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2025-12-19 - 21:56

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 Fri Dec 19, 2025 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1881916331,12phc2sys0-21swapper/107:05:151
111391620,5ptp4l0-21swapper/007:06:090
2812526050,6sleep70-21swapper/707:05:267
111391600,5ptp4l0-21swapper/407:06:514
2837925444,6sleep20-21swapper/207:08:422
2836125140,6sleep60-21swapper/607:08:306
2828524635,7sleep30-21swapper/307:07:303
2657224635,7sleep50-21swapper/507:05:085
111391450,0ptp4l21487-21sshd10:24:121
111391350,0ptp4l0-21swapper/409:50:124
111391330,0ptp4l0-21swapper/110:45:121
111391310,0ptp4l0-21swapper/408:55:134
111391310,0ptp4l0-21swapper/011:55:170
111391300,4ptp4l12581-21hddtemp_smartct12:25:114
111391300,2ptp4l0-21swapper/008:50:140
111391290,3ptp4l0-21swapper/008:10:120
111391290,0ptp4l0-21swapper/410:05:204
111391290,0ptp4l0-21swapper/408:10:154
111391290,0ptp4l0-21swapper/407:50:194
111391290,0ptp4l0-21swapper/011:30:220
111391290,0ptp4l0-21swapper/011:01:000
111391280,0ptp4l0-21swapper/509:25:225
111391280,0ptp4l0-21swapper/012:05:110
111391270,1ptp4l0-21swapper/010:10:190
111391260,0ptp4l0-21swapper/012:32:210
111391260,0ptp4l0-21swapper/010:15:150
111391250,1ptp4l9530-21smartctl08:45:180
111391250,0ptp4l0-21swapper/508:25:305
111391250,0ptp4l0-21swapper/412:35:124
111391250,0ptp4l0-21swapper/409:30:104
111391250,0ptp4l0-21swapper/409:25:144
111391250,0ptp4l0-21swapper/012:25:170
111391250,0ptp4l0-21swapper/009:48:120
111391240,1ptp4l7012-21irqstats07:30:144
111391240,1ptp4l29228-21diskstats07:10:120
111391240,1ptp4l27718-21switchtime10:35:180
111391240,1ptp4l16322-21memory07:50:160
111391240,1ptp4l15467-21irqstats11:20:175
111391240,0ptp4l0-21swapper/507:25:165
111391240,0ptp4l0-21swapper/411:37:054
111391240,0ptp4l0-21swapper/411:25:184
111391240,0ptp4l0-21swapper/409:00:114
111391240,0ptp4l0-21swapper/408:35:114
111391240,0ptp4l0-21swapper/110:00:001
111391240,0ptp4l0-21swapper/012:35:120
111391240,0ptp4l0-21swapper/011:05:190
111391240,0ptp4l0-21swapper/008:25:190
2877599230,4cyclictest0-21swapper/411:34:414
111391230,1ptp4l4652-21irqrtprio07:25:151
111391230,1ptp4l26391-21munin-run09:25:014
111391230,1ptp4l24779-21hddtemp_smartct09:20:140
111391230,1ptp4l12633-21latency_hist10:05:004
111391230,1ptp4l10776-21smartctl10:00:120
111391230,0ptp4l0-21swapper/608:20:216
111391230,0ptp4l0-21swapper/510:55:145
111391230,0ptp4l0-21swapper/509:55:145
111391230,0ptp4l0-21swapper/507:35:125
111391230,0ptp4l0-21swapper/412:15:154
111391230,0ptp4l0-21swapper/411:50:194
111391230,0ptp4l0-21swapper/411:15:174
111391230,0ptp4l0-21swapper/410:44:554
111391230,0ptp4l0-21swapper/410:44:554
111391230,0ptp4l0-21swapper/410:23:244
111391230,0ptp4l0-21swapper/410:10:204
111391230,0ptp4l0-21swapper/409:40:154
111391230,0ptp4l0-21swapper/409:15:184
111391230,0ptp4l0-21swapper/408:30:134
111391230,0ptp4l0-21swapper/408:20:134
111391230,0ptp4l0-21swapper/407:55:124
111391230,0ptp4l0-21swapper/407:50:004
