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2026-09-04 - 08:58

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 Fri Sep 04, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85472650,0sleep60-21swapper/620:25:166
1881916342,6phc2sys0-21swapper/219:06:282
111391610,5ptp4l0-21swapper/419:07:374
111391600,29ptp4l0-21swapper/019:09:370
111391590,5ptp4l0-21swapper/119:09:231
84412570,0sleep50-21swapper/523:45:165
74502530,0sleep50-21swapper/523:45:005
111391520,5ptp4l0-21swapper/519:09:365
472924938,6sleep70-21swapper/719:07:337
457724635,7sleep30-21swapper/319:05:353
456924636,6sleep60-21swapper/619:05:306
111391350,0ptp4l14470-21cat23:55:000
522599340,11cyclictest0-21swapper/523:05:065
111391340,0ptp4l0-21swapper/023:30:480
111391340,0ptp4l0-21swapper/000:30:150
111391340,0ptp4l0-21swapper/000:30:150
111391320,0ptp4l0-21swapper/021:37:140
111391310,0ptp4l0-21swapper/421:57:234
111391300,0ptp4l0-21swapper/500:04:155
111391300,0ptp4l0-21swapper/400:27:294
111391300,0ptp4l0-21swapper/400:27:294
111391300,0ptp4l0-21swapper/023:10:190
111391290,0ptp4l0-21swapper/523:17:345
111391290,0ptp4l0-21swapper/500:20:425
111391290,0ptp4l0-21swapper/421:35:154
111391290,0ptp4l0-21swapper/421:10:184
111391290,0ptp4l0-21swapper/022:37:580
111391290,0ptp4l0-21swapper/021:50:250
111391290,0ptp4l0-21swapper/021:50:250
111391290,0ptp4l0-21swapper/021:15:160
522599280,23cyclictest0-21swapper/522:01:575
111391280,2ptp4l0-21swapper/419:45:174
111391280,0ptp4l0-21swapper/500:29:495
111391280,0ptp4l0-21swapper/500:29:495
111391280,0ptp4l0-21swapper/423:45:254
111391280,0ptp4l0-21swapper/423:10:414
111391280,0ptp4l0-21swapper/123:17:521
111391280,0ptp4l0-21swapper/100:10:161
111391280,0ptp4l0-21swapper/021:28:480
522599270,22cyclictest0-21swapper/522:06:195
111391270,2ptp4l0-21swapper/422:25:194
111391270,0ptp4l0-21swapper/423:26:294
111391270,0ptp4l0-21swapper/420:05:184
111391270,0ptp4l0-21swapper/400:04:474
111391270,0ptp4l0-21swapper/121:19:291
111391270,0ptp4l0-21swapper/023:07:050
111391270,0ptp4l0-21swapper/022:55:560
111391270,0ptp4l0-21swapper/019:15:190
111391270,0ptp4l0-21swapper/000:18:140
111391260,2ptp4l0-21swapper/422:42:364
111391260,2ptp4l0-21swapper/320:00:003
111391260,0ptp4l0-21swapper/523:30:005
111391260,0ptp4l0-21swapper/523:24:305
111391260,0ptp4l0-21swapper/522:14:285
111391260,0ptp4l0-21swapper/423:37:004
111391260,0ptp4l0-21swapper/423:22:024
111391260,0ptp4l0-21swapper/421:42:374
111391260,0ptp4l0-21swapper/421:29:174
111391260,0ptp4l0-21swapper/400:33:374
111391260,0ptp4l0-21swapper/400:33:364
111391260,0ptp4l0-21swapper/323:05:123
111391260,0ptp4l0-21swapper/322:28:263
111391260,0ptp4l0-21swapper/221:15:472
111391260,0ptp4l0-21swapper/122:47:251
111391260,0ptp4l0-21swapper/121:35:191
111391260,0ptp4l0-21swapper/023:27:370
111391260,0ptp4l0-21swapper/000:06:330
111391250,3ptp4l0-21swapper/422:09:324
111391250,2ptp4l0-21swapper/023:40:170
111391250,2ptp4l0-21swapper/021:56:570
111391250,1ptp4l11483-21needreboot19:20:171
111391250,1ptp4l0-21swapper/100:29:481
