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2026-06-22 - 19:27

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 Mon Jun 22, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391690,2ptp4l0-21swapper/107:05:171
111391620,14ptp4l0-21swapper/507:05:135
2844225948,7sleep20-21swapper/207:07:422
40422560,0sleep10-21swapper/110:15:151
2861525634,6sleep70-21swapper/707:09:557
2853525634,6sleep40-21swapper/407:08:564
2830325039,7sleep00-21swapper/007:05:550
2861424736,7sleep60-21swapper/607:09:546
2826824635,7sleep30-21swapper/307:05:263
111391320,1ptp4l9813-21ps07:35:170
111391320,0ptp4l0-21swapper/508:10:125
111391310,0ptp4l0-21swapper/510:41:525
111391310,0ptp4l0-21swapper/311:22:243
111391310,0ptp4l0-21swapper/012:25:120
111391310,0ptp4l0-21swapper/010:19:410
111391300,0ptp4l0-21swapper/509:54:415
111391300,0ptp4l0-21swapper/509:21:555
111391300,0ptp4l0-21swapper/010:00:110
111391290,0ptp4l0-21swapper/509:13:215
111391290,0ptp4l0-21swapper/412:34:054
111391290,0ptp4l0-21swapper/411:35:184
111391290,0ptp4l0-21swapper/410:40:274
111391290,0ptp4l0-21swapper/109:35:171
111391290,0ptp4l0-21swapper/109:24:251
111391290,0ptp4l0-21swapper/012:38:040
111391290,0ptp4l0-21swapper/011:06:020
111391290,0ptp4l0-21swapper/010:24:590
111391290,0ptp4l0-21swapper/009:26:290
111391290,0ptp4l0-21swapper/009:15:050
111391280,0ptp4l0-21swapper/511:35:545
111391280,0ptp4l0-21swapper/411:45:444
111391280,0ptp4l0-21swapper/112:30:131
111391280,0ptp4l0-21swapper/112:08:391
111391280,0ptp4l0-21swapper/110:39:351
111391280,0ptp4l0-21swapper/109:13:091
111391280,0ptp4l0-21swapper/011:58:070
111391280,0ptp4l0-21swapper/010:45:010
111391280,0ptp4l0-21swapper/010:12:000
111391270,1ptp4l2739-21ptp4l08:30:176
111391270,1ptp4l1639-21ssh10:56:002
111391270,0ptp4l0-21swapper/611:04:136
111391270,0ptp4l0-21swapper/011:43:390
111391270,0ptp4l0-21swapper/011:04:310
111391270,0ptp4l0-21swapper/009:48:500
111391270,0ptp4l0-21swapper/009:11:570
111391260,0ptp4l0-21swapper/511:10:205
111391260,0ptp4l0-21swapper/510:39:505
111391260,0ptp4l0-21swapper/412:05:134
111391260,0ptp4l0-21swapper/412:00:544
111391260,0ptp4l0-21swapper/411:01:504
111391260,0ptp4l0-21swapper/409:59:284
111391260,0ptp4l0-21swapper/409:41:254
111391260,0ptp4l0-21swapper/409:19:344
111391260,0ptp4l0-21swapper/012:13:110
111391260,0ptp4l0-21swapper/012:00:430
111391260,0ptp4l0-21swapper/011:50:420
111391260,0ptp4l0-21swapper/011:39:400
111391260,0ptp4l0-21swapper/011:17:090
111391260,0ptp4l0-21swapper/011:13:570
111391260,0ptp4l0-21swapper/010:55:200
111391260,0ptp4l0-21swapper/010:30:140
111391260,0ptp4l0-21swapper/010:07:360
111391260,0ptp4l0-21swapper/009:39:440
111391260,0ptp4l0-21swapper/009:21:390
111391260,0ptp4l0-21swapper/007:15:180
111391250,4ptp4l1799migration/012:23:440
111391250,1ptp4l4514-21df_inode12:30:125
111391250,1ptp4l13454-21date09:45:010
111391250,0ptp4l0-21swapper/711:54:257
111391250,0ptp4l0-21swapper/412:35:104
111391250,0ptp4l0-21swapper/412:25:114
111391250,0ptp4l0-21swapper/412:10:114
