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2026-06-25 - 21:44

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 Thu Jun 25, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391680,4ptp4l0-21swapper/107:05:111
202882610,0sleep10-21swapper/109:05:111
1881916150,6phc2sys0-21swapper/207:06:592
111391600,29ptp4l0-21swapper/007:06:090
3066825948,6sleep70-21swapper/707:05:517
70192570,0sleep57023-21needreboot12:30:165
3091025534,7sleep30-21swapper/307:09:013
111391530,5ptp4l0-21swapper/507:06:035
3082025240,7sleep40-21swapper/407:07:504
111391480,0ptp4l19772-21latency_hist11:20:001
3064124636,6sleep60-21swapper/607:05:356
111391360,0ptp4l0-21swapper/109:37:221
111391330,0ptp4l0-21swapper/010:41:480
111391320,3ptp4l0-21swapper/407:35:144
111391320,3ptp4l0-21swapper/109:25:171
111391310,3ptp4l0-21swapper/007:40:010
111391310,0ptp4l0-21swapper/412:02:274
111391310,0ptp4l0-21swapper/210:16:452
111391310,0ptp4l0-21swapper/112:31:521
111391310,0ptp4l0-21swapper/011:51:590
111391300,0ptp4l0-21swapper/411:57:354
111391300,0ptp4l0-21swapper/009:30:140
111391290,0ptp4l0-21swapper/409:48:584
111391290,0ptp4l0-21swapper/409:31:034
111391290,0ptp4l0-21swapper/112:24:471
111391290,0ptp4l0-21swapper/112:17:221
111391290,0ptp4l0-21swapper/107:55:171
111391290,0ptp4l0-21swapper/012:13:090
111391290,0ptp4l0-21swapper/010:16:300
111391290,0ptp4l0-21swapper/009:45:060
111391280,0ptp4l0-21swapper/711:58:037
111391280,0ptp4l0-21swapper/509:24:205
111391280,0ptp4l0-21swapper/411:42:364
111391280,0ptp4l0-21swapper/410:25:064
111391280,0ptp4l0-21swapper/112:38:401
111391280,0ptp4l0-21swapper/011:47:400
111391280,0ptp4l0-21swapper/011:13:180
111391280,0ptp4l0-21swapper/009:51:530
111391280,0ptp4l0-21swapper/009:44:410
111391280,0ptp4l0-21swapper/009:18:010
111391270,2ptp4l0-21swapper/010:33:060
111391270,0ptp4l0-21swapper/412:17:434
111391270,0ptp4l0-21swapper/111:08:461
111391270,0ptp4l0-21swapper/109:22:411
111391270,0ptp4l0-21swapper/107:40:181
111391270,0ptp4l0-21swapper/012:08:490
111391270,0ptp4l0-21swapper/011:30:170
111391270,0ptp4l0-21swapper/010:49:570
111391270,0ptp4l0-21swapper/009:14:410
111391260,3ptp4l0-21swapper/011:03:480
111391260,3ptp4l0-21swapper/010:04:550
111391260,2ptp4l0-21swapper/111:55:291
111391260,0ptp4l0-21swapper/510:36:355
111391260,0ptp4l0-21swapper/410:35:224
111391260,0ptp4l0-21swapper/410:08:204
111391260,0ptp4l0-21swapper/410:08:204
111391260,0ptp4l0-21swapper/409:38:084
111391250,2ptp4l0-21swapper/111:42:021
111391250,1ptp4l6607-21df08:35:110
111391250,1ptp4l10074-21grep09:35:190
111391250,0ptp4l0-21swapper/712:30:237
111391250,0ptp4l0-21swapper/512:38:415
111391250,0ptp4l0-21swapper/511:04:505
111391250,0ptp4l0-21swapper/510:52:305
111391250,0ptp4l0-21swapper/510:31:295
111391250,0ptp4l0-21swapper/509:25:565
111391250,0ptp4l0-21swapper/508:40:005
111391250,0ptp4l0-21swapper/507:10:135
111391250,0ptp4l0-21swapper/411:53:104
111391250,0ptp4l0-21swapper/411:19:194
111391250,0ptp4l0-21swapper/410:49:514
111391250,0ptp4l0-21swapper/410:15:004