111391250,1ptp4l0-21swapper/100:29:471
111391250,0ptp4l0-21swapper/722:05:367
111391250,0ptp4l0-21swapper/522:53:405
111391250,0ptp4l0-21swapper/522:44:285
111391250,0ptp4l0-21swapper/521:40:515
111391250,0ptp4l0-21swapper/519:50:185
111391250,0ptp4l0-21swapper/500:37:085
111391250,0ptp4l0-21swapper/500:19:375
111391250,0ptp4l0-21swapper/423:15:134
111391250,0ptp4l0-21swapper/423:09:494
111391250,0ptp4l0-21swapper/422:33:414
111391250,0ptp4l0-21swapper/422:15:344
111391250,0ptp4l0-21swapper/421:24:204
111391250,0ptp4l0-21swapper/421:17:074
111391250,0ptp4l0-21swapper/400:37:024
111391250,0ptp4l0-21swapper/123:20:111
111391250,0ptp4l0-21swapper/121:47:271
111391250,0ptp4l0-21swapper/023:38:030
111391250,0ptp4l0-21swapper/022:25:140
111391250,0ptp4l0-21swapper/022:21:260
111391250,0ptp4l0-21swapper/022:10:170
111391250,0ptp4l0-21swapper/022:09:370
111391250,0ptp4l0-21swapper/019:30:230
111391250,0ptp4l0-21swapper/000:28:190
111391250,0ptp4l0-21swapper/000:28:190
111391240,3ptp4l0-21swapper/123:26:491
111391240,2ptp4l0-21swapper/100:23:581
111391240,1ptp4l4198-21cpuspeed_turbos23:40:124
111391240,1ptp4l31463-21missed_timers22:45:164
111391240,1ptp4l24704-21switchtime22:35:205
111391240,1ptp4l24364-21diskstats21:00:144
111391240,1ptp4l23771-21switchtime23:20:210
111391240,1ptp4l22085-21fw_forwarded_lo20:55:126
111391240,1ptp4l19778-21diskstats20:50:121
111391240,1ptp4l12446-21idleruntime23:05:126
111391240,0ptp4l0-21swapper/721:11:387
111391240,0ptp4l0-21swapper/523:36:005
111391240,0ptp4l0-21swapper/523:00:195
111391240,0ptp4l0-21swapper/521:36:075
111391240,0ptp4l0-21swapper/500:34:305
111391240,0ptp4l0-21swapper/500:34:305
111391240,0ptp4l0-21swapper/422:55:114
111391240,0ptp4l0-21swapper/422:12:004
111391240,0ptp4l0-21swapper/422:01:184
111391240,0ptp4l0-21swapper/420:30:004
111391240,0ptp4l0-21swapper/419:32:244
111391240,0ptp4l0-21swapper/419:26:474
111391240,0ptp4l0-21swapper/419:15:104
111391240,0ptp4l0-21swapper/400:22:204
111391240,0ptp4l0-21swapper/400:19:524
111391240,0ptp4l0-21swapper/400:05:184
111391240,0ptp4l0-21swapper/322:05:453
111391240,0ptp4l0-21swapper/321:26:503
111391240,0ptp4l0-21swapper/123:30:351
111391240,0ptp4l0-21swapper/123:01:541
111391240,0ptp4l0-21swapper/122:40:191
111391240,0ptp4l0-21swapper/121:55:191
111391240,0ptp4l0-21swapper/121:25:171
111391240,0ptp4l0-21swapper/120:10:111
111391240,0ptp4l0-21swapper/119:55:211
111391240,0ptp4l0-21swapper/100:00:121
111391240,0ptp4l0-21swapper/023:58:040
111391240,0ptp4l0-21swapper/021:40:140
111391240,0ptp4l0-21swapper/021:20:160
111391240,0ptp4l0-21swapper/019:25:180
111391240,0ptp4l0-21swapper/000:35:170
111391240,0ptp4l0-21swapper/000:04:590
111391230,1ptp4l1068-21runrttasks22:53:401
111391230,1ptp4l1067-21sshd22:41:320
111391230,0ptp4l0-21swapper/723:05:197
111391230,0ptp4l0-21swapper/623:40:376
111391230,0ptp4l0-21swapper/523:50:165
111391230,0ptp4l0-21swapper/522:30:165
111391230,0ptp4l0-21swapper/521:55:135
111391230,0ptp4l0-21swapper/521:05:185
