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2026-08-08 - 13:22

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 Aug 08, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391600,29ptp4l0-21swapper/219:08:422
111391600,29ptp4l0-21swapper/219:08:412
323102560,0sleep31068-21runrttasks20:45:203
1881915634,7phc2sys0-21swapper/019:06:390
1881915634,7phc2sys0-21swapper/019:06:380
1862125634,7sleep10-21swapper/119:09:071
1862125634,7sleep10-21swapper/119:09:071
111391560,5ptp4l0-21swapper/419:06:474
111391560,5ptp4l0-21swapper/419:06:464
1836925241,6sleep70-21swapper/719:06:027
1836925241,6sleep70-21swapper/719:06:017
111391490,6ptp4l0-21swapper/619:08:426
111391490,6ptp4l0-21swapper/619:08:426
1847024635,6sleep50-21swapper/519:07:125
1847024635,6sleep50-21swapper/519:07:115
1841324635,7sleep30-21swapper/319:06:303
1841324635,7sleep30-21swapper/319:06:293
111391330,3ptp4l0-21swapper/522:30:125
111391330,0ptp4l0-21swapper/421:05:124
111391330,0ptp4l0-21swapper/100:28:161
111391320,0ptp4l0-21swapper/523:05:115
111391320,0ptp4l0-21swapper/520:35:005
111391320,0ptp4l0-21swapper/423:10:174
111391320,0ptp4l0-21swapper/422:41:294
111391320,0ptp4l0-21swapper/421:46:174
111391320,0ptp4l0-21swapper/421:29:074
18997993129,1cyclictest18221-21kworker/u16:023:31:074
111391310,0ptp4l0-21swapper/423:18:454
111391310,0ptp4l0-21swapper/123:06:571
111391310,0ptp4l0-21swapper/121:42:341
111391310,0ptp4l0-21swapper/121:42:331
111391310,0ptp4l0-21swapper/120:15:171
111391310,0ptp4l0-21swapper/100:20:201
111391310,0ptp4l0-21swapper/100:20:191
111391300,2ptp4l0-21swapper/500:27:415
111391300,2ptp4l0-21swapper/121:32:191
111391300,0ptp4l0-21swapper/700:38:247
111391300,0ptp4l0-21swapper/523:34:185
111391300,0ptp4l0-21swapper/423:56:114
111391300,0ptp4l0-21swapper/423:48:184
111391300,0ptp4l0-21swapper/423:37:484
111391300,0ptp4l0-21swapper/421:39:244
111391300,0ptp4l0-21swapper/421:15:554
111391300,0ptp4l0-21swapper/421:14:014
111391300,0ptp4l0-21swapper/400:32:314
111391300,0ptp4l0-21swapper/400:25:164
111391300,0ptp4l0-21swapper/400:00:134
111391290,0ptp4l0-21swapper/523:35:185
111391290,0ptp4l0-21swapper/522:03:055
111391290,0ptp4l0-21swapper/423:24:154
111391290,0ptp4l0-21swapper/423:02:394
111391290,0ptp4l0-21swapper/422:09:004
111391290,0ptp4l0-21swapper/422:01:104
111391290,0ptp4l0-21swapper/421:53:364
111391290,0ptp4l0-21swapper/421:44:364
111391290,0ptp4l0-21swapper/421:44:354
111391290,0ptp4l0-21swapper/420:20:114
111391290,0ptp4l0-21swapper/420:00:164
111391290,0ptp4l0-21swapper/400:35:224
111391290,0ptp4l0-21swapper/400:18:444
111391290,0ptp4l0-21swapper/400:18:434
111391290,0ptp4l0-21swapper/400:12:584
111391290,0ptp4l0-21swapper/400:08:154
111391290,0ptp4l0-21swapper/200:08:212
111391290,0ptp4l0-21swapper/122:04:421
111391290,0ptp4l0-21swapper/100:32:001
111391290,0ptp4l0-21swapper/000:08:030
111391280,3ptp4l0-21swapper/523:12:045
111391280,0ptp4l0-21swapper/522:49:035
111391280,0ptp4l0-21swapper/522:05:335
111391280,0ptp4l0-21swapper/500:24:125
