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2026-09-16 - 03:45

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 Wed Sep 16, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2956521180,1sleep2548199cyclictest00:13:352
85462670,0sleep60-21swapper/623:42:236
92042620,0sleep60-21swapper/620:25:176
494625938,6sleep20-21swapper/219:06:422
502425848,6sleep70-21swapper/719:07:437
111391570,5ptp4l0-21swapper/419:06:574
1881915634,7phc2sys0-21swapper/019:05:490
111391560,5ptp4l0-21swapper/519:09:185
491625432,7sleep10-21swapper/119:06:161
511424635,6sleep60-21swapper/619:08:546
485224635,7sleep30-21swapper/319:05:303
111391340,0ptp4l0-21swapper/400:01:084
111391320,0ptp4l0-21swapper/422:31:524
111391320,0ptp4l0-21swapper/421:15:174
111391310,1ptp4l23376-21ssh22:31:150
111391310,0ptp4l0-21swapper/522:10:225
111391310,0ptp4l0-21swapper/421:51:154
111391310,0ptp4l0-21swapper/420:40:214
111391300,0ptp4l0-21swapper/423:35:344
111391300,0ptp4l0-21swapper/422:06:064
111391300,0ptp4l0-21swapper/400:25:174
111391290,0ptp4l0-21swapper/423:42:204
111391290,0ptp4l0-21swapper/423:03:004
111391290,0ptp4l0-21swapper/421:20:434
111391290,0ptp4l0-21swapper/400:20:144
111391290,0ptp4l0-21swapper/100:22:141
111391290,0ptp4l0-21swapper/023:40:020
111391290,0ptp4l0-21swapper/021:43:160
111391280,3ptp4l0-21swapper/423:55:344
111391280,3ptp4l0-21swapper/423:21:304
111391280,0ptp4l0-21swapper/422:39:224
111391280,0ptp4l0-21swapper/420:30:264
111391280,0ptp4l0-21swapper/420:30:254
111391280,0ptp4l0-21swapper/023:15:070
111391280,0ptp4l0-21swapper/022:55:160
111391270,1ptp4l10090-21latency_hist22:59:594
111391270,0ptp4l0-21swapper/700:31:087
111391270,0ptp4l0-21swapper/423:52:394
111391270,0ptp4l0-21swapper/423:11:184
111391270,0ptp4l0-21swapper/423:11:184
111391270,0ptp4l0-21swapper/022:26:300
111391260,0ptp4l0-21swapper/722:57:137
111391260,0ptp4l0-21swapper/621:36:026
111391260,0ptp4l0-21swapper/523:07:115
111391260,0ptp4l0-21swapper/523:07:115
111391260,0ptp4l0-21swapper/500:28:525
111391260,0ptp4l0-21swapper/423:46:384
111391260,0ptp4l0-21swapper/422:47:054
111391260,0ptp4l0-21swapper/422:25:504
111391260,0ptp4l0-21swapper/400:36:244
111391260,0ptp4l0-21swapper/122:03:051
111391260,0ptp4l0-21swapper/022:47:350
111391260,0ptp4l0-21swapper/022:38:290
111391260,0ptp4l0-21swapper/021:16:060
111391250,1ptp4l28576-21diskmemload00:35:230
111391250,0ptp4l0-21swapper/622:30:096
111391250,0ptp4l0-21swapper/621:15:016
111391250,0ptp4l0-21swapper/522:00:475
111391250,0ptp4l0-21swapper/520:35:155
111391250,0ptp4l0-21swapper/520:25:145
111391250,0ptp4l0-21swapper/423:25:134
111391250,0ptp4l0-21swapper/423:09:054
111391250,0ptp4l0-21swapper/423:09:054
111391250,0ptp4l0-21swapper/421:45:004
111391250,0ptp4l0-21swapper/421:37:194
111391250,0ptp4l0-21swapper/421:06:074
111391250,0ptp4l0-21swapper/419:25:524
111391250,0ptp4l0-21swapper/419:20:144
111391250,0ptp4l0-21swapper/121:35:191
111391250,0ptp4l0-21swapper/023:33:420
111391250,0ptp4l0-21swapper/022:51:570
111391250,0ptp4l0-21swapper/021:32:420
