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2026-09-20 - 00:10

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 Sat Sep 19, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391620,29ptp4l0-21swapper/107:06:571
111391610,5ptp4l0-21swapper/407:06:374
2223326050,6sleep70-21swapper/707:07:127
111391590,28ptp4l0-21swapper/007:09:240
284992580,0sleep20-21swapper/212:39:332
101582570,0sleep60-21swapper/610:37:136
2240325634,7sleep20-21swapper/207:09:252
1881915634,6phc2sys0-21swapper/607:07:086
15712540,0sleep00-21swapper/010:25:130
2230425332,6sleep50-21swapper/507:08:075
69612520,0sleep10-21swapper/112:06:161
2245724938,7sleep30-21swapper/307:09:583
111391350,0ptp4l0-21swapper/012:35:200
111391320,0ptp4l0-21swapper/010:30:120
111391310,0ptp4l0-21swapper/011:19:530
111391300,3ptp4l0-21swapper/308:15:193
111391300,0ptp4l0-21swapper/510:53:075
111391300,0ptp4l0-21swapper/012:09:220
111391300,0ptp4l0-21swapper/010:35:140
111391300,0ptp4l0-21swapper/010:21:510
111391300,0ptp4l0-21swapper/009:47:570
111391300,0ptp4l0-21swapper/009:28:440
111391300,0ptp4l0-21swapper/009:19:390
111391290,1ptp4l13485-21diskmemload09:15:034
111391290,0ptp4l0-21swapper/512:05:125
111391290,0ptp4l0-21swapper/510:06:435
111391290,0ptp4l0-21swapper/412:19:024
111391290,0ptp4l0-21swapper/410:47:414
111391290,0ptp4l0-21swapper/110:25:141
111391290,0ptp4l0-21swapper/012:20:490
111391290,0ptp4l0-21swapper/012:03:330
111391290,0ptp4l0-21swapper/010:50:410
111391290,0ptp4l0-21swapper/007:20:120
111391280,0ptp4l0-21swapper/212:25:222
111391280,0ptp4l0-21swapper/108:00:111
111391280,0ptp4l0-21swapper/011:45:340
111391280,0ptp4l0-21swapper/011:32:120
111391280,0ptp4l0-21swapper/011:11:240
111391280,0ptp4l0-21swapper/010:15:160
111391280,0ptp4l0-21swapper/010:05:320
111391270,2ptp4l0-21swapper/011:02:160
111391270,0ptp4l0-21swapper/611:43:566
111391270,0ptp4l0-21swapper/510:44:115
111391270,0ptp4l0-21swapper/509:10:345
111391270,0ptp4l0-21swapper/411:32:454
111391270,0ptp4l0-21swapper/109:51:181
111391270,0ptp4l0-21swapper/010:47:220
111391260,2ptp4l0-21swapper/012:27:370
111391260,2ptp4l0-21swapper/009:57:040
111391260,0ptp4l0-21swapper/509:26:585
111391260,0ptp4l0-21swapper/412:13:104
111391260,0ptp4l0-21swapper/411:45:124
111391260,0ptp4l0-21swapper/410:42:514
111391260,0ptp4l0-21swapper/410:33:374
111391260,0ptp4l0-21swapper/410:17:164
111391260,0ptp4l0-21swapper/410:10:584
111391260,0ptp4l0-21swapper/410:10:584
111391260,0ptp4l0-21swapper/407:45:174
111391260,0ptp4l0-21swapper/110:19:431
111391260,0ptp4l0-21swapper/109:23:541
111391260,0ptp4l0-21swapper/011:22:480
111391260,0ptp4l0-21swapper/009:51:530
111391260,0ptp4l0-21swapper/009:35:070
111391260,0ptp4l0-21swapper/009:11:110
111391260,0ptp4l0-21swapper/008:05:170
111391250,1ptp4l26353-21irqrtprio07:15:155
111391250,1ptp4l24965-21users10:10:215
111391250,1ptp4l24965-21users10:10:215
111391250,1ptp4l13573-21sh12:15:291
111391250,0ptp4l0-21swapper/511:25:155
111391250,0ptp4l0-21swapper/510:26:375
111391250,0ptp4l0-21swapper/509:15:435
