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2025-11-26 - 08:57

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 Nov 26, 2025 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114091670,29ptp4l0-21swapper/019:05:140
114091620,2ptp4l0-21swapper/419:05:164
114091610,5ptp4l0-21swapper/519:05:095
114091610,30ptp4l0-21swapper/119:09:141
1099625534,7sleep20-21swapper/219:05:552
1117825343,6sleep70-21swapper/719:08:177
1105225038,7sleep30-21swapper/319:06:363
1096924935,9sleep60-21swapper/619:05:356
114091360,0ptp4l0-21swapper/122:25:191
114091340,0ptp4l0-21swapper/520:19:285
114091340,0ptp4l0-21swapper/100:35:241
114091340,0ptp4l0-21swapper/100:35:231
114091330,0ptp4l0-21swapper/500:00:185
114091330,0ptp4l0-21swapper/121:35:551
114091320,0ptp4l0-21swapper/223:25:132
114091300,0ptp4l0-21swapper/219:11:252
114091300,0ptp4l0-21swapper/122:57:281
114091300,0ptp4l0-21swapper/122:12:371
114091300,0ptp4l0-21swapper/122:03:091
114091300,0ptp4l0-21swapper/121:05:161
114091300,0ptp4l0-21swapper/100:20:021
114091290,3ptp4l0-21swapper/522:19:125
114091290,1ptp4l14789-21ssh23:40:431
114091290,1ptp4l10843-21ssh00:22:472
114091290,0ptp4l0-21swapper/622:50:026
114091290,0ptp4l0-21swapper/522:32:395
114091290,0ptp4l0-21swapper/421:52:074
114091290,0ptp4l0-21swapper/123:50:441
114091290,0ptp4l0-21swapper/122:52:281
114091290,0ptp4l0-21swapper/121:11:521
114091290,0ptp4l0-21swapper/100:05:561
114091280,2ptp4l0-21swapper/521:49:505
114091280,0ptp4l0-21swapper/521:27:375
114091280,0ptp4l0-21swapper/222:23:012
114091280,0ptp4l0-21swapper/123:31:371
114091280,0ptp4l0-21swapper/121:21:511
114091280,0ptp4l0-21swapper/121:00:191
114091280,0ptp4l0-21swapper/100:29:171
114091280,0ptp4l0-21swapper/022:51:020
114091280,0ptp4l0-21swapper/021:36:450
114091270,3ptp4l0-21swapper/521:39:285
114091270,0ptp4l0-21swapper/522:29:375
114091270,0ptp4l0-21swapper/521:40:335
114091270,0ptp4l0-21swapper/500:20:075
114091270,0ptp4l0-21swapper/422:16:404
114091270,0ptp4l0-21swapper/221:32:202
114091270,0ptp4l0-21swapper/123:23:581
114091270,0ptp4l0-21swapper/122:34:471
114091270,0ptp4l0-21swapper/121:41:591
114091270,0ptp4l0-21swapper/121:30:261
114091270,0ptp4l0-21swapper/023:26:580
114091270,0ptp4l0-21swapper/021:54:160
114091270,0ptp4l0-21swapper/021:31:070
114091260,3ptp4l0-21swapper/123:18:481
114091260,0ptp4l0-21swapper/600:27:086
114091260,0ptp4l0-21swapper/519:30:145
114091260,0ptp4l0-21swapper/321:49:013
114091260,0ptp4l0-21swapper/223:34:462
114091260,0ptp4l0-21swapper/200:28:432
114091260,0ptp4l0-21swapper/123:49:481
114091260,0ptp4l0-21swapper/122:08:261
114091260,0ptp4l0-21swapper/121:58:291
114091260,0ptp4l0-21swapper/121:58:291
114091260,0ptp4l0-21swapper/121:50:181
114091260,0ptp4l0-21swapper/120:05:131
114091260,0ptp4l0-21swapper/119:30:141
114091260,0ptp4l0-21swapper/020:56:270
114091250,1ptp4l14804-21smartctl20:25:145
114091250,0ptp4l0-21swapper/620:40:126
114091250,0ptp4l0-21swapper/600:34:536
114091250,0ptp4l0-21swapper/600:17:456
114091250,0ptp4l0-21swapper/523:52:525
114091250,0ptp4l0-21swapper/523:16:135
