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2026-06-18 - 05:08

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 18, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
103712670,0sleep40-21swapper/421:27:094
178462660,0sleep10-21swapper/119:35:011
111391620,30ptp4l0-21swapper/019:06:220
111391610,5ptp4l0-21swapper/119:05:031
1881916050,6phc2sys0-21swapper/219:05:512
549825948,6sleep70-21swapper/719:09:447
43762590,0sleep20-21swapper/222:03:262
111391570,5ptp4l0-21swapper/419:06:464
539625433,7sleep50-21swapper/519:08:225
548824636,6sleep60-21swapper/619:09:366
536624635,7sleep30-21swapper/319:08:033
111391350,1ptp4l2729-21hddtemp_smartct23:30:124
111391340,0ptp4l0-21swapper/423:20:164
111391340,0ptp4l0-21swapper/022:05:120
111391340,0ptp4l0-21swapper/019:10:120
111391330,0ptp4l0-21swapper/422:51:294
111391330,0ptp4l0-21swapper/422:51:294
111391330,0ptp4l0-21swapper/421:14:394
111391330,0ptp4l0-21swapper/421:00:154
111391330,0ptp4l0-21swapper/420:25:174
111391330,0ptp4l0-21swapper/021:45:090
111391320,6ptp4l0-21swapper/400:19:584
111391320,0ptp4l0-21swapper/023:53:100
111391320,0ptp4l0-21swapper/023:35:150
111391320,0ptp4l0-21swapper/023:30:050
111391320,0ptp4l0-21swapper/021:43:520
111391310,1ptp4l577499cyclictest00:38:370
111391310,0ptp4l0-21swapper/423:50:004
111391310,0ptp4l0-21swapper/422:32:384
111391310,0ptp4l0-21swapper/421:21:244
111391310,0ptp4l0-21swapper/400:26:244
111391310,0ptp4l0-21swapper/400:20:144
111391310,0ptp4l0-21swapper/022:54:000
111391310,0ptp4l0-21swapper/022:54:000
111391310,0ptp4l0-21swapper/021:51:230
111391300,3ptp4l0-21swapper/023:46:190
111391300,2ptp4l0-21swapper/422:47:154
111391300,0ptp4l0-21swapper/422:25:554
111391300,0ptp4l0-21swapper/422:24:094
111391300,0ptp4l0-21swapper/421:54:534
111391300,0ptp4l0-21swapper/421:47:484
111391300,0ptp4l0-21swapper/421:17:114
111391300,0ptp4l0-21swapper/023:18:370
111391300,0ptp4l0-21swapper/023:03:240
111391300,0ptp4l0-21swapper/022:48:180
111391300,0ptp4l0-21swapper/022:30:500
111391300,0ptp4l0-21swapper/021:56:460
111391300,0ptp4l0-21swapper/021:10:100
111391290,2ptp4l0-21swapper/020:35:140
111391290,0ptp4l0-21swapper/423:49:524
111391290,0ptp4l0-21swapper/423:44:544
111391290,0ptp4l0-21swapper/423:38:374
111391290,0ptp4l0-21swapper/400:05:514
111391290,0ptp4l0-21swapper/323:06:353
111391290,0ptp4l0-21swapper/023:58:160
111391290,0ptp4l0-21swapper/022:24:050
111391280,0ptp4l0-21swapper/422:55:374
111391280,0ptp4l0-21swapper/422:13:434
111391280,0ptp4l0-21swapper/200:25:192
111391280,0ptp4l0-21swapper/023:26:480
111391280,0ptp4l0-21swapper/022:36:440
111391280,0ptp4l0-21swapper/022:11:120
111391280,0ptp4l0-21swapper/000:31:140
111391270,0ptp4l0-21swapper/622:57:236
111391270,0ptp4l0-21swapper/423:05:244
111391270,0ptp4l0-21swapper/423:02:544
111391270,0ptp4l0-21swapper/422:42:384
111391270,0ptp4l0-21swapper/421:44:564
111391270,0ptp4l0-21swapper/400:37:334
111391270,0ptp4l0-21swapper/100:32:561
111391270,0ptp4l0-21swapper/021:32:130
111391270,0ptp4l0-21swapper/021:21:160
