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2025-12-17 - 20:10

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 Dec 17, 2025 12:46:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
126892650,0sleep40-21swapper/410:10:004
111391640,4ptp4l0-21swapper/607:05:316
105152630,1sleep1241ktimersoftd/108:55:001
111391610,30ptp4l0-21swapper/007:05:480
126212600,0sleep70-21swapper/712:30:117
111391600,29ptp4l0-21swapper/107:06:121
100972600,0sleep10-21swapper/111:15:011
2625425949,6sleep20-21swapper/207:09:222
111582560,0sleep30-21swapper/307:45:103
2606225444,6sleep70-21swapper/707:06:557
111391520,5ptp4l0-21swapper/407:06:264
111391500,5ptp4l0-21swapper/507:07:495
2607824635,7sleep30-21swapper/307:07:073
111391350,1ptp4l19880-21munin-run08:05:000
111391340,0ptp4l0-21swapper/007:50:150
111391290,0ptp4l0-21swapper/411:21:284
111391290,0ptp4l0-21swapper/410:00:114
2660499283,0cyclictest0-21swapper/510:14:485
111391280,0ptp4l0-21swapper/509:20:195
111391270,0ptp4l0-21swapper/509:30:195
111391270,0ptp4l0-21swapper/112:35:161
111391260,0ptp4l0-21swapper/512:10:005
111391260,0ptp4l0-21swapper/009:45:100
111391250,0ptp4l0-21swapper/508:55:125
111391250,0ptp4l0-21swapper/508:55:125
111391250,0ptp4l0-21swapper/411:30:134
111391250,0ptp4l0-21swapper/411:00:114
111391250,0ptp4l0-21swapper/012:15:150
111391250,0ptp4l0-21swapper/011:45:100
111391250,0ptp4l0-21swapper/009:35:120
111391250,0ptp4l0-21swapper/007:40:200
111391240,1ptp4l32396-21switchtime10:50:190
111391240,1ptp4l31509-21df_inode10:50:111
111391240,1ptp4l31300-21smartctl12:00:131
111391240,1ptp4l1197-21diskstats12:05:114
111391240,0ptp4l0-21swapper/510:30:115
111391240,0ptp4l0-21swapper/410:35:264
111391240,0ptp4l0-21swapper/407:20:154
111391240,0ptp4l0-21swapper/011:15:170
111391240,0ptp4l0-21swapper/010:45:140
111391240,0ptp4l0-21swapper/010:40:000
111391240,0ptp4l0-21swapper/010:20:150
111391240,0ptp4l0-21swapper/010:14:230
111391240,0ptp4l0-21swapper/010:00:110
111391240,0ptp4l0-21swapper/009:40:170
111391240,0ptp4l0-21swapper/009:25:190
111391240,0ptp4l0-21swapper/008:50:110
111391230,1ptp4l8915-21sendmail_mailst12:20:170
111391230,1ptp4l6797-21sed12:15:174
111391230,1ptp4l4777-21missed_timers08:40:160
111391230,1ptp4l4327-21missed_timers11:00:160
111391230,1ptp4l16208-21sed11:25:184
111391230,1ptp4l13635-21df07:50:104
111391230,1ptp4l0-21swapper/409:45:134
111391230,0ptp4l0-21swapper/512:35:165
111391230,0ptp4l0-21swapper/512:25:205
111391230,0ptp4l0-21swapper/511:40:155
111391230,0ptp4l0-21swapper/511:40:155
111391230,0ptp4l0-21swapper/510:55:155
111391230,0ptp4l0-21swapper/508:05:155
111391230,0ptp4l0-21swapper/412:25:164
111391230,0ptp4l0-21swapper/411:50:154
111391230,0ptp4l0-21swapper/411:45:144
111391230,0ptp4l0-21swapper/410:45:124
111391230,0ptp4l0-21swapper/409:55:144
111391230,0ptp4l0-21swapper/409:45:004
111391230,0ptp4l0-21swapper/409:30:114
111391230,0ptp4l0-21swapper/409:10:124
111391230,0ptp4l0-21swapper/408:20:174
111391230,0ptp4l0-21swapper/408:15:154
111391230,0ptp4l0-21swapper/408:12:024
111391230,0ptp4l0-21swapper/407:40:124
