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2026-09-08 - 08:14

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 Sep 08, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391740,6ptp4l0-21swapper/519:05:135
201722710,0sleep00-21swapper/020:15:000
111391610,5ptp4l0-21swapper/419:09:074
2170426049,6sleep70-21swapper/719:07:407
1881916049,6phc2sys0-21swapper/219:05:302
111391600,29ptp4l0-21swapper/119:07:581
111391600,29ptp4l0-21swapper/019:07:330
186542560,0sleep10-21swapper/100:24:541
1881915433,6phc2sys0-21swapper/619:09:546
2173624837,7sleep30-21swapper/319:08:093
111391300,0ptp4l12913-21diskmemload21:35:144
111391300,0ptp4l0-21swapper/522:05:215
111391300,0ptp4l0-21swapper/023:00:180
111391290,3ptp4l0-21swapper/121:47:061
111391290,0ptp4l0-21swapper/521:10:375
111391290,0ptp4l0-21swapper/421:05:244
111391290,0ptp4l0-21swapper/023:34:510
111391290,0ptp4l0-21swapper/023:11:490
111391290,0ptp4l0-21swapper/022:20:160
111391290,0ptp4l0-21swapper/021:17:230
111391280,1ptp4l2220699cyclictest00:39:115
111391280,0ptp4l0-21swapper/523:00:425
111391280,0ptp4l0-21swapper/520:00:185
111391280,0ptp4l0-21swapper/423:52:374
111391280,0ptp4l0-21swapper/423:10:234
111391280,0ptp4l0-21swapper/422:30:554
111391280,0ptp4l0-21swapper/421:21:524
111391280,0ptp4l0-21swapper/421:18:114
111391280,0ptp4l0-21swapper/319:35:123
111391280,0ptp4l0-21swapper/121:10:351
111391280,0ptp4l0-21swapper/023:23:230
111391280,0ptp4l0-21swapper/022:17:210
111391280,0ptp4l0-21swapper/020:20:120
111391280,0ptp4l0-21swapper/000:14:590
111391270,0ptp4l0-21swapper/722:37:577
111391270,0ptp4l0-21swapper/421:42:554
111391270,0ptp4l0-21swapper/421:33:314
111391270,0ptp4l0-21swapper/420:13:184
111391270,0ptp4l0-21swapper/419:50:134
111391270,0ptp4l0-21swapper/400:03:334
111391270,0ptp4l0-21swapper/322:36:333
111391270,0ptp4l0-21swapper/321:32:463
111391270,0ptp4l0-21swapper/000:20:160
111391260,0ptp4l0-21swapper/721:32:557
111391260,0ptp4l0-21swapper/523:36:105
111391260,0ptp4l0-21swapper/522:19:025
111391260,0ptp4l0-21swapper/520:30:135
111391260,0ptp4l0-21swapper/423:38:094
111391260,0ptp4l0-21swapper/422:53:314
111391260,0ptp4l0-21swapper/422:45:074
111391260,0ptp4l0-21swapper/422:38:544
111391260,0ptp4l0-21swapper/421:28:514
111391260,0ptp4l0-21swapper/420:44:594
111391260,0ptp4l0-21swapper/123:17:561
111391260,0ptp4l0-21swapper/121:37:371
111391260,0ptp4l0-21swapper/100:18:231
111391260,0ptp4l0-21swapper/023:37:100
111391260,0ptp4l0-21swapper/021:51:090
111391260,0ptp4l0-21swapper/021:29:430
111391260,0ptp4l0-21swapper/000:28:480
111391250,3ptp4l241ktimersoftd/120:27:161
111391250,1ptp4l32385-21df19:30:134
111391250,1ptp4l32385-21df19:30:124
111391250,0ptp4l0-21swapper/523:30:155
111391250,0ptp4l0-21swapper/522:46:185
111391250,0ptp4l0-21swapper/423:32:204
111391250,0ptp4l0-21swapper/422:42:534
111391250,0ptp4l0-21swapper/422:26:514
111391250,0ptp4l0-21swapper/419:55:174
111391250,0ptp4l0-21swapper/400:21:514
111391250,0ptp4l0-21swapper/121:53:331
111391250,0ptp4l0-21swapper/023:05:070
111391250,0ptp4l0-21swapper/022:14:590