111391260,0ptp4l0-21swapper/521:27:195
111391260,0ptp4l0-21swapper/520:40:145
111391260,0ptp4l0-21swapper/423:58:544
111391260,0ptp4l0-21swapper/423:16:264
111391260,0ptp4l0-21swapper/422:18:014
111391260,0ptp4l0-21swapper/400:33:214
111391260,0ptp4l0-21swapper/221:31:252
111391260,0ptp4l0-21swapper/023:21:540
111391260,0ptp4l0-21swapper/022:40:040
111391260,0ptp4l0-21swapper/022:00:180
111391260,0ptp4l0-21swapper/020:20:130
111391260,0ptp4l0-21swapper/000:16:510
580699250,11cyclictest0-21swapper/420:24:564
111391250,4ptp4l0-21swapper/020:12:470
111391250,4ptp4l0-21swapper/020:12:470
111391250,1ptp4l13706-21grep19:25:105
111391250,0ptp4l0-21swapper/720:35:177
111391250,0ptp4l0-21swapper/522:40:125
111391250,0ptp4l0-21swapper/420:04:454
111391250,0ptp4l0-21swapper/419:35:214
111391250,0ptp4l0-21swapper/120:15:141
111391250,0ptp4l0-21swapper/119:40:121
111391250,0ptp4l0-21swapper/021:25:240
111391250,0ptp4l0-21swapper/020:59:530
111391250,0ptp4l0-21swapper/020:50:170
111391250,0ptp4l0-21swapper/019:35:200
111391250,0ptp4l0-21swapper/000:28:550
111391250,0ptp4l0-21swapper/000:14:430
111391250,0ptp4l0-21swapper/000:08:300
111391240,3ptp4l0-21swapper/419:16:524
111391240,1ptp4l9177-21fw_forwarded_lo19:15:120
111391240,0ptp4l0-21swapper/721:06:157
111391240,0ptp4l0-21swapper/521:41:125
111391240,0ptp4l0-21swapper/519:40:145
111391240,0ptp4l0-21swapper/421:59:114
111391240,0ptp4l0-21swapper/421:35:394
111391240,0ptp4l0-21swapper/420:40:124
111391240,0ptp4l0-21swapper/420:37:514
111391240,0ptp4l0-21swapper/420:31:114
111391240,0ptp4l0-21swapper/419:49:594
111391240,0ptp4l0-21swapper/419:34:014
111391240,0ptp4l0-21swapper/419:23:184
111391240,0ptp4l0-21swapper/419:11:154
111391240,0ptp4l0-21swapper/400:10:364
111391240,0ptp4l0-21swapper/220:59:012
111391240,0ptp4l0-21swapper/121:55:171
111391240,0ptp4l0-21swapper/023:40:130
111391240,0ptp4l0-21swapper/023:10:240
111391240,0ptp4l0-21swapper/022:16:590
111391240,0ptp4l0-21swapper/020:40:220
111391240,0ptp4l0-21swapper/020:16:170
111391240,0ptp4l0-21swapper/019:42:230
111391240,0ptp4l0-21swapper/000:00:220
5813992320,0cyclictest0-21swapper/523:32:275
312192230,0sleep70-21swapper/721:11:107
111391230,1ptp4l12471-21ssh22:59:560
111391230,0ptp4l28104-21strings22:35:154
111391230,0ptp4l18715-21strings20:45:164
111391230,0ptp4l0-21swapper/723:07:387
111391230,0ptp4l0-21swapper/623:25:156
111391230,0ptp4l0-21swapper/600:25:296
111391230,0ptp4l0-21swapper/600:00:516
111391230,0ptp4l0-21swapper/522:55:165
111391230,0ptp4l0-21swapper/522:11:265
111391230,0ptp4l0-21swapper/521:08:215
111391230,0ptp4l0-21swapper/520:10:185
111391230,0ptp4l0-21swapper/520:10:175
111391230,0ptp4l0-21swapper/423:26:464
111391230,0ptp4l0-21swapper/423:10:574
111391230,0ptp4l0-21swapper/422:05:134
111391230,0ptp4l0-21swapper/422:00:134
111391230,0ptp4l0-21swapper/421:30:214
111391230,0ptp4l0-21swapper/421:05:264
111391230,0ptp4l0-21swapper/420:59:374
111391230,0ptp4l0-21swapper/420:05:114
111391230,0ptp4l0-21swapper/419:57:094
111391230,0ptp4l0-21swapper/321:05:513