111391230,0ptp4l0-21swapper/520:50:135
111391230,0ptp4l0-21swapper/520:10:155
111391230,0ptp4l0-21swapper/519:55:205
111391230,0ptp4l0-21swapper/500:10:175
111391230,0ptp4l0-21swapper/500:05:195
111391230,0ptp4l0-21swapper/423:55:144
111391230,0ptp4l0-21swapper/423:51:124
111391230,0ptp4l0-21swapper/423:33:404
111391230,0ptp4l0-21swapper/423:05:004
111391230,0ptp4l0-21swapper/422:50:204
111391230,0ptp4l0-21swapper/422:35:394
111391230,0ptp4l0-21swapper/421:50:194
111391230,0ptp4l0-21swapper/421:50:184
111391230,0ptp4l0-21swapper/421:33:294
111391230,0ptp4l0-21swapper/421:05:134
111391230,0ptp4l0-21swapper/420:40:194
111391230,0ptp4l0-21swapper/420:30:194
111391230,0ptp4l0-21swapper/419:35:144
111391230,0ptp4l0-21swapper/419:10:194
111391230,0ptp4l0-21swapper/419:10:194
111391230,0ptp4l0-21swapper/123:50:171
111391230,0ptp4l0-21swapper/123:40:151
111391230,0ptp4l0-21swapper/123:35:221
111391230,0ptp4l0-21swapper/123:11:061
111391230,0ptp4l0-21swapper/122:35:201
111391230,0ptp4l0-21swapper/122:21:351
111391230,0ptp4l0-21swapper/121:23:231
111391230,0ptp4l0-21swapper/120:00:201
111391230,0ptp4l0-21swapper/119:50:221
111391230,0ptp4l0-21swapper/119:15:121
111391230,0ptp4l0-21swapper/100:10:001
111391230,0ptp4l0-21swapper/023:45:160
111391230,0ptp4l0-21swapper/023:15:130
111391230,0ptp4l0-21swapper/022:33:110
111391230,0ptp4l0-21swapper/022:00:530
111391230,0ptp4l0-21swapper/021:45:500
111391230,0ptp4l0-21swapper/021:34:090
111391230,0ptp4l0-21swapper/021:10:220
111391230,0ptp4l0-21swapper/021:05:120
111391230,0ptp4l0-21swapper/020:45:180
111391230,0ptp4l0-21swapper/020:30:150
111391230,0ptp4l0-21swapper/020:25:000
111391230,0ptp4l0-21swapper/020:00:120
111391230,0ptp4l0-21swapper/019:40:170
111391230,0ptp4l0-21swapper/019:35:110
111391230,0ptp4l0-21swapper/000:22:330
111391230,0ptp4l0-21swapper/000:12:330
111391220,1ptp4l30702-21ssh21:11:253
111391220,1ptp4l12663-21cpu20:35:111
111391220,0ptp4l0-21swapper/722:29:307
111391220,0ptp4l0-21swapper/721:26:397
111391220,0ptp4l0-21swapper/700:35:157
111391220,0ptp4l0-21swapper/623:31:046
111391220,0ptp4l0-21swapper/622:48:426
111391220,0ptp4l0-21swapper/621:37:096
111391220,0ptp4l0-21swapper/523:26:505
111391220,0ptp4l0-21swapper/523:12:305
111391220,0ptp4l0-21swapper/522:55:175
111391220,0ptp4l0-21swapper/522:46:565
111391220,0ptp4l0-21swapper/522:18:005
111391220,0ptp4l0-21swapper/521:51:125
111391220,0ptp4l0-21swapper/521:51:125
111391220,0ptp4l0-21swapper/521:47:125
111391220,0ptp4l0-21swapper/521:32:145
111391220,0ptp4l0-21swapper/521:25:175
111391220,0ptp4l0-21swapper/521:22:055
111391220,0ptp4l0-21swapper/521:18:345
111391220,0ptp4l0-21swapper/521:05:005
111391220,0ptp4l0-21swapper/520:40:125
111391220,0ptp4l0-21swapper/520:20:125
111391220,0ptp4l0-21swapper/520:15:155
111391220,0ptp4l0-21swapper/422:20:154
111391220,0ptp4l0-21swapper/421:45:194
111391220,0ptp4l0-21swapper/420:55:334
111391220,0ptp4l0-21swapper/420:45:174
111391220,0ptp4l0-21swapper/420:35:164
111391220,0ptp4l0-21swapper/420:20:424
111391220,0ptp4l0-21swapper/420:00:124
