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2026-05-16 - 20:18

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 16, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391680,3ptp4l0-21swapper/707:05:187
111391630,0ptp4l4753-21/usr/sbin/munin10:09:594
111391620,5ptp4l0-21swapper/107:09:291
153382600,0sleep40-21swapper/412:35:154
83352580,1sleep449-21ksoftirqd/410:57:184
111391570,5ptp4l0-21swapper/507:09:195
63925634,7sleep00-21swapper/007:06:370
177462560,0sleep10-21swapper/112:39:041
67925545,6sleep20-21swapper/207:07:052
144722540,0sleep4127299cyclictest11:05:194
86725140,6sleep40-21swapper/407:08:584
91924836,7sleep30-21swapper/307:09:373
56024635,6sleep60-21swapper/607:05:396
111391340,0ptp4l0-21swapper/511:35:175
111391330,0ptp4l0-21swapper/512:26:085
111391330,0ptp4l0-21swapper/511:08:405
111391320,0ptp4l0-21swapper/510:59:175
111391310,1ptp4l9217-21df_inode07:25:127
111391310,0ptp4l0-21swapper/511:29:005
111391310,0ptp4l0-21swapper/509:45:205
111391300,0ptp4l0-21swapper/512:19:395
111391300,0ptp4l0-21swapper/511:12:455
111391300,0ptp4l0-21swapper/510:45:165
111391300,0ptp4l0-21swapper/510:45:155
111391300,0ptp4l0-21swapper/509:50:115
111391300,0ptp4l0-21swapper/509:20:215
111391290,0ptp4l0-21swapper/512:34:365
111391290,0ptp4l0-21swapper/511:40:065
111391290,0ptp4l0-21swapper/510:41:355
111391290,0ptp4l0-21swapper/510:41:345
111391290,0ptp4l0-21swapper/112:09:361
111391280,3ptp4l0-21swapper/511:59:165
111391280,0ptp4l0-21swapper/509:33:245
111391280,0ptp4l0-21swapper/509:25:345
111391280,0ptp4l0-21swapper/109:57:131
111391280,0ptp4l0-21swapper/010:31:240
111391270,1ptp4l0-21swapper/510:06:095
111391270,0ptp4l0-21swapper/512:07:435
111391270,0ptp4l0-21swapper/508:29:465
111391270,0ptp4l0-21swapper/410:45:114
111391270,0ptp4l0-21swapper/410:45:114
111391270,0ptp4l0-21swapper/112:19:481
111391270,0ptp4l0-21swapper/112:14:371
111391270,0ptp4l0-21swapper/111:23:501
111391270,0ptp4l0-21swapper/110:39:111
111391260,1ptp4l21080-21smart_sda10:30:201
111391260,1ptp4l0-21swapper/010:10:100
111391260,0ptp4l0-21swapper/512:35:345
111391260,0ptp4l0-21swapper/512:03:325
111391260,0ptp4l0-21swapper/510:19:055
111391260,0ptp4l0-21swapper/510:12:585
111391260,0ptp4l0-21swapper/409:51:494
111391260,0ptp4l0-21swapper/110:28:581
111391260,0ptp4l0-21swapper/110:14:181
111391260,0ptp4l0-21swapper/110:08:251
111391260,0ptp4l0-21swapper/109:22:211
111391260,0ptp4l0-21swapper/009:26:430
111391250,4ptp4l0-21swapper/509:44:305
111391250,2ptp4l561ktimersoftd/512:20:015
111391250,0ptp4l0-21swapper/511:53:505
111391250,0ptp4l0-21swapper/509:36:295
111391250,0ptp4l0-21swapper/509:11:475
111391250,0ptp4l0-21swapper/507:55:205
111391250,0ptp4l0-21swapper/507:45:005
111391250,0ptp4l0-21swapper/311:56:483
111391250,0ptp4l0-21swapper/111:55:371
111391250,0ptp4l0-21swapper/111:45:121
111391250,0ptp4l0-21swapper/111:37:011
111391250,0ptp4l0-21swapper/109:28:461
111391250,0ptp4l0-21swapper/109:16:121
111391250,0ptp4l0-21swapper/109:13:471
111391250,0ptp4l0-21swapper/108:45:161
111391240,3ptp4l0-21swapper/511:18:425