111391250,0ptp4l0-21swapper/020:40:130
111391250,0ptp4l0-21swapper/019:45:130
111391240,1ptp4l641ktimersoftd/622:02:296
111391240,1ptp4l6301-21diskstats20:20:140
111391240,1ptp4l20558-21cat23:15:000
111391240,1ptp4l20558-21cat23:15:000
111391240,1ptp4l17753-21diskstats20:45:120
111391240,1ptp4l11151-21fw_forwarded_lo19:20:120
111391240,0ptp4l0-21swapper/623:49:306
111391240,0ptp4l0-21swapper/523:40:185
111391240,0ptp4l0-21swapper/522:45:145
111391240,0ptp4l0-21swapper/522:24:435
111391240,0ptp4l0-21swapper/519:40:205
111391240,0ptp4l0-21swapper/423:33:144
111391240,0ptp4l0-21swapper/422:20:144
111391240,0ptp4l0-21swapper/422:17:374
111391240,0ptp4l0-21swapper/420:45:214
111391240,0ptp4l0-21swapper/419:40:124
111391240,0ptp4l0-21swapper/400:17:064
111391240,0ptp4l0-21swapper/122:20:101
111391240,0ptp4l0-21swapper/121:49:071
111391240,0ptp4l0-21swapper/121:34:361
111391240,0ptp4l0-21swapper/119:30:131
111391240,0ptp4l0-21swapper/100:25:511
111391240,0ptp4l0-21swapper/023:50:120
111391240,0ptp4l0-21swapper/023:29:330
111391240,0ptp4l0-21swapper/021:10:520
111391240,0ptp4l0-21swapper/021:05:160
111391240,0ptp4l0-21swapper/020:12:270
111391240,0ptp4l0-21swapper/000:02:130
111391230,1ptp4l9075-21fw_conntrack00:30:150
111391230,1ptp4l3648-21sh00:21:422
111391230,1ptp4l27323-21grep00:10:093
111391230,1ptp4l25717-21smart_sda19:50:194
111391230,1ptp4l22357-21fw_forwarded_lo20:55:130
111391230,1ptp4l15672-21sed22:20:180
111391230,1ptp4l11488-21irqrtprio22:15:155
111391230,0ptp4l0-21swapper/700:17:347
111391230,0ptp4l0-21swapper/523:45:125
111391230,0ptp4l0-21swapper/521:56:405
111391230,0ptp4l0-21swapper/521:45:175
111391230,0ptp4l0-21swapper/521:40:165
111391230,0ptp4l0-21swapper/521:30:155
111391230,0ptp4l0-21swapper/520:30:205
111391230,0ptp4l0-21swapper/520:30:195
111391230,0ptp4l0-21swapper/519:30:005
111391230,0ptp4l0-21swapper/423:15:164
111391230,0ptp4l0-21swapper/422:50:134
111391230,0ptp4l0-21swapper/422:41:454
111391230,0ptp4l0-21swapper/422:03:404
111391230,0ptp4l0-21swapper/421:55:154
111391230,0ptp4l0-21swapper/421:45:024
111391230,0ptp4l0-21swapper/421:32:504
111391230,0ptp4l0-21swapper/421:00:234
111391230,0ptp4l0-21swapper/420:55:154
111391230,0ptp4l0-21swapper/420:20:154
111391230,0ptp4l0-21swapper/419:34:594
111391230,0ptp4l0-21swapper/400:30:164
111391230,0ptp4l0-21swapper/400:14:284
111391230,0ptp4l0-21swapper/400:05:134
111391230,0ptp4l0-21swapper/222:30:132
111391230,0ptp4l0-21swapper/123:40:111
111391230,0ptp4l0-21swapper/123:37:521
111391230,0ptp4l0-21swapper/123:05:161
111391230,0ptp4l0-21swapper/123:05:161
111391230,0ptp4l0-21swapper/122:45:171
111391230,0ptp4l0-21swapper/122:15:161
111391230,0ptp4l0-21swapper/122:10:201
111391230,0ptp4l0-21swapper/121:54:081
111391230,0ptp4l0-21swapper/120:50:121
111391230,0ptp4l0-21swapper/120:35:131
111391230,0ptp4l0-21swapper/120:25:231
111391230,0ptp4l0-21swapper/120:15:201
111391230,0ptp4l0-21swapper/119:10:121
111391230,0ptp4l0-21swapper/100:15:181
111391230,0ptp4l0-21swapper/023:55:190
