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2026-09-14 - 22:16

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 Sep 14, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,5ptp4l0-21swapper/407:07:044
111391620,5ptp4l0-21swapper/007:08:270
319412610,0sleep00-21swapper/012:15:030
591826050,6sleep70-21swapper/707:09:137
594225443,6sleep20-21swapper/207:09:322
580725131,6sleep50-21swapper/507:07:425
111391510,5ptp4l0-21swapper/107:05:001
596724838,6sleep60-21swapper/607:09:456
566824636,6sleep30-21swapper/307:05:573
111391340,0ptp4l0-21swapper/111:00:171
111391330,0ptp4l0-21swapper/010:38:190
111391320,1ptp4l22366-21smartctl11:15:140
111391320,1ptp4l10282-21sh11:44:561
111391320,0ptp4l0-21swapper/409:20:184
111391310,0ptp4l0-21swapper/511:05:115
111391310,0ptp4l0-21swapper/010:10:270
111391300,4ptp4l0-21swapper/010:59:060
111391300,0ptp4l0-21swapper/410:35:224
111391300,0ptp4l0-21swapper/110:04:421
111391300,0ptp4l0-21swapper/011:12:230
111391300,0ptp4l0-21swapper/009:30:010
111391290,2ptp4l0-21swapper/709:35:197
111391290,0ptp4l0-21swapper/511:41:545
111391290,0ptp4l0-21swapper/509:20:535
111391290,0ptp4l0-21swapper/412:09:244
111391290,0ptp4l0-21swapper/411:21:404
111391290,0ptp4l0-21swapper/411:21:394
111391290,0ptp4l0-21swapper/410:09:544
111391290,0ptp4l0-21swapper/409:41:594
111391290,0ptp4l0-21swapper/408:10:214
111391290,0ptp4l0-21swapper/109:30:081
111391290,0ptp4l0-21swapper/010:51:030
111391290,0ptp4l0-21swapper/009:17:170
111391280,6ptp4l0-21swapper/410:53:024
111391280,4ptp4l0-21swapper/010:41:080
111391280,0ptp4l0-21swapper/612:17:126
111391280,0ptp4l0-21swapper/412:32:384
111391280,0ptp4l0-21swapper/412:25:154
111391280,0ptp4l0-21swapper/411:51:504
111391280,0ptp4l0-21swapper/411:30:344
111391280,0ptp4l0-21swapper/411:07:524
111391280,0ptp4l0-21swapper/410:41:364
111391280,0ptp4l0-21swapper/410:24:274
111391280,0ptp4l0-21swapper/410:00:044
111391280,0ptp4l0-21swapper/310:10:423
111391280,0ptp4l0-21swapper/212:24:522
111391280,0ptp4l0-21swapper/111:27:341
111391280,0ptp4l0-21swapper/109:48:321
111391280,0ptp4l0-21swapper/009:45:480
111391270,2ptp4l0-21swapper/010:21:250
111391270,1ptp4l0-21swapper/409:51:314
111391270,0ptp4l0-21swapper/412:12:344
111391270,0ptp4l0-21swapper/411:28:524
111391270,0ptp4l0-21swapper/411:03:504
111391270,0ptp4l0-21swapper/410:25:174
111391270,0ptp4l0-21swapper/410:15:374
111391270,0ptp4l0-21swapper/409:12:054
111391270,0ptp4l0-21swapper/408:20:204
111391270,0ptp4l0-21swapper/111:31:461
111391270,0ptp4l0-21swapper/111:23:291
111391270,0ptp4l0-21swapper/111:23:281
111391270,0ptp4l0-21swapper/109:58:191
111391270,0ptp4l0-21swapper/012:14:540
111391270,0ptp4l0-21swapper/010:16:280
111391270,0ptp4l0-21swapper/009:29:440
111391260,1ptp4l6879-21cpuspeed_turbos12:25:110
111391260,1ptp4l679-21irqrtprio11:30:156
111391260,0ptp4l0-21swapper/512:33:235
111391260,0ptp4l0-21swapper/510:14:015
111391260,0ptp4l0-21swapper/509:10:115
111391260,0ptp4l0-21swapper/412:39:494
111391260,0ptp4l0-21swapper/412:19:024
