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2026-05-23 - 05:55

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 May 23, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
715521240,0sleep10-21swapper/100:15:161
613426443,6sleep20-21swapper/219:07:022
267132630,0sleep40-21swapper/421:00:204
111391590,5ptp4l0-21swapper/419:06:074
111391590,5ptp4l0-21swapper/019:08:120
1881915836,7phc2sys0-21swapper/119:05:421
323442560,0sleep10-21swapper/121:54:241
613925242,6sleep70-21swapper/719:07:077
609424938,6sleep60-21swapper/619:06:336
604724735,7sleep50-21swapper/519:06:005
601424736,7sleep30-21swapper/319:05:343
111391360,0ptp4l0-21swapper/400:22:074
111391350,0ptp4l0-21swapper/421:26:114
111391340,0ptp4l0-21swapper/421:51:104
111391330,0ptp4l0-21swapper/421:41:214
111391330,0ptp4l0-21swapper/400:10:204
111391320,0ptp4l0-21swapper/423:16:334
111391320,0ptp4l0-21swapper/400:30:184
111391310,0ptp4l0-21swapper/422:24:514
111391310,0ptp4l0-21swapper/422:07:154
111391310,0ptp4l0-21swapper/400:25:104
111391310,0ptp4l0-21swapper/122:25:111
111391310,0ptp4l0-21swapper/022:47:310
111391310,0ptp4l0-21swapper/022:31:370
111391300,0ptp4l0-21swapper/423:21:434
111391300,0ptp4l0-21swapper/422:38:324
111391300,0ptp4l0-21swapper/421:49:214
111391300,0ptp4l0-21swapper/400:36:394
111391300,0ptp4l0-21swapper/022:02:140
111391300,0ptp4l0-21swapper/021:21:030
111391300,0ptp4l0-21swapper/021:21:030
111391290,0ptp4l29742-21diskmemload22:19:562
111391290,0ptp4l0-21swapper/622:19:516
111391290,0ptp4l0-21swapper/422:02:324
111391290,0ptp4l0-21swapper/120:59:011
111391280,0ptp4l0-21swapper/423:01:574
111391280,0ptp4l0-21swapper/422:29:434
111391280,0ptp4l0-21swapper/223:37:312
111391280,0ptp4l0-21swapper/021:46:020
111391270,0ptp4l0-21swapper/423:35:074
111391270,0ptp4l0-21swapper/421:37:334
111391270,0ptp4l0-21swapper/421:18:144
111391270,0ptp4l0-21swapper/421:18:144
111391270,0ptp4l0-21swapper/419:50:014
111391270,0ptp4l0-21swapper/121:31:041
111391270,0ptp4l0-21swapper/100:27:581
111391270,0ptp4l0-21swapper/023:44:290
111391270,0ptp4l0-21swapper/023:03:030
111391270,0ptp4l0-21swapper/022:58:360
111391270,0ptp4l0-21swapper/022:28:560
111391270,0ptp4l0-21swapper/021:51:140
111391270,0ptp4l0-21swapper/000:26:070
111391270,0ptp4l0-21swapper/000:02:510
111391270,0ptp4l0-21swapper/000:02:500
111391260,5ptp4l2794-21kworker/0:200:11:310
111391260,0ptp4l0-21swapper/421:59:484
111391260,0ptp4l0-21swapper/421:34:284
111391260,0ptp4l0-21swapper/421:24:474
111391260,0ptp4l0-21swapper/421:24:474
111391260,0ptp4l0-21swapper/420:54:104
111391260,0ptp4l0-21swapper/420:35:174
111391260,0ptp4l0-21swapper/200:04:572
111391260,0ptp4l0-21swapper/200:04:562
111391260,0ptp4l0-21swapper/123:04:591
111391260,0ptp4l0-21swapper/022:12:020
111391260,0ptp4l0-21swapper/022:09:210
111391260,0ptp4l0-21swapper/021:25:170
111391260,0ptp4l0-21swapper/000:05:120
111391250,7ptp4l0-21swapper/620:19:156
111391250,1ptp4l497-21fw_forwarded_lo20:05:130
111391250,1ptp4l25057-21fw_forwarded_lo23:55:110
