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2026-08-09 - 11:25

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 Sun Aug 09, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
274502610,0sleep30-21swapper/300:35:003
111391610,5ptp4l0-21swapper/419:05:094
111391600,29ptp4l0-21swapper/119:08:001
111391600,14ptp4l0-21swapper/019:05:120
157602570,0sleep60-21swapper/600:19:096
1442225633,7sleep50-21swapper/519:08:145
1265425645,6sleep20-21swapper/219:05:062
28992550,0sleep00-21swapper/021:49:230
173212550,0sleep10-21swapper/100:20:171
1440625432,7sleep70-21swapper/719:07:597
1419724735,7sleep30-21swapper/319:05:233
1438724534,7sleep60-21swapper/619:07:436
111391330,0ptp4l0-21swapper/023:00:180
111391320,0ptp4l0-21swapper/423:15:164
111391320,0ptp4l0-21swapper/021:35:180
111391320,0ptp4l0-21swapper/000:07:170
111391310,0ptp4l0-21swapper/422:46:404
111391310,0ptp4l0-21swapper/400:17:244
111391310,0ptp4l0-21swapper/023:39:270
111391300,0ptp4l0-21swapper/421:30:174
111391300,0ptp4l0-21swapper/023:24:450
111391300,0ptp4l0-21swapper/022:46:090
111391300,0ptp4l0-21swapper/022:05:050
111391290,0ptp4l0-21swapper/422:58:514
111391290,0ptp4l0-21swapper/421:50:534
111391290,0ptp4l0-21swapper/421:23:274
111391290,0ptp4l0-21swapper/400:29:344
111391290,0ptp4l0-21swapper/121:47:261
111391290,0ptp4l0-21swapper/100:04:071
111391290,0ptp4l0-21swapper/023:29:410
111391290,0ptp4l0-21swapper/020:40:130
111391290,0ptp4l0-21swapper/000:01:450
111391280,3ptp4l0-21swapper/023:08:300
111391280,2ptp4l0-21swapper/022:02:540
111391280,1ptp4l0-21swapper/400:39:354
111391280,0ptp4l0-21swapper/423:58:144
111391280,0ptp4l0-21swapper/423:13:554
111391280,0ptp4l0-21swapper/423:08:134
111391280,0ptp4l0-21swapper/422:42:024
111391280,0ptp4l0-21swapper/422:18:094
111391280,0ptp4l0-21swapper/422:18:094
111391280,0ptp4l0-21swapper/421:38:384
111391280,0ptp4l0-21swapper/122:34:061
111391280,0ptp4l0-21swapper/121:32:351
111391280,0ptp4l0-21swapper/100:37:181
111391280,0ptp4l0-21swapper/023:54:120
111391280,0ptp4l0-21swapper/023:48:010
111391280,0ptp4l0-21swapper/022:35:180
111391280,0ptp4l0-21swapper/022:21:490
111391280,0ptp4l0-21swapper/020:35:140
111391280,0ptp4l0-21swapper/000:35:390
111391270,0ptp4l0-21swapper/423:31:304
111391270,0ptp4l0-21swapper/422:54:104
111391270,0ptp4l0-21swapper/422:07:294
111391270,0ptp4l0-21swapper/420:00:154
111391270,0ptp4l0-21swapper/400:11:174
111391270,0ptp4l0-21swapper/123:11:531
111391270,0ptp4l0-21swapper/121:56:311
111391270,0ptp4l0-21swapper/100:28:411
111391270,0ptp4l0-21swapper/023:32:000
111391270,0ptp4l0-21swapper/023:18:470
111391270,0ptp4l0-21swapper/022:56:020
111391270,0ptp4l0-21swapper/022:50:160
111391270,0ptp4l0-21swapper/021:51:450
111391270,0ptp4l0-21swapper/020:15:200
111391270,0ptp4l0-21swapper/020:10:210
111391270,0ptp4l0-21swapper/000:25:560
111391260,2ptp4l111rcuc/000:14:070
111391260,1ptp4l22785-21ssh23:44:070
111391260,0ptp4l0-21swapper/522:17:415
111391260,0ptp4l0-21swapper/522:17:415
111391260,0ptp4l0-21swapper/423:01:254
