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2026-07-13 - 00:06

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 Jul 12, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19112690,2sleep72753999cyclictest12:15:087
111391660,27ptp4l0-21swapper/007:05:140
221332640,2sleep422124-21turbostat12:00:004
111391620,5ptp4l0-21swapper/407:07:354
111391620,31ptp4l0-21swapper/107:06:501
2710126050,6sleep70-21swapper/707:08:307
98262580,1sleep7711rcuc/709:40:007
2713525646,6sleep20-21swapper/207:08:502
306212550,0sleep10-21swapper/108:25:121
2692325533,7sleep50-21swapper/507:06:135
2688325533,7sleep30-21swapper/307:05:383
2705225231,6sleep60-21swapper/607:07:506
157502490,0sleep30-21swapper/309:45:333
111391350,0ptp4l0-21swapper/008:25:180
111391340,1ptp4l21219-21diskstats10:35:131
111391340,1ptp4l21219-21diskstats10:35:131
111391340,0ptp4l0-21swapper/509:59:115
111391340,0ptp4l0-21swapper/012:18:310
111391320,0ptp4l0-21swapper/511:38:415
111391320,0ptp4l0-21swapper/110:34:161
111391320,0ptp4l0-21swapper/009:16:370
111391310,0ptp4l0-21swapper/409:00:204
111391310,0ptp4l0-21swapper/110:25:141
111391310,0ptp4l0-21swapper/109:33:561
111391310,0ptp4l0-21swapper/011:44:550
111391310,0ptp4l0-21swapper/011:35:120
111391310,0ptp4l0-21swapper/011:13:020
111391310,0ptp4l0-21swapper/009:45:110
111391310,0ptp4l0-21swapper/009:12:480
111391310,0ptp4l0-21swapper/007:25:170
111391300,3ptp4l0-21swapper/110:58:581
111391300,0ptp4l0-21swapper/511:29:435
111391300,0ptp4l0-21swapper/509:33:585
111391300,0ptp4l0-21swapper/411:17:244
111391300,0ptp4l0-21swapper/011:58:300
111391300,0ptp4l0-21swapper/011:34:570
111391300,0ptp4l0-21swapper/011:15:200
111391300,0ptp4l0-21swapper/010:58:050
111391300,0ptp4l0-21swapper/010:45:070
111391300,0ptp4l0-21swapper/010:41:080
111391300,0ptp4l0-21swapper/010:38:260
111391300,0ptp4l0-21swapper/010:38:260
111391300,0ptp4l0-21swapper/010:20:460
111391300,0ptp4l0-21swapper/010:17:590
111391300,0ptp4l0-21swapper/010:02:330
111391300,0ptp4l0-21swapper/009:37:250
111391300,0ptp4l0-21swapper/009:34:430
111391300,0ptp4l0-21swapper/009:26:070
111391290,2ptp4l0-21swapper/510:22:115
111391290,0ptp4l0-21swapper/510:16:085
111391290,0ptp4l0-21swapper/509:28:085
111391290,0ptp4l0-21swapper/508:50:015
111391290,0ptp4l0-21swapper/409:48:244
111391290,0ptp4l0-21swapper/012:37:040
111391290,0ptp4l0-21swapper/011:22:190
111391280,0ptp4l0-21swapper/412:29:084
111391280,0ptp4l0-21swapper/412:23:284
111391280,0ptp4l0-21swapper/409:28:504
111391280,0ptp4l0-21swapper/109:40:221
111391280,0ptp4l0-21swapper/011:50:100
111391280,0ptp4l0-21swapper/010:25:550
111391270,0ptp4l0-21swapper/512:15:215
111391270,0ptp4l0-21swapper/411:28:034
111391270,0ptp4l0-21swapper/410:49:094
111391270,0ptp4l0-21swapper/409:13:274
111391270,0ptp4l0-21swapper/407:15:124
111391270,0ptp4l0-21swapper/110:10:101
111391270,0ptp4l0-21swapper/012:33:560
111391270,0ptp4l0-21swapper/011:48:510
111391270,0ptp4l0-21swapper/010:05:040
111391270,0ptp4l0-21swapper/009:43:080
111391260,2ptp4l0-21swapper/111:38:421
