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2026-04-12 - 06:22

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 Sun Apr 12, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391640,5ptp4l0-21swapper/419:06:254
260062630,0sleep60-21swapper/600:21:336
113522620,0sleep70-21swapper/721:43:467
1881915836,7phc2sys0-21swapper/119:08:161
111391560,5ptp4l0-21swapper/019:06:150
2764325432,7sleep60-21swapper/619:08:066
17712530,0sleep00-21swapper/000:34:330
2756925231,4sleep50-21swapper/519:07:105
2755325038,7sleep70-21swapper/719:06:557
2750725040,6sleep20-21swapper/219:06:262
2743524736,7sleep30-21swapper/319:05:303
111391330,1ptp4l3043-21irqstats00:35:160
111391310,4ptp4l0-21swapper/423:35:124
111391310,0ptp4l0-21swapper/023:37:010
111391300,0ptp4l0-21swapper/422:37:394
111391300,0ptp4l0-21swapper/022:53:170
111391290,0ptp4l9-21ksoftirqd/000:28:500
111391290,0ptp4l0-21swapper/722:25:067
111391290,0ptp4l0-21swapper/521:40:175
111391290,0ptp4l0-21swapper/421:00:164
111391290,0ptp4l0-21swapper/021:45:140
111391280,0ptp4l0-21swapper/519:10:185
111391280,0ptp4l0-21swapper/423:54:424
111391280,0ptp4l0-21swapper/423:33:594
111391280,0ptp4l0-21swapper/423:19:524
111391280,0ptp4l0-21swapper/422:21:294
111391280,0ptp4l0-21swapper/422:07:104
111391280,0ptp4l0-21swapper/421:48:404
111391280,0ptp4l0-21swapper/421:25:184
111391280,0ptp4l0-21swapper/400:33:134
111391280,0ptp4l0-21swapper/121:41:201
111391280,0ptp4l0-21swapper/119:15:131
111391280,0ptp4l0-21swapper/100:04:491
111391280,0ptp4l0-21swapper/023:17:200
111391280,0ptp4l0-21swapper/022:32:130
111391280,0ptp4l0-21swapper/022:14:170
111391280,0ptp4l0-21swapper/022:14:160
111391280,0ptp4l0-21swapper/000:21:360
111391280,0ptp4l0-21swapper/000:03:550
111391270,0ptp4l0-21swapper/522:04:525
111391270,0ptp4l0-21swapper/521:51:065
111391270,0ptp4l0-21swapper/521:20:095
111391270,0ptp4l0-21swapper/521:15:005
111391270,0ptp4l0-21swapper/520:30:205
111391270,0ptp4l0-21swapper/423:46:374
111391270,0ptp4l0-21swapper/423:29:394
111391270,0ptp4l0-21swapper/422:48:474
111391270,0ptp4l0-21swapper/421:22:374
111391270,0ptp4l0-21swapper/421:18:314
111391270,0ptp4l0-21swapper/420:35:144
111391270,0ptp4l0-21swapper/400:25:154
111391270,0ptp4l0-21swapper/400:08:134
111391270,0ptp4l0-21swapper/123:48:151
111391270,0ptp4l0-21swapper/123:21:001
111391270,0ptp4l0-21swapper/121:36:381
111391270,0ptp4l0-21swapper/100:19:591
111391270,0ptp4l0-21swapper/023:57:310
111391270,0ptp4l0-21swapper/022:16:200
111391270,0ptp4l0-21swapper/022:16:200
111391260,0ptp4l0-21swapper/623:37:466
111391260,0ptp4l0-21swapper/523:16:315
111391260,0ptp4l0-21swapper/522:10:265
111391260,0ptp4l0-21swapper/522:10:255
111391260,0ptp4l0-21swapper/521:57:305
111391260,0ptp4l0-21swapper/520:05:145
111391260,0ptp4l0-21swapper/423:56:524
111391260,0ptp4l0-21swapper/423:20:314
111391260,0ptp4l0-21swapper/422:30:104
111391260,0ptp4l0-21swapper/421:56:134
111391260,0ptp4l0-21swapper/419:30:174
111391260,0ptp4l0-21swapper/419:30:174
111391260,0ptp4l0-21swapper/400:37:384