111391250,0ptp4l0-21swapper/410:47:274
111391250,0ptp4l0-21swapper/410:40:014
111391250,0ptp4l0-21swapper/410:25:144
111391250,0ptp4l0-21swapper/410:25:134
111391250,0ptp4l0-21swapper/409:55:014
111391250,0ptp4l0-21swapper/409:45:494
111391250,0ptp4l0-21swapper/407:15:174
111391250,0ptp4l0-21swapper/309:45:113
111391250,0ptp4l0-21swapper/111:10:161
111391250,0ptp4l0-21swapper/109:34:121
111391250,0ptp4l0-21swapper/011:45:110
111391250,0ptp4l0-21swapper/011:20:110
111391250,0ptp4l0-21swapper/010:38:420
111391250,0ptp4l0-21swapper/010:25:450
111391250,0ptp4l0-21swapper/010:25:450
111391250,0ptp4l0-21swapper/009:55:130
111391250,0ptp4l0-21swapper/008:50:120
111391240,1ptp4l6924-21cat09:35:155
111391240,1ptp4l29047-21timerandwakeup09:20:184
111391240,1ptp4l28661-21diskstats10:05:114
111391240,1ptp4l25954-21fw_forwarded_lo12:15:134
111391240,1ptp4l15293-21smart_sda10:30:194
111391240,1ptp4l13405-21df08:55:114
111391240,1ptp4l10275-21date10:25:004
111391240,0ptp4l0-21swapper/710:51:367
111391240,0ptp4l0-21swapper/512:09:075
111391240,0ptp4l0-21swapper/511:50:115
111391240,0ptp4l0-21swapper/510:53:425
111391240,0ptp4l0-21swapper/509:48:355
111391240,0ptp4l0-21swapper/508:45:215
111391240,0ptp4l0-21swapper/508:05:145
111391240,0ptp4l0-21swapper/411:11:124
111391240,0ptp4l0-21swapper/410:19:104
111391240,0ptp4l0-21swapper/410:00:124
111391240,0ptp4l0-21swapper/409:30:104
111391240,0ptp4l0-21swapper/408:40:154
111391240,0ptp4l0-21swapper/212:40:012
111391240,0ptp4l0-21swapper/110:26:391
111391240,0ptp4l0-21swapper/110:26:391
111391240,0ptp4l0-21swapper/110:14:231
111391240,0ptp4l0-21swapper/109:55:331
111391240,0ptp4l0-21swapper/108:30:121
111391240,0ptp4l0-21swapper/107:15:111
111391240,0ptp4l0-21swapper/011:34:460
111391240,0ptp4l0-21swapper/010:50:170
111391240,0ptp4l0-21swapper/009:31:330
111391230,1ptp4l9625-21ssh11:52:034
111391230,1ptp4l20651-21cat08:00:155
111391230,0ptp4l0-21swapper/711:55:187
111391230,0ptp4l0-21swapper/711:19:017
111391230,0ptp4l0-21swapper/709:45:187
111391230,0ptp4l0-21swapper/708:20:197
111391230,0ptp4l0-21swapper/611:58:116
111391230,0ptp4l0-21swapper/611:28:086
111391230,0ptp4l0-21swapper/512:18:035
111391230,0ptp4l0-21swapper/511:21:505
111391230,0ptp4l0-21swapper/510:06:295
111391230,0ptp4l0-21swapper/509:25:145
111391230,0ptp4l0-21swapper/507:45:205
111391230,0ptp4l0-21swapper/507:45:205
111391230,0ptp4l0-21swapper/507:40:115
111391230,0ptp4l0-21swapper/507:30:205
111391230,0ptp4l0-21swapper/507:10:155
111391230,0ptp4l0-21swapper/412:20:134
111391230,0ptp4l0-21swapper/411:57:174
111391230,0ptp4l0-21swapper/411:40:194
111391230,0ptp4l0-21swapper/411:30:174
111391230,0ptp4l0-21swapper/411:24:324
111391230,0ptp4l0-21swapper/411:17:444
111391230,0ptp4l0-21swapper/411:05:194
111391230,0ptp4l0-21swapper/410:55:114
111391230,0ptp4l0-21swapper/410:50:144
111391230,0ptp4l0-21swapper/410:10:184
111391230,0ptp4l0-21swapper/409:25:274
111391230,0ptp4l0-21swapper/409:10:144
111391230,0ptp4l0-21swapper/409:00:214