111391230,0ptp4l0-21swapper/023:45:180
111391230,0ptp4l0-21swapper/023:37:300
111391230,0ptp4l0-21swapper/023:20:140
111391230,0ptp4l0-21swapper/023:07:470
111391230,0ptp4l0-21swapper/023:07:470
111391230,0ptp4l0-21swapper/022:40:170
111391230,0ptp4l0-21swapper/022:10:480
111391230,0ptp4l0-21swapper/022:00:220
111391230,0ptp4l0-21swapper/021:49:270
111391230,0ptp4l0-21swapper/021:25:230
111391230,0ptp4l0-21swapper/020:30:210
111391230,0ptp4l0-21swapper/020:30:210
111391230,0ptp4l0-21swapper/020:05:130
111391230,0ptp4l0-21swapper/020:00:130
111391230,0ptp4l0-21swapper/019:40:140
111391230,0ptp4l0-21swapper/019:35:130
111391230,0ptp4l0-21swapper/019:15:140
111391230,0ptp4l0-21swapper/019:10:200
111391220,0ptp4l0-21swapper/700:10:167
111391220,0ptp4l0-21swapper/700:07:347
111391220,0ptp4l0-21swapper/623:30:126
111391220,0ptp4l0-21swapper/621:15:046
111391220,0ptp4l0-21swapper/600:27:516
111391220,0ptp4l0-21swapper/600:21:486
111391220,0ptp4l0-21swapper/523:14:265
111391220,0ptp4l0-21swapper/523:14:265
111391220,0ptp4l0-21swapper/523:04:405
111391220,0ptp4l0-21swapper/522:53:135
111391220,0ptp4l0-21swapper/522:28:445
111391220,0ptp4l0-21swapper/522:07:185
111391220,0ptp4l0-21swapper/521:35:135
111391220,0ptp4l0-21swapper/521:22:065
111391220,0ptp4l0-21swapper/521:16:345
111391220,0ptp4l0-21swapper/520:15:125
111391220,0ptp4l0-21swapper/519:55:175
111391220,0ptp4l0-21swapper/519:10:135
111391220,0ptp4l0-21swapper/500:20:175
111391220,0ptp4l0-21swapper/500:15:185
111391220,0ptp4l0-21swapper/500:13:425
111391220,0ptp4l0-21swapper/500:00:195
111391220,0ptp4l0-21swapper/422:10:154
111391220,0ptp4l0-21swapper/421:28:214
111391220,0ptp4l0-21swapper/421:10:134
111391220,0ptp4l0-21swapper/420:10:134
111391220,0ptp4l0-21swapper/420:05:144
111391220,0ptp4l0-21swapper/419:59:564
111391220,0ptp4l0-21swapper/419:35:114
111391220,0ptp4l0-21swapper/419:15:174
111391220,0ptp4l0-21swapper/322:56:573
111391220,0ptp4l0-21swapper/223:49:322
111391220,0ptp4l0-21swapper/223:30:122
111391220,0ptp4l0-21swapper/222:16:082
111391220,0ptp4l0-21swapper/200:19:412
111391220,0ptp4l0-21swapper/123:31:191
111391220,0ptp4l0-21swapper/123:27:171
111391220,0ptp4l0-21swapper/122:36:091
111391220,0ptp4l0-21swapper/121:55:161
111391220,0ptp4l0-21swapper/121:40:151
111391220,0ptp4l0-21swapper/121:20:121
111391220,0ptp4l0-21swapper/121:12:381
111391220,0ptp4l0-21swapper/120:14:461
111391220,0ptp4l0-21swapper/119:40:181
111391220,0ptp4l0-21swapper/100:37:281
111391220,0ptp4l0-21swapper/100:14:191
111391220,0ptp4l0-21swapper/100:05:321
111391220,0ptp4l0-21swapper/100:00:201
111391220,0ptp4l0-21swapper/023:00:130
111391220,0ptp4l0-21swapper/022:05:120
111391220,0ptp4l0-21swapper/021:55:140
111391220,0ptp4l0-21swapper/021:50:120
111391220,0ptp4l0-21swapper/021:37:150
111391220,0ptp4l0-21swapper/021:20:170
111391220,0ptp4l0-21swapper/021:00:190
111391220,0ptp4l0-21swapper/020:27:000
111391220,0ptp4l0-21swapper/019:50:140
111391220,0ptp4l0-21swapper/019:25:200
111391220,0ptp4l0-21swapper/000:25:000