111391230,0ptp4l0-21swapper/222:34:552
111391230,0ptp4l0-21swapper/123:35:571
111391230,0ptp4l0-21swapper/122:55:201
111391230,0ptp4l0-21swapper/122:40:201
111391230,0ptp4l0-21swapper/122:00:591
111391230,0ptp4l0-21swapper/121:51:331
111391230,0ptp4l0-21swapper/120:55:141
111391230,0ptp4l0-21swapper/120:45:011
111391230,0ptp4l0-21swapper/120:30:111
111391230,0ptp4l0-21swapper/120:10:121
111391230,0ptp4l0-21swapper/120:10:111
111391230,0ptp4l0-21swapper/120:00:101
111391230,0ptp4l0-21swapper/119:25:111
111391230,0ptp4l0-21swapper/119:15:001
111391230,0ptp4l0-21swapper/100:25:151
111391230,0ptp4l0-21swapper/023:05:190
111391230,0ptp4l0-21swapper/022:25:150
111391230,0ptp4l0-21swapper/021:35:150
111391230,0ptp4l0-21swapper/021:15:130
111391230,0ptp4l0-21swapper/021:05:090
111391230,0ptp4l0-21swapper/020:26:550
111391230,0ptp4l0-21swapper/020:05:110
111391230,0ptp4l0-21swapper/019:30:050
111391230,0ptp4l0-21swapper/019:20:130
111391230,0ptp4l0-21swapper/000:20:130
5813992219,0cyclictest0-21swapper/523:50:115
5813992219,0cyclictest0-21swapper/523:08:215
111391220,0ptp4l28898-21diskmemload21:20:365
111391220,0ptp4l0-21swapper/700:07:287
111391220,0ptp4l0-21swapper/623:42:146
111391220,0ptp4l0-21swapper/622:34:586
111391220,0ptp4l0-21swapper/621:31:346
111391220,0ptp4l0-21swapper/523:57:115
111391220,0ptp4l0-21swapper/523:28:035
111391220,0ptp4l0-21swapper/523:18:205
111391220,0ptp4l0-21swapper/523:12:115
111391220,0ptp4l0-21swapper/522:53:345
111391220,0ptp4l0-21swapper/522:53:345
111391220,0ptp4l0-21swapper/522:49:115
111391220,0ptp4l0-21swapper/522:21:095
111391220,0ptp4l0-21swapper/522:15:135
111391220,0ptp4l0-21swapper/522:07:465
111391220,0ptp4l0-21swapper/521:55:185
111391220,0ptp4l0-21swapper/521:52:015
111391220,0ptp4l0-21swapper/521:45:445
111391220,0ptp4l0-21swapper/521:12:125
111391220,0ptp4l0-21swapper/520:55:165
111391220,0ptp4l0-21swapper/520:30:155
111391220,0ptp4l0-21swapper/520:00:115
111391220,0ptp4l0-21swapper/500:34:215
111391220,0ptp4l0-21swapper/500:25:175
111391220,0ptp4l0-21swapper/500:24:515
111391220,0ptp4l0-21swapper/500:07:585
111391220,0ptp4l0-21swapper/420:15:084
111391220,0ptp4l0-21swapper/419:50:134
111391220,0ptp4l0-21swapper/400:00:164
111391220,0ptp4l0-21swapper/320:35:163
111391220,0ptp4l0-21swapper/300:29:193
111391220,0ptp4l0-21swapper/223:09:222
111391220,0ptp4l0-21swapper/222:25:002
111391220,0ptp4l0-21swapper/123:55:311
111391220,0ptp4l0-21swapper/123:31:071
111391220,0ptp4l0-21swapper/123:22:161
111391220,0ptp4l0-21swapper/123:16:531
111391220,0ptp4l0-21swapper/123:12:481
111391220,0ptp4l0-21swapper/123:01:121
111391220,0ptp4l0-21swapper/122:53:331
111391220,0ptp4l0-21swapper/122:53:321
111391220,0ptp4l0-21swapper/122:49:131
111391220,0ptp4l0-21swapper/122:38:591
111391220,0ptp4l0-21swapper/122:32:151
111391220,0ptp4l0-21swapper/122:21:111
111391220,0ptp4l0-21swapper/122:16:331
111391220,0ptp4l0-21swapper/122:10:241
111391220,0ptp4l0-21swapper/122:07:521
111391220,0ptp4l0-21swapper/121:46:111
