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2026-05-24 - 01:52

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 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391640,5ptp4l0-21swapper/407:08:164
111391620,30ptp4l0-21swapper/007:05:220
2136225836,7sleep30-21swapper/307:07:433
2120925646,6sleep70-21swapper/707:05:467
317782550,0sleep00-21swapper/009:35:000
1881915332,6phc2sys0-21swapper/607:06:246
2137925231,6sleep20-21swapper/207:07:582
2136924937,7sleep10-21swapper/107:07:481
2153024736,7sleep50-21swapper/507:09:525
111391350,0ptp4l0-21swapper/708:25:207
111391350,0ptp4l0-21swapper/408:00:204
111391330,0ptp4l0-21swapper/010:00:210
111391310,0ptp4l0-21swapper/112:22:041
111391300,0ptp4l0-21swapper/509:37:285
111391300,0ptp4l0-21swapper/112:00:161
111391300,0ptp4l0-21swapper/011:54:410
111391300,0ptp4l0-21swapper/010:24:170
111391290,4ptp4l0-21swapper/511:04:435
111391290,1ptp4l22288-21df_inode07:10:125
111391290,0ptp4l0-21swapper/512:04:485
111391290,0ptp4l0-21swapper/509:33:095
111391290,0ptp4l0-21swapper/412:34:464
111391290,0ptp4l0-21swapper/412:24:524
111391290,0ptp4l0-21swapper/410:04:564
111391290,0ptp4l0-21swapper/409:55:534
111391290,0ptp4l0-21swapper/409:31:424
111391290,0ptp4l0-21swapper/108:15:141
111391290,0ptp4l0-21swapper/010:14:520
111391280,0ptp4l12575-21diskmemload12:32:331
111391280,0ptp4l0-21swapper/511:30:365
111391280,0ptp4l0-21swapper/509:44:405
111391280,0ptp4l0-21swapper/412:35:124
111391280,0ptp4l0-21swapper/409:38:324
111391280,0ptp4l0-21swapper/112:08:451
111391280,0ptp4l0-21swapper/109:36:031
111391280,0ptp4l0-21swapper/012:23:590
111391280,0ptp4l0-21swapper/011:14:360
111391280,0ptp4l0-21swapper/011:14:360
111391280,0ptp4l0-21swapper/010:40:120
111391270,1ptp4l0-21swapper/007:50:110
111391270,0ptp4l0-21swapper/510:24:115
111391270,0ptp4l0-21swapper/510:10:445
111391270,0ptp4l0-21swapper/509:17:585
111391270,0ptp4l0-21swapper/412:12:454
111391270,0ptp4l0-21swapper/411:12:484
111391270,0ptp4l0-21swapper/411:12:484
111391270,0ptp4l0-21swapper/410:31:594
111391270,0ptp4l0-21swapper/207:58:052
111391270,0ptp4l0-21swapper/111:57:481
111391270,0ptp4l0-21swapper/111:44:311
111391270,0ptp4l0-21swapper/111:01:041
111391270,0ptp4l0-21swapper/110:49:271
111391270,0ptp4l0-21swapper/107:30:121
111391270,0ptp4l0-21swapper/012:06:170
111391270,0ptp4l0-21swapper/011:55:150
111391270,0ptp4l0-21swapper/010:36:150
111391270,0ptp4l0-21swapper/009:50:090
111391260,1ptp4l1892-21cut07:35:121
111391260,0ptp4l0-21swapper/512:35:465
111391260,0ptp4l0-21swapper/512:12:205
111391260,0ptp4l0-21swapper/411:38:194
111391260,0ptp4l0-21swapper/410:43:584
111391260,0ptp4l0-21swapper/112:19:431
111391260,0ptp4l0-21swapper/111:45:541
111391260,0ptp4l0-21swapper/111:10:141
111391260,0ptp4l0-21swapper/111:10:141
111391260,0ptp4l0-21swapper/110:11:091
111391260,0ptp4l0-21swapper/009:40:450
111391250,1ptp4l20896-21sed12:15:000
111391250,1ptp4l1728-21diskstats08:45:127
111391250,1ptp4l1-21systemd08:35:005
111391250,1ptp4l1118-21df10:20:144
111391250,0ptp4l12575-21diskmemload11:25:561
