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2026-03-30 - 06:52

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 Mar 30, 2026 00:46:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391620,6ptp4l0-21swapper/119:05:541
111391620,5ptp4l0-21swapper/219:08:532
111391620,31ptp4l0-21swapper/019:06:030
302262600,0sleep40-21swapper/421:20:004
111391600,28ptp4l0-21swapper/619:06:256
111391590,5ptp4l0-21swapper/519:05:035
196132580,2sleep23197199cyclictest21:00:202
111391580,5ptp4l0-21swapper/419:09:554
1881915634,7phc2sys0-21swapper/319:09:153
3167724938,6sleep70-21swapper/719:09:497
111391320,0ptp4l0-21swapper/521:31:435
111391320,0ptp4l0-21swapper/022:28:250
298872310,0sleep60-21swapper/623:35:166
111391310,0ptp4l0-21swapper/523:17:395
111391300,0ptp4l0-21swapper/523:44:335
111391300,0ptp4l0-21swapper/521:50:125
111391300,0ptp4l0-21swapper/520:30:005
111391300,0ptp4l0-21swapper/400:32:534
111391300,0ptp4l0-21swapper/122:55:151
31992992927,0cyclictest0-21swapper/519:37:055
111391290,0ptp4l0-21swapper/600:10:006
111391290,0ptp4l0-21swapper/522:05:135
111391290,0ptp4l0-21swapper/521:19:205
111391290,0ptp4l0-21swapper/500:36:495
111391290,0ptp4l0-21swapper/500:36:495
111391290,0ptp4l0-21swapper/122:38:061
111391290,0ptp4l0-21swapper/000:15:160
111391280,0ptp4l0-21swapper/523:26:015
111391280,0ptp4l0-21swapper/522:52:425
111391280,0ptp4l0-21swapper/522:45:025
111391280,0ptp4l0-21swapper/522:01:055
111391280,0ptp4l0-21swapper/522:01:055
111391280,0ptp4l0-21swapper/521:40:145
111391280,0ptp4l0-21swapper/521:29:015
111391280,0ptp4l0-21swapper/519:25:165
111391280,0ptp4l0-21swapper/500:01:155
111391280,0ptp4l0-21swapper/021:27:250
111391270,0ptp4l0-21swapper/523:54:035
111391270,0ptp4l0-21swapper/523:38:175
111391270,0ptp4l0-21swapper/521:49:145
111391270,0ptp4l0-21swapper/500:30:015
111391270,0ptp4l0-21swapper/123:38:021
111391270,0ptp4l0-21swapper/122:32:331
111391270,0ptp4l0-21swapper/122:20:121
111391270,0ptp4l0-21swapper/121:45:571
111391260,3ptp4l0-21swapper/523:32:395
111391260,2ptp4l0-21swapper/522:14:125
111391260,2ptp4l0-21swapper/000:39:340
111391260,2ptp4l0-21swapper/000:39:340
111391260,1ptp4l41-21ksoftirqd/300:05:203
111391260,0ptp4l0-21swapper/523:49:305
111391260,0ptp4l0-21swapper/522:22:195
111391260,0ptp4l0-21swapper/520:45:145
111391260,0ptp4l0-21swapper/520:05:135
111391260,0ptp4l0-21swapper/500:15:505
111391260,0ptp4l0-21swapper/422:28:394
111391260,0ptp4l0-21swapper/223:54:432
111391260,0ptp4l0-21swapper/221:15:162
111391260,0ptp4l0-21swapper/123:59:051
111391260,0ptp4l0-21swapper/122:48:141
111391260,0ptp4l0-21swapper/122:00:111
111391260,0ptp4l0-21swapper/122:00:101
111391250,1ptp4l4802-21smart_sda23:45:191
111391250,0ptp4l0-21swapper/523:57:095
111391250,0ptp4l0-21swapper/522:55:125
111391250,0ptp4l0-21swapper/521:35:175
111391250,0ptp4l0-21swapper/123:20:201
111391250,0ptp4l0-21swapper/123:12:061
111391250,0ptp4l0-21swapper/122:44:381
111391250,0ptp4l0-21swapper/121:51:041
111391250,0ptp4l0-21swapper/121:35:161
111391250,0ptp4l0-21swapper/100:31:211
