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2026-06-27 - 10:14

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 Sat Jun 27, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391750,29ptp4l0-21swapper/019:08:280
111391740,2ptp4l0-21swapper/519:05:195
111391680,27ptp4l0-21swapper/119:05:121
2747426643,6sleep40-21swapper/419:09:094
111391600,29ptp4l0-21swapper/219:06:042
2742325735,7sleep70-21swapper/719:08:237
111391520,5ptp4l0-21swapper/619:06:066
2719624735,7sleep30-21swapper/319:05:303
111391360,1ptp4l22711-21cat00:15:000
111391350,0ptp4l0-21swapper/422:45:214
111391340,1ptp4l22418-21basename21:15:000
111391340,0ptp4l0-21swapper/023:53:000
111391330,0ptp4l0-21swapper/421:22:044
111391330,0ptp4l0-21swapper/400:10:154
111391330,0ptp4l0-21swapper/122:51:381
111391330,0ptp4l0-21swapper/120:55:161
111391330,0ptp4l0-21swapper/023:05:210
111391320,3ptp4l0-21swapper/423:32:254
111391320,0ptp4l0-21swapper/522:18:505
111391320,0ptp4l0-21swapper/423:50:114
111391320,0ptp4l0-21swapper/422:05:124
111391320,0ptp4l0-21swapper/422:05:124
111391320,0ptp4l0-21swapper/421:42:174
111391320,0ptp4l0-21swapper/121:49:311
111391320,0ptp4l0-21swapper/121:14:261
111391320,0ptp4l0-21swapper/022:02:400
111391320,0ptp4l0-21swapper/000:24:320
111391310,0ptp4l0-21swapper/523:12:435
111391310,0ptp4l0-21swapper/521:35:455
111391310,0ptp4l0-21swapper/423:21:524
111391310,0ptp4l0-21swapper/421:17:494
111391310,0ptp4l0-21swapper/400:01:404
111391310,0ptp4l0-21swapper/123:40:121
111391310,0ptp4l0-21swapper/100:05:501
111391310,0ptp4l0-21swapper/021:29:220
111391300,0ptp4l0-21swapper/621:28:326
111391300,0ptp4l0-21swapper/522:49:485
111391300,0ptp4l0-21swapper/422:52:124
111391300,0ptp4l0-21swapper/422:27:244
111391300,0ptp4l0-21swapper/422:00:204
111391300,0ptp4l0-21swapper/400:15:134
111391300,0ptp4l0-21swapper/400:06:494
111391300,0ptp4l0-21swapper/123:15:391
111391300,0ptp4l0-21swapper/123:14:591
111391300,0ptp4l0-21swapper/022:56:500
111391300,0ptp4l0-21swapper/022:22:040
111391300,0ptp4l0-21swapper/021:22:380
111391300,0ptp4l0-21swapper/021:00:150
111391300,0ptp4l0-21swapper/000:07:020
111391290,0ptp4l0-21swapper/523:44:085
111391290,0ptp4l0-21swapper/500:33:595
111391290,0ptp4l0-21swapper/422:34:144
111391290,0ptp4l0-21swapper/421:56:024
111391290,0ptp4l0-21swapper/421:51:244
111391290,0ptp4l0-21swapper/400:21:194
111391290,0ptp4l0-21swapper/321:31:533
111391290,0ptp4l0-21swapper/023:34:480
111391290,0ptp4l0-21swapper/023:10:180
111391290,0ptp4l0-21swapper/022:41:500
111391280,0ptp4l0-21swapper/423:58:104
111391280,0ptp4l0-21swapper/423:48:144
111391280,0ptp4l0-21swapper/423:19:164
111391280,0ptp4l0-21swapper/423:08:144
111391280,0ptp4l0-21swapper/423:04:424
111391280,0ptp4l0-21swapper/120:40:211
111391280,0ptp4l0-21swapper/023:43:150
111391280,0ptp4l0-21swapper/023:21:320
111391270,2ptp4l0-21swapper/521:56:425
111391270,2ptp4l0-21swapper/100:33:431
111391270,0ptp4l0-21swapper/421:12:564
111391270,0ptp4l0-21swapper/100:22:201
111391270,0ptp4l0-21swapper/022:32:300
111391270,0ptp4l0-21swapper/021:50:160