111391280,0ptp4l0-21swapper/500:24:125
111391280,0ptp4l0-21swapper/422:35:124
111391280,0ptp4l0-21swapper/422:24:374
111391280,0ptp4l0-21swapper/421:34:044
111391280,0ptp4l0-21swapper/419:40:164
111391280,0ptp4l0-21swapper/400:20:374
111391280,0ptp4l0-21swapper/400:20:364
111391280,0ptp4l0-21swapper/123:34:021
111391280,0ptp4l0-21swapper/123:11:321
111391280,0ptp4l0-21swapper/121:20:431
111391280,0ptp4l0-21swapper/023:07:460
111391280,0ptp4l0-21swapper/021:51:010
111391270,3ptp4l0-21swapper/422:26:594
111391270,0ptp4l0-21swapper/522:37:485
111391270,0ptp4l0-21swapper/521:43:585
111391270,0ptp4l0-21swapper/521:43:575
111391270,0ptp4l0-21swapper/519:25:195
111391270,0ptp4l0-21swapper/423:51:044
111391270,0ptp4l0-21swapper/422:52:164
111391270,0ptp4l0-21swapper/422:10:184
111391270,0ptp4l0-21swapper/421:55:094
111391270,0ptp4l0-21swapper/123:46:101
111391270,0ptp4l0-21swapper/122:47:411
111391270,0ptp4l0-21swapper/122:38:081
111391270,0ptp4l0-21swapper/100:02:291
111391270,0ptp4l0-21swapper/021:55:590
111391260,0ptp4l0-21swapper/522:17:555
111391260,0ptp4l0-21swapper/521:59:595
111391260,0ptp4l0-21swapper/500:14:205
111391260,0ptp4l0-21swapper/422:47:474
111391260,0ptp4l0-21swapper/422:15:164
111391260,0ptp4l0-21swapper/122:20:451
111391260,0ptp4l0-21swapper/121:15:431
111391260,0ptp4l0-21swapper/023:54:430
111391250,3ptp4l0-21swapper/420:39:164
111391250,1ptp4l23365-21df22:55:110
111391250,1ptp4l1896999cyclictest22:25:030
111391250,0ptp4l12870-21cut20:05:134
111391250,0ptp4l0-21swapper/523:00:395
111391250,0ptp4l0-21swapper/522:40:495
111391250,0ptp4l0-21swapper/521:15:325
111391250,0ptp4l0-21swapper/421:20:084
111391250,0ptp4l0-21swapper/420:18:004
111391250,0ptp4l0-21swapper/419:28:254
111391250,0ptp4l0-21swapper/419:20:154
111391250,0ptp4l0-21swapper/119:59:181
111391250,0ptp4l0-21swapper/119:47:161
111391250,0ptp4l0-21swapper/119:41:481
111391250,0ptp4l0-21swapper/100:15:151
111391250,0ptp4l0-21swapper/100:15:151
111391250,0ptp4l0-21swapper/021:17:400
111391240,3ptp4l0-21swapper/120:06:131
111391240,1ptp4l6281-21users22:30:194
111391240,1ptp4l23965-21munin-run19:20:005
111391240,1ptp4l22321-21df_inode19:15:127
111391240,1ptp4l22101-21latency_hist22:10:010
111391240,1ptp4l19277-21latency_hist22:50:000
111391240,1ptp4l16262-21ps22:45:143
111391240,0ptp4l0-21swapper/722:55:207
111391240,0ptp4l0-21swapper/719:15:017
111391240,0ptp4l0-21swapper/520:47:535
111391240,0ptp4l0-21swapper/419:57:554
111391240,0ptp4l0-21swapper/419:33:554
111391240,0ptp4l0-21swapper/322:45:003
111391240,0ptp4l0-21swapper/320:30:203
111391240,0ptp4l0-21swapper/300:36:403
111391240,0ptp4l0-21swapper/200:30:152
111391240,0ptp4l0-21swapper/123:22:491
111391240,0ptp4l0-21swapper/023:21:150
111391240,0ptp4l0-21swapper/022:41:510
111391240,0ptp4l0-21swapper/022:15:330
111391240,0ptp4l0-21swapper/020:40:140
111391240,0ptp4l0-21swapper/020:39:590
111391240,0ptp4l0-21swapper/000:15:170
111391240,0ptp4l0-21swapper/000:15:160
111391230,1ptp4l5004-21diskstats22:30:111
111391230,1ptp4l30146-21if_virbr0-nic22:20:170
