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2026-05-31 - 21:49

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 Sun May 31, 2026 12:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
79142630,1sleep125-21ksoftirqd/111:37:311
111391630,32ptp4l0-21swapper/107:07:531
111391610,5ptp4l0-21swapper/007:07:290
1881915948,6phc2sys0-21swapper/707:07:097
111391570,6ptp4l0-21swapper/307:05:583
419925341,7sleep40-21swapper/407:05:324
111391530,6ptp4l0-21swapper/507:08:325
450725241,7sleep60-21swapper/607:09:266
420825242,6sleep20-21swapper/207:05:372
111391340,0ptp4l0-21swapper/007:10:120
111391320,4ptp4l22364-21ssh11:13:300
111391310,3ptp4l0-21swapper/011:07:210
111391310,0ptp4l0-21swapper/012:23:180
111391310,0ptp4l0-21swapper/009:32:340
111391300,0ptp4l0-21swapper/511:05:425
111391300,0ptp4l0-21swapper/409:27:504
111391300,0ptp4l0-21swapper/011:30:150
111391290,3ptp4l0-21swapper/011:36:540
111391290,2ptp4l0-21swapper/009:45:560
111391290,0ptp4l0-21swapper/410:13:344
111391290,0ptp4l0-21swapper/312:19:593
111391290,0ptp4l0-21swapper/312:19:593
111391290,0ptp4l0-21swapper/010:59:440
111391290,0ptp4l0-21swapper/009:51:010
111391290,0ptp4l0-21swapper/008:15:000
111391280,1ptp4l0-21swapper/509:26:595
111391280,0ptp4l0-21swapper/612:32:446
111391280,0ptp4l0-21swapper/511:12:465
111391280,0ptp4l0-21swapper/510:02:565
111391280,0ptp4l0-21swapper/509:35:515
111391280,0ptp4l0-21swapper/509:35:515
111391280,0ptp4l0-21swapper/509:33:295
111391280,0ptp4l0-21swapper/509:17:045
111391280,0ptp4l0-21swapper/411:46:564
111391280,0ptp4l0-21swapper/110:07:251
111391280,0ptp4l0-21swapper/109:28:291
111391280,0ptp4l0-21swapper/012:39:430
111391280,0ptp4l0-21swapper/010:32:240
111391280,0ptp4l0-21swapper/010:11:470
111391270,1ptp4l0-21swapper/008:50:000
111391270,0ptp4l0-21swapper/109:39:331
111391270,0ptp4l0-21swapper/109:39:321
111391260,3ptp4l0-21swapper/011:40:250
111391260,0ptp4l101ktimersoftd/010:48:110
111391260,0ptp4l0-21swapper/609:51:536
111391260,0ptp4l0-21swapper/511:16:095
111391260,0ptp4l0-21swapper/508:52:385
111391260,0ptp4l0-21swapper/411:55:344
111391260,0ptp4l0-21swapper/410:25:124
111391260,0ptp4l0-21swapper/309:51:073
111391260,0ptp4l0-21swapper/112:24:591
111391260,0ptp4l0-21swapper/108:35:181
111391260,0ptp4l0-21swapper/011:20:560
111391260,0ptp4l0-21swapper/010:26:450
111391260,0ptp4l0-21swapper/009:58:510
111391260,0ptp4l0-21swapper/008:04:150
111391250,1ptp4l482399cyclictest11:02:360
111391250,1ptp4l30982-21fw_forwarded_lo11:25:134
111391250,1ptp4l19911-21ls11:55:004
111391250,0ptp4l0-21swapper/710:15:157
111391250,0ptp4l0-21swapper/607:30:196
111391250,0ptp4l0-21swapper/511:51:535
111391250,0ptp4l0-21swapper/511:35:315
111391250,0ptp4l0-21swapper/510:50:145
111391250,0ptp4l0-21swapper/510:20:015
111391250,0ptp4l0-21swapper/410:40:204
111391250,0ptp4l0-21swapper/410:23:174
111391250,0ptp4l0-21swapper/408:05:144
111391250,0ptp4l0-21swapper/111:13:351
111391250,0ptp4l0-21swapper/110:17:471
111391250,0ptp4l0-21swapper/110:10:591
111391250,0ptp4l0-21swapper/110:01:491
