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2026-07-20 - 21:29

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 Jul 20, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118821220,3sleep32867699cyclictest09:26:163
111391640,6ptp4l0-21swapper/107:08:181
112582630,0sleep20-21swapper/210:20:382
205482620,1sleep5561ktimersoftd/509:10:165
2828826050,6sleep70-21swapper/707:08:447
175992600,0sleep00-21swapper/010:30:130
111391600,6ptp4l0-21swapper/007:05:120
1881915948,6phc2sys0-21swapper/207:06:032
114402590,0sleep70-21swapper/707:40:167
111391570,5ptp4l0-21swapper/507:08:025
111391560,5ptp4l0-21swapper/407:06:024
183792540,0sleep30-21swapper/309:05:173
2804625332,7sleep30-21swapper/307:05:363
2820424736,6sleep60-21swapper/607:07:406
111391330,0ptp4l0-21swapper/111:55:161
111391310,0ptp4l0-21swapper/411:41:454
111391300,0ptp4l0-21swapper/511:45:335
111391300,0ptp4l0-21swapper/412:30:374
111391300,0ptp4l0-21swapper/410:45:154
111391300,0ptp4l0-21swapper/009:21:560
111391290,4ptp4l0-21swapper/507:10:135
111391290,0ptp4l0-21swapper/510:24:045
111391290,0ptp4l0-21swapper/411:54:004
111391290,0ptp4l0-21swapper/407:25:134
111391290,0ptp4l0-21swapper/011:54:030
111391290,0ptp4l0-21swapper/010:41:500
111391290,0ptp4l0-21swapper/010:08:250
111391290,0ptp4l0-21swapper/009:47:500
111391290,0ptp4l0-21swapper/009:19:170
111391280,0ptp4l0-21swapper/712:35:267
111391280,0ptp4l0-21swapper/511:04:055
111391280,0ptp4l0-21swapper/510:52:115
111391280,0ptp4l0-21swapper/510:44:225
111391280,0ptp4l0-21swapper/409:58:384
111391280,0ptp4l0-21swapper/307:55:173
111391280,0ptp4l0-21swapper/307:55:163
111391280,0ptp4l0-21swapper/112:21:251
111391280,0ptp4l0-21swapper/012:27:520
111391280,0ptp4l0-21swapper/012:06:500
111391280,0ptp4l0-21swapper/011:40:350
111391280,0ptp4l0-21swapper/011:25:200
111391280,0ptp4l0-21swapper/010:12:000
111391280,0ptp4l0-21swapper/010:00:400
111391280,0ptp4l0-21swapper/008:19:450
111391270,0ptp4l0-21swapper/710:06:407
111391270,0ptp4l0-21swapper/512:30:045
111391270,0ptp4l0-21swapper/512:20:485
111391270,0ptp4l0-21swapper/511:54:465
111391270,0ptp4l0-21swapper/412:19:484
111391270,0ptp4l0-21swapper/411:47:204
111391270,0ptp4l0-21swapper/410:54:484
111391270,0ptp4l0-21swapper/409:48:494
111391270,0ptp4l0-21swapper/409:36:114
111391270,0ptp4l0-21swapper/409:28:494
111391270,0ptp4l0-21swapper/112:34:171
111391270,0ptp4l0-21swapper/110:29:081
111391270,0ptp4l0-21swapper/110:29:071
111391270,0ptp4l0-21swapper/110:21:151
111391270,0ptp4l0-21swapper/012:00:170
111391270,0ptp4l0-21swapper/011:03:080
111391270,0ptp4l0-21swapper/010:17:200
111391270,0ptp4l0-21swapper/009:39:300
111391260,3ptp4l0-21swapper/010:59:380
111391260,2ptp4l0-21swapper/108:10:131
111391260,1ptp4l5904-21cut10:15:094
111391260,0ptp4l0-21swapper/412:35:074
111391260,0ptp4l0-21swapper/412:07:254
111391260,0ptp4l0-21swapper/411:25:314
111391260,0ptp4l0-21swapper/411:14:534
111391260,0ptp4l0-21swapper/410:38:124
111391260,0ptp4l0-21swapper/410:02:574
111391260,0ptp4l0-21swapper/110:50:011