111391240,3ptp4l0-21swapper/508:54:365
111391240,1ptp4l4842-21/usr/sbin/munin12:20:181
111391240,1ptp4l4641-21diskstats07:15:125
111391240,1ptp4l13249-21ssh11:49:007
111391240,1ptp4l124499cyclictest08:05:000
111391240,1ptp4l11900-21hddtemp_smartct09:35:141
111391240,0ptp4l0-21swapper/512:10:115
111391240,0ptp4l0-21swapper/511:33:245
111391240,0ptp4l0-21swapper/511:04:055
111391240,0ptp4l0-21swapper/510:36:015
111391240,0ptp4l0-21swapper/510:05:005
111391240,0ptp4l0-21swapper/509:58:145
111391240,0ptp4l0-21swapper/509:05:205
111391240,0ptp4l0-21swapper/508:20:155
111391240,0ptp4l0-21swapper/508:09:565
111391240,0ptp4l0-21swapper/508:09:555
111391240,0ptp4l0-21swapper/411:38:134
111391240,0ptp4l0-21swapper/112:31:231
111391240,0ptp4l0-21swapper/110:52:401
111391240,0ptp4l0-21swapper/109:50:441
111391240,0ptp4l0-21swapper/109:40:121
111391240,0ptp4l0-21swapper/011:52:330
111391230,1ptp4l20708-21hddtemp_smartct07:50:141
111391230,1ptp4l16090-21df07:40:101
111391230,1ptp4l125999cyclictest11:27:502
111391230,0ptp4l0-21swapper/710:45:217
111391230,0ptp4l0-21swapper/710:45:207
111391230,0ptp4l0-21swapper/612:39:076
111391230,0ptp4l0-21swapper/511:45:195
111391230,0ptp4l0-21swapper/511:20:125
111391230,0ptp4l0-21swapper/510:50:025
111391230,0ptp4l0-21swapper/509:16:145
111391230,0ptp4l0-21swapper/509:00:135
111391230,0ptp4l0-21swapper/508:10:215
111391230,0ptp4l0-21swapper/507:35:165
111391230,0ptp4l0-21swapper/507:10:205
111391230,0ptp4l0-21swapper/410:50:164
111391230,0ptp4l0-21swapper/409:05:154
111391230,0ptp4l0-21swapper/407:40:144
111391230,0ptp4l0-21swapper/310:55:183
111391230,0ptp4l0-21swapper/310:45:203
111391230,0ptp4l0-21swapper/310:45:193
111391230,0ptp4l0-21swapper/112:25:151
111391230,0ptp4l0-21swapper/112:00:101
111391230,0ptp4l0-21swapper/111:30:121
111391230,0ptp4l0-21swapper/111:29:361
111391230,0ptp4l0-21swapper/111:08:421
111391230,0ptp4l0-21swapper/111:00:121
111391230,0ptp4l0-21swapper/110:55:171
111391230,0ptp4l0-21swapper/110:45:161
111391230,0ptp4l0-21swapper/110:45:151
111391230,0ptp4l0-21swapper/110:43:391
111391230,0ptp4l0-21swapper/110:43:381
111391230,0ptp4l0-21swapper/110:21:011
111391230,0ptp4l0-21swapper/110:15:141
111391230,0ptp4l0-21swapper/110:00:171
111391230,0ptp4l0-21swapper/108:55:011
111391230,0ptp4l0-21swapper/108:35:151
111391230,0ptp4l0-21swapper/108:20:121
111391230,0ptp4l0-21swapper/108:15:191
111391230,0ptp4l0-21swapper/108:05:201
111391230,0ptp4l0-21swapper/108:05:201
111391230,0ptp4l0-21swapper/108:00:161
111391230,0ptp4l0-21swapper/107:45:141
111391230,0ptp4l0-21swapper/107:35:211
111391230,0ptp4l0-21swapper/107:30:141
111391230,0ptp4l0-21swapper/012:25:140
111391230,0ptp4l0-21swapper/011:55:180
111391230,0ptp4l0-21swapper/010:04:560
111391230,0ptp4l0-21swapper/009:48:500
111391220,0ptp4l31831-21ssh12:14:220
111391220,0ptp4l20232-21cpu09:00:121
111391220,0ptp4l0-21swapper/711:55:527
111391220,0ptp4l0-21swapper/710:55:207
111391220,0ptp4l0-21swapper/611:27:456
111391220,0ptp4l0-21swapper/510:30:115
111391220,0ptp4l0-21swapper/510:25:175
