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2025-11-20 - 23:22

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 Thu Nov 20, 2025 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114091640,2ptp4l0-21swapper/107:05:141
195362630,0sleep50-21swapper/511:16:015
219532610,0sleep40-21swapper/412:04:154
114091610,5ptp4l0-21swapper/207:05:402
2826325949,6sleep70-21swapper/707:07:327
300332580,0sleep40-21swapper/408:20:184
2120915635,6phc2sys0-21swapper/007:08:230
2814125444,6sleep30-21swapper/307:05:523
114091540,5ptp4l0-21swapper/507:05:125
114091540,4ptp4l0-21swapper/607:06:456
2815125232,6sleep40-21swapper/407:06:014
250762480,0sleep10-21swapper/109:58:431
114091370,0ptp4l0-21swapper/209:35:062
114091340,3ptp4l0-21swapper/610:30:476
114091340,3ptp4l0-21swapper/610:30:476
114091320,0ptp4l0-21swapper/610:51:526
114091320,0ptp4l0-21swapper/607:30:156
114091320,0ptp4l0-21swapper/210:00:112
114091320,0ptp4l0-21swapper/209:30:172
114091310,0ptp4l0-21swapper/212:32:552
114091310,0ptp4l0-21swapper/212:21:362
114091310,0ptp4l0-21swapper/211:48:462
114091300,0ptp4l0-21swapper/508:35:225
114091300,0ptp4l0-21swapper/211:01:252
114091300,0ptp4l0-21swapper/210:12:582
114091300,0ptp4l0-21swapper/209:42:142
114091290,2ptp4l0-21swapper/312:07:183
114091290,2ptp4l0-21swapper/208:05:202
114091290,0ptp4l0-21swapper/611:44:266
114091290,0ptp4l0-21swapper/611:07:426
114091290,0ptp4l0-21swapper/609:50:356
114091290,0ptp4l0-21swapper/609:21:526
114091290,0ptp4l0-21swapper/510:17:115
114091290,0ptp4l0-21swapper/211:20:502
114091290,0ptp4l0-21swapper/210:05:132
114091290,0ptp4l0-21swapper/209:21:532
114091280,0ptp4l0-21swapper/612:03:096
114091280,0ptp4l0-21swapper/611:59:546
114091280,0ptp4l0-21swapper/611:47:586
114091280,0ptp4l0-21swapper/611:25:056
114091280,0ptp4l0-21swapper/610:28:246
114091280,0ptp4l0-21swapper/610:28:246
114091280,0ptp4l0-21swapper/609:44:206
114091280,0ptp4l0-21swapper/609:18:246
114091280,0ptp4l0-21swapper/411:44:174
114091280,0ptp4l0-21swapper/409:39:234
114091280,0ptp4l0-21swapper/309:17:303
114091280,0ptp4l0-21swapper/212:39:592
114091280,0ptp4l0-21swapper/211:37:312
114091280,0ptp4l0-21swapper/210:57:542
114091280,0ptp4l0-21swapper/210:48:102
114091280,0ptp4l0-21swapper/210:35:132
114091280,0ptp4l0-21swapper/210:24:552
114091280,0ptp4l0-21swapper/209:19:192
114091280,0ptp4l0-21swapper/111:39:081
114091280,0ptp4l0-21swapper/110:17:261
114091270,0ptp4l0-21swapper/612:34:026
114091270,0ptp4l0-21swapper/611:36:516
114091270,0ptp4l0-21swapper/611:34:266
114091270,0ptp4l0-21swapper/611:03:246
114091270,0ptp4l0-21swapper/610:39:316
114091270,0ptp4l0-21swapper/610:24:346
114091270,0ptp4l0-21swapper/610:10:436
114091270,0ptp4l0-21swapper/610:09:076
114091270,0ptp4l0-21swapper/609:25:206
114091270,0ptp4l0-21swapper/607:59:466
114091270,0ptp4l0-21swapper/212:00:122
114091270,0ptp4l0-21swapper/211:56:072
114091270,0ptp4l0-21swapper/211:31:472
114091270,0ptp4l0-21swapper/210:44:382
114091260,0ptp4l0-21swapper/711:48:047
114091260,0ptp4l0-21swapper/610:59:126