111391250,0ptp4l0-21swapper/412:35:164
111391250,0ptp4l0-21swapper/412:02:364
111391250,0ptp4l0-21swapper/411:35:234
111391250,0ptp4l0-21swapper/411:15:174
111391250,0ptp4l0-21swapper/411:13:104
111391250,0ptp4l0-21swapper/411:03:524
111391250,0ptp4l0-21swapper/211:44:132
111391250,0ptp4l0-21swapper/112:00:191
111391250,0ptp4l0-21swapper/110:31:441
111391250,0ptp4l0-21swapper/012:14:340
111391250,0ptp4l0-21swapper/010:41:580
111391250,0ptp4l0-21swapper/010:10:020
111391250,0ptp4l0-21swapper/010:10:020
111391250,0ptp4l0-21swapper/009:34:130
111391240,1ptp4l9157-21smart_sda10:35:214
111391240,1ptp4l22608-21cat12:30:144
111391240,1ptp4l22055-21ssh10:07:201
111391240,1ptp4l16724-21smartctl10:00:150
111391240,1ptp4l16311-21sed08:05:010
111391240,1ptp4l13966-21latency_hist08:00:010
111391240,0ptp4l0-21swapper/611:53:096
111391240,0ptp4l0-21swapper/512:01:255
111391240,0ptp4l0-21swapper/511:55:175
111391240,0ptp4l0-21swapper/511:40:195
111391240,0ptp4l0-21swapper/511:19:235
111391240,0ptp4l0-21swapper/509:24:035
111391240,0ptp4l0-21swapper/508:00:275
111391240,0ptp4l0-21swapper/410:00:204
111391240,0ptp4l0-21swapper/409:30:574
111391240,0ptp4l0-21swapper/409:28:194
111391240,0ptp4l0-21swapper/409:10:154
111391240,0ptp4l0-21swapper/211:46:192
111391240,0ptp4l0-21swapper/112:20:111
111391240,0ptp4l0-21swapper/011:06:220
111391230,2ptp4l0-21swapper/007:38:240
111391230,1ptp4l57-21ksoftirqd/508:10:175
111391230,1ptp4l32033-21acpi11:10:135
111391230,1ptp4l30500-21idleruntime08:35:141
111391230,1ptp4l27964-21/usr/sbin/munin11:50:160
111391230,1ptp4l27471-21fw_forwarded_lo11:50:134
111391230,1ptp4l25845-21diskstats08:25:125
111391230,1ptp4l23203-21latency_hist08:20:015
111391230,0ptp4l9901-21/usr/sbin/munin11:25:221
111391230,0ptp4l0-21swapper/708:15:127
111391230,0ptp4l0-21swapper/612:25:226
111391230,0ptp4l0-21swapper/610:51:246
111391230,0ptp4l0-21swapper/512:20:205
111391230,0ptp4l0-21swapper/511:33:445
111391230,0ptp4l0-21swapper/511:05:175
111391230,0ptp4l0-21swapper/510:20:125
111391230,0ptp4l0-21swapper/509:50:445
111391230,0ptp4l0-21swapper/508:35:195
111391230,0ptp4l0-21swapper/508:30:205
111391230,0ptp4l0-21swapper/508:20:135
111391230,0ptp4l0-21swapper/507:55:125
111391230,0ptp4l0-21swapper/507:10:215
111391230,0ptp4l0-21swapper/412:29:554
111391230,0ptp4l0-21swapper/412:21:574
111391230,0ptp4l0-21swapper/412:06:564
111391230,0ptp4l0-21swapper/411:55:224
111391230,0ptp4l0-21swapper/411:22:564
111391230,0ptp4l0-21swapper/410:55:024
111391230,0ptp4l0-21swapper/410:25:194
111391230,0ptp4l0-21swapper/410:08:004
111391230,0ptp4l0-21swapper/409:50:114
111391230,0ptp4l0-21swapper/409:45:154
111391230,0ptp4l0-21swapper/409:35:164
111391230,0ptp4l0-21swapper/409:05:124
111391230,0ptp4l0-21swapper/409:00:114
111391230,0ptp4l0-21swapper/408:55:154
111391230,0ptp4l0-21swapper/408:05:194
111391230,0ptp4l0-21swapper/407:30:124
111391230,0ptp4l0-21swapper/407:30:124
111391230,0ptp4l0-21swapper/310:44:503
111391230,0ptp4l0-21swapper/309:35:583
111391230,0ptp4l0-21swapper/209:55:192
111391230,0ptp4l0-21swapper/111:55:181