111391260,0ptp4l0-21swapper/421:25:454
111391260,0ptp4l0-21swapper/421:10:034
111391260,0ptp4l0-21swapper/420:10:014
111391260,0ptp4l0-21swapper/400:20:474
111391260,0ptp4l0-21swapper/323:41:223
111391260,0ptp4l0-21swapper/121:18:351
111391260,0ptp4l0-21swapper/022:42:340
111391260,0ptp4l0-21swapper/022:10:150
111391260,0ptp4l0-21swapper/021:18:200
111391260,0ptp4l0-21swapper/020:30:190
111391260,0ptp4l0-21swapper/020:25:120
111391260,0ptp4l0-21swapper/000:18:090
111391250,1ptp4l0-21swapper/523:33:365
111391250,1ptp4l0-21swapper/023:58:480
111391250,0ptp4l0-21swapper/622:16:536
111391250,0ptp4l0-21swapper/622:16:536
111391250,0ptp4l0-21swapper/519:15:005
111391250,0ptp4l0-21swapper/500:28:335
111391250,0ptp4l0-21swapper/423:50:064
111391250,0ptp4l0-21swapper/422:37:574
111391250,0ptp4l0-21swapper/421:05:104
111391250,0ptp4l0-21swapper/400:06:184
111391250,0ptp4l0-21swapper/123:51:061
111391250,0ptp4l0-21swapper/123:45:571
111391250,0ptp4l0-21swapper/122:05:541
111391250,0ptp4l0-21swapper/020:55:120
111391250,0ptp4l0-21swapper/020:00:190
111391240,1ptp4l9945-21switchtime23:25:184
111391240,1ptp4l9607-21sensors_temp20:05:191
111391240,1ptp4l7961-21cut22:40:011
111391240,1ptp4l32634-21awk19:45:184
111391240,1ptp4l30003-21cat20:50:170
111391240,1ptp4l26090-21users20:40:205
111391240,1ptp4l25480-21netstat20:40:164
111391240,1ptp4l21933-21missed_timers21:30:160
111391240,1ptp4l15921-21ssh22:50:131
111391240,1ptp4l10161-21ssh21:58:444
111391240,0ptp4l0-21swapper/522:50:125
111391240,0ptp4l0-21swapper/522:05:305
111391240,0ptp4l0-21swapper/522:00:195
111391240,0ptp4l0-21swapper/521:15:005
111391240,0ptp4l0-21swapper/423:40:054
111391240,0ptp4l0-21swapper/423:22:234
111391240,0ptp4l0-21swapper/422:34:394
111391240,0ptp4l0-21swapper/422:24:444
111391240,0ptp4l0-21swapper/422:03:004
111391240,0ptp4l0-21swapper/421:45:144
111391240,0ptp4l0-21swapper/400:32:254
111391240,0ptp4l0-21swapper/122:48:451
111391240,0ptp4l0-21swapper/122:17:081
111391240,0ptp4l0-21swapper/122:17:081
111391240,0ptp4l0-21swapper/023:12:420
111391240,0ptp4l0-21swapper/021:25:210
111391240,0ptp4l0-21swapper/019:35:000
111391240,0ptp4l0-21swapper/000:20:130
41622230,0sleep30-21swapper/319:55:123
1485199230,4cyclictest0-21swapper/422:11:194
111391230,1ptp4l8699-21ssh21:13:021
111391230,1ptp4l65-21ksoftirqd/600:11:526
111391230,1ptp4l2631-21processes19:50:194
111391230,1ptp4l15287-21users21:20:220
111391230,0ptp4l3334-21smartctl00:00:204
111391230,0ptp4l2143-21memory21:00:174
111391230,0ptp4l0-21swapper/523:55:155
111391230,0ptp4l0-21swapper/523:45:335
111391230,0ptp4l0-21swapper/523:35:145
111391230,0ptp4l0-21swapper/522:34:095
111391230,0ptp4l0-21swapper/521:50:135
111391230,0ptp4l0-21swapper/521:31:205
111391230,0ptp4l0-21swapper/520:05:205
111391230,0ptp4l0-21swapper/519:20:135
111391230,0ptp4l0-21swapper/423:45:204
111391230,0ptp4l0-21swapper/423:36:154
111391230,0ptp4l0-21swapper/422:29:484
111391230,0ptp4l0-21swapper/421:15:114
111391230,0ptp4l0-21swapper/420:55:124
111391230,0ptp4l0-21swapper/420:35:154
