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2026-08-20 - 04:10

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 Thu Aug 20, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
274572640,1sleep4471rcuc/421:45:184
126742630,0sleep50-21swapper/520:25:005
111391630,29ptp4l0-21swapper/119:05:481
111391610,6ptp4l0-21swapper/019:05:170
945026050,6sleep70-21swapper/719:05:347
111391600,5ptp4l0-21swapper/419:05:034
978625634,7sleep50-21swapper/519:09:495
1881915544,6phc2sys0-21swapper/219:05:032
944924737,6sleep60-21swapper/619:05:336
789124635,7sleep30-21swapper/319:05:063
111391350,0ptp4l0-21swapper/123:15:191
111391340,4ptp4l0-21swapper/523:51:125
111391320,7ptp4l0-21swapper/500:25:175
111391320,0ptp4l0-21swapper/521:40:195
111391320,0ptp4l0-21swapper/123:37:161
111391320,0ptp4l0-21swapper/123:02:091
111391320,0ptp4l0-21swapper/122:27:021
111391310,4ptp4l0-21swapper/121:20:271
111391310,0ptp4l0-21swapper/421:39:404
111391310,0ptp4l0-21swapper/000:10:160
111391300,0ptp4l0-21swapper/521:10:325
111391300,0ptp4l0-21swapper/122:15:551
111391300,0ptp4l0-21swapper/121:13:451
111391290,0ptp4l0-21swapper/123:42:411
111391290,0ptp4l0-21swapper/122:05:501
111391290,0ptp4l0-21swapper/121:37:511
111391290,0ptp4l0-21swapper/100:22:331
111391280,0ptp4l0-21swapper/522:35:505
111391280,0ptp4l0-21swapper/500:13:225
111391280,0ptp4l0-21swapper/422:21:164
111391280,0ptp4l0-21swapper/122:50:171
111391280,0ptp4l0-21swapper/122:50:161
111391280,0ptp4l0-21swapper/122:43:391
111391280,0ptp4l0-21swapper/121:46:471
111391280,0ptp4l0-21swapper/100:38:131
111391280,0ptp4l0-21swapper/022:09:310
111391270,0ptp4l0-21swapper/523:41:575
111391270,0ptp4l0-21swapper/523:07:075
111391270,0ptp4l0-21swapper/522:04:365
111391270,0ptp4l0-21swapper/521:49:415
111391270,0ptp4l0-21swapper/422:44:444
111391270,0ptp4l0-21swapper/422:07:084
111391270,0ptp4l0-21swapper/122:20:221
111391270,0ptp4l0-21swapper/122:03:211
111391260,0ptp4l0-21swapper/623:55:136
111391260,0ptp4l0-21swapper/623:02:556
111391260,0ptp4l0-21swapper/523:56:425
111391260,0ptp4l0-21swapper/522:21:495
111391260,0ptp4l0-21swapper/521:30:365
111391260,0ptp4l0-21swapper/521:18:285
111391260,0ptp4l0-21swapper/521:05:205
111391260,0ptp4l0-21swapper/520:35:105
111391260,0ptp4l0-21swapper/519:50:015
111391260,0ptp4l0-21swapper/500:20:075
111391260,0ptp4l0-21swapper/222:45:222
111391260,0ptp4l0-21swapper/123:20:141
111391260,0ptp4l0-21swapper/122:56:511
111391260,0ptp4l0-21swapper/121:34:351
111391260,0ptp4l0-21swapper/121:05:161
111391260,0ptp4l0-21swapper/120:15:221
111391260,0ptp4l0-21swapper/119:30:001
111391260,0ptp4l0-21swapper/100:33:541
111391260,0ptp4l0-21swapper/100:03:371
111391260,0ptp4l0-21swapper/022:39:490
111391260,0ptp4l0-21swapper/021:32:420
111391250,2ptp4l24919-21hddtemp_smartct19:40:120
111391250,2ptp4l0-21swapper/019:15:000
111391250,0ptp4l0-21swapper/721:33:547
111391250,0ptp4l0-21swapper/523:45:305
111391250,0ptp4l0-21swapper/523:01:335
111391250,0ptp4l0-21swapper/522:45:175
111391250,0ptp4l0-21swapper/519:35:145
