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2026-04-01 - 01:06

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 Tue Mar 31, 2026 12:46:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391710,29ptp4l0-21swapper/007:05:130
111391710,29ptp4l0-21swapper/007:05:130
1641626333,16sleep70-21swapper/707:06:107
1641626333,16sleep70-21swapper/707:06:107
236642620,0sleep40-21swapper/411:01:234
111391600,29ptp4l0-21swapper/107:05:281
111391600,29ptp4l0-21swapper/107:05:271
1881915931,12phc2sys0-21swapper/407:05:144
1881915931,12phc2sys0-21swapper/407:05:144
314632570,0sleep30-21swapper/307:40:013
1665325533,6sleep30-21swapper/307:09:103
1665325533,6sleep30-21swapper/307:09:093
111391550,5ptp4l0-21swapper/507:05:375
111391550,5ptp4l0-21swapper/507:05:365
1648425332,7sleep20-21swapper/207:07:012
1648425332,7sleep20-21swapper/207:07:012
1647924836,7sleep60-21swapper/607:06:576
1647924836,7sleep60-21swapper/607:06:566
111391340,0ptp4l0-21swapper/010:05:130
111391320,0ptp4l0-21swapper/512:06:225
111391310,0ptp4l0-21swapper/507:10:155
111391310,0ptp4l0-21swapper/411:05:204
111391310,0ptp4l0-21swapper/007:15:130
111391300,0ptp4l0-21swapper/412:23:204
111391300,0ptp4l0-21swapper/411:58:354
111391300,0ptp4l0-21swapper/410:47:474
111391300,0ptp4l0-21swapper/410:09:014
111391300,0ptp4l0-21swapper/409:48:514
111391300,0ptp4l0-21swapper/409:48:514
111391300,0ptp4l0-21swapper/409:40:204
111391300,0ptp4l0-21swapper/409:40:204
111391300,0ptp4l0-21swapper/110:07:111
111391300,0ptp4l0-21swapper/011:41:210
111391290,0ptp4l0-21swapper/510:34:185
111391290,0ptp4l0-21swapper/410:50:194
111391290,0ptp4l0-21swapper/410:26:394
111391290,0ptp4l0-21swapper/407:50:164
111391290,0ptp4l0-21swapper/311:43:513
111391290,0ptp4l0-21swapper/012:34:150
111391290,0ptp4l0-21swapper/011:46:390
111391290,0ptp4l0-21swapper/011:27:410
111391290,0ptp4l0-21swapper/010:47:370
111391290,0ptp4l0-21swapper/010:20:060
111391290,0ptp4l0-21swapper/010:19:160
111391290,0ptp4l0-21swapper/009:40:080
111391290,0ptp4l0-21swapper/009:40:080
111391280,1ptp4l4858-21timerandwakeup09:00:184
111391280,0ptp4l0-21swapper/509:29:595
111391280,0ptp4l0-21swapper/411:18:274
111391280,0ptp4l0-21swapper/410:18:464
111391280,0ptp4l0-21swapper/409:29:314
111391280,0ptp4l0-21swapper/211:56:152
111391280,0ptp4l0-21swapper/110:23:131
111391280,0ptp4l0-21swapper/012:36:490
111391280,0ptp4l0-21swapper/011:33:100
111391280,0ptp4l0-21swapper/010:13:590
111391270,3ptp4l0-21swapper/511:02:355
111391270,2ptp4l0-21swapper/012:06:410
111391270,0ptp4l0-21swapper/711:43:137
111391270,0ptp4l0-21swapper/510:20:035
111391270,0ptp4l0-21swapper/509:48:375
111391270,0ptp4l0-21swapper/509:48:375
111391270,0ptp4l0-21swapper/412:30:534
111391270,0ptp4l0-21swapper/409:19:454
111391270,0ptp4l0-21swapper/408:10:124
111391270,0ptp4l0-21swapper/012:17:330
111391260,3ptp4l0-21swapper/411:13:214
111391260,2ptp4l0-21swapper/011:16:500
111391260,1ptp4l23276-21head07:20:144
111391260,1ptp4l14422-21smart_sda12:20:195
111391260,0ptp4l7756-21diskmemload09:38:520
111391260,0ptp4l0-21swapper/509:37:535