111391260,0ptp4l0-21swapper/411:55:194
111391260,0ptp4l0-21swapper/411:15:144
111391260,0ptp4l0-21swapper/409:58:334
111391260,0ptp4l0-21swapper/409:34:214
111391260,0ptp4l0-21swapper/112:11:401
111391260,0ptp4l0-21swapper/111:48:411
111391260,0ptp4l0-21swapper/110:19:241
111391260,0ptp4l0-21swapper/109:21:191
111391260,0ptp4l0-21swapper/107:45:101
111391260,0ptp4l0-21swapper/010:48:310
111391260,0ptp4l0-21swapper/010:30:000
111391250,1ptp4l26278-21df_inode10:35:151
111391250,1ptp4l16763-21memory08:40:154
111391250,1ptp4l16763-21memory08:40:144
111391250,0ptp4l0-21swapper/511:22:045
111391250,0ptp4l0-21swapper/511:22:045
111391250,0ptp4l0-21swapper/509:30:115
111391250,0ptp4l0-21swapper/508:55:105
111391250,0ptp4l0-21swapper/411:47:264
111391250,0ptp4l0-21swapper/411:12:174
111391250,0ptp4l0-21swapper/409:45:544
111391250,0ptp4l0-21swapper/409:05:154
111391250,0ptp4l0-21swapper/407:45:184
111391250,0ptp4l0-21swapper/211:30:012
111391250,0ptp4l0-21swapper/111:51:381
111391250,0ptp4l0-21swapper/110:14:011
111391250,0ptp4l0-21swapper/109:11:101
111391250,0ptp4l0-21swapper/108:00:151
111391250,0ptp4l0-21swapper/012:02:440
111391250,0ptp4l0-21swapper/011:24:400
111391250,0ptp4l0-21swapper/011:24:400
111391250,0ptp4l0-21swapper/010:01:150
111391250,0ptp4l0-21swapper/009:59:410
111391240,1ptp4l25931-21memory09:00:164
111391240,1ptp4l23075-21uname10:30:150
111391240,1ptp4l15658-21memory11:05:160
111391240,0ptp4l0-21swapper/609:34:336
111391240,0ptp4l0-21swapper/512:08:465
111391240,0ptp4l0-21swapper/511:50:015
111391240,0ptp4l0-21swapper/511:25:125
111391240,0ptp4l0-21swapper/510:19:245
111391240,0ptp4l0-21swapper/510:05:075
111391240,0ptp4l0-21swapper/509:55:175
111391240,0ptp4l0-21swapper/508:55:015
111391240,0ptp4l0-21swapper/411:41:304
111391240,0ptp4l0-21swapper/411:37:024
111391240,0ptp4l0-21swapper/410:13:084
111391240,0ptp4l0-21swapper/409:36:334
111391240,0ptp4l0-21swapper/409:15:164
111391240,0ptp4l0-21swapper/408:35:154
111391240,0ptp4l0-21swapper/408:30:034
111391240,0ptp4l0-21swapper/309:35:143
111391240,0ptp4l0-21swapper/112:25:381
111391240,0ptp4l0-21swapper/112:23:571
111391240,0ptp4l0-21swapper/111:39:011
111391240,0ptp4l0-21swapper/111:07:221
111391240,0ptp4l0-21swapper/110:46:281
111391240,0ptp4l0-21swapper/110:05:131
111391240,0ptp4l0-21swapper/109:52:491
111391240,0ptp4l0-21swapper/109:36:211
111391240,0ptp4l0-21swapper/107:34:391
111391240,0ptp4l0-21swapper/107:11:231
111391240,0ptp4l0-21swapper/011:45:180
111391240,0ptp4l0-21swapper/011:40:140
111391240,0ptp4l0-21swapper/009:50:140
111391240,0ptp4l0-21swapper/007:40:120
111391230,1ptp4l4771-21ssh09:20:050
111391230,1ptp4l3600-21latency_hist11:35:010
111391230,1ptp4l22301-21/usr/sbin/munin12:00:164
111391230,1ptp4l19402-21ssh11:10:151
111391230,1ptp4l18979-21sendmail_mailst11:55:180
111391230,1ptp4l11404-21/usr/sbin/munin08:30:110
111391230,1ptp4l0-21swapper/410:56:284
111391230,0ptp4l0-21swapper/712:30:127
111391230,0ptp4l0-21swapper/608:55:196
111391230,0ptp4l0-21swapper/512:23:585