111391220,0ptp4l0-21swapper/510:20:065
111391220,0ptp4l0-21swapper/508:55:125
111391220,0ptp4l0-21swapper/508:45:205
111391220,0ptp4l0-21swapper/508:40:175
111391220,0ptp4l0-21swapper/508:35:135
111391220,0ptp4l0-21swapper/508:30:175
111391220,0ptp4l0-21swapper/508:00:135
111391220,0ptp4l0-21swapper/507:50:125
111391220,0ptp4l0-21swapper/507:30:175
111391220,0ptp4l0-21swapper/507:20:165
111391220,0ptp4l0-21swapper/412:19:284
111391220,0ptp4l0-21swapper/412:09:284
111391220,0ptp4l0-21swapper/411:45:154
111391220,0ptp4l0-21swapper/411:10:124
111391220,0ptp4l0-21swapper/410:15:184
111391220,0ptp4l0-21swapper/410:10:224
111391220,0ptp4l0-21swapper/410:01:044
111391220,0ptp4l0-21swapper/409:59:064
111391220,0ptp4l0-21swapper/409:40:534
111391220,0ptp4l0-21swapper/409:11:254
111391220,0ptp4l0-21swapper/407:45:214
111391220,0ptp4l0-21swapper/407:35:144
111391220,0ptp4l0-21swapper/309:35:523
111391220,0ptp4l0-21swapper/308:01:513
111391220,0ptp4l0-21swapper/307:25:163
111391220,0ptp4l0-21swapper/212:39:102
111391220,0ptp4l0-21swapper/210:00:162
111391220,0ptp4l0-21swapper/209:36:182
111391220,0ptp4l0-21swapper/111:50:171
111391220,0ptp4l0-21swapper/111:15:141
111391220,0ptp4l0-21swapper/111:10:151
111391220,0ptp4l0-21swapper/109:45:131
111391220,0ptp4l0-21swapper/109:30:121
111391220,0ptp4l0-21swapper/109:05:201
111391220,0ptp4l0-21swapper/108:50:201
111391220,0ptp4l0-21swapper/108:25:121
111391220,0ptp4l0-21swapper/108:10:181
111391220,0ptp4l0-21swapper/107:55:131
111391220,0ptp4l0-21swapper/107:20:171
111391220,0ptp4l0-21swapper/107:15:001
111391220,0ptp4l0-21swapper/012:07:080
111391220,0ptp4l0-21swapper/011:45:170
111391220,0ptp4l0-21swapper/011:35:140
111391220,0ptp4l0-21swapper/011:10:110
111391220,0ptp4l0-21swapper/010:50:180
111391220,0ptp4l0-21swapper/010:45:120
111391220,0ptp4l0-21swapper/010:45:120
111391220,0ptp4l0-21swapper/010:40:120
111391220,0ptp4l0-21swapper/010:40:110
111391220,0ptp4l0-21swapper/010:15:160
111391220,0ptp4l0-21swapper/009:10:170
111391220,0ptp4l0-21swapper/007:35:120
111391210,0ptp4l0-21swapper/709:35:527
111391210,0ptp4l0-21swapper/610:00:176
111391210,0ptp4l0-21swapper/609:59:136
111391210,0ptp4l0-21swapper/508:15:185
111391210,0ptp4l0-21swapper/507:45:145
111391210,0ptp4l0-21swapper/412:20:434
111391210,0ptp4l0-21swapper/411:50:004
111391210,0ptp4l0-21swapper/411:41:174
111391210,0ptp4l0-21swapper/411:00:244
111391210,0ptp4l0-21swapper/410:39:554
111391210,0ptp4l0-21swapper/410:30:424
111391210,0ptp4l0-21swapper/410:27:224
111391210,0ptp4l0-21swapper/409:49:384
111391210,0ptp4l0-21swapper/409:34:284
111391210,0ptp4l0-21swapper/409:23:554
111391210,0ptp4l0-21swapper/408:00:154
111391210,0ptp4l0-21swapper/311:48:403
111391210,0ptp4l0-21swapper/310:23:463
111391210,0ptp4l0-21swapper/209:32:072
111391210,0ptp4l0-21swapper/111:40:131
111391210,0ptp4l0-21swapper/108:41:471
111391210,0ptp4l0-21swapper/108:30:181
111391210,0ptp4l0-21swapper/107:29:581
111391210,0ptp4l0-21swapper/107:14:481
111391210,0ptp4l0-21swapper/012:20:420
111391210,0ptp4l0-21swapper/011:30:400
