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2026-09-23 - 20:59

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 Sep 23, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
280892630,0sleep00-21swapper/010:46:120
111391620,5ptp4l0-21swapper/107:07:351
111391600,5ptp4l0-21swapper/507:05:125
107825646,6sleep20-21swapper/207:05:472
103325543,7sleep40-21swapper/407:05:244
129225141,6sleep70-21swapper/707:08:327
119825039,6sleep00-21swapper/007:07:220
105024736,7sleep30-21swapper/307:05:403
112224635,6sleep60-21swapper/607:06:236
111391330,1ptp4l2542-21fw_forwarded_lo08:20:120
111391320,0ptp4l0-21swapper/411:27:154
111391320,0ptp4l0-21swapper/408:05:134
111391320,0ptp4l0-21swapper/111:55:161
111391310,0ptp4l0-21swapper/409:20:184
111391310,0ptp4l0-21swapper/011:50:240
111391310,0ptp4l0-21swapper/011:00:120
111391310,0ptp4l0-21swapper/009:57:110
111391310,0ptp4l0-21swapper/009:30:000
111391300,0ptp4l0-21swapper/512:04:415
111391300,0ptp4l0-21swapper/509:30:195
111391300,0ptp4l0-21swapper/411:59:414
111391300,0ptp4l0-21swapper/112:12:011
111391300,0ptp4l0-21swapper/012:35:130
111391300,0ptp4l0-21swapper/012:33:030
111391300,0ptp4l0-21swapper/012:13:290
111391300,0ptp4l0-21swapper/011:27:410
111391300,0ptp4l0-21swapper/009:45:430
111391290,0ptp4l0-21swapper/710:27:407
111391290,0ptp4l0-21swapper/512:37:275
111391290,0ptp4l0-21swapper/508:55:165
111391290,0ptp4l0-21swapper/411:37:554
111391290,0ptp4l0-21swapper/409:59:214
111391290,0ptp4l0-21swapper/409:11:234
111391290,0ptp4l0-21swapper/112:30:001
111391290,0ptp4l0-21swapper/112:15:151
111391290,0ptp4l0-21swapper/109:33:221
111391290,0ptp4l0-21swapper/011:45:560
111391290,0ptp4l0-21swapper/011:34:190
111391290,0ptp4l0-21swapper/010:53:480
111391280,3ptp4l9-21ksoftirqd/011:20:010
111391280,0ptp4l0-21swapper/412:02:084
111391280,0ptp4l0-21swapper/411:00:154
111391280,0ptp4l0-21swapper/112:36:431
111391280,0ptp4l0-21swapper/111:29:281
111391280,0ptp4l0-21swapper/110:09:191
111391280,0ptp4l0-21swapper/012:24:450
111391280,0ptp4l0-21swapper/011:12:470
111391280,0ptp4l0-21swapper/010:14:010
111391280,0ptp4l0-21swapper/009:18:460
111391270,1ptp4l10833-21ssh10:21:171
111391270,1ptp4l0-21swapper/411:40:194
111391270,0ptp4l0-21swapper/510:57:495
111391270,0ptp4l0-21swapper/510:42:045
111391270,0ptp4l0-21swapper/510:42:045
111391270,0ptp4l0-21swapper/412:16:094
111391270,0ptp4l0-21swapper/411:50:384
111391270,0ptp4l0-21swapper/411:24:354
111391270,0ptp4l0-21swapper/410:15:114
111391270,0ptp4l0-21swapper/410:07:354
111391270,0ptp4l0-21swapper/409:38:184
111391270,0ptp4l0-21swapper/110:54:171
111391270,0ptp4l0-21swapper/110:30:391
111391270,0ptp4l0-21swapper/011:58:040
111391270,0ptp4l0-21swapper/010:41:300
111391270,0ptp4l0-21swapper/010:41:300
111391270,0ptp4l0-21swapper/010:26:380
111391270,0ptp4l0-21swapper/010:16:030
111391270,0ptp4l0-21swapper/009:21:260
111391260,1ptp4l28327-21ssh10:46:535
111391260,0ptp4l0-21swapper/511:42:475
111391260,0ptp4l0-21swapper/511:10:475
111391260,0ptp4l0-21swapper/509:36:185