111391260,0ptp4l0-21swapper/012:32:290
111391250,1ptp4l30291-21cat10:05:011
111391250,1ptp4l11728-21smart_sda08:50:184
111391250,0ptp4l19419-21diskmemload12:04:154
111391250,0ptp4l19419-21diskmemload09:53:290
111391250,0ptp4l0-21swapper/512:27:095
111391250,0ptp4l0-21swapper/511:31:005
111391250,0ptp4l0-21swapper/510:55:125
111391250,0ptp4l0-21swapper/509:59:375
111391250,0ptp4l0-21swapper/509:25:195
111391250,0ptp4l0-21swapper/508:20:155
111391250,0ptp4l0-21swapper/411:55:364
111391250,0ptp4l0-21swapper/411:20:134
111391250,0ptp4l0-21swapper/410:42:164
111391250,0ptp4l0-21swapper/410:22:344
111391250,0ptp4l0-21swapper/409:23:114
111391250,0ptp4l0-21swapper/407:20:114
111391250,0ptp4l0-21swapper/111:30:431
111391250,0ptp4l0-21swapper/111:18:571
111391250,0ptp4l0-21swapper/110:05:111
111391250,0ptp4l0-21swapper/011:35:080
111391250,0ptp4l0-21swapper/011:21:190
111391250,0ptp4l0-21swapper/011:15:250
111391250,0ptp4l0-21swapper/009:10:170
111391250,0ptp4l0-21swapper/008:45:000
111391240,1ptp4l6581-21hddtemp_smartct07:30:124
111391240,1ptp4l27254-21memory10:00:165
111391240,1ptp4l19419-21diskmemload10:00:196
111391240,1ptp4l14613-21date09:45:000
111391240,1ptp4l11537-21cut08:50:171
111391240,0ptp4l0-21swapper/611:27:256
111391240,0ptp4l0-21swapper/512:12:435
111391240,0ptp4l0-21swapper/511:58:415
111391240,0ptp4l0-21swapper/510:49:215
111391240,0ptp4l0-21swapper/510:39:365
111391240,0ptp4l0-21swapper/510:30:175
111391240,0ptp4l0-21swapper/509:00:165
111391240,0ptp4l0-21swapper/508:35:135
111391240,0ptp4l0-21swapper/411:08:104
111391240,0ptp4l0-21swapper/411:02:404
111391240,0ptp4l0-21swapper/409:50:024
111391240,0ptp4l0-21swapper/409:41:504
111391240,0ptp4l0-21swapper/408:05:134
111391240,0ptp4l0-21swapper/312:35:343
111391240,0ptp4l0-21swapper/111:41:341
111391240,0ptp4l0-21swapper/111:20:231
111391240,0ptp4l0-21swapper/110:44:331
111391240,0ptp4l0-21swapper/110:18:161
111391240,0ptp4l0-21swapper/109:52:421
111391240,0ptp4l0-21swapper/109:15:121
111391240,0ptp4l0-21swapper/108:35:111
111391240,0ptp4l0-21swapper/012:23:010
111391240,0ptp4l0-21swapper/012:16:020
111391240,0ptp4l0-21swapper/012:11:170
111391240,0ptp4l0-21swapper/011:57:000
111391240,0ptp4l0-21swapper/011:31:520
111391240,0ptp4l0-21swapper/010:50:120
111391240,0ptp4l0-21swapper/010:22:500
111391240,0ptp4l0-21swapper/009:57:510
111391240,0ptp4l0-21swapper/009:25:130
111391240,0ptp4l0-21swapper/009:05:160
111391240,0ptp4l0-21swapper/008:45:170
111391240,0ptp4l0-21swapper/007:30:110
111391230,1ptp4l4300-21hddtemp_smartct10:55:141
111391230,1ptp4l3917-21ssh09:30:141
111391230,1ptp4l31717-21sed07:15:025
111391230,1ptp4l31446-21cat08:25:017
111391230,1ptp4l2656-21if_err_virbr0-n11:35:151
111391230,1ptp4l20975-21/usr/sbin/munin10:35:130
111391230,0ptp4l0-21swapper/712:05:087
111391230,0ptp4l0-21swapper/708:25:127
111391230,0ptp4l0-21swapper/609:52:026
111391230,0ptp4l0-21swapper/512:03:335
111391230,0ptp4l0-21swapper/511:05:035
111391230,0ptp4l0-21swapper/510:25:215
111391230,0ptp4l0-21swapper/510:25:215