111391230,0ptp4l0-21swapper/407:15:194
111391230,0ptp4l0-21swapper/112:30:171
111391230,0ptp4l0-21swapper/109:35:151
111391230,0ptp4l0-21swapper/108:27:351
111391230,0ptp4l0-21swapper/107:35:001
111391230,0ptp4l0-21swapper/012:10:090
111391230,0ptp4l0-21swapper/011:00:010
111391230,0ptp4l0-21swapper/010:25:130
111391230,0ptp4l0-21swapper/010:15:140
111391230,0ptp4l0-21swapper/008:30:160
111391220,0ptp4l0-21swapper/608:10:176
111391220,0ptp4l0-21swapper/512:30:195
111391220,0ptp4l0-21swapper/512:00:175
111391220,0ptp4l0-21swapper/511:35:145
111391220,0ptp4l0-21swapper/511:35:135
111391220,0ptp4l0-21swapper/511:20:275
111391220,0ptp4l0-21swapper/511:01:445
111391220,0ptp4l0-21swapper/510:45:185
111391220,0ptp4l0-21swapper/510:28:215
111391220,0ptp4l0-21swapper/509:55:015
111391220,0ptp4l0-21swapper/509:53:535
111391220,0ptp4l0-21swapper/509:35:155
111391220,0ptp4l0-21swapper/509:15:195
111391220,0ptp4l0-21swapper/508:30:135
111391220,0ptp4l0-21swapper/508:25:165
111391220,0ptp4l0-21swapper/508:18:225
111391220,0ptp4l0-21swapper/507:55:145
111391220,0ptp4l0-21swapper/507:45:125
111391220,0ptp4l0-21swapper/507:10:185
111391220,0ptp4l0-21swapper/412:35:014
111391220,0ptp4l0-21swapper/412:20:164
111391220,0ptp4l0-21swapper/412:10:154
111391220,0ptp4l0-21swapper/411:55:114
111391220,0ptp4l0-21swapper/411:45:014
111391220,0ptp4l0-21swapper/411:45:004
111391220,0ptp4l0-21swapper/411:05:184
111391220,0ptp4l0-21swapper/410:40:134
111391220,0ptp4l0-21swapper/410:25:094
111391220,0ptp4l0-21swapper/410:20:114
111391220,0ptp4l0-21swapper/409:50:174
111391220,0ptp4l0-21swapper/409:25:124
111391220,0ptp4l0-21swapper/409:05:134
111391220,0ptp4l0-21swapper/409:00:124
111391220,0ptp4l0-21swapper/409:00:124
111391220,0ptp4l0-21swapper/408:50:174
111391220,0ptp4l0-21swapper/408:40:164
111391220,0ptp4l0-21swapper/408:35:124
111391220,0ptp4l0-21swapper/408:30:144
111391220,0ptp4l0-21swapper/408:00:194
111391220,0ptp4l0-21swapper/407:47:414
111391220,0ptp4l0-21swapper/407:35:154
111391220,0ptp4l0-21swapper/407:30:164
111391220,0ptp4l0-21swapper/407:25:124
111391220,0ptp4l0-21swapper/210:00:152
111391220,0ptp4l0-21swapper/209:05:192
111391220,0ptp4l0-21swapper/208:10:202
111391220,0ptp4l0-21swapper/112:23:191
111391220,0ptp4l0-21swapper/111:40:011
111391220,0ptp4l0-21swapper/111:40:001
111391220,0ptp4l0-21swapper/111:35:121
111391220,0ptp4l0-21swapper/111:35:121
111391220,0ptp4l0-21swapper/110:55:201
111391220,0ptp4l0-21swapper/110:10:011
111391220,0ptp4l0-21swapper/110:01:231
111391220,0ptp4l0-21swapper/109:47:361
111391220,0ptp4l0-21swapper/109:30:181
111391220,0ptp4l0-21swapper/109:20:121
111391220,0ptp4l0-21swapper/109:15:201
111391220,0ptp4l0-21swapper/108:45:131
111391220,0ptp4l0-21swapper/108:20:111
111391220,0ptp4l0-21swapper/107:55:131
111391220,0ptp4l0-21swapper/107:20:191
111391220,0ptp4l0-21swapper/107:10:301
111391220,0ptp4l0-21swapper/012:35:110
111391220,0ptp4l0-21swapper/012:25:130
111391220,0ptp4l0-21swapper/012:05:160
111391220,0ptp4l0-21swapper/011:30:120
111391220,0ptp4l0-21swapper/011:25:200
