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2026-08-19 - 23:38

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 Aug 19, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
128002950,2sleep5561ktimersoftd/507:08:365
111391640,5ptp4l0-21swapper/207:05:552
111391610,5ptp4l0-21swapper/007:08:420
1281926038,6sleep40-21swapper/407:08:534
111391600,29ptp4l0-21swapper/107:09:161
111391530,14ptp4l0-21swapper/607:06:576
1278924837,7sleep30-21swapper/307:08:283
1100124838,6sleep70-21swapper/707:05:117
111391360,0ptp4l0-21swapper/109:50:161
111391350,0ptp4l0-21swapper/107:59:591
111391330,0ptp4l0-21swapper/509:34:365
111391330,0ptp4l0-21swapper/109:19:221
111391320,0ptp4l0-21swapper/511:04:265
111391320,0ptp4l0-21swapper/110:48:211
111391320,0ptp4l0-21swapper/009:49:100
111391310,0ptp4l0-21swapper/012:33:390
111391310,0ptp4l0-21swapper/009:15:160
111391310,0ptp4l0-21swapper/009:10:200
111391300,0ptp4l0-21swapper/210:15:222
111391300,0ptp4l0-21swapper/108:36:241
111391300,0ptp4l0-21swapper/107:29:591
111391300,0ptp4l0-21swapper/012:39:210
111391300,0ptp4l0-21swapper/011:57:210
111391300,0ptp4l0-21swapper/011:02:290
111391300,0ptp4l0-21swapper/009:21:250
111391290,0ptp4l0-21swapper/512:21:035
111391290,0ptp4l0-21swapper/511:32:455
111391290,0ptp4l0-21swapper/511:32:455
111391290,0ptp4l0-21swapper/211:38:312
111391290,0ptp4l0-21swapper/211:10:172
111391290,0ptp4l0-21swapper/112:10:161
111391290,0ptp4l0-21swapper/111:00:531
111391290,0ptp4l0-21swapper/110:57:261
111391290,0ptp4l0-21swapper/110:51:531
111391290,0ptp4l0-21swapper/110:43:331
111391290,0ptp4l0-21swapper/012:25:100
111391290,0ptp4l0-21swapper/012:02:130
111391290,0ptp4l0-21swapper/009:30:120
111391280,0ptp4l0-21swapper/510:59:495
111391280,0ptp4l0-21swapper/510:03:305
111391280,0ptp4l0-21swapper/311:35:523
111391280,0ptp4l0-21swapper/112:18:491
111391280,0ptp4l0-21swapper/111:15:431
111391280,0ptp4l0-21swapper/110:24:351
111391280,0ptp4l0-21swapper/110:16:561
111391280,0ptp4l0-21swapper/010:22:000
111391280,0ptp4l0-21swapper/010:06:570
111391280,0ptp4l0-21swapper/009:43:400
111391270,0ptp4l0-21swapper/712:32:447
111391270,0ptp4l0-21swapper/410:19:134
111391270,0ptp4l0-21swapper/112:00:121
111391270,0ptp4l0-21swapper/010:18:480
111391260,1ptp4l9782-21irqstats08:10:155
111391260,0ptp4l0-21swapper/507:45:155
111391260,0ptp4l0-21swapper/111:52:351
111391260,0ptp4l0-21swapper/111:22:221
111391260,0ptp4l0-21swapper/110:09:011
111391260,0ptp4l0-21swapper/109:27:441
111391260,0ptp4l0-21swapper/010:54:100
111391260,0ptp4l0-21swapper/010:30:090
111391260,0ptp4l0-21swapper/010:13:130
111391260,0ptp4l0-21swapper/009:57:560
111391260,0ptp4l0-21swapper/009:25:400
111391250,1ptp4l32372-21hddtemp_smartct09:00:135
111391250,0ptp4l0-21swapper/512:30:125
111391250,0ptp4l0-21swapper/511:12:065
111391250,0ptp4l0-21swapper/510:40:125
111391250,0ptp4l0-21swapper/508:40:075
111391250,0ptp4l0-21swapper/411:40:144
111391250,0ptp4l0-21swapper/410:14:564
111391250,0ptp4l0-21swapper/410:00:214
111391250,0ptp4l0-21swapper/408:55:114
