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2026-08-30 - 20:58

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 Aug 30, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
910621000,2sleep52185099cyclictest12:10:175
2135126644,7sleep70-21swapper/707:07:257
139962610,1sleep665-21ksoftirqd/609:56:006
111391610,5ptp4l0-21swapper/407:08:514
111391610,30ptp4l0-21swapper/107:09:321
111391600,5ptp4l0-21swapper/007:05:090
322442590,0sleep50-21swapper/511:10:165
1881915835,12phc2sys0-21swapper/207:08:332
187222570,1sleep318725-21grep12:25:113
1881915635,6phc2sys0-21swapper/607:05:586
2124524635,7sleep30-21swapper/307:06:003
1965024433,6sleep50-21swapper/507:05:065
111391350,0ptp4l0-21swapper/712:10:117
111391350,0ptp4l0-21swapper/012:35:190
2185099340,0cyclictest0-21swapper/507:37:235
111391330,0ptp4l0-21swapper/011:00:130
111391320,0ptp4l0-21swapper/407:40:184
111391320,0ptp4l0-21swapper/012:15:200
111391310,0ptp4l0-21swapper/311:28:183
2185099300,0cyclictest0-21swapper/507:34:255
2185099300,0cyclictest0-21swapper/507:34:255
111391300,0ptp4l0-21swapper/409:29:564
111391300,0ptp4l0-21swapper/107:30:151
111391300,0ptp4l0-21swapper/107:30:151
111391300,0ptp4l0-21swapper/011:34:370
111391300,0ptp4l0-21swapper/010:10:220
111391300,0ptp4l0-21swapper/010:10:220
2185099290,0cyclictest0-21swapper/507:52:495
111391290,0ptp4l0-21swapper/709:20:177
111391290,0ptp4l0-21swapper/510:30:125
111391290,0ptp4l0-21swapper/411:52:254
111391290,0ptp4l0-21swapper/409:30:164
111391290,0ptp4l0-21swapper/111:38:461
111391290,0ptp4l0-21swapper/111:00:541
111391290,0ptp4l0-21swapper/011:43:060
111391290,0ptp4l0-21swapper/010:35:140
111391280,0ptp4l0-21swapper/410:13:284
111391280,0ptp4l0-21swapper/410:13:274
111391280,0ptp4l0-21swapper/410:03:454
111391280,0ptp4l0-21swapper/111:43:481
111391280,0ptp4l0-21swapper/011:37:270
111391280,0ptp4l0-21swapper/009:30:060
111391270,0ptp4l0-21swapper/412:06:074
111391270,0ptp4l0-21swapper/410:42:234
111391270,0ptp4l0-21swapper/409:44:484
111391270,0ptp4l0-21swapper/407:45:134
111391270,0ptp4l0-21swapper/111:11:041
111391270,0ptp4l0-21swapper/110:42:121
111391270,0ptp4l0-21swapper/012:04:330
111391270,0ptp4l0-21swapper/011:07:390
111391270,0ptp4l0-21swapper/010:01:140
111391270,0ptp4l0-21swapper/009:10:010
2185099260,0cyclictest0-21swapper/507:56:015
111391260,7ptp4l0-21swapper/512:29:185
111391260,0ptp4l0-21swapper/510:06:475
111391260,0ptp4l0-21swapper/510:06:475
111391260,0ptp4l0-21swapper/509:42:165
111391260,0ptp4l0-21swapper/412:03:054
111391260,0ptp4l0-21swapper/409:47:504
111391260,0ptp4l0-21swapper/408:55:114
111391260,0ptp4l0-21swapper/112:37:171
111391260,0ptp4l0-21swapper/011:25:020
111391260,0ptp4l0-21swapper/010:52:570
111391260,0ptp4l0-21swapper/010:31:440
111391260,0ptp4l0-21swapper/009:50:180
111391260,0ptp4l0-21swapper/009:48:230
111391260,0ptp4l0-21swapper/009:40:260
2185099250,0cyclictest0-21swapper/507:42:155
111391250,1ptp4l4535-21irqrtprio10:30:151
111391250,1ptp4l0-21swapper/409:13:494
111391250,0ptp4l0-21swapper/712:22:317