111391250,0ptp4l0-21swapper/709:17:187
111391250,0ptp4l0-21swapper/610:46:426
111391250,0ptp4l0-21swapper/512:06:565
111391250,0ptp4l0-21swapper/511:40:125
111391250,0ptp4l0-21swapper/511:25:165
111391250,0ptp4l0-21swapper/511:10:135
111391250,0ptp4l0-21swapper/511:10:125
111391250,0ptp4l0-21swapper/510:55:165
111391250,0ptp4l0-21swapper/510:45:135
111391250,0ptp4l0-21swapper/510:18:455
111391250,0ptp4l0-21swapper/509:20:165
111391250,0ptp4l0-21swapper/509:10:185
111391250,0ptp4l0-21swapper/508:20:115
111391250,0ptp4l0-21swapper/412:15:064
111391250,0ptp4l0-21swapper/411:20:314
111391250,0ptp4l0-21swapper/410:50:424
111391250,0ptp4l0-21swapper/410:11:434
111391250,0ptp4l0-21swapper/112:25:331
111391250,0ptp4l0-21swapper/111:16:561
111391250,0ptp4l0-21swapper/111:16:561
111391250,0ptp4l0-21swapper/110:30:181
111391250,0ptp4l0-21swapper/109:50:161
111391250,0ptp4l0-21swapper/109:13:301
111391250,0ptp4l0-21swapper/012:36:030
111391250,0ptp4l0-21swapper/011:34:020
111391250,0ptp4l0-21swapper/010:25:170
111391250,0ptp4l0-21swapper/010:07:060
111391250,0ptp4l0-21swapper/009:27:120
111391250,0ptp4l0-21swapper/008:25:120
111391240,3ptp4l0-21swapper/509:48:505
111391240,1ptp4l3990-21cat12:35:151
111391240,1ptp4l28430-21find07:20:210
111391240,1ptp4l25696-21memory07:15:155
111391240,1ptp4l23466-21fw_conntrack10:50:131
111391240,1ptp4l15896-21sed09:55:210
111391240,1ptp4l12575-21diskmemload12:05:224
111391240,0ptp4l0-21swapper/512:34:025
111391240,0ptp4l0-21swapper/512:25:165
111391240,0ptp4l0-21swapper/512:20:205
111391240,0ptp4l0-21swapper/511:55:485
111391240,0ptp4l0-21swapper/511:50:155
111391240,0ptp4l0-21swapper/511:05:155
111391240,0ptp4l0-21swapper/510:31:075
111391240,0ptp4l0-21swapper/509:28:375
111391240,0ptp4l0-21swapper/508:05:135
111391240,0ptp4l0-21swapper/507:30:165
111391240,0ptp4l0-21swapper/411:56:094
111391240,0ptp4l0-21swapper/411:29:204
111391240,0ptp4l0-21swapper/409:40:124
111391240,0ptp4l0-21swapper/311:39:283
111391240,0ptp4l0-21swapper/308:45:013
111391240,0ptp4l0-21swapper/111:20:111
111391240,0ptp4l0-21swapper/110:56:361
111391240,0ptp4l0-21swapper/110:18:491
111391240,0ptp4l0-21swapper/110:00:141
111391240,0ptp4l0-21swapper/109:50:001
111391240,0ptp4l0-21swapper/109:30:101
111391240,0ptp4l0-21swapper/109:20:151
111391240,0ptp4l0-21swapper/109:05:201
111391240,0ptp4l0-21swapper/108:35:191
111391240,0ptp4l0-21swapper/108:35:181
111391240,0ptp4l0-21swapper/107:55:171
111391240,0ptp4l0-21swapper/107:10:161
111391240,0ptp4l0-21swapper/011:09:570
111391240,0ptp4l0-21swapper/010:45:540
111391240,0ptp4l0-21swapper/007:15:010
111391230,1ptp4l30699-21switchtime07:25:204
111391230,1ptp4l19504-21ssh12:12:031
111391230,1ptp4l12801-21sa107:59:595
111391230,1ptp4l12321-21ssh12:02:300
111391230,0ptp4l9508-21ssh11:15:120
111391230,0ptp4l9508-21ssh11:15:120
111391230,0ptp4l4455-21sed12:35:197
111391230,0ptp4l0-21swapper/709:59:347
111391230,0ptp4l0-21swapper/709:21:507
111391230,0ptp4l0-21swapper/612:35:006
111391230,0ptp4l0-21swapper/609:47:426