111391250,1ptp4l12038-21fw_conntrack22:10:124
111391250,1ptp4l10672-21users22:50:194
111391250,0ptp4l29742-21diskmemload21:17:401
111391250,0ptp4l29742-21diskmemload21:17:401
111391250,0ptp4l0-21swapper/723:20:277
111391250,0ptp4l0-21swapper/621:19:546
111391250,0ptp4l0-21swapper/621:19:546
111391250,0ptp4l0-21swapper/521:35:125
111391250,0ptp4l0-21swapper/521:10:165
111391250,0ptp4l0-21swapper/519:20:125
111391250,0ptp4l0-21swapper/423:46:474
111391250,0ptp4l0-21swapper/423:06:304
111391250,0ptp4l0-21swapper/422:45:184
111391250,0ptp4l0-21swapper/422:42:424
111391250,0ptp4l0-21swapper/421:05:124
111391250,0ptp4l0-21swapper/420:14:294
111391250,0ptp4l0-21swapper/419:56:274
111391250,0ptp4l0-21swapper/419:35:104
111391250,0ptp4l0-21swapper/400:18:324
111391250,0ptp4l0-21swapper/119:54:591
111391250,0ptp4l0-21swapper/119:19:281
111391250,0ptp4l0-21swapper/022:50:100
111391250,0ptp4l0-21swapper/021:05:190
111391240,2ptp4l3014-21cat20:10:130
111391240,1ptp4l6094-21latency_hist23:30:000
111391240,1ptp4l30676-21if_virbr021:10:131
111391240,1ptp4l29873-21munin-run22:35:006
111391240,1ptp4l20654-21ssh23:05:131
111391240,1ptp4l19185-21fw_conntrack19:35:100
111391240,1ptp4l1914-21cat21:55:190
111391240,1ptp4l18448-21smart_sda23:45:186
111391240,1ptp4l16903-21fw_forwarded_lo19:30:120
111391240,0ptp4l0-21swapper/519:30:155
111391240,0ptp4l0-21swapper/423:56:114
111391240,0ptp4l0-21swapper/423:30:174
111391240,0ptp4l0-21swapper/423:25:114
111391240,0ptp4l0-21swapper/422:55:184
111391240,0ptp4l0-21swapper/422:31:024
111391240,0ptp4l0-21swapper/422:17:124
111391240,0ptp4l0-21swapper/421:10:104
111391240,0ptp4l0-21swapper/420:58:214
111391240,0ptp4l0-21swapper/420:30:484
111391240,0ptp4l0-21swapper/420:20:454
111391240,0ptp4l0-21swapper/420:08:534
111391240,0ptp4l0-21swapper/420:01:034
111391240,0ptp4l0-21swapper/419:42:474
111391240,0ptp4l0-21swapper/400:04:064
111391240,0ptp4l0-21swapper/400:04:064
111391240,0ptp4l0-21swapper/221:01:512
111391240,0ptp4l0-21swapper/219:30:012
111391240,0ptp4l0-21swapper/122:15:171
111391240,0ptp4l0-21swapper/122:05:161
111391240,0ptp4l0-21swapper/121:20:031
111391240,0ptp4l0-21swapper/121:20:031
111391240,0ptp4l0-21swapper/120:20:111
111391240,0ptp4l0-21swapper/023:50:410
111391240,0ptp4l0-21swapper/023:45:110
111391240,0ptp4l0-21swapper/023:31:510
111391240,0ptp4l0-21swapper/022:20:130
111391240,0ptp4l0-21swapper/021:32:280
111391240,0ptp4l0-21swapper/021:15:150
111391240,0ptp4l0-21swapper/021:15:150
111391240,0ptp4l0-21swapper/020:55:100
111391240,0ptp4l0-21swapper/020:40:150
111391240,0ptp4l0-21swapper/020:38:320
111391240,0ptp4l0-21swapper/020:26:500
111391240,0ptp4l0-21swapper/019:20:050
111391230,1ptp4l20699-21hddtemp_smartct21:40:100
111391230,0ptp4l0-21swapper/523:18:355
111391230,0ptp4l0-21swapper/523:05:125
111391230,0ptp4l0-21swapper/522:50:135
111391230,0ptp4l0-21swapper/522:18:215
111391230,0ptp4l0-21swapper/522:08:025
111391230,0ptp4l0-21swapper/521:49:555
111391230,0ptp4l0-21swapper/521:40:115
111391230,0ptp4l0-21swapper/521:20:075
