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2026-06-12 - 23:02

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 Fri Jun 12, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,5ptp4l0-21swapper/407:08:124
1881916050,6phc2sys0-21swapper/707:09:217
111391600,29ptp4l0-21swapper/007:07:100
1922825747,6sleep20-21swapper/207:07:472
12062570,0sleep60-21swapper/611:09:006
102112570,0sleep20-21swapper/211:20:172
111391550,5ptp4l0-21swapper/107:06:271
1939024837,7sleep50-21swapper/507:09:505
1749624836,7sleep60-21swapper/607:05:096
1906524635,7sleep30-21swapper/307:05:383
111391340,1ptp4l31003-21irqstats10:20:151
111391340,0ptp4l0-21swapper/012:05:160
111391320,1ptp4l9386-21/usr/sbin/munin10:35:150
111391320,0ptp4l0-21swapper/507:45:135
111391310,0ptp4l0-21swapper/510:08:295
111391310,0ptp4l0-21swapper/109:24:511
111391310,0ptp4l0-21swapper/009:38:210
111391310,0ptp4l0-21swapper/007:45:170
111391300,0ptp4l0-21swapper/111:41:211
111391300,0ptp4l0-21swapper/012:29:140
111391300,0ptp4l0-21swapper/011:46:360
111391300,0ptp4l0-21swapper/010:40:370
111391300,0ptp4l0-21swapper/010:40:360
111391300,0ptp4l0-21swapper/010:18:250
111391300,0ptp4l0-21swapper/010:04:390
111391300,0ptp4l0-21swapper/009:10:350
111391290,0ptp4l0-21swapper/511:45:195
111391290,0ptp4l0-21swapper/411:58:414
111391290,0ptp4l0-21swapper/311:59:003
111391290,0ptp4l0-21swapper/112:18:481
111391290,0ptp4l0-21swapper/110:07:581
111391280,0ptp4l0-21swapper/409:43:444
111391280,0ptp4l0-21swapper/012:17:270
111391280,0ptp4l0-21swapper/010:59:190
111391280,0ptp4l0-21swapper/008:00:120
111391270,1ptp4l0-21swapper/109:05:191
111391270,0ptp4l0-21swapper/711:59:047
111391270,0ptp4l0-21swapper/709:50:497
111391270,0ptp4l0-21swapper/511:35:145
111391270,0ptp4l0-21swapper/412:04:544
111391270,0ptp4l0-21swapper/411:53:354
111391270,0ptp4l0-21swapper/410:42:504
111391270,0ptp4l0-21swapper/410:42:494
111391270,0ptp4l0-21swapper/409:34:564
111391270,0ptp4l0-21swapper/409:19:034
111391270,0ptp4l0-21swapper/109:16:151
111391270,0ptp4l0-21swapper/012:00:290
111391270,0ptp4l0-21swapper/011:54:010
111391270,0ptp4l0-21swapper/011:31:510
111391270,0ptp4l0-21swapper/011:26:380
111391270,0ptp4l0-21swapper/011:11:120
111391270,0ptp4l0-21swapper/010:32:520
19691992620,3cyclictest481ktimersoftd/407:25:594
111391260,0ptp4l0-21swapper/610:46:576
111391260,0ptp4l0-21swapper/510:32:165
111391260,0ptp4l0-21swapper/510:29:485
111391260,0ptp4l0-21swapper/412:25:324
111391260,0ptp4l0-21swapper/412:08:374
111391260,0ptp4l0-21swapper/410:11:584
111391260,0ptp4l0-21swapper/112:11:451
111391260,0ptp4l0-21swapper/111:24:321
111391260,0ptp4l0-21swapper/110:30:071
111391260,0ptp4l0-21swapper/110:19:501
111391260,0ptp4l0-21swapper/108:35:161
111391260,0ptp4l0-21swapper/011:55:140
111391260,0ptp4l0-21swapper/011:09:450
111391260,0ptp4l0-21swapper/011:03:340
111391260,0ptp4l0-21swapper/009:18:290
111391250,0ptp4l0-21swapper/512:30:005
111391250,0ptp4l0-21swapper/510:39:175
111391250,0ptp4l0-21swapper/509:20:205
111391250,0ptp4l0-21swapper/412:38:054