111391230,0ptp4l0-21swapper/408:15:144
111391230,0ptp4l0-21swapper/407:35:194
111391230,0ptp4l0-21swapper/407:30:164
111391230,0ptp4l0-21swapper/311:55:203
111391230,0ptp4l0-21swapper/311:53:103
111391230,0ptp4l0-21swapper/112:25:481
111391230,0ptp4l0-21swapper/109:40:191
111391230,0ptp4l0-21swapper/109:25:171
111391230,0ptp4l0-21swapper/108:45:191
111391230,0ptp4l0-21swapper/108:05:131
111391230,0ptp4l0-21swapper/108:00:121
111391230,0ptp4l0-21swapper/107:50:161
111391230,0ptp4l0-21swapper/107:10:121
111391230,0ptp4l0-21swapper/012:19:300
111391230,0ptp4l0-21swapper/011:29:080
111391230,0ptp4l0-21swapper/008:55:120
111391230,0ptp4l0-21swapper/008:35:140
111391230,0ptp4l0-21swapper/007:25:000
111391230,0ptp4l0-21swapper/007:20:170
111391220,0ptp4l0-21swapper/712:36:487
111391220,0ptp4l0-21swapper/712:26:287
111391220,0ptp4l0-21swapper/711:20:147
111391220,0ptp4l0-21swapper/709:16:387
111391220,0ptp4l0-21swapper/610:27:396
111391220,0ptp4l0-21swapper/610:27:386
111391220,0ptp4l0-21swapper/512:26:005
111391220,0ptp4l0-21swapper/512:10:405
111391220,0ptp4l0-21swapper/511:03:055
111391220,0ptp4l0-21swapper/510:47:175
111391220,0ptp4l0-21swapper/510:26:205
111391220,0ptp4l0-21swapper/510:26:195
111391220,0ptp4l0-21swapper/510:24:255
111391220,0ptp4l0-21swapper/510:15:185
111391220,0ptp4l0-21swapper/510:10:155
111391220,0ptp4l0-21swapper/509:44:335
111391220,0ptp4l0-21swapper/509:18:015
111391220,0ptp4l0-21swapper/509:05:135
111391220,0ptp4l0-21swapper/507:50:155
111391220,0ptp4l0-21swapper/411:25:154
111391220,0ptp4l0-21swapper/409:35:494
111391220,0ptp4l0-21swapper/408:45:144
111391220,0ptp4l0-21swapper/408:35:114
111391220,0ptp4l0-21swapper/408:25:154
111391220,0ptp4l0-21swapper/408:22:384
111391220,0ptp4l0-21swapper/408:00:154
111391220,0ptp4l0-21swapper/407:55:154
111391220,0ptp4l0-21swapper/407:45:224
111391220,0ptp4l0-21swapper/407:45:214
111391220,0ptp4l0-21swapper/407:20:124
111391220,0ptp4l0-21swapper/311:32:453
111391220,0ptp4l0-21swapper/311:19:123
111391220,0ptp4l0-21swapper/310:50:553
111391220,0ptp4l0-21swapper/309:32:413
111391220,0ptp4l0-21swapper/309:27:413
111391220,0ptp4l0-21swapper/309:16:593
111391220,0ptp4l0-21swapper/308:20:113
111391220,0ptp4l0-21swapper/208:30:182
111391220,0ptp4l0-21swapper/112:19:031
111391220,0ptp4l0-21swapper/111:50:331
111391220,0ptp4l0-21swapper/111:35:391
111391220,0ptp4l0-21swapper/110:45:401
111391220,0ptp4l0-21swapper/110:24:111
111391220,0ptp4l0-21swapper/110:07:001
111391220,0ptp4l0-21swapper/109:50:121
111391220,0ptp4l0-21swapper/109:47:361
111391220,0ptp4l0-21swapper/109:18:161
111391220,0ptp4l0-21swapper/108:25:131
111391220,0ptp4l0-21swapper/108:10:141
111391220,0ptp4l0-21swapper/108:00:001
111391220,0ptp4l0-21swapper/107:30:201
111391220,0ptp4l0-21swapper/012:32:520
111391220,0ptp4l0-21swapper/010:45:120
111391220,0ptp4l0-21swapper/009:50:170
111391220,0ptp4l0-21swapper/009:00:130
111391220,0ptp4l0-21swapper/008:45:120
111391220,0ptp4l0-21swapper/008:40:140
111391220,0ptp4l0-21swapper/008:25:200