111391230,0ptp4l0-21swapper/511:50:195
111391230,0ptp4l0-21swapper/510:46:285
111391230,0ptp4l0-21swapper/510:04:335
111391230,0ptp4l0-21swapper/509:50:485
111391230,0ptp4l0-21swapper/509:25:145
111391230,0ptp4l0-21swapper/507:50:135
111391230,0ptp4l0-21swapper/412:20:194
111391230,0ptp4l0-21swapper/410:48:424
111391230,0ptp4l0-21swapper/410:30:104
111391230,0ptp4l0-21swapper/409:27:374
111391230,0ptp4l0-21swapper/408:45:104
111391230,0ptp4l0-21swapper/407:55:164
111391230,0ptp4l0-21swapper/407:55:014
111391230,0ptp4l0-21swapper/407:25:144
111391230,0ptp4l0-21swapper/407:10:164
111391230,0ptp4l0-21swapper/212:25:192
111391230,0ptp4l0-21swapper/111:56:161
111391230,0ptp4l0-21swapper/110:50:191
111391230,0ptp4l0-21swapper/110:43:371
111391230,0ptp4l0-21swapper/109:42:021
111391230,0ptp4l0-21swapper/109:25:141
111391230,0ptp4l0-21swapper/109:15:341
111391230,0ptp4l0-21swapper/108:55:111
111391230,0ptp4l0-21swapper/108:25:161
111391230,0ptp4l0-21swapper/108:12:371
111391230,0ptp4l0-21swapper/108:05:161
111391230,0ptp4l0-21swapper/107:50:201
111391230,0ptp4l0-21swapper/107:40:161
111391230,0ptp4l0-21swapper/107:15:151
111391230,0ptp4l0-21swapper/012:35:220
111391230,0ptp4l0-21swapper/012:20:140
111391230,0ptp4l0-21swapper/012:05:160
111391230,0ptp4l0-21swapper/009:40:110
111391230,0ptp4l0-21swapper/009:12:390
111391230,0ptp4l0-21swapper/009:05:000
111391230,0ptp4l0-21swapper/008:35:150
111391230,0ptp4l0-21swapper/008:25:180
111391230,0ptp4l0-21swapper/008:15:210
111391230,0ptp4l0-21swapper/008:10:200
111391230,0ptp4l0-21swapper/008:10:000
111391230,0ptp4l0-21swapper/007:19:410
111391220,1ptp4l28093-21ssh10:37:006
111391220,0ptp4l0-21swapper/710:10:507
111391220,0ptp4l0-21swapper/709:32:327
111391220,0ptp4l0-21swapper/707:35:137
111391220,0ptp4l0-21swapper/610:58:456
111391220,0ptp4l0-21swapper/512:36:365
111391220,0ptp4l0-21swapper/512:26:355
111391220,0ptp4l0-21swapper/512:15:165
111391220,0ptp4l0-21swapper/511:55:425
111391220,0ptp4l0-21swapper/511:39:385
111391220,0ptp4l0-21swapper/511:32:355
111391220,0ptp4l0-21swapper/511:10:115
111391220,0ptp4l0-21swapper/511:00:155
111391220,0ptp4l0-21swapper/510:58:305
111391220,0ptp4l0-21swapper/510:54:175
111391220,0ptp4l0-21swapper/510:41:145
111391220,0ptp4l0-21swapper/510:35:155
111391220,0ptp4l0-21swapper/510:34:045
111391220,0ptp4l0-21swapper/510:25:535
111391220,0ptp4l0-21swapper/510:20:015
111391220,0ptp4l0-21swapper/509:46:385
111391220,0ptp4l0-21swapper/509:41:145
111391220,0ptp4l0-21swapper/509:36:245
111391220,0ptp4l0-21swapper/509:18:375
111391220,0ptp4l0-21swapper/509:05:185
111391220,0ptp4l0-21swapper/508:25:125
111391220,0ptp4l0-21swapper/508:05:175
111391220,0ptp4l0-21swapper/508:00:145
111391220,0ptp4l0-21swapper/507:30:105
111391220,0ptp4l0-21swapper/507:15:485
111391220,0ptp4l0-21swapper/408:50:114
111391220,0ptp4l0-21swapper/407:20:184
111391220,0ptp4l0-21swapper/309:32:243
111391220,0ptp4l0-21swapper/307:35:133
111391220,0ptp4l0-21swapper/211:52:192
111391220,0ptp4l0-21swapper/211:30:142