111391250,0ptp4l0-21swapper/210:35:002
111391250,0ptp4l0-21swapper/111:35:181
111391250,0ptp4l0-21swapper/111:34:151
111391250,0ptp4l0-21swapper/111:34:141
111391250,0ptp4l0-21swapper/111:06:011
111391250,0ptp4l0-21swapper/109:45:491
111391250,0ptp4l0-21swapper/109:36:401
111391250,0ptp4l0-21swapper/108:10:141
111391250,0ptp4l0-21swapper/011:44:130
111391250,0ptp4l0-21swapper/011:20:200
111391250,0ptp4l0-21swapper/010:28:540
111391250,0ptp4l0-21swapper/008:55:120
111391250,0ptp4l0-21swapper/008:50:210
111391250,0ptp4l0-21swapper/008:50:200
111391250,0ptp4l0-21swapper/008:19:150
111391250,0ptp4l0-21swapper/008:06:310
111391240,1ptp4l8386-21/usr/sbin/munin09:15:144
111391240,1ptp4l6113-21users12:15:224
111391240,1ptp4l5937-21if_enp0s2511:30:130
111391240,1ptp4l5937-21if_enp0s2511:30:130
111391240,1ptp4l3943-21diskmemload09:50:165
111391240,1ptp4l30103-21cpuspeed_turbos12:05:110
111391240,1ptp4l17475-21users11:45:180
111391240,1ptp4l11088-21/usr/sbin/munin10:05:172
111391240,0ptp4l49-21ksoftirqd/411:50:104
111391240,0ptp4l0-21swapper/710:37:117
111391240,0ptp4l0-21swapper/709:24:007
111391240,0ptp4l0-21swapper/512:20:015
111391240,0ptp4l0-21swapper/512:00:195
111391240,0ptp4l0-21swapper/510:33:155
111391240,0ptp4l0-21swapper/510:15:135
111391240,0ptp4l0-21swapper/507:36:015
111391240,0ptp4l0-21swapper/507:30:135
111391240,0ptp4l0-21swapper/411:30:154
111391240,0ptp4l0-21swapper/411:30:144
111391240,0ptp4l0-21swapper/411:20:154
111391240,0ptp4l0-21swapper/411:15:124
111391240,0ptp4l0-21swapper/410:56:314
111391240,0ptp4l0-21swapper/410:20:124
111391240,0ptp4l0-21swapper/409:57:524
111391240,0ptp4l0-21swapper/409:13:004
111391240,0ptp4l0-21swapper/408:05:224
111391240,0ptp4l0-21swapper/407:20:144
111391240,0ptp4l0-21swapper/407:15:124
111391240,0ptp4l0-21swapper/112:30:161
111391240,0ptp4l0-21swapper/112:21:201
111391240,0ptp4l0-21swapper/110:30:441
111391240,0ptp4l0-21swapper/110:04:131
111391240,0ptp4l0-21swapper/109:00:161
111391240,0ptp4l0-21swapper/108:00:141
111391240,0ptp4l0-21swapper/012:17:100
111391240,0ptp4l0-21swapper/011:50:120
111391240,0ptp4l0-21swapper/011:19:580
111391240,0ptp4l0-21swapper/011:05:170
111391240,0ptp4l0-21swapper/009:51:320
111391240,0ptp4l0-21swapper/009:01:470
111391240,0ptp4l0-21swapper/008:22:350
111391240,0ptp4l0-21swapper/008:12:310
111391240,0ptp4l0-21swapper/007:15:120
111391230,1ptp4l9441-21if_enp0s2511:35:145
111391230,1ptp4l26374-21irqrtprio09:40:165
111391230,1ptp4l1068-21runrttasks12:04:034
111391230,0ptp4l0-21swapper/712:25:217
111391230,0ptp4l0-21swapper/711:09:277
111391230,0ptp4l0-21swapper/709:35:207
111391230,0ptp4l0-21swapper/611:10:156
111391230,0ptp4l0-21swapper/610:05:186
111391230,0ptp4l0-21swapper/608:30:166
111391230,0ptp4l0-21swapper/512:10:175
111391230,0ptp4l0-21swapper/511:25:165
111391230,0ptp4l0-21swapper/511:21:325
111391230,0ptp4l0-21swapper/511:15:175
111391230,0ptp4l0-21swapper/510:51:345
111391230,0ptp4l0-21swapper/510:25:155
111391230,0ptp4l0-21swapper/510:20:205