114091260,0ptp4l0-21swapper/609:10:196
114091260,0ptp4l0-21swapper/608:20:136
114091260,0ptp4l0-21swapper/607:35:126
114091260,0ptp4l0-21swapper/511:39:195
114091260,0ptp4l0-21swapper/311:48:093
114091260,0ptp4l0-21swapper/212:10:512
114091260,0ptp4l0-21swapper/211:50:452
114091260,0ptp4l0-21swapper/211:10:462
114091260,0ptp4l0-21swapper/109:45:021
114091260,0ptp4l0-21swapper/108:35:231
114091260,0ptp4l0-21swapper/012:05:110
114091260,0ptp4l0-21swapper/011:56:150
114091250,1ptp4l30048-21swap07:10:192
114091250,1ptp4l19597-21diskmemload11:43:062
114091250,0ptp4l0-21swapper/612:36:366
114091250,0ptp4l0-21swapper/612:05:436
114091250,0ptp4l0-21swapper/611:51:496
114091250,0ptp4l0-21swapper/611:22:326
114091250,0ptp4l0-21swapper/611:11:526
114091250,0ptp4l0-21swapper/610:47:406
114091250,0ptp4l0-21swapper/610:40:206
114091250,0ptp4l0-21swapper/609:30:416
114091250,0ptp4l0-21swapper/608:45:136
114091250,0ptp4l0-21swapper/210:35:012
114091250,0ptp4l0-21swapper/210:35:002
114091250,0ptp4l0-21swapper/209:10:162
114091250,0ptp4l0-21swapper/208:15:172
114091240,3ptp4l0-21swapper/010:18:130
114091240,1ptp4l5850-21memory10:15:162
114091240,1ptp4l26268-21fw_forwarded_lo10:00:136
114091240,1ptp4l22975-21sh12:05:112
114091240,1ptp4l19195-21users09:05:180
114091240,1ptp4l11047-21df_inode08:50:136
114091240,0ptp4l0-21swapper/612:15:046
114091240,0ptp4l0-21swapper/610:15:536
114091240,0ptp4l0-21swapper/609:55:096
114091240,0ptp4l0-21swapper/608:15:106
114091240,0ptp4l0-21swapper/607:12:296
114091240,0ptp4l0-21swapper/510:45:195
114091240,0ptp4l0-21swapper/508:13:385
114091240,0ptp4l0-21swapper/211:29:442
114091240,0ptp4l0-21swapper/211:18:042
114091240,0ptp4l0-21swapper/211:08:402
114091240,0ptp4l0-21swapper/210:50:142
114091240,0ptp4l0-21swapper/209:50:212
114091240,0ptp4l0-21swapper/208:50:182
114091240,0ptp4l0-21swapper/207:29:552
114091240,0ptp4l0-21swapper/207:20:192
114091240,0ptp4l0-21swapper/009:34:590
114091230,1ptp4l9220-21expr12:30:197
114091230,1ptp4l20830-21wc08:00:152
114091230,0ptp4l7655-21cat07:30:205
114091230,0ptp4l7088-21strings08:40:142
114091230,0ptp4l6375-21/usr/sbin/munin07:30:142
114091230,0ptp4l0-21swapper/612:20:196
114091230,0ptp4l0-21swapper/612:10:166
114091230,0ptp4l0-21swapper/611:15:186
114091230,0ptp4l0-21swapper/609:49:166
114091230,0ptp4l0-21swapper/609:37:276
114091230,0ptp4l0-21swapper/609:05:126
114091230,0ptp4l0-21swapper/608:40:106
114091230,0ptp4l0-21swapper/608:25:136
114091230,0ptp4l0-21swapper/608:10:146
114091230,0ptp4l0-21swapper/608:05:116
114091230,0ptp4l0-21swapper/608:00:156
114091230,0ptp4l0-21swapper/607:50:166
114091230,0ptp4l0-21swapper/607:50:166
114091230,0ptp4l0-21swapper/607:45:136
114091230,0ptp4l0-21swapper/607:40:106
114091230,0ptp4l0-21swapper/607:20:376
114091230,0ptp4l0-21swapper/607:15:016
114091230,0ptp4l0-21swapper/511:59:035
114091230,0ptp4l0-21swapper/511:30:255
114091230,0ptp4l0-21swapper/509:45:185
114091230,0ptp4l0-21swapper/507:54:135
114091230,0ptp4l0-21swapper/507:54:125
114091230,0ptp4l0-21swapper/507:45:175