111391260,0ptp4l0-21swapper/400:20:454
111391260,0ptp4l0-21swapper/323:43:043
111391260,0ptp4l0-21swapper/123:50:131
111391260,0ptp4l0-21swapper/123:32:271
111391260,0ptp4l0-21swapper/121:15:171
111391260,0ptp4l0-21swapper/023:28:390
111391260,0ptp4l0-21swapper/023:20:270
111391260,0ptp4l0-21swapper/023:12:080
111391260,0ptp4l0-21swapper/023:04:580
111391260,0ptp4l0-21swapper/022:55:230
111391250,1ptp4l4653-21ssh23:05:154
111391250,1ptp4l27267-21ssh22:50:204
111391250,0ptp4l0-21swapper/719:25:207
111391250,0ptp4l0-21swapper/522:30:025
111391250,0ptp4l0-21swapper/500:19:315
111391250,0ptp4l0-21swapper/422:28:144
111391250,0ptp4l0-21swapper/422:15:464
111391250,0ptp4l0-21swapper/422:15:454
111391250,0ptp4l0-21swapper/422:03:304
111391250,0ptp4l0-21swapper/421:41:314
111391250,0ptp4l0-21swapper/421:39:094
111391250,0ptp4l0-21swapper/421:31:084
111391250,0ptp4l0-21swapper/400:10:184
111391250,0ptp4l0-21swapper/400:02:134
111391250,0ptp4l0-21swapper/323:21:303
111391250,0ptp4l0-21swapper/121:24:211
111391250,0ptp4l0-21swapper/120:25:001
111391250,0ptp4l0-21swapper/023:49:170
111391250,0ptp4l0-21swapper/022:29:550
111391250,0ptp4l0-21swapper/021:34:000
111391250,0ptp4l0-21swapper/021:22:380
111391250,0ptp4l0-21swapper/000:17:020
111391250,0ptp4l0-21swapper/000:06:290
111391240,2ptp4l0-21swapper/522:05:365
111391240,1ptp4l31788-21date20:25:174
111391240,0ptp4l11776-21ssh21:44:590
111391240,0ptp4l0-21swapper/523:25:165
111391240,0ptp4l0-21swapper/521:15:165
111391240,0ptp4l0-21swapper/521:05:115
111391240,0ptp4l0-21swapper/423:00:314
111391240,0ptp4l0-21swapper/422:55:104
111391240,0ptp4l0-21swapper/422:42:084
111391240,0ptp4l0-21swapper/422:14:554
111391240,0ptp4l0-21swapper/422:14:544
111391240,0ptp4l0-21swapper/420:45:194
111391240,0ptp4l0-21swapper/123:06:561
111391240,0ptp4l0-21swapper/122:46:561
111391240,0ptp4l0-21swapper/023:40:200
111391240,0ptp4l0-21swapper/023:06:500
111391240,0ptp4l0-21swapper/021:58:140
111391240,0ptp4l0-21swapper/021:53:300
111391240,0ptp4l0-21swapper/021:29:360
111391240,0ptp4l0-21swapper/021:10:210
111391230,2ptp4l0-21swapper/500:13:285
111391230,1ptp4l9231-21users23:10:204
111391230,1ptp4l27095-21memory20:15:162
111391230,1ptp4l24026-21/usr/sbin/munin20:10:184
111391230,1ptp4l20795-21sed21:10:224
111391230,0ptp4l6935-21timerandwakeup19:30:190
111391230,0ptp4l6935-21timerandwakeup19:30:180
111391230,0ptp4l0-21swapper/723:44:517
111391230,0ptp4l0-21swapper/723:21:597
111391230,0ptp4l0-21swapper/722:25:017
111391230,0ptp4l0-21swapper/720:50:197
111391230,0ptp4l0-21swapper/620:39:596
111391230,0ptp4l0-21swapper/523:50:185
111391230,0ptp4l0-21swapper/521:39:505
111391230,0ptp4l0-21swapper/520:54:595
111391230,0ptp4l0-21swapper/500:09:035
111391230,0ptp4l0-21swapper/423:40:434
111391230,0ptp4l0-21swapper/421:05:204
111391230,0ptp4l0-21swapper/419:50:184
111391230,0ptp4l0-21swapper/419:45:214
111391230,0ptp4l0-21swapper/419:35:154
111391230,0ptp4l0-21swapper/419:35:144
111391230,0ptp4l0-21swapper/323:30:193