111391260,0ptp4l0-21swapper/511:32:125
111391260,0ptp4l0-21swapper/511:12:175
111391260,0ptp4l0-21swapper/510:42:365
111391260,0ptp4l0-21swapper/112:06:531
111391260,0ptp4l0-21swapper/111:29:581
111391260,0ptp4l0-21swapper/107:23:001
111391260,0ptp4l0-21swapper/012:20:310
111391260,0ptp4l0-21swapper/012:11:260
111391260,0ptp4l0-21swapper/012:08:120
111391260,0ptp4l0-21swapper/011:05:540
111391260,0ptp4l0-21swapper/009:53:510
111391260,0ptp4l0-21swapper/009:23:060
111391260,0ptp4l0-21swapper/007:53:330
111391250,1ptp4l6604-21cat10:15:194
111391250,1ptp4l11174-21sed07:40:210
111391250,0ptp4l0-21swapper/512:33:305
111391250,0ptp4l0-21swapper/512:06:415
111391250,0ptp4l0-21swapper/510:57:155
111391250,0ptp4l0-21swapper/411:37:474
111391250,0ptp4l0-21swapper/411:20:204
111391250,0ptp4l0-21swapper/410:22:574
111391250,0ptp4l0-21swapper/410:09:074
111391250,0ptp4l0-21swapper/110:05:551
111391250,0ptp4l0-21swapper/109:13:381
111391250,0ptp4l0-21swapper/108:47:201
111391250,0ptp4l0-21swapper/108:11:161
111391250,0ptp4l0-21swapper/010:51:340
111391250,0ptp4l0-21swapper/008:51:420
111391250,0ptp4l0-21swapper/007:35:150
111391240,1ptp4l9900-21latency_hist09:40:005
111391240,1ptp4l879-21irqstats08:30:164
111391240,1ptp4l8356-21df11:00:120
111391240,1ptp4l763-21smartctl07:20:134
111391240,1ptp4l5145-21diskstats08:40:104
111391240,1ptp4l30561-21expr12:10:114
111391240,1ptp4l27833-21cut09:20:184
111391240,1ptp4l26286-21/usr/sbin/munin10:00:151
111391240,1ptp4l23815-21ls12:00:204
111391240,1ptp4l23568-21phc2sys-jitter12:00:180
111391240,1ptp4l14616-21sort07:50:144
111391240,0ptp4l0-21swapper/710:49:557
111391240,0ptp4l0-21swapper/511:00:085
111391240,0ptp4l0-21swapper/510:53:075
111391240,0ptp4l0-21swapper/510:14:135
111391240,0ptp4l0-21swapper/509:53:445
111391240,0ptp4l0-21swapper/508:22:395
111391240,0ptp4l0-21swapper/507:47:075
111391240,0ptp4l0-21swapper/507:23:365
111391240,0ptp4l0-21swapper/412:37:394
111391240,0ptp4l0-21swapper/411:04:354
111391240,0ptp4l0-21swapper/410:43:514
111391240,0ptp4l0-21swapper/410:36:164
111391240,0ptp4l0-21swapper/410:36:164
111391240,0ptp4l0-21swapper/410:31:324
111391240,0ptp4l0-21swapper/410:11:554
111391240,0ptp4l0-21swapper/409:45:004
111391240,0ptp4l0-21swapper/409:30:174
111391240,0ptp4l0-21swapper/112:20:111
111391240,0ptp4l0-21swapper/110:53:221
111391240,0ptp4l0-21swapper/108:44:101
111391240,0ptp4l0-21swapper/108:08:001
111391240,0ptp4l0-21swapper/107:50:381
111391240,0ptp4l0-21swapper/011:25:100
111391240,0ptp4l0-21swapper/010:30:360
111391240,0ptp4l0-21swapper/010:11:130
111391240,0ptp4l0-21swapper/009:05:490
111391240,0ptp4l0-21swapper/009:03:370
111391240,0ptp4l0-21swapper/008:14:310
111391240,0ptp4l0-21swapper/007:55:020
111391240,0ptp4l0-21swapper/007:45:120
111391240,0ptp4l0-21swapper/007:12:310
111391230,1ptp4l25641-21ssh09:18:161
111391230,1ptp4l17579-21ps07:55:174
111391230,1ptp4l12696-21cat11:05:164
111391230,0ptp4l0-21swapper/710:50:197
111391230,0ptp4l0-21swapper/709:47:127
111391230,0ptp4l0-21swapper/609:34:136