111391250,0ptp4l0-21swapper/100:19:461
111391250,0ptp4l0-21swapper/100:05:131
111391250,0ptp4l0-21swapper/022:23:330
31992992416,0cyclictest0-21swapper/519:52:555
31992992416,0cyclictest0-21swapper/519:30:345
31992992415,4cyclictest0-21swapper/519:59:545
111391240,1ptp4l9752-21if_err_eno120:40:135
111391240,1ptp4l9644-21smartctl20:40:131
111391240,1ptp4l6424-21idleruntime00:35:141
111391240,1ptp4l6424-21idleruntime00:35:131
111391240,1ptp4l28617-21cat20:10:175
111391240,1ptp4l22142-21ssh23:25:111
111391240,1ptp4l13590-21smartctl21:40:191
111391240,1ptp4l0-21swapper/021:15:130
111391240,0ptp4l41-21ksoftirqd/322:25:163
111391240,0ptp4l0-21swapper/721:00:167
111391240,0ptp4l0-21swapper/700:26:127
111391240,0ptp4l0-21swapper/700:05:207
111391240,0ptp4l0-21swapper/523:23:555
111391240,0ptp4l0-21swapper/522:44:155
111391240,0ptp4l0-21swapper/522:29:145
111391240,0ptp4l0-21swapper/521:58:535
111391240,0ptp4l0-21swapper/521:58:525
111391240,0ptp4l0-21swapper/500:14:575
111391240,0ptp4l0-21swapper/123:30:061
111391240,0ptp4l0-21swapper/123:05:571
111391240,0ptp4l0-21swapper/123:00:111
111391240,0ptp4l0-21swapper/121:10:181
111391240,0ptp4l0-21swapper/120:05:181
111391240,0ptp4l0-21swapper/119:45:151
111391240,0ptp4l0-21swapper/119:18:181
111391240,0ptp4l0-21swapper/100:20:071
111391240,0ptp4l0-21swapper/100:11:551
111391240,0ptp4l0-21swapper/000:05:000
31992992315,0cyclictest0-21swapper/519:41:105
31992992314,4cyclictest0-21swapper/519:22:535
31992992314,4cyclictest0-21swapper/519:22:525
111391230,1ptp4l4066-21ssh23:45:140
111391230,1ptp4l11813-21ps23:10:145
111391230,0ptp4l23003-21kworker/u16:100:20:185
111391230,0ptp4l22727-21diskmemload22:19:514
111391230,0ptp4l0-21swapper/722:25:207
111391230,0ptp4l0-21swapper/621:54:116
111391230,0ptp4l0-21swapper/621:15:186
111391230,0ptp4l0-21swapper/523:05:175
111391230,0ptp4l0-21swapper/523:04:515
111391230,0ptp4l0-21swapper/522:35:165
111391230,0ptp4l0-21swapper/522:30:215
111391230,0ptp4l0-21swapper/522:15:155
111391230,0ptp4l0-21swapper/521:20:145
111391230,0ptp4l0-21swapper/521:14:245
111391230,0ptp4l0-21swapper/520:55:125
111391230,0ptp4l0-21swapper/520:50:125
111391230,0ptp4l0-21swapper/520:35:205
111391230,0ptp4l0-21swapper/520:15:165
111391230,0ptp4l0-21swapper/519:45:175
111391230,0ptp4l0-21swapper/519:15:135
111391230,0ptp4l0-21swapper/519:12:165
111391230,0ptp4l0-21swapper/422:35:194
111391230,0ptp4l0-21swapper/421:47:124
111391230,0ptp4l0-21swapper/421:10:204
111391230,0ptp4l0-21swapper/321:35:003
111391230,0ptp4l0-21swapper/321:00:133
111391230,0ptp4l0-21swapper/319:40:183
111391230,0ptp4l0-21swapper/300:25:103
111391230,0ptp4l0-21swapper/221:54:022
111391230,0ptp4l0-21swapper/221:13:272
111391230,0ptp4l0-21swapper/200:34:382
111391230,0ptp4l0-21swapper/123:50:091
111391230,0ptp4l0-21swapper/123:40:141
111391230,0ptp4l0-21swapper/123:15:181
111391230,0ptp4l0-21swapper/122:50:141
111391230,0ptp4l0-21swapper/122:13:031
111391230,0ptp4l0-21swapper/122:08:331
111391230,0ptp4l0-21swapper/121:55:201
111391230,0ptp4l0-21swapper/121:55:201
111391230,0ptp4l0-21swapper/121:32:231
