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2026-07-24 - 09:04

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 Jul 24, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
104022640,0sleep20-21swapper/223:09:032
116052630,0sleep50-21swapper/500:38:545
111391630,5ptp4l0-21swapper/019:08:310
281332620,0sleep70-21swapper/722:05:167
111292620,0sleep21068-21runrttasks21:41:562
50412590,0sleep60-21swapper/619:30:006
25202590,1sleep31068-21runrttasks20:34:593
1881915848,6phc2sys0-21swapper/219:05:382
111391570,5ptp4l0-21swapper/419:06:234
2702225432,6sleep60-21swapper/619:06:306
2707425140,7sleep10-21swapper/119:07:051
111391510,0ptp4l23698-21ssh22:42:424
2693524837,7sleep30-21swapper/319:05:233
2694124737,6sleep70-21swapper/719:05:277
2539424634,7sleep50-21swapper/519:05:095
192952390,0sleep60-21swapper/622:35:436
111391360,0ptp4l0-21swapper/000:35:120
111391340,1ptp4l8635-21basename23:50:140
111391320,7ptp4l0-21swapper/119:55:131
111391320,2ptp4l0-21swapper/400:15:234
111391320,0ptp4l0-21swapper/423:09:184
111391320,0ptp4l0-21swapper/422:50:174
27607993116,6cyclictest0-21swapper/519:40:295
27607993116,4cyclictest0-21swapper/519:48:055
111391310,0ptp4l0-21swapper/419:20:214
111391310,0ptp4l0-21swapper/023:00:150
111391310,0ptp4l0-21swapper/021:47:220
111391310,0ptp4l0-21swapper/021:18:370
27607993015,0cyclictest0-21swapper/519:36:495
111391300,0ptp4l5930-21ssh22:19:554
111391300,0ptp4l0-21swapper/623:20:196
111391300,0ptp4l0-21swapper/423:16:574
111391300,0ptp4l0-21swapper/422:10:124
111391300,0ptp4l0-21swapper/421:56:134
111391300,0ptp4l0-21swapper/420:25:174
111391300,0ptp4l0-21swapper/121:19:431
111391300,0ptp4l0-21swapper/022:56:220
111391300,0ptp4l0-21swapper/022:11:590
111391300,0ptp4l0-21swapper/021:55:050
27607992919,9cyclictest0-21swapper/519:52:435
27607992915,9cyclictest0-21swapper/519:33:145
111391290,3ptp4l0-21swapper/023:30:430
111391290,2ptp4l0-21swapper/000:02:300
111391290,1ptp4l8548-21df_inode23:50:144
111391290,0ptp4l18317-21diskmemload22:05:370
111391290,0ptp4l0-21swapper/522:06:295
111391290,0ptp4l0-21swapper/521:38:245
111391290,0ptp4l0-21swapper/521:20:215
111391290,0ptp4l0-21swapper/422:38:544
111391290,0ptp4l0-21swapper/122:11:411
111391290,0ptp4l0-21swapper/100:27:591
111391290,0ptp4l0-21swapper/023:47:560
111391290,0ptp4l0-21swapper/022:50:210
111391290,0ptp4l0-21swapper/021:50:010
111391290,0ptp4l0-21swapper/000:30:480
111391290,0ptp4l0-21swapper/000:17:460
111391280,0ptp4l0-21swapper/423:21:384
111391280,0ptp4l0-21swapper/423:11:364
111391280,0ptp4l0-21swapper/023:16:130
111391280,0ptp4l0-21swapper/023:11:490
111391280,0ptp4l0-21swapper/022:27:170
111391280,0ptp4l0-21swapper/021:24:320
111391270,3ptp4l241ktimersoftd/121:34:011
111391270,2ptp4l0-21swapper/521:52:065
111391270,0ptp4l0-21swapper/721:45:217
111391270,0ptp4l0-21swapper/522:24:235
111391270,0ptp4l0-21swapper/500:14:235
111391270,0ptp4l0-21swapper/422:25:384
111391270,0ptp4l0-21swapper/421:21:424
111391270,0ptp4l0-21swapper/421:16:554
111391270,0ptp4l0-21swapper/400:32:404