111391230,1ptp4l26692-21hddtemp_smartct20:35:131
111391230,1ptp4l20071-21unixbench_singl22:05:201
111391230,0ptp4l19880-21ssh22:50:130
111391230,0ptp4l0-21swapper/720:50:147
111391230,0ptp4l0-21swapper/623:55:116
111391230,0ptp4l0-21swapper/622:55:146
111391230,0ptp4l0-21swapper/600:30:156
111391230,0ptp4l0-21swapper/523:57:265
111391230,0ptp4l0-21swapper/522:21:165
111391230,0ptp4l0-21swapper/521:50:135
111391230,0ptp4l0-21swapper/521:08:145
111391230,0ptp4l0-21swapper/520:44:595
111391230,0ptp4l0-21swapper/520:35:165
111391230,0ptp4l0-21swapper/520:15:125
111391230,0ptp4l0-21swapper/519:50:125
111391230,0ptp4l0-21swapper/519:41:115
111391230,0ptp4l0-21swapper/519:37:435
111391230,0ptp4l0-21swapper/519:22:345
111391230,0ptp4l0-21swapper/500:15:165
111391230,0ptp4l0-21swapper/500:15:155
111391230,0ptp4l0-21swapper/500:09:235
111391230,0ptp4l0-21swapper/423:40:154
111391230,0ptp4l0-21swapper/420:53:444
111391230,0ptp4l0-21swapper/420:45:354
111391230,0ptp4l0-21swapper/420:42:434
111391230,0ptp4l0-21swapper/420:34:294
111391230,0ptp4l0-21swapper/419:45:474
111391230,0ptp4l0-21swapper/419:35:124
111391230,0ptp4l0-21swapper/419:10:114
111391230,0ptp4l0-21swapper/223:03:542
111391230,0ptp4l0-21swapper/221:31:582
111391230,0ptp4l0-21swapper/200:22:252
111391230,0ptp4l0-21swapper/200:22:252
111391230,0ptp4l0-21swapper/123:43:431
111391230,0ptp4l0-21swapper/123:01:071
111391230,0ptp4l0-21swapper/122:57:441
111391230,0ptp4l0-21swapper/121:45:191
111391230,0ptp4l0-21swapper/121:10:111
111391230,0ptp4l0-21swapper/119:25:111
111391230,0ptp4l0-21swapper/023:45:230
111391230,0ptp4l0-21swapper/023:30:360
111391230,0ptp4l0-21swapper/023:25:430
111391230,0ptp4l0-21swapper/023:10:150
111391230,0ptp4l0-21swapper/023:00:150
111391230,0ptp4l0-21swapper/022:35:120
111391230,0ptp4l0-21swapper/022:30:150
111391230,0ptp4l0-21swapper/022:10:150
111391230,0ptp4l0-21swapper/021:50:000
111391230,0ptp4l0-21swapper/021:35:210
111391230,0ptp4l0-21swapper/021:30:510
111391230,0ptp4l0-21swapper/021:20:120
111391230,0ptp4l0-21swapper/021:10:170
111391230,0ptp4l0-21swapper/021:05:140
111391230,0ptp4l0-21swapper/020:30:120
111391230,0ptp4l0-21swapper/020:20:140
111391230,0ptp4l0-21swapper/020:00:130
111391230,0ptp4l0-21swapper/019:45:130
111391230,0ptp4l0-21swapper/000:35:160
111391230,0ptp4l0-21swapper/000:25:120
111391230,0ptp4l0-21swapper/000:03:430
111391220,0ptp4l0-21swapper/723:35:197
111391220,0ptp4l0-21swapper/722:45:117
111391220,0ptp4l0-21swapper/722:44:517
111391220,0ptp4l0-21swapper/721:24:097
111391220,0ptp4l0-21swapper/720:30:187
111391220,0ptp4l0-21swapper/621:17:206
111391220,0ptp4l0-21swapper/523:46:055
111391220,0ptp4l0-21swapper/523:29:235
111391220,0ptp4l0-21swapper/523:21:465
111391220,0ptp4l0-21swapper/523:16:075
111391220,0ptp4l0-21swapper/522:57:335
111391220,0ptp4l0-21swapper/522:53:485
111391220,0ptp4l0-21swapper/522:14:575
111391220,0ptp4l0-21swapper/521:45:165
111391220,0ptp4l0-21swapper/521:35:135
111391220,0ptp4l0-21swapper/521:31:245
