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2025-11-30 - 12:28

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 Nov 30, 2025 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114091690,30ptp4l0-21swapper/019:05:190
2120916252,6phc2sys0-21swapper/219:05:102
3097726050,6sleep70-21swapper/719:09:217
114091570,5ptp4l0-21swapper/419:07:244
89532560,0sleep10-21swapper/121:35:161
108292550,0sleep71093-21runrttasks21:38:037
3098425432,7sleep30-21swapper/319:09:253
2120915443,6phc2sys0-21swapper/619:09:406
3098025140,6sleep10-21swapper/119:09:231
114091470,6ptp4l0-21swapper/519:05:155
114091360,0ptp4l0-21swapper/521:25:185
114091320,0ptp4l0-21swapper/523:30:155
114091320,0ptp4l0-21swapper/500:15:155
114091320,0ptp4l0-21swapper/122:55:141
114091310,0ptp4l0-21swapper/520:45:175
114091310,0ptp4l0-21swapper/100:03:241
114091300,0ptp4l0-21swapper/621:05:006
114091300,0ptp4l0-21swapper/520:00:185
114091300,0ptp4l0-21swapper/022:05:490
114091290,0ptp4l0-21swapper/622:41:506
114091290,0ptp4l0-21swapper/622:28:116
114091290,0ptp4l0-21swapper/600:02:286
114091290,0ptp4l0-21swapper/522:41:355
114091290,0ptp4l0-21swapper/521:11:095
114091290,0ptp4l0-21swapper/121:26:051
114091290,0ptp4l0-21swapper/023:43:240
114091290,0ptp4l0-21swapper/023:35:500
114091290,0ptp4l0-21swapper/020:30:200
114091280,0ptp4l0-21swapper/623:39:186
114091280,0ptp4l0-21swapper/523:46:045
114091280,0ptp4l0-21swapper/520:50:155
114091280,0ptp4l0-21swapper/221:16:332
114091280,0ptp4l0-21swapper/100:14:421
114091270,0ptp4l0-21swapper/623:48:136
114091270,0ptp4l0-21swapper/523:52:185
114091270,0ptp4l0-21swapper/523:25:365
114091270,0ptp4l0-21swapper/522:58:455
114091270,0ptp4l0-21swapper/522:15:055
114091270,0ptp4l0-21swapper/521:47:085
114091270,0ptp4l0-21swapper/423:36:134
114091270,0ptp4l0-21swapper/421:13:374
114091270,0ptp4l0-21swapper/420:42:054
114091270,0ptp4l0-21swapper/222:45:242
114091270,0ptp4l0-21swapper/222:33:082
114091270,0ptp4l0-21swapper/123:46:471
114091270,0ptp4l0-21swapper/023:29:010
114091260,2ptp4l1796-21cut00:30:010
114091260,0ptp4l0-21swapper/623:15:246
114091260,0ptp4l0-21swapper/522:25:345
114091260,0ptp4l0-21swapper/522:09:415
114091260,0ptp4l0-21swapper/521:44:575
114091260,0ptp4l0-21swapper/423:30:494
114091260,0ptp4l0-21swapper/421:18:094
114091260,0ptp4l0-21swapper/222:35:292
114091260,0ptp4l0-21swapper/221:13:232
114091260,0ptp4l0-21swapper/122:13:581
114091260,0ptp4l0-21swapper/022:46:250
114091260,0ptp4l0-21swapper/022:43:200
114091260,0ptp4l0-21swapper/020:55:180
114091250,2ptp4l0-21swapper/500:14:425
114091250,1ptp4l9563-21kworker/u16:123:10:142
114091250,1ptp4l5678-21timerwakeupswit19:20:200
114091250,1ptp4l30168-21vmstat23:35:202
114091250,1ptp4l17814-21/usr/sbin/munin00:05:134
114091250,0ptp4l0-21swapper/623:21:056
114091250,0ptp4l0-21swapper/621:34:466
114091250,0ptp4l0-21swapper/600:26:526
114091250,0ptp4l0-21swapper/523:55:345
114091250,0ptp4l0-21swapper/523:00:175
114091250,0ptp4l0-21swapper/521:21:315
114091250,0ptp4l0-21swapper/520:40:005