111391250,0ptp4l0-21swapper/109:45:011
111391250,0ptp4l0-21swapper/012:10:000
111391250,0ptp4l0-21swapper/009:41:210
111391250,0ptp4l0-21swapper/008:55:000
111391250,0ptp4l0-21swapper/007:25:010
111391240,4ptp4l0-21swapper/008:29:450
111391240,1ptp4l8177-21df07:15:110
111391240,1ptp4l674-21missed_timers09:15:150
111391240,1ptp4l30530-21fw_conntrack10:40:131
111391240,1ptp4l28653-21ssh09:53:401
111391240,1ptp4l24986-21ssh10:32:021
111391240,1ptp4l14804-21ssh10:19:100
111391240,1ptp4l12516-21cpuspeed_turbos11:00:111
111391240,0ptp4l0-21swapper/512:38:215
111391240,0ptp4l0-21swapper/512:25:185
111391240,0ptp4l0-21swapper/512:17:135
111391240,0ptp4l0-21swapper/512:17:135
111391240,0ptp4l0-21swapper/512:10:115
111391240,0ptp4l0-21swapper/512:10:115
111391240,0ptp4l0-21swapper/512:07:445
111391240,0ptp4l0-21swapper/511:46:345
111391240,0ptp4l0-21swapper/511:00:315
111391240,0ptp4l0-21swapper/509:48:565
111391240,0ptp4l0-21swapper/509:10:115
111391240,0ptp4l0-21swapper/508:44:305
111391240,0ptp4l0-21swapper/412:15:174
111391240,0ptp4l0-21swapper/412:15:174
111391240,0ptp4l0-21swapper/410:51:434
111391240,0ptp4l0-21swapper/409:40:194
111391240,0ptp4l0-21swapper/409:15:144
111391240,0ptp4l0-21swapper/312:20:113
111391240,0ptp4l0-21swapper/310:07:053
111391240,0ptp4l0-21swapper/207:30:162
111391240,0ptp4l0-21swapper/112:07:181
111391240,0ptp4l0-21swapper/111:50:081
111391240,0ptp4l0-21swapper/110:29:331
111391240,0ptp4l0-21swapper/109:19:181
111391240,0ptp4l0-21swapper/109:10:191
111391240,0ptp4l0-21swapper/108:22:351
111391240,0ptp4l0-21swapper/011:55:470
111391240,0ptp4l0-21swapper/010:54:300
111391240,0ptp4l0-21swapper/010:05:200
111391240,0ptp4l0-21swapper/010:02:520
111391230,1ptp4l8940-21ssh09:25:320
111391230,1ptp4l5628-21sh09:21:090
111391230,1ptp4l1355-21tuned11:31:215
111391230,0ptp4l4053-21conntrack09:20:135
111391230,0ptp4l27933-21diskmemload12:00:170
111391230,0ptp4l16035-21sed08:40:200
111391230,0ptp4l15866-21rm11:49:281
111391230,0ptp4l0-21swapper/712:20:187
111391230,0ptp4l0-21swapper/710:06:517
111391230,0ptp4l0-21swapper/612:13:006
111391230,0ptp4l0-21swapper/612:13:006
111391230,0ptp4l0-21swapper/511:43:185
111391230,0ptp4l0-21swapper/510:57:025
111391230,0ptp4l0-21swapper/510:49:435
111391230,0ptp4l0-21swapper/510:30:155
111391230,0ptp4l0-21swapper/510:26:265
111391230,0ptp4l0-21swapper/510:20:165
111391230,0ptp4l0-21swapper/509:58:165
111391230,0ptp4l0-21swapper/509:43:395
111391230,0ptp4l0-21swapper/508:35:195
111391230,0ptp4l0-21swapper/508:20:145
111391230,0ptp4l0-21swapper/507:50:165
111391230,0ptp4l0-21swapper/507:15:015
111391230,0ptp4l0-21swapper/412:39:504
111391230,0ptp4l0-21swapper/412:30:184
111391230,0ptp4l0-21swapper/412:25:204
111391230,0ptp4l0-21swapper/412:05:004
111391230,0ptp4l0-21swapper/411:30:124
111391230,0ptp4l0-21swapper/411:22:164
111391230,0ptp4l0-21swapper/411:05:594
111391230,0ptp4l0-21swapper/410:55:154
111391230,0ptp4l0-21swapper/410:48:284
111391230,0ptp4l0-21swapper/410:35:154
111391230,0ptp4l0-21swapper/410:30:214