111391260,0ptp4l0-21swapper/509:23:285
111391260,0ptp4l0-21swapper/508:50:205
111391260,0ptp4l0-21swapper/411:05:164
111391260,0ptp4l0-21swapper/410:41:324
111391260,0ptp4l0-21swapper/410:41:324
111391260,0ptp4l0-21swapper/410:21:414
111391260,0ptp4l0-21swapper/407:25:184
111391260,0ptp4l0-21swapper/110:38:541
111391260,0ptp4l0-21swapper/109:12:521
111391260,0ptp4l0-21swapper/108:15:171
111391260,0ptp4l0-21swapper/010:57:040
111391260,0ptp4l0-21swapper/010:01:150
111391260,0ptp4l0-21swapper/009:53:150
111391260,0ptp4l0-21swapper/009:14:290
111391250,2ptp4l0-21swapper/409:34:194
111391250,0ptp4l0-21swapper/510:35:565
111391250,0ptp4l0-21swapper/510:10:155
111391250,0ptp4l0-21swapper/507:46:075
111391250,0ptp4l0-21swapper/412:34:494
111391250,0ptp4l0-21swapper/412:11:084
111391250,0ptp4l0-21swapper/411:11:174
111391250,0ptp4l0-21swapper/410:59:544
111391250,0ptp4l0-21swapper/410:53:034
111391250,0ptp4l0-21swapper/410:45:134
111391250,0ptp4l0-21swapper/410:32:184
111391250,0ptp4l0-21swapper/410:25:164
111391250,0ptp4l0-21swapper/410:14:514
111391250,0ptp4l0-21swapper/212:36:222
111391250,0ptp4l0-21swapper/111:11:441
111391250,0ptp4l0-21swapper/108:25:151
111391250,0ptp4l0-21swapper/108:24:451
111391250,0ptp4l0-21swapper/012:28:030
111391250,0ptp4l0-21swapper/011:40:470
111391250,0ptp4l0-21swapper/010:07:200
111391250,0ptp4l0-21swapper/009:38:070
111391250,0ptp4l0-21swapper/009:31:100
111391240,1ptp4l4218-21memory09:25:161
111391240,1ptp4l3697-21diskstats09:25:125
111391240,0ptp4l0-21swapper/510:23:505
111391240,0ptp4l0-21swapper/510:09:415
111391240,0ptp4l0-21swapper/510:04:235
111391240,0ptp4l0-21swapper/509:57:175
111391240,0ptp4l0-21swapper/509:10:005
111391240,0ptp4l0-21swapper/412:28:204
111391240,0ptp4l0-21swapper/411:33:284
111391240,0ptp4l0-21swapper/408:44:154
111391240,0ptp4l0-21swapper/407:15:004
111391240,0ptp4l0-21swapper/208:10:152
111391240,0ptp4l0-21swapper/112:25:211
111391240,0ptp4l0-21swapper/107:10:191
111391240,0ptp4l0-21swapper/012:18:010
111391240,0ptp4l0-21swapper/007:15:120
111391230,2ptp4l0-21swapper/511:49:455
111391230,2ptp4l0-21swapper/407:53:034
111391230,1ptp4l3087-21if_enp0s2511:45:134
111391230,1ptp4l28922-21ssh12:22:271
111391230,1ptp4l28808-21sendmail_mailqu08:05:190
111391230,1ptp4l28764-21if_virbr011:35:160
111391230,1ptp4l2160-21sh07:10:125
111391230,1ptp4l15437-21awk11:15:185
111391230,1ptp4l11762-21basename08:40:145
111391230,0ptp4l14878-21strings07:35:174
111391230,0ptp4l0-21swapper/512:20:155
111391230,0ptp4l0-21swapper/512:15:165
111391230,0ptp4l0-21swapper/511:39:035
111391230,0ptp4l0-21swapper/511:09:255
111391230,0ptp4l0-21swapper/510:50:165
111391230,0ptp4l0-21swapper/510:30:245
111391230,0ptp4l0-21swapper/509:40:155
111391230,0ptp4l0-21swapper/508:38:245
111391230,0ptp4l0-21swapper/508:15:145
111391230,0ptp4l0-21swapper/507:50:125
111391230,0ptp4l0-21swapper/507:29:235
111391230,0ptp4l0-21swapper/412:35:124
111391230,0ptp4l0-21swapper/412:05:154
111391230,0ptp4l0-21swapper/410:35:134
111391230,0ptp4l0-21swapper/409:50:214