111391260,0ptp4l0-21swapper/509:33:565
111391260,0ptp4l0-21swapper/509:00:105
111391260,0ptp4l0-21swapper/412:38:284
111391260,0ptp4l0-21swapper/412:02:114
111391260,0ptp4l0-21swapper/411:46:474
111391260,0ptp4l0-21swapper/411:39:394
111391260,0ptp4l0-21swapper/409:13:544
111391260,0ptp4l0-21swapper/409:05:134
111391260,0ptp4l0-21swapper/011:53:570
111391260,0ptp4l0-21swapper/011:04:070
111391260,0ptp4l0-21swapper/010:54:440
111391260,0ptp4l0-21swapper/010:25:290
111391260,0ptp4l0-21swapper/008:35:170
111391250,1ptp4l24197-21users09:30:190
111391250,1ptp4l121rcu_preempt11:48:031
111391250,1ptp4l101ktimersoftd/008:10:000
111391250,0ptp4l0-21swapper/512:10:175
111391250,0ptp4l0-21swapper/510:57:265
111391250,0ptp4l0-21swapper/509:14:035
111391250,0ptp4l0-21swapper/508:34:595
111391250,0ptp4l0-21swapper/412:29:394
111391250,0ptp4l0-21swapper/412:29:394
111391250,0ptp4l0-21swapper/410:41:234
111391250,0ptp4l0-21swapper/408:45:134
111391250,0ptp4l0-21swapper/407:15:214
111391250,0ptp4l0-21swapper/112:10:221
111391250,0ptp4l0-21swapper/111:50:111
111391250,0ptp4l0-21swapper/012:26:410
111391250,0ptp4l0-21swapper/012:26:400
111391250,0ptp4l0-21swapper/010:40:150
111391250,0ptp4l0-21swapper/009:56:520
111391250,0ptp4l0-21swapper/009:18:150
111391250,0ptp4l0-21swapper/009:12:540
17013992416,4cyclictest0-21swapper/508:54:355
17013992416,4cyclictest0-21swapper/508:47:295
111391240,1ptp4l7774-21idleruntime-cro09:10:000
111391240,1ptp4l19756-21latency_hist08:25:005
111391240,1ptp4l16195-21ssh11:37:240
111391240,1ptp4l12173-21df_inode09:15:121
111391240,1ptp4l0-21swapper/011:14:580
111391240,0ptp4l0-21swapper/512:31:475
111391240,0ptp4l0-21swapper/510:48:535
111391240,0ptp4l0-21swapper/508:40:175
111391240,0ptp4l0-21swapper/412:13:524
111391240,0ptp4l0-21swapper/411:40:054
111391240,0ptp4l0-21swapper/410:14:194
111391240,0ptp4l0-21swapper/409:50:484
111391240,0ptp4l0-21swapper/409:35:144
111391240,0ptp4l0-21swapper/409:22:134
111391240,0ptp4l0-21swapper/408:00:014
111391240,0ptp4l0-21swapper/407:45:144
111391240,0ptp4l0-21swapper/407:30:124
111391240,0ptp4l0-21swapper/407:25:114
111391240,0ptp4l0-21swapper/111:30:141
111391240,0ptp4l0-21swapper/110:00:211
111391240,0ptp4l0-21swapper/109:12:011
111391240,0ptp4l0-21swapper/012:20:490
111391240,0ptp4l0-21swapper/012:14:300
111391240,0ptp4l0-21swapper/012:00:570
111391240,0ptp4l0-21swapper/011:05:520
111391240,0ptp4l0-21swapper/010:32:540
111391240,0ptp4l0-21swapper/008:00:190
111391230,3ptp4l0-21swapper/509:24:525
111391230,1ptp4l9-21ksoftirqd/011:58:280
111391230,1ptp4l4992-21cut10:35:165
111391230,1ptp4l0-21swapper/107:40:121
111391230,0ptp4l0-21swapper/709:55:217
111391230,0ptp4l0-21swapper/512:15:365
111391230,0ptp4l0-21swapper/512:00:355
111391230,0ptp4l0-21swapper/511:50:115
111391230,0ptp4l0-21swapper/511:47:145
111391230,0ptp4l0-21swapper/511:35:155
111391230,0ptp4l0-21swapper/511:31:585
111391230,0ptp4l0-21swapper/511:10:185
111391230,0ptp4l0-21swapper/510:25:155
111391230,0ptp4l0-21swapper/510:05:205
111391230,0ptp4l0-21swapper/510:01:305