111391220,0ptp4l0-21swapper/010:40:130
111391220,0ptp4l0-21swapper/010:05:190
111391220,0ptp4l0-21swapper/009:50:150
111391220,0ptp4l0-21swapper/009:05:330
111391220,0ptp4l0-21swapper/008:35:110
111391220,0ptp4l0-21swapper/007:25:160
111391220,0ptp4l0-21swapper/007:15:110
2660499210,5cyclictest0-21swapper/510:09:575
111391210,1ptp4l31876-21irqstats10:50:154
111391210,0ptp4l0-21swapper/709:03:417
111391210,0ptp4l0-21swapper/709:03:417
111391210,0ptp4l0-21swapper/610:00:176
111391210,0ptp4l0-21swapper/512:18:355
111391210,0ptp4l0-21swapper/511:50:005
111391210,0ptp4l0-21swapper/511:16:435
111391210,0ptp4l0-21swapper/511:10:175
111391210,0ptp4l0-21swapper/510:50:125
111391210,0ptp4l0-21swapper/508:45:165
111391210,0ptp4l0-21swapper/508:44:145
111391210,0ptp4l0-21swapper/508:24:075
111391210,0ptp4l0-21swapper/507:43:475
111391210,0ptp4l0-21swapper/507:20:115
111391210,0ptp4l0-21swapper/411:15:004
111391210,0ptp4l0-21swapper/411:10:104
111391210,0ptp4l0-21swapper/410:15:214
111391210,0ptp4l0-21swapper/409:35:184
111391210,0ptp4l0-21swapper/408:45:124
111391210,0ptp4l0-21swapper/407:55:004
111391210,0ptp4l0-21swapper/407:14:454
111391210,0ptp4l0-21swapper/111:20:181
111391210,0ptp4l0-21swapper/111:18:331
111391210,0ptp4l0-21swapper/111:08:501
111391210,0ptp4l0-21swapper/110:45:191
111391210,0ptp4l0-21swapper/110:30:131
111391210,0ptp4l0-21swapper/110:18:011
111391210,0ptp4l0-21swapper/110:05:121
111391210,0ptp4l0-21swapper/107:45:181
111391210,0ptp4l0-21swapper/107:41:231
111391210,0ptp4l0-21swapper/012:32:130
111391210,0ptp4l0-21swapper/011:55:130
111391210,0ptp4l0-21swapper/011:50:110
111391210,0ptp4l0-21swapper/011:05:120
111391210,0ptp4l0-21swapper/010:35:000
111391210,0ptp4l0-21swapper/009:55:150
111391210,0ptp4l0-21swapper/009:30:120
111391210,0ptp4l0-21swapper/009:23:510
111391210,0ptp4l0-21swapper/009:10:130
111391210,0ptp4l0-21swapper/009:00:110
111391210,0ptp4l0-21swapper/009:00:110
111391210,0ptp4l0-21swapper/008:45:010
111391210,0ptp4l0-21swapper/008:20:180
111391210,0ptp4l0-21swapper/008:15:170
111391210,0ptp4l0-21swapper/007:47:590
111391210,0ptp4l0-21swapper/007:35:170
111391210,0ptp4l0-21swapper/007:30:150
111391200,4ptp4l0-21swapper/108:36:071
111391200,3ptp4l0-21swapper/112:19:031
111391200,0ptp4l0-21swapper/512:13:485
111391200,0ptp4l0-21swapper/509:25:015
111391200,0ptp4l0-21swapper/509:09:085
111391200,0ptp4l0-21swapper/508:52:075
111391200,0ptp4l0-21swapper/508:13:335
111391200,0ptp4l0-21swapper/507:34:375
111391200,0ptp4l0-21swapper/412:30:594
111391200,0ptp4l0-21swapper/410:31:274
111391200,0ptp4l0-21swapper/410:11:304
111391200,0ptp4l0-21swapper/409:21:254
111391200,0ptp4l0-21swapper/408:55:164
111391200,0ptp4l0-21swapper/408:55:154
111391200,0ptp4l0-21swapper/112:06:431
111391200,0ptp4l0-21swapper/110:41:281
111391200,0ptp4l0-21swapper/110:29:591
111391200,0ptp4l0-21swapper/110:24:261
111391200,0ptp4l0-21swapper/109:57:451
111391200,0ptp4l0-21swapper/109:40:051
111391200,0ptp4l0-21swapper/108:55:111
111391200,0ptp4l0-21swapper/108:55:101
111391200,0ptp4l0-21swapper/108:17:481
