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2026-05-31 - 09:30

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 May 31, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391720,40ptp4l0-21swapper/219:06:132
806726836,17sleep70-21swapper/719:08:327
184522660,0sleep20-21swapper/200:31:472
111391660,29ptp4l0-21swapper/019:05:140
150222650,1sleep09-21ksoftirqd/019:20:170
111391590,5ptp4l0-21swapper/419:08:434
1881915534,7phc2sys0-21swapper/319:06:133
111391550,5ptp4l0-21swapper/619:07:136
813425232,6sleep10-21swapper/119:09:221
799424634,7sleep50-21swapper/519:07:345
850299350,23cyclictest0-21swapper/620:15:156
111391350,1ptp4l4638-21crond22:45:001
111391340,0ptp4l0-21swapper/500:05:195
111391340,0ptp4l0-21swapper/023:43:200
111391340,0ptp4l0-21swapper/000:20:500
111391320,0ptp4l0-21swapper/700:22:187
111391320,0ptp4l0-21swapper/421:26:554
111391320,0ptp4l0-21swapper/021:56:490
111391310,2ptp4l0-21swapper/021:30:080
111391310,0ptp4l0-21swapper/023:57:050
111391300,0ptp4l0-21swapper/122:14:451
111391300,0ptp4l0-21swapper/121:10:131
111391300,0ptp4l0-21swapper/023:19:520
111391290,3ptp4l0-21swapper/022:28:440
111391290,0ptp4l0-21swapper/722:12:477
111391290,0ptp4l0-21swapper/523:07:165
111391290,0ptp4l0-21swapper/423:28:564
111391290,0ptp4l0-21swapper/421:39:324
111391290,0ptp4l0-21swapper/100:00:431
111391290,0ptp4l0-21swapper/022:53:030
111391290,0ptp4l0-21swapper/022:17:510
111391280,3ptp4l31571-21diskmemload00:27:265
111391280,1ptp4l22003-21ssh22:24:054
111391280,0ptp4l0-21swapper/722:06:507
111391280,0ptp4l0-21swapper/423:37:054
111391280,0ptp4l0-21swapper/421:59:094
111391280,0ptp4l0-21swapper/300:31:033
111391280,0ptp4l0-21swapper/123:15:071
111391280,0ptp4l0-21swapper/121:28:281
111391280,0ptp4l0-21swapper/021:21:440
111391280,0ptp4l0-21swapper/021:11:010
111391280,0ptp4l0-21swapper/020:30:180
111391270,0ptp4l0-21swapper/523:41:065
111391270,0ptp4l0-21swapper/523:24:515
111391270,0ptp4l0-21swapper/522:14:245
111391270,0ptp4l0-21swapper/522:08:145
111391270,0ptp4l0-21swapper/521:49:215
111391270,0ptp4l0-21swapper/521:14:235
111391270,0ptp4l0-21swapper/423:58:344
111391270,0ptp4l0-21swapper/422:52:034
111391270,0ptp4l0-21swapper/400:09:384
111391270,0ptp4l0-21swapper/400:04:414
111391270,0ptp4l0-21swapper/123:39:531
111391270,0ptp4l0-21swapper/122:20:301
111391270,0ptp4l0-21swapper/122:02:401
111391270,0ptp4l0-21swapper/023:27:170
111391270,0ptp4l0-21swapper/022:31:540
111391270,0ptp4l0-21swapper/022:31:540
111391260,0ptp4l0-21swapper/721:37:487
111391260,0ptp4l0-21swapper/622:36:446
111391260,0ptp4l0-21swapper/622:36:446
111391260,0ptp4l0-21swapper/523:14:065
111391260,0ptp4l0-21swapper/521:31:345
111391260,0ptp4l0-21swapper/519:20:115
111391260,0ptp4l0-21swapper/422:14:334
111391260,0ptp4l0-21swapper/421:48:504
111391260,0ptp4l0-21swapper/421:40:074
111391260,0ptp4l0-21swapper/123:31:571
111391260,0ptp4l0-21swapper/122:47:571
111391260,0ptp4l0-21swapper/023:51:430
111391260,0ptp4l0-21swapper/022:43:130
111391260,0ptp4l0-21swapper/020:05:160
