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2026-07-20 - 13:40

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 Mon Jul 20, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
164352700,0sleep70-21swapper/722:55:207
111391610,30ptp4l0-21swapper/219:07:332
111391600,29ptp4l0-21swapper/519:07:225
111391590,5ptp4l0-21swapper/019:05:300
663525834,7sleep40-21swapper/419:05:544
111391570,6ptp4l0-21swapper/619:09:536
681925635,7sleep30-21swapper/319:08:093
1881915635,6phc2sys0-21swapper/119:06:331
165032540,0sleep10-21swapper/122:15:011
677925241,6sleep70-21swapper/719:07:417
111391340,0ptp4l0-21swapper/521:55:165
111391330,1ptp4l25000-21latency22:25:154
111391310,0ptp4l0-21swapper/022:28:210
111391310,0ptp4l0-21swapper/000:25:100
111391300,3ptp4l0-21swapper/421:25:154
111391300,0ptp4l0-21swapper/422:53:454
111391300,0ptp4l0-21swapper/422:35:104
111391300,0ptp4l0-21swapper/421:35:024
111391300,0ptp4l0-21swapper/400:15:144
111391300,0ptp4l0-21swapper/122:22:031
111391300,0ptp4l0-21swapper/023:00:080
111391300,0ptp4l0-21swapper/021:39:420
111391290,3ptp4l0-21swapper/423:07:104
111391290,0ptp4l0-21swapper/423:56:504
111391290,0ptp4l0-21swapper/422:20:214
111391290,0ptp4l0-21swapper/421:16:324
111391280,3ptp4l0-21swapper/520:05:265
111391280,2ptp4l0-21swapper/000:33:390
111391280,1ptp4l0-21swapper/619:15:196
111391280,0ptp4l17468-21ssh22:57:464
111391280,0ptp4l0-21swapper/423:40:334
111391280,0ptp4l0-21swapper/423:36:394
111391280,0ptp4l0-21swapper/423:34:444
111391280,0ptp4l0-21swapper/423:34:444
111391280,0ptp4l0-21swapper/422:33:114
111391280,0ptp4l0-21swapper/422:10:204
111391280,0ptp4l0-21swapper/422:01:074
111391280,0ptp4l0-21swapper/219:15:192
111391270,0ptp4l0-21swapper/520:15:115
111391270,0ptp4l0-21swapper/423:25:284
111391270,0ptp4l0-21swapper/423:15:114
111391270,0ptp4l0-21swapper/422:18:184
111391270,0ptp4l0-21swapper/422:05:264
111391270,0ptp4l0-21swapper/421:14:464
111391270,0ptp4l0-21swapper/400:32:424
111391270,0ptp4l0-21swapper/123:58:421
111391270,0ptp4l0-21swapper/023:27:280
111391270,0ptp4l0-21swapper/023:18:200
111391270,0ptp4l0-21swapper/022:57:190
111391270,0ptp4l0-21swapper/022:17:530
111391270,0ptp4l0-21swapper/022:14:580
111391270,0ptp4l0-21swapper/021:56:080
111391270,0ptp4l0-21swapper/021:50:530
111391270,0ptp4l0-21swapper/021:34:010
111391270,0ptp4l0-21swapper/021:23:350
111391260,0ptp4l0-21swapper/722:40:367
111391260,0ptp4l0-21swapper/521:15:215
111391260,0ptp4l0-21swapper/423:52:204
111391260,0ptp4l0-21swapper/423:45:124
111391260,0ptp4l0-21swapper/423:22:434
111391260,0ptp4l0-21swapper/423:13:304
111391260,0ptp4l0-21swapper/420:45:114
111391260,0ptp4l0-21swapper/322:02:283
111391260,0ptp4l0-21swapper/023:44:580
111391260,0ptp4l0-21swapper/023:10:140
111391260,0ptp4l0-21swapper/022:20:130
111391260,0ptp4l0-21swapper/021:47:340
111391260,0ptp4l0-21swapper/019:30:200
111391250,1ptp4l30335-21diskmemload23:58:435
111391250,0ptp4l0-21swapper/621:00:196
111391250,0ptp4l0-21swapper/621:00:196
111391250,0ptp4l0-21swapper/523:32:065