111391250,0ptp4l0-21swapper/500:18:465
111391250,0ptp4l0-21swapper/222:24:572
111391250,0ptp4l0-21swapper/122:48:301
111391250,0ptp4l0-21swapper/122:13:331
111391250,0ptp4l0-21swapper/121:26:501
111391250,0ptp4l0-21swapper/120:25:131
111391250,0ptp4l0-21swapper/100:14:301
111391250,0ptp4l0-21swapper/000:04:070
111391240,2ptp4l0-21swapper/521:00:345
111391240,1ptp4l25936-21timerandwakeup19:40:181
111391240,1ptp4l25018-21irqstats20:50:141
111391240,1ptp4l22228-21uname22:25:135
111391240,1ptp4l21602-21swap23:10:191
111391240,1ptp4l1716-21smartctl20:00:153
111391240,1ptp4l10789-21memory22:55:160
111391240,1ptp4l10751-21latency_hist22:10:005
111391240,0ptp4l0-21swapper/722:00:217
111391240,0ptp4l0-21swapper/720:10:157
111391240,0ptp4l0-21swapper/720:10:147
111391240,0ptp4l0-21swapper/720:00:147
111391240,0ptp4l0-21swapper/523:38:025
111391240,0ptp4l0-21swapper/523:30:385
111391240,0ptp4l0-21swapper/523:23:105
111391240,0ptp4l0-21swapper/522:13:215
111391240,0ptp4l0-21swapper/520:30:115
111391240,0ptp4l0-21swapper/520:05:005
111391240,0ptp4l0-21swapper/519:29:215
111391240,0ptp4l0-21swapper/500:30:415
111391240,0ptp4l0-21swapper/500:00:215
111391240,0ptp4l0-21swapper/123:45:171
111391240,0ptp4l0-21swapper/123:25:141
111391240,0ptp4l0-21swapper/123:05:191
111391240,0ptp4l0-21swapper/121:15:541
111391240,0ptp4l0-21swapper/119:20:161
111391240,0ptp4l0-21swapper/100:28:451
111391240,0ptp4l0-21swapper/023:31:060
111391240,0ptp4l0-21swapper/021:35:390
111391230,2ptp4l0-21swapper/023:10:390
111391230,1ptp4l566-21users19:55:181
111391230,1ptp4l4998-21sed20:05:185
111391230,1ptp4l4080-21cat20:05:120
111391230,1ptp4l23797-21missed_timers00:00:194
111391230,1ptp4l1922-21pgrep22:42:405
111391230,0ptp4l22283-21cut19:35:015
111391230,0ptp4l0-21swapper/721:58:597
111391230,0ptp4l0-21swapper/523:25:165
111391230,0ptp4l0-21swapper/523:18:565
111391230,0ptp4l0-21swapper/523:10:125
111391230,0ptp4l0-21swapper/522:50:205
111391230,0ptp4l0-21swapper/522:50:205
111391230,0ptp4l0-21swapper/522:30:195
111391230,0ptp4l0-21swapper/521:50:125
111391230,0ptp4l0-21swapper/521:35:155
111391230,0ptp4l0-21swapper/521:25:195
111391230,0ptp4l0-21swapper/521:20:155
111391230,0ptp4l0-21swapper/520:55:165
111391230,0ptp4l0-21swapper/520:45:175
111391230,0ptp4l0-21swapper/520:40:125
111391230,0ptp4l0-21swapper/519:45:165
111391230,0ptp4l0-21swapper/519:40:205
111391230,0ptp4l0-21swapper/519:15:145
111391230,0ptp4l0-21swapper/500:35:135
111391230,0ptp4l0-21swapper/500:06:105
111391230,0ptp4l0-21swapper/423:45:154
111391230,0ptp4l0-21swapper/423:43:154
111391230,0ptp4l0-21swapper/423:00:144
111391230,0ptp4l0-21swapper/421:30:214
111391230,0ptp4l0-21swapper/421:25:124
111391230,0ptp4l0-21swapper/421:20:064
111391230,0ptp4l0-21swapper/421:17:034
111391230,0ptp4l0-21swapper/421:14:544
111391230,0ptp4l0-21swapper/419:39:074
111391230,0ptp4l0-21swapper/419:17:254
111391230,0ptp4l0-21swapper/400:35:144
111391230,0ptp4l0-21swapper/322:00:163
111391230,0ptp4l0-21swapper/321:16:273
111391230,0ptp4l0-21swapper/320:09:323