114091250,0ptp4l0-21swapper/423:23:054
114091250,0ptp4l0-21swapper/422:41:564
114091250,0ptp4l0-21swapper/422:00:134
114091250,0ptp4l0-21swapper/422:00:134
114091250,0ptp4l0-21swapper/421:40:214
114091250,0ptp4l0-21swapper/421:24:304
114091250,0ptp4l0-21swapper/320:25:003
114091250,0ptp4l0-21swapper/219:10:212
114091250,0ptp4l0-21swapper/200:35:132
114091250,0ptp4l0-21swapper/200:35:122
114091250,0ptp4l0-21swapper/200:19:062
114091250,0ptp4l0-21swapper/123:55:151
114091250,0ptp4l0-21swapper/123:31:401
114091250,0ptp4l0-21swapper/123:06:461
114091250,0ptp4l0-21swapper/123:02:431
114091250,0ptp4l0-21swapper/121:19:261
114091250,0ptp4l0-21swapper/120:43:211
114091250,0ptp4l0-21swapper/119:40:001
114091250,0ptp4l0-21swapper/021:31:310
114091250,0ptp4l0-21swapper/021:20:370
114091240,1ptp4l6604-21tr20:35:120
114091240,1ptp4l57-21ksoftirqd/500:28:465
114091240,1ptp4l27520-21timerandwakeup22:00:230
114091240,1ptp4l27520-21timerandwakeup22:00:220
114091240,1ptp4l18682-21smartctl00:05:205
114091240,1ptp4l14044-21latency_hist23:14:590
114091240,0ptp4l0-21swapper/723:44:387
114091240,0ptp4l0-21swapper/623:10:116
114091240,0ptp4l0-21swapper/619:45:226
114091240,0ptp4l0-21swapper/619:35:226
114091240,0ptp4l0-21swapper/523:22:565
114091240,0ptp4l0-21swapper/522:20:175
114091240,0ptp4l0-21swapper/522:11:015
114091240,0ptp4l0-21swapper/522:01:035
114091240,0ptp4l0-21swapper/522:01:025
114091240,0ptp4l0-21swapper/521:57:095
114091240,0ptp4l0-21swapper/521:15:135
114091240,0ptp4l0-21swapper/520:55:225
114091240,0ptp4l0-21swapper/520:40:215
114091240,0ptp4l0-21swapper/520:20:155
114091240,0ptp4l0-21swapper/520:10:195
114091240,0ptp4l0-21swapper/519:40:175
114091240,0ptp4l0-21swapper/519:15:235
114091240,0ptp4l0-21swapper/500:20:175
114091240,0ptp4l0-21swapper/423:15:174
114091240,0ptp4l0-21swapper/423:13:514
114091240,0ptp4l0-21swapper/423:08:114
114091240,0ptp4l0-21swapper/423:01:534
114091240,0ptp4l0-21swapper/422:29:054
114091240,0ptp4l0-21swapper/421:25:134
114091240,0ptp4l0-21swapper/419:55:024
114091240,0ptp4l0-21swapper/223:48:202
114091240,0ptp4l0-21swapper/223:40:162
114091240,0ptp4l0-21swapper/200:00:232
114091240,0ptp4l0-21swapper/123:50:131
114091240,0ptp4l0-21swapper/122:19:541
114091240,0ptp4l0-21swapper/121:42:011
114091240,0ptp4l0-21swapper/120:50:181
114091240,0ptp4l0-21swapper/120:35:141
114091240,0ptp4l0-21swapper/120:00:161
114091240,0ptp4l0-21swapper/119:50:221
114091240,0ptp4l0-21swapper/119:40:141
114091240,0ptp4l0-21swapper/100:26:231
114091240,0ptp4l0-21swapper/023:24:320
114091240,0ptp4l0-21swapper/023:02:470
114091240,0ptp4l0-21swapper/022:55:140
114091240,0ptp4l0-21swapper/021:50:140
114091240,0ptp4l0-21swapper/021:10:150
114091240,0ptp4l0-21swapper/020:50:120
114091240,0ptp4l0-21swapper/000:05:150
114091240,0ptp4l0-21swapper/000:03:440
114091230,1ptp4l583-21needreboot23:40:196
114091230,1ptp4l20609-21if_eno121:05:172
114091230,0ptp4l1552-21rm23:41:094
114091230,0ptp4l0-21swapper/720:25:127
114091230,0ptp4l0-21swapper/623:51:116
114091230,0ptp4l0-21swapper/622:59:296
