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2026-06-04 - 10:46

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 Thu Jun 04, 2026 00:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,5ptp4l0-21swapper/019:05:130
2508926240,7sleep10-21swapper/119:07:011
2529326048,7sleep40-21swapper/419:09:374
2532325949,6sleep20-21swapper/219:09:592
120712590,0sleep60-21swapper/623:40:196
111391590,5ptp4l0-21swapper/519:08:325
68342550,0sleep50-21swapper/500:20:005
2519525139,7sleep70-21swapper/719:08:277
2498124838,6sleep60-21swapper/619:05:386
2527324735,7sleep30-21swapper/319:09:283
111391340,1ptp4l28401-21if_enp0s2519:15:015
111391330,0ptp4l0-21swapper/622:29:396
111391320,0ptp4l0-21swapper/623:55:166
111391320,0ptp4l0-21swapper/000:25:310
111391310,0ptp4l0-21swapper/522:08:355
111391310,0ptp4l0-21swapper/023:25:180
111391310,0ptp4l0-21swapper/023:23:150
111391310,0ptp4l0-21swapper/022:37:300
111391310,0ptp4l0-21swapper/000:34:090
111391310,0ptp4l0-21swapper/000:12:560
111391300,0ptp4l0-21swapper/523:30:235
111391300,0ptp4l0-21swapper/523:09:055
111391300,0ptp4l0-21swapper/521:43:555
111391300,0ptp4l0-21swapper/500:00:155
111391300,0ptp4l0-21swapper/023:39:040
111391300,0ptp4l0-21swapper/023:30:190
111391300,0ptp4l0-21swapper/022:12:300
111391300,0ptp4l0-21swapper/021:39:120
111391300,0ptp4l0-21swapper/000:17:090
111391290,0ptp4l0-21swapper/523:35:495
111391290,0ptp4l0-21swapper/423:33:354
111391290,0ptp4l0-21swapper/422:08:074
111391290,0ptp4l0-21swapper/421:16:444
111391290,0ptp4l0-21swapper/021:15:350
111391280,0ptp4l0-21swapper/522:56:315
111391280,0ptp4l0-21swapper/521:58:305
111391280,0ptp4l0-21swapper/423:35:114
111391280,0ptp4l0-21swapper/423:03:514
111391280,0ptp4l0-21swapper/400:05:034
111391280,0ptp4l0-21swapper/123:22:071
111391280,0ptp4l0-21swapper/023:58:060
111391280,0ptp4l0-21swapper/023:50:320
111391280,0ptp4l0-21swapper/021:41:210
111391280,0ptp4l0-21swapper/021:22:010
111391280,0ptp4l0-21swapper/000:03:060
111391270,0ptp4l0-21swapper/523:25:285
111391270,0ptp4l0-21swapper/522:44:445
111391270,0ptp4l0-21swapper/423:08:364
111391270,0ptp4l0-21swapper/422:33:254
111391270,0ptp4l0-21swapper/123:18:211
111391270,0ptp4l0-21swapper/023:44:040
111391270,0ptp4l0-21swapper/023:09:170
111391270,0ptp4l0-21swapper/022:50:340
111391260,0ptp4l0-21swapper/523:10:495
111391260,0ptp4l0-21swapper/523:10:495
111391260,0ptp4l0-21swapper/521:37:405
111391260,0ptp4l0-21swapper/423:25:114
111391260,0ptp4l0-21swapper/423:22:484
111391260,0ptp4l0-21swapper/421:21:104
111391260,0ptp4l0-21swapper/121:25:341
111391260,0ptp4l0-21swapper/023:46:030
111391260,0ptp4l0-21swapper/023:13:440
111391260,0ptp4l0-21swapper/023:13:440
111391260,0ptp4l0-21swapper/022:45:510
111391260,0ptp4l0-21swapper/022:25:120
111391260,0ptp4l0-21swapper/022:05:400
111391260,0ptp4l0-21swapper/020:33:060
111391250,6ptp4l0-21swapper/520:46:075
111391250,1ptp4l28531-21smart_sda19:15:011
111391250,1ptp4l27267-21diskstats21:50:130
111391250,1ptp4l27261-21df_inode21:50:124
111391250,1ptp4l26590-21systemd-run21:50:000