111391230,0ptp4l0-21swapper/123:52:131
111391230,0ptp4l0-21swapper/123:35:001
111391230,0ptp4l0-21swapper/122:35:141
111391230,0ptp4l0-21swapper/122:31:501
111391230,0ptp4l0-21swapper/121:54:591
111391230,0ptp4l0-21swapper/121:40:131
111391230,0ptp4l0-21swapper/120:55:171
111391230,0ptp4l0-21swapper/120:45:131
111391230,0ptp4l0-21swapper/120:45:001
111391230,0ptp4l0-21swapper/120:35:111
111391230,0ptp4l0-21swapper/120:30:151
111391230,0ptp4l0-21swapper/120:20:141
111391230,0ptp4l0-21swapper/119:50:181
111391230,0ptp4l0-21swapper/119:45:131
111391230,0ptp4l0-21swapper/119:35:111
111391230,0ptp4l0-21swapper/119:30:041
111391230,0ptp4l0-21swapper/119:10:151
111391230,0ptp4l0-21swapper/023:06:290
111391230,0ptp4l0-21swapper/023:00:450
111391230,0ptp4l0-21swapper/022:20:120
111391230,0ptp4l0-21swapper/022:15:150
111391230,0ptp4l0-21swapper/022:10:190
111391230,0ptp4l0-21swapper/021:45:110
111391230,0ptp4l0-21swapper/021:25:130
111391230,0ptp4l0-21swapper/020:30:180
111391230,0ptp4l0-21swapper/019:55:110
111391230,0ptp4l0-21swapper/019:25:180
111391230,0ptp4l0-21swapper/000:35:140
111391230,0ptp4l0-21swapper/000:28:060
111391230,0ptp4l0-21swapper/000:20:160
111391220,0ptp4l25-21ksoftirqd/119:15:141
111391220,0ptp4l0-21swapper/623:49:546
111391220,0ptp4l0-21swapper/623:20:016
111391220,0ptp4l0-21swapper/622:24:566
111391220,0ptp4l0-21swapper/621:31:486
111391220,0ptp4l0-21swapper/619:43:236
111391220,0ptp4l0-21swapper/600:03:186
111391220,0ptp4l0-21swapper/522:56:315
111391220,0ptp4l0-21swapper/522:15:105
111391220,0ptp4l0-21swapper/521:55:015
111391220,0ptp4l0-21swapper/520:50:115
111391220,0ptp4l0-21swapper/520:15:175
111391220,0ptp4l0-21swapper/519:20:205
111391220,0ptp4l0-21swapper/519:10:135
111391220,0ptp4l0-21swapper/423:59:564
111391220,0ptp4l0-21swapper/423:36:554
111391220,0ptp4l0-21swapper/423:26:424
111391220,0ptp4l0-21swapper/423:24:394
111391220,0ptp4l0-21swapper/423:05:334
111391220,0ptp4l0-21swapper/422:55:144
111391220,0ptp4l0-21swapper/422:35:244
111391220,0ptp4l0-21swapper/422:25:514
111391220,0ptp4l0-21swapper/421:00:154
111391220,0ptp4l0-21swapper/419:20:144
111391220,0ptp4l0-21swapper/400:10:124
111391220,0ptp4l0-21swapper/321:57:393
111391220,0ptp4l0-21swapper/223:15:012
111391220,0ptp4l0-21swapper/222:29:232
111391220,0ptp4l0-21swapper/123:55:141
111391220,0ptp4l0-21swapper/121:55:161
111391220,0ptp4l0-21swapper/120:10:201
111391220,0ptp4l0-21swapper/120:10:191
111391220,0ptp4l0-21swapper/120:05:141
111391220,0ptp4l0-21swapper/100:15:111
111391220,0ptp4l0-21swapper/100:05:121
111391220,0ptp4l0-21swapper/023:55:140
111391220,0ptp4l0-21swapper/023:45:130
111391220,0ptp4l0-21swapper/023:26:040
111391220,0ptp4l0-21swapper/023:21:310
111391220,0ptp4l0-21swapper/023:15:110
111391220,0ptp4l0-21swapper/022:45:140
111391220,0ptp4l0-21swapper/022:41:510
111391220,0ptp4l0-21swapper/022:03:580
111391220,0ptp4l0-21swapper/021:00:160
111391220,0ptp4l0-21swapper/019:20:130
111391220,0ptp4l0-21swapper/000:31:580
111391210,0ptp4l0-21swapper/723:58:507