111391250,0ptp4l0-21swapper/411:29:554
111391250,0ptp4l0-21swapper/409:46:544
111391250,0ptp4l0-21swapper/409:27:294
111391250,0ptp4l0-21swapper/409:22:364
111391250,0ptp4l0-21swapper/111:27:591
111391250,0ptp4l0-21swapper/110:29:401
111391250,0ptp4l0-21swapper/012:22:300
111391250,0ptp4l0-21swapper/012:10:300
111391250,0ptp4l0-21swapper/010:50:420
111391250,0ptp4l0-21swapper/008:05:140
111391250,0ptp4l0-21swapper/008:05:130
111391250,0ptp4l0-21swapper/007:15:000
111391240,1ptp4l26654-21missed_timers09:30:170
111391240,1ptp4l20254-21strings10:05:164
111391240,1ptp4l2008-21/usr/sbin/munin10:25:137
111391240,1ptp4l1517-21latency_hist07:40:010
111391240,0ptp4l0-21swapper/711:29:207
111391240,0ptp4l0-21swapper/708:50:137
111391240,0ptp4l0-21swapper/512:11:305
111391240,0ptp4l0-21swapper/512:06:095
111391240,0ptp4l0-21swapper/509:45:135
111391240,0ptp4l0-21swapper/509:16:135
111391240,0ptp4l0-21swapper/507:26:435
111391240,0ptp4l0-21swapper/412:15:164
111391240,0ptp4l0-21swapper/411:05:034
111391240,0ptp4l0-21swapper/410:36:264
111391240,0ptp4l0-21swapper/410:22:044
111391240,0ptp4l0-21swapper/410:15:164
111391240,0ptp4l0-21swapper/410:00:194
111391240,0ptp4l0-21swapper/407:15:004
111391240,0ptp4l0-21swapper/309:55:203
111391240,0ptp4l0-21swapper/207:15:132
111391240,0ptp4l0-21swapper/111:53:221
111391240,0ptp4l0-21swapper/110:53:301
111391240,0ptp4l0-21swapper/012:30:150
111391240,0ptp4l0-21swapper/011:40:060
111391240,0ptp4l0-21swapper/011:24:530
111391240,0ptp4l0-21swapper/010:28:370
111391240,0ptp4l0-21swapper/010:06:360
111391240,0ptp4l0-21swapper/008:55:180
111391240,0ptp4l0-21swapper/008:14:240
111391240,0ptp4l0-21swapper/008:00:000
111391230,1ptp4l7692-21unixbench_singl09:00:214
111391230,1ptp4l26967-21latency_hist07:25:014
111391230,1ptp4l25823-21ssh11:41:055
111391230,1ptp4l23909-21cat08:25:201
111391230,1ptp4l1068-21runrttasks10:50:114
111391230,1ptp4l10431-21diskmemload11:49:271
111391230,0ptp4l0-21swapper/709:55:017
111391230,0ptp4l0-21swapper/709:12:087
111391230,0ptp4l0-21swapper/707:55:107
111391230,0ptp4l0-21swapper/512:30:105
111391230,0ptp4l0-21swapper/511:20:185
111391230,0ptp4l0-21swapper/511:00:145
111391230,0ptp4l0-21swapper/510:56:375
111391230,0ptp4l0-21swapper/510:20:055
111391230,0ptp4l0-21swapper/510:16:525
111391230,0ptp4l0-21swapper/509:25:165
111391230,0ptp4l0-21swapper/509:04:595
111391230,0ptp4l0-21swapper/508:35:205
111391230,0ptp4l0-21swapper/508:20:135
111391230,0ptp4l0-21swapper/508:10:145
111391230,0ptp4l0-21swapper/412:33:524
111391230,0ptp4l0-21swapper/412:24:354
111391230,0ptp4l0-21swapper/412:10:124
111391230,0ptp4l0-21swapper/411:40:134
111391230,0ptp4l0-21swapper/411:30:144
111391230,0ptp4l0-21swapper/411:20:184
111391230,0ptp4l0-21swapper/411:15:104
111391230,0ptp4l0-21swapper/411:10:314
111391230,0ptp4l0-21swapper/411:01:014
111391230,0ptp4l0-21swapper/410:55:134
111391230,0ptp4l0-21swapper/410:26:514
111391230,0ptp4l0-21swapper/409:10:124
111391230,0ptp4l0-21swapper/408:55:124
111391230,0ptp4l0-21swapper/408:40:134
