-21ksoftirqd/311:55:443
111391230,1ptp4l26527-21/usr/sbin/munin07:15:160
111391230,1ptp4l26323-21/usr/sbin/munin09:25:140
111391230,1ptp4l12301-21cpu09:05:114
111391230,1ptp4l1061-21snmpd11:12:304
111391230,1ptp4l10208-21cpuspeed_turbos09:00:130
111391230,0ptp4l31993-21needreboot07:25:191
111391230,0ptp4l0-21swapper/711:45:127
111391230,0ptp4l0-21swapper/711:45:007
111391230,0ptp4l0-21swapper/710:56:597
111391230,0ptp4l0-21swapper/709:15:027
111391230,0ptp4l0-21swapper/708:40:117
111391230,0ptp4l0-21swapper/708:25:147
111391230,0ptp4l0-21swapper/612:20:166
111391230,0ptp4l0-21swapper/512:35:485
111391230,0ptp4l0-21swapper/512:25:105
111391230,0ptp4l0-21swapper/512:21:005
111391230,0ptp4l0-21swapper/512:10:155
111391230,0ptp4l0-21swapper/512:09:595
111391230,0ptp4l0-21swapper/512:00:135
111391230,0ptp4l0-21swapper/511:25:185
111391230,0ptp4l0-21swapper/508:44:185
111391230,0ptp4l0-21swapper/507:25:165
111391230,0ptp4l0-21swapper/507:15:125
111391230,0ptp4l0-21swapper/412:32:204
111391230,0ptp4l0-21swapper/412:32:204
111391230,0ptp4l0-21swapper/410:10:114
111391230,0ptp4l0-21swapper/408:45:114
111391230,0ptp4l0-21swapper/408:40:204
111391230,0ptp4l0-21swapper/408:00:204
111391230,0ptp4l0-21swapper/407:55:124
111391230,0ptp4l0-21swapper/407:45:204
111391230,0ptp4l0-21swapper/407:40:204
111391230,0ptp4l0-21swapper/407:20:124
111391230,0ptp4l0-21swapper/311:30:153
111391230,0ptp4l0-21swapper/311:20:213
111391230,0ptp4l0-21swapper/311:13:233
111391230,0ptp4l0-21swapper/308:59:593
111391230,0ptp4l0-21swapper/308:25:173
111391230,0ptp4l0-21swapper/308:25:003
111391230,0ptp4l0-21swapper/308:15:143
111391230,0ptp4l0-21swapper/212:20:122
111391230,0ptp4l0-21swapper/112:00:151
111391230,0ptp4l0-21swapper/110:55:151
111391230,0ptp4l0-21swapper/109:34:381
111391230,0ptp4l0-21swapper/108:30:181
111391230,0ptp4l0-21swapper/108:21:361
111391230,0ptp4l0-21swapper/107:45:171
111391230,0ptp4l0-21swapper/107:35:221
111391230,0ptp4l0-21swapper/012:35:130
111391230,0ptp4l0-21swapper/011:23:560
111391230,0ptp4l0-21swapper/011:14:340
111391230,0ptp4l0-21swapper/010:55:110
111391230,0ptp4l0-21swapper/010:20:110
111391230,0ptp4l0-21swapper/009:20:180
111391230,0ptp4l0-21swapper/008:45:160
111391230,0ptp4l0-21swapper/008:20:130
111391230,0ptp4l0-21swapper/008:20:000
111391230,0ptp4l0-21swapper/007:50:200
111391230,0ptp4l0-21swapper/007:45:200
111391230,0ptp4l0-21swapper/007:45:010
111391230,0ptp4l0-21swapper/007:20:150
111391230,0ptp4l0-21swapper/007:10:200
111391230,0ptp4l0-21swapper/007:10:190
111391220,0ptp4l0-21swapper/711:20:207
111391220,0ptp4l0-21swapper/609:28:246
111391220,0ptp4l0-21swapper/609:22:356
111391220,0ptp4l0-21swapper/512:19:085
111391220,0ptp4l0-21swapper/511:38:075
111391220,0ptp4l0-21swapper/511:31:105
111391220,0ptp4l0-21swapper/510:55:225
111391220,0ptp4l0-21swapper/510:40:135
111391220,0ptp4l0-21swapper/510:25:545
111391220,0ptp4l0-21swapper/510:20:425
111391220,0ptp4l0-21swapper/510:15:165
111391220,0ptp4l0-21swapper/510:07:095
111391220,0ptp4l0-21swapper/509:52:485