111391230,0ptp4l0-21swapper/409:41:124
111391230,0ptp4l0-21swapper/409:05:204
111391230,0ptp4l0-21swapper/409:00:174
111391230,0ptp4l0-21swapper/408:55:374
111391230,0ptp4l0-21swapper/408:00:014
111391230,0ptp4l0-21swapper/408:00:014
111391230,0ptp4l0-21swapper/407:55:144
111391230,0ptp4l0-21swapper/407:30:174
111391230,0ptp4l0-21swapper/208:37:412
111391230,0ptp4l0-21swapper/208:33:312
111391230,0ptp4l0-21swapper/111:05:191
111391230,0ptp4l0-21swapper/110:55:181
111391230,0ptp4l0-21swapper/109:43:411
111391230,0ptp4l0-21swapper/012:05:180
111391230,0ptp4l0-21swapper/011:20:120
111391230,0ptp4l0-21swapper/011:09:460
111391230,0ptp4l0-21swapper/010:35:210
111391230,0ptp4l0-21swapper/010:20:150
111391230,0ptp4l0-21swapper/009:05:170
111391230,0ptp4l0-21swapper/009:00:210
111391230,0ptp4l0-21swapper/008:40:160
111391230,0ptp4l0-21swapper/008:00:090
111391230,0ptp4l0-21swapper/008:00:080
111391230,0ptp4l0-21swapper/007:55:140
111391230,0ptp4l0-21swapper/007:52:590
111391230,0ptp4l0-21swapper/007:42:440
111391230,0ptp4l0-21swapper/007:35:140
111391230,0ptp4l0-21swapper/007:30:120
111391230,0ptp4l0-21swapper/007:25:110
111391230,0ptp4l0-21swapper/007:15:000
111391220,2ptp4l0-21swapper/007:22:310
111391220,0ptp4l0-21swapper/712:08:477
111391220,0ptp4l0-21swapper/711:43:277
111391220,0ptp4l0-21swapper/710:05:097
111391220,0ptp4l0-21swapper/709:54:237
111391220,0ptp4l0-21swapper/607:47:596
111391220,0ptp4l0-21swapper/512:30:495
111391220,0ptp4l0-21swapper/512:27:335
111391220,0ptp4l0-21swapper/512:12:075
111391220,0ptp4l0-21swapper/512:05:075
111391220,0ptp4l0-21swapper/511:55:135
111391220,0ptp4l0-21swapper/508:30:185
111391220,0ptp4l0-21swapper/508:25:135
111391220,0ptp4l0-21swapper/508:24:385
111391220,0ptp4l0-21swapper/508:11:245
111391220,0ptp4l0-21swapper/508:00:165
111391220,0ptp4l0-21swapper/508:00:155
111391220,0ptp4l0-21swapper/411:17:414
111391220,0ptp4l0-21swapper/410:00:154
111391220,0ptp4l0-21swapper/409:45:144
111391220,0ptp4l0-21swapper/409:29:304
111391220,0ptp4l0-21swapper/409:15:154
111391220,0ptp4l0-21swapper/408:45:114
111391220,0ptp4l0-21swapper/408:35:164
111391220,0ptp4l0-21swapper/408:35:014
111391220,0ptp4l0-21swapper/408:19:474
111391220,0ptp4l0-21swapper/407:45:134
111391220,0ptp4l0-21swapper/407:40:114
111391220,0ptp4l0-21swapper/407:20:194
111391220,0ptp4l0-21swapper/310:27:013
111391220,0ptp4l0-21swapper/211:57:092
111391220,0ptp4l0-21swapper/112:05:121
111391220,0ptp4l0-21swapper/111:45:191
111391220,0ptp4l0-21swapper/111:44:551
111391220,0ptp4l0-21swapper/111:20:371
111391220,0ptp4l0-21swapper/111:15:141
111391220,0ptp4l0-21swapper/110:40:231
111391220,0ptp4l0-21swapper/110:40:231
111391220,0ptp4l0-21swapper/110:12:291
111391220,0ptp4l0-21swapper/109:55:121
111391220,0ptp4l0-21swapper/109:52:111
111391220,0ptp4l0-21swapper/109:36:151
111391220,0ptp4l0-21swapper/109:19:241
111391220,0ptp4l0-21swapper/109:06:331
111391220,0ptp4l0-21swapper/108:55:191
111391220,0ptp4l0-21swapper/108:50:171
111391220,0ptp4l0-21swapper/108:45:011