111391210,0ptp4l0-21swapper/011:27:570
111391210,0ptp4l0-21swapper/011:05:160
111391210,0ptp4l0-21swapper/011:00:120
111391210,0ptp4l0-21swapper/010:56:150
111391210,0ptp4l0-21swapper/010:25:420
111391210,0ptp4l0-21swapper/010:23:520
111391210,0ptp4l0-21swapper/010:06:130
111391210,0ptp4l0-21swapper/009:56:170
111391210,0ptp4l0-21swapper/009:53:180
111391210,0ptp4l0-21swapper/009:40:470
111391210,0ptp4l0-21swapper/009:34:060
111391210,0ptp4l0-21swapper/009:05:160
111391210,0ptp4l0-21swapper/008:49:500
111391210,0ptp4l0-21swapper/007:45:180
111391210,0ptp4l0-21swapper/007:30:140
111391200,0ptp4l24372-21diskmemload12:28:557
111391200,0ptp4l0-21swapper/609:32:086
111391200,0ptp4l0-21swapper/412:01:564
111391200,0ptp4l0-21swapper/411:57:474
111391200,0ptp4l0-21swapper/411:29:464
111391200,0ptp4l0-21swapper/411:17:064
111391200,0ptp4l0-21swapper/410:40:114
111391200,0ptp4l0-21swapper/410:40:114
111391200,0ptp4l0-21swapper/410:21:174
111391200,0ptp4l0-21swapper/409:35:084
111391200,0ptp4l0-21swapper/409:19:154
111391200,0ptp4l0-21swapper/408:05:014
111391200,0ptp4l0-21swapper/408:05:004
111391200,0ptp4l0-21swapper/209:59:142
111391200,0ptp4l0-21swapper/012:38:120
111391200,0ptp4l0-21swapper/012:32:500
111391200,0ptp4l0-21swapper/012:16:140
111391200,0ptp4l0-21swapper/012:01:210
111391200,0ptp4l0-21swapper/011:43:000
111391200,0ptp4l0-21swapper/010:36:040
111391200,0ptp4l0-21swapper/009:36:070
111391200,0ptp4l0-21swapper/009:21:350
111391200,0ptp4l0-21swapper/007:12:580
111391190,0ptp4l0-21swapper/708:51:357
111391190,0ptp4l0-21swapper/609:36:016
111391190,0ptp4l0-21swapper/412:31:274
111391190,0ptp4l0-21swapper/409:27:254
111391190,0ptp4l0-21swapper/408:40:014
111391190,0ptp4l0-21swapper/407:18:474
111391190,0ptp4l0-21swapper/312:28:503
111391190,0ptp4l0-21swapper/011:24:180
111391190,0ptp4l0-21swapper/011:16:270
111391190,0ptp4l0-21swapper/009:18:490
111391190,0ptp4l0-21swapper/008:40:190
111391190,0ptp4l0-21swapper/008:26:470
111391190,0ptp4l0-21swapper/007:40:160
111391180,0ptp4l0-21swapper/710:23:457
111391180,0ptp4l0-21swapper/609:45:336
111391180,0ptp4l0-21swapper/609:23:236
111391180,0ptp4l0-21swapper/412:29:104
111391180,0ptp4l0-21swapper/211:52:092
111391180,0ptp4l0-21swapper/209:45:312
111391180,0ptp4l0-21swapper/008:55:250
111391180,0ptp4l0-21swapper/007:16:350
111391170,2ptp4l0-21swapper/008:09:050
111391170,2ptp4l0-21swapper/008:09:040
111391170,0ptp4l0-21swapper/412:10:234
111391170,0ptp4l0-21swapper/411:20:054
111391170,0ptp4l0-21swapper/408:34:304
111391170,0ptp4l0-21swapper/007:53:570
260052160,0sleep30-21swapper/310:37:153
111391160,0ptp4l0-21swapper/211:48:012
111391160,0ptp4l0-21swapper/210:39:592
111391160,0ptp4l0-21swapper/209:23:202
111391160,0ptp4l0-21swapper/009:00:350
111391160,0ptp4l0-21swapper/007:27:060
126599150,14cyclictest0-21swapper/310:50:003
111391150,0ptp4l0-21swapper/708:01:507
111391150,0ptp4l0-21swapper/707:34:487
111391150,0ptp4l0-21swapper/707:24:557
111391150,0ptp4l0-21swapper/611:48:006
111391150,0ptp4l0-21swapper/610:39:576