111391210,0ptp4l0-21swapper/723:28:347
111391210,0ptp4l0-21swapper/721:43:377
111391210,0ptp4l0-21swapper/721:16:457
111391210,0ptp4l0-21swapper/623:10:156
111391210,0ptp4l0-21swapper/520:25:145
111391210,0ptp4l0-21swapper/520:11:405
111391210,0ptp4l0-21swapper/520:11:405
111391210,0ptp4l0-21swapper/519:55:175
111391210,0ptp4l0-21swapper/422:00:544
111391210,0ptp4l0-21swapper/421:51:024
111391210,0ptp4l0-21swapper/421:41:234
111391210,0ptp4l0-21swapper/421:05:134
111391210,0ptp4l0-21swapper/419:25:134
111391210,0ptp4l0-21swapper/400:29:444
111391210,0ptp4l0-21swapper/400:22:184
111391210,0ptp4l0-21swapper/400:19:054
111391210,0ptp4l0-21swapper/400:09:064
111391210,0ptp4l0-21swapper/323:28:293
111391210,0ptp4l0-21swapper/321:54:463
111391210,0ptp4l0-21swapper/321:43:373
111391210,0ptp4l0-21swapper/321:34:003
111391210,0ptp4l0-21swapper/320:10:133
111391210,0ptp4l0-21swapper/320:10:123
111391210,0ptp4l0-21swapper/319:52:573
111391210,0ptp4l0-21swapper/223:30:552
111391210,0ptp4l0-21swapper/223:21:052
111391210,0ptp4l0-21swapper/223:10:182
111391210,0ptp4l0-21swapper/200:21:452
111391210,0ptp4l0-21swapper/121:00:111
111391210,0ptp4l0-21swapper/023:50:070
111391210,0ptp4l0-21swapper/023:43:210
111391210,0ptp4l0-21swapper/023:37:560
111391210,0ptp4l0-21swapper/022:30:180
111391210,0ptp4l0-21swapper/022:26:060
111391210,0ptp4l0-21swapper/021:55:210
111391210,0ptp4l0-21swapper/021:54:590
111391210,0ptp4l0-21swapper/021:20:020
111391210,0ptp4l0-21swapper/021:15:170
111391210,0ptp4l0-21swapper/021:11:000
111391210,0ptp4l0-21swapper/020:35:130
111391210,0ptp4l0-21swapper/020:25:150
111391210,0ptp4l0-21swapper/000:07:430
111391200,0ptp4l0-21swapper/622:30:516
111391200,0ptp4l0-21swapper/600:26:136
111391200,0ptp4l0-21swapper/423:50:114
111391200,0ptp4l0-21swapper/423:30:164
111391200,0ptp4l0-21swapper/422:51:314
111391200,0ptp4l0-21swapper/422:51:304
111391200,0ptp4l0-21swapper/422:46:414
111391200,0ptp4l0-21swapper/422:31:184
111391200,0ptp4l0-21swapper/420:59:034
111391200,0ptp4l0-21swapper/419:53:504
111391200,0ptp4l0-21swapper/419:10:114
111391200,0ptp4l0-21swapper/400:30:114
111391200,0ptp4l0-21swapper/322:38:243
111391200,0ptp4l0-21swapper/223:02:582
111391200,0ptp4l0-21swapper/222:30:532
111391200,0ptp4l0-21swapper/221:31:522
111391200,0ptp4l0-21swapper/220:12:382
111391200,0ptp4l0-21swapper/220:12:382
111391200,0ptp4l0-21swapper/200:26:132
111391200,0ptp4l0-21swapper/120:05:011
111391200,0ptp4l0-21swapper/022:51:380
111391200,0ptp4l0-21swapper/022:51:380
111391200,0ptp4l0-21swapper/021:43:150
111391200,0ptp4l0-21swapper/019:35:220
111391200,0ptp4l0-21swapper/019:10:180
111391200,0ptp4l0-21swapper/000:19:360
111391190,0ptp4l0-21swapper/722:38:237
111391190,0ptp4l0-21swapper/721:54:497
111391190,0ptp4l0-21swapper/622:44:166
111391190,0ptp4l0-21swapper/622:27:586
111391190,0ptp4l0-21swapper/422:15:504
111391190,0ptp4l0-21swapper/421:56:254
111391190,0ptp4l0-21swapper/420:30:184
111391190,0ptp4l0-21swapper/420:25:234
111391190,0ptp4l0-21swapper/420:02:374