111391220,0ptp4l0-21swapper/108:38:461
111391220,0ptp4l0-21swapper/108:30:131
111391220,0ptp4l0-21swapper/107:57:571
111391220,0ptp4l0-21swapper/107:50:181
111391220,0ptp4l0-21swapper/107:35:121
111391220,0ptp4l0-21swapper/107:32:561
111391220,0ptp4l0-21swapper/107:21:451
111391220,0ptp4l0-21swapper/012:00:160
111391220,0ptp4l0-21swapper/010:31:210
111391220,0ptp4l0-21swapper/009:40:520
111391220,0ptp4l0-21swapper/008:45:150
111391220,0ptp4l0-21swapper/008:35:190
111391220,0ptp4l0-21swapper/007:45:110
91902210,0sleep60-21swapper/611:54:596
111391210,2ptp4l0-21swapper/111:54:181
111391210,0ptp4l0-21swapper/712:27:597
111391210,0ptp4l0-21swapper/710:11:377
111391210,0ptp4l0-21swapper/709:41:557
111391210,0ptp4l0-21swapper/709:17:347
111391210,0ptp4l0-21swapper/612:20:336
111391210,0ptp4l0-21swapper/611:34:496
111391210,0ptp4l0-21swapper/609:21:496
111391210,0ptp4l0-21swapper/511:54:435
111391210,0ptp4l0-21swapper/511:32:255
111391210,0ptp4l0-21swapper/511:20:525
111391210,0ptp4l0-21swapper/510:19:245
111391210,0ptp4l0-21swapper/509:52:055
111391210,0ptp4l0-21swapper/509:11:075
111391210,0ptp4l0-21swapper/507:33:125
111391210,0ptp4l0-21swapper/412:21:054
111391210,0ptp4l0-21swapper/408:20:144
111391210,0ptp4l0-21swapper/408:10:204
111391210,0ptp4l0-21swapper/407:13:424
111391210,0ptp4l0-21swapper/310:05:103
111391210,0ptp4l0-21swapper/210:08:422
111391210,0ptp4l0-21swapper/209:21:472
111391210,0ptp4l0-21swapper/112:04:311
111391210,0ptp4l0-21swapper/111:39:541
111391210,0ptp4l0-21swapper/111:00:291
111391210,0ptp4l0-21swapper/110:45:191
111391210,0ptp4l0-21swapper/110:01:551
111391210,0ptp4l0-21swapper/109:48:341
111391210,0ptp4l0-21swapper/109:22:451
111391210,0ptp4l0-21swapper/108:40:151
111391210,0ptp4l0-21swapper/108:10:121
111391210,0ptp4l0-21swapper/108:08:071
111391210,0ptp4l0-21swapper/108:00:161
111391210,0ptp4l0-21swapper/108:00:161
111391210,0ptp4l0-21swapper/107:49:091
111391210,0ptp4l0-21swapper/107:42:571
111391210,0ptp4l0-21swapper/008:58:580
111391210,0ptp4l0-21swapper/008:10:150
111391200,1ptp4l6318-21sshd08:28:074
111391200,0ptp4l0-21swapper/711:32:447
111391200,0ptp4l0-21swapper/707:52:457
111391200,0ptp4l0-21swapper/612:36:196
111391200,0ptp4l0-21swapper/611:57:066
111391200,0ptp4l0-21swapper/611:37:456
111391200,0ptp4l0-21swapper/511:28:295
111391200,0ptp4l0-21swapper/511:00:325
111391200,0ptp4l0-21swapper/509:19:015
111391200,0ptp4l0-21swapper/507:37:215
111391200,0ptp4l0-21swapper/507:16:435
111391200,0ptp4l0-21swapper/312:27:583
111391200,0ptp4l0-21swapper/312:08:483
111391200,0ptp4l0-21swapper/311:43:293
111391200,0ptp4l0-21swapper/310:11:313
111391200,0ptp4l0-21swapper/309:17:113
111391200,0ptp4l0-21swapper/212:20:312
111391200,0ptp4l0-21swapper/211:34:472
111391200,0ptp4l0-21swapper/111:31:131
111391200,0ptp4l0-21swapper/110:19:121
111391200,0ptp4l0-21swapper/008:51:460
111391190,1ptp4l33-21ksoftirqd/211:18:202
111391190,1ptp4l0-21swapper/008:16:000
111391190,0ptp4l0-21swapper/612:10:536
111391190,0ptp4l0-21swapper/610:18:096