111391270,0ptp4l0-21swapper/120:00:201
111391270,0ptp4l0-21swapper/022:46:130
111391260,1ptp4l30000-21munin-node19:15:010
111391260,0ptp4l0-21swapper/521:32:445
111391260,0ptp4l0-21swapper/423:28:354
111391260,0ptp4l0-21swapper/422:48:514
111391260,0ptp4l0-21swapper/422:34:234
111391260,0ptp4l0-21swapper/421:29:154
111391260,0ptp4l0-21swapper/400:14:514
111391260,0ptp4l0-21swapper/123:54:581
111391260,0ptp4l0-21swapper/122:32:291
111391260,0ptp4l0-21swapper/119:10:121
111391260,0ptp4l0-21swapper/023:44:210
111391260,0ptp4l0-21swapper/023:44:210
111391260,0ptp4l0-21swapper/023:24:090
111391260,0ptp4l0-21swapper/022:42:260
111391260,0ptp4l0-21swapper/022:39:300
111391260,0ptp4l0-21swapper/022:16:510
111391260,0ptp4l0-21swapper/000:28:040
27607992519,1cyclictest0-21swapper/521:47:105
111391250,1ptp4l6977-21cut22:20:160
111391250,1ptp4l32317-21crond20:30:003
111391250,1ptp4l10045-21diskstats19:40:120
111391250,0ptp4l9751-21ssh21:40:161
111391250,0ptp4l0-21swapper/522:57:565
111391250,0ptp4l0-21swapper/521:26:555
111391250,0ptp4l0-21swapper/500:30:105
111391250,0ptp4l0-21swapper/500:07:435
111391250,0ptp4l0-21swapper/423:39:034
111391250,0ptp4l0-21swapper/423:39:034
111391250,0ptp4l0-21swapper/423:01:354
111391250,0ptp4l0-21swapper/421:45:004
111391250,0ptp4l0-21swapper/419:50:144
111391250,0ptp4l0-21swapper/400:22:494
111391250,0ptp4l0-21swapper/400:05:144
111391250,0ptp4l0-21swapper/122:58:581
111391250,0ptp4l0-21swapper/122:09:351
111391250,0ptp4l0-21swapper/121:50:481
111391250,0ptp4l0-21swapper/121:26:191
111391250,0ptp4l0-21swapper/121:20:051
111391250,0ptp4l0-21swapper/120:55:141
111391250,0ptp4l0-21swapper/023:37:490
111391250,0ptp4l0-21swapper/023:37:490
111391250,0ptp4l0-21swapper/023:05:300
111391250,0ptp4l0-21swapper/021:41:300
111391250,0ptp4l0-21swapper/021:11:180
111391250,0ptp4l0-21swapper/021:05:140
111391250,0ptp4l0-21swapper/021:05:140
111391240,1ptp4l5571-21fw_conntrack21:35:120
111391240,1ptp4l3873-21pgrep23:44:044
111391240,1ptp4l3873-21pgrep23:44:044
111391240,1ptp4l24379-21/usr/sbin/munin22:00:146
111391240,1ptp4l21330-21grep20:05:125
111391240,1ptp4l19527-21irqrtprio20:00:165
111391240,1ptp4l12078-21df20:55:124
111391240,0ptp4l0-21swapper/720:30:157
111391240,0ptp4l0-21swapper/523:10:175
111391240,0ptp4l0-21swapper/522:30:505
111391240,0ptp4l0-21swapper/520:35:125
111391240,0ptp4l0-21swapper/519:10:135
111391240,0ptp4l0-21swapper/423:31:454
111391240,0ptp4l0-21swapper/421:53:214
111391240,0ptp4l0-21swapper/421:10:154
111391240,0ptp4l0-21swapper/323:13:143
111391240,0ptp4l0-21swapper/123:44:581
111391240,0ptp4l0-21swapper/123:44:571
111391240,0ptp4l0-21swapper/120:15:191
111391240,0ptp4l0-21swapper/100:24:101
111391240,0ptp4l0-21swapper/023:25:190
111391240,0ptp4l0-21swapper/020:45:160
111391240,0ptp4l0-21swapper/019:26:030
111391240,0ptp4l0-21swapper/000:10:180
111391230,2ptp4l0-21swapper/122:23:461
111391230,1ptp4l32581-21munin-run19:20:011
111391230,1ptp4l2871-21sed21:30:194
111391230,1ptp4l20512-21ssh23:21:335