111391230,0ptp4l0-21swapper/408:30:134
111391230,0ptp4l0-21swapper/408:25:134
111391230,0ptp4l0-21swapper/408:05:154
111391230,0ptp4l0-21swapper/408:05:144
111391230,0ptp4l0-21swapper/407:30:224
111391230,0ptp4l0-21swapper/309:50:143
111391230,0ptp4l0-21swapper/307:55:113
111391230,0ptp4l0-21swapper/211:15:182
111391230,0ptp4l0-21swapper/209:35:182
111391230,0ptp4l0-21swapper/112:20:151
111391230,0ptp4l0-21swapper/111:35:131
111391230,0ptp4l0-21swapper/111:10:181
111391230,0ptp4l0-21swapper/110:45:191
111391230,0ptp4l0-21swapper/110:10:141
111391230,0ptp4l0-21swapper/109:45:121
111391230,0ptp4l0-21swapper/109:44:441
111391230,0ptp4l0-21swapper/108:20:131
111391230,0ptp4l0-21swapper/012:35:090
111391230,0ptp4l0-21swapper/011:15:100
111391230,0ptp4l0-21swapper/010:45:080
111391230,0ptp4l0-21swapper/010:20:380
111391230,0ptp4l0-21swapper/009:45:320
111391230,0ptp4l0-21swapper/009:29:170
111391230,0ptp4l0-21swapper/008:54:310
111391230,0ptp4l0-21swapper/008:45:110
111391230,0ptp4l0-21swapper/008:40:170
111391230,0ptp4l0-21swapper/008:20:200
111391230,0ptp4l0-21swapper/007:50:140
111391230,0ptp4l0-21swapper/007:40:130
111391230,0ptp4l0-21swapper/007:10:150
111391220,1ptp4l0-21swapper/210:28:572
111391220,0ptp4l22458-21ssh11:37:084
111391220,0ptp4l0-21swapper/710:24:167
111391220,0ptp4l0-21swapper/709:44:067
111391220,0ptp4l0-21swapper/611:53:396
111391220,0ptp4l0-21swapper/610:57:306
111391220,0ptp4l0-21swapper/609:58:366
111391220,0ptp4l0-21swapper/609:35:216
111391220,0ptp4l0-21swapper/607:15:126
111391220,0ptp4l0-21swapper/512:20:165
111391220,0ptp4l0-21swapper/511:56:005
111391220,0ptp4l0-21swapper/511:51:435
111391220,0ptp4l0-21swapper/511:34:565
111391220,0ptp4l0-21swapper/511:27:355
111391220,0ptp4l0-21swapper/511:17:035
111391220,0ptp4l0-21swapper/511:11:425
111391220,0ptp4l0-21swapper/510:51:055
111391220,0ptp4l0-21swapper/510:10:205
111391220,0ptp4l0-21swapper/411:45:024
111391220,0ptp4l0-21swapper/410:45:304
111391220,0ptp4l0-21swapper/410:30:144
111391220,0ptp4l0-21swapper/409:56:064
111391220,0ptp4l0-21swapper/409:35:104
111391220,0ptp4l0-21swapper/409:05:154
111391220,0ptp4l0-21swapper/408:45:014
111391220,0ptp4l0-21swapper/408:20:204
111391220,0ptp4l0-21swapper/408:15:134
111391220,0ptp4l0-21swapper/408:00:154
111391220,0ptp4l0-21swapper/407:50:214
111391220,0ptp4l0-21swapper/407:45:204
111391220,0ptp4l0-21swapper/407:40:144
111391220,0ptp4l0-21swapper/407:35:234
111391220,0ptp4l0-21swapper/407:15:204
111391220,0ptp4l0-21swapper/311:29:203
111391220,0ptp4l0-21swapper/310:25:043
111391220,0ptp4l0-21swapper/309:11:033
111391220,0ptp4l0-21swapper/308:50:163
111391220,0ptp4l0-21swapper/211:53:402
111391220,0ptp4l0-21swapper/210:58:592
111391220,0ptp4l0-21swapper/210:11:482
111391220,0ptp4l0-21swapper/112:36:261
111391220,0ptp4l0-21swapper/112:30:011
111391220,0ptp4l0-21swapper/112:26:381
111391220,0ptp4l0-21swapper/112:03:151
111391220,0ptp4l0-21swapper/111:31:411
111391220,0ptp4l0-21swapper/111:19:431
111391220,0ptp4l0-21swapper/110:56:311