111391230,0ptp4l0-21swapper/410:04:264
111391230,0ptp4l0-21swapper/409:45:134
111391230,0ptp4l0-21swapper/409:12:034
111391230,0ptp4l0-21swapper/408:55:154
111391230,0ptp4l0-21swapper/408:40:154
111391230,0ptp4l0-21swapper/408:25:144
111391230,0ptp4l0-21swapper/408:00:184
111391230,0ptp4l0-21swapper/407:55:164
111391230,0ptp4l0-21swapper/407:35:124
111391230,0ptp4l0-21swapper/407:30:134
111391230,0ptp4l0-21swapper/407:15:164
111391230,0ptp4l0-21swapper/112:10:051
111391230,0ptp4l0-21swapper/112:10:051
111391230,0ptp4l0-21swapper/112:00:131
111391230,0ptp4l0-21swapper/111:43:061
111391230,0ptp4l0-21swapper/111:06:321
111391230,0ptp4l0-21swapper/110:56:471
111391230,0ptp4l0-21swapper/110:51:171
111391230,0ptp4l0-21swapper/109:34:051
111391230,0ptp4l0-21swapper/108:45:201
111391230,0ptp4l0-21swapper/107:45:131
111391230,0ptp4l0-21swapper/107:15:001
111391230,0ptp4l0-21swapper/012:30:150
111391230,0ptp4l0-21swapper/012:26:560
111391230,0ptp4l0-21swapper/011:25:120
111391230,0ptp4l0-21swapper/011:15:180
111391230,0ptp4l0-21swapper/010:40:160
111391230,0ptp4l0-21swapper/010:35:210
111391230,0ptp4l0-21swapper/009:35:200
111391230,0ptp4l0-21swapper/009:35:200
111391230,0ptp4l0-21swapper/009:05:120
111391230,0ptp4l0-21swapper/008:10:180
111391230,0ptp4l0-21swapper/008:05:200
111391230,0ptp4l0-21swapper/007:55:170
111391230,0ptp4l0-21swapper/007:40:130
111391220,0ptp4l32669-21ssh11:26:351
111391220,0ptp4l0-21swapper/712:17:417
111391220,0ptp4l0-21swapper/712:17:417
111391220,0ptp4l0-21swapper/609:40:526
111391220,0ptp4l0-21swapper/608:40:016
111391220,0ptp4l0-21swapper/512:00:095
111391220,0ptp4l0-21swapper/511:26:395
111391220,0ptp4l0-21swapper/510:40:125
111391220,0ptp4l0-21swapper/510:36:135
111391220,0ptp4l0-21swapper/510:10:145
111391220,0ptp4l0-21swapper/510:06:305
111391220,0ptp4l0-21swapper/509:53:425
111391220,0ptp4l0-21swapper/509:05:215
111391220,0ptp4l0-21swapper/508:08:145
111391220,0ptp4l0-21swapper/507:45:135
111391220,0ptp4l0-21swapper/507:25:205
111391220,0ptp4l0-21swapper/412:22:494
111391220,0ptp4l0-21swapper/412:12:484
111391220,0ptp4l0-21swapper/412:12:484
111391220,0ptp4l0-21swapper/412:05:134
111391220,0ptp4l0-21swapper/411:40:014
111391220,0ptp4l0-21swapper/411:39:054
111391220,0ptp4l0-21swapper/411:16:034
111391220,0ptp4l0-21swapper/411:10:004
111391220,0ptp4l0-21swapper/411:02:574
111391220,0ptp4l0-21swapper/410:16:584
111391220,0ptp4l0-21swapper/410:05:174
111391220,0ptp4l0-21swapper/409:55:124
111391220,0ptp4l0-21swapper/409:50:094
111391220,0ptp4l0-21swapper/409:35:014
111391220,0ptp4l0-21swapper/409:35:014
111391220,0ptp4l0-21swapper/409:30:004
111391220,0ptp4l0-21swapper/409:21:004
111391220,0ptp4l0-21swapper/409:05:004
111391220,0ptp4l0-21swapper/408:30:164
111391220,0ptp4l0-21swapper/408:10:144
111391220,0ptp4l0-21swapper/407:40:194
111391220,0ptp4l0-21swapper/407:25:184
111391220,0ptp4l0-21swapper/407:10:144
111391220,0ptp4l0-21swapper/310:33:163
111391220,0ptp4l0-21swapper/310:15:143
111391220,0ptp4l0-21swapper/309:58:433