111391230,0ptp4l0-21swapper/122:32:161
111391230,0ptp4l0-21swapper/122:10:121
111391230,0ptp4l0-21swapper/122:10:121
111391230,0ptp4l0-21swapper/122:09:531
111391230,0ptp4l0-21swapper/121:59:401
111391230,0ptp4l0-21swapper/121:50:201
111391230,0ptp4l0-21swapper/121:30:201
111391230,0ptp4l0-21swapper/121:30:011
111391230,0ptp4l0-21swapper/121:10:391
111391230,0ptp4l0-21swapper/119:10:181
111391230,0ptp4l0-21swapper/023:32:060
111391230,0ptp4l0-21swapper/022:45:130
111391230,0ptp4l0-21swapper/022:01:090
111391230,0ptp4l0-21swapper/021:35:190
111391230,0ptp4l0-21swapper/021:05:390
111391230,0ptp4l0-21swapper/020:45:160
111391230,0ptp4l0-21swapper/020:35:190
111391230,0ptp4l0-21swapper/020:22:470
111391230,0ptp4l0-21swapper/019:55:210
111391230,0ptp4l0-21swapper/019:45:190
111391230,0ptp4l0-21swapper/019:40:180
111391230,0ptp4l0-21swapper/019:35:110
111391230,0ptp4l0-21swapper/019:35:100
111391230,0ptp4l0-21swapper/019:30:000
28098992218,3cyclictest19055-21turbostat20:00:006
111391220,0ptp4l57-21ksoftirqd/522:45:185
111391220,0ptp4l28275-21ssh22:06:080
111391220,0ptp4l22827-21ssh00:17:574
111391220,0ptp4l0-21swapper/723:45:127
111391220,0ptp4l0-21swapper/723:30:197
111391220,0ptp4l0-21swapper/719:25:017
111391220,0ptp4l0-21swapper/620:15:136
111391220,0ptp4l0-21swapper/523:32:365
111391220,0ptp4l0-21swapper/523:05:425
111391220,0ptp4l0-21swapper/522:15:205
111391220,0ptp4l0-21swapper/522:15:195
111391220,0ptp4l0-21swapper/521:47:385
111391220,0ptp4l0-21swapper/521:27:225
111391220,0ptp4l0-21swapper/520:55:115
111391220,0ptp4l0-21swapper/520:30:005
111391220,0ptp4l0-21swapper/519:40:115
111391220,0ptp4l0-21swapper/519:15:175
111391220,0ptp4l0-21swapper/500:40:015
111391220,0ptp4l0-21swapper/500:20:105
111391220,0ptp4l0-21swapper/420:55:154
111391220,0ptp4l0-21swapper/420:50:174
111391220,0ptp4l0-21swapper/420:40:124
111391220,0ptp4l0-21swapper/420:20:094
111391220,0ptp4l0-21swapper/420:05:204
111391220,0ptp4l0-21swapper/420:00:014
111391220,0ptp4l0-21swapper/419:55:174
111391220,0ptp4l0-21swapper/419:20:144
111391220,0ptp4l0-21swapper/319:25:143
111391220,0ptp4l0-21swapper/222:35:122
111391220,0ptp4l0-21swapper/123:38:541
111391220,0ptp4l0-21swapper/123:25:151
111391220,0ptp4l0-21swapper/123:10:341
111391220,0ptp4l0-21swapper/122:50:201
111391220,0ptp4l0-21swapper/122:37:491
111391220,0ptp4l0-21swapper/122:22:361
111391220,0ptp4l0-21swapper/122:15:191
111391220,0ptp4l0-21swapper/122:15:181
111391220,0ptp4l0-21swapper/122:04:101
111391220,0ptp4l0-21swapper/121:47:161
111391220,0ptp4l0-21swapper/121:05:141
111391220,0ptp4l0-21swapper/120:55:191
111391220,0ptp4l0-21swapper/120:42:431
111391220,0ptp4l0-21swapper/120:30:171
111391220,0ptp4l0-21swapper/119:40:151
111391220,0ptp4l0-21swapper/100:35:061
111391220,0ptp4l0-21swapper/100:25:531
111391220,0ptp4l0-21swapper/100:20:051
111391220,0ptp4l0-21swapper/100:05:021
111391220,0ptp4l0-21swapper/023:50:010
111391220,0ptp4l0-21swapper/022:40:130
111391220,0ptp4l0-21swapper/022:35:210
111391220,0ptp4l0-21swapper/022:20:070