111391230,0ptp4l0-21swapper/420:30:174
111391230,0ptp4l0-21swapper/420:25:144
111391230,0ptp4l0-21swapper/420:20:144
111391230,0ptp4l0-21swapper/420:05:144
111391230,0ptp4l0-21swapper/419:55:204
111391230,0ptp4l0-21swapper/419:30:184
111391230,0ptp4l0-21swapper/419:15:204
111391230,0ptp4l0-21swapper/221:20:092
111391230,0ptp4l0-21swapper/123:35:051
111391230,0ptp4l0-21swapper/122:25:141
111391230,0ptp4l0-21swapper/121:40:161
111391230,0ptp4l0-21swapper/121:00:001
111391230,0ptp4l0-21swapper/120:19:431
111391230,0ptp4l0-21swapper/119:40:411
111391230,0ptp4l0-21swapper/119:40:401
111391230,0ptp4l0-21swapper/022:30:150
111391230,0ptp4l0-21swapper/021:56:160
111391230,0ptp4l0-21swapper/021:11:180
111391230,0ptp4l0-21swapper/021:05:120
111391230,0ptp4l0-21swapper/020:45:130
111391230,0ptp4l0-21swapper/019:50:160
111391230,0ptp4l0-21swapper/019:35:160
111391230,0ptp4l0-21swapper/019:25:170
111391230,0ptp4l0-21swapper/019:15:120
111391230,0ptp4l0-21swapper/000:30:110
111391220,1ptp4l31399-21ssh22:26:050
111391220,0ptp4l0-21swapper/700:33:597
111391220,0ptp4l0-21swapper/621:47:426
111391220,0ptp4l0-21swapper/621:20:016
111391220,0ptp4l0-21swapper/620:30:016
111391220,0ptp4l0-21swapper/523:52:135
111391220,0ptp4l0-21swapper/523:42:565
111391220,0ptp4l0-21swapper/523:20:525
111391220,0ptp4l0-21swapper/523:10:115
111391220,0ptp4l0-21swapper/523:06:135
111391220,0ptp4l0-21swapper/522:57:015
111391220,0ptp4l0-21swapper/522:45:515
111391220,0ptp4l0-21swapper/522:40:015
111391220,0ptp4l0-21swapper/522:25:235
111391220,0ptp4l0-21swapper/521:49:155
111391220,0ptp4l0-21swapper/521:40:135
111391220,0ptp4l0-21swapper/521:36:495
111391220,0ptp4l0-21swapper/521:26:315
111391220,0ptp4l0-21swapper/521:17:335
111391220,0ptp4l0-21swapper/520:55:205
111391220,0ptp4l0-21swapper/519:40:195
111391220,0ptp4l0-21swapper/519:40:195
111391220,0ptp4l0-21swapper/519:35:135
111391220,0ptp4l0-21swapper/500:38:325
111391220,0ptp4l0-21swapper/500:30:225
111391220,0ptp4l0-21swapper/500:10:175
111391220,0ptp4l0-21swapper/500:01:315
111391220,0ptp4l0-21swapper/421:42:294
111391220,0ptp4l0-21swapper/420:50:144
111391220,0ptp4l0-21swapper/420:45:124
111391220,0ptp4l0-21swapper/420:15:164
111391220,0ptp4l0-21swapper/419:35:174
111391220,0ptp4l0-21swapper/419:25:154
111391220,0ptp4l0-21swapper/419:24:524
111391220,0ptp4l0-21swapper/419:10:014
111391220,0ptp4l0-21swapper/323:01:373
111391220,0ptp4l0-21swapper/300:13:063
111391220,0ptp4l0-21swapper/200:25:222
111391220,0ptp4l0-21swapper/123:55:131
111391220,0ptp4l0-21swapper/123:42:341
111391220,0ptp4l0-21swapper/123:30:141
111391220,0ptp4l0-21swapper/123:26:301
111391220,0ptp4l0-21swapper/123:05:141
111391220,0ptp4l0-21swapper/123:04:591
111391220,0ptp4l0-21swapper/122:40:211
111391220,0ptp4l0-21swapper/122:22:451
111391220,0ptp4l0-21swapper/122:10:341
111391220,0ptp4l0-21swapper/122:00:151
111391220,0ptp4l0-21swapper/121:50:111
111391220,0ptp4l0-21swapper/121:38:181
111391220,0ptp4l0-21swapper/121:28:051
111391220,0ptp4l0-21swapper/121:22:131
111391220,0ptp4l0-21swapper/121:05:131