111391220,0ptp4l0-21swapper/419:55:314
111391220,0ptp4l0-21swapper/419:40:144
111391220,0ptp4l0-21swapper/400:12:484
111391220,0ptp4l0-21swapper/319:20:203
111391220,0ptp4l0-21swapper/220:55:172
111391220,0ptp4l0-21swapper/123:55:331
111391220,0ptp4l0-21swapper/123:47:171
111391220,0ptp4l0-21swapper/123:09:191
111391220,0ptp4l0-21swapper/122:55:181
111391220,0ptp4l0-21swapper/122:30:141
111391220,0ptp4l0-21swapper/122:27:181
111391220,0ptp4l0-21swapper/122:13:411
111391220,0ptp4l0-21swapper/122:08:421
111391220,0ptp4l0-21swapper/122:00:131
111391220,0ptp4l0-21swapper/121:52:231
111391220,0ptp4l0-21swapper/121:52:231
111391220,0ptp4l0-21swapper/121:40:201
111391220,0ptp4l0-21swapper/121:14:361
111391220,0ptp4l0-21swapper/121:05:161
111391220,0ptp4l0-21swapper/120:20:111
111391220,0ptp4l0-21swapper/120:15:151
111391220,0ptp4l0-21swapper/119:30:121
111391220,0ptp4l0-21swapper/100:30:441
111391220,0ptp4l0-21swapper/100:30:441
111391220,0ptp4l0-21swapper/100:16:311
111391220,0ptp4l0-21swapper/023:01:220
111391220,0ptp4l0-21swapper/022:50:240
111391220,0ptp4l0-21swapper/022:47:400
111391220,0ptp4l0-21swapper/022:15:200
111391220,0ptp4l0-21swapper/021:00:160
111391220,0ptp4l0-21swapper/020:40:200
111391220,0ptp4l0-21swapper/020:25:110
111391220,0ptp4l0-21swapper/020:15:190
111391220,0ptp4l0-21swapper/019:50:340
111391220,0ptp4l0-21swapper/019:45:160
111391220,0ptp4l0-21swapper/019:20:130
111391220,0ptp4l0-21swapper/019:10:130
111391220,0ptp4l0-21swapper/019:10:120
111391210,0ptp4l0-21swapper/719:54:537
111391210,0ptp4l0-21swapper/622:00:486
111391210,0ptp4l0-21swapper/621:54:436
111391210,0ptp4l0-21swapper/621:54:426
111391210,0ptp4l0-21swapper/621:32:526
111391210,0ptp4l0-21swapper/523:55:535
111391210,0ptp4l0-21swapper/522:26:065
111391210,0ptp4l0-21swapper/522:20:435
111391210,0ptp4l0-21swapper/520:34:345
111391210,0ptp4l0-21swapper/520:00:185
111391210,0ptp4l0-21swapper/519:47:285
111391210,0ptp4l0-21swapper/519:30:135
111391210,0ptp4l0-21swapper/519:12:375
111391210,0ptp4l0-21swapper/519:12:375
111391210,0ptp4l0-21swapper/323:25:053
111391210,0ptp4l0-21swapper/321:54:263
111391210,0ptp4l0-21swapper/321:54:263
111391210,0ptp4l0-21swapper/319:54:563
111391210,0ptp4l0-21swapper/223:24:002
111391210,0ptp4l0-21swapper/222:48:392
111391210,0ptp4l0-21swapper/221:32:552
111391210,0ptp4l0-21swapper/219:20:182
111391210,0ptp4l0-21swapper/122:15:121
111391210,0ptp4l0-21swapper/121:31:371
111391210,0ptp4l0-21swapper/120:45:011
111391210,0ptp4l0-21swapper/100:37:191
111391210,0ptp4l0-21swapper/020:55:190
111391210,0ptp4l0-21swapper/020:05:130
111391200,0ptp4l0-21swapper/721:54:167
111391200,0ptp4l0-21swapper/721:54:167
111391200,0ptp4l0-21swapper/619:20:196
111391200,0ptp4l0-21swapper/519:44:045
111391200,0ptp4l0-21swapper/420:18:344
111391200,0ptp4l0-21swapper/419:53:384
111391200,0ptp4l0-21swapper/419:23:334
111391200,0ptp4l0-21swapper/223:41:002
111391200,0ptp4l0-21swapper/221:54:392
111391200,0ptp4l0-21swapper/221:54:392
111391200,0ptp4l0-21swapper/120:25:231