111391220,0ptp4l0-21swapper/509:52:475
111391220,0ptp4l0-21swapper/509:27:215
111391220,0ptp4l0-21swapper/509:17:385
111391220,0ptp4l0-21swapper/508:55:175
111391220,0ptp4l0-21swapper/508:20:185
111391220,0ptp4l0-21swapper/507:56:415
111391220,0ptp4l0-21swapper/507:40:135
111391220,0ptp4l0-21swapper/507:35:205
111391220,0ptp4l0-21swapper/412:35:164
111391220,0ptp4l0-21swapper/412:22:074
111391220,0ptp4l0-21swapper/412:11:594
111391220,0ptp4l0-21swapper/411:23:244
111391220,0ptp4l0-21swapper/409:10:104
111391220,0ptp4l0-21swapper/408:55:144
111391220,0ptp4l0-21swapper/408:30:124
111391220,0ptp4l0-21swapper/408:10:134
111391220,0ptp4l0-21swapper/408:05:114
111391220,0ptp4l0-21swapper/407:15:204
111391220,0ptp4l0-21swapper/308:35:113
111391220,0ptp4l0-21swapper/307:50:133
111391220,0ptp4l0-21swapper/112:15:111
111391220,0ptp4l0-21swapper/110:26:561
111391220,0ptp4l0-21swapper/109:27:101
111391220,0ptp4l0-21swapper/108:50:131
111391220,0ptp4l0-21swapper/108:05:161
111391220,0ptp4l0-21swapper/107:42:441
111391220,0ptp4l0-21swapper/011:53:480
111391220,0ptp4l0-21swapper/011:35:130
111391220,0ptp4l0-21swapper/009:10:080
111391220,0ptp4l0-21swapper/009:05:120
111391220,0ptp4l0-21swapper/008:40:180
111391220,0ptp4l0-21swapper/008:10:110
111391220,0ptp4l0-21swapper/007:55:150
111391220,0ptp4l0-21swapper/007:30:140
111391210,0ptp4l65-21ksoftirqd/610:48:476
111391210,0ptp4l0-21swapper/709:29:007
111391210,0ptp4l0-21swapper/708:15:007
111391210,0ptp4l0-21swapper/609:41:296
111391210,0ptp4l0-21swapper/607:24:256
111391210,0ptp4l0-21swapper/511:46:325
111391210,0ptp4l0-21swapper/509:43:135
111391210,0ptp4l0-21swapper/508:49:365
111391210,0ptp4l0-21swapper/508:29:385
111391210,0ptp4l0-21swapper/409:00:164
111391210,0ptp4l0-21swapper/408:22:374
111391210,0ptp4l0-21swapper/408:18:364
111391210,0ptp4l0-21swapper/311:44:513
111391210,0ptp4l0-21swapper/310:56:523
111391210,0ptp4l0-21swapper/309:51:233
111391210,0ptp4l0-21swapper/309:51:233
111391210,0ptp4l0-21swapper/308:34:473
111391210,0ptp4l0-21swapper/212:26:332
111391210,0ptp4l0-21swapper/211:40:032
111391210,0ptp4l0-21swapper/210:42:102
111391210,0ptp4l0-21swapper/210:09:002
111391210,0ptp4l0-21swapper/209:41:272
111391210,0ptp4l0-21swapper/112:35:421
111391210,0ptp4l0-21swapper/111:40:101
111391210,0ptp4l0-21swapper/111:31:141
111391210,0ptp4l0-21swapper/110:00:081
111391210,0ptp4l0-21swapper/109:18:061
111391210,0ptp4l0-21swapper/108:47:531
111391210,0ptp4l0-21swapper/108:41:081
111391210,0ptp4l0-21swapper/108:37:561
111391210,0ptp4l0-21swapper/107:15:151
111391210,0ptp4l0-21swapper/012:11:590
111391210,0ptp4l0-21swapper/007:35:130
111391200,0ptp4l0-21swapper/711:13:197
111391200,0ptp4l0-21swapper/708:34:387
111391200,0ptp4l0-21swapper/707:50:017
111391200,0ptp4l0-21swapper/612:07:366
111391200,0ptp4l0-21swapper/612:01:056
111391200,0ptp4l0-21swapper/609:46:136
111391200,0ptp4l0-21swapper/608:03:456
111391200,0ptp4l0-21swapper/509:24:285
111391200,0ptp4l0-21swapper/508:50:155
111391200,0ptp4l0-21swapper/508:11:365
111391200,0ptp4l0-21swapper/508:08:375