111391250,0ptp4l0-21swapper/410:15:004
111391250,0ptp4l0-21swapper/409:50:114
111391250,0ptp4l0-21swapper/312:30:163
111391250,0ptp4l0-21swapper/111:38:451
111391250,0ptp4l0-21swapper/109:54:501
111391250,0ptp4l0-21swapper/012:37:470
111391250,0ptp4l0-21swapper/011:15:140
111391250,0ptp4l0-21swapper/010:51:420
111391250,0ptp4l0-21swapper/009:20:200
111391250,0ptp4l0-21swapper/008:50:000
111391250,0ptp4l0-21swapper/008:30:170
111391250,0ptp4l0-21swapper/008:25:120
111391250,0ptp4l0-21swapper/008:24:110
111391250,0ptp4l0-21swapper/007:40:170
111391240,2ptp4l28641-21sed08:10:201
111391240,1ptp4l9158-21diskstats07:30:124
111391240,1ptp4l9158-21diskstats07:30:124
111391240,1ptp4l4802-21irqrtprio07:20:130
111391240,1ptp4l32068-21netstat12:20:167
111391240,1ptp4l31296-21irqstats10:05:140
111391240,1ptp4l31296-21irqstats10:05:140
111391240,1ptp4l3026-21irqstats12:25:141
111391240,1ptp4l2920-21irqstats11:40:140
111391240,1ptp4l27513-21sed09:15:194
111391240,1ptp4l24745-21sed08:05:014
111391240,1ptp4l21637-21vmstat09:05:204
111391240,1ptp4l2036-21hddtemp_smartct08:25:134
111391240,1ptp4l1807-21latency07:15:015
111391240,1ptp4l1654-21if_err_virbr0-n09:25:150
111391240,1ptp4l1488-21fw_forwarded_lo09:25:144
111391240,0ptp4l22021-21diskmemload12:25:194
111391240,0ptp4l0-21swapper/511:40:005
111391240,0ptp4l0-21swapper/411:00:194
111391240,0ptp4l0-21swapper/410:40:144
111391240,0ptp4l0-21swapper/410:18:364
111391240,0ptp4l0-21swapper/409:22:334
111391240,0ptp4l0-21swapper/408:40:174
111391240,0ptp4l0-21swapper/407:40:134
111391240,0ptp4l0-21swapper/311:58:293
111391240,0ptp4l0-21swapper/311:10:173
111391240,0ptp4l0-21swapper/111:26:591
111391240,0ptp4l0-21swapper/111:03:161
111391240,0ptp4l0-21swapper/110:11:431
111391240,0ptp4l0-21swapper/110:11:431
111391240,0ptp4l0-21swapper/109:19:121
111391240,0ptp4l0-21swapper/012:27:560
111391240,0ptp4l0-21swapper/011:35:570
111391240,0ptp4l0-21swapper/011:09:390
111391240,0ptp4l0-21swapper/010:28:360
111391240,0ptp4l0-21swapper/009:55:120
111391240,0ptp4l0-21swapper/009:10:000
111391230,3ptp4l321ktimersoftd/211:01:252
111391230,1ptp4l0-21swapper/110:48:251
111391230,0ptp4l0-21swapper/712:20:007
111391230,0ptp4l0-21swapper/712:00:147
111391230,0ptp4l0-21swapper/710:28:187
111391230,0ptp4l0-21swapper/708:10:137
111391230,0ptp4l0-21swapper/708:10:017
111391230,0ptp4l0-21swapper/512:25:115
111391230,0ptp4l0-21swapper/512:15:205
111391230,0ptp4l0-21swapper/512:10:175
111391230,0ptp4l0-21swapper/511:05:485
111391230,0ptp4l0-21swapper/509:10:175
111391230,0ptp4l0-21swapper/508:45:145
111391230,0ptp4l0-21swapper/508:00:125
111391230,0ptp4l0-21swapper/412:35:364
111391230,0ptp4l0-21swapper/412:10:114
111391230,0ptp4l0-21swapper/411:45:104
111391230,0ptp4l0-21swapper/411:30:134
111391230,0ptp4l0-21swapper/411:25:174
111391230,0ptp4l0-21swapper/411:05:114
111391230,0ptp4l0-21swapper/410:55:164
111391230,0ptp4l0-21swapper/410:33:214
111391230,0ptp4l0-21swapper/410:20:154
111391230,0ptp4l0-21swapper/409:55:154
111391230,0ptp4l0-21swapper/409:13:394
111391230,0ptp4l0-21swapper/409:00:194