111391220,0ptp4l0-21swapper/000:21:300
111391220,0ptp4l0-21swapper/000:15:060
111391220,0ptp4l0-21swapper/000:13:140
242132210,1sleep557-21ksoftirqd/521:00:015
111391210,1ptp4l7371-21pgrep19:12:144
111391210,0ptp4l28576-21diskmemload00:33:011
111391210,0ptp4l28576-21diskmemload00:31:143
111391210,0ptp4l0-21swapper/700:23:527
111391210,0ptp4l0-21swapper/621:51:016
111391210,0ptp4l0-21swapper/600:19:396
111391210,0ptp4l0-21swapper/523:38:245
111391210,0ptp4l0-21swapper/523:31:025
111391210,0ptp4l0-21swapper/521:53:485
111391210,0ptp4l0-21swapper/521:27:165
111391210,0ptp4l0-21swapper/521:12:335
111391210,0ptp4l0-21swapper/520:50:195
111391210,0ptp4l0-21swapper/520:42:175
111391210,0ptp4l0-21swapper/500:37:565
111391210,0ptp4l0-21swapper/500:05:365
111391210,0ptp4l0-21swapper/420:00:194
111391210,0ptp4l0-21swapper/419:45:154
111391210,0ptp4l0-21swapper/323:05:583
111391210,0ptp4l0-21swapper/323:05:573
111391210,0ptp4l0-21swapper/319:20:393
111391210,0ptp4l0-21swapper/300:24:023
111391210,0ptp4l0-21swapper/300:09:403
111391210,0ptp4l0-21swapper/221:22:332
111391210,0ptp4l0-21swapper/200:36:502
111391210,0ptp4l0-21swapper/200:34:502
111391210,0ptp4l0-21swapper/123:58:001
111391210,0ptp4l0-21swapper/123:46:021
111391210,0ptp4l0-21swapper/123:10:591
111391210,0ptp4l0-21swapper/123:10:591
111391210,0ptp4l0-21swapper/123:01:521
111391210,0ptp4l0-21swapper/122:52:431
111391210,0ptp4l0-21swapper/122:40:511
111391210,0ptp4l0-21swapper/122:28:241
111391210,0ptp4l0-21swapper/122:07:161
111391210,0ptp4l0-21swapper/121:27:061
111391210,0ptp4l0-21swapper/121:17:151
111391210,0ptp4l0-21swapper/119:55:141
111391210,0ptp4l0-21swapper/022:16:050
111391210,0ptp4l0-21swapper/020:50:330
111391210,0ptp4l0-21swapper/020:36:000
111391210,0ptp4l0-21swapper/000:05:120
111391200,0ptp4l0-21swapper/723:05:587
111391200,0ptp4l0-21swapper/723:05:587
111391200,0ptp4l0-21swapper/721:53:117
111391200,0ptp4l0-21swapper/720:46:147
111391200,0ptp4l0-21swapper/622:25:006
111391200,0ptp4l0-21swapper/619:22:366
111391200,0ptp4l0-21swapper/600:34:486
111391200,0ptp4l0-21swapper/523:50:055
111391200,0ptp4l0-21swapper/523:25:575
111391200,0ptp4l0-21swapper/523:15:555
111391200,0ptp4l0-21swapper/522:59:405
111391200,0ptp4l0-21swapper/522:40:435
111391200,0ptp4l0-21swapper/522:37:395
111391200,0ptp4l0-21swapper/520:49:115
111391200,0ptp4l0-21swapper/500:34:315
111391200,0ptp4l0-21swapper/420:51:364
111391200,0ptp4l0-21swapper/420:35:094
111391200,0ptp4l0-21swapper/420:15:384
111391200,0ptp4l0-21swapper/321:12:263
111391200,0ptp4l0-21swapper/300:02:583
111391200,0ptp4l0-21swapper/222:50:062
111391200,0ptp4l0-21swapper/222:46:062
111391200,0ptp4l0-21swapper/222:44:362
111391200,0ptp4l0-21swapper/221:57:012
111391200,0ptp4l0-21swapper/221:50:322
111391200,0ptp4l0-21swapper/200:27:472
111391200,0ptp4l0-21swapper/122:59:371
111391200,0ptp4l0-21swapper/120:58:151
111391200,0ptp4l0-21swapper/120:41:451
111391200,0ptp4l0-21swapper/120:31:091
111391200,0ptp4l0-21swapper/120:31:081
111391200,0ptp4l0-21swapper/119:38:141