111391260,0ptp4l0-21swapper/000:25:160
111391260,0ptp4l0-21swapper/000:17:500
111391250,2ptp4l0-21swapper/523:30:055
111391250,0ptp4l0-21swapper/521:51:055
111391250,0ptp4l0-21swapper/500:00:115
111391250,0ptp4l0-21swapper/423:46:084
111391250,0ptp4l0-21swapper/422:35:114
111391250,0ptp4l0-21swapper/422:35:114
111391250,0ptp4l0-21swapper/422:33:074
111391250,0ptp4l0-21swapper/422:33:064
111391250,0ptp4l0-21swapper/421:18:234
111391250,0ptp4l0-21swapper/420:40:194
111391250,0ptp4l0-21swapper/122:55:131
111391250,0ptp4l0-21swapper/122:08:281
111391250,0ptp4l0-21swapper/121:53:191
111391250,0ptp4l0-21swapper/023:36:010
111391250,0ptp4l0-21swapper/022:55:510
111391250,0ptp4l0-21swapper/022:04:040
111391250,0ptp4l0-21swapper/019:45:150
111391250,0ptp4l0-21swapper/000:35:160
111391240,1ptp4l9024-21ssh21:20:404
111391240,1ptp4l8937-21diskstats19:10:110
111391240,1ptp4l745-21gdbus21:35:001
111391240,1ptp4l347-21irqstats20:00:154
111391240,1ptp4l28173-21/usr/sbin/munin23:15:196
111391240,1ptp4l27854-21df19:50:120
111391240,1ptp4l27344-21fw_forwarded_lo23:15:144
111391240,1ptp4l20013-21/usr/sbin/munin00:35:124
111391240,1ptp4l19191-21ps20:40:170
111391240,1ptp4l16439-21smartctl22:15:194
111391240,1ptp4l15744-21sh23:43:354
111391240,1ptp4l14144-21hddtemp_smartct19:20:121
111391240,1ptp4l13668-21irqstats23:40:141
111391240,1ptp4l11817-21df_inode19:15:104
111391240,1ptp4l11594-21fw_conntrack20:25:134
111391240,0ptp4l0-21swapper/700:30:207
111391240,0ptp4l0-21swapper/622:50:196
111391240,0ptp4l0-21swapper/522:03:265
111391240,0ptp4l0-21swapper/521:57:565
111391240,0ptp4l0-21swapper/520:45:015
111391240,0ptp4l0-21swapper/520:00:525
111391240,0ptp4l0-21swapper/500:10:175
111391240,0ptp4l0-21swapper/423:22:374
111391240,0ptp4l0-21swapper/420:55:204
111391240,0ptp4l0-21swapper/419:10:174
111391240,0ptp4l0-21swapper/400:13:064
111391240,0ptp4l0-21swapper/121:00:141
111391240,0ptp4l0-21swapper/120:59:391
111391240,0ptp4l0-21swapper/120:04:581
111391240,0ptp4l0-21swapper/023:45:120
111391240,0ptp4l0-21swapper/023:06:200
111391240,0ptp4l0-21swapper/022:35:570
111391240,0ptp4l0-21swapper/022:35:570
111391240,0ptp4l0-21swapper/022:20:370
111391240,0ptp4l0-21swapper/021:50:110
111391240,0ptp4l0-21swapper/021:17:150
111391240,0ptp4l0-21swapper/020:27:320
111391240,0ptp4l0-21swapper/020:20:150
111391240,0ptp4l0-21swapper/000:10:180
111391230,1ptp4l27820-21taskset21:46:491
111391230,1ptp4l18273-21ssh23:02:095
111391230,1ptp4l11337-21if_virbr0-nic21:25:160
111391230,0ptp4l3501-21ssh21:15:091
111391230,0ptp4l0-21swapper/723:18:227
111391230,0ptp4l0-21swapper/621:40:206
111391230,0ptp4l0-21swapper/523:39:305
111391230,0ptp4l0-21swapper/522:55:015
111391230,0ptp4l0-21swapper/522:45:185
111391230,0ptp4l0-21swapper/522:43:385
111391230,0ptp4l0-21swapper/522:30:175
111391230,0ptp4l0-21swapper/522:30:175
111391230,0ptp4l0-21swapper/522:15:125
111391230,0ptp4l0-21swapper/521:00:135
111391230,0ptp4l0-21swapper/519:35:125
111391230,0ptp4l0-21swapper/519:20:005
111391230,0ptp4l0-21swapper/423:51:384