111391250,0ptp4l0-21swapper/022:14:580
111391250,0ptp4l0-21swapper/000:05:180
111391240,1ptp4l27157-21latency_hist19:20:010
111391240,1ptp4l24624-21latency_hist20:25:015
111391240,1ptp4l23733-21timerwakeupswit19:10:221
111391240,1ptp4l15156-21diskstats22:45:130
111391240,1ptp4l13518-21cpuspeed_turbos21:10:124
111391240,0ptp4l0-21swapper/621:15:166
111391240,0ptp4l0-21swapper/520:40:155
111391240,0ptp4l0-21swapper/500:01:175
111391240,0ptp4l0-21swapper/423:40:434
111391240,0ptp4l0-21swapper/423:25:154
111391240,0ptp4l0-21swapper/423:01:584
111391240,0ptp4l0-21swapper/422:58:434
111391240,0ptp4l0-21swapper/422:16:494
111391240,0ptp4l0-21swapper/422:10:004
111391240,0ptp4l0-21swapper/400:35:154
111391240,0ptp4l0-21swapper/400:30:384
111391240,0ptp4l0-21swapper/400:27:064
111391240,0ptp4l0-21swapper/123:22:131
111391240,0ptp4l0-21swapper/121:43:441
111391240,0ptp4l0-21swapper/023:51:320
111391240,0ptp4l0-21swapper/023:48:490
111391240,0ptp4l0-21swapper/022:00:130
111391240,0ptp4l0-21swapper/021:14:510
111391240,0ptp4l0-21swapper/021:05:180
111391240,0ptp4l0-21swapper/020:55:190
111391240,0ptp4l0-21swapper/020:15:170
111391240,0ptp4l0-21swapper/020:05:210
111391240,0ptp4l0-21swapper/019:58:290
22200992313,9cyclictest29666-21/usr/sbin/munin23:05:174
111391230,1ptp4l4792-21if_err_virbr019:40:134
111391230,1ptp4l3581-21smartctl23:15:134
111391230,1ptp4l31459-21cut23:55:152
111391230,1ptp4l29857-21diskstats20:35:134
111391230,1ptp4l1068-21runrttasks21:19:091
111391230,0ptp4l0-21swapper/623:55:156
111391230,0ptp4l0-21swapper/523:59:495
111391230,0ptp4l0-21swapper/523:29:475
111391230,0ptp4l0-21swapper/522:55:165
111391230,0ptp4l0-21swapper/522:03:315
111391230,0ptp4l0-21swapper/521:45:215
111391230,0ptp4l0-21swapper/519:35:555
111391230,0ptp4l0-21swapper/500:34:515
111391230,0ptp4l0-21swapper/500:17:565
111391230,0ptp4l0-21swapper/423:45:194
111391230,0ptp4l0-21swapper/422:20:114
111391230,0ptp4l0-21swapper/421:50:194
111391230,0ptp4l0-21swapper/421:49:394
111391230,0ptp4l0-21swapper/420:55:034
111391230,0ptp4l0-21swapper/420:50:184
111391230,0ptp4l0-21swapper/420:20:154
111391230,0ptp4l0-21swapper/419:20:124
111391230,0ptp4l0-21swapper/419:10:124
111391230,0ptp4l0-21swapper/400:15:134
111391230,0ptp4l0-21swapper/400:10:204
111391230,0ptp4l0-21swapper/400:06:134
111391230,0ptp4l0-21swapper/122:04:231
111391230,0ptp4l0-21swapper/120:40:171
111391230,0ptp4l0-21swapper/120:30:121
111391230,0ptp4l0-21swapper/120:00:191
111391230,0ptp4l0-21swapper/100:35:001
111391230,0ptp4l0-21swapper/100:05:151
111391230,0ptp4l0-21swapper/022:25:110
111391230,0ptp4l0-21swapper/021:30:200
111391230,0ptp4l0-21swapper/021:21:410
111391230,0ptp4l0-21swapper/021:00:210
111391230,0ptp4l0-21swapper/020:50:110
111391230,0ptp4l0-21swapper/020:45:110
111391230,0ptp4l0-21swapper/019:40:100
111391230,0ptp4l0-21swapper/019:32:510
111391230,0ptp4l0-21swapper/019:32:500
111391230,0ptp4l0-21swapper/000:15:140
225602220,1sleep722563-21cpuspeed_turbos19:10:127
111391220,5ptp4l9719-21sh23:24:493
