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2025-12-04 - 00:17

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 Wed Dec 03, 2025 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114091670,29ptp4l0-21swapper/107:07:261
1412326544,6sleep70-21swapper/707:07:307
1427626151,6sleep60-21swapper/607:09:216
138542610,0sleep10-21swapper/110:02:011
138542610,0sleep10-21swapper/110:02:001
114091600,29ptp4l0-21swapper/007:06:210
2120915938,6phc2sys0-21swapper/207:07:592
114091560,5ptp4l0-21swapper/507:07:375
114091560,5ptp4l0-21swapper/407:07:024
1409025139,7sleep30-21swapper/307:07:023
30612470,1sleep33062-21sh09:48:573
114091340,0ptp4l0-21swapper/108:15:151
114091330,1ptp4l32065-21memory08:55:164
114091330,0ptp4l0-21swapper/709:40:177
114091310,0ptp4l0-21swapper/512:20:145
114091310,0ptp4l0-21swapper/412:17:224
114091310,0ptp4l0-21swapper/109:30:211
114091310,0ptp4l0-21swapper/010:54:110
114091300,3ptp4l0-21swapper/012:30:150
114091300,0ptp4l0-21swapper/111:22:111
114091300,0ptp4l0-21swapper/009:10:170
114091290,0ptp4l0-21swapper/410:34:124
114091290,0ptp4l0-21swapper/410:17:354
114091290,0ptp4l0-21swapper/110:07:341
114091290,0ptp4l0-21swapper/110:07:331
114091290,0ptp4l0-21swapper/109:45:191
114091280,0ptp4l0-21swapper/512:08:335
114091280,0ptp4l0-21swapper/511:25:015
114091280,0ptp4l0-21swapper/509:35:205
114091280,0ptp4l0-21swapper/508:35:195
114091280,0ptp4l0-21swapper/412:37:404
114091280,0ptp4l0-21swapper/410:59:284
114091280,0ptp4l0-21swapper/410:39:154
114091280,0ptp4l0-21swapper/409:52:224
114091280,0ptp4l0-21swapper/111:48:401
114091280,0ptp4l0-21swapper/011:56:280
114091280,0ptp4l0-21swapper/011:15:220
114091270,1ptp4l1459199cyclictest09:41:210
114091270,0ptp4l0-21swapper/412:20:194
114091270,0ptp4l0-21swapper/412:12:234
114091270,0ptp4l0-21swapper/411:01:314
114091270,0ptp4l0-21swapper/409:58:484
114091270,0ptp4l0-21swapper/409:19:424
114091270,0ptp4l0-21swapper/409:12:384
114091270,0ptp4l0-21swapper/209:12:532
114091270,0ptp4l0-21swapper/111:42:541
114091270,0ptp4l0-21swapper/111:12:391
114091270,0ptp4l0-21swapper/010:40:070
114091260,0ptp4l0-21swapper/509:20:275
114091260,0ptp4l0-21swapper/412:25:434
114091260,0ptp4l0-21swapper/411:51:164
114091260,0ptp4l0-21swapper/411:47:554
114091260,0ptp4l0-21swapper/409:30:264
114091260,0ptp4l0-21swapper/409:21:374
114091260,0ptp4l0-21swapper/312:05:273
114091260,0ptp4l0-21swapper/111:51:061
114091260,0ptp4l0-21swapper/111:09:181
114091260,0ptp4l0-21swapper/110:41:411
114091260,0ptp4l0-21swapper/109:50:161
114091260,0ptp4l0-21swapper/109:22:201
114091260,0ptp4l0-21swapper/010:06:270
114091260,0ptp4l0-21swapper/010:06:260
114091250,3ptp4l241ktimersoftd/112:24:321
114091250,1ptp4l0-21swapper/112:11:231
114091250,0ptp4l121rcu_preempt12:05:092
114091250,0ptp4l0-21swapper/709:24:427
114091250,0ptp4l0-21swapper/511:09:015
114091250,0ptp4l0-21swapper/510:14:145
114091250,0ptp4l0-21swapper/412:01:464
114091250,0ptp4l0-21swapper/411:57:244
114091250,0ptp4l0-21swapper/410:29:044
114091250,0ptp4l0-21swapper/310:47:423