111391270,0ptp4l0-21swapper/021:48:550
111391270,0ptp4l0-21swapper/021:44:400
111391270,0ptp4l0-21swapper/021:16:230
111391270,0ptp4l0-21swapper/000:00:390
111391260,3ptp4l0-21swapper/021:38:010
111391260,0ptp4l0-21swapper/721:31:187
111391260,0ptp4l0-21swapper/422:20:374
111391260,0ptp4l0-21swapper/422:19:364
111391260,0ptp4l0-21swapper/421:39:034
111391260,0ptp4l0-21swapper/400:33:144
111391260,0ptp4l0-21swapper/123:55:571
111391260,0ptp4l0-21swapper/123:45:411
111391260,0ptp4l0-21swapper/123:07:541
111391260,0ptp4l0-21swapper/023:48:000
111391260,0ptp4l0-21swapper/023:26:170
111391260,0ptp4l0-21swapper/022:52:450
111391260,0ptp4l0-21swapper/022:39:420
111391260,0ptp4l0-21swapper/021:33:120
111391260,0ptp4l0-21swapper/000:32:480
111391260,0ptp4l0-21swapper/000:28:170
111391250,5ptp4l0-21swapper/523:46:095
111391250,1ptp4l1104-21fw_forwarded_lo19:20:125
111391250,0ptp4l0-21swapper/522:50:185
111391250,0ptp4l0-21swapper/522:07:515
111391250,0ptp4l0-21swapper/522:07:505
111391250,0ptp4l0-21swapper/519:55:175
111391250,0ptp4l0-21swapper/519:49:305
111391250,0ptp4l0-21swapper/500:20:065
111391250,0ptp4l0-21swapper/423:37:184
111391250,0ptp4l0-21swapper/421:00:144
111391250,0ptp4l0-21swapper/420:55:394
111391250,0ptp4l0-21swapper/420:50:114
111391250,0ptp4l0-21swapper/420:25:144
111391250,0ptp4l0-21swapper/419:47:294
111391250,0ptp4l0-21swapper/400:35:164
111391250,0ptp4l0-21swapper/222:53:422
111391250,0ptp4l0-21swapper/123:39:561
111391250,0ptp4l0-21swapper/121:40:161
111391250,0ptp4l0-21swapper/119:36:331
111391250,0ptp4l0-21swapper/023:35:160
111391250,0ptp4l0-21swapper/022:25:120
111391250,0ptp4l0-21swapper/020:32:270
111391250,0ptp4l0-21swapper/020:10:000
111391250,0ptp4l0-21swapper/000:37:240
111391240,4ptp4l0-21swapper/422:39:584
111391240,1ptp4l30715-21/usr/sbin/munin22:10:172
111391240,1ptp4l30715-21/usr/sbin/munin22:10:162
111391240,1ptp4l24395-21sed22:45:160
111391240,1ptp4l1876-21if_err_enp0s2521:30:134
111391240,1ptp4l17193-21hwlatdetect19:55:141
111391240,1ptp4l16071-21sed21:50:005
111391240,1ptp4l14551-21latency_hist19:50:011
111391240,0ptp4l16158-21date23:20:000
111391240,0ptp4l0-21swapper/723:03:007
111391240,0ptp4l0-21swapper/522:30:095
111391240,0ptp4l0-21swapper/521:24:365
111391240,0ptp4l0-21swapper/520:33:235
111391240,0ptp4l0-21swapper/519:39:145
111391240,0ptp4l0-21swapper/519:25:175
111391240,0ptp4l0-21swapper/519:10:125
111391240,0ptp4l0-21swapper/500:38:405
111391240,0ptp4l0-21swapper/423:42:514
111391240,0ptp4l0-21swapper/423:25:044
111391240,0ptp4l0-21swapper/422:15:014
111391240,0ptp4l0-21swapper/422:15:004
111391240,0ptp4l0-21swapper/421:46:354
111391240,0ptp4l0-21swapper/421:05:194
111391240,0ptp4l0-21swapper/420:48:204
111391240,0ptp4l0-21swapper/420:00:194
111391240,0ptp4l0-21swapper/400:28:354
111391240,0ptp4l0-21swapper/323:04:003
111391240,0ptp4l0-21swapper/121:35:261
111391240,0ptp4l0-21swapper/120:05:141
111391240,0ptp4l0-21swapper/021:07:380
111391240,0ptp4l0-21swapper/020:10:160
111391240,0ptp4l0-21swapper/019:45:180
111391240,0ptp4l0-21swapper/019:17:420