111391230,0ptp4l0-21swapper/308:33:413
111391230,0ptp4l0-21swapper/112:20:161
111391230,0ptp4l0-21swapper/111:20:141
111391230,0ptp4l0-21swapper/108:35:201
111391230,0ptp4l0-21swapper/012:22:580
111391230,0ptp4l0-21swapper/012:15:170
111391230,0ptp4l0-21swapper/012:10:200
111391230,0ptp4l0-21swapper/011:40:170
111391230,0ptp4l0-21swapper/011:25:130
111391230,0ptp4l0-21swapper/010:50:150
111391230,0ptp4l0-21swapper/010:05:120
111391230,0ptp4l0-21swapper/009:33:560
111391230,0ptp4l0-21swapper/009:28:420
111391230,0ptp4l0-21swapper/009:14:180
111391230,0ptp4l0-21swapper/007:56:480
111391230,0ptp4l0-21swapper/007:40:220
111391230,0ptp4l0-21swapper/007:15:010
111391220,6ptp4l28734-21cyclictest08:26:141
111391220,4ptp4l0-21swapper/407:38:324
111391220,0ptp4l21026-21strings08:00:165
111391220,0ptp4l21026-21strings08:00:165
111391220,0ptp4l0-21swapper/708:40:187
111391220,0ptp4l0-21swapper/708:31:367
111391220,0ptp4l0-21swapper/512:20:135
111391220,0ptp4l0-21swapper/510:45:155
111391220,0ptp4l0-21swapper/510:40:115
111391220,0ptp4l0-21swapper/510:40:115
111391220,0ptp4l0-21swapper/510:25:185
111391220,0ptp4l0-21swapper/509:05:155
111391220,0ptp4l0-21swapper/508:15:115
111391220,0ptp4l0-21swapper/507:32:255
111391220,0ptp4l0-21swapper/507:20:165
111391220,0ptp4l0-21swapper/412:30:164
111391220,0ptp4l0-21swapper/412:10:154
111391220,0ptp4l0-21swapper/412:05:134
111391220,0ptp4l0-21swapper/412:00:124
111391220,0ptp4l0-21swapper/411:55:014
111391220,0ptp4l0-21swapper/411:40:024
111391220,0ptp4l0-21swapper/411:10:194
111391220,0ptp4l0-21swapper/411:05:164
111391220,0ptp4l0-21swapper/411:00:144
111391220,0ptp4l0-21swapper/410:50:134
111391220,0ptp4l0-21swapper/410:35:174
111391220,0ptp4l0-21swapper/410:15:174
111391220,0ptp4l0-21swapper/409:45:194
111391220,0ptp4l0-21swapper/409:35:124
111391220,0ptp4l0-21swapper/409:10:134
111391220,0ptp4l0-21swapper/408:50:194
111391220,0ptp4l0-21swapper/408:45:124
111391220,0ptp4l0-21swapper/408:25:194
111391220,0ptp4l0-21swapper/408:16:204
111391220,0ptp4l0-21swapper/408:05:094
111391220,0ptp4l0-21swapper/408:00:124
111391220,0ptp4l0-21swapper/408:00:124
111391220,0ptp4l0-21swapper/407:40:134
111391220,0ptp4l0-21swapper/407:15:194
111391220,0ptp4l0-21swapper/407:10:164
111391220,0ptp4l0-21swapper/308:40:163
111391220,0ptp4l0-21swapper/308:38:043
111391220,0ptp4l0-21swapper/207:16:502
111391220,0ptp4l0-21swapper/111:30:221
111391220,0ptp4l0-21swapper/111:10:211
111391220,0ptp4l0-21swapper/110:55:161
111391220,0ptp4l0-21swapper/110:40:151
111391220,0ptp4l0-21swapper/110:40:151
111391220,0ptp4l0-21swapper/110:30:201
111391220,0ptp4l0-21swapper/110:10:111
111391220,0ptp4l0-21swapper/108:00:181
111391220,0ptp4l0-21swapper/108:00:181
111391220,0ptp4l0-21swapper/107:35:131
111391220,0ptp4l0-21swapper/107:20:121
111391220,0ptp4l0-21swapper/012:00:200
111391220,0ptp4l0-21swapper/011:50:130
111391220,0ptp4l0-21swapper/011:45:140
111391220,0ptp4l0-21swapper/011:35:170
111391220,0ptp4l0-21swapper/011:15:150
111391220,0ptp4l0-21swapper/011:10:130