114091250,0ptp4l0-21swapper/110:29:581
114091250,0ptp4l0-21swapper/110:13:331
114091250,0ptp4l0-21swapper/109:14:081
114091250,0ptp4l0-21swapper/012:02:290
114091250,0ptp4l0-21swapper/011:05:120
114091250,0ptp4l0-21swapper/009:55:370
114091250,0ptp4l0-21swapper/009:35:180
114091250,0ptp4l0-21swapper/009:30:130
114091250,0ptp4l0-21swapper/007:35:580
114091240,1ptp4l5467-21diskmemload12:06:224
114091240,1ptp4l32135-21munin-run09:45:004
114091240,1ptp4l26970-21diskstats08:45:134
114091240,1ptp4l24330-21/usr/sbin/munin12:25:190
114091240,1ptp4l20979-21grep08:30:203
114091240,1ptp4l16249-21diskstats12:15:131
114091240,0ptp4l0-21swapper/710:47:307
114091240,0ptp4l0-21swapper/510:55:415
114091240,0ptp4l0-21swapper/510:30:035
114091240,0ptp4l0-21swapper/509:12:355
114091240,0ptp4l0-21swapper/508:05:205
114091240,0ptp4l0-21swapper/507:40:205
114091240,0ptp4l0-21swapper/411:30:134
114091240,0ptp4l0-21swapper/411:18:034
114091240,0ptp4l0-21swapper/410:49:224
114091240,0ptp4l0-21swapper/410:20:154
114091240,0ptp4l0-21swapper/410:13:264
114091240,0ptp4l0-21swapper/410:05:204
114091240,0ptp4l0-21swapper/410:05:194
114091240,0ptp4l0-21swapper/410:00:164
114091240,0ptp4l0-21swapper/410:00:154
114091240,0ptp4l0-21swapper/409:49:534
114091240,0ptp4l0-21swapper/408:00:144
114091240,0ptp4l0-21swapper/407:40:154
114091240,0ptp4l0-21swapper/407:20:214
114091240,0ptp4l0-21swapper/212:23:212
114091240,0ptp4l0-21swapper/112:35:441
114091240,0ptp4l0-21swapper/112:34:281
114091240,0ptp4l0-21swapper/110:46:421
114091240,0ptp4l0-21swapper/108:00:161
114091240,0ptp4l0-21swapper/107:45:141
114091240,0ptp4l0-21swapper/107:35:011
114091240,0ptp4l0-21swapper/011:45:180
114091240,0ptp4l0-21swapper/011:00:110
114091240,0ptp4l0-21swapper/010:58:590
114091240,0ptp4l0-21swapper/010:26:010
114091240,0ptp4l0-21swapper/009:20:000
114091240,0ptp4l0-21swapper/008:50:170
114091240,0ptp4l0-21swapper/007:55:150
114091240,0ptp4l0-21swapper/007:30:140
114091230,3ptp4l101ktimersoftd/010:49:440
114091230,1ptp4l5467-21diskmemload12:17:110
114091230,1ptp4l19172-21netstat11:35:160
114091230,1ptp4l17240-21latency_hist08:24:594
114091230,0ptp4l31759-21conntrack07:45:140
114091230,0ptp4l0-21swapper/709:37:237
114091230,0ptp4l0-21swapper/512:35:165
114091230,0ptp4l0-21swapper/512:30:165
114091230,0ptp4l0-21swapper/512:14:205
114091230,0ptp4l0-21swapper/511:40:155
114091230,0ptp4l0-21swapper/510:45:125
114091230,0ptp4l0-21swapper/510:38:095
114091230,0ptp4l0-21swapper/510:25:195
114091230,0ptp4l0-21swapper/510:19:215
114091230,0ptp4l0-21swapper/509:45:195
114091230,0ptp4l0-21swapper/509:32:215
114091230,0ptp4l0-21swapper/509:27:455
114091230,0ptp4l0-21swapper/508:50:125
114091230,0ptp4l0-21swapper/508:30:135
114091230,0ptp4l0-21swapper/508:25:185
114091230,0ptp4l0-21swapper/508:20:195
114091230,0ptp4l0-21swapper/507:20:175
114091230,0ptp4l0-21swapper/411:40:134
114091230,0ptp4l0-21swapper/411:20:164
114091230,0ptp4l0-21swapper/411:10:124
114091230,0ptp4l0-21swapper/410:50:154