111391250,0ptp4l0-21swapper/523:48:455
111391250,0ptp4l0-21swapper/519:45:445
111391250,0ptp4l0-21swapper/423:50:194
111391250,0ptp4l0-21swapper/423:47:144
111391250,0ptp4l0-21swapper/423:40:364
111391250,0ptp4l0-21swapper/422:25:154
111391250,0ptp4l0-21swapper/422:20:204
111391250,0ptp4l0-21swapper/421:55:344
111391250,0ptp4l0-21swapper/400:36:334
111391250,0ptp4l0-21swapper/223:55:102
111391250,0ptp4l0-21swapper/121:45:381
111391250,0ptp4l0-21swapper/119:55:001
111391250,0ptp4l0-21swapper/119:40:151
111391250,0ptp4l0-21swapper/021:55:150
111391250,0ptp4l0-21swapper/021:13:330
111391250,0ptp4l0-21swapper/019:50:080
111391250,0ptp4l0-21swapper/000:35:160
111391240,1ptp4l8230-21proc_pri00:20:184
111391240,1ptp4l7117-21sed00:20:011
111391240,1ptp4l6684-21df22:50:124
111391240,1ptp4l30410-21diskmemload22:40:190
111391240,1ptp4l24047-21cpu22:30:115
111391240,1ptp4l22846-21timerandwakeup20:40:141
111391240,1ptp4l18428-21latency_hist20:30:004
111391240,1ptp4l13644-21users21:30:194
111391240,0ptp4l30410-21diskmemload23:56:244
111391240,0ptp4l0-21swapper/623:09:216
111391240,0ptp4l0-21swapper/523:20:075
111391240,0ptp4l0-21swapper/523:15:145
111391240,0ptp4l0-21swapper/521:25:195
111391240,0ptp4l0-21swapper/520:53:325
111391240,0ptp4l0-21swapper/520:40:075
111391240,0ptp4l0-21swapper/520:26:505
111391240,0ptp4l0-21swapper/500:14:175
111391240,0ptp4l0-21swapper/422:49:394
111391240,0ptp4l0-21swapper/422:41:174
111391240,0ptp4l0-21swapper/421:45:144
111391240,0ptp4l0-21swapper/421:26:254
111391240,0ptp4l0-21swapper/421:10:174
111391240,0ptp4l0-21swapper/420:50:114
111391240,0ptp4l0-21swapper/420:10:094
111391240,0ptp4l0-21swapper/419:35:004
111391240,0ptp4l0-21swapper/223:55:002
111391240,0ptp4l0-21swapper/200:23:422
111391240,0ptp4l0-21swapper/022:55:100
111391240,0ptp4l0-21swapper/022:32:210
111391240,0ptp4l0-21swapper/022:16:150
111391240,0ptp4l0-21swapper/022:00:220
111391240,0ptp4l0-21swapper/021:30:130
111391240,0ptp4l0-21swapper/020:00:140
111391240,0ptp4l0-21swapper/019:13:230
111391240,0ptp4l0-21swapper/000:05:140
111391230,2ptp4l0-21swapper/620:54:276
111391230,2ptp4l0-21swapper/523:51:205
111391230,1ptp4l27807-21ssh23:19:274
111391230,0ptp4l0-21swapper/622:14:076
111391230,0ptp4l0-21swapper/522:55:005
111391230,0ptp4l0-21swapper/522:45:375
111391230,0ptp4l0-21swapper/522:28:185
111391230,0ptp4l0-21swapper/522:20:165
111391230,0ptp4l0-21swapper/522:14:375
111391230,0ptp4l0-21swapper/522:01:375
111391230,0ptp4l0-21swapper/521:11:115
111391230,0ptp4l0-21swapper/521:09:485
111391230,0ptp4l0-21swapper/520:40:015
111391230,0ptp4l0-21swapper/520:21:105
111391230,0ptp4l0-21swapper/520:15:005
111391230,0ptp4l0-21swapper/519:54:575
111391230,0ptp4l0-21swapper/500:25:235
111391230,0ptp4l0-21swapper/422:55:144
111391230,0ptp4l0-21swapper/422:36:394
111391230,0ptp4l0-21swapper/422:17:594
111391230,0ptp4l0-21swapper/422:10:164
111391230,0ptp4l0-21swapper/422:00:194
111391230,0ptp4l0-21swapper/421:40:144
111391230,0ptp4l0-21swapper/421:39:304
111391230,0ptp4l0-21swapper/421:00:124