111391220,0ptp4l0-21swapper/521:21:135
111391220,0ptp4l0-21swapper/521:10:105
111391220,0ptp4l0-21swapper/520:12:265
111391220,0ptp4l0-21swapper/519:55:155
111391220,0ptp4l0-21swapper/500:31:455
111391220,0ptp4l0-21swapper/423:25:104
111391220,0ptp4l0-21swapper/423:07:574
111391220,0ptp4l0-21swapper/422:55:054
111391220,0ptp4l0-21swapper/421:00:154
111391220,0ptp4l0-21swapper/420:55:154
111391220,0ptp4l0-21swapper/420:25:194
111391220,0ptp4l0-21swapper/420:10:114
111391220,0ptp4l0-21swapper/419:51:214
111391220,0ptp4l0-21swapper/322:55:183
111391220,0ptp4l0-21swapper/321:24:033
111391220,0ptp4l0-21swapper/319:15:143
111391220,0ptp4l0-21swapper/223:55:152
111391220,0ptp4l0-21swapper/222:55:122
111391220,0ptp4l0-21swapper/221:57:282
111391220,0ptp4l0-21swapper/220:25:142
111391220,0ptp4l0-21swapper/123:35:161
111391220,0ptp4l0-21swapper/123:16:041
111391220,0ptp4l0-21swapper/122:53:491
111391220,0ptp4l0-21swapper/122:40:161
111391220,0ptp4l0-21swapper/122:28:501
111391220,0ptp4l0-21swapper/122:16:321
111391220,0ptp4l0-21swapper/122:14:431
111391220,0ptp4l0-21swapper/121:57:511
111391220,0ptp4l0-21swapper/121:51:181
111391220,0ptp4l0-21swapper/121:35:141
111391220,0ptp4l0-21swapper/121:05:191
111391220,0ptp4l0-21swapper/120:45:161
111391220,0ptp4l0-21swapper/120:20:191
111391220,0ptp4l0-21swapper/120:13:071
111391220,0ptp4l0-21swapper/119:50:201
111391220,0ptp4l0-21swapper/119:20:001
111391220,0ptp4l0-21swapper/100:35:431
111391220,0ptp4l0-21swapper/023:55:220
111391220,0ptp4l0-21swapper/023:40:110
111391220,0ptp4l0-21swapper/023:35:120
111391220,0ptp4l0-21swapper/023:15:010
111391220,0ptp4l0-21swapper/022:01:490
111391220,0ptp4l0-21swapper/021:40:130
111391220,0ptp4l0-21swapper/021:40:120
111391220,0ptp4l0-21swapper/021:25:120
111391220,0ptp4l0-21swapper/021:00:150
111391220,0ptp4l0-21swapper/020:55:130
111391220,0ptp4l0-21swapper/020:50:160
111391220,0ptp4l0-21swapper/020:45:210
111391220,0ptp4l0-21swapper/020:25:150
111391220,0ptp4l0-21swapper/020:10:110
111391220,0ptp4l0-21swapper/020:05:130
111391220,0ptp4l0-21swapper/019:10:150
111391220,0ptp4l0-21swapper/000:30:150
111391220,0ptp4l0-21swapper/000:10:200
111391210,0ptp4l0-21swapper/723:43:347
111391210,0ptp4l0-21swapper/623:44:356
111391210,0ptp4l0-21swapper/623:16:536
111391210,0ptp4l0-21swapper/622:51:486
111391210,0ptp4l0-21swapper/622:05:506
111391210,0ptp4l0-21swapper/621:57:286
111391210,0ptp4l0-21swapper/621:32:456
111391210,0ptp4l0-21swapper/621:23:156
111391210,0ptp4l0-21swapper/620:25:126
111391210,0ptp4l0-21swapper/619:10:006
111391210,0ptp4l0-21swapper/600:08:226
111391210,0ptp4l0-21swapper/523:53:545
111391210,0ptp4l0-21swapper/523:40:185
111391210,0ptp4l0-21swapper/522:25:565
111391210,0ptp4l0-21swapper/520:20:225
111391210,0ptp4l0-21swapper/520:01:355
111391210,0ptp4l0-21swapper/500:35:475
111391210,0ptp4l0-21swapper/323:35:213
111391210,0ptp4l0-21swapper/320:50:133
111391210,0ptp4l0-21swapper/223:44:342
111391210,0ptp4l0-21swapper/223:27:132
111391210,0ptp4l0-21swapper/223:19:132
111391210,0ptp4l0-21swapper/222:26:442