111391230,0ptp4l0-21swapper/510:05:145
111391230,0ptp4l0-21swapper/509:20:135
111391230,0ptp4l0-21swapper/508:15:135
111391230,0ptp4l0-21swapper/507:35:115
111391230,0ptp4l0-21swapper/412:26:274
111391230,0ptp4l0-21swapper/412:20:124
111391230,0ptp4l0-21swapper/412:10:164
111391230,0ptp4l0-21swapper/411:30:144
111391230,0ptp4l0-21swapper/411:15:144
111391230,0ptp4l0-21swapper/410:30:364
111391230,0ptp4l0-21swapper/410:10:354
111391230,0ptp4l0-21swapper/409:32:104
111391230,0ptp4l0-21swapper/409:15:174
111391230,0ptp4l0-21swapper/409:12:204
111391230,0ptp4l0-21swapper/409:05:124
111391230,0ptp4l0-21swapper/407:55:144
111391230,0ptp4l0-21swapper/407:55:144
111391230,0ptp4l0-21swapper/407:50:004
111391230,0ptp4l0-21swapper/212:02:012
111391230,0ptp4l0-21swapper/210:15:012
111391230,0ptp4l0-21swapper/112:35:121
111391230,0ptp4l0-21swapper/112:15:441
111391230,0ptp4l0-21swapper/112:11:461
111391230,0ptp4l0-21swapper/111:45:131
111391230,0ptp4l0-21swapper/110:30:161
111391230,0ptp4l0-21swapper/109:35:061
111391230,0ptp4l0-21swapper/109:20:141
111391230,0ptp4l0-21swapper/109:13:561
111391230,0ptp4l0-21swapper/108:55:171
111391230,0ptp4l0-21swapper/108:20:121
111391230,0ptp4l0-21swapper/108:15:171
111391230,0ptp4l0-21swapper/107:35:121
111391230,0ptp4l0-21swapper/011:48:190
111391230,0ptp4l0-21swapper/011:05:210
111391230,0ptp4l0-21swapper/008:30:190
111391230,0ptp4l0-21swapper/008:00:150
111391230,0ptp4l0-21swapper/007:50:160
111391230,0ptp4l0-21swapper/007:50:160
111391230,0ptp4l0-21swapper/007:25:190
111391230,0ptp4l0-21swapper/007:20:010
111391220,8ptp4l0-21swapper/407:52:374
111391220,8ptp4l0-21swapper/407:52:364
111391220,1ptp4l25-21ksoftirqd/109:41:591
111391220,0ptp4l0-21swapper/710:56:257
111391220,0ptp4l0-21swapper/710:13:167
111391220,0ptp4l0-21swapper/612:02:036
111391220,0ptp4l0-21swapper/610:15:126
111391220,0ptp4l0-21swapper/512:15:415
111391220,0ptp4l0-21swapper/511:35:055
111391220,0ptp4l0-21swapper/511:29:235
111391220,0ptp4l0-21swapper/511:20:215
111391220,0ptp4l0-21swapper/511:15:535
111391220,0ptp4l0-21swapper/511:10:215
111391220,0ptp4l0-21swapper/510:18:125
111391220,0ptp4l0-21swapper/510:12:555
111391220,0ptp4l0-21swapper/509:42:015
111391220,0ptp4l0-21swapper/509:30:135
111391220,0ptp4l0-21swapper/509:15:135
111391220,0ptp4l0-21swapper/508:55:175
111391220,0ptp4l0-21swapper/508:50:155
111391220,0ptp4l0-21swapper/508:10:155
111391220,0ptp4l0-21swapper/411:35:134
111391220,0ptp4l0-21swapper/410:55:204
111391220,0ptp4l0-21swapper/410:26:274
111391220,0ptp4l0-21swapper/410:26:264
111391220,0ptp4l0-21swapper/410:06:524
111391220,0ptp4l0-21swapper/408:45:134
111391220,0ptp4l0-21swapper/408:30:134
111391220,0ptp4l0-21swapper/407:15:164
111391220,0ptp4l0-21swapper/310:13:083
111391220,0ptp4l0-21swapper/310:05:293
111391220,0ptp4l0-21swapper/210:15:112
111391220,0ptp4l0-21swapper/210:00:182
111391220,0ptp4l0-21swapper/209:21:242
111391220,0ptp4l0-21swapper/112:27:241
111391220,0ptp4l0-21swapper/112:00:031
111391220,0ptp4l0-21swapper/111:50:111
111391220,0ptp4l0-21swapper/111:28:551
