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2026-04-10 - 05:41

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 Fri Apr 10, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1425426746,6sleep20-21swapper/219:08:152
1881916342,8phc2sys0-21swapper/119:05:151
111391620,5ptp4l0-21swapper/419:09:074
111391620,31ptp4l0-21swapper/019:07:290
39302610,0sleep7721ktimersoftd/700:10:007
38382610,1sleep773-21ksoftirqd/719:55:117
111391610,5ptp4l0-21swapper/519:06:285
187882590,0sleep60-21swapper/600:30:436
196692580,0sleep40-21swapper/422:14:464
1428525040,6sleep60-21swapper/619:08:436
1410925039,6sleep70-21swapper/719:06:267
1426424837,7sleep30-21swapper/319:08:243
111391340,5ptp4l0-21swapper/019:45:180
111391330,0ptp4l0-21swapper/520:55:185
14686993127,3cyclictest30404-21turbostat22:30:004
111391310,6ptp4l0-21swapper/422:39:544
111391310,0ptp4l0-21swapper/500:23:055
111391310,0ptp4l0-21swapper/423:41:394
111391290,1ptp4l1061-21snmpd00:01:334
111391290,0ptp4l0-21swapper/500:03:595
111391290,0ptp4l0-21swapper/423:19:244
111391290,0ptp4l0-21swapper/423:19:244
111391290,0ptp4l0-21swapper/422:40:144
111391290,0ptp4l0-21swapper/400:20:124
111391290,0ptp4l0-21swapper/122:23:341
111391290,0ptp4l0-21swapper/023:13:080
111391290,0ptp4l0-21swapper/022:30:390
111391290,0ptp4l0-21swapper/022:22:390
111391290,0ptp4l0-21swapper/000:36:190
111391290,0ptp4l0-21swapper/000:31:020
111391280,2ptp4l0-21swapper/422:19:084
111391280,0ptp4l0-21swapper/523:49:595
111391280,0ptp4l0-21swapper/523:35:085
111391280,0ptp4l0-21swapper/522:40:245
111391280,0ptp4l0-21swapper/423:09:364
111391280,0ptp4l0-21swapper/422:57:114
111391280,0ptp4l0-21swapper/422:51:384
111391280,0ptp4l0-21swapper/421:28:494
111391280,0ptp4l0-21swapper/420:20:134
111391280,0ptp4l0-21swapper/400:27:104
111391280,0ptp4l0-21swapper/100:01:031
111391280,0ptp4l0-21swapper/022:56:390
111391280,0ptp4l0-21swapper/022:16:220
111391270,3ptp4l0-21swapper/023:25:370
111391270,1ptp4l3775-21df_inode21:05:114
111391270,0ptp4l0-21swapper/622:05:316
111391270,0ptp4l0-21swapper/519:55:175
111391270,0ptp4l0-21swapper/500:25:015
111391270,0ptp4l0-21swapper/423:28:544
111391270,0ptp4l0-21swapper/421:14:294
111391270,0ptp4l0-21swapper/400:32:364
111391270,0ptp4l0-21swapper/123:54:061
111391270,0ptp4l0-21swapper/123:06:001
111391270,0ptp4l0-21swapper/121:16:361
111391270,0ptp4l0-21swapper/021:45:130
111391270,0ptp4l0-21swapper/021:14:480
111391270,0ptp4l0-21swapper/000:24:190
111391270,0ptp4l0-21swapper/000:16:310
111391260,3ptp4l481ktimersoftd/423:03:154
111391260,1ptp4l0-21swapper/523:54:055
111391260,0ptp4l0-21swapper/522:08:035
111391260,0ptp4l0-21swapper/423:59:464
111391260,0ptp4l0-21swapper/421:35:154
111391260,0ptp4l0-21swapper/400:10:114
111391260,0ptp4l0-21swapper/400:07:204
111391260,0ptp4l0-21swapper/123:04:571
111391260,0ptp4l0-21swapper/122:54:561
111391260,0ptp4l0-21swapper/120:35:201
111391260,0ptp4l0-21swapper/120:35:191
111391260,0ptp4l0-21swapper/023:40:590
111391260,0ptp4l0-21swapper/023:32:070