111391200,0ptp4l0-21swapper/119:45:371
111391200,0ptp4l0-21swapper/119:43:381
111391200,0ptp4l0-21swapper/119:28:341
111391200,0ptp4l0-21swapper/020:35:150
111391190,0ptp4l0-21swapper/723:25:077
111391190,0ptp4l0-21swapper/623:59:346
111391190,0ptp4l0-21swapper/621:15:546
111391190,0ptp4l0-21swapper/520:39:035
111391190,0ptp4l0-21swapper/520:27:335
111391190,0ptp4l0-21swapper/520:08:385
111391190,0ptp4l0-21swapper/519:23:455
111391190,0ptp4l0-21swapper/519:15:115
111391190,0ptp4l0-21swapper/420:12:374
111391190,0ptp4l0-21swapper/223:59:332
111391190,0ptp4l0-21swapper/223:31:002
111391190,0ptp4l0-21swapper/121:01:321
111391190,0ptp4l0-21swapper/119:38:381
111391190,0ptp4l0-21swapper/119:12:201
111391190,0ptp4l0-21swapper/119:12:201
111391190,0ptp4l0-21swapper/020:50:230
111391180,1ptp4l0-21swapper/120:34:471
111391180,0ptp4l0-21swapper/721:43:337
111391180,0ptp4l0-21swapper/720:35:287
111391180,0ptp4l0-21swapper/623:24:036
111391180,0ptp4l0-21swapper/619:18:096
111391180,0ptp4l0-21swapper/521:14:165
111391180,0ptp4l0-21swapper/520:46:215
111391180,0ptp4l0-21swapper/519:29:345
111391180,0ptp4l0-21swapper/420:50:334
111391180,0ptp4l0-21swapper/222:33:242
111391180,0ptp4l0-21swapper/221:37:062
111391180,0ptp4l0-21swapper/120:09:561
111391180,0ptp4l0-21swapper/020:11:050
309482170,0sleep30-21swapper/323:30:243
111391170,1ptp4l33-21ksoftirqd/219:10:012
111391170,1ptp4l33-21ksoftirqd/219:10:012
111391170,0ptp4l20163-21ssh21:43:393
111391170,0ptp4l0-21swapper/622:33:256
111391170,0ptp4l0-21swapper/222:02:232
111391160,0ptp4l0-21swapper/600:16:176
111391160,0ptp4l0-21swapper/520:58:345
111391160,0ptp4l0-21swapper/519:37:275
111391160,0ptp4l0-21swapper/319:37:523
111391160,0ptp4l0-21swapper/200:16:192
111391160,0ptp4l0-21swapper/120:41:061
111391160,0ptp4l0-21swapper/019:57:550
5230991513,1cyclictest0-21swapper/600:25:126
5230991513,1cyclictest0-21swapper/600:25:126
111391150,0ptp4l0-21swapper/720:13:417
111391150,0ptp4l0-21swapper/720:00:027
111391150,0ptp4l0-21swapper/719:37:547
111391150,0ptp4l0-21swapper/719:20:217
111391150,0ptp4l0-21swapper/719:18:277
111391150,0ptp4l0-21swapper/622:25:016
111391150,0ptp4l0-21swapper/620:22:346
111391150,0ptp4l0-21swapper/620:17:346
111391150,0ptp4l0-21swapper/619:56:356
111391150,0ptp4l0-21swapper/619:10:036
111391150,0ptp4l0-21swapper/619:10:026
111391150,0ptp4l0-21swapper/320:35:393
111391150,0ptp4l0-21swapper/320:13:343
111391150,0ptp4l0-21swapper/319:18:233
111391150,0ptp4l0-21swapper/300:15:003
111391150,0ptp4l0-21swapper/222:25:012
111391150,0ptp4l0-21swapper/219:56:302
111391150,0ptp4l0-21swapper/120:58:291
262202140,0sleep20-21swapper/221:05:002
111391140,0ptp4l0-21swapper/719:59:587
111391140,0ptp4l0-21swapper/319:59:573
111391140,0ptp4l0-21swapper/220:43:292
111391140,0ptp4l0-21swapper/220:22:352
111391140,0ptp4l0-21swapper/220:17:372
111391140,0ptp4l0-21swapper/219:18:062
521099119,1cyclictest0-21swapper/319:30:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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