111391230,0ptp4l0-21swapper/521:20:075
111391230,0ptp4l0-21swapper/521:16:095
111391230,0ptp4l0-21swapper/521:16:095
111391230,0ptp4l0-21swapper/520:55:185
111391230,0ptp4l0-21swapper/520:20:135
111391230,0ptp4l0-21swapper/519:40:215
111391230,0ptp4l0-21swapper/500:28:185
111391230,0ptp4l0-21swapper/500:20:125
111391230,0ptp4l0-21swapper/500:20:005
111391230,0ptp4l0-21swapper/500:00:015
111391230,0ptp4l0-21swapper/500:00:015
111391230,0ptp4l0-21swapper/423:50:144
111391230,0ptp4l0-21swapper/423:40:354
111391230,0ptp4l0-21swapper/423:10:474
111391230,0ptp4l0-21swapper/420:45:134
111391230,0ptp4l0-21swapper/420:40:154
111391230,0ptp4l0-21swapper/420:25:464
111391230,0ptp4l0-21swapper/420:15:194
111391230,0ptp4l0-21swapper/419:25:134
111391230,0ptp4l0-21swapper/419:20:214
111391230,0ptp4l0-21swapper/419:15:014
111391230,0ptp4l0-21swapper/419:10:464
111391230,0ptp4l0-21swapper/400:05:164
111391230,0ptp4l0-21swapper/323:58:093
111391230,0ptp4l0-21swapper/323:20:353
111391230,0ptp4l0-21swapper/223:45:152
111391230,0ptp4l0-21swapper/222:11:382
111391230,0ptp4l0-21swapper/222:08:252
111391230,0ptp4l0-21swapper/219:50:122
111391230,0ptp4l0-21swapper/123:50:181
111391230,0ptp4l0-21swapper/123:22:421
111391230,0ptp4l0-21swapper/123:12:131
111391230,0ptp4l0-21swapper/122:56:081
111391230,0ptp4l0-21swapper/122:40:111
111391230,0ptp4l0-21swapper/121:45:011
111391230,0ptp4l0-21swapper/121:35:141
111391230,0ptp4l0-21swapper/121:25:151
111391230,0ptp4l0-21swapper/119:55:151
111391230,0ptp4l0-21swapper/119:45:191
111391230,0ptp4l0-21swapper/119:40:171
111391230,0ptp4l0-21swapper/119:30:131
111391230,0ptp4l0-21swapper/100:35:101
111391230,0ptp4l0-21swapper/100:24:181
111391230,0ptp4l0-21swapper/023:35:150
111391230,0ptp4l0-21swapper/023:10:140
111391230,0ptp4l0-21swapper/023:07:330
111391230,0ptp4l0-21swapper/022:42:030
111391230,0ptp4l0-21swapper/021:13:150
111391230,0ptp4l0-21swapper/021:03:500
111391230,0ptp4l0-21swapper/020:30:120
111391230,0ptp4l0-21swapper/020:00:200
111391230,0ptp4l0-21swapper/019:50:180
111391230,0ptp4l0-21swapper/019:45:110
111391230,0ptp4l0-21swapper/019:45:000
111391230,0ptp4l0-21swapper/019:25:110
111391230,0ptp4l0-21swapper/019:10:110
111391230,0ptp4l0-21swapper/000:35:060
111391230,0ptp4l0-21swapper/000:30:190
111391230,0ptp4l0-21swapper/000:20:150
111391230,0ptp4l0-21swapper/000:15:170
111391220,0ptp4l0-21swapper/723:58:057
111391220,0ptp4l0-21swapper/723:13:347
111391220,0ptp4l0-21swapper/720:50:137
111391220,0ptp4l0-21swapper/621:47:066
111391220,0ptp4l0-21swapper/621:44:406
111391220,0ptp4l0-21swapper/619:50:116
111391220,0ptp4l0-21swapper/523:55:355
111391220,0ptp4l0-21swapper/523:46:245
111391220,0ptp4l0-21swapper/523:22:385
111391220,0ptp4l0-21swapper/523:02:185
111391220,0ptp4l0-21swapper/522:55:245
111391220,0ptp4l0-21swapper/522:40:125
111391220,0ptp4l0-21swapper/522:35:475
111391220,0ptp4l0-21swapper/522:30:215
111391220,0ptp4l0-21swapper/522:25:115
111391220,0ptp4l0-21swapper/522:13:355
111391220,0ptp4l0-21swapper/521:50:075