111391230,0ptp4l0-21swapper/121:25:171
111391230,0ptp4l0-21swapper/121:20:111
111391230,0ptp4l0-21swapper/121:16:481
111391230,0ptp4l0-21swapper/121:05:121
111391230,0ptp4l0-21swapper/120:45:101
111391230,0ptp4l0-21swapper/120:35:181
111391230,0ptp4l0-21swapper/120:15:161
111391230,0ptp4l0-21swapper/120:00:121
111391230,0ptp4l0-21swapper/119:40:171
111391230,0ptp4l0-21swapper/119:35:121
111391230,0ptp4l0-21swapper/119:20:181
111391230,0ptp4l0-21swapper/119:20:171
111391230,0ptp4l0-21swapper/119:10:191
111391230,0ptp4l0-21swapper/100:00:111
111391230,0ptp4l0-21swapper/023:55:140
111391230,0ptp4l0-21swapper/023:25:140
111391230,0ptp4l0-21swapper/023:15:170
111391230,0ptp4l0-21swapper/022:40:160
111391230,0ptp4l0-21swapper/022:35:190
111391230,0ptp4l0-21swapper/020:05:110
111391230,0ptp4l0-21swapper/000:26:510
31992992214,0cyclictest0-21swapper/520:00:075
111391220,0ptp4l0-21swapper/721:35:137
111391220,0ptp4l0-21swapper/619:30:136
111391220,0ptp4l0-21swapper/521:05:505
111391220,0ptp4l0-21swapper/520:30:165
111391220,0ptp4l0-21swapper/520:20:145
111391220,0ptp4l0-21swapper/500:25:235
111391220,0ptp4l0-21swapper/500:05:155
111391220,0ptp4l0-21swapper/423:25:164
111391220,0ptp4l0-21swapper/422:48:254
111391220,0ptp4l0-21swapper/422:06:194
111391220,0ptp4l0-21swapper/421:31:174
111391220,0ptp4l0-21swapper/400:35:214
111391220,0ptp4l0-21swapper/400:35:214
111391220,0ptp4l0-21swapper/400:20:154
111391220,0ptp4l0-21swapper/400:00:134
111391220,0ptp4l0-21swapper/219:30:122
111391220,0ptp4l0-21swapper/200:10:162
111391220,0ptp4l0-21swapper/122:25:151
111391220,0ptp4l0-21swapper/122:15:151
111391220,0ptp4l0-21swapper/120:55:121
111391220,0ptp4l0-21swapper/120:30:191
111391220,0ptp4l0-21swapper/120:20:131
111391220,0ptp4l0-21swapper/120:10:161
111391220,0ptp4l0-21swapper/119:55:151
111391220,0ptp4l0-21swapper/119:25:141
111391220,0ptp4l0-21swapper/100:25:351
111391220,0ptp4l0-21swapper/023:07:490
111391220,0ptp4l0-21swapper/022:47:310
111391220,0ptp4l0-21swapper/022:30:190
111391220,0ptp4l0-21swapper/021:55:150
111391220,0ptp4l0-21swapper/021:55:150
111391220,0ptp4l0-21swapper/021:35:160
111391220,0ptp4l0-21swapper/021:21:450
111391220,0ptp4l0-21swapper/021:10:200
111391220,0ptp4l0-21swapper/020:45:140
111391220,0ptp4l0-21swapper/020:15:180
111391220,0ptp4l0-21swapper/019:50:190
111391220,0ptp4l0-21swapper/019:10:170
111391220,0ptp4l0-21swapper/000:20:140
111391220,0ptp4l0-21swapper/000:13:150
111391210,3ptp4l0-21swapper/022:57:050
111391210,0ptp4l0-21swapper/719:40:207
111391210,0ptp4l0-21swapper/623:08:376
111391210,0ptp4l0-21swapper/622:28:036
111391210,0ptp4l0-21swapper/600:34:366
111391210,0ptp4l0-21swapper/423:35:244
111391210,0ptp4l0-21swapper/422:30:034
111391210,0ptp4l0-21swapper/422:13:394
111391210,0ptp4l0-21swapper/422:04:074
111391210,0ptp4l0-21swapper/422:04:064
111391210,0ptp4l0-21swapper/420:25:594
111391210,0ptp4l0-21swapper/419:44:324
111391210,0ptp4l0-21swapper/400:09:494
111391210,0ptp4l0-21swapper/321:35:033
111391210,0ptp4l0-21swapper/223:08:362
111391210,0ptp4l0-21swapper/222:28:072