114091230,0ptp4l0-21swapper/507:40:165
114091230,0ptp4l0-21swapper/412:05:124
114091230,0ptp4l0-21swapper/312:30:163
114091230,0ptp4l0-21swapper/212:25:092
114091230,0ptp4l0-21swapper/212:15:202
114091230,0ptp4l0-21swapper/210:27:452
114091230,0ptp4l0-21swapper/210:27:452
114091230,0ptp4l0-21swapper/209:25:102
114091230,0ptp4l0-21swapper/209:05:142
114091230,0ptp4l0-21swapper/209:00:002
114091230,0ptp4l0-21swapper/208:55:162
114091230,0ptp4l0-21swapper/208:45:102
114091230,0ptp4l0-21swapper/208:25:142
114091230,0ptp4l0-21swapper/208:20:202
114091230,0ptp4l0-21swapper/208:10:202
114091230,0ptp4l0-21swapper/207:55:102
114091230,0ptp4l0-21swapper/207:53:382
114091230,0ptp4l0-21swapper/207:53:372
114091230,0ptp4l0-21swapper/207:40:142
114091230,0ptp4l0-21swapper/207:35:112
114091230,0ptp4l0-21swapper/207:15:012
114091230,0ptp4l0-21swapper/011:02:340
114091230,0ptp4l0-21swapper/007:30:150
114091220,4ptp4l0-21swapper/511:46:115
114091220,1ptp4l16622-21ssh09:46:472
114091220,0ptp4l18228-21ssh11:59:011
114091220,0ptp4l0-21swapper/712:37:137
114091220,0ptp4l0-21swapper/709:16:277
114091220,0ptp4l0-21swapper/708:47:527
114091220,0ptp4l0-21swapper/612:25:126
114091220,0ptp4l0-21swapper/609:00:136
114091220,0ptp4l0-21swapper/608:55:186
114091220,0ptp4l0-21swapper/607:25:176
114091220,0ptp4l0-21swapper/512:12:545
114091220,0ptp4l0-21swapper/510:29:005
114091220,0ptp4l0-21swapper/510:29:005
114091220,0ptp4l0-21swapper/510:24:075
114091220,0ptp4l0-21swapper/507:25:135
114091220,0ptp4l0-21swapper/507:16:575
114091220,0ptp4l0-21swapper/411:02:164
114091220,0ptp4l0-21swapper/410:40:394
114091220,0ptp4l0-21swapper/410:26:024
114091220,0ptp4l0-21swapper/410:26:024
114091220,0ptp4l0-21swapper/409:45:564
114091220,0ptp4l0-21swapper/409:17:544
114091220,0ptp4l0-21swapper/407:45:214
114091220,0ptp4l0-21swapper/312:36:563
114091220,0ptp4l0-21swapper/310:54:563
114091220,0ptp4l0-21swapper/209:55:152
114091220,0ptp4l0-21swapper/208:30:142
114091220,0ptp4l0-21swapper/207:45:152
114091220,0ptp4l0-21swapper/110:29:031
114091220,0ptp4l0-21swapper/110:29:021
114091220,0ptp4l0-21swapper/110:24:021
114091220,0ptp4l0-21swapper/109:44:251
114091220,0ptp4l0-21swapper/109:33:391
114091220,0ptp4l0-21swapper/107:45:191
114091220,0ptp4l0-21swapper/107:40:171
114091220,0ptp4l0-21swapper/107:30:171
114091220,0ptp4l0-21swapper/012:29:150
114091220,0ptp4l0-21swapper/011:26:340
114091220,0ptp4l0-21swapper/011:21:230
114091220,0ptp4l0-21swapper/011:07:590
114091220,0ptp4l0-21swapper/010:50:150
114091220,0ptp4l0-21swapper/010:46:270
114091220,0ptp4l0-21swapper/010:27:140
114091220,0ptp4l0-21swapper/010:27:130
114091220,0ptp4l0-21swapper/010:09:040
114091220,0ptp4l0-21swapper/009:45:320
114091220,0ptp4l0-21swapper/009:19:300
114091220,0ptp4l0-21swapper/008:50:390
114091220,0ptp4l0-21swapper/008:15:190
114091210,0ptp4l0-21swapper/712:06:307
114091210,0ptp4l0-21swapper/608:30:116
114091210,0ptp4l0-21swapper/512:24:185
114091210,0ptp4l0-21swapper/511:04:455
114091210,0ptp4l0-21swapper/510:05:075