111391230,0ptp4l0-21swapper/723:40:177
111391230,0ptp4l0-21swapper/723:40:177
111391230,0ptp4l0-21swapper/619:35:166
111391230,0ptp4l0-21swapper/523:52:005
111391230,0ptp4l0-21swapper/523:19:125
111391230,0ptp4l0-21swapper/522:25:185
111391230,0ptp4l0-21swapper/521:41:125
111391230,0ptp4l0-21swapper/521:12:395
111391230,0ptp4l0-21swapper/520:15:105
111391230,0ptp4l0-21swapper/500:00:215
111391230,0ptp4l0-21swapper/423:56:044
111391230,0ptp4l0-21swapper/423:45:124
111391230,0ptp4l0-21swapper/422:05:404
111391230,0ptp4l0-21swapper/422:01:114
111391230,0ptp4l0-21swapper/421:45:044
111391230,0ptp4l0-21swapper/420:40:004
111391230,0ptp4l0-21swapper/419:40:204
111391230,0ptp4l0-21swapper/400:35:134
111391230,0ptp4l0-21swapper/400:03:164
111391230,0ptp4l0-21swapper/222:00:202
111391230,0ptp4l0-21swapper/219:35:192
111391230,0ptp4l0-21swapper/123:37:131
111391230,0ptp4l0-21swapper/123:37:131
111391230,0ptp4l0-21swapper/123:20:141
111391230,0ptp4l0-21swapper/123:10:131
111391230,0ptp4l0-21swapper/122:46:371
111391230,0ptp4l0-21swapper/120:36:251
111391230,0ptp4l0-21swapper/120:05:121
111391230,0ptp4l0-21swapper/119:55:001
111391230,0ptp4l0-21swapper/119:45:191
111391230,0ptp4l0-21swapper/100:13:391
111391230,0ptp4l0-21swapper/022:34:590
111391230,0ptp4l0-21swapper/022:01:260
111391230,0ptp4l0-21swapper/021:30:150
111391230,0ptp4l0-21swapper/021:27:520
111391230,0ptp4l0-21swapper/021:00:130
111391230,0ptp4l0-21swapper/021:00:130
111391230,0ptp4l0-21swapper/020:59:590
111391230,0ptp4l0-21swapper/020:10:120
111391230,0ptp4l0-21swapper/020:04:550
111391230,0ptp4l0-21swapper/019:50:190
111391230,0ptp4l0-21swapper/019:20:220
111391220,1ptp4l5215-21df20:40:130
111391220,0ptp4l0-21swapper/723:39:597
111391220,0ptp4l0-21swapper/723:39:587
111391220,0ptp4l0-21swapper/723:13:037
111391220,0ptp4l0-21swapper/723:07:367
111391220,0ptp4l0-21swapper/721:13:277
111391220,0ptp4l0-21swapper/700:38:467
111391220,0ptp4l0-21swapper/622:30:086
111391220,0ptp4l0-21swapper/621:29:316
111391220,0ptp4l0-21swapper/523:55:185
111391220,0ptp4l0-21swapper/523:49:415
111391220,0ptp4l0-21swapper/523:09:485
111391220,0ptp4l0-21swapper/523:02:315
111391220,0ptp4l0-21swapper/522:45:475
111391220,0ptp4l0-21swapper/522:36:345
111391220,0ptp4l0-21swapper/522:15:165
111391220,0ptp4l0-21swapper/522:11:415
111391220,0ptp4l0-21swapper/521:56:465
111391220,0ptp4l0-21swapper/521:16:095
111391220,0ptp4l0-21swapper/520:55:155
111391220,0ptp4l0-21swapper/519:55:145
111391220,0ptp4l0-21swapper/500:25:215
111391220,0ptp4l0-21swapper/422:55:034
111391220,0ptp4l0-21swapper/422:20:154
111391220,0ptp4l0-21swapper/421:35:344
111391220,0ptp4l0-21swapper/420:50:124
111391220,0ptp4l0-21swapper/420:45:184
111391220,0ptp4l0-21swapper/420:20:104
111391220,0ptp4l0-21swapper/420:10:114
111391220,0ptp4l0-21swapper/420:00:164
111391220,0ptp4l0-21swapper/419:30:134
111391220,0ptp4l0-21swapper/419:25:144
111391220,0ptp4l0-21swapper/419:15:134
111391220,0ptp4l0-21swapper/400:28:054
111391220,0ptp4l0-21swapper/323:40:103
111391220,0ptp4l0-21swapper/323:40:093