111391240,0ptp4l0-21swapper/019:14:180
111391240,0ptp4l0-21swapper/000:15:110
111391230,2ptp4l0-21swapper/120:52:171
111391230,2ptp4l0-21swapper/100:17:291
111391230,0ptp4l10046-21entropy20:50:110
111391230,0ptp4l0-21swapper/622:10:196
111391230,0ptp4l0-21swapper/622:10:186
111391230,0ptp4l0-21swapper/600:26:046
111391230,0ptp4l0-21swapper/523:37:595
111391230,0ptp4l0-21swapper/523:30:115
111391230,0ptp4l0-21swapper/523:15:145
111391230,0ptp4l0-21swapper/521:40:155
111391230,0ptp4l0-21swapper/521:34:405
111391230,0ptp4l0-21swapper/521:25:145
111391230,0ptp4l0-21swapper/521:10:145
111391230,0ptp4l0-21swapper/520:55:195
111391230,0ptp4l0-21swapper/520:43:475
111391230,0ptp4l0-21swapper/520:35:125
111391230,0ptp4l0-21swapper/520:02:485
111391230,0ptp4l0-21swapper/519:30:115
111391230,0ptp4l0-21swapper/519:30:115
111391230,0ptp4l0-21swapper/423:10:174
111391230,0ptp4l0-21swapper/422:55:094
111391230,0ptp4l0-21swapper/420:35:124
111391230,0ptp4l0-21swapper/420:30:204
111391230,0ptp4l0-21swapper/420:15:204
111391230,0ptp4l0-21swapper/420:10:004
111391230,0ptp4l0-21swapper/419:40:184
111391230,0ptp4l0-21swapper/419:35:214
111391230,0ptp4l0-21swapper/419:15:194
111391230,0ptp4l0-21swapper/222:33:482
111391230,0ptp4l0-21swapper/221:00:002
111391230,0ptp4l0-21swapper/219:45:002
111391230,0ptp4l0-21swapper/123:50:141
111391230,0ptp4l0-21swapper/122:37:471
111391230,0ptp4l0-21swapper/122:30:171
111391230,0ptp4l0-21swapper/122:15:141
111391230,0ptp4l0-21swapper/121:15:201
111391230,0ptp4l0-21swapper/120:39:351
111391230,0ptp4l0-21swapper/119:50:121
111391230,0ptp4l0-21swapper/119:31:501
111391230,0ptp4l0-21swapper/119:31:491
111391230,0ptp4l0-21swapper/119:10:141
111391230,0ptp4l0-21swapper/023:57:370
111391230,0ptp4l0-21swapper/022:15:390
111391230,0ptp4l0-21swapper/022:05:190
111391230,0ptp4l0-21swapper/022:05:180
111391230,0ptp4l0-21swapper/021:55:190
111391230,0ptp4l0-21swapper/020:38:110
111391230,0ptp4l0-21swapper/020:15:170
111391230,0ptp4l0-21swapper/020:00:140
111391230,0ptp4l0-21swapper/019:30:170
111391230,0ptp4l0-21swapper/019:30:170
111391230,0ptp4l0-21swapper/019:29:410
111391220,1ptp4l25-21ksoftirqd/122:40:081
111391220,1ptp4l22806-21kworker/5:122:11:285
111391220,1ptp4l22806-21kworker/5:122:11:285
111391220,0ptp4l9-21ksoftirqd/023:00:130
111391220,0ptp4l0-21swapper/721:41:097
111391220,0ptp4l0-21swapper/622:53:446
111391220,0ptp4l0-21swapper/523:55:165
111391220,0ptp4l0-21swapper/523:50:155
111391220,0ptp4l0-21swapper/523:01:175
111391220,0ptp4l0-21swapper/522:58:125
111391220,0ptp4l0-21swapper/522:42:265
111391220,0ptp4l0-21swapper/521:05:115
111391220,0ptp4l0-21swapper/520:54:465
111391220,0ptp4l0-21swapper/519:50:115
111391220,0ptp4l0-21swapper/500:12:235
111391220,0ptp4l0-21swapper/500:05:125
111391220,0ptp4l0-21swapper/500:03:075
111391220,0ptp4l0-21swapper/422:40:164
111391220,0ptp4l0-21swapper/421:25:194
111391220,0ptp4l0-21swapper/420:20:124
111391220,0ptp4l0-21swapper/419:55:224
111391220,0ptp4l0-21swapper/419:51:194
111391220,0ptp4l0-21swapper/419:30:194