111391210,0ptp4l0-21swapper/221:20:322
111391210,0ptp4l0-21swapper/023:50:300
111391210,0ptp4l0-21swapper/023:01:110
111391210,0ptp4l0-21swapper/022:16:270
111391210,0ptp4l0-21swapper/022:08:410
111391210,0ptp4l0-21swapper/021:33:390
111391210,0ptp4l0-21swapper/000:09:470
111391200,0ptp4l0-21swapper/722:37:297
111391200,0ptp4l0-21swapper/721:34:257
111391200,0ptp4l0-21swapper/621:13:266
111391200,0ptp4l0-21swapper/423:46:144
111391200,0ptp4l0-21swapper/422:43:364
111391200,0ptp4l0-21swapper/421:43:294
111391200,0ptp4l0-21swapper/400:26:534
111391200,0ptp4l0-21swapper/400:18:394
111391200,0ptp4l0-21swapper/322:37:253
111391200,0ptp4l0-21swapper/223:47:152
111391200,0ptp4l0-21swapper/219:38:562
111391200,0ptp4l0-21swapper/200:39:292
111391200,0ptp4l0-21swapper/200:39:292
111391200,0ptp4l0-21swapper/120:50:141
111391200,0ptp4l0-21swapper/023:35:240
111391200,0ptp4l0-21swapper/022:51:470
111391200,0ptp4l0-21swapper/022:01:370
111391200,0ptp4l0-21swapper/022:01:370
111391200,0ptp4l0-21swapper/021:52:430
111391200,0ptp4l0-21swapper/021:46:150
111391200,0ptp4l0-21swapper/000:31:020
80112190,1sleep68010-21latency19:25:166
111391190,0ptp4l22727-21diskmemload23:54:524
111391190,0ptp4l0-21swapper/719:32:197
111391190,0ptp4l0-21swapper/700:13:297
111391190,0ptp4l0-21swapper/623:54:446
111391190,0ptp4l0-21swapper/621:23:536
111391190,0ptp4l0-21swapper/600:09:526
111391190,0ptp4l0-21swapper/521:03:475
111391190,0ptp4l0-21swapper/423:33:034
111391190,0ptp4l0-21swapper/423:20:014
111391190,0ptp4l0-21swapper/421:54:224
111391190,0ptp4l0-21swapper/421:35:504
111391190,0ptp4l0-21swapper/300:13:303
111391190,0ptp4l0-21swapper/223:38:232
111391190,0ptp4l0-21swapper/223:15:242
111391190,0ptp4l0-21swapper/120:25:101
111391190,0ptp4l0-21swapper/119:50:161
111391190,0ptp4l0-21swapper/119:32:381
111391190,0ptp4l0-21swapper/023:34:550
111391190,0ptp4l0-21swapper/023:23:120
111391190,0ptp4l0-21swapper/023:10:500
111391190,0ptp4l0-21swapper/022:12:020
111391190,0ptp4l0-21swapper/020:37:180
111391180,0ptp4l0-21swapper/623:15:296
111391180,0ptp4l0-21swapper/423:15:514
111391180,0ptp4l0-21swapper/423:12:214
111391180,0ptp4l0-21swapper/320:59:483
111391180,0ptp4l0-21swapper/200:21:492
111391180,0ptp4l0-21swapper/200:07:162
111391180,0ptp4l0-21swapper/121:03:471
111391180,0ptp4l0-21swapper/019:15:130
111391170,2ptp4l0-21swapper/021:08:100
111391170,2ptp4l0-21swapper/020:10:350
111391170,0ptp4l0-21swapper/600:39:246
111391170,0ptp4l0-21swapper/600:39:246
111391170,0ptp4l0-21swapper/423:06:264
111391170,0ptp4l0-21swapper/422:57:394
111391170,0ptp4l0-21swapper/422:22:314
111391170,0ptp4l0-21swapper/421:27:294
111391170,0ptp4l0-21swapper/421:20:274
111391170,0ptp4l0-21swapper/400:12:164
111391170,0ptp4l0-21swapper/023:41:450
111391170,0ptp4l0-21swapper/021:43:220
111391170,0ptp4l0-21swapper/020:20:120
111391170,0ptp4l0-21swapper/019:44:160
111391170,0ptp4l0-21swapper/019:35:180
250142160,0sleep20-21swapper/222:42:482
111391160,0ptp4l0-21swapper/619:38:456
111391160,0ptp4l0-21swapper/421:56:054
111391160,0ptp4l0-21swapper/421:56:044