111391220,0ptp4l0-21swapper/010:46:310
111391220,0ptp4l0-21swapper/010:30:160
111391220,0ptp4l0-21swapper/010:29:150
111391220,0ptp4l0-21swapper/010:20:120
111391220,0ptp4l0-21swapper/009:50:150
111391220,0ptp4l0-21swapper/009:40:210
111391220,0ptp4l0-21swapper/009:35:140
111391220,0ptp4l0-21swapper/009:15:120
111391220,0ptp4l0-21swapper/009:00:120
111391220,0ptp4l0-21swapper/008:55:190
111391220,0ptp4l0-21swapper/008:35:120
111391220,0ptp4l0-21swapper/008:30:130
111391220,0ptp4l0-21swapper/008:19:000
111391220,0ptp4l0-21swapper/008:05:110
111391220,0ptp4l0-21swapper/007:45:160
111391220,0ptp4l0-21swapper/007:39:060
111391220,0ptp4l0-21swapper/007:30:170
111391220,0ptp4l0-21swapper/007:28:090
111391220,0ptp4l0-21swapper/007:20:130
111391210,3ptp4l0-21swapper/109:49:351
111391210,2ptp4l0-21swapper/410:26:104
111391210,0ptp4l0-21swapper/612:15:106
111391210,0ptp4l0-21swapper/609:00:176
111391210,0ptp4l0-21swapper/512:30:245
111391210,0ptp4l0-21swapper/512:14:485
111391210,0ptp4l0-21swapper/511:51:255
111391210,0ptp4l0-21swapper/510:37:505
111391210,0ptp4l0-21swapper/510:30:205
111391210,0ptp4l0-21swapper/510:24:145
111391210,0ptp4l0-21swapper/510:18:065
111391210,0ptp4l0-21swapper/509:10:125
111391210,0ptp4l0-21swapper/508:59:125
111391210,0ptp4l0-21swapper/508:35:015
111391210,0ptp4l0-21swapper/507:52:035
111391210,0ptp4l0-21swapper/412:24:354
111391210,0ptp4l0-21swapper/411:45:204
111391210,0ptp4l0-21swapper/410:30:144
111391210,0ptp4l0-21swapper/407:29:004
111391210,0ptp4l0-21swapper/209:00:142
111391210,0ptp4l0-21swapper/110:25:171
111391210,0ptp4l0-21swapper/109:50:101
111391210,0ptp4l0-21swapper/109:25:171
111391210,0ptp4l0-21swapper/109:05:121
111391210,0ptp4l0-21swapper/108:43:561
111391210,0ptp4l0-21swapper/108:20:181
111391210,0ptp4l0-21swapper/108:15:171
111391210,0ptp4l0-21swapper/107:44:141
111391210,0ptp4l0-21swapper/010:45:000
111391210,0ptp4l0-21swapper/010:45:000
111391210,0ptp4l0-21swapper/009:56:240
111391210,0ptp4l0-21swapper/009:07:490
111391210,0ptp4l0-21swapper/008:03:500
111391210,0ptp4l0-21swapper/008:03:500
111391200,0ptp4l0-21swapper/708:37:247
111391200,0ptp4l0-21swapper/511:49:125
111391200,0ptp4l0-21swapper/511:43:295
111391200,0ptp4l0-21swapper/510:53:405
111391200,0ptp4l0-21swapper/508:34:555
111391200,0ptp4l0-21swapper/508:20:195
111391200,0ptp4l0-21swapper/508:08:515
111391200,0ptp4l0-21swapper/410:55:014
111391200,0ptp4l0-21swapper/409:05:394
111391200,0ptp4l0-21swapper/408:43:124
111391200,0ptp4l0-21swapper/208:51:522
111391200,0ptp4l0-21swapper/111:06:121
111391200,0ptp4l0-21swapper/110:37:121
111391200,0ptp4l0-21swapper/108:59:561
111391200,0ptp4l0-21swapper/108:51:371
111391200,0ptp4l0-21swapper/011:24:250
111391200,0ptp4l0-21swapper/008:20:180
111391190,0ptp4l0-21swapper/512:37:215
111391190,0ptp4l0-21swapper/511:33:205
111391190,0ptp4l0-21swapper/509:17:125
111391190,0ptp4l0-21swapper/508:42:485
111391190,0ptp4l0-21swapper/507:59:125
111391190,0ptp4l0-21swapper/507:17:165
111391190,0ptp4l0-21swapper/411:23:124