111391220,0ptp4l0-21swapper/212:13:042
111391220,0ptp4l0-21swapper/212:13:042
111391220,0ptp4l0-21swapper/211:19:562
111391220,0ptp4l0-21swapper/209:51:432
111391220,0ptp4l0-21swapper/208:40:002
111391220,0ptp4l0-21swapper/112:35:461
111391220,0ptp4l0-21swapper/112:25:011
111391220,0ptp4l0-21swapper/112:15:351
111391220,0ptp4l0-21swapper/112:15:351
111391220,0ptp4l0-21swapper/111:31:001
111391220,0ptp4l0-21swapper/111:15:161
111391220,0ptp4l0-21swapper/110:47:191
111391220,0ptp4l0-21swapper/110:36:201
111391220,0ptp4l0-21swapper/110:20:151
111391220,0ptp4l0-21swapper/109:58:211
111391220,0ptp4l0-21swapper/109:47:281
111391220,0ptp4l0-21swapper/109:20:131
111391220,0ptp4l0-21swapper/109:00:121
111391220,0ptp4l0-21swapper/108:50:181
111391220,0ptp4l0-21swapper/108:26:511
111391220,0ptp4l0-21swapper/107:50:161
111391220,0ptp4l0-21swapper/107:45:011
111391220,0ptp4l0-21swapper/107:25:191
111391220,0ptp4l0-21swapper/107:20:121
111391220,0ptp4l0-21swapper/107:15:551
111391220,0ptp4l0-21swapper/012:15:140
111391220,0ptp4l0-21swapper/012:15:140
111391220,0ptp4l0-21swapper/011:50:350
111391220,0ptp4l0-21swapper/011:45:130
111391220,0ptp4l0-21swapper/010:21:240
111391220,0ptp4l0-21swapper/009:11:420
111391220,0ptp4l0-21swapper/009:00:010
111391220,0ptp4l0-21swapper/008:55:130
111391220,0ptp4l0-21swapper/007:35:120
111391220,0ptp4l0-21swapper/007:30:150
111391220,0ptp4l0-21swapper/007:25:130
111391210,3ptp4l641ktimersoftd/608:32:286
111391210,0ptp4l0-21swapper/712:31:237
111391210,0ptp4l0-21swapper/710:33:177
111391210,0ptp4l0-21swapper/709:58:367
111391210,0ptp4l0-21swapper/709:51:097
111391210,0ptp4l0-21swapper/611:19:546
111391210,0ptp4l0-21swapper/610:12:266
111391210,0ptp4l0-21swapper/609:18:096
111391210,0ptp4l0-21swapper/608:01:506
111391210,0ptp4l0-21swapper/512:30:035
111391210,0ptp4l0-21swapper/512:24:075
111391210,0ptp4l0-21swapper/511:59:465
111391210,0ptp4l0-21swapper/509:00:135
111391210,0ptp4l0-21swapper/508:56:355
111391210,0ptp4l0-21swapper/508:45:005
111391210,0ptp4l0-21swapper/508:15:205
111391210,0ptp4l0-21swapper/507:20:005
111391210,0ptp4l0-21swapper/507:19:135
111391210,0ptp4l0-21swapper/409:05:194
111391210,0ptp4l0-21swapper/408:15:134
111391210,0ptp4l0-21swapper/312:32:053
111391210,0ptp4l0-21swapper/212:32:382
111391210,0ptp4l0-21swapper/211:36:262
111391210,0ptp4l0-21swapper/211:24:232
111391210,0ptp4l0-21swapper/208:10:112
111391210,0ptp4l0-21swapper/112:30:031
111391210,0ptp4l0-21swapper/109:09:401
111391210,0ptp4l0-21swapper/108:16:591
111391210,0ptp4l0-21swapper/108:10:001
111391210,0ptp4l0-21swapper/107:30:011
111391210,0ptp4l0-21swapper/012:11:270
111391210,0ptp4l0-21swapper/012:11:270
111391210,0ptp4l0-21swapper/008:38:240
111391210,0ptp4l0-21swapper/008:30:160
111391200,0ptp4l0-21swapper/611:29:586
111391200,0ptp4l0-21swapper/609:59:526
111391200,0ptp4l0-21swapper/508:35:005
111391200,0ptp4l0-21swapper/507:41:345
111391200,0ptp4l0-21swapper/507:31:345
111391200,0ptp4l0-21swapper/408:37:344
111391200,0ptp4l0-21swapper/312:00:493