111391230,0ptp4l0-21swapper/408:50:124
111391230,0ptp4l0-21swapper/408:30:194
111391230,0ptp4l0-21swapper/408:05:204
111391230,0ptp4l0-21swapper/407:50:114
111391230,0ptp4l0-21swapper/407:45:114
111391230,0ptp4l0-21swapper/407:20:114
111391230,0ptp4l0-21swapper/112:14:361
111391230,0ptp4l0-21swapper/112:05:111
111391230,0ptp4l0-21swapper/111:50:241
111391230,0ptp4l0-21swapper/111:48:281
111391230,0ptp4l0-21swapper/111:22:251
111391230,0ptp4l0-21swapper/110:50:191
111391230,0ptp4l0-21swapper/110:20:161
111391230,0ptp4l0-21swapper/109:46:221
111391230,0ptp4l0-21swapper/109:30:021
111391230,0ptp4l0-21swapper/108:45:151
111391230,0ptp4l0-21swapper/108:00:161
111391230,0ptp4l0-21swapper/107:50:151
111391230,0ptp4l0-21swapper/107:15:011
111391230,0ptp4l0-21swapper/012:31:410
111391230,0ptp4l0-21swapper/012:15:120
111391230,0ptp4l0-21swapper/012:00:120
111391230,0ptp4l0-21swapper/011:25:120
111391230,0ptp4l0-21swapper/011:20:160
111391230,0ptp4l0-21swapper/010:23:080
111391230,0ptp4l0-21swapper/009:00:110
111391230,0ptp4l0-21swapper/008:40:160
111391230,0ptp4l0-21swapper/007:55:150
111391230,0ptp4l0-21swapper/007:45:150
111391230,0ptp4l0-21swapper/007:25:160
111391220,1ptp4l73-21ksoftirqd/710:42:437
111391220,1ptp4l29249-21ssh11:31:285
111391220,0ptp4l0-21swapper/711:26:347
111391220,0ptp4l0-21swapper/611:15:106
111391220,0ptp4l0-21swapper/611:01:326
111391220,0ptp4l0-21swapper/512:24:255
111391220,0ptp4l0-21swapper/512:05:145
111391220,0ptp4l0-21swapper/511:55:125
111391220,0ptp4l0-21swapper/511:54:515
111391220,0ptp4l0-21swapper/511:18:105
111391220,0ptp4l0-21swapper/510:40:135
111391220,0ptp4l0-21swapper/510:20:185
111391220,0ptp4l0-21swapper/510:04:085
111391220,0ptp4l0-21swapper/509:59:435
111391220,0ptp4l0-21swapper/509:54:555
111391220,0ptp4l0-21swapper/509:46:255
111391220,0ptp4l0-21swapper/508:15:135
111391220,0ptp4l0-21swapper/412:31:064
111391220,0ptp4l0-21swapper/412:05:174
111391220,0ptp4l0-21swapper/411:35:154
111391220,0ptp4l0-21swapper/411:20:574
111391220,0ptp4l0-21swapper/411:11:304
111391220,0ptp4l0-21swapper/410:50:114
111391220,0ptp4l0-21swapper/410:00:164
111391220,0ptp4l0-21swapper/409:40:124
111391220,0ptp4l0-21swapper/408:35:154
111391220,0ptp4l0-21swapper/407:55:144
111391220,0ptp4l0-21swapper/407:25:124
111391220,0ptp4l0-21swapper/312:20:183
111391220,0ptp4l0-21swapper/312:20:003
111391220,0ptp4l0-21swapper/312:00:183
111391220,0ptp4l0-21swapper/112:01:031
111391220,0ptp4l0-21swapper/111:34:311
111391220,0ptp4l0-21swapper/110:58:041
111391220,0ptp4l0-21swapper/110:37:111
111391220,0ptp4l0-21swapper/110:25:471
111391220,0ptp4l0-21swapper/110:07:101
111391220,0ptp4l0-21swapper/110:07:101
111391220,0ptp4l0-21swapper/109:57:511
111391220,0ptp4l0-21swapper/109:10:521
111391220,0ptp4l0-21swapper/108:36:501
111391220,0ptp4l0-21swapper/108:15:201
111391220,0ptp4l0-21swapper/012:20:440
111391220,0ptp4l0-21swapper/011:56:500
111391220,0ptp4l0-21swapper/010:55:150
111391220,0ptp4l0-21swapper/010:35:170
111391220,0ptp4l0-21swapper/010:10:150
111391220,0ptp4l0-21swapper/010:10:140