111391220,0ptp4l0-21swapper/323:39:553
111391220,0ptp4l0-21swapper/323:39:553
111391220,0ptp4l0-21swapper/323:07:333
111391220,0ptp4l0-21swapper/321:45:193
111391220,0ptp4l0-21swapper/300:39:363
111391220,0ptp4l0-21swapper/223:20:202
111391220,0ptp4l0-21swapper/222:30:002
111391220,0ptp4l0-21swapper/123:55:131
111391220,0ptp4l0-21swapper/123:47:301
111391220,0ptp4l0-21swapper/123:31:101
111391220,0ptp4l0-21swapper/123:26:071
111391220,0ptp4l0-21swapper/123:19:431
111391220,0ptp4l0-21swapper/123:06:511
111391220,0ptp4l0-21swapper/123:02:291
111391220,0ptp4l0-21swapper/122:50:011
111391220,0ptp4l0-21swapper/122:15:151
111391220,0ptp4l0-21swapper/122:01:581
111391220,0ptp4l0-21swapper/121:45:141
111391220,0ptp4l0-21swapper/121:37:251
111391220,0ptp4l0-21swapper/121:12:371
111391220,0ptp4l0-21swapper/100:30:581
111391220,0ptp4l0-21swapper/100:07:581
111391220,0ptp4l0-21swapper/023:58:050
111391220,0ptp4l0-21swapper/020:25:120
111391220,0ptp4l0-21swapper/020:20:090
111391220,0ptp4l0-21swapper/019:30:110
111391220,0ptp4l0-21swapper/019:15:180
111391220,0ptp4l0-21swapper/000:20:050
111391220,0ptp4l0-21swapper/000:05:130
111391210,1ptp4l1545-21taskset22:55:322
111391210,0ptp4l0-21swapper/623:27:166
111391210,0ptp4l0-21swapper/623:05:466
111391210,0ptp4l0-21swapper/622:55:276
111391210,0ptp4l0-21swapper/622:21:496
111391210,0ptp4l0-21swapper/621:41:436
111391210,0ptp4l0-21swapper/621:20:556
111391210,0ptp4l0-21swapper/523:44:385
111391210,0ptp4l0-21swapper/523:44:385
111391210,0ptp4l0-21swapper/523:35:435
111391210,0ptp4l0-21swapper/523:35:435
111391210,0ptp4l0-21swapper/523:31:085
111391210,0ptp4l0-21swapper/522:50:035
111391210,0ptp4l0-21swapper/522:44:055
111391210,0ptp4l0-21swapper/522:02:465
111391210,0ptp4l0-21swapper/500:23:545
111391210,0ptp4l0-21swapper/500:15:555
111391210,0ptp4l0-21swapper/421:05:134
111391210,0ptp4l0-21swapper/421:05:124
111391210,0ptp4l0-21swapper/421:00:174
111391210,0ptp4l0-21swapper/421:00:174
111391210,0ptp4l0-21swapper/420:41:194
111391210,0ptp4l0-21swapper/419:11:254
111391210,0ptp4l0-21swapper/321:13:313
111391210,0ptp4l0-21swapper/300:17:423
111391210,0ptp4l0-21swapper/223:32:032
111391210,0ptp4l0-21swapper/222:30:012
111391210,0ptp4l0-21swapper/122:44:001
111391210,0ptp4l0-21swapper/122:35:381
111391210,0ptp4l0-21swapper/122:25:131
111391210,0ptp4l0-21swapper/121:59:031
111391210,0ptp4l0-21swapper/120:50:491
111391210,0ptp4l0-21swapper/119:44:551
111391210,0ptp4l0-21swapper/100:36:101
111391210,0ptp4l0-21swapper/100:00:301
111391210,0ptp4l0-21swapper/020:50:140
111391210,0ptp4l0-21swapper/020:39:020
111391210,0ptp4l0-21swapper/020:06:430
111391210,0ptp4l0-21swapper/019:48:400
111391210,0ptp4l0-21swapper/019:35:000
111391200,0ptp4l0-21swapper/722:11:207
111391200,0ptp4l0-21swapper/720:27:407
111391200,0ptp4l0-21swapper/521:09:215
111391200,0ptp4l0-21swapper/521:09:215
111391200,0ptp4l0-21swapper/520:11:265
111391200,0ptp4l0-21swapper/420:16:004
111391200,0ptp4l0-21swapper/419:36:174
111391200,0ptp4l0-21swapper/223:56:292