111391220,0ptp4l0-21swapper/021:16:360
111391220,0ptp4l0-21swapper/021:00:110
111391220,0ptp4l0-21swapper/020:40:180
111391220,0ptp4l0-21swapper/020:25:170
111391220,0ptp4l0-21swapper/020:05:150
111391220,0ptp4l0-21swapper/020:00:130
111391220,0ptp4l0-21swapper/019:20:120
111391220,0ptp4l0-21swapper/019:10:150
111391220,0ptp4l0-21swapper/000:10:150
111391210,1ptp4l18823-21diskmemload22:29:355
111391210,0ptp4l0-21swapper/700:28:137
111391210,0ptp4l0-21swapper/623:46:476
111391210,0ptp4l0-21swapper/622:36:086
111391210,0ptp4l0-21swapper/621:28:176
111391210,0ptp4l0-21swapper/523:59:135
111391210,0ptp4l0-21swapper/523:47:555
111391210,0ptp4l0-21swapper/523:37:355
111391210,0ptp4l0-21swapper/523:23:425
111391210,0ptp4l0-21swapper/523:10:445
111391210,0ptp4l0-21swapper/522:50:425
111391210,0ptp4l0-21swapper/522:43:465
111391210,0ptp4l0-21swapper/522:36:255
111391210,0ptp4l0-21swapper/522:21:525
111391210,0ptp4l0-21swapper/521:31:355
111391210,0ptp4l0-21swapper/500:34:205
111391210,0ptp4l0-21swapper/500:25:035
111391210,0ptp4l0-21swapper/500:00:535
111391210,0ptp4l0-21swapper/421:52:354
111391210,0ptp4l0-21swapper/419:29:344
111391210,0ptp4l0-21swapper/323:46:043
111391210,0ptp4l0-21swapper/300:27:523
111391210,0ptp4l0-21swapper/223:19:022
111391210,0ptp4l0-21swapper/223:13:002
111391210,0ptp4l0-21swapper/222:19:542
111391210,0ptp4l0-21swapper/222:19:532
111391210,0ptp4l0-21swapper/123:55:401
111391210,0ptp4l0-21swapper/123:04:241
111391210,0ptp4l0-21swapper/122:56:231
111391210,0ptp4l0-21swapper/122:40:301
111391210,0ptp4l0-21swapper/120:48:561
111391210,0ptp4l0-21swapper/120:29:371
111391210,0ptp4l0-21swapper/120:19:441
111391210,0ptp4l0-21swapper/119:27:401
111391210,0ptp4l0-21swapper/100:34:221
111391210,0ptp4l0-21swapper/020:55:150
111391210,0ptp4l0-21swapper/020:50:170
111391210,0ptp4l0-21swapper/020:10:010
111391210,0ptp4l0-21swapper/019:50:130
111391210,0ptp4l0-21swapper/019:16:200
111391200,0ptp4l0-21swapper/623:33:456
111391200,0ptp4l0-21swapper/623:12:216
111391200,0ptp4l0-21swapper/622:46:276
111391200,0ptp4l0-21swapper/600:38:366
111391200,0ptp4l0-21swapper/523:01:315
111391200,0ptp4l0-21swapper/522:56:135
111391200,0ptp4l0-21swapper/521:02:385
111391200,0ptp4l0-21swapper/520:48:055
111391200,0ptp4l0-21swapper/519:35:505
111391200,0ptp4l0-21swapper/519:35:495
111391200,0ptp4l0-21swapper/519:20:505
111391200,0ptp4l0-21swapper/420:34:474
111391200,0ptp4l0-21swapper/419:41:444
111391200,0ptp4l0-21swapper/322:25:033
111391200,0ptp4l0-21swapper/223:48:472
111391200,0ptp4l0-21swapper/223:04:422
111391200,0ptp4l0-21swapper/222:46:302
111391200,0ptp4l0-21swapper/220:14:382
111391200,0ptp4l0-21swapper/123:16:271
111391200,0ptp4l0-21swapper/122:27:451
111391200,0ptp4l0-21swapper/121:04:541
111391200,0ptp4l0-21swapper/119:37:511
111391200,0ptp4l0-21swapper/119:37:501
111391200,0ptp4l0-21swapper/100:12:331
111391190,0ptp4l0-21swapper/623:18:586
111391190,0ptp4l0-21swapper/622:19:596
111391190,0ptp4l0-21swapper/622:19:596
111391190,0ptp4l0-21swapper/519:26:525