111391230,0ptp4l0-21swapper/512:20:135
111391230,0ptp4l0-21swapper/511:06:365
111391230,0ptp4l0-21swapper/510:35:165
111391230,0ptp4l0-21swapper/510:35:155
111391230,0ptp4l0-21swapper/510:33:405
111391230,0ptp4l0-21swapper/510:27:495
111391230,0ptp4l0-21swapper/509:40:175
111391230,0ptp4l0-21swapper/509:23:565
111391230,0ptp4l0-21swapper/508:50:165
111391230,0ptp4l0-21swapper/508:41:175
111391230,0ptp4l0-21swapper/508:05:125
111391230,0ptp4l0-21swapper/412:30:194
111391230,0ptp4l0-21swapper/412:18:294
111391230,0ptp4l0-21swapper/412:07:164
111391230,0ptp4l0-21swapper/411:54:234
111391230,0ptp4l0-21swapper/411:40:004
111391230,0ptp4l0-21swapper/411:12:304
111391230,0ptp4l0-21swapper/410:50:484
111391230,0ptp4l0-21swapper/410:26:064
111391230,0ptp4l0-21swapper/410:02:564
111391230,0ptp4l0-21swapper/409:50:194
111391230,0ptp4l0-21swapper/409:35:124
111391230,0ptp4l0-21swapper/409:15:214
111391230,0ptp4l0-21swapper/409:05:214
111391230,0ptp4l0-21swapper/408:40:014
111391230,0ptp4l0-21swapper/408:25:124
111391230,0ptp4l0-21swapper/408:10:214
111391230,0ptp4l0-21swapper/407:45:154
111391230,0ptp4l0-21swapper/407:10:154
111391230,0ptp4l0-21swapper/112:18:361
111391230,0ptp4l0-21swapper/111:31:111
111391230,0ptp4l0-21swapper/111:06:041
111391230,0ptp4l0-21swapper/110:45:191
111391230,0ptp4l0-21swapper/110:15:381
111391230,0ptp4l0-21swapper/109:56:131
111391230,0ptp4l0-21swapper/109:50:121
111391230,0ptp4l0-21swapper/109:46:391
111391230,0ptp4l0-21swapper/108:50:151
111391230,0ptp4l0-21swapper/108:20:121
111391230,0ptp4l0-21swapper/108:19:391
111391230,0ptp4l0-21swapper/107:57:381
111391230,0ptp4l0-21swapper/107:25:141
111391230,0ptp4l0-21swapper/012:25:180
111391230,0ptp4l0-21swapper/009:55:110
111391230,0ptp4l0-21swapper/008:40:190
111391230,0ptp4l0-21swapper/008:30:120
111391230,0ptp4l0-21swapper/008:20:130
111391230,0ptp4l0-21swapper/008:15:180
111391230,0ptp4l0-21swapper/008:00:120
111391230,0ptp4l0-21swapper/008:00:120
111391230,0ptp4l0-21swapper/007:35:000
111391230,0ptp4l0-21swapper/007:15:200
111391220,1ptp4l32638-21ssh12:12:081
111391220,0ptp4l33-21ksoftirqd/211:55:532
111391220,0ptp4l0-21swapper/609:22:126
111391220,0ptp4l0-21swapper/512:14:265
111391220,0ptp4l0-21swapper/512:01:225
111391220,0ptp4l0-21swapper/511:56:325
111391220,0ptp4l0-21swapper/511:21:205
111391220,0ptp4l0-21swapper/511:18:525
111391220,0ptp4l0-21swapper/510:45:185
111391220,0ptp4l0-21swapper/510:00:145
111391220,0ptp4l0-21swapper/509:48:555
111391220,0ptp4l0-21swapper/509:17:425
111391220,0ptp4l0-21swapper/509:07:335
111391220,0ptp4l0-21swapper/508:35:185
111391220,0ptp4l0-21swapper/508:32:355
111391220,0ptp4l0-21swapper/507:25:105
111391220,0ptp4l0-21swapper/411:45:114
111391220,0ptp4l0-21swapper/411:30:034
111391220,0ptp4l0-21swapper/410:55:134
111391220,0ptp4l0-21swapper/409:55:194
111391220,0ptp4l0-21swapper/408:50:144
111391220,0ptp4l0-21swapper/408:20:144
111391220,0ptp4l0-21swapper/408:00:144
111391220,0ptp4l0-21swapper/408:00:134
111391220,0ptp4l0-21swapper/407:40:114
111391220,0ptp4l0-21swapper/407:35:114