111391250,0ptp4l0-21swapper/711:48:567
111391250,0ptp4l0-21swapper/512:38:205
111391250,0ptp4l0-21swapper/509:09:335
111391250,0ptp4l0-21swapper/412:16:134
111391250,0ptp4l0-21swapper/411:41:144
111391250,0ptp4l0-21swapper/411:37:174
111391250,0ptp4l0-21swapper/410:34:254
111391250,0ptp4l0-21swapper/410:25:144
111391250,0ptp4l0-21swapper/410:05:114
111391250,0ptp4l0-21swapper/410:05:114
111391250,0ptp4l0-21swapper/312:10:153
111391250,0ptp4l0-21swapper/311:23:233
111391250,0ptp4l0-21swapper/112:27:301
111391250,0ptp4l0-21swapper/111:30:171
111391250,0ptp4l0-21swapper/111:26:161
111391250,0ptp4l0-21swapper/110:20:081
111391250,0ptp4l0-21swapper/110:18:431
111391250,0ptp4l0-21swapper/011:47:210
111391250,0ptp4l0-21swapper/010:17:140
111391250,0ptp4l0-21swapper/007:35:000
111391240,1ptp4l8918-21sh07:50:110
111391240,1ptp4l30705-21timerwakeupswit10:20:204
111391240,1ptp4l15397-21smartctl12:20:121
111391240,0ptp4l27228-21df08:30:120
111391240,0ptp4l12588-21diskmemload12:05:145
111391240,0ptp4l0-21swapper/511:50:125
111391240,0ptp4l0-21swapper/511:24:405
111391240,0ptp4l0-21swapper/509:24:285
111391240,0ptp4l0-21swapper/508:35:215
111391240,0ptp4l0-21swapper/412:30:474
111391240,0ptp4l0-21swapper/412:25:174
111391240,0ptp4l0-21swapper/412:15:004
111391240,0ptp4l0-21swapper/411:31:534
111391240,0ptp4l0-21swapper/411:20:144
111391240,0ptp4l0-21swapper/411:17:444
111391240,0ptp4l0-21swapper/411:07:504
111391240,0ptp4l0-21swapper/410:48:324
111391240,0ptp4l0-21swapper/408:50:154
111391240,0ptp4l0-21swapper/408:25:194
111391240,0ptp4l0-21swapper/408:20:104
111391240,0ptp4l0-21swapper/408:00:164
111391240,0ptp4l0-21swapper/407:30:144
111391240,0ptp4l0-21swapper/407:30:134
111391240,0ptp4l0-21swapper/312:23:033
111391240,0ptp4l0-21swapper/312:10:013
111391240,0ptp4l0-21swapper/309:20:153
111391240,0ptp4l0-21swapper/111:56:451
111391240,0ptp4l0-21swapper/111:09:401
111391240,0ptp4l0-21swapper/110:48:501
111391240,0ptp4l0-21swapper/110:28:101
111391240,0ptp4l0-21swapper/012:14:550
111391240,0ptp4l0-21swapper/011:18:490
111391240,0ptp4l0-21swapper/010:40:180
111391240,0ptp4l0-21swapper/010:25:030
111391240,0ptp4l0-21swapper/009:58:490
111391240,0ptp4l0-21swapper/009:25:210
111391240,0ptp4l0-21swapper/008:40:190
111391240,0ptp4l0-21swapper/008:00:190
111391230,2ptp4l0-21swapper/509:51:195
111391230,1ptp4l9318-21ssh10:36:331
111391230,1ptp4l24052-21ssh10:59:377
111391230,0ptp4l0-21swapper/711:28:067
111391230,0ptp4l0-21swapper/711:00:127
111391230,0ptp4l0-21swapper/708:28:047
111391230,0ptp4l0-21swapper/511:55:135
111391230,0ptp4l0-21swapper/511:25:195
111391230,0ptp4l0-21swapper/511:00:175
111391230,0ptp4l0-21swapper/510:55:175
111391230,0ptp4l0-21swapper/510:45:185
111391230,0ptp4l0-21swapper/510:30:005
111391230,0ptp4l0-21swapper/510:23:395
111391230,0ptp4l0-21swapper/510:15:135
111391230,0ptp4l0-21swapper/509:55:205
111391230,0ptp4l0-21swapper/509:35:325
111391230,0ptp4l0-21swapper/509:28:355
111391230,0ptp4l0-21swapper/508:10:115
111391230,0ptp4l0-21swapper/508:05:205