111391190,0ptp4l0-21swapper/323:55:433
111391190,0ptp4l0-21swapper/319:59:263
111391190,0ptp4l0-21swapper/219:51:222
111391190,0ptp4l0-21swapper/200:03:152
111391180,0ptp4l0-21swapper/623:50:586
111391180,0ptp4l0-21swapper/623:15:036
111391180,0ptp4l0-21swapper/621:27:106
111391180,0ptp4l0-21swapper/620:12:336
111391180,0ptp4l0-21swapper/620:12:326
111391180,0ptp4l0-21swapper/423:12:234
111391180,0ptp4l0-21swapper/422:12:074
111391180,0ptp4l0-21swapper/223:51:002
111391180,0ptp4l0-21swapper/219:12:392
111391180,0ptp4l0-21swapper/020:59:440
111391180,0ptp4l0-21swapper/020:47:070
111391180,0ptp4l0-21swapper/019:30:100
111391170,0ptp4l0-21swapper/622:50:406
111391170,0ptp4l0-21swapper/622:50:406
111391170,0ptp4l0-21swapper/619:12:446
111391170,0ptp4l0-21swapper/600:21:466
111391170,0ptp4l0-21swapper/423:15:334
111391170,0ptp4l0-21swapper/420:23:304
111391170,0ptp4l0-21swapper/420:05:114
111391160,0ptp4l31518-21kworker/2:122:44:142
111391160,0ptp4l0-21swapper/720:08:307
111391160,0ptp4l0-21swapper/719:12:187
111391160,0ptp4l0-21swapper/419:55:224
111391160,0ptp4l0-21swapper/419:30:594
111391160,0ptp4l0-21swapper/021:05:110
111391160,0ptp4l0-21swapper/019:51:390
111391160,0ptp4l0-21swapper/019:49:340
10114991611,1cyclictest13127-21munin-run23:00:017
85522150,0sleep20-21swapper/223:39:552
111391150,0ptp4l33-21ksoftirqd/219:43:222
111391150,0ptp4l0-21swapper/719:59:387
111391150,0ptp4l0-21swapper/719:52:527
111391150,0ptp4l0-21swapper/623:44:456
111391150,0ptp4l0-21swapper/620:58:036
111391150,0ptp4l0-21swapper/620:38:516
111391150,0ptp4l0-21swapper/619:51:236
111391150,0ptp4l0-21swapper/619:17:336
111391150,0ptp4l0-21swapper/420:54:194
111391150,0ptp4l0-21swapper/420:48:154
111391150,0ptp4l0-21swapper/420:40:084
111391150,0ptp4l0-21swapper/420:35:344
111391150,0ptp4l0-21swapper/420:19:374
111391150,0ptp4l0-21swapper/420:12:184
111391150,0ptp4l0-21swapper/420:12:174
111391150,0ptp4l0-21swapper/419:46:434
111391150,0ptp4l0-21swapper/319:12:033
111391150,0ptp4l0-21swapper/223:55:092
111391150,0ptp4l0-21swapper/223:49:532
111391150,0ptp4l0-21swapper/223:25:352
111391150,0ptp4l0-21swapper/222:50:392
111391150,0ptp4l0-21swapper/222:50:382
111391150,0ptp4l0-21swapper/221:50:292
111391150,0ptp4l0-21swapper/220:35:572
111391150,0ptp4l0-21swapper/020:52:030
111391150,0ptp4l0-21swapper/020:43:440
111391150,0ptp4l0-21swapper/020:22:410
111391150,0ptp4l0-21swapper/020:17:150
111391150,0ptp4l0-21swapper/020:12:160
111391150,0ptp4l0-21swapper/020:12:150
111391150,0ptp4l0-21swapper/020:02:000
111391140,0ptp4l0-21swapper/623:30:576
111391140,0ptp4l0-21swapper/621:00:256
111391140,0ptp4l0-21swapper/221:27:102
111391140,0ptp4l0-21swapper/220:58:002
111391140,0ptp4l0-21swapper/219:17:312
1011499110,10cyclictest0-21swapper/700:33:057
1010699117,3cyclictest29110-21munin-run21:49:596
1010699110,10cyclictest0-21swapper/622:19:416
1008599110,1cyclictest22292-21latency_hist21:39:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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