111391230,0ptp4l0-21swapper/509:53:485
111391230,0ptp4l0-21swapper/509:41:425
111391230,0ptp4l0-21swapper/509:41:415
111391230,0ptp4l0-21swapper/508:55:195
111391230,0ptp4l0-21swapper/508:35:115
111391230,0ptp4l0-21swapper/507:46:155
111391230,0ptp4l0-21swapper/507:40:015
111391230,0ptp4l0-21swapper/412:17:264
111391230,0ptp4l0-21swapper/411:55:014
111391230,0ptp4l0-21swapper/411:25:214
111391230,0ptp4l0-21swapper/411:20:144
111391230,0ptp4l0-21swapper/410:55:134
111391230,0ptp4l0-21swapper/410:00:164
111391230,0ptp4l0-21swapper/408:40:004
111391230,0ptp4l0-21swapper/408:25:214
111391230,0ptp4l0-21swapper/408:05:124
111391230,0ptp4l0-21swapper/408:00:124
111391230,0ptp4l0-21swapper/407:40:204
111391230,0ptp4l0-21swapper/407:35:184
111391230,0ptp4l0-21swapper/112:18:131
111391230,0ptp4l0-21swapper/112:05:221
111391230,0ptp4l0-21swapper/111:35:211
111391230,0ptp4l0-21swapper/111:25:121
111391230,0ptp4l0-21swapper/111:10:191
111391230,0ptp4l0-21swapper/110:58:161
111391230,0ptp4l0-21swapper/110:45:151
111391230,0ptp4l0-21swapper/110:35:101
111391230,0ptp4l0-21swapper/110:31:551
111391230,0ptp4l0-21swapper/110:25:201
111391230,0ptp4l0-21swapper/109:25:001
111391230,0ptp4l0-21swapper/108:55:121
111391230,0ptp4l0-21swapper/108:30:161
111391230,0ptp4l0-21swapper/108:15:161
111391230,0ptp4l0-21swapper/108:15:001
111391230,0ptp4l0-21swapper/010:55:130
111391230,0ptp4l0-21swapper/010:39:540
111391230,0ptp4l0-21swapper/010:04:190
111391230,0ptp4l0-21swapper/009:52:230
111391230,0ptp4l0-21swapper/009:20:140
111391230,0ptp4l0-21swapper/009:00:170
111391230,0ptp4l0-21swapper/008:14:300
111391230,0ptp4l0-21swapper/007:25:130
111391230,0ptp4l0-21swapper/007:20:180
111391220,0ptp4l0-21swapper/611:59:116
111391220,0ptp4l0-21swapper/512:37:575
111391220,0ptp4l0-21swapper/511:41:175
111391220,0ptp4l0-21swapper/511:25:085
111391220,0ptp4l0-21swapper/511:22:215
111391220,0ptp4l0-21swapper/510:50:005
111391220,0ptp4l0-21swapper/510:40:235
111391220,0ptp4l0-21swapper/510:19:555
111391220,0ptp4l0-21swapper/510:10:115
111391220,0ptp4l0-21swapper/509:15:135
111391220,0ptp4l0-21swapper/508:26:435
111391220,0ptp4l0-21swapper/507:40:125
111391220,0ptp4l0-21swapper/412:05:124
111391220,0ptp4l0-21swapper/411:31:394
111391220,0ptp4l0-21swapper/410:36:184
111391220,0ptp4l0-21swapper/410:30:174
111391220,0ptp4l0-21swapper/410:20:104
111391220,0ptp4l0-21swapper/409:58:144
111391220,0ptp4l0-21swapper/409:30:124
111391220,0ptp4l0-21swapper/408:50:104
111391220,0ptp4l0-21swapper/408:43:424
111391220,0ptp4l0-21swapper/408:30:204
111391220,0ptp4l0-21swapper/408:20:164
111391220,0ptp4l0-21swapper/309:55:183
111391220,0ptp4l0-21swapper/112:37:431
111391220,0ptp4l0-21swapper/112:20:011
111391220,0ptp4l0-21swapper/112:00:161
111391220,0ptp4l0-21swapper/111:24:491
111391220,0ptp4l0-21swapper/110:40:221
111391220,0ptp4l0-21swapper/110:19:581
111391220,0ptp4l0-21swapper/110:10:011
111391220,0ptp4l0-21swapper/109:57:591
111391220,0ptp4l0-21swapper/109:53:581
111391220,0ptp4l0-21swapper/109:49:391
111391220,0ptp4l0-21swapper/109:49:391