111391190,0ptp4l0-21swapper/610:08:416
111391190,0ptp4l0-21swapper/607:28:476
111391190,0ptp4l0-21swapper/510:27:525
111391190,0ptp4l0-21swapper/509:49:315
111391190,0ptp4l0-21swapper/508:06:455
111391190,0ptp4l0-21swapper/507:44:145
111391190,0ptp4l0-21swapper/408:51:424
111391190,0ptp4l0-21swapper/309:54:093
111391190,0ptp4l0-21swapper/307:51:423
111391190,0ptp4l0-21swapper/210:56:012
111391190,0ptp4l0-21swapper/210:17:502
111391190,0ptp4l0-21swapper/008:28:080
111391180,0ptp4l0-21swapper/712:34:487
111391180,0ptp4l0-21swapper/710:04:597
111391180,0ptp4l0-21swapper/610:56:036
111391180,0ptp4l0-21swapper/610:39:086
111391180,0ptp4l0-21swapper/211:37:412
111391180,0ptp4l0-21swapper/008:34:260
111391170,0ptp4l0-21swapper/309:41:553
111391170,0ptp4l0-21swapper/210:40:082
111391170,0ptp4l0-21swapper/210:40:082
111391170,0ptp4l0-21swapper/107:27:181
111391160,1ptp4l30031-21/usr/sbin/munin08:10:156
111391160,0ptp4l0-21swapper/507:21:395
111391160,0ptp4l0-21swapper/310:04:583
111391160,0ptp4l0-21swapper/309:04:273
111391160,0ptp4l0-21swapper/210:39:102
111391160,0ptp4l0-21swapper/110:27:511
111391160,0ptp4l0-21swapper/107:16:171
111391150,0ptp4l0-21swapper/708:38:587
111391150,0ptp4l0-21swapper/707:58:197
111391150,0ptp4l0-21swapper/611:18:206
111391150,0ptp4l0-21swapper/609:06:076
111391150,0ptp4l0-21swapper/608:43:446
111391150,0ptp4l0-21swapper/608:33:196
111391150,0ptp4l0-21swapper/607:21:546
111391150,0ptp4l0-21swapper/509:03:485
111391150,0ptp4l0-21swapper/508:46:235
111391150,0ptp4l0-21swapper/507:55:025
111391150,0ptp4l0-21swapper/312:34:463
111391150,0ptp4l0-21swapper/311:32:493
111391150,0ptp4l0-21swapper/308:38:573
111391150,0ptp4l0-21swapper/308:05:593
111391150,0ptp4l0-21swapper/308:00:023
111391150,0ptp4l0-21swapper/308:00:013
111391150,0ptp4l0-21swapper/307:58:203
111391150,0ptp4l0-21swapper/208:05:032
111391150,0ptp4l0-21swapper/207:45:372
111391150,0ptp4l0-21swapper/207:38:512
111391150,0ptp4l0-21swapper/207:34:492
111391150,0ptp4l0-21swapper/207:28:362
111391150,0ptp4l0-21swapper/207:21:542
111391150,0ptp4l0-21swapper/109:01:501
173599140,13cyclictest0-21swapper/710:53:527
173599140,13cyclictest0-21swapper/710:40:307
173599140,13cyclictest0-21swapper/710:40:307
111391140,0ptp4l0-21swapper/709:04:267
111391140,0ptp4l0-21swapper/708:05:567
111391140,0ptp4l0-21swapper/708:00:027
111391140,0ptp4l0-21swapper/708:00:027
111391140,0ptp4l0-21swapper/609:58:526
111391140,0ptp4l0-21swapper/608:37:426
111391140,0ptp4l0-21swapper/607:40:256
111391140,0ptp4l0-21swapper/607:38:496
111391140,0ptp4l0-21swapper/607:34:506
111391140,0ptp4l0-21swapper/212:10:562
111391140,0ptp4l0-21swapper/209:06:052
111391140,0ptp4l0-21swapper/208:42:382
111391140,0ptp4l0-21swapper/207:55:302
111391140,0ptp4l0-21swapper/207:40:242
173599130,9cyclictest13946-21cpuspeed_turbos08:45:117
173599130,12cyclictest0-21swapper/711:23:407
173599130,12cyclictest0-21swapper/711:09:357
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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