111391220,0ptp4l0-21swapper/419:30:184
111391220,0ptp4l0-21swapper/223:07:292
111391220,0ptp4l0-21swapper/123:30:241
111391220,0ptp4l0-21swapper/123:26:391
111391220,0ptp4l0-21swapper/122:58:221
111391220,0ptp4l0-21swapper/122:11:181
111391220,0ptp4l0-21swapper/122:11:181
111391220,0ptp4l0-21swapper/122:07:081
111391220,0ptp4l0-21swapper/122:07:081
111391220,0ptp4l0-21swapper/121:58:281
111391220,0ptp4l0-21swapper/121:50:031
111391220,0ptp4l0-21swapper/121:25:151
111391220,0ptp4l0-21swapper/121:24:001
111391220,0ptp4l0-21swapper/119:25:211
111391220,0ptp4l0-21swapper/119:20:151
111391220,0ptp4l0-21swapper/100:38:421
111391220,0ptp4l0-21swapper/100:30:011
111391220,0ptp4l0-21swapper/100:14:441
111391220,0ptp4l0-21swapper/100:02:261
111391220,0ptp4l0-21swapper/022:14:250
111391220,0ptp4l0-21swapper/022:14:240
111391220,0ptp4l0-21swapper/020:45:140
111391220,0ptp4l0-21swapper/020:25:120
111391220,0ptp4l0-21swapper/020:20:140
111391220,0ptp4l0-21swapper/019:40:120
111391220,0ptp4l0-21swapper/019:35:140
111391210,0ptp4l0-21swapper/623:07:316
111391210,0ptp4l0-21swapper/622:42:586
111391210,0ptp4l0-21swapper/622:00:386
111391210,0ptp4l0-21swapper/621:36:466
111391210,0ptp4l0-21swapper/621:32:556
111391210,0ptp4l0-21swapper/523:08:285
111391210,0ptp4l0-21swapper/522:37:425
111391210,0ptp4l0-21swapper/522:29:595
111391210,0ptp4l0-21swapper/522:00:035
111391210,0ptp4l0-21swapper/521:54:175
111391210,0ptp4l0-21swapper/521:15:125
111391210,0ptp4l0-21swapper/500:26:285
111391210,0ptp4l0-21swapper/500:17:455
111391210,0ptp4l0-21swapper/420:13:234
111391210,0ptp4l0-21swapper/223:43:202
111391210,0ptp4l0-21swapper/222:00:402
111391210,0ptp4l0-21swapper/221:28:342
111391210,0ptp4l0-21swapper/221:18:522
111391210,0ptp4l0-21swapper/122:48:281
111391210,0ptp4l0-21swapper/121:34:231
111391210,0ptp4l0-21swapper/121:04:471
111391200,2ptp4l0-21swapper/419:11:434
111391200,0ptp4l0-21swapper/700:35:347
111391200,0ptp4l0-21swapper/520:21:225
111391200,0ptp4l0-21swapper/520:10:455
111391200,0ptp4l0-21swapper/520:05:105
111391200,0ptp4l0-21swapper/321:41:233
111391200,0ptp4l0-21swapper/320:38:393
111391200,0ptp4l0-21swapper/222:42:502
111391200,0ptp4l0-21swapper/123:01:211
111391200,0ptp4l0-21swapper/119:18:161
111391200,0ptp4l0-21swapper/019:58:210
111391190,0ptp4l0-21swapper/621:18:526
111391190,0ptp4l0-21swapper/600:33:036
111391190,0ptp4l0-21swapper/523:29:455
111391190,0ptp4l0-21swapper/519:41:215
111391190,0ptp4l0-21swapper/221:32:532
111391190,0ptp4l0-21swapper/200:25:512
111391190,0ptp4l0-21swapper/122:20:321
111391190,0ptp4l0-21swapper/122:00:031
111391190,0ptp4l0-21swapper/120:23:221
111391190,0ptp4l0-21swapper/120:03:221
111391180,0ptp4l0-21swapper/623:38:356
111391180,0ptp4l0-21swapper/621:23:066
111391180,0ptp4l0-21swapper/221:36:482
111391180,0ptp4l0-21swapper/221:23:042
111391180,0ptp4l0-21swapper/200:01:292
111391180,0ptp4l0-21swapper/122:29:321
111391180,0ptp4l0-21swapper/020:55:330
111391170,0ptp4l0-21swapper/623:43:206
111391170,0ptp4l0-21swapper/622:33:536
111391170,0ptp4l0-21swapper/223:19:242