111391260,0ptp4l0-21swapper/022:13:410
111391260,0ptp4l0-21swapper/022:05:590
111391260,0ptp4l0-21swapper/021:58:580
111391260,0ptp4l0-21swapper/000:26:080
111391250,3ptp4l7630-21cat00:15:131
111391250,1ptp4l9435-21smart_sda20:05:154
111391250,1ptp4l7572-21ssh21:55:231
111391250,1ptp4l5428-21diskmemload21:59:504
111391250,1ptp4l19065-21sshd22:59:131
111391250,0ptp4l5428-21diskmemload23:45:234
111391250,0ptp4l22597-21ps20:35:155
111391250,0ptp4l22597-21ps20:35:145
111391250,0ptp4l0-21swapper/621:49:116
111391250,0ptp4l0-21swapper/600:00:376
111391250,0ptp4l0-21swapper/523:55:195
111391250,0ptp4l0-21swapper/522:39:275
111391250,0ptp4l0-21swapper/521:21:485
111391250,0ptp4l0-21swapper/521:11:415
111391250,0ptp4l0-21swapper/423:54:154
111391250,0ptp4l0-21swapper/422:00:594
111391250,0ptp4l0-21swapper/421:51:314
111391250,0ptp4l0-21swapper/421:30:134
111391250,0ptp4l0-21swapper/419:47:374
111391250,0ptp4l0-21swapper/400:36:484
111391250,0ptp4l0-21swapper/219:15:002
111391250,0ptp4l0-21swapper/120:25:141
111391250,0ptp4l0-21swapper/023:45:120
111391250,0ptp4l0-21swapper/022:53:150
111391250,0ptp4l0-21swapper/021:27:450
111391250,0ptp4l0-21swapper/021:05:100
111391240,1ptp4l9416-21latency23:30:154
111391240,1ptp4l27636-21fw_conntrack22:25:130
111391240,1ptp4l24245-21diskstats21:35:120
111391240,1ptp4l20687-21irqstats19:20:140
111391240,1ptp4l1068-21runrttasks22:45:150
111391240,0ptp4l0-21swapper/622:40:126
111391240,0ptp4l0-21swapper/523:15:565
111391240,0ptp4l0-21swapper/523:15:555
111391240,0ptp4l0-21swapper/523:04:215
111391240,0ptp4l0-21swapper/522:10:165
111391240,0ptp4l0-21swapper/520:25:175
111391240,0ptp4l0-21swapper/520:05:085
111391240,0ptp4l0-21swapper/500:35:165
111391240,0ptp4l0-21swapper/423:20:194
111391240,0ptp4l0-21swapper/422:47:334
111391240,0ptp4l0-21swapper/422:30:174
111391240,0ptp4l0-21swapper/421:15:144
111391240,0ptp4l0-21swapper/420:50:154
111391240,0ptp4l0-21swapper/420:10:094
111391240,0ptp4l0-21swapper/419:40:194
111391240,0ptp4l0-21swapper/400:16:584
111391240,0ptp4l0-21swapper/323:00:553
111391240,0ptp4l0-21swapper/219:30:122
111391240,0ptp4l0-21swapper/200:04:322
111391240,0ptp4l0-21swapper/100:35:181
111391240,0ptp4l0-21swapper/023:20:160
111391240,0ptp4l0-21swapper/023:07:420
111391240,0ptp4l0-21swapper/021:31:550
111391240,0ptp4l0-21swapper/021:15:210
111391240,0ptp4l0-21swapper/020:45:130
111391240,0ptp4l0-21swapper/020:37:140
111391240,0ptp4l0-21swapper/020:37:130
111391240,0ptp4l0-21swapper/019:10:130
111391240,0ptp4l0-21swapper/000:05:150
111391240,0ptp4l0-21swapper/000:00:200
111391230,3ptp4l22774-21ssh22:18:221
111391230,1ptp4l10644-21ssh23:31:281
111391230,0ptp4l28196-21ssh23:56:072
111391230,0ptp4l23873-21strings23:50:170
111391230,0ptp4l0-21swapper/723:01:077
111391230,0ptp4l0-21swapper/623:56:526
111391230,0ptp4l0-21swapper/621:40:226
111391230,0ptp4l0-21swapper/619:15:196
111391230,0ptp4l0-21swapper/523:05:155
111391230,0ptp4l0-21swapper/522:55:175
111391230,0ptp4l0-21swapper/522:53:245
111391230,0ptp4l0-21swapper/522:46:075