111391220,0ptp4l0-21swapper/109:35:191
111391220,0ptp4l0-21swapper/109:30:011
111391220,0ptp4l0-21swapper/109:25:131
111391220,0ptp4l0-21swapper/109:00:111
111391220,0ptp4l0-21swapper/108:40:181
111391220,0ptp4l0-21swapper/107:10:011
111391220,0ptp4l0-21swapper/011:20:120
111391220,0ptp4l0-21swapper/009:45:170
111391220,0ptp4l0-21swapper/009:45:170
111391220,0ptp4l0-21swapper/009:27:250
111391220,0ptp4l0-21swapper/008:50:110
111391220,0ptp4l0-21swapper/008:45:180
111391220,0ptp4l0-21swapper/008:30:170
111391220,0ptp4l0-21swapper/008:25:190
111391220,0ptp4l0-21swapper/008:20:120
111391220,0ptp4l0-21swapper/007:55:150
111391220,0ptp4l0-21swapper/007:50:400
111391220,0ptp4l0-21swapper/007:45:120
111391220,0ptp4l0-21swapper/007:40:160
111391220,0ptp4l0-21swapper/007:35:130
111391220,0ptp4l0-21swapper/007:30:140
111391210,6ptp4l0-21swapper/108:46:021
111391210,2ptp4l0-21swapper/111:19:041
111391210,0ptp4l0-21swapper/612:23:316
111391210,0ptp4l0-21swapper/612:19:196
111391210,0ptp4l0-21swapper/611:06:466
111391210,0ptp4l0-21swapper/610:43:156
111391210,0ptp4l0-21swapper/609:46:296
111391210,0ptp4l0-21swapper/609:46:296
111391210,0ptp4l0-21swapper/512:27:165
111391210,0ptp4l0-21swapper/512:27:165
111391210,0ptp4l0-21swapper/511:56:515
111391210,0ptp4l0-21swapper/509:57:455
111391210,0ptp4l0-21swapper/508:15:195
111391210,0ptp4l0-21swapper/507:54:085
111391210,0ptp4l0-21swapper/507:27:295
111391210,0ptp4l0-21swapper/407:12:394
111391210,0ptp4l0-21swapper/212:23:352
111391210,0ptp4l0-21swapper/212:19:182
111391210,0ptp4l0-21swapper/210:51:382
111391210,0ptp4l0-21swapper/210:43:162
111391210,0ptp4l0-21swapper/209:43:492
111391210,0ptp4l0-21swapper/209:43:492
111391210,0ptp4l0-21swapper/112:31:191
111391210,0ptp4l0-21swapper/112:27:071
111391210,0ptp4l0-21swapper/112:27:071
111391210,0ptp4l0-21swapper/111:56:561
111391210,0ptp4l0-21swapper/111:40:511
111391210,0ptp4l0-21swapper/111:06:291
111391210,0ptp4l0-21swapper/111:02:501
111391210,0ptp4l0-21swapper/110:50:301
111391210,0ptp4l0-21swapper/109:41:171
111391210,0ptp4l0-21swapper/109:41:171
111391210,0ptp4l0-21swapper/108:01:001
111391210,0ptp4l0-21swapper/107:45:011
111391210,0ptp4l0-21swapper/008:44:100
111391200,3ptp4l0-21swapper/107:32:381
111391200,0ptp4l0-21swapper/612:33:166
111391200,0ptp4l0-21swapper/508:08:325
111391200,0ptp4l0-21swapper/507:21:285
111391200,0ptp4l0-21swapper/408:19:294
111391200,0ptp4l0-21swapper/211:06:472
111391200,0ptp4l0-21swapper/108:06:291
111391200,0ptp4l0-21swapper/107:57:071
111391200,0ptp4l0-21swapper/008:19:340
111391200,0ptp4l0-21swapper/007:13:230
111391190,0ptp4l0-21swapper/610:27:226
111391190,0ptp4l0-21swapper/609:43:496
111391190,0ptp4l0-21swapper/609:43:496
111391190,0ptp4l0-21swapper/511:06:265
111391190,0ptp4l0-21swapper/509:06:305
111391190,0ptp4l0-21swapper/507:33:085
111391190,0ptp4l0-21swapper/408:59:554
111391190,0ptp4l0-21swapper/309:03:473
111391190,0ptp4l0-21swapper/308:52:093
111391190,0ptp4l0-21swapper/212:33:142
111391190,0ptp4l0-21swapper/207:34:122
111391190,0ptp4l0-21swapper/108:53:091