111391220,0ptp4l0-21swapper/111:10:201
111391220,0ptp4l0-21swapper/111:09:261
111391220,0ptp4l0-21swapper/111:00:331
111391220,0ptp4l0-21swapper/110:49:141
111391220,0ptp4l0-21swapper/110:35:031
111391220,0ptp4l0-21swapper/110:12:531
111391220,0ptp4l0-21swapper/109:57:461
111391220,0ptp4l0-21swapper/109:48:541
111391220,0ptp4l0-21swapper/109:29:391
111391220,0ptp4l0-21swapper/109:00:111
111391220,0ptp4l0-21swapper/108:40:131
111391220,0ptp4l0-21swapper/107:10:171
111391220,0ptp4l0-21swapper/012:39:570
111391220,0ptp4l0-21swapper/011:12:190
111391220,0ptp4l0-21swapper/010:47:020
111391220,0ptp4l0-21swapper/010:25:060
111391220,0ptp4l0-21swapper/010:25:060
111391220,0ptp4l0-21swapper/009:31:040
111391220,0ptp4l0-21swapper/008:35:200
111391220,0ptp4l0-21swapper/008:05:180
111391220,0ptp4l0-21swapper/007:55:130
111391220,0ptp4l0-21swapper/007:55:120
111391220,0ptp4l0-21swapper/007:45:190
111391220,0ptp4l0-21swapper/007:40:140
111391220,0ptp4l0-21swapper/007:20:110
111391210,1ptp4l13385-21sh11:05:437
111391210,1ptp4l11629-21ps08:50:170
111391210,0ptp4l0-21swapper/708:45:587
111391210,0ptp4l0-21swapper/707:55:167
111391210,0ptp4l0-21swapper/707:55:167
111391210,0ptp4l0-21swapper/612:17:056
111391210,0ptp4l0-21swapper/612:06:016
111391210,0ptp4l0-21swapper/609:48:216
111391210,0ptp4l0-21swapper/609:21:256
111391210,0ptp4l0-21swapper/512:35:025
111391210,0ptp4l0-21swapper/511:44:025
111391210,0ptp4l0-21swapper/509:52:295
111391210,0ptp4l0-21swapper/509:49:085
111391210,0ptp4l0-21swapper/509:35:085
111391210,0ptp4l0-21swapper/508:49:135
111391210,0ptp4l0-21swapper/508:40:135
111391210,0ptp4l0-21swapper/409:00:124
111391210,0ptp4l0-21swapper/408:10:004
111391210,0ptp4l0-21swapper/407:10:014
111391210,0ptp4l0-21swapper/312:04:583
111391210,0ptp4l0-21swapper/310:56:243
111391210,0ptp4l0-21swapper/308:45:213
111391210,0ptp4l0-21swapper/308:25:133
111391210,0ptp4l0-21swapper/308:24:473
111391210,0ptp4l0-21swapper/212:27:562
111391210,0ptp4l0-21swapper/212:17:042
111391210,0ptp4l0-21swapper/211:49:442
111391210,0ptp4l0-21swapper/211:09:132
111391210,0ptp4l0-21swapper/209:27:402
111391210,0ptp4l0-21swapper/209:11:472
111391210,0ptp4l0-21swapper/208:49:002
111391210,0ptp4l0-21swapper/008:58:210
111391200,2ptp4l0-21swapper/607:58:376
111391200,2ptp4l0-21swapper/607:58:366
111391200,0ptp4l0-21swapper/508:00:475
111391200,0ptp4l0-21swapper/507:42:045
111391200,0ptp4l0-21swapper/507:33:175
111391200,0ptp4l0-21swapper/507:27:575
111391200,0ptp4l0-21swapper/408:42:134
111391200,0ptp4l0-21swapper/408:39:134
111391200,0ptp4l0-21swapper/408:26:224
111391200,0ptp4l0-21swapper/408:00:134
111391200,0ptp4l0-21swapper/407:36:134
111391200,0ptp4l0-21swapper/209:48:252
111391200,0ptp4l0-21swapper/112:06:131
111391200,0ptp4l0-21swapper/108:48:131
111391200,0ptp4l0-21swapper/108:30:061
111391200,0ptp4l0-21swapper/107:34:451
111391200,0ptp4l0-21swapper/107:28:171
111391200,0ptp4l0-21swapper/107:21:431
111391200,0ptp4l0-21swapper/107:15:011
111391200,0ptp4l0-21swapper/008:10:310
111391190,0ptp4l0-21swapper/612:27:566