111391230,0ptp4l0-21swapper/509:35:135
111391230,0ptp4l0-21swapper/509:20:135
111391230,0ptp4l0-21swapper/509:10:135
111391230,0ptp4l0-21swapper/508:25:135
111391230,0ptp4l0-21swapper/508:20:195
111391230,0ptp4l0-21swapper/507:50:205
111391230,0ptp4l0-21swapper/507:40:175
111391230,0ptp4l0-21swapper/507:25:135
111391230,0ptp4l0-21swapper/507:15:195
111391230,0ptp4l0-21swapper/412:35:124
111391230,0ptp4l0-21swapper/412:27:324
111391230,0ptp4l0-21swapper/412:20:124
111391230,0ptp4l0-21swapper/412:07:504
111391230,0ptp4l0-21swapper/411:45:134
111391230,0ptp4l0-21swapper/411:10:004
111391230,0ptp4l0-21swapper/410:45:214
111391230,0ptp4l0-21swapper/410:40:194
111391230,0ptp4l0-21swapper/410:35:184
111391230,0ptp4l0-21swapper/410:30:204
111391230,0ptp4l0-21swapper/410:25:204
111391230,0ptp4l0-21swapper/409:45:204
111391230,0ptp4l0-21swapper/409:25:144
111391230,0ptp4l0-21swapper/408:55:014
111391230,0ptp4l0-21swapper/408:30:194
111391230,0ptp4l0-21swapper/408:15:204
111391230,0ptp4l0-21swapper/407:45:114
111391230,0ptp4l0-21swapper/407:10:204
111391230,0ptp4l0-21swapper/312:32:303
111391230,0ptp4l0-21swapper/312:25:173
111391230,0ptp4l0-21swapper/309:23:533
111391230,0ptp4l0-21swapper/212:30:532
111391230,0ptp4l0-21swapper/210:59:092
111391230,0ptp4l0-21swapper/112:29:031
111391230,0ptp4l0-21swapper/111:59:561
111391230,0ptp4l0-21swapper/111:25:121
111391230,0ptp4l0-21swapper/111:11:501
111391230,0ptp4l0-21swapper/110:25:091
111391230,0ptp4l0-21swapper/109:20:211
111391230,0ptp4l0-21swapper/109:14:221
111391230,0ptp4l0-21swapper/108:52:391
111391230,0ptp4l0-21swapper/108:52:391
111391230,0ptp4l0-21swapper/108:20:111
111391230,0ptp4l0-21swapper/107:50:181
111391230,0ptp4l0-21swapper/107:45:131
111391230,0ptp4l0-21swapper/107:40:571
111391230,0ptp4l0-21swapper/107:35:111
111391230,0ptp4l0-21swapper/107:25:471
111391230,0ptp4l0-21swapper/107:10:191
111391230,0ptp4l0-21swapper/010:55:170
111391230,0ptp4l0-21swapper/010:40:160
111391230,0ptp4l0-21swapper/010:35:120
111391230,0ptp4l0-21swapper/010:00:200
111391230,0ptp4l0-21swapper/009:38:380
111391230,0ptp4l0-21swapper/009:05:210
111391230,0ptp4l0-21swapper/008:45:310
111391230,0ptp4l0-21swapper/008:42:420
111391230,0ptp4l0-21swapper/008:30:160
111391230,0ptp4l0-21swapper/008:25:140
111391230,0ptp4l0-21swapper/007:45:130
111391230,0ptp4l0-21swapper/007:21:090
111391220,1ptp4l2805-21load09:05:164
111391220,0ptp4l3943-21diskmemload10:09:164
111391220,0ptp4l25836-21ssh11:11:200
111391220,0ptp4l0-21swapper/610:35:016
111391220,0ptp4l0-21swapper/610:15:226
111391220,0ptp4l0-21swapper/609:58:596
111391220,0ptp4l0-21swapper/609:48:176
111391220,0ptp4l0-21swapper/609:42:026
111391220,0ptp4l0-21swapper/609:37:266
111391220,0ptp4l0-21swapper/512:38:225
111391220,0ptp4l0-21swapper/512:28:205
111391220,0ptp4l0-21swapper/511:56:565
111391220,0ptp4l0-21swapper/511:52:335
111391220,0ptp4l0-21swapper/511:42:525
111391220,0ptp4l0-21swapper/510:45:195
111391220,0ptp4l0-21swapper/510:12:295
111391220,0ptp4l0-21swapper/510:09:405
111391220,0ptp4l0-21swapper/509:45:245