111391200,0ptp4l0-21swapper/019:56:040
111391190,0ptp4l28576-21diskmemload23:56:042
111391190,0ptp4l28576-21diskmemload00:05:592
111391190,0ptp4l0-21swapper/700:03:137
111391190,0ptp4l0-21swapper/621:58:116
111391190,0ptp4l0-21swapper/621:22:316
111391190,0ptp4l0-21swapper/523:57:595
111391190,0ptp4l0-21swapper/520:24:145
111391190,0ptp4l0-21swapper/520:14:475
111391190,0ptp4l0-21swapper/520:07:355
111391190,0ptp4l0-21swapper/300:17:513
111391190,0ptp4l0-21swapper/221:42:142
111391190,0ptp4l0-21swapper/221:32:522
111391190,0ptp4l0-21swapper/123:53:171
111391190,0ptp4l0-21swapper/123:16:341
111391190,0ptp4l0-21swapper/120:48:151
226862180,1sleep665-21ksoftirqd/600:02:256
111391180,0ptp4l0-21swapper/623:00:276
111391180,0ptp4l0-21swapper/622:55:266
111391180,0ptp4l0-21swapper/622:50:066
111391180,0ptp4l0-21swapper/621:48:036
111391180,0ptp4l0-21swapper/621:42:096
111391180,0ptp4l0-21swapper/600:06:006
111391180,0ptp4l0-21swapper/519:29:235
111391180,0ptp4l0-21swapper/223:13:542
111391180,0ptp4l0-21swapper/223:13:542
111391180,0ptp4l0-21swapper/223:00:282
111391180,0ptp4l0-21swapper/221:36:032
111391180,0ptp4l0-21swapper/221:15:002
111391180,0ptp4l0-21swapper/200:04:512
111391180,0ptp4l0-21swapper/120:25:001
111391180,0ptp4l0-21swapper/119:52:231
111391170,1ptp4l18691-21ssh23:56:036
111391170,0ptp4l0-21swapper/719:56:337
111391170,0ptp4l0-21swapper/622:46:076
111391170,0ptp4l0-21swapper/519:47:385
111391170,0ptp4l0-21swapper/519:37:565
111391170,0ptp4l0-21swapper/222:02:292
111391170,0ptp4l0-21swapper/219:22:372
111391170,0ptp4l0-21swapper/123:23:081
111391170,0ptp4l0-21swapper/121:00:111
111391170,0ptp4l0-21swapper/020:15:210
5516991612,3cyclictest12645-21runrttasks19:23:287
111391160,1ptp4l33-21ksoftirqd/221:00:522
111391160,0ptp4l0-21swapper/623:18:556
111391160,0ptp4l0-21swapper/623:14:576
111391160,0ptp4l0-21swapper/623:14:576
111391160,0ptp4l0-21swapper/523:23:085
111391160,0ptp4l0-21swapper/521:04:175
111391160,0ptp4l0-21swapper/519:15:515
111391160,0ptp4l0-21swapper/320:46:303
111391160,0ptp4l0-21swapper/223:18:532
111391160,0ptp4l0-21swapper/221:28:472
111391160,0ptp4l0-21swapper/221:15:022
111391160,0ptp4l0-21swapper/219:59:382
111391160,0ptp4l0-21swapper/121:07:401
111391160,0ptp4l0-21swapper/120:09:211
111391160,0ptp4l0-21swapper/120:02:551
111391160,0ptp4l0-21swapper/119:45:311
111391160,0ptp4l0-21swapper/119:26:271
111391160,0ptp4l0-21swapper/119:15:381
111391160,0ptp4l0-21swapper/019:34:270
111391150,0ptp4l0-21swapper/621:09:486
111391150,0ptp4l0-21swapper/621:04:406
111391150,0ptp4l0-21swapper/620:58:396
111391150,0ptp4l0-21swapper/619:59:446
111391150,0ptp4l0-21swapper/619:43:236
111391150,0ptp4l0-21swapper/619:18:456
111391150,0ptp4l0-21swapper/521:07:415
111391150,0ptp4l0-21swapper/520:00:345
111391150,0ptp4l0-21swapper/519:50:025
111391150,0ptp4l0-21swapper/420:25:024
111391150,0ptp4l0-21swapper/321:53:103
111391150,0ptp4l0-21swapper/319:56:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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