111391250,0ptp4l0-21swapper/523:32:065
111391250,0ptp4l0-21swapper/500:15:195
111391250,0ptp4l0-21swapper/422:47:414
111391250,0ptp4l0-21swapper/421:52:194
111391250,0ptp4l0-21swapper/421:48:234
111391250,0ptp4l0-21swapper/421:41:084
111391250,0ptp4l0-21swapper/420:15:194
111391250,0ptp4l0-21swapper/420:10:134
111391250,0ptp4l0-21swapper/400:25:154
111391250,0ptp4l0-21swapper/400:03:344
111391250,0ptp4l0-21swapper/222:58:372
111391250,0ptp4l0-21swapper/122:01:251
111391250,0ptp4l0-21swapper/023:51:060
111391250,0ptp4l0-21swapper/022:07:470
111391250,0ptp4l0-21swapper/022:04:380
111391250,0ptp4l0-21swapper/019:55:230
111391250,0ptp4l0-21swapper/019:50:130
111391250,0ptp4l0-21swapper/000:35:180
111391250,0ptp4l0-21swapper/000:16:540
111391240,1ptp4l9716-21fw_forwarded_lo23:30:131
111391240,1ptp4l9716-21fw_forwarded_lo23:30:131
111391240,1ptp4l28672-21cut21:05:120
111391240,1ptp4l16438-21diskmemload00:20:220
111391240,0ptp4l0-21swapper/719:35:007
111391240,0ptp4l0-21swapper/523:03:165
111391240,0ptp4l0-21swapper/522:30:175
111391240,0ptp4l0-21swapper/423:03:254
111391240,0ptp4l0-21swapper/421:33:124
111391240,0ptp4l0-21swapper/420:35:134
111391240,0ptp4l0-21swapper/400:23:484
111391240,0ptp4l0-21swapper/400:05:204
111391240,0ptp4l0-21swapper/322:40:133
111391240,0ptp4l0-21swapper/123:25:561
111391240,0ptp4l0-21swapper/023:59:420
111391240,0ptp4l0-21swapper/023:47:040
111391240,0ptp4l0-21swapper/023:08:180
111391240,0ptp4l0-21swapper/022:55:000
111391240,0ptp4l0-21swapper/022:36:230
111391240,0ptp4l0-21swapper/021:43:550
111391240,0ptp4l0-21swapper/021:26:250
111391240,0ptp4l0-21swapper/021:15:000
111391230,1ptp4l8198-21/usr/sbin/munin00:10:154
111391230,1ptp4l5954-21ssh21:19:590
111391230,1ptp4l24955-21needreboot19:45:140
111391230,0ptp4l12486-21ssh23:34:100
111391230,0ptp4l12486-21ssh23:34:090
111391230,0ptp4l0-21swapper/722:39:247
111391230,0ptp4l0-21swapper/623:12:196
111391230,0ptp4l0-21swapper/622:25:006
111391230,0ptp4l0-21swapper/621:16:106
111391230,0ptp4l0-21swapper/619:15:016
111391230,0ptp4l0-21swapper/523:50:205
111391230,0ptp4l0-21swapper/523:20:165
111391230,0ptp4l0-21swapper/523:14:075
111391230,0ptp4l0-21swapper/522:15:195
111391230,0ptp4l0-21swapper/521:54:105
111391230,0ptp4l0-21swapper/521:30:205
111391230,0ptp4l0-21swapper/521:10:215
111391230,0ptp4l0-21swapper/520:40:135
111391230,0ptp4l0-21swapper/520:25:005
111391230,0ptp4l0-21swapper/420:57:164
111391230,0ptp4l0-21swapper/420:57:164
111391230,0ptp4l0-21swapper/420:50:174
111391230,0ptp4l0-21swapper/420:30:204
111391230,0ptp4l0-21swapper/420:00:194
111391230,0ptp4l0-21swapper/419:55:144
111391230,0ptp4l0-21swapper/419:10:144
111391230,0ptp4l0-21swapper/400:35:144
111391230,0ptp4l0-21swapper/323:19:093
111391230,0ptp4l0-21swapper/319:35:183
111391230,0ptp4l0-21swapper/123:45:181
111391230,0ptp4l0-21swapper/123:00:201
111391230,0ptp4l0-21swapper/122:50:051
111391230,0ptp4l0-21swapper/122:30:161
111391230,0ptp4l0-21swapper/121:58:061
111391230,0ptp4l0-21swapper/121:14:361