111391220,0ptp4l0-21swapper/110:00:231
111391220,0ptp4l0-21swapper/109:58:461
111391220,0ptp4l0-21swapper/109:36:261
111391220,0ptp4l0-21swapper/109:30:241
111391220,0ptp4l0-21swapper/109:25:121
111391220,0ptp4l0-21swapper/108:10:161
111391220,0ptp4l0-21swapper/011:37:170
111391220,0ptp4l0-21swapper/010:12:040
111391220,0ptp4l0-21swapper/009:58:050
111391220,0ptp4l0-21swapper/009:43:250
111391220,0ptp4l0-21swapper/008:38:470
111391220,0ptp4l0-21swapper/008:30:130
111391220,0ptp4l0-21swapper/008:25:130
111391220,0ptp4l0-21swapper/008:19:240
111391220,0ptp4l0-21swapper/007:30:140
111391220,0ptp4l0-21swapper/007:25:240
111391220,0ptp4l0-21swapper/007:20:160
111391210,3ptp4l0-21swapper/607:49:076
111391210,0ptp4l0-21swapper/710:52:487
111391210,0ptp4l0-21swapper/709:49:547
111391210,0ptp4l0-21swapper/611:33:026
111391210,0ptp4l0-21swapper/609:33:476
111391210,0ptp4l0-21swapper/512:36:245
111391210,0ptp4l0-21swapper/512:18:345
111391210,0ptp4l0-21swapper/512:03:105
111391210,0ptp4l0-21swapper/511:09:095
111391210,0ptp4l0-21swapper/510:45:195
111391210,0ptp4l0-21swapper/509:53:235
111391210,0ptp4l0-21swapper/509:42:045
111391210,0ptp4l0-21swapper/509:34:305
111391210,0ptp4l0-21swapper/508:09:445
111391210,0ptp4l0-21swapper/508:09:435
111391210,0ptp4l0-21swapper/409:51:114
111391210,0ptp4l0-21swapper/310:52:463
111391210,0ptp4l0-21swapper/309:44:053
111391210,0ptp4l0-21swapper/211:29:282
111391210,0ptp4l0-21swapper/209:58:312
111391210,0ptp4l0-21swapper/209:34:382
111391210,0ptp4l0-21swapper/208:40:352
111391210,0ptp4l0-21swapper/112:05:401
111391210,0ptp4l0-21swapper/111:06:051
111391210,0ptp4l0-21swapper/111:00:111
111391210,0ptp4l0-21swapper/110:44:081
111391210,0ptp4l0-21swapper/110:44:071
111391210,0ptp4l0-21swapper/110:39:141
111391210,0ptp4l0-21swapper/109:14:191
111391210,0ptp4l0-21swapper/107:45:121
111391210,0ptp4l0-21swapper/107:16:331
111391210,0ptp4l0-21swapper/009:51:210
111391210,0ptp4l0-21swapper/009:21:520
111391210,0ptp4l0-21swapper/009:00:190
111391200,0ptp4l0-21swapper/610:19:146
111391200,0ptp4l0-21swapper/510:44:265
111391200,0ptp4l0-21swapper/510:44:255
111391200,0ptp4l0-21swapper/509:36:075
111391200,0ptp4l0-21swapper/509:11:265
111391200,0ptp4l0-21swapper/508:27:145
111391200,0ptp4l0-21swapper/508:00:275
111391200,0ptp4l0-21swapper/408:52:364
111391200,0ptp4l0-21swapper/408:38:254
111391200,0ptp4l0-21swapper/311:30:203
111391200,0ptp4l0-21swapper/310:24:423
111391200,0ptp4l0-21swapper/309:49:553
111391200,0ptp4l0-21swapper/212:12:582
111391200,0ptp4l0-21swapper/211:05:262
111391200,0ptp4l0-21swapper/208:30:562
111391200,0ptp4l0-21swapper/111:55:531
111391200,0ptp4l0-21swapper/109:51:351
111391200,0ptp4l0-21swapper/107:51:111
111391200,0ptp4l0-21swapper/107:12:251
111391200,0ptp4l0-21swapper/009:05:160
111391190,0ptp4l10431-21diskmemload11:33:032
111391190,0ptp4l0-21swapper/708:05:357
111391190,0ptp4l0-21swapper/708:05:347
111391190,0ptp4l0-21swapper/611:55:086
111391190,0ptp4l0-21swapper/611:46:216
111391190,0ptp4l0-21swapper/610:25:516