111391230,0ptp4l0-21swapper/423:30:344
111391230,0ptp4l0-21swapper/423:10:484
111391230,0ptp4l0-21swapper/423:07:034
111391230,0ptp4l0-21swapper/423:00:194
111391230,0ptp4l0-21swapper/422:55:184
111391230,0ptp4l0-21swapper/422:47:254
111391230,0ptp4l0-21swapper/422:26:194
111391230,0ptp4l0-21swapper/422:04:044
111391230,0ptp4l0-21swapper/421:50:124
111391230,0ptp4l0-21swapper/421:30:124
111391230,0ptp4l0-21swapper/420:50:114
111391230,0ptp4l0-21swapper/420:46:514
111391230,0ptp4l0-21swapper/420:05:114
111391230,0ptp4l0-21swapper/419:50:194
111391230,0ptp4l0-21swapper/419:40:194
111391230,0ptp4l0-21swapper/419:30:194
111391230,0ptp4l0-21swapper/400:29:024
111391230,0ptp4l0-21swapper/400:20:134
111391230,0ptp4l0-21swapper/400:15:144
111391230,0ptp4l0-21swapper/322:12:013
111391230,0ptp4l0-21swapper/322:05:113
111391230,0ptp4l0-21swapper/321:44:253
111391230,0ptp4l0-21swapper/321:35:143
111391230,0ptp4l0-21swapper/300:25:593
111391230,0ptp4l0-21swapper/223:15:172
111391230,0ptp4l0-21swapper/222:50:182
111391230,0ptp4l0-21swapper/123:30:011
111391230,0ptp4l0-21swapper/122:30:191
111391230,0ptp4l0-21swapper/122:30:191
111391230,0ptp4l0-21swapper/122:18:541
111391230,0ptp4l0-21swapper/121:05:111
111391230,0ptp4l0-21swapper/119:55:131
111391230,0ptp4l0-21swapper/119:55:131
111391230,0ptp4l0-21swapper/119:35:181
111391230,0ptp4l0-21swapper/100:27:251
111391230,0ptp4l0-21swapper/100:05:201
111391230,0ptp4l0-21swapper/100:00:001
111391230,0ptp4l0-21swapper/023:33:310
111391230,0ptp4l0-21swapper/023:10:150
111391230,0ptp4l0-21swapper/023:00:130
111391230,0ptp4l0-21swapper/022:10:130
111391230,0ptp4l0-21swapper/021:45:170
111391230,0ptp4l0-21swapper/021:40:150
111391230,0ptp4l0-21swapper/020:50:200
111391230,0ptp4l0-21swapper/020:10:120
111391230,0ptp4l0-21swapper/019:25:150
111391230,0ptp4l0-21swapper/000:32:550
111391230,0ptp4l0-21swapper/000:02:390
111391220,1ptp4l30999-21grep19:55:190
111391220,1ptp4l30999-21grep19:55:190
111391220,1ptp4l29229-21ssh23:17:075
111391220,1ptp4l10016-21ssh22:06:170
111391220,0ptp4l17041-21strings19:25:164
111391220,0ptp4l0-21swapper/722:23:387
111391220,0ptp4l0-21swapper/721:43:317
111391220,0ptp4l0-21swapper/700:26:037
111391220,0ptp4l0-21swapper/622:05:356
111391220,0ptp4l0-21swapper/523:50:555
111391220,0ptp4l0-21swapper/522:55:135
111391220,0ptp4l0-21swapper/522:20:175
111391220,0ptp4l0-21swapper/521:27:595
111391220,0ptp4l0-21swapper/521:05:145
111391220,0ptp4l0-21swapper/520:55:135
111391220,0ptp4l0-21swapper/520:45:145
111391220,0ptp4l0-21swapper/520:10:195
111391220,0ptp4l0-21swapper/519:55:135
111391220,0ptp4l0-21swapper/519:55:135
111391220,0ptp4l0-21swapper/519:33:585
111391220,0ptp4l0-21swapper/519:11:585
111391220,0ptp4l0-21swapper/500:16:445
111391220,0ptp4l0-21swapper/422:40:124
111391220,0ptp4l0-21swapper/421:13:404
111391220,0ptp4l0-21swapper/420:35:124
111391220,0ptp4l0-21swapper/420:30:004
111391220,0ptp4l0-21swapper/420:20:184
111391220,0ptp4l0-21swapper/419:55:194
111391220,0ptp4l0-21swapper/419:55:194
111391220,0ptp4l0-21swapper/419:45:014