111391220,0ptp4l0-21swapper/521:30:515
111391220,0ptp4l0-21swapper/519:55:165
111391220,0ptp4l0-21swapper/500:33:205
111391220,0ptp4l0-21swapper/500:05:455
111391220,0ptp4l0-21swapper/419:45:104
111391220,0ptp4l0-21swapper/320:50:123
111391220,0ptp4l0-21swapper/123:47:501
111391220,0ptp4l0-21swapper/123:15:001
111391220,0ptp4l0-21swapper/122:51:531
111391220,0ptp4l0-21swapper/122:37:581
111391220,0ptp4l0-21swapper/122:32:181
111391220,0ptp4l0-21swapper/122:14:151
111391220,0ptp4l0-21swapper/122:02:551
111391220,0ptp4l0-21swapper/121:58:491
111391220,0ptp4l0-21swapper/121:40:151
111391220,0ptp4l0-21swapper/100:31:201
111391220,0ptp4l0-21swapper/100:06:371
111391220,0ptp4l0-21swapper/100:00:151
111391220,0ptp4l0-21swapper/100:00:151
111391220,0ptp4l0-21swapper/023:21:170
111391220,0ptp4l0-21swapper/023:15:130
111391220,0ptp4l0-21swapper/022:35:130
111391220,0ptp4l0-21swapper/022:15:530
111391220,0ptp4l0-21swapper/021:36:130
111391220,0ptp4l0-21swapper/020:55:000
111391220,0ptp4l0-21swapper/020:45:110
111391220,0ptp4l0-21swapper/020:15:120
111391220,0ptp4l0-21swapper/019:15:160
111391210,0ptp4l0-21swapper/622:09:496
111391210,0ptp4l0-21swapper/621:25:586
111391210,0ptp4l0-21swapper/600:10:406
111391210,0ptp4l0-21swapper/523:43:455
111391210,0ptp4l0-21swapper/523:34:085
111391210,0ptp4l0-21swapper/523:26:325
111391210,0ptp4l0-21swapper/523:12:125
111391210,0ptp4l0-21swapper/522:04:035
111391210,0ptp4l0-21swapper/521:28:305
111391210,0ptp4l0-21swapper/521:00:145
111391210,0ptp4l0-21swapper/520:51:025
111391210,0ptp4l0-21swapper/519:45:165
111391210,0ptp4l0-21swapper/500:35:075
111391210,0ptp4l0-21swapper/419:30:074
111391210,0ptp4l0-21swapper/323:13:403
111391210,0ptp4l0-21swapper/322:36:103
111391210,0ptp4l0-21swapper/223:56:532
111391210,0ptp4l0-21swapper/223:11:402
111391210,0ptp4l0-21swapper/221:44:412
111391210,0ptp4l0-21swapper/221:17:242
111391210,0ptp4l0-21swapper/221:17:242
111391210,0ptp4l0-21swapper/123:41:021
111391210,0ptp4l0-21swapper/123:37:181
111391210,0ptp4l0-21swapper/123:31:321
111391210,0ptp4l0-21swapper/120:53:081
111391210,0ptp4l0-21swapper/120:25:071
111391210,0ptp4l0-21swapper/100:14:491
111391210,0ptp4l0-21swapper/020:20:090
111391210,0ptp4l0-21swapper/019:57:010
111391200,0ptp4l0-21swapper/723:31:437
111391200,0ptp4l0-21swapper/623:59:406
111391200,0ptp4l0-21swapper/623:24:566
111391200,0ptp4l0-21swapper/621:31:236
111391200,0ptp4l0-21swapper/619:12:076
111391200,0ptp4l0-21swapper/600:16:276
111391200,0ptp4l0-21swapper/523:50:485
111391200,0ptp4l0-21swapper/523:36:425
111391200,0ptp4l0-21swapper/520:00:125
111391200,0ptp4l0-21swapper/500:14:395
111391200,0ptp4l0-21swapper/222:29:352
111391200,0ptp4l0-21swapper/222:20:052
111391200,0ptp4l0-21swapper/220:30:002
111391200,0ptp4l0-21swapper/200:16:132
111391200,0ptp4l0-21swapper/120:41:071
111391200,0ptp4l0-21swapper/120:17:011
111391200,0ptp4l0-21swapper/120:01:561
111391190,0ptp4l29742-21diskmemload21:25:582
111391190,0ptp4l0-21swapper/722:36:087
111391190,0ptp4l0-21swapper/622:28:536
111391190,0ptp4l0-21swapper/622:11:416