111391190,0ptp4l0-21swapper/609:12:566
111391190,0ptp4l0-21swapper/507:44:575
111391190,0ptp4l0-21swapper/212:32:302
111391190,0ptp4l0-21swapper/210:18:002
111391190,0ptp4l0-21swapper/209:29:282
111391190,0ptp4l0-21swapper/108:17:141
82082180,0sleep70-21swapper/712:01:487
111391180,0ptp4l0-21swapper/711:09:207
111391180,0ptp4l0-21swapper/612:16:586
111391180,0ptp4l0-21swapper/611:29:286
111391180,0ptp4l0-21swapper/610:54:336
111391180,0ptp4l0-21swapper/610:11:516
111391180,0ptp4l0-21swapper/509:57:145
111391180,0ptp4l0-21swapper/507:21:015
111391180,0ptp4l0-21swapper/407:56:264
111391180,0ptp4l0-21swapper/311:09:213
111391180,0ptp4l0-21swapper/307:54:553
111391180,0ptp4l0-21swapper/211:55:092
111391180,0ptp4l0-21swapper/211:45:482
111391180,0ptp4l0-21swapper/108:48:571
111391170,1ptp4l25-21ksoftirqd/108:00:261
111391170,0ptp4l0-21swapper/612:12:596
111391170,0ptp4l0-21swapper/510:00:255
265252160,0sleep30-21swapper/312:27:223
111391160,1ptp4l41-21ksoftirqd/307:44:153
111391160,0ptp4l0-21swapper/711:30:227
111391160,0ptp4l0-21swapper/707:29:187
111391160,0ptp4l0-21swapper/608:51:466
111391160,0ptp4l0-21swapper/509:03:325
111391160,0ptp4l0-21swapper/508:43:305
111391160,0ptp4l0-21swapper/210:54:332
111391160,0ptp4l0-21swapper/209:12:522
111391160,0ptp4l0-21swapper/207:49:072
111391160,0ptp4l0-21swapper/108:54:121
111391160,0ptp4l0-21swapper/108:07:411
111391160,0ptp4l0-21swapper/108:07:411
111391160,0ptp4l0-21swapper/107:59:231
111391160,0ptp4l0-21swapper/107:44:471
111391160,0ptp4l0-21swapper/107:37:151
111391160,0ptp4l0-21swapper/107:20:441
251202150,0sleep3401ktimersoftd/309:29:233
111391150,0ptp4l0-21swapper/707:54:427
111391150,0ptp4l0-21swapper/707:33:267
111391150,0ptp4l0-21swapper/609:29:286
111391150,0ptp4l0-21swapper/609:02:136
111391150,0ptp4l0-21swapper/608:40:316
111391150,0ptp4l0-21swapper/608:38:586
111391150,0ptp4l0-21swapper/608:28:136
111391150,0ptp4l0-21swapper/608:23:246
111391150,0ptp4l0-21swapper/608:16:306
111391150,0ptp4l0-21swapper/607:32:456
111391150,0ptp4l0-21swapper/607:24:156
111391150,0ptp4l0-21swapper/508:55:505
111391150,0ptp4l0-21swapper/508:48:425
111391150,0ptp4l0-21swapper/508:31:335
111391150,0ptp4l0-21swapper/508:15:575
111391150,0ptp4l0-21swapper/507:56:565
111391150,0ptp4l0-21swapper/507:51:015
111391150,0ptp4l0-21swapper/507:37:145
111391150,0ptp4l0-21swapper/507:16:215
111391150,0ptp4l0-21swapper/507:11:375
111391150,0ptp4l0-21swapper/408:11:154
111391150,0ptp4l0-21swapper/308:37:533
111391150,0ptp4l0-21swapper/308:03:383
111391150,0ptp4l0-21swapper/307:33:263
111391150,0ptp4l0-21swapper/307:29:213
111391150,0ptp4l0-21swapper/212:16:592
111391150,0ptp4l0-21swapper/208:58:202
111391150,0ptp4l0-21swapper/208:51:482
111391150,0ptp4l0-21swapper/208:38:582
111391150,0ptp4l0-21swapper/208:28:152
111391150,0ptp4l0-21swapper/208:23:282
111391150,0ptp4l0-21swapper/208:16:262
111391150,0ptp4l0-21swapper/109:02:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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