111391220,0ptp4l0-21swapper/407:30:124
111391220,0ptp4l0-21swapper/310:50:133
111391220,0ptp4l0-21swapper/310:49:183
111391220,0ptp4l0-21swapper/212:24:262
111391220,0ptp4l0-21swapper/211:43:432
111391220,0ptp4l0-21swapper/208:00:162
111391220,0ptp4l0-21swapper/208:00:152
111391220,0ptp4l0-21swapper/112:33:231
111391220,0ptp4l0-21swapper/112:01:231
111391220,0ptp4l0-21swapper/111:55:301
111391220,0ptp4l0-21swapper/111:53:241
111391220,0ptp4l0-21swapper/111:49:251
111391220,0ptp4l0-21swapper/111:43:181
111391220,0ptp4l0-21swapper/111:16:161
111391220,0ptp4l0-21swapper/111:10:121
111391220,0ptp4l0-21swapper/111:01:411
111391220,0ptp4l0-21swapper/110:40:131
111391220,0ptp4l0-21swapper/109:25:211
111391220,0ptp4l0-21swapper/109:23:331
111391220,0ptp4l0-21swapper/108:35:211
111391220,0ptp4l0-21swapper/108:04:281
111391220,0ptp4l0-21swapper/108:04:271
111391220,0ptp4l0-21swapper/107:44:451
111391220,0ptp4l0-21swapper/008:35:170
111391220,0ptp4l0-21swapper/007:20:150
111391210,0ptp4l0-21swapper/610:00:026
111391210,0ptp4l0-21swapper/609:14:176
111391210,0ptp4l0-21swapper/512:38:515
111391210,0ptp4l0-21swapper/512:28:345
111391210,0ptp4l0-21swapper/511:50:355
111391210,0ptp4l0-21swapper/511:45:595
111391210,0ptp4l0-21swapper/511:40:215
111391210,0ptp4l0-21swapper/509:12:125
111391210,0ptp4l0-21swapper/508:55:175
111391210,0ptp4l0-21swapper/408:15:124
111391210,0ptp4l0-21swapper/407:28:094
111391210,0ptp4l0-21swapper/212:04:562
111391210,0ptp4l0-21swapper/211:46:062
111391210,0ptp4l0-21swapper/211:09:552
111391210,0ptp4l0-21swapper/210:24:442
111391210,0ptp4l0-21swapper/209:47:432
111391210,0ptp4l0-21swapper/209:34:122
111391210,0ptp4l0-21swapper/209:19:082
111391210,0ptp4l0-21swapper/208:18:392
111391210,0ptp4l0-21swapper/207:29:372
111391210,0ptp4l0-21swapper/112:28:311
111391210,0ptp4l0-21swapper/111:21:161
111391210,0ptp4l0-21swapper/110:21:291
111391210,0ptp4l0-21swapper/108:55:151
211232200,0sleep20-21swapper/209:12:152
111391200,0ptp4l0-21swapper/612:24:266
111391200,0ptp4l0-21swapper/611:43:506
111391200,0ptp4l0-21swapper/611:09:546
111391200,0ptp4l0-21swapper/609:59:566
111391200,0ptp4l0-21swapper/609:47:476
111391200,0ptp4l0-21swapper/510:05:565
111391200,0ptp4l0-21swapper/508:17:395
111391200,0ptp4l0-21swapper/507:42:455
111391200,0ptp4l0-21swapper/211:28:262
111391200,0ptp4l0-21swapper/209:22:132
111391200,0ptp4l0-21swapper/209:03:552
111391200,0ptp4l0-21swapper/112:38:471
111391200,0ptp4l0-21swapper/109:38:361
111391200,0ptp4l0-21swapper/108:32:381
111391200,0ptp4l0-21swapper/107:48:361
111391200,0ptp4l0-21swapper/008:56:380
111391190,0ptp4l0-21swapper/611:46:026
111391190,0ptp4l0-21swapper/610:47:096
111391190,0ptp4l0-21swapper/609:19:116
111391190,0ptp4l0-21swapper/507:13:295
111391190,0ptp4l0-21swapper/107:13:451
111391190,0ptp4l0-21swapper/008:08:520
111391180,0ptp4l0-21swapper/611:28:236
111391180,0ptp4l0-21swapper/610:24:466
111391180,0ptp4l0-21swapper/210:47:092
152022170,0sleep3391rcuc/312:30:193
111391170,0ptp4l0-21swapper/612:04:556
111391170,0ptp4l0-21swapper/509:01:225