114091230,0ptp4l0-21swapper/410:40:204
114091230,0ptp4l0-21swapper/409:38:204
114091230,0ptp4l0-21swapper/409:25:174
114091230,0ptp4l0-21swapper/408:50:174
114091230,0ptp4l0-21swapper/408:40:184
114091230,0ptp4l0-21swapper/408:35:124
114091230,0ptp4l0-21swapper/407:55:004
114091230,0ptp4l0-21swapper/407:30:154
114091230,0ptp4l0-21swapper/309:40:153
114091230,0ptp4l0-21swapper/309:25:003
114091230,0ptp4l0-21swapper/212:13:152
114091230,0ptp4l0-21swapper/112:25:201
114091230,0ptp4l0-21swapper/112:00:191
114091230,0ptp4l0-21swapper/111:55:171
114091230,0ptp4l0-21swapper/111:36:211
114091230,0ptp4l0-21swapper/111:33:111
114091230,0ptp4l0-21swapper/111:25:121
114091230,0ptp4l0-21swapper/111:00:001
114091230,0ptp4l0-21swapper/110:50:151
114091230,0ptp4l0-21swapper/110:35:221
114091230,0ptp4l0-21swapper/110:30:131
114091230,0ptp4l0-21swapper/110:23:001
114091230,0ptp4l0-21swapper/109:55:161
114091230,0ptp4l0-21swapper/109:39:421
114091230,0ptp4l0-21swapper/109:16:411
114091230,0ptp4l0-21swapper/109:10:011
114091230,0ptp4l0-21swapper/109:00:121
114091230,0ptp4l0-21swapper/108:41:241
114091230,0ptp4l0-21swapper/108:35:201
114091230,0ptp4l0-21swapper/108:20:221
114091230,0ptp4l0-21swapper/108:05:201
114091230,0ptp4l0-21swapper/107:25:201
114091230,0ptp4l0-21swapper/107:25:201
114091230,0ptp4l0-21swapper/107:20:201
114091230,0ptp4l0-21swapper/012:36:240
114091230,0ptp4l0-21swapper/011:50:140
114091230,0ptp4l0-21swapper/011:25:120
114091230,0ptp4l0-21swapper/011:10:120
114091230,0ptp4l0-21swapper/010:35:180
114091230,0ptp4l0-21swapper/010:30:210
114091230,0ptp4l0-21swapper/010:20:140
114091230,0ptp4l0-21swapper/010:19:510
114091230,0ptp4l0-21swapper/009:50:110
114091230,0ptp4l0-21swapper/009:25:160
114091230,0ptp4l0-21swapper/009:20:160
114091230,0ptp4l0-21swapper/009:00:160
114091230,0ptp4l0-21swapper/008:55:140
114091230,0ptp4l0-21swapper/008:45:150
114091230,0ptp4l0-21swapper/008:40:150
114091230,0ptp4l0-21swapper/008:25:190
114091230,0ptp4l0-21swapper/008:10:170
114091230,0ptp4l0-21swapper/008:05:160
114091230,0ptp4l0-21swapper/007:50:180
114091230,0ptp4l0-21swapper/007:25:160
114091230,0ptp4l0-21swapper/007:25:150
114091230,0ptp4l0-21swapper/007:20:210
114091230,0ptp4l0-21swapper/007:10:160
114091220,3ptp4l0-21swapper/511:50:565
114091220,0ptp4l0-21swapper/712:39:037
114091220,0ptp4l0-21swapper/712:28:107
114091220,0ptp4l0-21swapper/712:05:257
114091220,0ptp4l0-21swapper/608:15:196
114091220,0ptp4l0-21swapper/512:25:495
114091220,0ptp4l0-21swapper/511:59:135
114091220,0ptp4l0-21swapper/511:47:445
114091220,0ptp4l0-21swapper/511:35:185
114091220,0ptp4l0-21swapper/511:15:325
114091220,0ptp4l0-21swapper/511:11:275
114091220,0ptp4l0-21swapper/510:50:475
114091220,0ptp4l0-21swapper/510:40:175
114091220,0ptp4l0-21swapper/509:56:445
114091220,0ptp4l0-21swapper/509:50:165
114091220,0ptp4l0-21swapper/509:42:515
114091220,0ptp4l0-21swapper/509:15:195
114091220,0ptp4l0-21swapper/508:40:125
114091220,0ptp4l0-21swapper/508:10:125
114091220,0ptp4l0-21swapper/508:00:585