111391230,0ptp4l0-21swapper/120:40:121
111391230,0ptp4l0-21swapper/119:25:191
111391230,0ptp4l0-21swapper/100:15:181
111391230,0ptp4l0-21swapper/023:36:430
111391230,0ptp4l0-21swapper/023:25:000
111391230,0ptp4l0-21swapper/022:45:200
111391230,0ptp4l0-21swapper/022:30:500
111391230,0ptp4l0-21swapper/020:45:000
111391230,0ptp4l0-21swapper/020:27:080
111391230,0ptp4l0-21swapper/020:20:000
111391230,0ptp4l0-21swapper/020:10:140
111391230,0ptp4l0-21swapper/020:00:110
111391230,0ptp4l0-21swapper/019:20:000
111391230,0ptp4l0-21swapper/019:10:160
111391230,0ptp4l0-21swapper/000:13:090
111391230,0ptp4l0-21swapper/000:08:150
111391230,0ptp4l0-21swapper/000:00:140
111391220,1ptp4l13595-21/usr/sbin/munin19:20:195
111391220,0ptp4l0-21swapper/720:10:477
111391220,0ptp4l0-21swapper/719:35:137
111391220,0ptp4l0-21swapper/700:25:497
111391220,0ptp4l0-21swapper/622:58:326
111391220,0ptp4l0-21swapper/620:22:486
111391220,0ptp4l0-21swapper/523:46:175
111391220,0ptp4l0-21swapper/523:39:155
111391220,0ptp4l0-21swapper/523:27:065
111391220,0ptp4l0-21swapper/522:50:025
111391220,0ptp4l0-21swapper/522:50:005
111391220,0ptp4l0-21swapper/522:37:475
111391220,0ptp4l0-21swapper/522:26:315
111391220,0ptp4l0-21swapper/522:23:035
111391220,0ptp4l0-21swapper/522:00:165
111391220,0ptp4l0-21swapper/521:47:285
111391220,0ptp4l0-21swapper/521:36:565
111391220,0ptp4l0-21swapper/520:30:165
111391220,0ptp4l0-21swapper/500:07:515
111391220,0ptp4l0-21swapper/500:03:005
111391220,0ptp4l0-21swapper/422:43:244
111391220,0ptp4l0-21swapper/421:55:194
111391220,0ptp4l0-21swapper/421:20:054
111391220,0ptp4l0-21swapper/421:05:144
111391220,0ptp4l0-21swapper/420:40:184
111391220,0ptp4l0-21swapper/420:20:164
111391220,0ptp4l0-21swapper/420:09:514
111391220,0ptp4l0-21swapper/419:50:164
111391220,0ptp4l0-21swapper/419:45:124
111391220,0ptp4l0-21swapper/419:40:144
111391220,0ptp4l0-21swapper/419:30:164
111391220,0ptp4l0-21swapper/419:25:144
111391220,0ptp4l0-21swapper/300:25:383
111391220,0ptp4l0-21swapper/223:14:572
111391220,0ptp4l0-21swapper/222:24:532
111391220,0ptp4l0-21swapper/221:16:092
111391220,0ptp4l0-21swapper/221:00:192
111391220,0ptp4l0-21swapper/221:00:192
111391220,0ptp4l0-21swapper/220:55:142
111391220,0ptp4l0-21swapper/220:55:142
111391220,0ptp4l0-21swapper/123:50:121
111391220,0ptp4l0-21swapper/123:16:201
111391220,0ptp4l0-21swapper/123:13:231
111391220,0ptp4l0-21swapper/123:08:411
111391220,0ptp4l0-21swapper/122:59:071
111391220,0ptp4l0-21swapper/122:25:001
111391220,0ptp4l0-21swapper/122:10:111
111391220,0ptp4l0-21swapper/122:06:191
111391220,0ptp4l0-21swapper/121:30:291
111391220,0ptp4l0-21swapper/121:23:531
111391220,0ptp4l0-21swapper/121:15:191
111391220,0ptp4l0-21swapper/120:30:131
111391220,0ptp4l0-21swapper/119:20:201
111391220,0ptp4l0-21swapper/100:30:121
111391220,0ptp4l0-21swapper/100:29:551
111391220,0ptp4l0-21swapper/100:07:521
111391220,0ptp4l0-21swapper/100:02:431
111391220,0ptp4l0-21swapper/022:43:090
111391220,0ptp4l0-21swapper/020:50:190
111391220,0ptp4l0-21swapper/020:45:080