111391220,0ptp4l0-21swapper/400:31:264
111391220,0ptp4l0-21swapper/322:23:323
111391220,0ptp4l0-21swapper/300:22:203
111391220,0ptp4l0-21swapper/221:17:572
111391220,0ptp4l0-21swapper/123:53:571
111391220,0ptp4l0-21swapper/123:46:431
111391220,0ptp4l0-21swapper/123:20:121
111391220,0ptp4l0-21swapper/123:14:081
111391220,0ptp4l0-21swapper/123:05:141
111391220,0ptp4l0-21swapper/123:04:331
111391220,0ptp4l0-21swapper/122:54:091
111391220,0ptp4l0-21swapper/121:56:511
111391220,0ptp4l0-21swapper/121:42:491
111391220,0ptp4l0-21swapper/121:20:111
111391220,0ptp4l0-21swapper/120:52:591
111391220,0ptp4l0-21swapper/120:45:121
111391220,0ptp4l0-21swapper/119:30:011
111391220,0ptp4l0-21swapper/100:10:151
111391220,0ptp4l0-21swapper/023:21:130
111391220,0ptp4l0-21swapper/022:45:160
111391220,0ptp4l0-21swapper/020:55:180
111391220,0ptp4l0-21swapper/020:35:130
111391220,0ptp4l0-21swapper/020:20:010
111391220,0ptp4l0-21swapper/020:00:160
111391220,0ptp4l0-21swapper/019:40:130
111391220,0ptp4l0-21swapper/019:35:170
111391220,0ptp4l0-21swapper/019:30:140
111391220,0ptp4l0-21swapper/019:15:110
111391220,0ptp4l0-21swapper/000:07:070
111391210,0ptp4l0-21swapper/722:48:507
111391210,0ptp4l0-21swapper/621:26:566
111391210,0ptp4l0-21swapper/523:59:315
111391210,0ptp4l0-21swapper/523:47:025
111391210,0ptp4l0-21swapper/522:39:185
111391210,0ptp4l0-21swapper/522:39:175
111391210,0ptp4l0-21swapper/522:25:595
111391210,0ptp4l0-21swapper/521:39:175
111391210,0ptp4l0-21swapper/520:23:045
111391210,0ptp4l0-21swapper/519:54:555
111391210,0ptp4l0-21swapper/500:33:125
111391210,0ptp4l0-21swapper/422:06:094
111391210,0ptp4l0-21swapper/420:16:334
111391210,0ptp4l0-21swapper/419:35:154
111391210,0ptp4l0-21swapper/419:20:134
111391210,0ptp4l0-21swapper/323:18:183
111391210,0ptp4l0-21swapper/223:56:002
111391210,0ptp4l0-21swapper/222:05:452
111391210,0ptp4l0-21swapper/221:33:582
111391210,0ptp4l0-21swapper/220:40:172
111391210,0ptp4l0-21swapper/200:17:472
111391210,0ptp4l0-21swapper/122:27:451
111391210,0ptp4l0-21swapper/119:54:011
111391210,0ptp4l0-21swapper/119:17:021
111391210,0ptp4l0-21swapper/100:21:091
111391210,0ptp4l0-21swapper/100:16:451
111391210,0ptp4l0-21swapper/021:39:110
111391200,0ptp4l0-21swapper/720:10:457
111391200,0ptp4l0-21swapper/623:20:376
111391200,0ptp4l0-21swapper/621:17:526
111391200,0ptp4l0-21swapper/600:21:206
111391200,0ptp4l0-21swapper/523:29:475
111391200,0ptp4l0-21swapper/521:22:355
111391200,0ptp4l0-21swapper/521:15:055
111391200,0ptp4l0-21swapper/520:33:455
111391200,0ptp4l0-21swapper/520:25:155
111391200,0ptp4l0-21swapper/519:48:325
111391200,0ptp4l0-21swapper/519:44:505
111391200,0ptp4l0-21swapper/519:28:015
111391200,0ptp4l0-21swapper/420:10:124
111391200,0ptp4l0-21swapper/320:10:463
111391200,0ptp4l0-21swapper/223:20:412
111391200,0ptp4l0-21swapper/221:40:242
111391200,0ptp4l0-21swapper/221:26:562
111391200,0ptp4l0-21swapper/200:21:192
111391200,0ptp4l0-21swapper/122:36:391
111391200,0ptp4l0-21swapper/122:36:391
111391200,0ptp4l0-21swapper/121:35:041