111391230,0ptp4l0-21swapper/111:40:171
111391230,0ptp4l0-21swapper/111:05:181
111391230,0ptp4l0-21swapper/110:50:131
111391230,0ptp4l0-21swapper/110:39:361
111391230,0ptp4l0-21swapper/109:49:231
111391230,0ptp4l0-21swapper/108:25:131
111391230,0ptp4l0-21swapper/107:15:121
111391230,0ptp4l0-21swapper/012:32:000
111391230,0ptp4l0-21swapper/012:15:120
111391230,0ptp4l0-21swapper/011:55:200
111391230,0ptp4l0-21swapper/011:35:210
111391230,0ptp4l0-21swapper/010:55:210
111391230,0ptp4l0-21swapper/009:40:160
111391230,0ptp4l0-21swapper/009:05:140
111391230,0ptp4l0-21swapper/008:55:180
111391230,0ptp4l0-21swapper/008:52:530
111391230,0ptp4l0-21swapper/008:40:210
111391230,0ptp4l0-21swapper/008:25:160
111391230,0ptp4l0-21swapper/007:50:170
111391230,0ptp4l0-21swapper/007:45:180
111391230,0ptp4l0-21swapper/007:40:190
111391230,0ptp4l0-21swapper/007:25:120
22747992217,1cyclictest481ktimersoftd/407:40:354
111391220,1ptp4l30421-21diskstats10:20:121
111391220,0ptp4l0-21swapper/712:08:147
111391220,0ptp4l0-21swapper/709:42:107
111391220,0ptp4l0-21swapper/709:35:427
111391220,0ptp4l0-21swapper/610:42:186
111391220,0ptp4l0-21swapper/609:55:186
111391220,0ptp4l0-21swapper/512:31:325
111391220,0ptp4l0-21swapper/512:27:195
111391220,0ptp4l0-21swapper/512:15:185
111391220,0ptp4l0-21swapper/511:24:545
111391220,0ptp4l0-21swapper/511:00:195
111391220,0ptp4l0-21swapper/510:56:325
111391220,0ptp4l0-21swapper/510:39:505
111391220,0ptp4l0-21swapper/510:19:415
111391220,0ptp4l0-21swapper/510:00:425
111391220,0ptp4l0-21swapper/509:49:045
111391220,0ptp4l0-21swapper/509:44:005
111391220,0ptp4l0-21swapper/509:31:545
111391220,0ptp4l0-21swapper/509:08:035
111391220,0ptp4l0-21swapper/508:50:185
111391220,0ptp4l0-21swapper/508:45:225
111391220,0ptp4l0-21swapper/508:40:165
111391220,0ptp4l0-21swapper/507:35:145
111391220,0ptp4l0-21swapper/411:43:344
111391220,0ptp4l0-21swapper/411:27:404
111391220,0ptp4l0-21swapper/411:06:084
111391220,0ptp4l0-21swapper/410:52:114
111391220,0ptp4l0-21swapper/410:20:064
111391220,0ptp4l0-21swapper/409:55:154
111391220,0ptp4l0-21swapper/409:40:044
111391220,0ptp4l0-21swapper/409:20:104
111391220,0ptp4l0-21swapper/408:50:114
111391220,0ptp4l0-21swapper/408:25:154
111391220,0ptp4l0-21swapper/408:10:144
111391220,0ptp4l0-21swapper/407:50:144
111391220,0ptp4l0-21swapper/407:25:174
111391220,0ptp4l0-21swapper/407:20:174
111391220,0ptp4l0-21swapper/309:41:533
111391220,0ptp4l0-21swapper/211:18:482
111391220,0ptp4l0-21swapper/112:31:431
111391220,0ptp4l0-21swapper/112:25:171
111391220,0ptp4l0-21swapper/112:10:131
111391220,0ptp4l0-21swapper/111:17:411
111391220,0ptp4l0-21swapper/111:10:081
111391220,0ptp4l0-21swapper/110:56:341
111391220,0ptp4l0-21swapper/110:03:021
111391220,0ptp4l0-21swapper/109:31:421
111391220,0ptp4l0-21swapper/109:15:181
111391220,0ptp4l0-21swapper/108:50:181
111391220,0ptp4l0-21swapper/108:45:171
111391220,0ptp4l0-21swapper/108:40:181
111391220,0ptp4l0-21swapper/108:30:191
111391220,0ptp4l0-21swapper/108:10:191
111391220,0ptp4l0-21swapper/107:55:141