111391220,1ptp4l9-21ksoftirqd/021:42:130
111391220,0ptp4l0-21swapper/723:24:417
111391220,0ptp4l0-21swapper/721:22:337
111391220,0ptp4l0-21swapper/719:35:147
111391220,0ptp4l0-21swapper/700:04:257
111391220,0ptp4l0-21swapper/523:50:195
111391220,0ptp4l0-21swapper/523:07:155
111391220,0ptp4l0-21swapper/521:21:335
111391220,0ptp4l0-21swapper/520:40:005
111391220,0ptp4l0-21swapper/520:25:135
111391220,0ptp4l0-21swapper/519:30:195
111391220,0ptp4l0-21swapper/519:30:195
111391220,0ptp4l0-21swapper/519:25:125
111391220,0ptp4l0-21swapper/519:10:205
111391220,0ptp4l0-21swapper/500:28:055
111391220,0ptp4l0-21swapper/500:25:005
111391220,0ptp4l0-21swapper/500:05:145
111391220,0ptp4l0-21swapper/423:55:134
111391220,0ptp4l0-21swapper/423:20:114
111391220,0ptp4l0-21swapper/422:10:224
111391220,0ptp4l0-21swapper/422:10:224
111391220,0ptp4l0-21swapper/422:00:094
111391220,0ptp4l0-21swapper/421:55:204
111391220,0ptp4l0-21swapper/420:25:444
111391220,0ptp4l0-21swapper/420:15:124
111391220,0ptp4l0-21swapper/420:05:214
111391220,0ptp4l0-21swapper/419:45:174
111391220,0ptp4l0-21swapper/419:15:014
111391220,0ptp4l0-21swapper/223:50:232
111391220,0ptp4l0-21swapper/221:15:142
111391220,0ptp4l0-21swapper/219:30:132
111391220,0ptp4l0-21swapper/219:30:122
111391220,0ptp4l0-21swapper/123:46:131
111391220,0ptp4l0-21swapper/123:40:191
111391220,0ptp4l0-21swapper/123:30:131
111391220,0ptp4l0-21swapper/123:28:571
111391220,0ptp4l0-21swapper/122:55:201
111391220,0ptp4l0-21swapper/122:46:131
111391220,0ptp4l0-21swapper/122:15:151
111391220,0ptp4l0-21swapper/122:10:351
111391220,0ptp4l0-21swapper/122:10:341
111391220,0ptp4l0-21swapper/122:05:151
111391220,0ptp4l0-21swapper/121:56:351
111391220,0ptp4l0-21swapper/121:30:091
111391220,0ptp4l0-21swapper/120:05:161
111391220,0ptp4l0-21swapper/119:30:181
111391220,0ptp4l0-21swapper/119:30:181
111391220,0ptp4l0-21swapper/119:25:171
111391220,0ptp4l0-21swapper/119:25:011
111391220,0ptp4l0-21swapper/100:36:521
111391220,0ptp4l0-21swapper/100:25:201
111391220,0ptp4l0-21swapper/100:00:121
111391220,0ptp4l0-21swapper/023:55:000
111391220,0ptp4l0-21swapper/023:25:170
111391220,0ptp4l0-21swapper/023:18:570
111391220,0ptp4l0-21swapper/022:58:170
111391220,0ptp4l0-21swapper/022:50:160
111391220,0ptp4l0-21swapper/022:40:190
111391220,0ptp4l0-21swapper/022:30:200
111391220,0ptp4l0-21swapper/022:05:310
111391220,0ptp4l0-21swapper/021:55:150
111391220,0ptp4l0-21swapper/021:35:020
111391220,0ptp4l0-21swapper/020:35:180
111391220,0ptp4l0-21swapper/020:00:110
111391220,0ptp4l0-21swapper/019:50:150
111391220,0ptp4l0-21swapper/019:49:520
111391220,0ptp4l0-21swapper/019:20:090
111391220,0ptp4l0-21swapper/019:10:130
111391220,0ptp4l0-21swapper/000:35:130
111391220,0ptp4l0-21swapper/000:30:180
111391220,0ptp4l0-21swapper/000:02:380
111391210,0ptp4l12913-21diskmemload23:40:030
111391210,0ptp4l0-21swapper/723:40:097
111391210,0ptp4l0-21swapper/621:24:596
111391210,0ptp4l0-21swapper/621:00:006
111391210,0ptp4l0-21swapper/523:45:525
111391210,0ptp4l0-21swapper/523:15:395
111391210,0ptp4l0-21swapper/522:54:555