111391220,0ptp4l0-21swapper/020:35:190
111391220,0ptp4l0-21swapper/020:20:170
111391220,0ptp4l0-21swapper/020:05:010
111391220,0ptp4l0-21swapper/019:40:150
111391220,0ptp4l0-21swapper/019:20:130
111391210,0ptp4l0-21swapper/723:46:007
111391210,0ptp4l0-21swapper/723:19:167
111391210,0ptp4l0-21swapper/722:02:137
111391210,0ptp4l0-21swapper/721:55:577
111391210,0ptp4l0-21swapper/623:18:336
111391210,0ptp4l0-21swapper/622:48:486
111391210,0ptp4l0-21swapper/620:17:296
111391210,0ptp4l0-21swapper/523:41:535
111391210,0ptp4l0-21swapper/523:15:245
111391210,0ptp4l0-21swapper/522:55:295
111391210,0ptp4l0-21swapper/522:10:555
111391210,0ptp4l0-21swapper/521:42:215
111391210,0ptp4l0-21swapper/521:28:585
111391210,0ptp4l0-21swapper/521:23:555
111391210,0ptp4l0-21swapper/520:25:115
111391210,0ptp4l0-21swapper/519:55:015
111391210,0ptp4l0-21swapper/519:54:085
111391210,0ptp4l0-21swapper/500:36:425
111391210,0ptp4l0-21swapper/500:30:105
111391210,0ptp4l0-21swapper/500:25:055
111391210,0ptp4l0-21swapper/500:22:295
111391210,0ptp4l0-21swapper/500:14:445
111391210,0ptp4l0-21swapper/419:20:134
111391210,0ptp4l0-21swapper/419:19:234
111391210,0ptp4l0-21swapper/323:45:583
111391210,0ptp4l0-21swapper/322:39:103
111391210,0ptp4l0-21swapper/321:55:453
111391210,0ptp4l0-21swapper/321:42:053
111391210,0ptp4l0-21swapper/320:11:473
111391210,0ptp4l0-21swapper/223:44:152
111391210,0ptp4l0-21swapper/221:05:422
111391210,0ptp4l0-21swapper/200:11:112
111391210,0ptp4l0-21swapper/123:41:081
111391210,0ptp4l0-21swapper/123:39:131
111391210,0ptp4l0-21swapper/123:24:501
111391210,0ptp4l0-21swapper/121:41:321
111391210,0ptp4l0-21swapper/121:36:331
111391210,0ptp4l0-21swapper/121:29:401
111391210,0ptp4l0-21swapper/120:25:111
111391210,0ptp4l0-21swapper/120:15:111
111391210,0ptp4l0-21swapper/120:05:231
111391210,0ptp4l0-21swapper/100:23:101
111391210,0ptp4l0-21swapper/100:11:561
111391210,0ptp4l0-21swapper/020:32:080
111391210,0ptp4l0-21swapper/019:37:280
111391210,0ptp4l0-21swapper/019:28:560
111391200,0ptp4l0-21swapper/721:42:067
111391200,0ptp4l0-21swapper/720:43:287
111391200,0ptp4l0-21swapper/621:22:576
111391200,0ptp4l0-21swapper/620:46:096
111391200,0ptp4l0-21swapper/619:39:296
111391200,0ptp4l0-21swapper/523:08:425
111391200,0ptp4l0-21swapper/522:05:345
111391200,0ptp4l0-21swapper/520:47:375
111391200,0ptp4l0-21swapper/519:12:595
111391200,0ptp4l0-21swapper/420:25:204
111391200,0ptp4l0-21swapper/419:39:084
111391200,0ptp4l0-21swapper/223:18:312
111391200,0ptp4l0-21swapper/222:48:442
111391200,0ptp4l0-21swapper/221:31:442
111391200,0ptp4l0-21swapper/220:16:092
111391200,0ptp4l0-21swapper/200:32:362
111391200,0ptp4l0-21swapper/200:27:062
111391200,0ptp4l0-21swapper/122:47:281
111391200,0ptp4l0-21swapper/122:44:231
111391200,0ptp4l0-21swapper/121:50:341
111391200,0ptp4l0-21swapper/120:58:041
111391200,0ptp4l0-21swapper/120:58:041
111391200,0ptp4l0-21swapper/120:47:281
111391200,0ptp4l0-21swapper/119:45:291
111391200,0ptp4l0-21swapper/100:36:421
111391200,0ptp4l0-21swapper/021:03:290