111391230,0ptp4l0-21swapper/511:45:175
111391230,0ptp4l0-21swapper/511:35:195
111391230,0ptp4l0-21swapper/511:15:165
111391230,0ptp4l0-21swapper/511:15:165
111391230,0ptp4l0-21swapper/510:50:165
111391230,0ptp4l0-21swapper/510:40:155
111391230,0ptp4l0-21swapper/510:35:145
111391230,0ptp4l0-21swapper/509:50:165
111391230,0ptp4l0-21swapper/508:40:135
111391230,0ptp4l0-21swapper/508:35:145
111391230,0ptp4l0-21swapper/508:35:135
111391230,0ptp4l0-21swapper/508:15:135
111391230,0ptp4l0-21swapper/507:45:155
111391230,0ptp4l0-21swapper/507:40:185
111391230,0ptp4l0-21swapper/412:00:184
111391230,0ptp4l0-21swapper/410:38:054
111391230,0ptp4l0-21swapper/410:26:124
111391230,0ptp4l0-21swapper/410:16:164
111391230,0ptp4l0-21swapper/409:25:104
111391230,0ptp4l0-21swapper/409:16:144
111391230,0ptp4l0-21swapper/408:43:194
111391230,0ptp4l0-21swapper/407:55:214
111391230,0ptp4l0-21swapper/407:40:164
111391230,0ptp4l0-21swapper/407:35:284
111391230,0ptp4l0-21swapper/309:17:313
111391230,0ptp4l0-21swapper/308:45:103
111391230,0ptp4l0-21swapper/111:50:141
111391230,0ptp4l0-21swapper/111:37:501
111391230,0ptp4l0-21swapper/111:30:151
111391230,0ptp4l0-21swapper/111:05:141
111391230,0ptp4l0-21swapper/110:39:121
111391230,0ptp4l0-21swapper/110:29:241
111391230,0ptp4l0-21swapper/110:20:151
111391230,0ptp4l0-21swapper/110:05:161
111391230,0ptp4l0-21swapper/109:44:471
111391230,0ptp4l0-21swapper/109:15:581
111391230,0ptp4l0-21swapper/108:20:121
111391230,0ptp4l0-21swapper/108:05:181
111391230,0ptp4l0-21swapper/107:53:151
111391230,0ptp4l0-21swapper/107:40:131
111391230,0ptp4l0-21swapper/107:19:591
111391230,0ptp4l0-21swapper/012:30:160
111391230,0ptp4l0-21swapper/012:26:400
111391230,0ptp4l0-21swapper/011:25:200
111391230,0ptp4l0-21swapper/009:45:190
111391230,0ptp4l0-21swapper/009:37:030
111391230,0ptp4l0-21swapper/009:15:160
111391230,0ptp4l0-21swapper/009:10:360
111391230,0ptp4l0-21swapper/008:55:210
111391230,0ptp4l0-21swapper/008:30:150
111391230,0ptp4l0-21swapper/008:25:010
111391230,0ptp4l0-21swapper/008:00:200
111391230,0ptp4l0-21swapper/007:55:170
111391230,0ptp4l0-21swapper/007:45:170
111391230,0ptp4l0-21swapper/007:35:300
111391230,0ptp4l0-21swapper/007:25:160
111391230,0ptp4l0-21swapper/007:10:160
111391220,1ptp4l23313-21runrttasks09:23:140
111391220,0ptp4l551-21ssh11:45:350
111391220,0ptp4l0-21swapper/712:16:307
111391220,0ptp4l0-21swapper/711:39:247
111391220,0ptp4l0-21swapper/611:35:406
111391220,0ptp4l0-21swapper/512:17:285
111391220,0ptp4l0-21swapper/511:22:255
111391220,0ptp4l0-21swapper/510:27:345
111391220,0ptp4l0-21swapper/510:05:145
111391220,0ptp4l0-21swapper/510:02:435
111391220,0ptp4l0-21swapper/509:55:005
111391220,0ptp4l0-21swapper/509:05:185
111391220,0ptp4l0-21swapper/509:00:115
111391220,0ptp4l0-21swapper/508:55:125
111391220,0ptp4l0-21swapper/508:50:155
111391220,0ptp4l0-21swapper/508:02:075
111391220,0ptp4l0-21swapper/507:50:135
111391220,0ptp4l0-21swapper/507:25:155
111391220,0ptp4l0-21swapper/507:20:075
111391220,0ptp4l0-21swapper/412:26:514
111391220,0ptp4l0-21swapper/411:52:484