111391210,0ptp4l0-21swapper/522:32:475
111391210,0ptp4l0-21swapper/522:22:535
111391210,0ptp4l0-21swapper/522:11:295
111391210,0ptp4l0-21swapper/522:11:295
111391210,0ptp4l0-21swapper/521:58:145
111391210,0ptp4l0-21swapper/521:51:515
111391210,0ptp4l0-21swapper/521:43:455
111391210,0ptp4l0-21swapper/521:37:325
111391210,0ptp4l0-21swapper/521:26:415
111391210,0ptp4l0-21swapper/521:18:365
111391210,0ptp4l0-21swapper/521:04:385
111391210,0ptp4l0-21swapper/520:05:165
111391210,0ptp4l0-21swapper/421:00:164
111391210,0ptp4l0-21swapper/420:44:324
111391210,0ptp4l0-21swapper/420:00:134
111391210,0ptp4l0-21swapper/419:26:314
111391210,0ptp4l0-21swapper/323:43:383
111391210,0ptp4l0-21swapper/321:22:333
111391210,0ptp4l0-21swapper/300:04:373
111391210,0ptp4l0-21swapper/219:55:302
111391210,0ptp4l0-21swapper/123:50:191
111391210,0ptp4l0-21swapper/123:36:061
111391210,0ptp4l0-21swapper/123:05:471
111391210,0ptp4l0-21swapper/123:03:281
111391210,0ptp4l0-21swapper/121:26:411
111391210,0ptp4l0-21swapper/121:20:501
111391210,0ptp4l0-21swapper/119:39:001
111391210,0ptp4l0-21swapper/100:12:451
111391210,0ptp4l0-21swapper/022:35:550
111391210,0ptp4l0-21swapper/021:48:200
111391210,0ptp4l0-21swapper/019:25:200
111391200,0ptp4l0-21swapper/623:48:286
111391200,0ptp4l0-21swapper/622:38:316
111391200,0ptp4l0-21swapper/622:27:526
111391200,0ptp4l0-21swapper/600:31:536
111391200,0ptp4l0-21swapper/523:20:595
111391200,0ptp4l0-21swapper/522:39:445
111391200,0ptp4l0-21swapper/520:58:175
111391200,0ptp4l0-21swapper/519:41:315
111391200,0ptp4l0-21swapper/500:12:455
111391200,0ptp4l0-21swapper/222:55:412
111391200,0ptp4l0-21swapper/222:38:302
111391200,0ptp4l0-21swapper/222:15:382
111391200,0ptp4l0-21swapper/123:59:511
111391200,0ptp4l0-21swapper/122:50:071
111391200,0ptp4l0-21swapper/122:34:311
111391200,0ptp4l0-21swapper/120:14:041
111391200,0ptp4l0-21swapper/119:42:311
111391200,0ptp4l0-21swapper/020:34:300
111391200,0ptp4l0-21swapper/020:29:160
111391200,0ptp4l0-21swapper/019:35:230
111391190,0ptp4l0-21swapper/719:58:167
111391190,0ptp4l0-21swapper/620:28:306
111391190,0ptp4l0-21swapper/523:40:215
111391190,0ptp4l0-21swapper/522:25:045
111391190,0ptp4l0-21swapper/521:31:245
111391190,0ptp4l0-21swapper/223:48:302
111391190,0ptp4l0-21swapper/221:26:302
111391190,0ptp4l0-21swapper/220:34:522
111391190,0ptp4l0-21swapper/200:31:562
111391190,0ptp4l0-21swapper/121:07:311
111391190,0ptp4l0-21swapper/121:03:311
111391190,0ptp4l0-21swapper/120:36:231
111391190,0ptp4l0-21swapper/120:23:171
111391190,0ptp4l0-21swapper/119:46:371
111391190,0ptp4l0-21swapper/020:44:550
111391180,0ptp4l12913-21diskmemload22:38:471
111391180,0ptp4l0-21swapper/200:11:442
111391180,0ptp4l0-21swapper/123:10:501
111391180,0ptp4l0-21swapper/122:43:041
111391180,0ptp4l0-21swapper/122:28:051
111391180,0ptp4l0-21swapper/120:51:311
111391180,0ptp4l0-21swapper/120:17:321
111391170,0ptp4l0-21swapper/522:43:045
111391170,0ptp4l0-21swapper/520:17:155
111391170,0ptp4l0-21swapper/220:59:572
111391170,0ptp4l0-21swapper/220:13:532
111391170,0ptp4l0-21swapper/219:39:232