111391220,0ptp4l0-21swapper/107:55:001
111391220,0ptp4l0-21swapper/107:35:111
111391220,0ptp4l0-21swapper/107:10:131
111391220,0ptp4l0-21swapper/011:42:190
111391220,0ptp4l0-21swapper/011:27:460
111391220,0ptp4l0-21swapper/009:20:180
111391220,0ptp4l0-21swapper/009:00:130
111391220,0ptp4l0-21swapper/008:46:450
111391220,0ptp4l0-21swapper/008:40:000
111391220,0ptp4l0-21swapper/008:21:530
111391220,0ptp4l0-21swapper/008:10:130
111391220,0ptp4l0-21swapper/007:30:180
111391220,0ptp4l0-21swapper/007:30:170
111391210,3ptp4l321ktimersoftd/211:53:092
111391210,2ptp4l0-21swapper/507:21:565
111391210,0ptp4l0-21swapper/512:35:345
111391210,0ptp4l0-21swapper/512:10:065
111391210,0ptp4l0-21swapper/511:52:455
111391210,0ptp4l0-21swapper/510:48:045
111391210,0ptp4l0-21swapper/510:31:385
111391210,0ptp4l0-21swapper/509:58:275
111391210,0ptp4l0-21swapper/509:02:465
111391210,0ptp4l0-21swapper/508:08:155
111391210,0ptp4l0-21swapper/507:44:475
111391210,0ptp4l0-21swapper/408:30:224
111391210,0ptp4l0-21swapper/408:00:184
111391210,0ptp4l0-21swapper/407:55:184
111391210,0ptp4l0-21swapper/407:11:524
111391210,0ptp4l0-21swapper/310:54:023
111391210,0ptp4l0-21swapper/210:55:562
111391210,0ptp4l0-21swapper/210:43:422
111391210,0ptp4l0-21swapper/209:45:432
111391210,0ptp4l0-21swapper/208:38:192
111391210,0ptp4l0-21swapper/112:38:161
111391210,0ptp4l0-21swapper/111:53:291
111391210,0ptp4l0-21swapper/111:21:511
111391210,0ptp4l0-21swapper/111:01:361
111391210,0ptp4l0-21swapper/110:46:111
111391210,0ptp4l0-21swapper/110:41:511
111391210,0ptp4l0-21swapper/109:56:061
111391210,0ptp4l0-21swapper/109:26:571
111391210,0ptp4l0-21swapper/109:10:281
111391210,0ptp4l0-21swapper/109:03:191
111391210,0ptp4l0-21swapper/108:20:011
111391210,0ptp4l0-21swapper/108:20:001
111391210,0ptp4l0-21swapper/107:48:191
111391210,0ptp4l0-21swapper/107:20:201
111391210,0ptp4l0-21swapper/008:30:140
111391200,0ptp4l0-21swapper/712:15:347
111391200,0ptp4l0-21swapper/710:54:087
111391200,0ptp4l0-21swapper/710:44:467
111391200,0ptp4l0-21swapper/708:14:527
111391200,0ptp4l0-21swapper/612:31:016
111391200,0ptp4l0-21swapper/611:13:256
111391200,0ptp4l0-21swapper/611:07:596
111391200,0ptp4l0-21swapper/610:55:426
111391200,0ptp4l0-21swapper/610:13:066
111391200,0ptp4l0-21swapper/610:13:066
111391200,0ptp4l0-21swapper/507:29:265
111391200,0ptp4l0-21swapper/408:41:464
111391200,0ptp4l0-21swapper/408:37:194
111391200,0ptp4l0-21swapper/312:15:313
111391200,0ptp4l0-21swapper/312:08:123
111391200,0ptp4l0-21swapper/210:51:412
111391200,0ptp4l0-21swapper/210:16:022
111391200,0ptp4l0-21swapper/111:33:351
111391200,0ptp4l0-21swapper/110:14:211
111391200,0ptp4l0-21swapper/110:14:211
111391200,0ptp4l0-21swapper/109:43:221
111391200,0ptp4l0-21swapper/108:09:081
111391200,0ptp4l0-21swapper/007:16:190
111391190,0ptp4l0-21swapper/610:16:046
111391190,0ptp4l0-21swapper/607:44:026
111391190,0ptp4l0-21swapper/507:54:535
111391190,0ptp4l0-21swapper/408:22:364
111391190,0ptp4l0-21swapper/408:19:174
111391190,0ptp4l0-21swapper/407:36:514
111391190,0ptp4l0-21swapper/407:17:444