111391230,0ptp4l0-21swapper/507:21:595
111391230,0ptp4l0-21swapper/507:15:195
111391230,0ptp4l0-21swapper/507:10:195
111391230,0ptp4l0-21swapper/412:35:194
111391230,0ptp4l0-21swapper/411:55:514
111391230,0ptp4l0-21swapper/411:45:144
111391230,0ptp4l0-21swapper/411:25:154
111391230,0ptp4l0-21swapper/411:10:214
111391230,0ptp4l0-21swapper/411:01:244
111391230,0ptp4l0-21swapper/410:55:194
111391230,0ptp4l0-21swapper/410:50:194
111391230,0ptp4l0-21swapper/410:35:134
111391230,0ptp4l0-21swapper/410:17:504
111391230,0ptp4l0-21swapper/409:50:524
111391230,0ptp4l0-21swapper/409:15:194
111391230,0ptp4l0-21swapper/409:05:164
111391230,0ptp4l0-21swapper/408:40:134
111391230,0ptp4l0-21swapper/408:35:134
111391230,0ptp4l0-21swapper/408:30:154
111391230,0ptp4l0-21swapper/408:15:144
111391230,0ptp4l0-21swapper/407:50:164
111391230,0ptp4l0-21swapper/407:20:104
111391230,0ptp4l0-21swapper/311:00:123
111391230,0ptp4l0-21swapper/112:05:131
111391230,0ptp4l0-21swapper/111:50:131
111391230,0ptp4l0-21swapper/109:40:121
111391230,0ptp4l0-21swapper/109:35:191
111391230,0ptp4l0-21swapper/109:00:201
111391230,0ptp4l0-21swapper/108:41:361
111391230,0ptp4l0-21swapper/108:10:151
111391230,0ptp4l0-21swapper/107:15:161
111391230,0ptp4l0-21swapper/107:10:151
111391230,0ptp4l0-21swapper/012:30:150
111391230,0ptp4l0-21swapper/012:25:200
111391230,0ptp4l0-21swapper/011:20:190
111391230,0ptp4l0-21swapper/011:10:200
111391230,0ptp4l0-21swapper/010:21:190
111391230,0ptp4l0-21swapper/010:09:560
111391230,0ptp4l0-21swapper/010:09:550
111391230,0ptp4l0-21swapper/009:15:120
111391230,0ptp4l0-21swapper/008:55:180
111391230,0ptp4l0-21swapper/008:50:160
111391230,0ptp4l0-21swapper/008:45:110
111391230,0ptp4l0-21swapper/008:20:170
111391230,0ptp4l0-21swapper/008:15:100
111391230,0ptp4l0-21swapper/007:55:160
111391230,0ptp4l0-21swapper/007:45:210
111391230,0ptp4l0-21swapper/007:25:160
111391230,0ptp4l0-21swapper/007:20:200
111391220,1ptp4l1461-21/usr/sbin/munin08:45:184
111391220,0ptp4l0-21swapper/710:14:317
111391220,0ptp4l0-21swapper/710:14:317
111391220,0ptp4l0-21swapper/512:20:175
111391220,0ptp4l0-21swapper/511:43:355
111391220,0ptp4l0-21swapper/511:30:125
111391220,0ptp4l0-21swapper/511:09:345
111391220,0ptp4l0-21swapper/510:52:495
111391220,0ptp4l0-21swapper/510:42:155
111391220,0ptp4l0-21swapper/510:01:025
111391220,0ptp4l0-21swapper/509:45:345
111391220,0ptp4l0-21swapper/509:33:275
111391220,0ptp4l0-21swapper/509:17:155
111391220,0ptp4l0-21swapper/509:11:495
111391220,0ptp4l0-21swapper/509:00:225
111391220,0ptp4l0-21swapper/508:53:295
111391220,0ptp4l0-21swapper/508:03:315
111391220,0ptp4l0-21swapper/409:55:164
111391220,0ptp4l0-21swapper/409:35:434
111391220,0ptp4l0-21swapper/409:22:194
111391220,0ptp4l0-21swapper/409:00:134
111391220,0ptp4l0-21swapper/407:35:194
111391220,0ptp4l0-21swapper/407:18:574
111391220,0ptp4l0-21swapper/312:33:563
111391220,0ptp4l0-21swapper/311:37:363
111391220,0ptp4l0-21swapper/309:19:583
111391220,0ptp4l0-21swapper/211:31:432
111391220,0ptp4l0-21swapper/209:35:122