111391200,0ptp4l0-21swapper/222:51:432
111391200,0ptp4l0-21swapper/222:21:502
111391200,0ptp4l0-21swapper/221:29:332
111391200,0ptp4l0-21swapper/221:11:592
111391200,0ptp4l0-21swapper/200:15:322
111391200,0ptp4l0-21swapper/121:09:251
111391200,0ptp4l0-21swapper/121:09:251
111391200,0ptp4l0-21swapper/121:00:371
111391200,0ptp4l0-21swapper/121:00:371
111391200,0ptp4l0-21swapper/120:33:251
111391200,0ptp4l0-21swapper/120:13:001
111391200,0ptp4l0-21swapper/100:18:391
111391200,0ptp4l0-21swapper/020:17:450
111391200,0ptp4l0-21swapper/019:57:000
111391190,0ptp4l0-21swapper/700:17:407
111391190,0ptp4l0-21swapper/623:56:286
111391190,0ptp4l0-21swapper/623:42:186
111391190,0ptp4l0-21swapper/623:42:186
111391190,0ptp4l0-21swapper/519:21:065
111391190,0ptp4l0-21swapper/221:20:532
111391190,0ptp4l0-21swapper/120:43:021
41372180,1sleep21068-21runrttasks00:28:502
111391180,0ptp4l0-21swapper/622:29:586
111391180,0ptp4l0-21swapper/620:19:326
111391180,0ptp4l0-21swapper/600:15:356
111391180,0ptp4l0-21swapper/520:47:005
111391180,0ptp4l0-21swapper/520:34:555
111391180,0ptp4l0-21swapper/223:27:122
111391180,0ptp4l0-21swapper/222:35:522
111391170,0ptp4l0-21swapper/623:32:016
111391170,0ptp4l0-21swapper/623:04:146
111391170,0ptp4l0-21swapper/519:25:415
111391170,0ptp4l0-21swapper/223:42:212
111391170,0ptp4l0-21swapper/223:42:212
111391170,0ptp4l0-21swapper/119:30:571
27585991613,1cyclictest5411-1kworker/u17:200:39:182
111391160,0ptp4l0-21swapper/622:51:416
111391160,0ptp4l0-21swapper/523:25:405
111391160,0ptp4l0-21swapper/520:50:445
111391160,0ptp4l0-21swapper/519:18:595
111391160,0ptp4l0-21swapper/420:06:024
111391160,0ptp4l0-21swapper/419:56:504
111391160,0ptp4l0-21swapper/419:47:594
111391160,0ptp4l0-21swapper/223:04:132
111391160,0ptp4l0-21swapper/120:45:271
111391160,0ptp4l0-21swapper/120:24:331
111391160,0ptp4l0-21swapper/119:23:261
111391160,0ptp4l0-21swapper/020:33:040
2762299150,1cyclictest0-21swapper/700:10:227
111391150,0ptp4l0-21swapper/720:49:257
111391150,0ptp4l0-21swapper/621:07:136
111391150,0ptp4l0-21swapper/621:07:136
111391150,0ptp4l0-21swapper/620:38:216
111391150,0ptp4l0-21swapper/620:26:426
111391150,0ptp4l0-21swapper/620:20:406
111391150,0ptp4l0-21swapper/620:03:276
111391150,0ptp4l0-21swapper/619:57:186
111391150,0ptp4l0-21swapper/521:00:445
111391150,0ptp4l0-21swapper/521:00:445
111391150,0ptp4l0-21swapper/520:40:515
111391150,0ptp4l0-21swapper/520:27:015
111391150,0ptp4l0-21swapper/420:33:084
111391150,0ptp4l0-21swapper/320:49:313
111391150,0ptp4l0-21swapper/319:46:143
111391150,0ptp4l0-21swapper/220:38:212
111391150,0ptp4l0-21swapper/220:26:522
111391150,0ptp4l0-21swapper/219:51:532
111391150,0ptp4l0-21swapper/219:27:282
111391150,0ptp4l0-21swapper/120:26:471
111391150,0ptp4l0-21swapper/119:35:431
111391150,0ptp4l0-21swapper/119:25:271
27585991412,1cyclictest0-21swapper/220:55:162
111391140,0ptp4l0-21swapper/719:46:167
111391140,0ptp4l0-21swapper/621:11:556
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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