111391190,0ptp4l0-21swapper/409:55:214
111391190,0ptp4l0-21swapper/211:19:122
111391190,0ptp4l0-21swapper/208:46:122
111391190,0ptp4l0-21swapper/208:05:002
111391190,0ptp4l0-21swapper/208:05:002
111391190,0ptp4l0-21swapper/207:33:122
111391190,0ptp4l0-21swapper/112:19:201
111391190,0ptp4l0-21swapper/111:43:121
111391190,0ptp4l0-21swapper/110:52:191
111391190,0ptp4l0-21swapper/110:04:101
111391180,1ptp4l0-21swapper/107:52:031
111391180,0ptp4l0-21swapper/611:19:206
111391180,0ptp4l0-21swapper/512:26:215
111391180,0ptp4l0-21swapper/511:17:215
111391180,0ptp4l0-21swapper/410:46:274
111391180,0ptp4l0-21swapper/312:20:513
111391180,0ptp4l0-21swapper/211:32:402
111391180,0ptp4l0-21swapper/211:09:562
111391180,0ptp4l0-21swapper/210:42:192
111391180,0ptp4l0-21swapper/210:42:192
111391180,0ptp4l0-21swapper/209:36:182
111391180,0ptp4l0-21swapper/010:55:200
111391170,2ptp4l0-21swapper/110:06:091
111391170,0ptp4l0-21swapper/610:26:006
111391170,0ptp4l0-21swapper/512:19:355
111391170,0ptp4l0-21swapper/511:38:185
111391170,0ptp4l0-21swapper/510:06:125
111391170,0ptp4l0-21swapper/507:45:015
111391170,0ptp4l0-21swapper/111:48:201
111391170,0ptp4l0-21swapper/111:39:271
111391170,0ptp4l0-21swapper/108:10:221
111391170,0ptp4l0-21swapper/107:45:541
111391170,0ptp4l0-21swapper/107:32:141
111391160,0ptp4l0-21swapper/610:08:186
111391160,0ptp4l0-21swapper/609:58:396
111391160,0ptp4l0-21swapper/609:08:376
111391160,0ptp4l0-21swapper/607:18:326
111391160,0ptp4l0-21swapper/511:06:505
111391160,0ptp4l0-21swapper/211:59:292
111391160,0ptp4l0-21swapper/112:27:411
111391160,0ptp4l0-21swapper/112:14:071
111391160,0ptp4l0-21swapper/112:00:211
111391160,0ptp4l0-21swapper/111:28:321
111391160,0ptp4l0-21swapper/111:18:101
111391160,0ptp4l0-21swapper/111:00:111
111391160,0ptp4l0-21swapper/108:07:501
111391160,0ptp4l0-21swapper/107:13:301
111391160,0ptp4l0-21swapper/008:43:100
111391150,0ptp4l0-21swapper/709:11:367
111391150,0ptp4l0-21swapper/612:38:456
111391150,0ptp4l0-21swapper/612:32:006
111391150,0ptp4l0-21swapper/612:01:446
111391150,0ptp4l0-21swapper/611:59:246
111391150,0ptp4l0-21swapper/611:46:156
111391150,0ptp4l0-21swapper/611:32:326
111391150,0ptp4l0-21swapper/611:13:206
111391150,0ptp4l0-21swapper/611:09:546
111391150,0ptp4l0-21swapper/610:56:406
111391150,0ptp4l0-21swapper/610:42:226
111391150,0ptp4l0-21swapper/610:42:226
111391150,0ptp4l0-21swapper/610:33:356
111391150,0ptp4l0-21swapper/610:19:436
111391150,0ptp4l0-21swapper/610:13:546
111391150,0ptp4l0-21swapper/609:46:536
111391150,0ptp4l0-21swapper/608:51:546
111391150,0ptp4l0-21swapper/608:46:206
111391150,0ptp4l0-21swapper/607:43:406
111391150,0ptp4l0-21swapper/607:35:576
111391150,0ptp4l0-21swapper/607:33:106
111391150,0ptp4l0-21swapper/512:09:165
111391150,0ptp4l0-21swapper/512:00:235
111391150,0ptp4l0-21swapper/511:57:265
111391150,0ptp4l0-21swapper/511:26:585
111391150,0ptp4l0-21swapper/511:10:265
111391150,0ptp4l0-21swapper/511:00:065
111391150,0ptp4l0-21swapper/510:11:035
111391150,0ptp4l0-21swapper/510:03:535
111391150,0ptp4l0-21swapper/509:52:515