111391200,0ptp4l0-21swapper/108:05:151
111391200,0ptp4l0-21swapper/107:38:411
111391200,0ptp4l0-21swapper/011:41:240
111391200,0ptp4l0-21swapper/011:41:230
111391200,0ptp4l0-21swapper/011:11:000
111391200,0ptp4l0-21swapper/008:59:250
111391200,0ptp4l0-21swapper/008:59:250
111391200,0ptp4l0-21swapper/008:10:120
111391200,0ptp4l0-21swapper/007:20:160
2660499190,5cyclictest0-21swapper/511:55:335
111391190,2ptp4l0-21swapper/012:04:350
111391190,0ptp4l0-21swapper/708:31:247
111391190,0ptp4l0-21swapper/610:22:536
111391190,0ptp4l0-21swapper/512:23:455
111391190,0ptp4l0-21swapper/511:48:125
111391190,0ptp4l0-21swapper/510:41:195
111391190,0ptp4l0-21swapper/510:03:185
111391190,0ptp4l0-21swapper/509:42:585
111391190,0ptp4l0-21swapper/508:00:425
111391190,0ptp4l0-21swapper/411:36:244
111391190,0ptp4l0-21swapper/411:36:234
111391190,0ptp4l0-21swapper/410:59:174
111391190,0ptp4l0-21swapper/408:29:004
111391190,0ptp4l0-21swapper/309:04:043
111391190,0ptp4l0-21swapper/309:04:043
111391190,0ptp4l0-21swapper/308:30:583
111391190,0ptp4l0-21swapper/211:28:272
111391190,0ptp4l0-21swapper/112:25:181
111391190,0ptp4l0-21swapper/112:10:551
111391190,0ptp4l0-21swapper/111:57:051
111391190,0ptp4l0-21swapper/111:53:011
111391190,0ptp4l0-21swapper/109:07:391
111391190,0ptp4l0-21swapper/109:04:171
111391190,0ptp4l0-21swapper/109:04:161
111391190,0ptp4l0-21swapper/108:41:561
111391190,0ptp4l0-21swapper/108:12:461
111391190,0ptp4l0-21swapper/011:38:000
111391190,0ptp4l0-21swapper/011:37:590
111391190,0ptp4l0-21swapper/011:21:370
111391190,0ptp4l0-21swapper/007:59:240
111391180,0ptp4l0-21swapper/507:38:505
111391180,0ptp4l0-21swapper/210:47:142
111391180,0ptp4l0-21swapper/109:14:551
111391180,0ptp4l0-21swapper/108:04:551
111391180,0ptp4l0-21swapper/008:26:050
111391180,0ptp4l0-21swapper/008:06:590
2660499176,10cyclictest0-21swapper/509:48:375
111391170,2ptp4l0-21swapper/109:25:281
111391170,0ptp4l0-21swapper/609:05:176
111391170,0ptp4l0-21swapper/511:29:225
111391170,0ptp4l0-21swapper/509:11:515
111391170,0ptp4l0-21swapper/409:18:414
111391170,0ptp4l0-21swapper/408:06:394
111391170,0ptp4l0-21swapper/111:02:391
2660499162,9cyclictest0-21swapper/510:38:155
2660499160,10cyclictest0-21swapper/511:31:385
111391160,0ptp4l0-21swapper/111:48:021
111391160,0ptp4l0-21swapper/111:31:391
111391160,0ptp4l0-21swapper/110:36:121
111391160,0ptp4l0-21swapper/109:53:531
111391160,0ptp4l0-21swapper/107:50:341
111391160,0ptp4l0-21swapper/107:25:251
111391160,0ptp4l0-21swapper/009:16:020
2660499150,10cyclictest0-21swapper/507:51:275
111391150,0ptp4l0-21swapper/707:59:497
111391150,0ptp4l0-21swapper/707:27:287
111391150,0ptp4l0-21swapper/707:20:597
111391150,0ptp4l0-21swapper/612:20:546
111391150,0ptp4l0-21swapper/612:02:006
111391150,0ptp4l0-21swapper/611:59:526
111391150,0ptp4l0-21swapper/611:28:286
111391150,0ptp4l0-21swapper/611:19:066
111391150,0ptp4l0-21swapper/610:45:296
111391150,0ptp4l0-21swapper/610:11:196
111391150,0ptp4l0-21swapper/609:30:376
111391150,0ptp4l0-21swapper/609:22:026
111391150,0ptp4l0-21swapper/608:22:166