111391200,0ptp4l0-21swapper/021:03:290
111391200,0ptp4l0-21swapper/020:55:190
111391200,0ptp4l0-21swapper/020:55:190
111391190,0ptp4l0-21swapper/621:31:446
111391190,0ptp4l0-21swapper/600:28:286
111391190,0ptp4l0-21swapper/519:42:085
111391190,0ptp4l0-21swapper/519:26:145
111391190,0ptp4l0-21swapper/519:17:215
111391190,0ptp4l0-21swapper/421:03:594
111391190,0ptp4l0-21swapper/421:03:594
111391190,0ptp4l0-21swapper/322:56:463
111391190,0ptp4l0-21swapper/223:35:302
111391190,0ptp4l0-21swapper/223:29:552
111391190,0ptp4l0-21swapper/121:46:531
111391190,0ptp4l0-21swapper/120:38:091
111391180,0ptp4l0-21swapper/620:55:156
111391180,0ptp4l0-21swapper/620:55:156
111391180,0ptp4l0-21swapper/600:11:126
111391180,0ptp4l0-21swapper/522:44:245
111391180,0ptp4l0-21swapper/519:48:055
111391180,0ptp4l0-21swapper/222:26:192
111391180,0ptp4l0-21swapper/221:22:592
111391180,0ptp4l0-21swapper/120:52:281
111391180,0ptp4l0-21swapper/120:21:381
111391170,0ptp4l0-21swapper/623:35:296
111391170,0ptp4l0-21swapper/623:28:206
111391170,0ptp4l0-21swapper/221:27:432
111391170,0ptp4l0-21swapper/122:37:421
111391170,0ptp4l0-21swapper/120:10:241
111391160,0ptp4l0-21swapper/520:54:565
111391160,0ptp4l0-21swapper/520:00:375
111391160,0ptp4l0-21swapper/519:31:045
111391160,0ptp4l0-21swapper/221:41:042
111391160,0ptp4l0-21swapper/220:46:172
111391160,0ptp4l0-21swapper/120:00:511
111391160,0ptp4l0-21swapper/119:56:251
111391160,0ptp4l0-21swapper/119:42:431
727699150,1cyclictest0-21swapper/620:00:156
7255991513,1cyclictest0-21swapper/319:30:183
111391150,0ptp4l0-21swapper/720:56:587
111391150,0ptp4l0-21swapper/720:56:587
111391150,0ptp4l0-21swapper/621:05:316
111391150,0ptp4l0-21swapper/620:30:066
111391150,0ptp4l0-21swapper/619:58:316
111391150,0ptp4l0-21swapper/619:25:326
111391150,0ptp4l0-21swapper/521:06:075
111391150,0ptp4l0-21swapper/521:01:585
111391150,0ptp4l0-21swapper/521:01:585
111391150,0ptp4l0-21swapper/520:56:255
111391150,0ptp4l0-21swapper/520:56:255
111391150,0ptp4l0-21swapper/520:37:315
111391150,0ptp4l0-21swapper/520:12:445
111391150,0ptp4l0-21swapper/519:37:235
111391150,0ptp4l0-21swapper/320:57:033
111391150,0ptp4l0-21swapper/320:57:033
111391150,0ptp4l0-21swapper/320:43:233
111391150,0ptp4l0-21swapper/319:21:083
111391150,0ptp4l0-21swapper/220:30:042
111391150,0ptp4l0-21swapper/220:29:132
111391150,0ptp4l0-21swapper/220:21:182
111391150,0ptp4l0-21swapper/219:59:472
111391150,0ptp4l0-21swapper/219:39:132
111391150,0ptp4l0-21swapper/219:28:192
111391150,0ptp4l0-21swapper/219:14:592
111391150,0ptp4l0-21swapper/200:39:042
111391150,0ptp4l0-21swapper/121:06:061
111391150,0ptp4l0-21swapper/121:01:581
111391150,0ptp4l0-21swapper/121:01:581
111391150,0ptp4l0-21swapper/119:53:231
111391150,0ptp4l0-21swapper/119:37:201
111391150,0ptp4l0-21swapper/119:15:471
111391150,0ptp4l0-21swapper/119:10:471
111391140,0ptp4l0-21swapper/719:21:077
111391140,0ptp4l0-21swapper/620:26:586
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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