111391190,0ptp4l0-21swapper/611:09:126
111391190,0ptp4l0-21swapper/610:20:306
111391190,0ptp4l0-21swapper/609:09:426
111391190,0ptp4l0-21swapper/512:08:195
111391190,0ptp4l0-21swapper/408:22:104
111391190,0ptp4l0-21swapper/408:19:484
111391190,0ptp4l0-21swapper/312:05:033
111391190,0ptp4l0-21swapper/211:27:362
111391190,0ptp4l0-21swapper/108:09:381
111391190,0ptp4l0-21swapper/108:02:511
111391190,0ptp4l0-21swapper/107:48:051
111391190,0ptp4l0-21swapper/009:02:040
111391190,0ptp4l0-21swapper/008:27:220
111391190,0ptp4l0-21swapper/007:38:250
111391190,0ptp4l0-21swapper/007:10:390
28704991815,1cyclictest6432-21if_enp0s2511:40:137
111391180,0ptp4l0-21swapper/508:30:075
111391180,0ptp4l0-21swapper/507:22:525
111391180,0ptp4l0-21swapper/407:40:174
111391180,0ptp4l0-21swapper/209:51:572
111391180,0ptp4l0-21swapper/209:33:212
2868999178,8cyclictest0-21swapper/509:06:515
111391170,1ptp4l0-21swapper/408:59:464
111391170,0ptp4l0-21swapper/211:21:192
111391160,0ptp4l0-21swapper/311:05:363
111391160,0ptp4l0-21swapper/207:49:492
111391160,0ptp4l0-21swapper/109:08:261
111391150,0ptp4l0-21swapper/712:04:587
111391150,0ptp4l0-21swapper/707:13:327
111391150,0ptp4l0-21swapper/608:49:036
111391150,0ptp4l0-21swapper/608:29:406
111391150,0ptp4l0-21swapper/608:20:496
111391150,0ptp4l0-21swapper/607:54:026
111391150,0ptp4l0-21swapper/607:54:016
111391150,0ptp4l0-21swapper/607:45:376
111391150,0ptp4l0-21swapper/508:27:535
111391150,0ptp4l0-21swapper/508:05:575
111391150,0ptp4l0-21swapper/507:52:195
111391150,0ptp4l0-21swapper/507:52:195
111391150,0ptp4l0-21swapper/507:47:455
111391150,0ptp4l0-21swapper/212:06:002
111391150,0ptp4l0-21swapper/209:09:422
111391150,0ptp4l0-21swapper/208:34:522
111391150,0ptp4l0-21swapper/207:58:562
111391150,0ptp4l0-21swapper/207:58:552
111391150,0ptp4l0-21swapper/207:24:092
111391150,0ptp4l0-21swapper/108:27:521
111391150,0ptp4l0-21swapper/107:52:161
111391150,0ptp4l0-21swapper/107:52:151
111391150,0ptp4l0-21swapper/107:41:471
111391150,0ptp4l0-21swapper/008:20:310
111391140,0ptp4l0-21swapper/610:14:596
111391140,0ptp4l0-21swapper/609:27:416
111391140,0ptp4l0-21swapper/608:58:206
111391140,0ptp4l0-21swapper/608:34:526
111391140,0ptp4l0-21swapper/607:24:086
111391140,0ptp4l0-21swapper/208:58:202
111391140,0ptp4l0-21swapper/208:29:392
111391140,0ptp4l0-21swapper/208:20:482
111391140,0ptp4l0-21swapper/207:54:022
111391140,0ptp4l0-21swapper/207:54:012
2870499129,1cyclictest5619-21munin-run11:40:007
2868999121,0cyclictest0-21swapper/507:55:015
2868999121,0cyclictest0-21swapper/507:55:005
2870499119,1cyclictest0-21swapper/709:50:127
2869699110,1cyclictest0-21swapper/612:10:526
2867699110,10cyclictest0-21swapper/312:26:563
2867699110,10cyclictest0-21swapper/311:31:103
2867699110,10cyclictest0-21swapper/310:29:063
2867699110,10cyclictest0-21swapper/310:29:053
2866999110,10cyclictest0-21swapper/211:11:262
2869699109,0cyclictest0-21swapper/611:55:186
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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