111391160,0ptp4l0-21swapper/219:45:232
111391160,0ptp4l0-21swapper/019:58:000
111391160,0ptp4l0-21swapper/019:45:420
111391150,0ptp4l73-21ksoftirqd/720:59:447
111391150,0ptp4l0-21swapper/619:45:246
111391150,0ptp4l0-21swapper/619:43:116
111391150,0ptp4l0-21swapper/421:07:294
111391150,0ptp4l0-21swapper/421:04:134
111391150,0ptp4l0-21swapper/420:53:344
111391150,0ptp4l0-21swapper/420:39:284
111391150,0ptp4l0-21swapper/420:01:424
111391150,0ptp4l0-21swapper/419:58:204
111391150,0ptp4l0-21swapper/419:52:134
111391150,0ptp4l0-21swapper/419:46:574
111391150,0ptp4l0-21swapper/419:37:584
111391150,0ptp4l0-21swapper/419:30:534
111391150,0ptp4l0-21swapper/419:20:104
111391150,0ptp4l0-21swapper/419:20:094
111391150,0ptp4l0-21swapper/419:15:304
111391150,0ptp4l0-21swapper/319:32:093
111391150,0ptp4l0-21swapper/220:52:452
111391150,0ptp4l0-21swapper/021:03:130
111391150,0ptp4l0-21swapper/020:56:490
111391150,0ptp4l0-21swapper/020:53:320
111391150,0ptp4l0-21swapper/020:40:370
111391150,0ptp4l0-21swapper/020:32:090
111391150,0ptp4l0-21swapper/020:25:540
111391150,0ptp4l0-21swapper/020:00:330
111391150,0ptp4l0-21swapper/019:30:510
111391150,0ptp4l0-21swapper/019:26:570
111391150,0ptp4l0-21swapper/019:20:100
111391150,0ptp4l0-21swapper/019:20:100
31999991412,1cyclictest0-21swapper/620:20:116
111391140,0ptp4l0-21swapper/620:52:476
111391140,0ptp4l0-21swapper/422:52:134
111391140,0ptp4l0-21swapper/420:56:414
111391140,0ptp4l0-21swapper/420:48:394
111391140,0ptp4l0-21swapper/420:40:384
111391140,0ptp4l0-21swapper/420:20:324
111391140,0ptp4l0-21swapper/420:15:284
111391140,0ptp4l0-21swapper/420:07:374
111391140,0ptp4l0-21swapper/419:29:064
111391140,0ptp4l0-21swapper/419:10:494
111391140,0ptp4l0-21swapper/222:24:052
111391140,0ptp4l0-21swapper/219:43:082
3200799138,1cyclictest4385-21munin-run20:29:597
3200799120,1cyclictest0-21swapper/721:10:217
3197999120,11cyclictest0-21swapper/323:26:393
3199999110,10cyclictest0-21swapper/623:58:026
3197999110,10cyclictest0-21swapper/300:01:513
3200799108,1cyclictest0-21swapper/723:41:517
3199999109,0cyclictest0-21swapper/622:17:466
3199999100,9cyclictest0-21swapper/621:41:276
3198799100,0cyclictest0-21swapper/423:59:544
3197999109,0cyclictest0-21swapper/322:58:313
3197999109,0cyclictest0-21swapper/321:25:583
3197999100,9cyclictest0-21swapper/322:20:193
3197199100,9cyclictest0-21swapper/221:35:192
320079997,1cyclictest29180-21turbostat22:50:017
320079997,1cyclictest22727-21diskmemload21:15:147
320079990,8cyclictest0-21swapper/721:29:217
320079990,0cyclictest0-21swapper/722:08:497
319999998,0cyclictest0-21swapper/623:22:596
319999998,0cyclictest0-21swapper/622:54:236
319999990,0cyclictest0-21swapper/622:37:146
319999990,0cyclictest0-21swapper/600:21:366
319799998,0cyclictest0-21swapper/323:14:053
319799990,0cyclictest0-21swapper/323:50:143
319799990,0cyclictest0-21swapper/323:38:263
319799990,0cyclictest0-21swapper/322:41:243
319799990,0cyclictest0-21swapper/322:02:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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