111391180,2ptp4l0-21swapper/108:38:411
111391180,0ptp4l0-21swapper/607:24:336
111391180,0ptp4l0-21swapper/511:17:435
111391180,0ptp4l0-21swapper/508:14:555
111391180,0ptp4l0-21swapper/209:39:482
1700199177,9cyclictest3408-21turbostat07:50:013
111391170,2ptp4l0-21swapper/109:09:311
111391170,0ptp4l0-21swapper/609:24:156
111391170,0ptp4l0-21swapper/507:18:265
111391170,0ptp4l0-21swapper/107:53:301
111391160,0ptp4l0-21swapper/209:24:142
111391160,0ptp4l0-21swapper/108:28:521
111391160,0ptp4l0-21swapper/108:24:181
111391160,0ptp4l0-21swapper/107:36:321
111391160,0ptp4l0-21swapper/107:28:041
111391150,0ptp4l0-21swapper/709:03:477
111391150,0ptp4l0-21swapper/708:52:107
111391150,0ptp4l0-21swapper/610:51:396
111391150,0ptp4l0-21swapper/609:39:506
111391150,0ptp4l0-21swapper/609:04:376
111391150,0ptp4l0-21swapper/608:57:116
111391150,0ptp4l0-21swapper/508:00:585
111391150,0ptp4l0-21swapper/507:55:445
111391150,0ptp4l0-21swapper/307:25:423
111391150,0ptp4l0-21swapper/209:46:292
111391150,0ptp4l0-21swapper/209:46:292
111391150,0ptp4l0-21swapper/209:04:362
111391150,0ptp4l0-21swapper/207:54:282
111391150,0ptp4l0-21swapper/207:26:012
111391150,0ptp4l0-21swapper/207:24:262
111391150,0ptp4l0-21swapper/107:21:221
111391150,0ptp4l0-21swapper/107:15:361
111391150,0ptp4l0-21swapper/008:56:540
1702999140,1cyclictest0-21swapper/712:15:207
16993991412,1cyclictest0-21swapper/209:25:182
111391140,0ptp4l0-21swapper/707:25:457
111391140,0ptp4l0-21swapper/607:54:266
111391140,0ptp4l0-21swapper/607:34:116
111391140,0ptp4l0-21swapper/607:26:016
111391140,0ptp4l0-21swapper/210:28:052
111391140,0ptp4l0-21swapper/208:57:122
111391140,0ptp4l0-21swapper/208:37:042
111391140,0ptp4l0-21swapper/208:31:142
111391140,0ptp4l0-21swapper/207:16:142
17021991311,1cyclictest0-21swapper/607:10:146
17021991210,1cyclictest17048-21munin-run11:40:006
1700199110,10cyclictest0-21swapper/310:54:203
1700199110,10cyclictest0-21swapper/309:13:453
1699399110,1cyclictest0-21swapper/211:54:542
1699399110,10cyclictest0-21swapper/211:22:512
1702999100,9cyclictest0-21swapper/712:36:117
1702999100,9cyclictest0-21swapper/709:39:337
1702999100,0cyclictest0-21swapper/710:55:557
1700199109,0cyclictest0-21swapper/309:53:123
1700199100,9cyclictest0-21swapper/312:11:583
1700199100,9cyclictest0-21swapper/311:59:523
1700199100,9cyclictest0-21swapper/311:27:203
1700199100,9cyclictest0-21swapper/311:09:253
1700199100,9cyclictest0-21swapper/310:12:133
1699399109,0cyclictest0-21swapper/209:16:012
1699399100,9cyclictest0-21swapper/212:37:112
1699399100,9cyclictest0-21swapper/212:28:132
1699399100,9cyclictest0-21swapper/212:28:132
1699399100,9cyclictest0-21swapper/212:07:292
1699399100,9cyclictest0-21swapper/211:39:302
1699399100,9cyclictest0-21swapper/209:54:132
170299998,0cyclictest0-21swapper/712:07:547
170299990,8cyclictest0-21swapper/710:17:537
170299990,0cyclictest0-21swapper/711:25:567
170299990,0cyclictest0-21swapper/710:44:087
170299990,0cyclictest0-21swapper/710:03:267
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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