111391220,0ptp4l0-21swapper/121:00:121
111391220,0ptp4l0-21swapper/119:57:291
111391220,0ptp4l0-21swapper/119:35:131
111391220,0ptp4l0-21swapper/119:30:111
111391220,0ptp4l0-21swapper/119:20:121
111391220,0ptp4l0-21swapper/100:30:211
111391220,0ptp4l0-21swapper/100:16:381
111391220,0ptp4l0-21swapper/100:10:191
111391220,0ptp4l0-21swapper/022:15:140
111391220,0ptp4l0-21swapper/022:15:140
111391220,0ptp4l0-21swapper/021:40:000
111391220,0ptp4l0-21swapper/021:00:160
111391220,0ptp4l0-21swapper/020:20:150
111391220,0ptp4l0-21swapper/019:45:190
111391220,0ptp4l0-21swapper/019:10:220
111391210,0ptp4l0-21swapper/723:41:177
111391210,0ptp4l0-21swapper/723:01:327
111391210,0ptp4l0-21swapper/623:48:156
111391210,0ptp4l0-21swapper/623:01:076
111391210,0ptp4l0-21swapper/621:51:326
111391210,0ptp4l0-21swapper/523:25:415
111391210,0ptp4l0-21swapper/523:16:195
111391210,0ptp4l0-21swapper/522:22:435
111391210,0ptp4l0-21swapper/522:10:335
111391210,0ptp4l0-21swapper/521:57:475
111391210,0ptp4l0-21swapper/521:21:145
111391210,0ptp4l0-21swapper/521:05:145
111391210,0ptp4l0-21swapper/520:48:325
111391210,0ptp4l0-21swapper/500:20:095
111391210,0ptp4l0-21swapper/419:40:014
111391210,0ptp4l0-21swapper/419:40:004
111391210,0ptp4l0-21swapper/223:48:092
111391210,0ptp4l0-21swapper/223:29:502
111391210,0ptp4l0-21swapper/223:16:262
111391210,0ptp4l0-21swapper/223:02:002
111391210,0ptp4l0-21swapper/222:16:542
111391210,0ptp4l0-21swapper/222:16:542
111391210,0ptp4l0-21swapper/221:47:412
111391210,0ptp4l0-21swapper/221:38:142
111391210,0ptp4l0-21swapper/200:14:362
111391210,0ptp4l0-21swapper/123:21:441
111391210,0ptp4l0-21swapper/123:15:541
111391210,0ptp4l0-21swapper/122:57:011
111391210,0ptp4l0-21swapper/120:50:301
111391210,0ptp4l0-21swapper/120:10:131
111391210,0ptp4l0-21swapper/120:04:291
111391210,0ptp4l0-21swapper/119:50:011
111391210,0ptp4l0-21swapper/119:48:561
111391210,0ptp4l0-21swapper/119:25:241
111391210,0ptp4l0-21swapper/119:18:131
111391210,0ptp4l0-21swapper/020:05:120
111391210,0ptp4l0-21swapper/019:57:130
111391200,0ptp4l0-21swapper/623:16:286
111391200,0ptp4l0-21swapper/619:26:136
111391200,0ptp4l0-21swapper/600:25:236
111391200,0ptp4l0-21swapper/523:04:055
111391200,0ptp4l0-21swapper/522:39:215
111391200,0ptp4l0-21swapper/520:21:305
111391200,0ptp4l0-21swapper/519:59:085
111391200,0ptp4l0-21swapper/519:30:115
111391200,0ptp4l0-21swapper/500:16:455
111391200,0ptp4l0-21swapper/222:53:252
111391200,0ptp4l0-21swapper/221:51:342
111391200,0ptp4l0-21swapper/221:19:592
111391200,0ptp4l0-21swapper/200:24:142
111391200,0ptp4l0-21swapper/120:47:411
111391200,0ptp4l0-21swapper/120:42:301
111391200,0ptp4l0-21swapper/120:37:301
111391200,0ptp4l0-21swapper/019:41:060
111391200,0ptp4l0-21swapper/019:41:060
111391190,0ptp4l41-21ksoftirqd/321:40:393
111391190,0ptp4l0-21swapper/622:53:256
111391190,0ptp4l0-21swapper/520:36:355
111391190,0ptp4l0-21swapper/520:19:325
111391190,0ptp4l0-21swapper/223:42:372
111391190,0ptp4l0-21swapper/223:24:332
111391190,0ptp4l0-21swapper/222:24:272
111391180,0ptp4l0-21swapper/719:22:027