111391200,0ptp4l0-21swapper/211:29:572
111391200,0ptp4l0-21swapper/209:59:482
111391200,0ptp4l0-21swapper/209:18:152
111391200,0ptp4l0-21swapper/111:59:471
111391200,0ptp4l0-21swapper/108:44:331
111391200,0ptp4l0-21swapper/108:34:381
111391200,0ptp4l0-21swapper/008:24:390
111391190,0ptp4l0-21swapper/611:36:316
111391190,0ptp4l0-21swapper/407:46:344
111391190,0ptp4l0-21swapper/308:11:383
111391190,0ptp4l0-21swapper/211:42:162
111391190,0ptp4l0-21swapper/207:38:352
111391190,0ptp4l0-21swapper/108:07:591
111391180,0ptp4l0-21swapper/712:00:507
111391180,0ptp4l0-21swapper/611:42:146
111391180,0ptp4l0-21swapper/611:24:236
111391180,0ptp4l0-21swapper/508:26:235
111391180,0ptp4l0-21swapper/408:54:594
111391180,0ptp4l0-21swapper/408:45:144
111391180,0ptp4l0-21swapper/407:20:154
111391180,0ptp4l0-21swapper/311:30:393
111391180,0ptp4l0-21swapper/111:20:401
111391170,0ptp4l0-21swapper/607:43:346
111391170,0ptp4l0-21swapper/508:12:285
111391170,0ptp4l0-21swapper/308:48:113
111391170,0ptp4l0-21swapper/209:40:542
111391160,0ptp4l0-21swapper/711:30:397
111391160,0ptp4l0-21swapper/708:11:467
111391160,0ptp4l0-21swapper/508:03:195
111391160,0ptp4l0-21swapper/407:53:354
111391160,0ptp4l0-21swapper/210:12:242
111391160,0ptp4l0-21swapper/207:43:342
111391160,0ptp4l0-21swapper/108:04:401
111391160,0ptp4l0-21swapper/107:39:181
111391160,0ptp4l0-21swapper/007:45:380
111391150,0ptp4l0-21swapper/708:47:557
111391150,0ptp4l0-21swapper/609:03:166
111391150,0ptp4l0-21swapper/608:59:206
111391150,0ptp4l0-21swapper/608:27:046
111391150,0ptp4l0-21swapper/608:11:286
111391150,0ptp4l0-21swapper/607:54:216
111391150,0ptp4l0-21swapper/607:37:436
111391150,0ptp4l0-21swapper/607:25:476
111391150,0ptp4l0-21swapper/511:20:385
111391150,0ptp4l0-21swapper/507:39:165
111391150,0ptp4l0-21swapper/408:20:474
111391150,0ptp4l0-21swapper/209:03:172
111391150,0ptp4l0-21swapper/208:59:192
111391150,0ptp4l0-21swapper/208:27:032
111391150,0ptp4l0-21swapper/208:00:262
111391150,0ptp4l0-21swapper/207:59:152
111391150,0ptp4l0-21swapper/207:54:242
111391150,0ptp4l0-21swapper/207:25:542
111391150,0ptp4l0-21swapper/108:56:301
111391150,0ptp4l0-21swapper/107:56:571
111391150,0ptp4l0-21swapper/007:50:030
4864991412,1cyclictest0-21swapper/610:30:166
188191140,10phc2sys0-21swapper/307:30:153
111391140,0ptp4l0-21swapper/608:39:576
111391140,0ptp4l0-21swapper/607:59:196
111391140,0ptp4l0-21swapper/507:56:575
111391140,0ptp4l0-21swapper/208:40:012
111391140,0ptp4l0-21swapper/208:32:292
111391140,0ptp4l0-21swapper/208:15:432
111391140,0ptp4l0-21swapper/208:06:002
4844991312,0cyclictest0-21swapper/308:00:203
483799128,3cyclictest7798-21munin-run10:10:012
487299110,10cyclictest0-21swapper/711:26:257
486499119,1cyclictest7604-21fw_conntrack09:25:126
486499110,10cyclictest0-21swapper/610:29:376
487299109,0cyclictest0-21swapper/711:51:057
487299109,0cyclictest0-21swapper/711:36:007
487299109,0cyclictest0-21swapper/710:29:137
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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