111391230,0ptp4l0-21swapper/521:55:215
111391230,0ptp4l0-21swapper/521:38:155
111391230,0ptp4l0-21swapper/520:50:115
111391230,0ptp4l0-21swapper/520:40:155
111391230,0ptp4l0-21swapper/520:40:145
111391230,0ptp4l0-21swapper/519:50:115
111391230,0ptp4l0-21swapper/500:33:365
111391230,0ptp4l0-21swapper/423:14:014
111391230,0ptp4l0-21swapper/422:20:154
111391230,0ptp4l0-21swapper/422:07:274
111391230,0ptp4l0-21swapper/421:45:134
111391230,0ptp4l0-21swapper/421:00:134
111391230,0ptp4l0-21swapper/420:55:014
111391230,0ptp4l0-21swapper/420:45:124
111391230,0ptp4l0-21swapper/420:30:134
111391230,0ptp4l0-21swapper/420:15:164
111391230,0ptp4l0-21swapper/419:35:144
111391230,0ptp4l0-21swapper/419:30:434
111391230,0ptp4l0-21swapper/419:29:554
111391230,0ptp4l0-21swapper/419:20:114
111391230,0ptp4l0-21swapper/419:10:154
111391230,0ptp4l0-21swapper/223:49:082
111391230,0ptp4l0-21swapper/222:49:242
111391230,0ptp4l0-21swapper/222:05:122
111391230,0ptp4l0-21swapper/221:40:162
111391230,0ptp4l0-21swapper/221:00:002
111391230,0ptp4l0-21swapper/219:15:132
111391230,0ptp4l0-21swapper/123:55:101
111391230,0ptp4l0-21swapper/123:47:111
111391230,0ptp4l0-21swapper/123:35:111
111391230,0ptp4l0-21swapper/123:27:251
111391230,0ptp4l0-21swapper/122:27:531
111391230,0ptp4l0-21swapper/122:10:151
111391230,0ptp4l0-21swapper/122:00:221
111391230,0ptp4l0-21swapper/121:38:061
111391230,0ptp4l0-21swapper/121:20:141
111391230,0ptp4l0-21swapper/121:12:441
111391230,0ptp4l0-21swapper/120:55:121
111391230,0ptp4l0-21swapper/120:50:111
111391230,0ptp4l0-21swapper/120:40:191
111391230,0ptp4l0-21swapper/120:40:181
111391230,0ptp4l0-21swapper/120:05:101
111391230,0ptp4l0-21swapper/120:00:161
111391230,0ptp4l0-21swapper/119:55:161
111391230,0ptp4l0-21swapper/119:50:191
111391230,0ptp4l0-21swapper/100:34:091
111391230,0ptp4l0-21swapper/100:25:001
111391230,0ptp4l0-21swapper/023:35:590
111391230,0ptp4l0-21swapper/023:15:170
111391230,0ptp4l0-21swapper/023:15:160
111391230,0ptp4l0-21swapper/023:00:150
111391230,0ptp4l0-21swapper/022:40:140
111391230,0ptp4l0-21swapper/022:35:120
111391230,0ptp4l0-21swapper/022:00:150
111391230,0ptp4l0-21swapper/021:43:530
111391230,0ptp4l0-21swapper/021:03:050
111391230,0ptp4l0-21swapper/020:30:150
111391230,0ptp4l0-21swapper/020:20:120
111391230,0ptp4l0-21swapper/020:15:160
111391230,0ptp4l0-21swapper/020:10:120
111391230,0ptp4l0-21swapper/020:00:120
111391230,0ptp4l0-21swapper/019:40:140
111391230,0ptp4l0-21swapper/019:35:170
111391230,0ptp4l0-21swapper/019:30:010
111391230,0ptp4l0-21swapper/019:25:150
111391230,0ptp4l0-21swapper/000:10:190
111391220,0ptp4l0-21swapper/722:37:087
111391220,0ptp4l0-21swapper/721:17:507
111391220,0ptp4l0-21swapper/623:43:156
111391220,0ptp4l0-21swapper/623:26:256
111391220,0ptp4l0-21swapper/523:35:005
111391220,0ptp4l0-21swapper/523:27:095
111391220,0ptp4l0-21swapper/523:11:205
111391220,0ptp4l0-21swapper/522:27:495
111391220,0ptp4l0-21swapper/522:20:195
111391220,0ptp4l0-21swapper/522:00:345
111391220,0ptp4l0-21swapper/521:46:395