114091230,0ptp4l0-21swapper/622:45:146
114091230,0ptp4l0-21swapper/622:35:166
114091230,0ptp4l0-21swapper/621:45:186
114091230,0ptp4l0-21swapper/621:35:096
114091230,0ptp4l0-21swapper/621:17:156
114091230,0ptp4l0-21swapper/621:12:276
114091230,0ptp4l0-21swapper/619:30:236
114091230,0ptp4l0-21swapper/619:25:186
114091230,0ptp4l0-21swapper/619:25:186
114091230,0ptp4l0-21swapper/619:10:146
114091230,0ptp4l0-21swapper/600:35:176
114091230,0ptp4l0-21swapper/600:35:166
114091230,0ptp4l0-21swapper/600:30:166
114091230,0ptp4l0-21swapper/523:05:155
114091230,0ptp4l0-21swapper/522:50:545
114091230,0ptp4l0-21swapper/522:48:585
114091230,0ptp4l0-21swapper/522:35:545
114091230,0ptp4l0-21swapper/522:30:215
114091230,0ptp4l0-21swapper/521:00:175
114091230,0ptp4l0-21swapper/520:05:175
114091230,0ptp4l0-21swapper/519:55:125
114091230,0ptp4l0-21swapper/519:20:145
114091230,0ptp4l0-21swapper/500:37:515
114091230,0ptp4l0-21swapper/500:37:505
114091230,0ptp4l0-21swapper/423:47:424
114091230,0ptp4l0-21swapper/423:25:144
114091230,0ptp4l0-21swapper/422:58:174
114091230,0ptp4l0-21swapper/422:17:014
114091230,0ptp4l0-21swapper/422:10:204
114091230,0ptp4l0-21swapper/421:59:384
114091230,0ptp4l0-21swapper/420:55:144
114091230,0ptp4l0-21swapper/419:55:154
114091230,0ptp4l0-21swapper/419:35:144
114091230,0ptp4l0-21swapper/419:31:194
114091230,0ptp4l0-21swapper/419:20:204
114091230,0ptp4l0-21swapper/400:38:224
114091230,0ptp4l0-21swapper/400:38:214
114091230,0ptp4l0-21swapper/400:25:464
114091230,0ptp4l0-21swapper/400:10:144
114091230,0ptp4l0-21swapper/321:51:413
114091230,0ptp4l0-21swapper/320:25:163
114091230,0ptp4l0-21swapper/223:50:472
114091230,0ptp4l0-21swapper/222:29:012
114091230,0ptp4l0-21swapper/222:16:322
114091230,0ptp4l0-21swapper/221:35:182
114091230,0ptp4l0-21swapper/221:31:502
114091230,0ptp4l0-21swapper/219:35:212
114091230,0ptp4l0-21swapper/219:30:142
114091230,0ptp4l0-21swapper/219:25:212
114091230,0ptp4l0-21swapper/219:25:202
114091230,0ptp4l0-21swapper/200:30:492
114091230,0ptp4l0-21swapper/123:25:161
114091230,0ptp4l0-21swapper/123:22:581
114091230,0ptp4l0-21swapper/123:15:131
114091230,0ptp4l0-21swapper/122:54:471
114091230,0ptp4l0-21swapper/122:43:511
114091230,0ptp4l0-21swapper/122:25:121
114091230,0ptp4l0-21swapper/122:25:001
114091230,0ptp4l0-21swapper/122:05:151
114091230,0ptp4l0-21swapper/122:02:311
114091230,0ptp4l0-21swapper/122:02:311
114091230,0ptp4l0-21swapper/121:56:221
114091230,0ptp4l0-21swapper/121:46:241
114091230,0ptp4l0-21swapper/121:30:121
114091230,0ptp4l0-21swapper/121:20:171
114091230,0ptp4l0-21swapper/121:10:181
114091230,0ptp4l0-21swapper/120:45:151
114091230,0ptp4l0-21swapper/120:30:221
114091230,0ptp4l0-21swapper/120:15:181
114091230,0ptp4l0-21swapper/120:10:191
114091230,0ptp4l0-21swapper/119:55:191
114091230,0ptp4l0-21swapper/119:15:201
114091230,0ptp4l0-21swapper/100:20:241
114091230,0ptp4l0-21swapper/100:05:201
114091230,0ptp4l0-21swapper/023:15:190
114091230,0ptp4l0-21swapper/023:05:010
114091230,0ptp4l0-21swapper/022:30:160