111391220,0ptp4l0-21swapper/211:12:552
111391220,0ptp4l0-21swapper/208:55:172
111391220,0ptp4l0-21swapper/112:37:351
111391220,0ptp4l0-21swapper/112:32:031
111391220,0ptp4l0-21swapper/112:15:161
111391220,0ptp4l0-21swapper/112:05:201
111391220,0ptp4l0-21swapper/111:15:121
111391220,0ptp4l0-21swapper/110:32:041
111391220,0ptp4l0-21swapper/110:25:371
111391220,0ptp4l0-21swapper/110:24:301
111391220,0ptp4l0-21swapper/108:54:381
111391220,0ptp4l0-21swapper/108:37:281
111391220,0ptp4l0-21swapper/108:20:011
111391220,0ptp4l0-21swapper/107:35:001
111391220,0ptp4l0-21swapper/012:30:150
111391220,0ptp4l0-21swapper/011:50:430
111391220,0ptp4l0-21swapper/011:35:150
111391220,0ptp4l0-21swapper/011:26:170
111391220,0ptp4l0-21swapper/011:00:360
111391220,0ptp4l0-21swapper/010:05:350
111391220,0ptp4l0-21swapper/009:35:010
111391220,0ptp4l0-21swapper/009:05:170
111391220,0ptp4l0-21swapper/008:55:160
111391220,0ptp4l0-21swapper/008:45:180
111391220,0ptp4l0-21swapper/008:40:120
111391220,0ptp4l0-21swapper/008:40:110
111391220,0ptp4l0-21swapper/007:55:010
111391220,0ptp4l0-21swapper/007:45:160
111391220,0ptp4l0-21swapper/007:30:140
111391220,0ptp4l0-21swapper/007:25:110
111391220,0ptp4l0-21swapper/007:20:130
111391220,0ptp4l0-21swapper/007:10:130
111391210,0ptp4l49-21ksoftirqd/407:15:134
111391210,0ptp4l0-21swapper/712:24:237
111391210,0ptp4l0-21swapper/611:52:276
111391210,0ptp4l0-21swapper/611:17:386
111391210,0ptp4l0-21swapper/611:12:586
111391210,0ptp4l0-21swapper/610:46:456
111391210,0ptp4l0-21swapper/512:11:415
111391210,0ptp4l0-21swapper/512:01:175
111391210,0ptp4l0-21swapper/507:46:425
111391210,0ptp4l0-21swapper/408:25:194
111391210,0ptp4l0-21swapper/408:15:004
111391210,0ptp4l0-21swapper/407:40:014
111391210,0ptp4l0-21swapper/407:30:134
111391210,0ptp4l0-21swapper/312:30:103
111391210,0ptp4l0-21swapper/211:37:362
111391210,0ptp4l0-21swapper/210:42:232
111391210,0ptp4l0-21swapper/209:34:372
111391210,0ptp4l0-21swapper/112:02:161
111391210,0ptp4l0-21swapper/110:56:281
111391210,0ptp4l0-21swapper/109:08:341
111391210,0ptp4l0-21swapper/109:04:411
111391210,0ptp4l0-21swapper/108:45:271
111391210,0ptp4l0-21swapper/107:59:421
111391210,0ptp4l0-21swapper/107:27:131
111391210,0ptp4l0-21swapper/008:50:120
111391210,0ptp4l0-21swapper/008:20:110
111391210,0ptp4l0-21swapper/008:00:320
111391210,0ptp4l0-21swapper/007:53:220
111391200,0ptp4l0-21swapper/612:25:246
111391200,0ptp4l0-21swapper/612:21:526
111391200,0ptp4l0-21swapper/508:49:325
111391200,0ptp4l0-21swapper/508:22:325
111391200,0ptp4l0-21swapper/508:17:195
111391200,0ptp4l0-21swapper/408:59:594
111391200,0ptp4l0-21swapper/308:56:063
111391200,0ptp4l0-21swapper/211:17:372
111391200,0ptp4l0-21swapper/210:58:352
111391200,0ptp4l0-21swapper/210:46:412
111391200,0ptp4l0-21swapper/108:41:051
111391200,0ptp4l0-21swapper/108:41:041
111391200,0ptp4l0-21swapper/007:35:310
111391190,2ptp4l0-21swapper/608:35:556
111391190,0ptp4l0-21swapper/611:37:406
111391190,0ptp4l0-21swapper/507:59:545
111391190,0ptp4l0-21swapper/507:36:355