111391220,0ptp4l0-21swapper/121:36:571
111391220,0ptp4l0-21swapper/121:30:171
111391220,0ptp4l0-21swapper/121:26:431
111391220,0ptp4l0-21swapper/121:20:481
111391220,0ptp4l0-21swapper/121:17:351
111391220,0ptp4l0-21swapper/121:00:161
111391220,0ptp4l0-21swapper/120:40:001
111391220,0ptp4l0-21swapper/100:35:121
111391220,0ptp4l0-21swapper/100:18:121
111391220,0ptp4l0-21swapper/020:45:170
111391220,0ptp4l0-21swapper/020:30:110
111391220,0ptp4l0-21swapper/019:55:140
111391210,0ptp4l0-21swapper/623:09:146
111391210,0ptp4l0-21swapper/623:00:326
111391210,0ptp4l0-21swapper/622:43:386
111391210,0ptp4l0-21swapper/622:25:036
111391210,0ptp4l0-21swapper/622:01:576
111391210,0ptp4l0-21swapper/621:39:566
111391210,0ptp4l0-21swapper/620:59:146
111391210,0ptp4l0-21swapper/523:40:025
111391210,0ptp4l0-21swapper/523:22:155
111391210,0ptp4l0-21swapper/523:01:325
111391210,0ptp4l0-21swapper/522:04:575
111391210,0ptp4l0-21swapper/521:36:475
111391210,0ptp4l0-21swapper/521:34:225
111391210,0ptp4l0-21swapper/521:18:535
111391210,0ptp4l0-21swapper/520:15:175
111391210,0ptp4l0-21swapper/519:15:215
111391210,0ptp4l0-21swapper/500:18:155
111391210,0ptp4l0-21swapper/420:50:114
111391210,0ptp4l0-21swapper/420:10:324
111391210,0ptp4l0-21swapper/420:10:314
111391210,0ptp4l0-21swapper/419:27:014
111391210,0ptp4l0-21swapper/321:11:113
111391210,0ptp4l0-21swapper/300:07:023
111391210,0ptp4l0-21swapper/223:42:132
111391210,0ptp4l0-21swapper/222:50:422
111391210,0ptp4l0-21swapper/222:50:422
111391210,0ptp4l0-21swapper/222:43:322
111391210,0ptp4l0-21swapper/220:12:222
111391210,0ptp4l0-21swapper/220:12:212
111391210,0ptp4l0-21swapper/200:19:502
111391210,0ptp4l0-21swapper/123:50:351
111391210,0ptp4l0-21swapper/123:43:381
111391210,0ptp4l0-21swapper/123:28:541
111391210,0ptp4l0-21swapper/121:40:231
111391210,0ptp4l0-21swapper/121:11:281
111391210,0ptp4l0-21swapper/100:24:531
111391210,0ptp4l0-21swapper/100:01:111
111391210,0ptp4l0-21swapper/021:00:100
111391210,0ptp4l0-21swapper/020:04:560
111391210,0ptp4l0-21swapper/019:47:160
111391210,0ptp4l0-21swapper/019:30:000
111391200,3ptp4l321ktimersoftd/221:00:052
111391200,0ptp4l0-21swapper/721:40:097
111391200,0ptp4l0-21swapper/623:49:166
111391200,0ptp4l0-21swapper/623:20:576
111391200,0ptp4l0-21swapper/523:37:065
111391200,0ptp4l0-21swapper/521:02:145
111391200,0ptp4l0-21swapper/500:36:155
111391200,0ptp4l0-21swapper/500:12:035
111391200,0ptp4l0-21swapper/419:42:024
111391200,0ptp4l0-21swapper/222:58:152
111391200,0ptp4l0-21swapper/222:25:022
111391200,0ptp4l0-21swapper/222:14:062
111391200,0ptp4l0-21swapper/221:39:512
111391200,0ptp4l0-21swapper/200:00:492
111391200,0ptp4l0-21swapper/120:26:091
111391200,0ptp4l0-21swapper/119:36:161
111391200,0ptp4l0-21swapper/119:10:131
111391200,0ptp4l0-21swapper/100:11:511
111391200,0ptp4l0-21swapper/100:06:571
111391200,0ptp4l0-21swapper/019:50:160
154222190,1sleep341-21ksoftirqd/322:18:513
111391190,0ptp4l0-21swapper/622:25:006
111391190,0ptp4l0-21swapper/600:35:376
111391190,0ptp4l0-21swapper/600:19:526