114091210,0ptp4l0-21swapper/509:44:575
114091210,0ptp4l0-21swapper/509:33:405
114091210,0ptp4l0-21swapper/412:13:014
114091210,0ptp4l0-21swapper/411:46:164
114091210,0ptp4l0-21swapper/410:52:124
114091210,0ptp4l0-21swapper/410:05:374
114091210,0ptp4l0-21swapper/409:53:024
114091210,0ptp4l0-21swapper/409:33:074
114091210,0ptp4l0-21swapper/112:28:521
114091210,0ptp4l0-21swapper/112:24:091
114091210,0ptp4l0-21swapper/111:45:591
114091210,0ptp4l0-21swapper/111:30:351
114091210,0ptp4l0-21swapper/012:15:010
114091210,0ptp4l0-21swapper/011:54:450
114091210,0ptp4l0-21swapper/011:33:330
114091210,0ptp4l0-21swapper/010:36:500
114091210,0ptp4l0-21swapper/010:21:310
114091210,0ptp4l0-21swapper/010:02:220
114091210,0ptp4l0-21swapper/009:57:070
114091210,0ptp4l0-21swapper/009:29:060
114091210,0ptp4l0-21swapper/009:22:410
114091210,0ptp4l0-21swapper/008:55:270
114091210,0ptp4l0-21swapper/008:14:510
114091210,0ptp4l0-21swapper/008:01:380
114091210,0ptp4l0-21swapper/007:59:380
114091200,0ptp4l0-21swapper/512:28:575
114091200,0ptp4l0-21swapper/508:34:565
114091200,0ptp4l0-21swapper/411:11:314
114091200,0ptp4l0-21swapper/411:06:134
114091200,0ptp4l0-21swapper/410:33:424
114091200,0ptp4l0-21swapper/410:33:424
114091200,0ptp4l0-21swapper/409:42:504
114091200,0ptp4l0-21swapper/308:46:393
114091200,0ptp4l0-21swapper/208:39:502
114091200,0ptp4l0-21swapper/112:11:141
114091200,0ptp4l0-21swapper/012:23:030
114091200,0ptp4l0-21swapper/012:04:030
114091200,0ptp4l0-21swapper/011:46:150
114091200,0ptp4l0-21swapper/011:44:160
114091200,0ptp4l0-21swapper/011:16:130
114091200,0ptp4l0-21swapper/010:33:410
114091200,0ptp4l0-21swapper/010:33:410
114091200,0ptp4l0-21swapper/009:44:290
114091200,0ptp4l0-21swapper/009:36:150
114091200,0ptp4l0-21swapper/009:10:110
114091200,0ptp4l0-21swapper/007:24:540
114091190,2ptp4l0-21swapper/407:55:294
114091190,0ptp4l0-21swapper/710:54:527
114091190,0ptp4l0-21swapper/709:39:337
114091190,0ptp4l0-21swapper/411:55:574
114091190,0ptp4l0-21swapper/411:27:204
114091190,0ptp4l0-21swapper/410:21:314
114091190,0ptp4l0-21swapper/409:56:164
114091190,0ptp4l0-21swapper/309:41:213
114091190,0ptp4l0-21swapper/111:28:151
114091190,0ptp4l0-21swapper/111:04:371
114091190,0ptp4l0-21swapper/110:45:171
114091190,0ptp4l0-21swapper/012:37:360
114091190,0ptp4l0-21swapper/012:31:070
114091190,0ptp4l0-21swapper/011:37:010
114091190,0ptp4l0-21swapper/011:11:300
114091190,0ptp4l0-21swapper/010:42:560
114091190,0ptp4l0-21swapper/010:10:580
114091180,0ptp4l0-21swapper/608:39:566
114091180,0ptp4l0-21swapper/412:38:434
114091180,0ptp4l0-21swapper/410:55:024
114091180,0ptp4l0-21swapper/410:03:354
114091180,0ptp4l0-21swapper/408:15:194
114091170,0ptp4l0-21swapper/410:46:274
114091170,0ptp4l0-21swapper/410:15:344
114091170,0ptp4l0-21swapper/409:24:274
114091170,0ptp4l0-21swapper/110:59:501
114091170,0ptp4l0-21swapper/012:13:010
114091170,0ptp4l0-21swapper/010:55:030
114091170,0ptp4l0-21swapper/009:50:280
114091170,0ptp4l0-21swapper/008:26:200
28774991615,0cyclictest73-21ksoftirqd/707:36:327