111391190,0ptp4l0-21swapper/507:21:145
111391190,0ptp4l0-21swapper/408:06:554
111391190,0ptp4l0-21swapper/407:36:494
111391190,0ptp4l0-21swapper/212:17:032
111391190,0ptp4l0-21swapper/210:38:512
111391190,0ptp4l0-21swapper/209:22:592
183992180,0sleep6631rcuc/611:55:156
111391180,1ptp4l0-21swapper/108:16:251
111391180,0ptp4l0-21swapper/507:11:335
111391180,0ptp4l0-21swapper/408:04:554
111391180,0ptp4l0-21swapper/212:34:042
111391180,0ptp4l0-21swapper/210:32:432
111391180,0ptp4l0-21swapper/209:53:152
111391180,0ptp4l0-21swapper/209:48:122
111391180,0ptp4l0-21swapper/208:44:472
111391180,0ptp4l0-21swapper/208:44:462
111391180,0ptp4l0-21swapper/108:33:261
111391170,0ptp4l0-21swapper/610:32:446
111391170,0ptp4l0-21swapper/610:01:456
111391170,0ptp4l0-21swapper/608:44:466
111391170,0ptp4l0-21swapper/608:44:456
111391170,0ptp4l0-21swapper/607:42:216
111391170,0ptp4l0-21swapper/211:23:182
111391170,0ptp4l0-21swapper/211:23:172
111391170,0ptp4l0-21swapper/207:44:192
111391160,2ptp4l321ktimersoftd/209:00:452
111391160,0ptp4l0-21swapper/708:55:597
111391160,0ptp4l0-21swapper/607:24:166
111391160,0ptp4l0-21swapper/607:16:326
111391160,0ptp4l0-21swapper/511:18:255
111391160,0ptp4l0-21swapper/509:03:545
111391160,0ptp4l0-21swapper/508:40:445
111391160,0ptp4l0-21swapper/508:40:445
111391160,0ptp4l0-21swapper/507:26:375
111391150,0ptp4l0-21swapper/709:06:017
111391150,0ptp4l0-21swapper/708:48:247
111391150,0ptp4l0-21swapper/612:34:046
111391150,0ptp4l0-21swapper/611:29:586
111391150,0ptp4l0-21swapper/609:53:146
111391150,0ptp4l0-21swapper/609:22:596
111391150,0ptp4l0-21swapper/609:00:526
111391150,0ptp4l0-21swapper/608:53:516
111391150,0ptp4l0-21swapper/608:48:346
111391150,0ptp4l0-21swapper/608:27:186
111391150,0ptp4l0-21swapper/608:15:356
111391150,0ptp4l0-21swapper/608:12:476
111391150,0ptp4l0-21swapper/607:54:126
111391150,0ptp4l0-21swapper/607:45:576
111391150,0ptp4l0-21swapper/508:30:485
111391150,0ptp4l0-21swapper/309:06:013
111391150,0ptp4l0-21swapper/308:48:223
111391150,0ptp4l0-21swapper/208:48:302
111391150,0ptp4l0-21swapper/208:35:532
111391150,0ptp4l0-21swapper/208:27:202
111391150,0ptp4l0-21swapper/208:21:032
111391150,0ptp4l0-21swapper/208:15:372
111391150,0ptp4l0-21swapper/208:12:482
111391150,0ptp4l0-21swapper/207:45:562
111391150,0ptp4l0-21swapper/207:19:232
111391150,0ptp4l0-21swapper/207:14:492
111391150,0ptp4l0-21swapper/107:23:041
111391140,0ptp4l0-21swapper/710:49:417
111391140,0ptp4l0-21swapper/708:11:447
111391140,0ptp4l0-21swapper/611:23:196
111391140,0ptp4l0-21swapper/611:23:186
111391140,0ptp4l0-21swapper/608:21:036
111391140,0ptp4l0-21swapper/508:12:415
111391140,0ptp4l0-21swapper/308:11:443
111391140,0ptp4l0-21swapper/210:01:442
111391140,0ptp4l0-21swapper/209:16:142
111391140,0ptp4l0-21swapper/208:53:422
111391140,0ptp4l0-21swapper/208:31:562
111391140,0ptp4l0-21swapper/208:04:192
111391140,0ptp4l0-21swapper/207:54:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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