111391220,0ptp4l0-21swapper/509:25:115
111391220,0ptp4l0-21swapper/509:18:225
111391220,0ptp4l0-21swapper/508:53:125
111391220,0ptp4l0-21swapper/508:53:115
111391220,0ptp4l0-21swapper/508:35:175
111391220,0ptp4l0-21swapper/508:00:155
111391220,0ptp4l0-21swapper/507:55:105
111391220,0ptp4l0-21swapper/507:21:155
111391220,0ptp4l0-21swapper/507:10:135
111391220,0ptp4l0-21swapper/412:30:194
111391220,0ptp4l0-21swapper/412:10:234
111391220,0ptp4l0-21swapper/411:55:354
111391220,0ptp4l0-21swapper/411:38:394
111391220,0ptp4l0-21swapper/411:27:284
111391220,0ptp4l0-21swapper/411:10:294
111391220,0ptp4l0-21swapper/410:52:304
111391220,0ptp4l0-21swapper/409:41:234
111391220,0ptp4l0-21swapper/409:38:024
111391220,0ptp4l0-21swapper/409:30:144
111391220,0ptp4l0-21swapper/409:21:014
111391220,0ptp4l0-21swapper/408:50:184
111391220,0ptp4l0-21swapper/407:35:184
111391220,0ptp4l0-21swapper/311:09:433
111391220,0ptp4l0-21swapper/310:35:483
111391220,0ptp4l0-21swapper/309:35:203
111391220,0ptp4l0-21swapper/209:51:122
111391220,0ptp4l0-21swapper/209:48:092
111391220,0ptp4l0-21swapper/112:06:271
111391220,0ptp4l0-21swapper/111:47:081
111391220,0ptp4l0-21swapper/111:40:491
111391220,0ptp4l0-21swapper/109:58:141
111391220,0ptp4l0-21swapper/109:40:161
111391220,0ptp4l0-21swapper/109:08:221
111391220,0ptp4l0-21swapper/108:56:101
111391220,0ptp4l0-21swapper/108:45:111
111391220,0ptp4l0-21swapper/108:40:121
111391220,0ptp4l0-21swapper/108:25:181
111391220,0ptp4l0-21swapper/107:15:121
111391220,0ptp4l0-21swapper/012:24:110
111391220,0ptp4l0-21swapper/011:39:240
111391220,0ptp4l0-21swapper/010:45:130
111391220,0ptp4l0-21swapper/007:35:170
111391210,0ptp4l0-21swapper/612:20:286
111391210,0ptp4l0-21swapper/612:01:546
111391210,0ptp4l0-21swapper/611:48:326
111391210,0ptp4l0-21swapper/611:37:496
111391210,0ptp4l0-21swapper/611:02:226
111391210,0ptp4l0-21swapper/610:59:086
111391210,0ptp4l0-21swapper/512:05:575
111391210,0ptp4l0-21swapper/511:05:015
111391210,0ptp4l0-21swapper/509:58:145
111391210,0ptp4l0-21swapper/508:45:205
111391210,0ptp4l0-21swapper/411:02:154
111391210,0ptp4l0-21swapper/409:51:494
111391210,0ptp4l0-21swapper/409:01:004
111391210,0ptp4l0-21swapper/312:03:403
111391210,0ptp4l0-21swapper/212:20:352
111391210,0ptp4l0-21swapper/210:21:472
111391210,0ptp4l0-21swapper/209:37:292
111391210,0ptp4l0-21swapper/209:30:222
111391210,0ptp4l0-21swapper/209:11:082
111391210,0ptp4l0-21swapper/110:10:241
111391210,0ptp4l0-21swapper/109:30:581
111391210,0ptp4l0-21swapper/012:10:320
111391210,0ptp4l0-21swapper/011:27:510
111391210,0ptp4l0-21swapper/007:31:390
111391210,0ptp4l0-21swapper/007:25:000
111391200,0ptp4l0-21swapper/711:35:537
111391200,0ptp4l0-21swapper/612:37:406
111391200,0ptp4l0-21swapper/610:46:296
111391200,0ptp4l0-21swapper/610:34:576
111391200,0ptp4l0-21swapper/609:50:466
111391200,0ptp4l0-21swapper/609:16:476
111391200,0ptp4l0-21swapper/511:49:215
111391200,0ptp4l0-21swapper/509:05:125
111391200,0ptp4l0-21swapper/508:32:525
111391200,0ptp4l0-21swapper/408:49:564