111391220,0ptp4l0-21swapper/008:50:130
111391220,0ptp4l0-21swapper/007:15:120
111391210,1ptp4l31798-21idleruntime07:10:151
111391210,0ptp4l0-21swapper/711:10:177
111391210,0ptp4l0-21swapper/707:11:427
111391210,0ptp4l0-21swapper/612:03:306
111391210,0ptp4l0-21swapper/610:38:276
111391210,0ptp4l0-21swapper/610:17:516
111391210,0ptp4l0-21swapper/610:07:516
111391210,0ptp4l0-21swapper/610:07:506
111391210,0ptp4l0-21swapper/609:10:006
111391210,0ptp4l0-21swapper/512:00:545
111391210,0ptp4l0-21swapper/511:48:305
111391210,0ptp4l0-21swapper/511:40:295
111391210,0ptp4l0-21swapper/511:20:425
111391210,0ptp4l0-21swapper/510:57:325
111391210,0ptp4l0-21swapper/510:46:545
111391210,0ptp4l0-21swapper/510:29:005
111391210,0ptp4l0-21swapper/510:11:115
111391210,0ptp4l0-21swapper/510:11:115
111391210,0ptp4l0-21swapper/509:34:395
111391210,0ptp4l0-21swapper/507:55:205
111391210,0ptp4l0-21swapper/507:50:145
111391210,0ptp4l0-21swapper/507:40:205
111391210,0ptp4l0-21swapper/412:21:404
111391210,0ptp4l0-21swapper/408:20:164
111391210,0ptp4l0-21swapper/407:15:144
111391210,0ptp4l0-21swapper/310:42:593
111391210,0ptp4l0-21swapper/310:28:243
111391210,0ptp4l0-21swapper/211:08:062
111391210,0ptp4l0-21swapper/210:48:322
111391210,0ptp4l0-21swapper/210:38:282
111391210,0ptp4l0-21swapper/209:52:062
111391210,0ptp4l0-21swapper/111:14:511
111391210,0ptp4l0-21swapper/110:40:071
111391210,0ptp4l0-21swapper/110:30:521
111391210,0ptp4l0-21swapper/110:04:091
111391210,0ptp4l0-21swapper/109:42:141
111391210,0ptp4l0-21swapper/108:55:201
111391210,0ptp4l0-21swapper/107:30:011
111391210,0ptp4l0-21swapper/107:30:001
111391210,0ptp4l0-21swapper/008:05:130
111391210,0ptp4l0-21swapper/007:50:170
111391200,2ptp4l0-21swapper/308:08:383
111391200,1ptp4l27685-21if_virbr008:10:153
111391200,0ptp4l0-21swapper/708:42:117
111391200,0ptp4l0-21swapper/609:52:266
111391200,0ptp4l0-21swapper/511:27:365
111391200,0ptp4l0-21swapper/511:14:135
111391200,0ptp4l0-21swapper/509:35:495
111391200,0ptp4l0-21swapper/509:15:515
111391200,0ptp4l0-21swapper/509:00:005
111391200,0ptp4l0-21swapper/508:55:185
111391200,0ptp4l0-21swapper/508:20:015
111391200,0ptp4l0-21swapper/508:13:405
111391200,0ptp4l0-21swapper/507:28:395
111391200,0ptp4l0-21swapper/408:57:124
111391200,0ptp4l0-21swapper/408:18:394
111391200,0ptp4l0-21swapper/311:26:423
111391200,0ptp4l0-21swapper/211:15:092
111391200,0ptp4l0-21swapper/210:05:212
111391200,0ptp4l0-21swapper/210:05:212
111391200,0ptp4l0-21swapper/110:19:031
111391200,0ptp4l0-21swapper/108:25:341
111391200,0ptp4l0-21swapper/008:14:190
111391200,0ptp4l0-21swapper/008:03:120
111391200,0ptp4l0-21swapper/007:32:440
111391200,0ptp4l0-21swapper/007:32:440
111391190,1ptp4l8371-21sh10:19:045
111391190,0ptp4l0-21swapper/610:53:546
111391190,0ptp4l0-21swapper/509:09:415
111391190,0ptp4l0-21swapper/508:43:405
111391190,0ptp4l0-21swapper/508:32:405
111391190,0ptp4l0-21swapper/508:28:535
111391190,0ptp4l0-21swapper/408:10:194
111391190,0ptp4l0-21swapper/108:44:321
111391190,0ptp4l0-21swapper/108:33:401