111391220,0ptp4l0-21swapper/007:55:150
111391220,0ptp4l0-21swapper/007:13:400
111391210,3ptp4l0-21swapper/707:53:237
111391210,3ptp4l0-21swapper/107:26:051
111391210,0ptp4l0-21swapper/709:32:187
111391210,0ptp4l0-21swapper/709:27:417
111391210,0ptp4l0-21swapper/708:34:567
111391210,0ptp4l0-21swapper/707:32:147
111391210,0ptp4l0-21swapper/612:39:276
111391210,0ptp4l0-21swapper/612:01:316
111391210,0ptp4l0-21swapper/512:20:575
111391210,0ptp4l0-21swapper/511:58:435
111391210,0ptp4l0-21swapper/511:48:415
111391210,0ptp4l0-21swapper/511:43:055
111391210,0ptp4l0-21swapper/511:30:555
111391210,0ptp4l0-21swapper/511:28:165
111391210,0ptp4l0-21swapper/511:06:115
111391210,0ptp4l0-21swapper/510:58:455
111391210,0ptp4l0-21swapper/510:04:485
111391210,0ptp4l0-21swapper/509:55:395
111391210,0ptp4l0-21swapper/509:04:075
111391210,0ptp4l0-21swapper/409:10:004
111391210,0ptp4l0-21swapper/408:50:154
111391210,0ptp4l0-21swapper/407:25:134
111391210,0ptp4l0-21swapper/312:36:563
111391210,0ptp4l0-21swapper/310:21:413
111391210,0ptp4l0-21swapper/211:58:102
111391210,0ptp4l0-21swapper/211:28:012
111391210,0ptp4l0-21swapper/210:46:122
111391210,0ptp4l0-21swapper/207:25:592
111391210,0ptp4l0-21swapper/112:39:521
111391210,0ptp4l0-21swapper/112:10:341
111391210,0ptp4l0-21swapper/111:48:511
111391210,0ptp4l0-21swapper/110:53:441
111391210,0ptp4l0-21swapper/110:41:121
111391210,0ptp4l0-21swapper/109:03:491
111391210,0ptp4l0-21swapper/107:45:171
111391210,0ptp4l0-21swapper/107:45:161
111391210,0ptp4l0-21swapper/012:05:110
111391210,0ptp4l0-21swapper/007:52:260
111391210,0ptp4l0-21swapper/007:41:140
111391210,0ptp4l0-21swapper/007:30:140
111391200,0ptp4l0-21swapper/708:16:157
111391200,0ptp4l0-21swapper/708:07:267
111391200,0ptp4l0-21swapper/610:33:176
111391200,0ptp4l0-21swapper/607:25:486
111391200,0ptp4l0-21swapper/607:14:486
111391200,0ptp4l0-21swapper/509:31:275
111391200,0ptp4l0-21swapper/508:30:135
111391200,0ptp4l0-21swapper/508:26:205
111391200,0ptp4l0-21swapper/507:21:255
111391200,0ptp4l0-21swapper/407:40:394
111391200,0ptp4l0-21swapper/308:16:393
111391200,0ptp4l0-21swapper/210:33:182
111391200,0ptp4l0-21swapper/210:08:292
111391200,0ptp4l0-21swapper/111:58:431
111391200,0ptp4l0-21swapper/111:40:301
111391200,0ptp4l0-21swapper/111:30:471
111391200,0ptp4l0-21swapper/111:28:131
111391200,0ptp4l0-21swapper/111:16:371
111391200,0ptp4l0-21swapper/111:01:241
111391200,0ptp4l0-21swapper/110:04:571
111391200,0ptp4l0-21swapper/109:05:141
111391200,0ptp4l0-21swapper/107:39:221
111391200,0ptp4l0-21swapper/008:22:490
111391200,0ptp4l0-21swapper/008:15:130
111391200,0ptp4l0-21swapper/008:01:070
111391190,2ptp4l0-21swapper/008:31:120
111391190,1ptp4l33-21ksoftirqd/212:01:262
111391190,1ptp4l17400-21ssh12:03:191
111391190,0ptp4l0-21swapper/707:19:147
111391190,0ptp4l0-21swapper/609:37:066
111391190,0ptp4l0-21swapper/512:36:305
111391190,0ptp4l0-21swapper/508:59:175
111391190,0ptp4l0-21swapper/508:50:185
111391190,0ptp4l0-21swapper/508:24:155
111391190,0ptp4l0-21swapper/507:36:115