111391190,0ptp4l0-21swapper/521:56:495
111391190,0ptp4l0-21swapper/519:19:075
111391190,0ptp4l0-21swapper/323:31:463
111391190,0ptp4l0-21swapper/221:12:212
6684991811,6cyclictest3692-21sh21:59:377
17782180,1sleep7721ktimersoftd/720:05:217
111391180,0ptp4l0-21swapper/623:11:436
111391180,0ptp4l0-21swapper/622:23:056
111391180,0ptp4l0-21swapper/621:04:006
111391180,0ptp4l0-21swapper/520:44:015
111391180,0ptp4l0-21swapper/221:31:182
111391180,0ptp4l0-21swapper/200:39:342
111391180,0ptp4l0-21swapper/200:10:352
111391180,0ptp4l0-21swapper/123:55:371
111391180,0ptp4l0-21swapper/123:25:211
111391180,0ptp4l0-21swapper/121:00:141
111391180,0ptp4l0-21swapper/119:10:381
229182170,0sleep20-21swapper/223:51:132
111391170,2ptp4l0-21swapper/119:38:361
111391170,0ptp4l0-21swapper/623:37:316
111391170,0ptp4l0-21swapper/222:32:352
111391170,0ptp4l0-21swapper/200:25:402
111391170,0ptp4l0-21swapper/122:25:001
111391160,0ptp4l0-21swapper/621:12:216
111391160,0ptp4l0-21swapper/600:39:366
111391160,0ptp4l0-21swapper/519:27:545
111391160,0ptp4l0-21swapper/320:49:563
111391160,0ptp4l0-21swapper/120:48:041
111391160,0ptp4l0-21swapper/120:08:151
233042150,0sleep60-21swapper/623:09:436
111391150,0ptp4l0-21swapper/720:49:447
111391150,0ptp4l0-21swapper/622:38:176
111391150,0ptp4l0-21swapper/620:47:116
111391150,0ptp4l0-21swapper/620:30:016
111391150,0ptp4l0-21swapper/620:26:376
111391150,0ptp4l0-21swapper/619:59:376
111391150,0ptp4l0-21swapper/619:49:556
111391150,0ptp4l0-21swapper/619:30:016
111391150,0ptp4l0-21swapper/619:28:346
111391150,0ptp4l0-21swapper/619:20:286
111391150,0ptp4l0-21swapper/521:06:295
111391150,0ptp4l0-21swapper/520:45:505
111391150,0ptp4l0-21swapper/520:33:305
111391150,0ptp4l0-21swapper/520:25:075
111391150,0ptp4l0-21swapper/520:16:595
111391150,0ptp4l0-21swapper/520:11:105
111391150,0ptp4l0-21swapper/519:50:465
111391150,0ptp4l0-21swapper/519:38:595
111391150,0ptp4l0-21swapper/223:08:342
111391150,0ptp4l0-21swapper/221:47:032
111391150,0ptp4l0-21swapper/220:47:362
111391150,0ptp4l0-21swapper/220:31:572
111391150,0ptp4l0-21swapper/220:19:132
111391150,0ptp4l0-21swapper/219:59:372
111391150,0ptp4l0-21swapper/219:38:532
111391150,0ptp4l0-21swapper/219:20:322
111391150,0ptp4l0-21swapper/219:12:052
111391150,0ptp4l0-21swapper/121:06:281
111391150,0ptp4l0-21swapper/120:30:421
111391150,0ptp4l0-21swapper/120:11:091
111391150,0ptp4l0-21swapper/119:25:391
111391150,0ptp4l0-21swapper/119:20:071
111391140,0ptp4l0-21swapper/621:07:356
111391140,0ptp4l0-21swapper/620:11:256
111391140,0ptp4l0-21swapper/620:07:186
111391140,0ptp4l0-21swapper/620:00:546
111391140,0ptp4l0-21swapper/619:38:546
111391140,0ptp4l0-21swapper/600:04:586
111391140,0ptp4l0-21swapper/600:04:586
111391140,0ptp4l0-21swapper/520:37:385
111391140,0ptp4l0-21swapper/520:08:165
111391140,0ptp4l0-21swapper/519:10:025
111391140,0ptp4l0-21swapper/222:38:162
111391140,0ptp4l0-21swapper/221:07:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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