111391190,0ptp4l0-21swapper/419:10:134
111391190,0ptp4l0-21swapper/322:24:533
111391190,0ptp4l0-21swapper/223:37:492
111391190,0ptp4l0-21swapper/222:13:362
111391190,0ptp4l0-21swapper/222:13:352
111391190,0ptp4l0-21swapper/200:31:102
111391190,0ptp4l0-21swapper/120:39:521
111391190,0ptp4l0-21swapper/119:20:521
111391190,0ptp4l0-21swapper/020:33:590
111391180,2ptp4l0-21swapper/119:53:321
111391180,0ptp4l0-21swapper/622:13:306
111391180,0ptp4l0-21swapper/622:13:306
111391180,0ptp4l0-21swapper/520:19:535
111391180,0ptp4l0-21swapper/520:11:545
111391180,0ptp4l0-21swapper/519:51:495
111391180,0ptp4l0-21swapper/223:32:402
111391180,0ptp4l0-21swapper/222:43:262
111391180,0ptp4l0-21swapper/221:28:132
111391180,0ptp4l0-21swapper/200:38:342
111391180,0ptp4l0-21swapper/200:24:532
111391180,0ptp4l0-21swapper/123:40:221
111391180,0ptp4l0-21swapper/119:56:511
111391170,0ptp4l0-21swapper/620:08:076
111391170,0ptp4l0-21swapper/600:31:116
111391170,0ptp4l0-21swapper/223:54:442
111391170,0ptp4l0-21swapper/120:12:591
111391160,0ptp4l0-21swapper/520:03:525
111391160,0ptp4l0-21swapper/320:50:373
111391160,0ptp4l0-21swapper/120:52:221
111391160,0ptp4l0-21swapper/120:09:191
111391160,0ptp4l0-21swapper/119:48:021
111391160,0ptp4l0-21swapper/119:32:281
111391160,0ptp4l0-21swapper/119:32:271
2810399150,2cyclictest0-21swapper/719:15:127
111391150,0ptp4l0-21swapper/720:18:377
111391150,0ptp4l0-21swapper/623:04:436
111391150,0ptp4l0-21swapper/622:04:016
111391150,0ptp4l0-21swapper/621:05:566
111391150,0ptp4l0-21swapper/620:57:406
111391150,0ptp4l0-21swapper/620:40:016
111391150,0ptp4l0-21swapper/620:33:106
111391150,0ptp4l0-21swapper/620:23:436
111391150,0ptp4l0-21swapper/620:14:356
111391150,0ptp4l0-21swapper/620:02:006
111391150,0ptp4l0-21swapper/619:50:426
111391150,0ptp4l0-21swapper/619:49:466
111391150,0ptp4l0-21swapper/523:40:235
111391150,0ptp4l0-21swapper/520:42:055
111391150,0ptp4l0-21swapper/520:38:155
111391150,0ptp4l0-21swapper/520:20:035
111391150,0ptp4l0-21swapper/519:56:545
111391150,0ptp4l0-21swapper/519:32:305
111391150,0ptp4l0-21swapper/519:32:295
111391150,0ptp4l0-21swapper/420:15:014
111391150,0ptp4l0-21swapper/419:15:044
111391150,0ptp4l0-21swapper/320:20:473
111391150,0ptp4l0-21swapper/319:24:343
111391150,0ptp4l0-21swapper/222:04:002
111391150,0ptp4l0-21swapper/221:05:552
111391150,0ptp4l0-21swapper/220:40:042
111391150,0ptp4l0-21swapper/220:39:572
111391150,0ptp4l0-21swapper/220:31:382
111391150,0ptp4l0-21swapper/220:23:422
111391150,0ptp4l0-21swapper/220:06:012
111391150,0ptp4l0-21swapper/219:58:462
111391150,0ptp4l0-21swapper/219:50:402
111391150,0ptp4l0-21swapper/219:49:432
111391150,0ptp4l0-21swapper/219:23:052
111391150,0ptp4l0-21swapper/219:17:342
111391150,0ptp4l0-21swapper/120:03:371
111391150,0ptp4l0-21swapper/020:16:280
111391140,0ptp4l0-21swapper/720:20:477
111391140,0ptp4l0-21swapper/623:54:436
111391140,0ptp4l0-21swapper/622:43:276
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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