111391150,0ptp4l0-21swapper/509:48:205
111391150,0ptp4l0-21swapper/509:37:145
111391150,0ptp4l0-21swapper/509:34:475
111391150,0ptp4l0-21swapper/509:20:455
111391150,0ptp4l0-21swapper/509:00:015
111391150,0ptp4l0-21swapper/508:51:475
111391150,0ptp4l0-21swapper/508:47:515
111391150,0ptp4l0-21swapper/508:10:255
111391150,0ptp4l0-21swapper/507:40:595
111391150,0ptp4l0-21swapper/507:10:365
111391150,0ptp4l0-21swapper/407:21:504
111391150,0ptp4l0-21swapper/309:11:163
111391150,0ptp4l0-21swapper/212:19:062
111391150,0ptp4l0-21swapper/212:12:232
111391150,0ptp4l0-21swapper/212:01:442
111391150,0ptp4l0-21swapper/211:14:102
111391150,0ptp4l0-21swapper/210:19:512
111391150,0ptp4l0-21swapper/209:53:122
111391150,0ptp4l0-21swapper/209:08:362
111391150,0ptp4l0-21swapper/207:48:252
111391150,0ptp4l0-21swapper/207:43:412
111391150,0ptp4l0-21swapper/207:35:522
111391150,0ptp4l0-21swapper/112:37:161
111391150,0ptp4l0-21swapper/112:30:241
111391150,0ptp4l0-21swapper/112:09:121
111391150,0ptp4l0-21swapper/111:56:561
111391150,0ptp4l0-21swapper/111:51:051
111391150,0ptp4l0-21swapper/110:17:031
111391150,0ptp4l0-21swapper/109:37:121
111391150,0ptp4l0-21swapper/109:34:321
111391150,0ptp4l0-21swapper/109:20:431
111391150,0ptp4l0-21swapper/109:15:481
111391150,0ptp4l0-21swapper/109:10:041
111391150,0ptp4l0-21swapper/109:00:461
111391150,0ptp4l0-21swapper/108:47:491
111391150,0ptp4l0-21swapper/108:30:211
111391150,0ptp4l0-21swapper/107:59:081
111391150,0ptp4l0-21swapper/107:16:341
28795991412,1cyclictest0-21swapper/709:00:127
111391140,0ptp4l0-21swapper/712:20:537
111391140,0ptp4l0-21swapper/612:11:366
111391140,0ptp4l0-21swapper/611:52:146
111391140,0ptp4l0-21swapper/611:41:246
111391140,0ptp4l0-21swapper/611:22:376
111391140,0ptp4l0-21swapper/610:53:586
111391140,0ptp4l0-21swapper/609:53:086
111391140,0ptp4l0-21swapper/609:36:106
111391140,0ptp4l0-21swapper/609:30:216
111391140,0ptp4l0-21swapper/608:25:496
111391140,0ptp4l0-21swapper/608:10:566
111391140,0ptp4l0-21swapper/608:05:016
111391140,0ptp4l0-21swapper/607:54:296
111391140,0ptp4l0-21swapper/607:48:246
111391140,0ptp4l0-21swapper/607:12:496
111391140,0ptp4l0-21swapper/212:38:422
111391140,0ptp4l0-21swapper/212:31:582
111391140,0ptp4l0-21swapper/211:52:142
111391140,0ptp4l0-21swapper/211:46:092
111391140,0ptp4l0-21swapper/211:41:262
111391140,0ptp4l0-21swapper/211:27:042
111391140,0ptp4l0-21swapper/211:22:352
111391140,0ptp4l0-21swapper/210:56:402
111391140,0ptp4l0-21swapper/210:53:582
111391140,0ptp4l0-21swapper/210:33:342
111391140,0ptp4l0-21swapper/210:25:522
111391140,0ptp4l0-21swapper/210:13:482
111391140,0ptp4l0-21swapper/210:08:182
111391140,0ptp4l0-21swapper/209:58:392
111391140,0ptp4l0-21swapper/209:46:522
111391140,0ptp4l0-21swapper/209:41:322
111391140,0ptp4l0-21swapper/209:30:212
111391140,0ptp4l0-21swapper/208:25:492
111391140,0ptp4l0-21swapper/208:20:222
111391140,0ptp4l0-21swapper/208:10:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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