114091230,0ptp4l0-21swapper/022:20:140
114091230,0ptp4l0-21swapper/022:15:180
114091230,0ptp4l0-21swapper/022:10:110
114091230,0ptp4l0-21swapper/021:00:140
114091230,0ptp4l0-21swapper/020:15:210
114091230,0ptp4l0-21swapper/019:50:140
114091230,0ptp4l0-21swapper/019:45:140
114091230,0ptp4l0-21swapper/000:10:130
114091220,1ptp4l20416-21sh22:36:211
114091220,0ptp4l22161-21diskmemload00:22:506
114091220,0ptp4l0-21swapper/721:51:147
114091220,0ptp4l0-21swapper/623:34:596
114091220,0ptp4l0-21swapper/622:32:376
114091220,0ptp4l0-21swapper/622:23:386
114091220,0ptp4l0-21swapper/600:19:156
114091220,0ptp4l0-21swapper/600:06:226
114091220,0ptp4l0-21swapper/523:41:395
114091220,0ptp4l0-21swapper/523:18:345
114091220,0ptp4l0-21swapper/521:53:495
114091220,0ptp4l0-21swapper/521:39:565
114091220,0ptp4l0-21swapper/521:30:155
114091220,0ptp4l0-21swapper/520:33:235
114091220,0ptp4l0-21swapper/520:15:185
114091220,0ptp4l0-21swapper/519:50:215
114091220,0ptp4l0-21swapper/519:12:195
114091220,0ptp4l0-21swapper/500:32:425
114091220,0ptp4l0-21swapper/500:01:165
114091220,0ptp4l0-21swapper/423:56:264
114091220,0ptp4l0-21swapper/423:53:244
114091220,0ptp4l0-21swapper/422:51:224
114091220,0ptp4l0-21swapper/422:49:164
114091220,0ptp4l0-21swapper/422:38:444
114091220,0ptp4l0-21swapper/421:50:104
114091220,0ptp4l0-21swapper/421:45:234
114091220,0ptp4l0-21swapper/421:36:204
114091220,0ptp4l0-21swapper/421:32:244
114091220,0ptp4l0-21swapper/420:30:194
114091220,0ptp4l0-21swapper/419:45:184
114091220,0ptp4l0-21swapper/400:32:224
114091220,0ptp4l0-21swapper/400:23:184
114091220,0ptp4l0-21swapper/400:15:184
114091220,0ptp4l0-21swapper/323:44:463
114091220,0ptp4l0-21swapper/223:20:132
114091220,0ptp4l0-21swapper/223:15:442
114091220,0ptp4l0-21swapper/222:44:412
114091220,0ptp4l0-21swapper/222:23:302
114091220,0ptp4l0-21swapper/221:45:132
114091220,0ptp4l0-21swapper/123:41:231
114091220,0ptp4l0-21swapper/123:37:101
114091220,0ptp4l0-21swapper/122:47:221
114091220,0ptp4l0-21swapper/122:30:021
114091220,0ptp4l0-21swapper/121:52:331
114091220,0ptp4l0-21swapper/120:55:211
114091220,0ptp4l0-21swapper/120:29:591
114091220,0ptp4l0-21swapper/120:20:141
114091220,0ptp4l0-21swapper/120:05:141
114091220,0ptp4l0-21swapper/119:45:131
114091220,0ptp4l0-21swapper/119:20:171
114091220,0ptp4l0-21swapper/100:38:111
114091220,0ptp4l0-21swapper/100:38:101
114091220,0ptp4l0-21swapper/100:30:131
114091220,0ptp4l0-21swapper/100:15:191
114091220,0ptp4l0-21swapper/023:45:560
114091220,0ptp4l0-21swapper/023:30:190
114091220,0ptp4l0-21swapper/022:50:170
114091220,0ptp4l0-21swapper/022:38:390
114091220,0ptp4l0-21swapper/021:55:180
114091220,0ptp4l0-21swapper/021:45:230
114091220,0ptp4l0-21swapper/021:40:170
114091220,0ptp4l0-21swapper/021:25:140
114091220,0ptp4l0-21swapper/020:44:390
114091220,0ptp4l0-21swapper/000:15:160
114091210,0ptp4l0-21swapper/622:16:296
114091210,0ptp4l0-21swapper/619:44:236
114091210,0ptp4l0-21swapper/523:36:405
114091210,0ptp4l0-21swapper/519:36:245
114091210,0ptp4l0-21swapper/422:31:084
114091210,0ptp4l0-21swapper/422:22:234