111391220,0ptp4l0-21swapper/521:16:495
111391220,0ptp4l0-21swapper/520:16:415
111391220,0ptp4l0-21swapper/520:01:015
111391220,0ptp4l0-21swapper/500:14:595
111391220,0ptp4l0-21swapper/423:37:274
111391220,0ptp4l0-21swapper/421:40:144
111391220,0ptp4l0-21swapper/421:20:374
111391220,0ptp4l0-21swapper/420:25:014
111391220,0ptp4l0-21swapper/419:19:554
111391220,0ptp4l0-21swapper/322:54:203
111391220,0ptp4l0-21swapper/322:37:473
111391220,0ptp4l0-21swapper/223:32:582
111391220,0ptp4l0-21swapper/223:26:132
111391220,0ptp4l0-21swapper/222:40:122
111391220,0ptp4l0-21swapper/222:33:302
111391220,0ptp4l0-21swapper/222:24:562
111391220,0ptp4l0-21swapper/221:49:112
111391220,0ptp4l0-21swapper/221:21:592
111391220,0ptp4l0-21swapper/200:18:342
111391220,0ptp4l0-21swapper/123:43:041
111391220,0ptp4l0-21swapper/123:22:311
111391220,0ptp4l0-21swapper/123:14:511
111391220,0ptp4l0-21swapper/122:48:411
111391220,0ptp4l0-21swapper/122:40:421
111391220,0ptp4l0-21swapper/122:35:091
111391220,0ptp4l0-21swapper/122:30:021
111391220,0ptp4l0-21swapper/122:07:011
111391220,0ptp4l0-21swapper/121:50:591
111391220,0ptp4l0-21swapper/121:31:091
111391220,0ptp4l0-21swapper/121:25:561
111391220,0ptp4l0-21swapper/119:21:331
111391220,0ptp4l0-21swapper/119:17:141
111391220,0ptp4l0-21swapper/023:56:490
111391220,0ptp4l0-21swapper/021:50:130
111391220,0ptp4l0-21swapper/021:23:050
111391220,0ptp4l0-21swapper/020:05:150
111391220,0ptp4l0-21swapper/019:55:200
111391210,0ptp4l0-21swapper/623:48:486
111391210,0ptp4l0-21swapper/623:32:446
111391210,0ptp4l0-21swapper/622:24:126
111391210,0ptp4l0-21swapper/600:26:586
111391210,0ptp4l0-21swapper/600:18:266
111391210,0ptp4l0-21swapper/523:43:065
111391210,0ptp4l0-21swapper/523:22:355
111391210,0ptp4l0-21swapper/522:34:185
111391210,0ptp4l0-21swapper/521:50:395
111391210,0ptp4l0-21swapper/521:40:545
111391210,0ptp4l0-21swapper/521:31:135
111391210,0ptp4l0-21swapper/521:26:195
111391210,0ptp4l0-21swapper/521:08:145
111391210,0ptp4l0-21swapper/519:27:325
111391210,0ptp4l0-21swapper/519:17:545
111391210,0ptp4l0-21swapper/500:13:455
111391210,0ptp4l0-21swapper/419:57:424
111391210,0ptp4l0-21swapper/321:17:273
111391210,0ptp4l0-21swapper/223:43:162
111391210,0ptp4l0-21swapper/222:35:572
111391210,0ptp4l0-21swapper/123:15:511
111391210,0ptp4l0-21swapper/123:15:511
111391210,0ptp4l0-21swapper/121:49:251
111391210,0ptp4l0-21swapper/121:42:361
111391210,0ptp4l0-21swapper/120:47:311
111391210,0ptp4l0-21swapper/120:23:561
111391210,0ptp4l0-21swapper/120:15:011
111391210,0ptp4l0-21swapper/119:35:351
111391210,0ptp4l0-21swapper/119:14:061
111391210,0ptp4l0-21swapper/100:29:231
111391210,0ptp4l0-21swapper/100:13:321
111391210,0ptp4l0-21swapper/020:28:550
238592200,0sleep20-21swapper/223:05:152
111391200,0ptp4l0-21swapper/722:54:157
111391200,0ptp4l0-21swapper/621:22:056
111391200,0ptp4l0-21swapper/621:05:046
111391200,0ptp4l0-21swapper/620:54:566
111391200,0ptp4l0-21swapper/600:24:266
111391200,0ptp4l0-21swapper/520:22:315
111391200,0ptp4l0-21swapper/519:49:545