111391200,0ptp4l0-21swapper/508:04:515
111391200,0ptp4l0-21swapper/507:46:375
111391200,0ptp4l0-21swapper/507:33:375
111391200,0ptp4l0-21swapper/507:12:065
111391200,0ptp4l0-21swapper/507:12:055
111391200,0ptp4l0-21swapper/408:39:114
111391200,0ptp4l0-21swapper/407:30:354
111391200,0ptp4l0-21swapper/407:29:194
111391200,0ptp4l0-21swapper/210:48:462
111391200,0ptp4l0-21swapper/209:29:102
111391200,0ptp4l0-21swapper/207:18:132
111391200,0ptp4l0-21swapper/110:54:231
111391200,0ptp4l0-21swapper/108:13:571
111391200,0ptp4l0-21swapper/008:29:070
111391190,0ptp4l0-21swapper/708:59:557
111391190,0ptp4l0-21swapper/707:50:147
111391190,0ptp4l0-21swapper/612:13:176
111391190,0ptp4l0-21swapper/610:42:126
111391190,0ptp4l0-21swapper/608:16:576
111391190,0ptp4l0-21swapper/607:33:066
111391190,0ptp4l0-21swapper/508:38:065
111391190,0ptp4l0-21swapper/508:30:195
111391190,0ptp4l0-21swapper/407:50:214
111391190,0ptp4l0-21swapper/311:45:143
111391190,0ptp4l0-21swapper/309:28:573
111391190,0ptp4l0-21swapper/209:22:022
111391190,0ptp4l0-21swapper/209:03:072
111391190,0ptp4l0-21swapper/208:18:072
111391190,0ptp4l0-21swapper/008:38:400
111391180,0ptp4l0-21swapper/611:40:046
111391180,0ptp4l0-21swapper/511:40:515
111391180,0ptp4l0-21swapper/509:57:255
111391180,0ptp4l0-21swapper/212:01:052
111391180,0ptp4l0-21swapper/110:39:321
111391170,0ptp4l0-21swapper/711:29:587
111391170,0ptp4l0-21swapper/708:24:557
111391170,0ptp4l0-21swapper/608:56:526
111391170,0ptp4l0-21swapper/408:28:564
111391170,0ptp4l0-21swapper/212:13:152
111391170,0ptp4l0-21swapper/208:56:542
111391170,0ptp4l0-21swapper/109:06:511
111391170,0ptp4l0-21swapper/109:00:151
111391170,0ptp4l0-21swapper/007:25:130
23433991614,1cyclictest0-21swapper/207:10:172
23433991614,1cyclictest0-21swapper/207:10:172
111391160,0ptp4l0-21swapper/711:55:467
111391160,0ptp4l0-21swapper/608:43:366
111391160,0ptp4l0-21swapper/607:18:056
111391160,0ptp4l0-21swapper/108:04:461
111391160,0ptp4l0-21swapper/107:56:071
111391160,0ptp4l0-21swapper/107:31:421
111391160,0ptp4l0-21swapper/107:23:081
111391160,0ptp4l0-21swapper/008:51:170
111391150,0ptp4l0-21swapper/709:01:147
111391150,0ptp4l0-21swapper/707:44:337
111391150,0ptp4l0-21swapper/612:16:246
111391150,0ptp4l0-21swapper/609:03:096
111391150,0ptp4l0-21swapper/608:28:106
111391150,0ptp4l0-21swapper/608:20:536
111391150,0ptp4l0-21swapper/510:39:385
111391150,0ptp4l0-21swapper/509:08:355
111391150,0ptp4l0-21swapper/508:18:275
111391150,0ptp4l0-21swapper/507:22:545
111391150,0ptp4l0-21swapper/408:50:354
111391150,0ptp4l0-21swapper/309:01:183
111391150,0ptp4l0-21swapper/308:15:003
111391150,0ptp4l0-21swapper/307:49:453
111391150,0ptp4l0-21swapper/307:44:383
111391150,0ptp4l0-21swapper/209:46:132
111391150,0ptp4l0-21swapper/208:46:212
111391150,0ptp4l0-21swapper/208:43:002
111391150,0ptp4l0-21swapper/208:28:122
111391150,0ptp4l0-21swapper/208:20:522
111391150,0ptp4l0-21swapper/208:08:482
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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