114091160,0ptp4l0-21swapper/511:28:175
114091160,0ptp4l0-21swapper/412:29:354
114091160,0ptp4l0-21swapper/411:36:134
114091160,0ptp4l0-21swapper/410:11:004
114091160,0ptp4l0-21swapper/409:02:434
114091160,0ptp4l0-21swapper/408:05:534
114091160,0ptp4l0-21swapper/107:54:511
114091160,0ptp4l0-21swapper/107:54:501
114091160,0ptp4l0-21swapper/107:16:381
114091160,0ptp4l0-21swapper/008:49:490
114091160,0ptp4l0-21swapper/008:34:200
114091160,0ptp4l0-21swapper/008:22:310
114091160,0ptp4l0-21swapper/007:45:190
114091160,0ptp4l0-21swapper/007:17:000
243972150,1sleep124400-21latency10:40:171
114091150,0ptp4l0-21swapper/510:59:495
114091150,0ptp4l0-21swapper/510:03:115
114091150,0ptp4l0-21swapper/507:20:525
114091150,0ptp4l0-21swapper/412:31:084
114091150,0ptp4l0-21swapper/412:22:034
114091150,0ptp4l0-21swapper/412:19:004
114091150,0ptp4l0-21swapper/411:54:454
114091150,0ptp4l0-21swapper/411:32:534
114091150,0ptp4l0-21swapper/411:20:274
114091150,0ptp4l0-21swapper/409:25:144
114091150,0ptp4l0-21swapper/409:05:084
114091150,0ptp4l0-21swapper/408:55:284
114091150,0ptp4l0-21swapper/408:50:394
114091150,0ptp4l0-21swapper/408:45:304
114091150,0ptp4l0-21swapper/408:40:444
114091150,0ptp4l0-21swapper/408:39:194
114091150,0ptp4l0-21swapper/408:31:124
114091150,0ptp4l0-21swapper/408:14:454
114091150,0ptp4l0-21swapper/408:00:264
114091150,0ptp4l0-21swapper/407:53:574
114091150,0ptp4l0-21swapper/407:53:564
114091150,0ptp4l0-21swapper/407:40:404
114091150,0ptp4l0-21swapper/407:35:294
114091150,0ptp4l0-21swapper/407:31:444
114091150,0ptp4l0-21swapper/407:25:114
114091150,0ptp4l0-21swapper/407:23:054
114091150,0ptp4l0-21swapper/407:11:454
114091150,0ptp4l0-21swapper/309:39:323
114091150,0ptp4l0-21swapper/108:34:371
114091150,0ptp4l0-21swapper/108:13:131
114091150,0ptp4l0-21swapper/107:55:301
114091150,0ptp4l0-21swapper/107:20:531
114091150,0ptp4l0-21swapper/009:02:420
114091150,0ptp4l0-21swapper/008:40:400
114091150,0ptp4l0-21swapper/008:36:350
114091150,0ptp4l0-21swapper/008:05:030
114091150,0ptp4l0-21swapper/007:52:290
114091150,0ptp4l0-21swapper/007:52:280
114091150,0ptp4l0-21swapper/007:40:390
114091150,0ptp4l0-21swapper/007:35:270
114091150,0ptp4l0-21swapper/007:25:110
114091150,0ptp4l0-21swapper/007:11:430
51892140,0sleep70-21swapper/707:25:197
2876199140,10cyclictest0-21swapper/512:19:435
114091140,0ptp4l0-21swapper/709:41:197
114091140,0ptp4l0-21swapper/507:55:305
114091140,0ptp4l0-21swapper/411:16:124
114091140,0ptp4l0-21swapper/408:26:194
114091140,0ptp4l0-21swapper/407:15:084
2876199130,4cyclictest0-21swapper/508:50:135
2876199128,3cyclictest0-21swapper/508:44:315
28774991110,0cyclictest0-21swapper/711:05:167
2877499110,10cyclictest0-21swapper/710:14:507
2876199110,10cyclictest0-21swapper/510:52:455
2874899110,10cyclictest0-21swapper/312:28:593
2874899110,10cyclictest0-21swapper/310:23:343
2877499109,0cyclictest0-21swapper/711:55:537
2877499109,0cyclictest0-21swapper/711:51:207
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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