111391170,0ptp4l0-21swapper/507:34:345
111391170,0ptp4l0-21swapper/212:38:032
111391170,0ptp4l0-21swapper/209:59:562
111391160,0ptp4l0-21swapper/611:55:546
111391160,0ptp4l0-21swapper/607:38:456
111391160,0ptp4l0-21swapper/508:25:485
111391160,0ptp4l0-21swapper/507:58:545
111391160,0ptp4l0-21swapper/408:57:314
111391160,0ptp4l0-21swapper/408:06:594
111391160,0ptp4l0-21swapper/210:00:012
111391160,0ptp4l0-21swapper/109:07:231
111391160,0ptp4l0-21swapper/107:30:321
111391160,0ptp4l0-21swapper/107:15:481
111391150,0ptp4l0-21swapper/609:04:016
111391150,0ptp4l0-21swapper/608:53:176
111391150,0ptp4l0-21swapper/608:30:336
111391150,0ptp4l0-21swapper/608:18:166
111391150,0ptp4l0-21swapper/608:07:056
111391150,0ptp4l0-21swapper/607:29:296
111391150,0ptp4l0-21swapper/508:10:035
111391150,0ptp4l0-21swapper/508:01:205
111391150,0ptp4l0-21swapper/508:01:195
111391150,0ptp4l0-21swapper/507:50:365
111391150,0ptp4l0-21swapper/507:36:345
111391150,0ptp4l0-21swapper/507:16:495
111391150,0ptp4l0-21swapper/408:45:454
111391150,0ptp4l0-21swapper/308:55:263
111391150,0ptp4l0-21swapper/208:53:542
111391150,0ptp4l0-21swapper/208:29:382
111391150,0ptp4l0-21swapper/208:21:182
111391150,0ptp4l0-21swapper/208:07:122
111391150,0ptp4l0-21swapper/207:58:082
111391150,0ptp4l0-21swapper/207:38:412
111391150,0ptp4l0-21swapper/207:20:402
111391150,0ptp4l0-21swapper/109:01:131
111391150,0ptp4l0-21swapper/107:36:331
111391150,0ptp4l0-21swapper/008:45:080
111391140,0ptp4l0-21swapper/708:55:257
111391140,0ptp4l0-21swapper/608:25:306
111391140,0ptp4l0-21swapper/607:56:326
111391140,0ptp4l0-21swapper/607:20:396
111391140,0ptp4l0-21swapper/208:30:322
111391140,0ptp4l0-21swapper/207:31:572
2753199120,1cyclictest0-21swapper/611:00:006
2753999118,1cyclictest0-21swapper/710:34:047
2753999110,10cyclictest0-21swapper/711:25:157
2751099119,1cyclictest0-21swapper/311:24:173
2751099110,10cyclictest401ktimersoftd/312:28:143
2751099110,10cyclictest0-21swapper/310:02:153
2751099110,10cyclictest0-21swapper/308:20:153
2750299119,1cyclictest0-21swapper/209:50:192
2753999100,9cyclictest0-21swapper/711:46:377
2753999100,1cyclictest18252-21diskmemload11:19:457
2751099109,0cyclictest401ktimersoftd/311:29:273
2751099109,0cyclictest0-21swapper/312:37:393
2751099109,0cyclictest0-21swapper/309:40:133
2751099109,0cyclictest0-21swapper/309:16:213
2751099108,1cyclictest0-21swapper/310:29:163
27510991010,0cyclictest401ktimersoftd/309:51:533
2751099100,9cyclictest0-21swapper/312:03:343
2751099100,0cyclictest0-21swapper/311:13:173
2750299109,0cyclictest0-21swapper/212:06:342
2750299109,0cyclictest0-21swapper/211:51:382
2750299100,9cyclictest0-21swapper/211:03:512
2750299100,9cyclictest0-21swapper/210:52:512
2750299100,9cyclictest0-21swapper/209:44:402
2750299100,9cyclictest0-21swapper/209:26:542
275399998,0cyclictest0-21swapper/710:38:347
275399998,0cyclictest0-21swapper/710:38:347
275399998,0cyclictest0-21swapper/710:09:297
275399990,8cyclictest0-21swapper/711:36:337
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