111391190,0ptp4l0-21swapper/008:15:190
111391190,0ptp4l0-21swapper/007:13:390
111391180,0ptp4l0-21swapper/610:48:356
111391180,0ptp4l0-21swapper/609:58:516
111391180,0ptp4l0-21swapper/510:07:085
111391180,0ptp4l0-21swapper/510:07:085
111391180,0ptp4l0-21swapper/508:51:315
111391180,0ptp4l0-21swapper/408:47:404
111391170,0ptp4l0-21swapper/611:08:096
111391170,0ptp4l0-21swapper/308:42:123
111391170,0ptp4l0-21swapper/212:03:282
111391170,0ptp4l0-21swapper/211:13:142
111391170,0ptp4l0-21swapper/108:54:361
114472160,1sleep211448-21/usr/sbin/munin07:35:102
111391160,1ptp4l1068-21runrttasks07:31:295
111391160,1ptp4l1068-21runrttasks07:31:295
111391160,0ptp4l0-21swapper/611:34:146
111391160,0ptp4l0-21swapper/611:13:116
111391160,0ptp4l0-21swapper/407:12:404
111391160,0ptp4l0-21swapper/211:34:122
111391160,0ptp4l0-21swapper/209:10:062
111391160,0ptp4l0-21swapper/209:10:002
111391160,0ptp4l0-21swapper/208:29:202
111391160,0ptp4l0-21swapper/107:49:551
111391160,0ptp4l0-21swapper/107:25:421
111391160,0ptp4l0-21swapper/107:22:051
111391150,0ptp4l0-21swapper/608:40:056
111391150,0ptp4l0-21swapper/608:29:196
111391150,0ptp4l0-21swapper/607:54:286
111391150,0ptp4l0-21swapper/607:29:596
111391150,0ptp4l0-21swapper/509:42:155
111391150,0ptp4l0-21swapper/508:07:135
111391150,0ptp4l0-21swapper/507:48:485
111391150,0ptp4l0-21swapper/507:20:015
111391150,0ptp4l0-21swapper/307:11:333
111391150,0ptp4l0-21swapper/208:58:102
111391150,0ptp4l0-21swapper/208:14:442
111391150,0ptp4l0-21swapper/207:45:312
111391150,0ptp4l0-21swapper/207:29:562
111391150,0ptp4l0-21swapper/207:23:162
111391150,0ptp4l0-21swapper/108:20:031
111391150,0ptp4l0-21swapper/108:07:091
111391150,0ptp4l0-21swapper/107:36:491
111391150,0ptp4l0-21swapper/008:56:380
111391140,0ptp4l0-21swapper/609:03:086
111391140,0ptp4l0-21swapper/608:58:126
111391140,0ptp4l0-21swapper/608:14:426
111391140,0ptp4l0-21swapper/607:45:336
111391140,0ptp4l0-21swapper/607:23:146
111391140,0ptp4l0-21swapper/210:53:532
111391140,0ptp4l0-21swapper/208:51:402
111391140,0ptp4l0-21swapper/208:40:042
111391140,0ptp4l0-21swapper/207:52:042
111391140,0ptp4l0-21swapper/109:00:011
3130699109,0cyclictest0-21swapper/711:15:567
3130699109,0cyclictest0-21swapper/709:41:197
3130699100,9cyclictest0-21swapper/710:35:057
3130699100,9cyclictest0-21swapper/710:06:567
3130699100,9cyclictest0-21swapper/710:06:567
3130699100,9cyclictest0-21swapper/709:32:037
3130699100,9cyclictest0-21swapper/709:10:507
3130699100,1cyclictest0-21swapper/708:00:147
3130699100,0cyclictest0-21swapper/712:37:307
3129899109,0cyclictest0-21swapper/612:20:346
3129899109,0cyclictest0-21swapper/609:19:136
3129899100,9cyclictest0-21swapper/612:39:166
3129899100,9cyclictest0-21swapper/611:35:566
3129899100,9cyclictest0-21swapper/610:23:116
3129899100,9cyclictest0-21swapper/609:40:356
3129899100,9cyclictest0-21swapper/609:25:116
3129899100,0cyclictest0-21swapper/609:22:126
3129899100,0cyclictest0-21swapper/607:55:186
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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