111391230,0ptp4l0-21swapper/419:20:164
111391230,0ptp4l0-21swapper/400:30:374
111391230,0ptp4l0-21swapper/400:25:124
111391230,0ptp4l0-21swapper/400:10:134
111391230,0ptp4l0-21swapper/321:24:103
111391230,0ptp4l0-21swapper/222:46:232
111391230,0ptp4l0-21swapper/123:55:181
111391230,0ptp4l0-21swapper/123:47:551
111391230,0ptp4l0-21swapper/123:12:191
111391230,0ptp4l0-21swapper/123:12:191
111391230,0ptp4l0-21swapper/123:09:011
111391230,0ptp4l0-21swapper/123:00:161
111391230,0ptp4l0-21swapper/122:43:071
111391230,0ptp4l0-21swapper/122:35:131
111391230,0ptp4l0-21swapper/122:30:201
111391230,0ptp4l0-21swapper/122:20:151
111391230,0ptp4l0-21swapper/121:56:291
111391230,0ptp4l0-21swapper/121:35:161
111391230,0ptp4l0-21swapper/120:40:001
111391230,0ptp4l0-21swapper/120:40:001
111391230,0ptp4l0-21swapper/119:30:081
111391230,0ptp4l0-21swapper/119:24:351
111391230,0ptp4l0-21swapper/100:25:211
111391230,0ptp4l0-21swapper/100:20:141
111391230,0ptp4l0-21swapper/100:00:131
111391230,0ptp4l0-21swapper/023:17:490
111391230,0ptp4l0-21swapper/023:00:320
111391230,0ptp4l0-21swapper/022:23:360
111391230,0ptp4l0-21swapper/021:25:570
111391230,0ptp4l0-21swapper/020:55:010
111391230,0ptp4l0-21swapper/020:25:500
111391230,0ptp4l0-21swapper/020:20:160
111391230,0ptp4l0-21swapper/020:10:080
111391230,0ptp4l0-21swapper/019:30:110
111391230,0ptp4l0-21swapper/019:20:150
111391230,0ptp4l0-21swapper/000:20:170
111391220,0ptp4l0-21swapper/623:45:076
111391220,0ptp4l0-21swapper/600:39:466
111391220,0ptp4l0-21swapper/523:55:185
111391220,0ptp4l0-21swapper/523:44:195
111391220,0ptp4l0-21swapper/523:00:025
111391220,0ptp4l0-21swapper/522:15:025
111391220,0ptp4l0-21swapper/521:51:225
111391220,0ptp4l0-21swapper/521:45:175
111391220,0ptp4l0-21swapper/521:30:565
111391220,0ptp4l0-21swapper/521:15:225
111391220,0ptp4l0-21swapper/520:09:065
111391220,0ptp4l0-21swapper/519:40:135
111391220,0ptp4l0-21swapper/519:20:385
111391220,0ptp4l0-21swapper/500:05:335
111391220,0ptp4l0-21swapper/423:10:124
111391220,0ptp4l0-21swapper/423:10:124
111391220,0ptp4l0-21swapper/420:30:144
111391220,0ptp4l0-21swapper/420:20:134
111391220,0ptp4l0-21swapper/420:00:104
111391220,0ptp4l0-21swapper/419:10:124
111391220,0ptp4l0-21swapper/400:18:294
111391220,0ptp4l0-21swapper/322:35:573
111391220,0ptp4l0-21swapper/223:25:052
111391220,0ptp4l0-21swapper/222:16:572
111391220,0ptp4l0-21swapper/200:13:302
111391220,0ptp4l0-21swapper/123:44:151
111391220,0ptp4l0-21swapper/123:31:011
111391220,0ptp4l0-21swapper/122:53:451
111391220,0ptp4l0-21swapper/122:45:171
111391220,0ptp4l0-21swapper/122:15:121
111391220,0ptp4l0-21swapper/122:14:201
111391220,0ptp4l0-21swapper/122:01:191
111391220,0ptp4l0-21swapper/121:51:431
111391220,0ptp4l0-21swapper/121:43:351
111391220,0ptp4l0-21swapper/121:32:381
111391220,0ptp4l0-21swapper/121:11:271
111391220,0ptp4l0-21swapper/119:25:001
111391220,0ptp4l0-21swapper/100:36:121
111391220,0ptp4l0-21swapper/100:31:361
111391220,0ptp4l0-21swapper/100:14:111
111391220,0ptp4l0-21swapper/100:05:401