111391150,0ptp4l0-21swapper/608:04:466
111391150,0ptp4l0-21swapper/507:27:245
111391150,0ptp4l0-21swapper/408:55:254
111391150,0ptp4l0-21swapper/408:54:164
111391150,0ptp4l0-21swapper/408:47:184
111391150,0ptp4l0-21swapper/408:36:314
111391150,0ptp4l0-21swapper/408:26:474
111391150,0ptp4l0-21swapper/408:20:284
111391150,0ptp4l0-21swapper/407:59:044
111391150,0ptp4l0-21swapper/407:32:384
111391150,0ptp4l0-21swapper/407:28:284
111391150,0ptp4l0-21swapper/407:21:464
111391150,0ptp4l0-21swapper/407:12:154
111391150,0ptp4l0-21swapper/308:51:363
111391150,0ptp4l0-21swapper/307:35:023
111391150,0ptp4l0-21swapper/307:24:543
111391150,0ptp4l0-21swapper/208:04:462
111391150,0ptp4l0-21swapper/008:54:140
111391150,0ptp4l0-21swapper/008:36:270
111391150,0ptp4l0-21swapper/008:33:440
111391150,0ptp4l0-21swapper/008:20:280
111391150,0ptp4l0-21swapper/008:15:390
111391150,0ptp4l0-21swapper/007:58:040
111391150,0ptp4l0-21swapper/007:21:450
111391140,0ptp4l0-21swapper/707:35:027
111391140,0ptp4l0-21swapper/608:53:246
111391140,0ptp4l0-21swapper/608:46:026
111391140,0ptp4l0-21swapper/409:00:364
111391140,0ptp4l0-21swapper/408:15:404
111391140,0ptp4l0-21swapper/407:51:414
111391140,0ptp4l0-21swapper/307:34:473
111391140,0ptp4l0-21swapper/208:53:262
111391140,0ptp4l0-21swapper/208:49:152
129399110,0cyclictest0-21swapper/709:42:297
128699119,1cyclictest24372-21diskmemload12:02:436
128699110,10cyclictest0-21swapper/611:23:456
128699110,10cyclictest0-21swapper/610:15:336
126599118,1cyclictest29645-21munin-run09:59:593
125999110,1cyclictest24521-21ssh12:04:392
129399109,0cyclictest0-21swapper/709:28:207
129399109,0cyclictest0-21swapper/709:15:567
129399100,9cyclictest0-21swapper/711:14:347
128699109,0cyclictest0-21swapper/612:34:466
128699100,9cyclictest0-21swapper/610:49:206
128699100,9cyclictest0-21swapper/610:49:206
128699100,0cyclictest0-21swapper/611:05:126
128699100,0cyclictest0-21swapper/609:53:526
126599100,9cyclictest0-21swapper/311:41:153
126599100,9cyclictest0-21swapper/310:41:423
126599100,9cyclictest0-21swapper/310:41:413
125999100,9cyclictest0-21swapper/210:20:362
18819190,5phc2sys19758-21sshd07:46:476
12939998,0cyclictest0-21swapper/712:12:257
12939998,0cyclictest0-21swapper/710:38:077
12939990,0cyclictest0-21swapper/708:35:237
12869998,0cyclictest0-21swapper/612:17:106
12729990,8cyclictest0-21swapper/411:30:014
12659990,0cyclictest0-21swapper/312:24:293
12659990,0cyclictest0-21swapper/309:22:583
12599998,0cyclictest0-21swapper/211:07:162
12599998,0cyclictest0-21swapper/208:10:192
12599990,1cyclictest0-21swapper/209:26:082
12599990,0cyclictest0-21swapper/212:19:252
12599990,0cyclictest0-21swapper/210:50:562
12939987,0cyclictest0-21swapper/711:43:127
12939982,3cyclictest186291getstats09:31:507
12869986,1cyclictest0-21swapper/610:13:526
12869985,2cyclictest10586-21sshd08:39:476
12869980,6cyclictest17371-21sshd11:54:576
12659987,0cyclictest0-21swapper/312:09:143
12659987,0cyclictest0-21swapper/309:34:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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