111391200,0ptp4l0-21swapper/407:41:394
111391200,0ptp4l0-21swapper/407:33:014
111391200,0ptp4l0-21swapper/311:30:433
111391200,0ptp4l0-21swapper/311:30:433
111391200,0ptp4l0-21swapper/212:37:372
111391200,0ptp4l0-21swapper/211:51:352
111391200,0ptp4l0-21swapper/211:46:112
111391200,0ptp4l0-21swapper/211:31:542
111391200,0ptp4l0-21swapper/211:31:532
111391200,0ptp4l0-21swapper/210:44:022
111391200,0ptp4l0-21swapper/210:28:072
111391200,0ptp4l0-21swapper/209:16:372
111391200,0ptp4l0-21swapper/108:34:391
111391200,0ptp4l0-21swapper/008:35:220
111391200,0ptp4l0-21swapper/007:55:550
111391200,0ptp4l0-21swapper/007:10:380
111391190,0ptp4l0-21swapper/712:12:417
111391190,0ptp4l0-21swapper/612:26:086
111391190,0ptp4l0-21swapper/611:18:286
111391190,0ptp4l0-21swapper/610:28:126
111391190,0ptp4l0-21swapper/609:11:096
111391190,0ptp4l0-21swapper/608:54:386
111391190,0ptp4l0-21swapper/608:54:386
111391190,0ptp4l0-21swapper/508:55:255
111391190,0ptp4l0-21swapper/508:08:055
111391190,0ptp4l0-21swapper/408:42:254
111391190,0ptp4l0-21swapper/407:57:244
111391190,0ptp4l0-21swapper/312:12:423
111391190,0ptp4l0-21swapper/211:02:552
111391190,0ptp4l0-21swapper/210:35:032
111391190,0ptp4l0-21swapper/210:11:012
111391190,0ptp4l0-21swapper/208:32:242
111391190,0ptp4l0-21swapper/112:38:241
111391180,0ptp4l0-21swapper/712:03:407
111391180,0ptp4l0-21swapper/611:44:046
111391180,0ptp4l0-21swapper/610:40:456
111391180,0ptp4l0-21swapper/610:21:196
111391180,0ptp4l0-21swapper/610:10:596
111391180,0ptp4l0-21swapper/609:30:246
111391180,0ptp4l0-21swapper/408:35:234
111391180,0ptp4l0-21swapper/408:29:554
111391180,0ptp4l0-21swapper/212:01:562
111391180,0ptp4l0-21swapper/211:18:302
111391180,0ptp4l0-21swapper/209:58:572
111391180,0ptp4l0-21swapper/209:42:072
111391180,0ptp4l0-21swapper/208:48:262
111391180,0ptp4l0-21swapper/108:07:101
111391180,0ptp4l0-21swapper/107:24:591
111391170,0ptp4l0-21swapper/611:51:316
111391170,0ptp4l0-21swapper/611:31:536
111391170,0ptp4l0-21swapper/611:31:536
111391170,0ptp4l0-21swapper/408:01:284
111391170,0ptp4l0-21swapper/212:26:072
111391170,0ptp4l0-21swapper/110:40:001
111391170,0ptp4l0-21swapper/108:19:511
111391160,0ptp4l0-21swapper/408:20:154
111391160,0ptp4l0-21swapper/210:46:262
111391160,0ptp4l0-21swapper/208:54:392
111391160,0ptp4l0-21swapper/208:54:382
111391160,0ptp4l0-21swapper/007:53:390
95552150,0sleep70-21swapper/708:10:147
1319699150,13cyclictest0-21swapper/308:40:003
111391150,0ptp4l0-21swapper/707:23:037
111391150,0ptp4l0-21swapper/608:56:516
111391150,0ptp4l0-21swapper/608:48:196
111391150,0ptp4l0-21swapper/608:40:266
111391150,0ptp4l0-21swapper/608:22:376
111391150,0ptp4l0-21swapper/608:11:046
111391150,0ptp4l0-21swapper/608:06:376
111391150,0ptp4l0-21swapper/608:04:326
111391150,0ptp4l0-21swapper/607:31:496
111391150,0ptp4l0-21swapper/607:21:356
111391150,0ptp4l0-21swapper/508:16:455
111391150,0ptp4l0-21swapper/408:10:374
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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