111391210,0ptp4l0-21swapper/222:24:232
111391210,0ptp4l0-21swapper/222:19:532
111391210,0ptp4l0-21swapper/222:05:532
111391210,0ptp4l0-21swapper/221:26:382
111391210,0ptp4l0-21swapper/221:21:392
111391210,0ptp4l0-21swapper/123:52:421
111391210,0ptp4l0-21swapper/123:26:181
111391210,0ptp4l0-21swapper/121:25:581
111391210,0ptp4l0-21swapper/120:30:011
111391210,0ptp4l0-21swapper/120:00:121
111391210,0ptp4l0-21swapper/100:11:371
111391210,0ptp4l0-21swapper/100:09:121
111391210,0ptp4l0-21swapper/019:40:090
111391210,0ptp4l0-21swapper/019:30:110
111391210,0ptp4l0-21swapper/000:20:010
111391210,0ptp4l0-21swapper/000:20:010
111391200,0ptp4l0-21swapper/722:11:317
111391200,0ptp4l0-21swapper/622:26:356
111391200,0ptp4l0-21swapper/622:11:136
111391200,0ptp4l0-21swapper/621:39:226
111391200,0ptp4l0-21swapper/600:22:346
111391200,0ptp4l0-21swapper/600:22:336
111391200,0ptp4l0-21swapper/520:58:025
111391200,0ptp4l0-21swapper/500:00:095
111391200,0ptp4l0-21swapper/419:15:434
111391200,0ptp4l0-21swapper/323:43:293
111391200,0ptp4l0-21swapper/223:12:342
111391200,0ptp4l0-21swapper/222:30:332
111391200,0ptp4l0-21swapper/221:39:192
111391200,0ptp4l0-21swapper/200:12:342
111391200,0ptp4l0-21swapper/123:55:381
111391200,0ptp4l0-21swapper/120:51:441
111391200,0ptp4l0-21swapper/020:19:430
111391200,0ptp4l0-21swapper/019:58:010
111391200,0ptp4l0-21swapper/019:35:180
111391200,0ptp4l0-21swapper/019:18:430
111391190,0ptp4l0-21swapper/721:38:457
111391190,0ptp4l0-21swapper/623:03:586
111391190,0ptp4l0-21swapper/621:50:006
111391190,0ptp4l0-21swapper/620:49:446
111391190,0ptp4l0-21swapper/521:25:415
111391190,0ptp4l0-21swapper/322:11:343
111391190,0ptp4l0-21swapper/322:01:083
111391190,0ptp4l0-21swapper/319:14:003
111391190,0ptp4l0-21swapper/221:17:242
111391190,0ptp4l0-21swapper/220:56:442
111391190,0ptp4l0-21swapper/220:53:032
111391190,0ptp4l0-21swapper/119:24:561
182192180,0sleep70-21swapper/723:31:067
111391180,1ptp4l24386-21forks20:30:121
111391180,0ptp4l0-21swapper/600:12:356
111391180,0ptp4l0-21swapper/222:51:472
111391180,0ptp4l0-21swapper/222:11:082
111391180,0ptp4l0-21swapper/220:39:502
111391180,0ptp4l0-21swapper/119:37:061
111391180,0ptp4l0-21swapper/019:51:360
111391180,0ptp4l0-21swapper/019:29:560
111391180,0ptp4l0-21swapper/019:20:210
111391170,0ptp4l0-21swapper/622:24:226
111391170,0ptp4l0-21swapper/519:47:255
111391170,0ptp4l0-21swapper/221:50:002
111391170,0ptp4l0-21swapper/219:11:272
111391160,0ptp4l0-21swapper/623:46:316
111391160,0ptp4l0-21swapper/622:19:536
111391160,0ptp4l0-21swapper/621:26:426
111391160,0ptp4l0-21swapper/620:11:446
111391160,0ptp4l0-21swapper/521:01:035
111391160,0ptp4l0-21swapper/519:32:025
111391160,0ptp4l0-21swapper/321:38:463
111391160,0ptp4l0-21swapper/319:52:433
111391160,0ptp4l0-21swapper/220:17:132
111391160,0ptp4l0-21swapper/220:11:442
111391160,0ptp4l0-21swapper/220:05:002
111391160,0ptp4l0-21swapper/200:30:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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