111391220,0ptp4l0-21swapper/411:41:384
111391220,0ptp4l0-21swapper/411:33:364
111391220,0ptp4l0-21swapper/411:15:304
111391220,0ptp4l0-21swapper/411:15:294
111391220,0ptp4l0-21swapper/411:08:024
111391220,0ptp4l0-21swapper/410:55:484
111391220,0ptp4l0-21swapper/410:46:284
111391220,0ptp4l0-21swapper/410:05:094
111391220,0ptp4l0-21swapper/409:50:114
111391220,0ptp4l0-21swapper/409:45:124
111391220,0ptp4l0-21swapper/409:20:464
111391220,0ptp4l0-21swapper/409:10:394
111391220,0ptp4l0-21swapper/408:56:394
111391220,0ptp4l0-21swapper/408:50:014
111391220,0ptp4l0-21swapper/408:45:564
111391220,0ptp4l0-21swapper/408:30:214
111391220,0ptp4l0-21swapper/408:20:014
111391220,0ptp4l0-21swapper/408:19:534
111391220,0ptp4l0-21swapper/407:45:174
111391220,0ptp4l0-21swapper/407:20:144
111391220,0ptp4l0-21swapper/407:10:184
111391220,0ptp4l0-21swapper/308:25:163
111391220,0ptp4l0-21swapper/210:46:402
111391220,0ptp4l0-21swapper/110:40:121
111391220,0ptp4l0-21swapper/109:59:161
111391220,0ptp4l0-21swapper/109:25:331
111391220,0ptp4l0-21swapper/109:00:111
111391220,0ptp4l0-21swapper/108:50:111
111391220,0ptp4l0-21swapper/108:10:141
111391220,0ptp4l0-21swapper/012:15:070
111391220,0ptp4l0-21swapper/011:43:530
111391220,0ptp4l0-21swapper/011:35:360
111391220,0ptp4l0-21swapper/011:20:160
111391220,0ptp4l0-21swapper/011:00:540
111391220,0ptp4l0-21swapper/010:55:170
111391220,0ptp4l0-21swapper/010:50:440
111391220,0ptp4l0-21swapper/010:30:400
111391220,0ptp4l0-21swapper/010:18:120
111391220,0ptp4l0-21swapper/008:40:530
111391220,0ptp4l0-21swapper/007:40:120
111391220,0ptp4l0-21swapper/007:33:300
111391210,1ptp4l401ktimersoftd/309:37:503
111391210,0ptp4l0-21swapper/709:42:327
111391210,0ptp4l0-21swapper/709:37:527
111391210,0ptp4l0-21swapper/708:44:457
111391210,0ptp4l0-21swapper/609:22:476
111391210,0ptp4l0-21swapper/507:37:085
111391210,0ptp4l0-21swapper/411:47:364
111391210,0ptp4l0-21swapper/411:02:284
111391210,0ptp4l0-21swapper/407:53:474
111391210,0ptp4l0-21swapper/312:35:203
111391210,0ptp4l0-21swapper/312:16:163
111391210,0ptp4l0-21swapper/309:42:313
111391210,0ptp4l0-21swapper/309:22:103
111391210,0ptp4l0-21swapper/212:20:102
111391210,0ptp4l0-21swapper/108:46:151
111391210,0ptp4l0-21swapper/107:45:191
111391210,0ptp4l0-21swapper/107:15:131
111391200,0ptp4l0-21swapper/612:35:036
111391200,0ptp4l0-21swapper/611:51:416
111391200,0ptp4l0-21swapper/609:41:356
111391200,0ptp4l0-21swapper/508:49:065
111391200,0ptp4l0-21swapper/508:10:145
111391200,0ptp4l0-21swapper/408:36:264
111391200,0ptp4l0-21swapper/408:36:254
111391200,0ptp4l0-21swapper/408:08:074
111391200,0ptp4l0-21swapper/407:18:554
111391200,0ptp4l0-21swapper/309:59:293
111391200,0ptp4l0-21swapper/209:22:472
111391200,0ptp4l0-21swapper/108:33:331
111391200,0ptp4l0-21swapper/108:00:061
111391200,0ptp4l0-21swapper/008:47:190
111391200,0ptp4l0-21swapper/008:10:190
111391200,0ptp4l0-21swapper/008:05:160
43022190,0sleep70-21swapper/707:40:137
111391190,0ptp4l0-21swapper/508:29:115
111391190,0ptp4l0-21swapper/211:51:382