111391190,0ptp4l0-21swapper/507:26:395
111391190,0ptp4l0-21swapper/507:16:155
111391190,0ptp4l0-21swapper/408:10:394
111391190,0ptp4l0-21swapper/407:52:324
111391190,0ptp4l0-21swapper/308:29:003
111391190,0ptp4l0-21swapper/308:07:423
111391190,0ptp4l0-21swapper/211:07:232
111391190,0ptp4l0-21swapper/210:27:312
111391190,0ptp4l0-21swapper/210:27:312
111391190,0ptp4l0-21swapper/112:20:511
111391190,0ptp4l0-21swapper/111:06:091
111391190,0ptp4l0-21swapper/110:57:381
111391190,0ptp4l0-21swapper/108:57:161
111391190,0ptp4l0-21swapper/108:23:341
111391190,0ptp4l0-21swapper/009:09:540
111391190,0ptp4l0-21swapper/008:09:230
111391180,0ptp4l24427-21sshd08:09:304
111391180,0ptp4l0-21swapper/711:32:447
111391180,0ptp4l0-21swapper/612:24:466
111391180,0ptp4l0-21swapper/611:07:226
111391180,0ptp4l0-21swapper/512:03:215
111391180,0ptp4l0-21swapper/511:17:485
111391180,0ptp4l0-21swapper/312:26:283
111391180,0ptp4l0-21swapper/309:07:573
111391180,0ptp4l0-21swapper/211:03:592
111391180,0ptp4l0-21swapper/209:37:052
111391180,0ptp4l0-21swapper/108:37:391
111391180,0ptp4l0-21swapper/107:40:141
111391170,0ptp4l0-21swapper/610:08:306
111391170,0ptp4l0-21swapper/407:14:364
111391170,0ptp4l0-21swapper/307:32:283
111391170,0ptp4l0-21swapper/212:24:462
111391170,0ptp4l0-21swapper/111:21:501
111391170,0ptp4l0-21swapper/008:14:390
111391170,0ptp4l0-21swapper/007:48:050
111391170,0ptp4l0-21swapper/007:48:050
111391160,0ptp4l0-21swapper/710:21:347
111391160,0ptp4l0-21swapper/708:13:507
111391160,0ptp4l0-21swapper/508:39:415
111391160,0ptp4l0-21swapper/108:54:431
111391160,0ptp4l0-21swapper/108:15:301
111391150,0ptp4l0-21swapper/709:06:507
111391150,0ptp4l0-21swapper/708:28:237
111391150,0ptp4l0-21swapper/707:58:217
111391150,0ptp4l0-21swapper/707:45:277
111391150,0ptp4l0-21swapper/707:45:267
111391150,0ptp4l0-21swapper/610:46:136
111391150,0ptp4l0-21swapper/608:41:476
111391150,0ptp4l0-21swapper/608:12:576
111391150,0ptp4l0-21swapper/607:36:576
111391150,0ptp4l0-21swapper/508:43:165
111391150,0ptp4l0-21swapper/507:58:315
111391150,0ptp4l0-21swapper/408:30:514
111391150,0ptp4l0-21swapper/308:33:563
111391150,0ptp4l0-21swapper/307:53:213
111391150,0ptp4l0-21swapper/307:45:293
111391150,0ptp4l0-21swapper/307:45:283
111391150,0ptp4l0-21swapper/307:22:313
111391150,0ptp4l0-21swapper/307:18:043
111391150,0ptp4l0-21swapper/207:36:532
111391150,0ptp4l0-21swapper/207:14:392
111391150,0ptp4l0-21swapper/108:42:301
111391150,0ptp4l0-21swapper/107:20:271
2892799140,1cyclictest0-21swapper/611:10:136
2890699141,0cyclictest0-21swapper/309:00:163
111391140,0ptp4l0-21swapper/707:22:277
111391140,0ptp4l0-21swapper/508:15:295
111391140,0ptp4l0-21swapper/308:13:453
111391140,0ptp4l0-21swapper/307:58:163
111391140,0ptp4l0-21swapper/307:40:593
111391140,0ptp4l0-21swapper/210:01:572
111391140,0ptp4l0-21swapper/208:41:482
111391140,0ptp4l0-21swapper/208:12:542
111391140,0ptp4l0-21swapper/208:03:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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