111391200,0ptp4l0-21swapper/519:35:585
111391200,0ptp4l0-21swapper/519:24:065
111391200,0ptp4l0-21swapper/519:14:185
111391200,0ptp4l0-21swapper/420:43:274
111391200,0ptp4l0-21swapper/420:43:264
111391200,0ptp4l0-21swapper/221:04:552
111391200,0ptp4l0-21swapper/200:26:562
111391200,0ptp4l0-21swapper/200:24:242
111391200,0ptp4l0-21swapper/119:46:061
111391200,0ptp4l0-21swapper/119:32:061
111391200,0ptp4l0-21swapper/020:59:550
111391200,0ptp4l0-21swapper/020:51:400
111391190,0ptp4l0-21swapper/700:01:327
111391190,0ptp4l0-21swapper/623:19:416
111391190,0ptp4l0-21swapper/623:19:416
111391190,0ptp4l0-21swapper/622:36:026
111391190,0ptp4l0-21swapper/622:33:296
111391190,0ptp4l0-21swapper/621:54:476
111391190,0ptp4l0-21swapper/621:02:136
111391190,0ptp4l0-21swapper/520:33:555
111391190,0ptp4l0-21swapper/519:42:005
111391190,0ptp4l0-21swapper/519:32:345
111391190,0ptp4l0-21swapper/420:36:494
111391190,0ptp4l0-21swapper/420:36:484
111391190,0ptp4l0-21swapper/223:18:062
111391190,0ptp4l0-21swapper/223:18:052
111391190,0ptp4l0-21swapper/221:54:502
111391190,0ptp4l0-21swapper/221:32:242
111391190,0ptp4l0-21swapper/220:28:102
111391190,0ptp4l0-21swapper/220:14:112
111391190,0ptp4l0-21swapper/120:34:161
111391180,3ptp4l0-21swapper/520:49:515
111391180,0ptp4l0-21swapper/623:02:516
111391180,0ptp4l0-21swapper/622:48:176
111391180,0ptp4l0-21swapper/223:04:082
111391180,0ptp4l0-21swapper/221:27:382
111391180,0ptp4l0-21swapper/119:40:331
111391180,0ptp4l0-21swapper/119:29:441
111391180,0ptp4l0-21swapper/020:44:550
111391180,0ptp4l0-21swapper/020:44:550
111391170,2ptp4l0-21swapper/223:54:142
111391170,0ptp4l0-21swapper/419:54:254
111391170,0ptp4l0-21swapper/221:35:422
111391170,0ptp4l0-21swapper/100:05:041
111391170,0ptp4l0-21swapper/019:17:320
111391160,0ptp4l0-21swapper/621:35:446
111391160,0ptp4l0-21swapper/621:27:396
111391160,0ptp4l0-21swapper/620:59:596
111391160,0ptp4l0-21swapper/620:14:356
111391160,0ptp4l0-21swapper/520:14:435
111391160,0ptp4l0-21swapper/420:00:394
111391160,0ptp4l0-21swapper/222:59:142
111391160,0ptp4l0-21swapper/220:54:592
111391160,0ptp4l0-21swapper/220:43:202
111391160,0ptp4l0-21swapper/220:43:202
111391160,0ptp4l0-21swapper/121:08:091
111391160,0ptp4l0-21swapper/120:14:511
14680991513,1cyclictest0-21swapper/321:25:163
133192150,0sleep70-21swapper/722:05:117
111391150,0ptp4l0-21swapper/720:57:177
111391150,0ptp4l0-21swapper/620:28:106
111391150,0ptp4l0-21swapper/619:58:316
111391150,0ptp4l0-21swapper/619:47:456
111391150,0ptp4l0-21swapper/619:20:096
111391150,0ptp4l0-21swapper/600:09:006
111391150,0ptp4l0-21swapper/522:18:225
111391150,0ptp4l0-21swapper/500:05:575
111391150,0ptp4l0-21swapper/320:57:133
111391150,0ptp4l0-21swapper/300:01:313
111391150,0ptp4l0-21swapper/221:05:022
111391150,0ptp4l0-21swapper/220:24:362
111391150,0ptp4l0-21swapper/219:58:332
111391150,0ptp4l0-21swapper/219:47:502
111391150,0ptp4l0-21swapper/219:35:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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