111391200,0ptp4l0-21swapper/120:24:341
111391200,0ptp4l0-21swapper/120:12:061
111391200,0ptp4l0-21swapper/119:47:241
111391200,0ptp4l0-21swapper/119:41:391
111391200,0ptp4l0-21swapper/119:28:171
111391200,0ptp4l0-21swapper/100:34:571
111391190,0ptp4l0-21swapper/600:33:426
111391190,0ptp4l0-21swapper/500:21:125
111391190,0ptp4l0-21swapper/421:09:464
111391190,0ptp4l0-21swapper/222:36:442
111391190,0ptp4l0-21swapper/222:36:442
111391190,0ptp4l0-21swapper/200:05:222
111391190,0ptp4l0-21swapper/120:36:451
111391190,0ptp4l0-21swapper/120:32:461
163052180,0sleep60-21swapper/622:15:176
111391180,0ptp4l18431-21ssh23:02:336
111391180,0ptp4l0-21swapper/623:55:596
111391180,0ptp4l0-21swapper/620:40:176
111391180,0ptp4l0-21swapper/521:42:415
111391180,0ptp4l0-21swapper/500:36:445
111391180,0ptp4l0-21swapper/223:13:122
111391170,0ptp4l0-21swapper/600:05:236
111391170,0ptp4l0-21swapper/520:08:595
111391170,0ptp4l0-21swapper/120:41:361
8474991614,1cyclictest0-21swapper/219:55:212
8474991614,1cyclictest0-21swapper/219:55:212
111391160,0ptp4l0-21swapper/623:13:126
111391160,0ptp4l0-21swapper/520:19:215
111391160,0ptp4l0-21swapper/222:16:162
111391160,0ptp4l0-21swapper/221:22:532
111391160,0ptp4l0-21swapper/220:45:552
111391160,0ptp4l0-21swapper/120:29:081
111391160,0ptp4l0-21swapper/120:18:291
111391160,0ptp4l0-21swapper/119:11:421
111391160,0ptp4l0-21swapper/100:36:431
849499150,5cyclictest0-21swapper/520:52:105
111391150,0ptp4l31571-21diskmemload21:33:576
111391150,0ptp4l0-21swapper/620:45:586
111391150,0ptp4l0-21swapper/619:55:516
111391150,0ptp4l0-21swapper/619:55:516
111391150,0ptp4l0-21swapper/619:51:076
111391150,0ptp4l0-21swapper/619:25:436
111391150,0ptp4l0-21swapper/520:36:445
111391150,0ptp4l0-21swapper/421:04:394
111391150,0ptp4l0-21swapper/223:02:502
111391150,0ptp4l0-21swapper/220:30:332
111391150,0ptp4l0-21swapper/219:51:102
111391150,0ptp4l0-21swapper/219:28:252
111391150,0ptp4l0-21swapper/120:05:301
111391150,0ptp4l0-21swapper/021:06:360
111391150,0ptp4l0-21swapper/021:04:100
111391150,0ptp4l0-21swapper/020:45:300
111391140,0ptp4l0-21swapper/620:00:406
111391140,0ptp4l0-21swapper/619:41:016
111391140,0ptp4l0-21swapper/600:19:556
111391140,0ptp4l0-21swapper/600:14:456
111391140,0ptp4l0-21swapper/220:15:512
111391140,0ptp4l0-21swapper/220:00:392
111391140,0ptp4l0-21swapper/219:41:022
111391140,0ptp4l0-21swapper/200:14:452
850299110,10cyclictest0-21swapper/622:45:276
850899109,0cyclictest0-21swapper/722:40:187
850899102,1cyclictest0-21swapper/720:19:417
850899100,0cyclictest0-21swapper/722:35:177
850899100,0cyclictest0-21swapper/722:35:177
850299109,0cyclictest0-21swapper/623:27:156
850299109,0cyclictest0-21swapper/622:27:046
850299109,0cyclictest0-21swapper/621:53:456
850299100,9cyclictest0-21swapper/622:22:406
850299100,9cyclictest0-21swapper/621:45:066
850299100,9cyclictest0-21swapper/621:20:356
850299100,0cyclictest0-21swapper/621:36:376
850299100,0cyclictest0-21swapper/600:28:426
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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