114091220,0ptp4l0-21swapper/412:31:524
114091220,0ptp4l0-21swapper/411:35:124
114091220,0ptp4l0-21swapper/411:25:144
114091220,0ptp4l0-21swapper/411:05:154
114091220,0ptp4l0-21swapper/409:05:134
114091220,0ptp4l0-21swapper/408:32:584
114091220,0ptp4l0-21swapper/408:25:124
114091220,0ptp4l0-21swapper/408:05:124
114091220,0ptp4l0-21swapper/407:55:154
114091220,0ptp4l0-21swapper/407:45:124
114091220,0ptp4l0-21swapper/407:35:174
114091220,0ptp4l0-21swapper/407:25:174
114091220,0ptp4l0-21swapper/407:25:174
114091220,0ptp4l0-21swapper/407:15:144
114091220,0ptp4l0-21swapper/407:10:194
114091220,0ptp4l0-21swapper/309:25:113
114091220,0ptp4l0-21swapper/212:25:252
114091220,0ptp4l0-21swapper/208:50:192
114091220,0ptp4l0-21swapper/208:10:122
114091220,0ptp4l0-21swapper/111:17:241
114091220,0ptp4l0-21swapper/110:15:191
114091220,0ptp4l0-21swapper/109:26:511
114091220,0ptp4l0-21swapper/108:55:141
114091220,0ptp4l0-21swapper/108:45:191
114091220,0ptp4l0-21swapper/108:25:151
114091220,0ptp4l0-21swapper/108:10:121
114091220,0ptp4l0-21swapper/107:55:181
114091220,0ptp4l0-21swapper/107:40:181
114091220,0ptp4l0-21swapper/107:35:221
114091220,0ptp4l0-21swapper/107:18:211
114091220,0ptp4l0-21swapper/012:10:540
114091220,0ptp4l0-21swapper/012:05:040
114091220,0ptp4l0-21swapper/011:40:130
114091220,0ptp4l0-21swapper/011:30:170
114091220,0ptp4l0-21swapper/010:10:210
114091220,0ptp4l0-21swapper/010:00:410
114091220,0ptp4l0-21swapper/010:00:400
114091220,0ptp4l0-21swapper/009:47:330
114091220,0ptp4l0-21swapper/009:05:150
114091220,0ptp4l0-21swapper/008:30:120
114091220,0ptp4l0-21swapper/008:20:160
114091220,0ptp4l0-21swapper/008:18:590
114091220,0ptp4l0-21swapper/008:00:200
114091220,0ptp4l0-21swapper/007:40:120
114091210,4ptp4l0-21swapper/707:39:497
114091210,0ptp4l0-21swapper/711:32:457
114091210,0ptp4l0-21swapper/708:30:207
114091210,0ptp4l0-21swapper/707:33:247
114091210,0ptp4l0-21swapper/609:18:166
114091210,0ptp4l0-21swapper/512:15:495
114091210,0ptp4l0-21swapper/512:02:215
114091210,0ptp4l0-21swapper/511:20:025
114091210,0ptp4l0-21swapper/511:00:195
114091210,0ptp4l0-21swapper/510:21:405
114091210,0ptp4l0-21swapper/510:05:155
114091210,0ptp4l0-21swapper/510:05:145
114091210,0ptp4l0-21swapper/510:00:235
114091210,0ptp4l0-21swapper/510:00:235
114091210,0ptp4l0-21swapper/509:01:385
114091210,0ptp4l0-21swapper/508:57:045
114091210,0ptp4l0-21swapper/507:35:145
114091210,0ptp4l0-21swapper/408:16:584
114091210,0ptp4l0-21swapper/312:39:293
114091210,0ptp4l0-21swapper/311:32:333
114091210,0ptp4l0-21swapper/309:37:063
114091210,0ptp4l0-21swapper/307:32:093
114091210,0ptp4l0-21swapper/210:02:532
114091210,0ptp4l0-21swapper/210:02:532
114091210,0ptp4l0-21swapper/112:06:161
114091210,0ptp4l0-21swapper/111:00:291
114091210,0ptp4l0-21swapper/109:40:371
114091210,0ptp4l0-21swapper/108:50:141
114091210,0ptp4l0-21swapper/107:10:141
114091210,0ptp4l0-21swapper/012:20:100
114091210,0ptp4l0-21swapper/011:20:000
114091210,0ptp4l0-21swapper/008:35:110
114091210,0ptp4l0-21swapper/007:15:160
114091200,0ptp4l0-21swapper/610:46:166