111391150,0ptp4l0-21swapper/607:52:156
111391150,0ptp4l0-21swapper/607:26:076
111391150,0ptp4l0-21swapper/607:17:276
111391150,0ptp4l0-21swapper/511:07:175
111391150,0ptp4l0-21swapper/510:22:245
111391150,0ptp4l0-21swapper/510:15:025
111391150,0ptp4l0-21swapper/509:00:275
111391150,0ptp4l0-21swapper/509:00:275
111391150,0ptp4l0-21swapper/508:35:425
111391150,0ptp4l0-21swapper/507:29:275
111391150,0ptp4l0-21swapper/507:15:025
111391150,0ptp4l0-21swapper/412:02:064
111391150,0ptp4l0-21swapper/307:28:003
111391150,0ptp4l0-21swapper/307:20:583
111391150,0ptp4l0-21swapper/212:20:592
111391150,0ptp4l0-21swapper/211:23:242
111391150,0ptp4l0-21swapper/211:19:052
111391150,0ptp4l0-21swapper/209:48:342
111391150,0ptp4l0-21swapper/209:22:032
111391150,0ptp4l0-21swapper/207:52:042
111391150,0ptp4l0-21swapper/207:17:282
111391150,0ptp4l0-21swapper/111:27:411
111391150,0ptp4l0-21swapper/108:33:081
111391150,0ptp4l0-21swapper/107:17:161
111391150,0ptp4l0-21swapper/007:10:590
111391140,0ptp4l0-21swapper/611:23:246
111391140,0ptp4l0-21swapper/611:09:306
111391140,0ptp4l0-21swapper/608:05:496
111391140,0ptp4l0-21swapper/307:59:463
111391140,0ptp4l0-21swapper/212:01:592
111391140,0ptp4l0-21swapper/211:59:512
111391140,0ptp4l0-21swapper/211:09:322
111391140,0ptp4l0-21swapper/210:22:522
111391140,0ptp4l0-21swapper/210:11:172
111391140,0ptp4l0-21swapper/209:30:352
111391140,0ptp4l0-21swapper/208:56:012
111391140,0ptp4l0-21swapper/208:56:012
111391140,0ptp4l0-21swapper/208:22:142
111391140,0ptp4l0-21swapper/208:05:482
111391140,0ptp4l0-21swapper/207:26:032
26611991210,1cyclictest0-21swapper/609:50:176
2661199100,0cyclictest0-21swapper/610:35:186
266119998,0cyclictest0-21swapper/608:16:026
266199987,0cyclictest0-21swapper/712:25:137
266199987,0cyclictest0-21swapper/712:05:167
266199980,7cyclictest31091-21sshd08:26:587
266119987,0cyclictest0-21swapper/610:53:306
266119987,0cyclictest0-21swapper/607:55:186
266119985,2cyclictest23973-21latency_hist10:35:006
266119980,3cyclictest0-21swapper/612:11:006
266119980,0cyclictest0-21swapper/610:07:296
266119980,0cyclictest0-21swapper/607:37:516
265919980,3cyclictest0-21swapper/311:59:043
265849985,2cyclictest29934-21cut08:25:152
265849980,7cyclictest4353-21smart_sda12:10:172
266199975,1cyclictest7690-21crond11:10:007
266199974,2cyclictest26976-21cpuspeed_turbos09:30:107
266199971,3cyclictest0-21swapper/708:45:067
266119975,1cyclictest7924-21sadc10:00:006
266119970,6cyclictest0-21swapper/611:13:006
266119970,6cyclictest0-21swapper/610:44:146
266119970,6cyclictest0-21swapper/609:19:506
265919975,1cyclictest1061-21snmpd10:24:253
265919975,1cyclictest0-21swapper/307:15:103
265919973,3cyclictest0-21swapper/309:15:123
265919970,6cyclictest0-21swapper/310:32:053
265919970,1cyclictest0-21swapper/309:35:103
265849970,6cyclictest30952-21sshd09:38:122
265849970,6cyclictest0-21swapper/212:37:382
265849970,4cyclictest0-21swapper/210:32:222
265849970,0cyclictest0-21swapper/208:40:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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