111391190,0ptp4l0-21swapper/311:28:463
111391190,0ptp4l0-21swapper/211:13:182
111391190,0ptp4l0-21swapper/209:18:372
111391180,0ptp4l0-21swapper/611:46:186
111391180,0ptp4l0-21swapper/611:17:256
111391180,0ptp4l0-21swapper/507:48:145
111391180,0ptp4l0-21swapper/308:14:563
111391180,0ptp4l0-21swapper/207:32:222
111391180,0ptp4l0-21swapper/207:32:212
111391170,0ptp4l0-21swapper/609:45:466
111391170,0ptp4l0-21swapper/212:31:032
111391170,0ptp4l0-21swapper/211:07:592
111391170,0ptp4l0-21swapper/209:08:272
111391160,0ptp4l0-21swapper/609:05:316
111391160,0ptp4l0-21swapper/608:22:156
111391160,0ptp4l0-21swapper/607:47:266
111391160,0ptp4l0-21swapper/511:46:435
111391160,0ptp4l0-21swapper/210:34:142
111391160,0ptp4l0-21swapper/210:25:292
111391160,0ptp4l0-21swapper/111:48:511
111391160,0ptp4l0-21swapper/007:11:190
111391150,1ptp4l33-21ksoftirqd/208:04:402
111391150,0ptp4l0-21swapper/711:28:477
111391150,0ptp4l0-21swapper/708:48:067
111391150,0ptp4l0-21swapper/707:29:057
111391150,0ptp4l0-21swapper/508:56:475
111391150,0ptp4l0-21swapper/507:34:305
111391150,0ptp4l0-21swapper/507:34:305
111391150,0ptp4l0-21swapper/408:45:554
111391150,0ptp4l0-21swapper/308:48:033
111391150,0ptp4l0-21swapper/307:29:073
111391150,0ptp4l0-21swapper/210:13:052
111391150,0ptp4l0-21swapper/210:13:052
111391150,0ptp4l0-21swapper/207:44:042
111391150,0ptp4l0-21swapper/109:07:031
111391150,0ptp4l0-21swapper/108:56:461
111391150,0ptp4l0-21swapper/107:41:461
111391150,0ptp4l0-21swapper/107:34:301
111391150,0ptp4l0-21swapper/107:34:301
111391150,0ptp4l0-21swapper/107:27:201
111391150,0ptp4l0-21swapper/008:15:390
111391140,0ptp4l0-21swapper/610:25:286
111391140,0ptp4l0-21swapper/609:18:376
111391140,0ptp4l0-21swapper/608:59:436
111391140,0ptp4l0-21swapper/608:52:176
111391140,0ptp4l0-21swapper/608:38:186
111391140,0ptp4l0-21swapper/608:34:316
111391140,0ptp4l0-21swapper/607:23:076
111391140,0ptp4l0-21swapper/208:59:442
111391140,0ptp4l0-21swapper/208:52:172
111391140,0ptp4l0-21swapper/208:34:322
111391140,0ptp4l0-21swapper/208:21:542
111391140,0ptp4l0-21swapper/207:47:212
111391140,0ptp4l0-21swapper/207:23:092
22769991310,2cyclictest27577-21turbostat09:30:007
186291130,2getstats0-21swapper/210:00:172
2274099123,2cyclictest1061-21snmpd11:39:143
2274099120,2cyclictest23092-21grep07:10:123
2274099120,1cyclictest0-21swapper/310:55:153
2273599120,11cyclictest21761-21memory08:15:162
2274099114,6cyclictest28879-21cut11:05:123
2274099114,6cyclictest1068-21runrttasks11:42:383
2274099113,7cyclictest14349-21cpuspeed_turbos08:00:113
2274099110,1cyclictest6997-21if_err_virbr011:20:163
2274099110,1cyclictest31665-21phc2sys11:55:193
2273599110,10cyclictest0-21swapper/210:06:042
2276999109,0cyclictest0-21swapper/710:39:527
2276299100,9cyclictest0-21swapper/609:32:466
2276299100,9cyclictest0-21swapper/609:11:156
2276299100,9cyclictest0-21swapper/607:20:006
2275599105,4cyclictest0-21swapper/511:36:255
2274099108,1cyclictest0-21swapper/311:30:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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