111391170,0ptp4l0-21swapper/200:09:092
111391170,0ptp4l0-21swapper/122:22:511
22212991614,1cyclictest0-21swapper/623:00:196
111391160,0ptp4l0-21swapper/720:53:307
111391160,0ptp4l0-21swapper/622:55:386
111391160,0ptp4l0-21swapper/520:11:165
111391160,0ptp4l0-21swapper/519:23:205
111391160,0ptp4l0-21swapper/420:33:594
111391160,0ptp4l0-21swapper/320:26:173
111391160,0ptp4l0-21swapper/222:52:182
111391160,0ptp4l0-21swapper/222:27:502
111391160,0ptp4l0-21swapper/119:17:541
22224991513,1cyclictest0-21swapper/721:15:237
111391150,0ptp4l0-21swapper/720:47:437
111391150,0ptp4l0-21swapper/720:26:117
111391150,0ptp4l0-21swapper/719:34:517
111391150,0ptp4l0-21swapper/719:34:507
111391150,0ptp4l0-21swapper/622:52:156
111391150,0ptp4l0-21swapper/622:15:406
111391150,0ptp4l0-21swapper/620:47:126
111391150,0ptp4l0-21swapper/620:32:526
111391150,0ptp4l0-21swapper/619:30:096
111391150,0ptp4l0-21swapper/619:30:086
111391150,0ptp4l0-21swapper/619:23:356
111391150,0ptp4l0-21swapper/619:13:146
111391150,0ptp4l0-21swapper/600:11:426
111391150,0ptp4l0-21swapper/521:06:135
111391150,0ptp4l0-21swapper/520:51:185
111391150,0ptp4l0-21swapper/520:45:465
111391150,0ptp4l0-21swapper/519:57:005
111391150,0ptp4l0-21swapper/519:52:235
111391150,0ptp4l0-21swapper/519:46:305
111391150,0ptp4l0-21swapper/519:17:105
111391150,0ptp4l0-21swapper/419:39:534
111391150,0ptp4l0-21swapper/320:53:303
111391150,0ptp4l0-21swapper/319:57:473
111391150,0ptp4l0-21swapper/319:34:493
111391150,0ptp4l0-21swapper/319:34:493
111391150,0ptp4l0-21swapper/220:47:132
111391150,0ptp4l0-21swapper/220:26:322
111391150,0ptp4l0-21swapper/219:13:152
111391150,0ptp4l0-21swapper/120:55:451
111391150,0ptp4l0-21swapper/120:45:461
111391150,0ptp4l0-21swapper/119:55:371
111391150,0ptp4l0-21swapper/119:52:201
111391140,0ptp4l0-21swapper/620:59:456
111391140,0ptp4l0-21swapper/620:13:526
111391140,0ptp4l0-21swapper/619:55:256
111391140,0ptp4l0-21swapper/619:49:336
111391140,0ptp4l0-21swapper/619:39:076
111391140,0ptp4l0-21swapper/600:09:096
111391140,0ptp4l0-21swapper/320:47:393
111391140,0ptp4l0-21swapper/220:17:562
111391140,0ptp4l0-21swapper/219:49:312
111391140,0ptp4l0-21swapper/219:22:062
2222499113,1cyclictest0-21swapper/723:31:077
2222499110,10cyclictest0-21swapper/723:00:097
2221299119,1cyclictest0-21swapper/622:11:376
2221299119,1cyclictest0-21swapper/622:11:376
2222499109,0cyclictest0-21swapper/723:57:127
2222499109,0cyclictest0-21swapper/723:10:417
2222499109,0cyclictest0-21swapper/721:53:417
2222499109,0cyclictest0-21swapper/700:27:517
2222499109,0cyclictest0-21swapper/700:17:387
2222499100,9cyclictest0-21swapper/722:16:477
2222499100,9cyclictest0-21swapper/700:32:537
2222499100,9cyclictest0-21swapper/700:12:367
2222499100,0cyclictest0-21swapper/723:52:107
2222499100,0cyclictest0-21swapper/722:07:307
2221299100,9cyclictest0-21swapper/621:10:356
2218599100,0cyclictest0-21swapper/223:05:142
222249998,0cyclictest0-21swapper/723:26:247
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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