114091210,0ptp4l0-21swapper/422:05:124
114091210,0ptp4l0-21swapper/421:08:204
114091210,0ptp4l0-21swapper/419:43:054
114091210,0ptp4l0-21swapper/419:11:194
114091210,0ptp4l0-21swapper/400:00:104
114091210,0ptp4l0-21swapper/319:50:013
114091210,0ptp4l0-21swapper/223:30:532
114091210,0ptp4l0-21swapper/222:12:362
114091210,0ptp4l0-21swapper/221:57:222
114091210,0ptp4l0-21swapper/221:04:202
114091210,0ptp4l0-21swapper/220:58:202
114091210,0ptp4l0-21swapper/219:45:222
114091210,0ptp4l0-21swapper/200:24:082
114091210,0ptp4l0-21swapper/123:14:211
114091210,0ptp4l0-21swapper/121:09:201
114091210,0ptp4l0-21swapper/121:00:001
114091210,0ptp4l0-21swapper/023:56:520
114091210,0ptp4l0-21swapper/023:50:000
114091210,0ptp4l0-21swapper/021:36:250
114091210,0ptp4l0-21swapper/021:18:460
114091210,0ptp4l0-21swapper/020:48:110
114091210,0ptp4l0-21swapper/020:23:120
114091210,0ptp4l0-21swapper/019:43:020
114091210,0ptp4l0-21swapper/019:36:520
114091210,0ptp4l0-21swapper/000:35:530
114091210,0ptp4l0-21swapper/000:35:520
114091210,0ptp4l0-21swapper/000:23:020
114091200,0ptp4l0-21swapper/622:12:416
114091200,0ptp4l0-21swapper/621:57:296
114091200,0ptp4l0-21swapper/620:42:376
114091200,0ptp4l0-21swapper/620:37:246
114091200,0ptp4l0-21swapper/619:24:246
114091200,0ptp4l0-21swapper/523:13:595
114091200,0ptp4l0-21swapper/521:08:095
114091200,0ptp4l0-21swapper/220:42:432
114091200,0ptp4l0-21swapper/220:36:232
114091200,0ptp4l0-21swapper/220:27:242
114091200,0ptp4l0-21swapper/119:34:281
114091200,0ptp4l0-21swapper/022:25:070
114091200,0ptp4l0-21swapper/000:30:010
271262190,0sleep00-21swapper/020:10:000
265622190,0sleep40-21swapper/420:05:254
114091190,0ptp4l0-21swapper/719:31:357
114091190,0ptp4l0-21swapper/621:21:466
114091190,0ptp4l0-21swapper/520:29:555
114091190,0ptp4l0-21swapper/421:00:144
114091190,0ptp4l0-21swapper/223:03:452
114091180,2ptp4l0-21swapper/020:28:350
114091180,0ptp4l0-21swapper/621:04:246
114091180,0ptp4l0-21swapper/420:35:154
114091180,0ptp4l0-21swapper/019:31:200
114091180,0ptp4l0-21swapper/019:29:550
114091180,0ptp4l0-21swapper/019:29:550
114091170,0ptp4l22161-21diskmemload00:11:362
114091170,0ptp4l0-21swapper/720:25:007
114091170,0ptp4l0-21swapper/620:03:396
114091170,0ptp4l0-21swapper/519:32:365
114091170,0ptp4l0-21swapper/221:21:472
114091170,0ptp4l0-21swapper/200:26:482
31298991614,1cyclictest26462-21kworker/1:019:29:181
31298991614,1cyclictest26462-21kworker/1:019:29:181
114091160,0ptp4l9-21ksoftirqd/021:09:370
114091160,0ptp4l0-21swapper/720:13:227
114091160,0ptp4l0-21swapper/623:03:446
114091160,0ptp4l0-21swapper/620:57:106
114091160,0ptp4l0-21swapper/620:27:476
114091160,0ptp4l0-21swapper/420:14:334
114091160,0ptp4l0-21swapper/320:55:493
114091160,0ptp4l0-21swapper/319:20:513
114091160,0ptp4l0-21swapper/220:50:012
114091160,0ptp4l0-21swapper/119:13:241
3131299150,14cyclictest24598-21turbostat23:29:593
114091150,1ptp4l65-21ksoftirqd/620:24:186
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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