111391170,0ptp4l0-21swapper/119:43:211
111391170,0ptp4l0-21swapper/020:41:420
111391160,0ptp4l0-21swapper/720:38:127
111391160,0ptp4l0-21swapper/623:19:246
111391160,0ptp4l0-21swapper/621:00:006
111391160,0ptp4l0-21swapper/600:01:306
111391160,0ptp4l0-21swapper/321:02:213
111391160,0ptp4l0-21swapper/300:35:403
111391160,0ptp4l0-21swapper/120:46:501
111391160,0ptp4l0-21swapper/120:32:021
111391160,0ptp4l0-21swapper/120:25:441
111391160,0ptp4l0-21swapper/019:53:520
111391160,0ptp4l0-21swapper/019:22:480
111391150,0ptp4l0-21swapper/721:02:007
111391150,0ptp4l0-21swapper/720:16:157
111391150,0ptp4l0-21swapper/621:07:236
111391150,0ptp4l0-21swapper/620:52:116
111391150,0ptp4l0-21swapper/620:26:186
111391150,0ptp4l0-21swapper/620:18:496
111391150,0ptp4l0-21swapper/620:04:596
111391150,0ptp4l0-21swapper/619:45:016
111391150,0ptp4l0-21swapper/619:16:366
111391150,0ptp4l0-21swapper/521:03:285
111391150,0ptp4l0-21swapper/520:45:565
111391150,0ptp4l0-21swapper/520:25:015
111391150,0ptp4l0-21swapper/520:18:025
111391150,0ptp4l0-21swapper/519:17:135
111391150,0ptp4l0-21swapper/420:40:044
111391150,0ptp4l0-21swapper/419:26:124
111391150,0ptp4l0-21swapper/419:22:134
111391150,0ptp4l0-21swapper/320:16:243
111391150,0ptp4l0-21swapper/223:38:352
111391150,0ptp4l0-21swapper/221:07:242
111391150,0ptp4l0-21swapper/220:18:452
111391150,0ptp4l0-21swapper/220:04:582
111391150,0ptp4l0-21swapper/219:45:022
111391150,0ptp4l0-21swapper/200:23:082
111391150,0ptp4l0-21swapper/121:05:091
111391150,0ptp4l0-21swapper/120:18:001
111391150,0ptp4l0-21swapper/120:10:341
111391140,0ptp4l0-21swapper/619:40:036
111391140,0ptp4l0-21swapper/522:20:325
111391140,0ptp4l0-21swapper/221:00:022
111391140,0ptp4l0-21swapper/220:52:092
111391140,0ptp4l0-21swapper/219:16:352
111391140,0ptp4l0-21swapper/200:33:012
2785899119,1cyclictest641ktimersoftd/622:29:046
2785899119,1cyclictest641ktimersoftd/621:47:356
2785899119,1cyclictest0-21swapper/623:50:186
27858991110,0cyclictest641ktimersoftd/622:49:406
27858991110,0cyclictest641ktimersoftd/622:35:586
2786599109,0cyclictest0-21swapper/720:40:207
2786599100,9cyclictest25055-21ssh00:17:517
2786599100,9cyclictest0-21swapper/722:41:037
2786599100,9cyclictest0-21swapper/721:18:427
2785899109,0cyclictest641ktimersoftd/600:39:596
2785899109,0cyclictest0-21swapper/621:44:516
2785899109,0cyclictest0-21swapper/620:20:226
2785199100,9cyclictest0-21swapper/523:23:195
2783699100,9cyclictest0-21swapper/323:29:403
2783699100,9cyclictest0-21swapper/323:22:363
2783699100,9cyclictest0-21swapper/323:15:423
2783699100,9cyclictest0-21swapper/323:05:393
2783699100,9cyclictest0-21swapper/322:58:443
2783699100,9cyclictest0-21swapper/300:03:093
2783099100,9cyclictest0-21swapper/222:07:402
2783099100,9cyclictest0-21swapper/222:07:392
2783099100,9cyclictest0-21swapper/200:08:492
278659998,0cyclictest0-21swapper/722:51:447
278659998,0cyclictest0-21swapper/721:36:557
278659998,0cyclictest0-21swapper/721:14:557
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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