111391220,0ptp4l0-21swapper/111:24:131
111391220,0ptp4l0-21swapper/110:54:551
111391220,0ptp4l0-21swapper/109:55:211
111391220,0ptp4l0-21swapper/109:52:241
111391220,0ptp4l0-21swapper/109:46:121
111391220,0ptp4l0-21swapper/109:32:301
111391220,0ptp4l0-21swapper/109:27:111
111391220,0ptp4l0-21swapper/109:21:581
111391220,0ptp4l0-21swapper/109:18:331
111391220,0ptp4l0-21swapper/109:10:251
111391220,0ptp4l0-21swapper/108:35:201
111391220,0ptp4l0-21swapper/108:05:151
111391220,0ptp4l0-21swapper/107:56:161
111391220,0ptp4l0-21swapper/107:35:131
111391220,0ptp4l0-21swapper/012:22:480
111391220,0ptp4l0-21swapper/012:05:470
111391220,0ptp4l0-21swapper/011:59:360
111391220,0ptp4l0-21swapper/010:55:190
111391220,0ptp4l0-21swapper/010:48:060
111391220,0ptp4l0-21swapper/009:35:150
111391220,0ptp4l0-21swapper/009:21:190
111391220,0ptp4l0-21swapper/009:05:130
111391220,0ptp4l0-21swapper/009:00:110
111391220,0ptp4l0-21swapper/008:35:130
111391220,0ptp4l0-21swapper/007:40:210
111391220,0ptp4l0-21swapper/007:35:180
111391220,0ptp4l0-21swapper/007:30:120
2185099210,4cyclictest0-21swapper/507:45:435
111391210,0ptp4l29613-21ls07:25:134
111391210,0ptp4l0-21swapper/712:33:077
111391210,0ptp4l0-21swapper/712:29:497
111391210,0ptp4l0-21swapper/712:07:287
111391210,0ptp4l0-21swapper/709:19:557
111391210,0ptp4l0-21swapper/708:21:427
111391210,0ptp4l0-21swapper/610:09:586
111391210,0ptp4l0-21swapper/610:09:586
111391210,0ptp4l0-21swapper/609:35:136
111391210,0ptp4l0-21swapper/512:34:405
111391210,0ptp4l0-21swapper/512:16:505
111391210,0ptp4l0-21swapper/512:01:265
111391210,0ptp4l0-21swapper/511:49:595
111391210,0ptp4l0-21swapper/511:19:045
111391210,0ptp4l0-21swapper/510:36:415
111391210,0ptp4l0-21swapper/510:12:365
111391210,0ptp4l0-21swapper/510:12:365
111391210,0ptp4l0-21swapper/508:59:145
111391210,0ptp4l0-21swapper/412:22:034
111391210,0ptp4l0-21swapper/408:06:314
111391210,0ptp4l0-21swapper/407:55:174
111391210,0ptp4l0-21swapper/311:48:053
111391210,0ptp4l0-21swapper/310:59:153
111391210,0ptp4l0-21swapper/310:13:013
111391210,0ptp4l0-21swapper/310:13:003
111391210,0ptp4l0-21swapper/212:30:352
111391210,0ptp4l0-21swapper/210:13:082
111391210,0ptp4l0-21swapper/210:13:082
111391210,0ptp4l0-21swapper/209:58:242
111391210,0ptp4l0-21swapper/112:31:231
111391210,0ptp4l0-21swapper/112:12:191
111391210,0ptp4l0-21swapper/112:00:441
111391210,0ptp4l0-21swapper/111:18:591
111391210,0ptp4l0-21swapper/110:55:121
111391210,0ptp4l0-21swapper/110:06:261
111391210,0ptp4l0-21swapper/110:06:261
111391210,0ptp4l0-21swapper/110:04:391
111391210,0ptp4l0-21swapper/108:53:171
111391210,0ptp4l0-21swapper/108:47:171
111391210,0ptp4l0-21swapper/107:54:301
111391210,0ptp4l0-21swapper/011:52:270
111391210,0ptp4l0-21swapper/008:28:500
111391210,0ptp4l0-21swapper/007:18:580
111391200,1ptp4l713-21rngd11:37:367
111391200,0ptp4l0-21swapper/511:35:335
111391200,0ptp4l0-21swapper/307:17:163
111391200,0ptp4l0-21swapper/210:55:362
111391200,0ptp4l0-21swapper/207:38:392
111391200,0ptp4l0-21swapper/111:45:441