114091200,0ptp4l0-21swapper/610:36:116
114091200,0ptp4l0-21swapper/511:33:545
114091200,0ptp4l0-21swapper/408:10:154
114091200,0ptp4l0-21swapper/210:46:122
114091200,0ptp4l0-21swapper/209:31:402
114091200,0ptp4l0-21swapper/108:31:171
114091190,0ptp4l0-21swapper/709:25:017
114091190,0ptp4l0-21swapper/612:05:116
114091190,0ptp4l0-21swapper/508:15:155
114091190,0ptp4l0-21swapper/507:57:455
114091190,0ptp4l0-21swapper/507:15:585
114091190,0ptp4l0-21swapper/211:41:572
114091190,0ptp4l0-21swapper/208:15:182
114091190,0ptp4l0-21swapper/107:50:441
114091180,0ptp4l0-21swapper/609:56:016
114091180,0ptp4l0-21swapper/607:11:336
114091180,0ptp4l0-21swapper/507:11:365
114091180,0ptp4l0-21swapper/308:04:013
114091180,0ptp4l0-21swapper/211:26:232
114091180,0ptp4l0-21swapper/211:13:132
114091180,0ptp4l0-21swapper/211:09:102
114091180,0ptp4l0-21swapper/210:33:182
114091180,0ptp4l0-21swapper/209:52:522
114091170,0ptp4l0-21swapper/707:59:317
114091170,0ptp4l0-21swapper/612:23:216
114091170,0ptp4l0-21swapper/611:26:246
114091170,0ptp4l0-21swapper/507:48:305
114091170,0ptp4l0-21swapper/507:25:145
114091170,0ptp4l0-21swapper/507:25:135
114091170,0ptp4l0-21swapper/409:00:094
114091170,0ptp4l0-21swapper/312:28:083
114091170,0ptp4l0-21swapper/307:59:103
114091160,0ptp4l0-21swapper/611:55:306
114091160,0ptp4l0-21swapper/609:10:336
114091160,0ptp4l0-21swapper/509:05:245
114091160,0ptp4l0-21swapper/507:53:535
114091160,0ptp4l0-21swapper/210:41:362
114091160,0ptp4l0-21swapper/209:56:002
114091160,0ptp4l0-21swapper/209:43:062
114091150,0ptp4l0-21swapper/708:04:127
114091150,0ptp4l0-21swapper/610:26:486
114091150,0ptp4l0-21swapper/608:41:096
114091150,0ptp4l0-21swapper/607:40:346
114091150,0ptp4l0-21swapper/508:45:305
114091150,0ptp4l0-21swapper/507:30:025
114091150,0ptp4l0-21swapper/307:39:593
114091150,0ptp4l0-21swapper/211:23:292
114091150,0ptp4l0-21swapper/210:55:332
114091150,0ptp4l0-21swapper/210:24:052
114091150,0ptp4l0-21swapper/209:02:592
114091150,0ptp4l0-21swapper/208:49:582
114091150,0ptp4l0-21swapper/208:42:312
114091150,0ptp4l0-21swapper/207:45:242
114091150,0ptp4l0-21swapper/207:40:232
114091150,0ptp4l0-21swapper/207:25:022
114091150,0ptp4l0-21swapper/207:25:012
114091150,0ptp4l0-21swapper/207:20:112
114091150,0ptp4l0-21swapper/207:11:402
114091140,0ptp4l0-21swapper/609:31:396
114091140,0ptp4l0-21swapper/609:05:416
114091140,0ptp4l0-21swapper/608:35:386
114091140,0ptp4l0-21swapper/608:03:516
114091140,0ptp4l0-21swapper/607:58:366
114091140,0ptp4l0-21swapper/607:45:386
114091140,0ptp4l0-21swapper/211:56:432
114091140,0ptp4l0-21swapper/210:26:482
114091140,0ptp4l0-21swapper/210:14:522
114091140,0ptp4l0-21swapper/209:47:422
114091140,0ptp4l0-21swapper/209:05:392
114091140,0ptp4l0-21swapper/208:57:522
114091140,0ptp4l0-21swapper/208:35:372
114091140,0ptp4l0-21swapper/208:32:342
114091140,0ptp4l0-21swapper/208:22:512
114091140,0ptp4l0-21swapper/208:01:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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