111391180,0ptp4l0-21swapper/219:27:192
111391180,0ptp4l0-21swapper/120:21:571
111391170,2ptp4l0-21swapper/120:26:401
111391170,0ptp4l0-21swapper/623:29:436
111391170,0ptp4l0-21swapper/520:13:105
111391170,0ptp4l0-21swapper/519:47:285
172332160,0sleep6641ktimersoftd/623:35:196
111391160,0ptp4l0-21swapper/721:40:407
111391160,0ptp4l0-21swapper/622:24:276
111391160,0ptp4l0-21swapper/600:06:506
111391160,0ptp4l0-21swapper/119:12:101
111391160,0ptp4l0-21swapper/100:10:001
111391160,0ptp4l0-21swapper/019:20:090
1486699150,1cyclictest0-21swapper/619:15:156
111391150,0ptp4l0-21swapper/721:08:077
111391150,0ptp4l0-21swapper/721:04:267
111391150,0ptp4l0-21swapper/623:42:366
111391150,0ptp4l0-21swapper/623:24:316
111391150,0ptp4l0-21swapper/621:07:026
111391150,0ptp4l0-21swapper/620:59:006
111391150,0ptp4l0-21swapper/619:56:396
111391150,0ptp4l0-21swapper/619:38:106
111391150,0ptp4l0-21swapper/619:11:196
111391150,0ptp4l0-21swapper/521:00:145
111391150,0ptp4l0-21swapper/520:50:375
111391150,0ptp4l0-21swapper/520:25:425
111391150,0ptp4l0-21swapper/520:04:255
111391150,0ptp4l0-21swapper/519:51:145
111391150,0ptp4l0-21swapper/519:25:255
111391150,0ptp4l0-21swapper/519:17:575
111391150,0ptp4l0-21swapper/319:21:503
111391150,0ptp4l0-21swapper/221:41:022
111391150,0ptp4l0-21swapper/221:07:132
111391150,0ptp4l0-21swapper/220:38:202
111391150,0ptp4l0-21swapper/220:30:032
111391150,0ptp4l0-21swapper/219:35:372
111391150,0ptp4l0-21swapper/219:31:222
111391150,0ptp4l0-21swapper/219:11:272
111391140,0ptp4l0-21swapper/621:38:146
111391140,0ptp4l0-21swapper/620:29:566
111391140,0ptp4l0-21swapper/620:08:176
111391140,0ptp4l0-21swapper/600:24:156
111391140,0ptp4l0-21swapper/321:08:053
111391140,0ptp4l0-21swapper/321:04:263
111391140,0ptp4l0-21swapper/320:36:293
111391140,0ptp4l0-21swapper/220:59:022
111391140,0ptp4l0-21swapper/220:29:582
111391140,0ptp4l0-21swapper/220:08:172
111391140,0ptp4l0-21swapper/220:02:152
111391140,0ptp4l0-21swapper/219:56:372
1485899131,3cyclictest57-21ksoftirqd/500:08:055
1486699119,1cyclictest0-21swapper/600:31:226
1483899110,10cyclictest0-21swapper/223:59:542
1487299100,0cyclictest0-21swapper/722:45:197
1486699109,0cyclictest0-21swapper/622:34:276
1486699100,9cyclictest0-21swapper/622:29:256
1486699100,9cyclictest0-21swapper/622:14:206
1486699100,9cyclictest0-21swapper/622:09:286
1486699100,9cyclictest0-21swapper/622:03:486
1484499109,0cyclictest0-21swapper/322:02:053
1484499108,1cyclictest0-21swapper/321:32:323
1484499108,1cyclictest0-21swapper/300:15:213
1484499100,0cyclictest0-21swapper/321:50:083
1483899108,1cyclictest0-21swapper/222:29:222
1483899100,9cyclictest0-21swapper/222:09:262
1483899100,9cyclictest0-21swapper/221:57:572
1483899100,9cyclictest0-21swapper/200:37:552
148729998,0cyclictest0-21swapper/722:22:327
148729990,8cyclictest0-21swapper/723:56:407
148729990,8cyclictest0-21swapper/700:18:127
148729990,1cyclictest0-21swapper/721:55:127
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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