111391220,0ptp4l0-21swapper/021:05:010
111391220,0ptp4l0-21swapper/021:00:120
111391220,0ptp4l0-21swapper/019:44:350
111391210,0ptp4l0-21swapper/623:52:396
111391210,0ptp4l0-21swapper/622:16:586
111391210,0ptp4l0-21swapper/521:24:375
111391210,0ptp4l0-21swapper/520:39:475
111391210,0ptp4l0-21swapper/519:56:385
111391210,0ptp4l0-21swapper/519:40:005
111391210,0ptp4l0-21swapper/519:34:335
111391210,0ptp4l0-21swapper/419:50:094
111391210,0ptp4l0-21swapper/400:00:354
111391210,0ptp4l0-21swapper/223:09:302
111391210,0ptp4l0-21swapper/200:39:412
111391210,0ptp4l0-21swapper/200:03:392
111391210,0ptp4l0-21swapper/123:52:551
111391210,0ptp4l0-21swapper/123:25:301
111391210,0ptp4l0-21swapper/122:55:091
111391210,0ptp4l0-21swapper/122:25:471
111391210,0ptp4l0-21swapper/122:07:291
111391210,0ptp4l0-21swapper/121:24:381
111391210,0ptp4l0-21swapper/121:15:121
111391210,0ptp4l0-21swapper/120:26:371
111391210,0ptp4l0-21swapper/120:15:011
111391210,0ptp4l0-21swapper/120:01:011
111391210,0ptp4l0-21swapper/020:44:460
111391210,0ptp4l0-21swapper/020:36:100
111391210,0ptp4l0-21swapper/020:36:090
111391210,0ptp4l0-21swapper/019:35:010
111391200,1ptp4l3994-21memory19:40:124
111391200,1ptp4l0-21swapper/019:58:450
111391200,0ptp4l0-21swapper/722:52:517
111391200,0ptp4l0-21swapper/622:52:556
111391200,0ptp4l0-21swapper/600:13:246
111391200,0ptp4l0-21swapper/600:03:406
111391200,0ptp4l0-21swapper/519:25:575
111391200,0ptp4l0-21swapper/500:36:135
111391200,0ptp4l0-21swapper/500:31:295
111391200,0ptp4l0-21swapper/420:49:574
111391200,0ptp4l0-21swapper/222:29:382
111391200,0ptp4l0-21swapper/221:47:142
111391200,0ptp4l0-21swapper/221:30:372
111391200,0ptp4l0-21swapper/123:38:191
111391200,0ptp4l0-21swapper/120:30:511
111391200,0ptp4l0-21swapper/019:15:340
111391190,0ptp4l0-21swapper/622:46:206
111391190,0ptp4l0-21swapper/522:36:265
111391190,0ptp4l0-21swapper/520:30:595
111391190,0ptp4l0-21swapper/421:09:564
111391190,0ptp4l0-21swapper/420:15:374
111391190,0ptp4l0-21swapper/419:56:374
111391190,0ptp4l0-21swapper/419:46:104
111391190,0ptp4l0-21swapper/419:35:544
111391190,0ptp4l0-21swapper/223:46:122
111391190,0ptp4l0-21swapper/223:14:022
111391190,0ptp4l0-21swapper/223:14:022
111391190,0ptp4l0-21swapper/222:14:012
111391190,0ptp4l0-21swapper/120:14:551
111391190,0ptp4l0-21swapper/120:05:361
111391190,0ptp4l0-21swapper/119:55:361
111391190,0ptp4l0-21swapper/119:14:341
111391190,0ptp4l0-21swapper/020:58:100
111391190,0ptp4l0-21swapper/020:06:190
111391190,0ptp4l0-21swapper/019:48:360
111391180,0ptp4l9530-21ssh00:22:316
111391180,0ptp4l0-21swapper/521:03:585
111391180,0ptp4l0-21swapper/500:24:035
111391180,0ptp4l0-21swapper/420:55:064
111391180,0ptp4l0-21swapper/420:44:554
111391180,0ptp4l0-21swapper/120:22:361
111391180,0ptp4l0-21swapper/020:46:320
111391180,0ptp4l0-21swapper/020:17:100
111391180,0ptp4l0-21swapper/019:29:360
111391170,0ptp4l0-21swapper/621:15:146
111391170,0ptp4l0-21swapper/620:09:366
111391170,0ptp4l0-21swapper/222:52:562
111391170,0ptp4l0-21swapper/200:18:572
111391160,0ptp4l0-21swapper/621:30:376