111391190,0ptp4l0-21swapper/522:31:285
111391190,0ptp4l0-21swapper/522:26:515
111391190,0ptp4l0-21swapper/520:09:105
111391190,0ptp4l0-21swapper/519:50:455
111391190,0ptp4l0-21swapper/500:01:145
111391190,0ptp4l0-21swapper/223:48:452
111391190,0ptp4l0-21swapper/223:25:162
111391190,0ptp4l0-21swapper/220:49:552
111391190,0ptp4l0-21swapper/200:35:382
111391190,0ptp4l0-21swapper/200:07:372
111391190,0ptp4l0-21swapper/119:54:161
111391180,1ptp4l0-21swapper/223:34:042
111391180,0ptp4l0-21swapper/721:37:377
111391180,0ptp4l0-21swapper/622:35:026
111391180,0ptp4l0-21swapper/620:02:176
111391180,0ptp4l0-21swapper/123:48:321
5813991714,0cyclictest0-21swapper/523:45:255
579999178,8cyclictest0-21swapper/320:24:563
111391170,0ptp4l0-21swapper/122:26:461
582999160,10cyclictest24271-21/usr/sbin/munin00:00:157
257202160,0sleep30-21swapper/321:48:213
209932160,0sleep51068-21runrttasks20:50:175
111391160,0ptp4l0-21swapper/623:34:566
111391160,0ptp4l0-21swapper/622:00:006
111391160,0ptp4l0-21swapper/600:07:366
111391160,0ptp4l0-21swapper/522:39:015
111391160,0ptp4l0-21swapper/520:39:455
111391160,0ptp4l0-21swapper/519:36:025
111391160,0ptp4l0-21swapper/519:22:345
111391160,0ptp4l0-21swapper/223:20:572
111391160,0ptp4l0-21swapper/223:00:312
111391160,0ptp4l0-21swapper/123:08:421
111391160,0ptp4l0-21swapper/121:05:371
111391160,0ptp4l0-21swapper/120:54:241
111391160,0ptp4l0-21swapper/119:59:401
111391150,0ptp4l0-21swapper/622:14:046
111391150,0ptp4l0-21swapper/621:15:566
111391150,0ptp4l0-21swapper/621:09:106
111391150,0ptp4l0-21swapper/620:49:546
111391150,0ptp4l0-21swapper/620:22:176
111391150,0ptp4l0-21swapper/620:12:226
111391150,0ptp4l0-21swapper/620:12:216
111391150,0ptp4l0-21swapper/619:41:196
111391150,0ptp4l0-21swapper/619:25:266
111391150,0ptp4l0-21swapper/520:47:005
111391150,0ptp4l0-21swapper/520:25:525
111391150,0ptp4l0-21swapper/519:56:585
111391150,0ptp4l0-21swapper/519:47:405
111391150,0ptp4l0-21swapper/519:30:375
111391150,0ptp4l0-21swapper/519:12:335
111391150,0ptp4l0-21swapper/321:37:363
111391150,0ptp4l0-21swapper/222:35:042
111391150,0ptp4l0-21swapper/221:59:582
111391150,0ptp4l0-21swapper/221:09:162
111391150,0ptp4l0-21swapper/220:30:412
111391150,0ptp4l0-21swapper/219:25:232
111391150,0ptp4l0-21swapper/219:14:422
111391150,0ptp4l0-21swapper/120:46:571
111391150,0ptp4l0-21swapper/120:08:341
111391150,0ptp4l0-21swapper/119:47:381
111391150,0ptp4l0-21swapper/119:21:231
111391140,0ptp4l0-21swapper/622:50:436
111391140,0ptp4l0-21swapper/622:50:436
111391140,0ptp4l0-21swapper/621:00:036
111391140,0ptp4l0-21swapper/620:30:426
111391140,0ptp4l0-21swapper/620:06:516
111391140,0ptp4l0-21swapper/619:52:186
111391140,0ptp4l0-21swapper/619:46:536
111391140,0ptp4l0-21swapper/321:40:103
111391140,0ptp4l0-21swapper/221:15:552
111391140,0ptp4l0-21swapper/220:22:152
111391140,0ptp4l0-21swapper/220:06:502
111391140,0ptp4l0-21swapper/220:02:152
111391140,0ptp4l0-21swapper/219:52:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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