111391190,0ptp4l0-21swapper/211:33:222
111391190,0ptp4l0-21swapper/210:22:552
111391190,0ptp4l0-21swapper/108:40:151
111391190,0ptp4l0-21swapper/107:25:141
111391190,0ptp4l0-21swapper/009:00:300
111391190,0ptp4l0-21swapper/008:39:560
111391190,0ptp4l0-21swapper/008:39:560
111391180,0ptp4l0-21swapper/212:35:082
111391180,0ptp4l0-21swapper/212:34:562
111391180,0ptp4l0-21swapper/209:47:402
111391180,0ptp4l0-21swapper/108:25:411
111391170,0ptp4l0-21swapper/611:33:256
111391170,0ptp4l0-21swapper/209:39:012
111391170,0ptp4l0-21swapper/208:29:532
111391170,0ptp4l0-21swapper/108:55:211
111391160,1ptp4l65-21ksoftirqd/607:46:176
111391160,0ptp4l0-21swapper/612:17:096
111391160,0ptp4l0-21swapper/409:00:314
111391160,0ptp4l0-21swapper/407:33:334
111391160,0ptp4l0-21swapper/211:35:382
111391160,0ptp4l0-21swapper/210:35:432
111391160,0ptp4l0-21swapper/207:36:262
111391160,0ptp4l0-21swapper/008:53:120
111391150,0ptp4l0-21swapper/612:20:106
111391150,0ptp4l0-21swapper/610:35:446
111391150,0ptp4l0-21swapper/609:39:006
111391150,0ptp4l0-21swapper/608:48:436
111391150,0ptp4l0-21swapper/607:58:026
111391150,0ptp4l0-21swapper/607:53:566
111391150,0ptp4l0-21swapper/607:36:316
111391150,0ptp4l0-21swapper/409:06:194
111391150,0ptp4l0-21swapper/408:25:074
111391150,0ptp4l0-21swapper/212:17:092
111391150,0ptp4l0-21swapper/209:06:532
111391150,0ptp4l0-21swapper/207:47:502
111391150,0ptp4l0-21swapper/009:06:180
111391150,0ptp4l0-21swapper/008:15:220
111391140,0ptp4l0-21swapper/609:06:556
111391140,0ptp4l0-21swapper/608:29:536
111391140,0ptp4l0-21swapper/408:11:144
111391140,0ptp4l0-21swapper/210:43:062
111391140,0ptp4l0-21swapper/208:48:422
111391140,0ptp4l0-21swapper/207:53:592
21846991310,1cyclictest7986-21munin-run09:00:016
111391130,0ptp4l0-21swapper/209:41:332
2185299110,10cyclictest0-21swapper/710:10:207
2185299109,0cyclictest0-21swapper/710:05:177
2185299100,9cyclictest0-21swapper/712:29:447
2184699109,0cyclictest0-21swapper/611:15:206
2184699109,0cyclictest0-21swapper/611:15:196
2184699109,0cyclictest0-21swapper/611:10:286
2184699109,0cyclictest0-21swapper/611:10:286
2182599109,0cyclictest0-21swapper/312:26:213
2182599109,0cyclictest0-21swapper/311:33:043
2182599109,0cyclictest0-21swapper/310:44:403
2182599109,0cyclictest0-21swapper/310:33:593
2182599109,0cyclictest0-21swapper/310:29:163
2182599100,9cyclictest0-21swapper/312:30:453
2182599100,9cyclictest0-21swapper/311:25:503
2182599100,9cyclictest0-21swapper/310:52:133
2182599100,9cyclictest0-21swapper/310:48:273
2182599100,0cyclictest0-21swapper/311:16:533
2182599100,0cyclictest0-21swapper/311:16:533
2182599100,0cyclictest0-21swapper/309:45:073
2181799109,0cyclictest0-21swapper/211:49:382
2181799109,0cyclictest0-21swapper/211:00:172
2181799109,0cyclictest0-21swapper/209:25:122
2181799100,9cyclictest0-21swapper/212:14:562
2181799100,9cyclictest0-21swapper/212:02:032
2181799100,9cyclictest0-21swapper/210:28:512
218529998,0cyclictest0-21swapper/711:30:197
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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