111391200,0ptp4l0-21swapper/110:10:511
111391200,0ptp4l0-21swapper/110:10:501
111391200,0ptp4l0-21swapper/108:58:551
111391200,0ptp4l0-21swapper/108:26:151
111391200,0ptp4l0-21swapper/107:43:151
111391200,0ptp4l0-21swapper/008:06:220
111391200,0ptp4l0-21swapper/007:11:070
21863991915,3cyclictest17417-21turbostat08:10:007
111391190,1ptp4l321ktimersoftd/212:01:032
111391190,0ptp4l0-21swapper/711:56:237
111391190,0ptp4l0-21swapper/710:53:067
111391190,0ptp4l0-21swapper/612:01:036
111391190,0ptp4l0-21swapper/610:55:356
111391190,0ptp4l0-21swapper/609:22:406
111391190,0ptp4l0-21swapper/508:48:085
111391190,0ptp4l0-21swapper/507:26:505
111391190,0ptp4l0-21swapper/408:10:314
111391190,0ptp4l0-21swapper/310:25:403
111391190,0ptp4l0-21swapper/308:15:393
111391190,0ptp4l0-21swapper/307:49:313
111391190,0ptp4l0-21swapper/112:16:461
111391190,0ptp4l0-21swapper/108:03:151
111391190,0ptp4l0-21swapper/107:22:021
111391190,0ptp4l0-21swapper/008:14:560
111391180,0ptp4l0-21swapper/612:30:336
111391180,0ptp4l0-21swapper/611:31:406
111391180,0ptp4l0-21swapper/610:37:426
111391180,0ptp4l0-21swapper/610:33:016
111391180,0ptp4l0-21swapper/607:39:346
111391180,0ptp4l0-21swapper/311:56:213
111391180,0ptp4l0-21swapper/308:27:013
111391180,0ptp4l0-21swapper/308:23:253
111391180,0ptp4l0-21swapper/209:16:232
111391180,0ptp4l0-21swapper/107:48:061
111391170,0ptp4l0-21swapper/711:23:257
111391170,0ptp4l0-21swapper/610:54:116
111391170,0ptp4l0-21swapper/310:53:053
111391170,0ptp4l0-21swapper/309:12:363
111391170,0ptp4l0-21swapper/308:33:243
111391170,0ptp4l0-21swapper/210:54:102
111391170,0ptp4l0-21swapper/210:37:422
111391170,0ptp4l0-21swapper/210:33:012
111391170,0ptp4l0-21swapper/107:28:271
194632160,1sleep665-21ksoftirqd/609:18:596
111391160,0ptp4l0-21swapper/709:12:357
111391160,0ptp4l0-21swapper/708:15:297
111391160,0ptp4l0-21swapper/707:49:307
111391160,0ptp4l0-21swapper/610:10:026
111391160,0ptp4l0-21swapper/610:10:016
111391160,0ptp4l0-21swapper/508:40:065
111391160,0ptp4l0-21swapper/508:30:425
111391160,0ptp4l0-21swapper/407:11:104
111391160,0ptp4l0-21swapper/307:39:583
111391160,0ptp4l0-21swapper/209:22:372
111391160,0ptp4l0-21swapper/207:25:282
111391160,0ptp4l0-21swapper/108:30:291
21837991513,1cyclictest0-21swapper/312:15:163
21837991513,1cyclictest0-21swapper/311:15:173
111391150,0ptp4l0-21swapper/708:37:497
111391150,0ptp4l0-21swapper/708:33:127
111391150,0ptp4l0-21swapper/608:44:046
111391150,0ptp4l0-21swapper/608:16:556
111391150,0ptp4l0-21swapper/607:58:086
111391150,0ptp4l0-21swapper/607:50:436
111391150,0ptp4l0-21swapper/607:25:276
111391150,0ptp4l0-21swapper/508:25:475
111391150,0ptp4l0-21swapper/308:37:473
111391150,0ptp4l0-21swapper/307:40:013
111391150,0ptp4l0-21swapper/209:04:312
111391150,0ptp4l0-21swapper/208:44:032
111391150,0ptp4l0-21swapper/208:16:542
111391150,0ptp4l0-21swapper/207:50:422
111391150,0ptp4l0-21swapper/109:05:061
111391150,0ptp4l0-21swapper/108:20:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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