111391160,0ptp4l0-21swapper/420:35:074
111391160,0ptp4l0-21swapper/420:35:074
111391160,0ptp4l0-21swapper/420:05:574
111391160,0ptp4l0-21swapper/121:05:021
111391160,0ptp4l0-21swapper/121:01:311
111391160,0ptp4l0-21swapper/120:57:571
111391160,0ptp4l0-21swapper/120:47:401
111391160,0ptp4l0-21swapper/119:47:091
111391150,0ptp4l0-21swapper/723:10:017
111391150,0ptp4l0-21swapper/723:10:017
111391150,0ptp4l0-21swapper/721:01:507
111391150,0ptp4l0-21swapper/720:41:227
111391150,0ptp4l0-21swapper/719:33:147
111391150,0ptp4l0-21swapper/623:25:056
111391150,0ptp4l0-21swapper/623:14:046
111391150,0ptp4l0-21swapper/623:14:046
111391150,0ptp4l0-21swapper/620:19:386
111391150,0ptp4l0-21swapper/619:41:426
111391150,0ptp4l0-21swapper/619:37:346
111391150,0ptp4l0-21swapper/619:26:256
111391150,0ptp4l0-21swapper/619:22:546
111391150,0ptp4l0-21swapper/520:57:305
111391150,0ptp4l0-21swapper/520:15:045
111391150,0ptp4l0-21swapper/520:00:555
111391150,0ptp4l0-21swapper/519:10:445
111391150,0ptp4l0-21swapper/419:26:014
111391150,0ptp4l0-21swapper/419:15:174
111391150,0ptp4l0-21swapper/221:07:492
111391150,0ptp4l0-21swapper/220:54:242
111391150,0ptp4l0-21swapper/220:44:582
111391150,0ptp4l0-21swapper/220:30:252
111391150,0ptp4l0-21swapper/220:19:402
111391150,0ptp4l0-21swapper/219:41:452
111391150,0ptp4l0-21swapper/219:22:532
111391150,0ptp4l0-21swapper/120:51:031
111391150,0ptp4l0-21swapper/119:36:331
111391140,0ptp4l0-21swapper/719:16:017
111391140,0ptp4l0-21swapper/621:07:486
111391140,0ptp4l0-21swapper/620:37:556
111391140,0ptp4l0-21swapper/620:37:556
111391140,0ptp4l0-21swapper/620:30:246
111391140,0ptp4l0-21swapper/323:00:303
111391140,0ptp4l0-21swapper/322:52:493
111391140,0ptp4l0-21swapper/320:06:283
111391140,0ptp4l0-21swapper/319:47:003
111391140,0ptp4l0-21swapper/319:16:013
111391140,0ptp4l0-21swapper/220:56:052
111391140,0ptp4l0-21swapper/220:37:562
111391140,0ptp4l0-21swapper/220:37:562
111391140,0ptp4l0-21swapper/220:05:012
111391140,0ptp4l0-21swapper/220:04:592
111391140,0ptp4l0-21swapper/219:37:252
111391140,0ptp4l0-21swapper/219:26:222
25627991311,1cyclictest0-21swapper/600:20:006
111391130,0ptp4l0-21swapper/319:33:133
299502120,1sleep21068-21runrttasks21:54:332
25635991210,1cyclictest0-21swapper/723:30:117
2563599119,1cyclictest0-21swapper/723:59:067
2562799119,1cyclictest189382chrt22:21:536
2562799110,10cyclictest0-21swapper/622:00:316
25606991110,0cyclictest0-21swapper/322:43:303
2560699110,10cyclictest0-21swapper/323:38:113
2560699110,10cyclictest0-21swapper/321:58:423
2560699110,10cyclictest0-21swapper/321:40:383
2560699110,0cyclictest0-21swapper/322:08:553
2563599109,0cyclictest0-21swapper/721:35:177
2563599100,9cyclictest0-21swapper/723:48:537
2563599100,9cyclictest0-21swapper/722:07:317
2562799109,0cyclictest0-21swapper/623:37:016
2562799100,9cyclictest0-21swapper/622:05:426
2562799100,9cyclictest0-21swapper/600:05:376
2562799100,0cyclictest0-21swapper/621:14:386
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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