114091250,0ptp4l0-21swapper/523:05:325
114091250,0ptp4l0-21swapper/521:52:085
114091250,0ptp4l0-21swapper/521:20:055
114091250,0ptp4l0-21swapper/520:22:035
114091250,0ptp4l0-21swapper/519:45:135
114091250,0ptp4l0-21swapper/519:25:005
114091250,0ptp4l0-21swapper/519:25:005
114091250,0ptp4l0-21swapper/500:09:325
114091250,0ptp4l0-21swapper/400:03:304
114091250,0ptp4l0-21swapper/223:21:192
114091250,0ptp4l0-21swapper/222:13:482
114091250,0ptp4l0-21swapper/220:40:202
114091250,0ptp4l0-21swapper/123:55:301
114091250,0ptp4l0-21swapper/122:20:131
114091250,0ptp4l0-21swapper/122:18:321
114091250,0ptp4l0-21swapper/120:30:001
114091250,0ptp4l0-21swapper/100:00:191
114091240,1ptp4l9107-21ssh21:17:501
114091240,1ptp4l20382-21smartctl19:25:215
114091240,1ptp4l17008-21cpu23:00:135
114091240,1ptp4l15845-21diskstats00:30:111
114091240,1ptp4l15046-21ssh21:25:186
114091240,1ptp4l14210-21cpu19:15:015
114091240,1ptp4l14210-21cpu19:15:015
114091240,1ptp4l12059-21df_inode19:10:131
114091240,1ptp4l10162-21diskstats22:50:112
114091240,0ptp4l0-21swapper/722:16:007
114091240,0ptp4l0-21swapper/622:45:576
114091240,0ptp4l0-21swapper/622:09:386
114091240,0ptp4l0-21swapper/523:49:205
114091240,0ptp4l0-21swapper/522:37:195
114091240,0ptp4l0-21swapper/522:05:155
114091240,0ptp4l0-21swapper/520:30:135
114091240,0ptp4l0-21swapper/519:55:155
114091240,0ptp4l0-21swapper/500:39:235
114091240,0ptp4l0-21swapper/500:39:225
114091240,0ptp4l0-21swapper/422:52:144
114091240,0ptp4l0-21swapper/322:16:073
114091240,0ptp4l0-21swapper/222:45:452
114091240,0ptp4l0-21swapper/200:32:472
114091240,0ptp4l0-21swapper/200:14:302
114091240,0ptp4l0-21swapper/123:05:231
114091240,0ptp4l0-21swapper/123:01:451
114091240,0ptp4l0-21swapper/121:28:111
114091240,0ptp4l0-21swapper/120:45:121
114091240,0ptp4l0-21swapper/120:00:221
114091240,0ptp4l0-21swapper/021:40:230
114091240,0ptp4l0-21swapper/021:18:370
114091230,3ptp4l0-21swapper/123:14:361
114091230,2ptp4l0-21swapper/023:00:320
114091230,2ptp4l0-21swapper/000:37:170
114091230,2ptp4l0-21swapper/000:37:160
114091230,1ptp4l28304-21cpu20:55:121
114091230,0ptp4l5930-21phc2sys00:15:171
114091230,0ptp4l0-21swapper/723:18:327
114091230,0ptp4l0-21swapper/622:40:216
114091230,0ptp4l0-21swapper/620:02:266
114091230,0ptp4l0-21swapper/619:50:126
114091230,0ptp4l0-21swapper/600:20:556
114091230,0ptp4l0-21swapper/523:40:165
114091230,0ptp4l0-21swapper/523:35:185
114091230,0ptp4l0-21swapper/523:30:125
114091230,0ptp4l0-21swapper/523:25:165
114091230,0ptp4l0-21swapper/523:20:135
114091230,0ptp4l0-21swapper/522:20:215
114091230,0ptp4l0-21swapper/522:00:155
114091230,0ptp4l0-21swapper/521:11:175
114091230,0ptp4l0-21swapper/520:10:015
114091230,0ptp4l0-21swapper/519:40:005
114091230,0ptp4l0-21swapper/519:10:145
114091230,0ptp4l0-21swapper/500:30:185
114091230,0ptp4l0-21swapper/500:25:165
114091230,0ptp4l0-21swapper/500:10:035
114091230,0ptp4l0-21swapper/419:51:264
114091230,0ptp4l0-21swapper/323:10:213
114091230,0ptp4l0-21swapper/223:45:002
114091230,0ptp4l0-21swapper/223:36:592
114091230,0ptp4l0-21swapper/222:41:102
114091230,0ptp4l0-21swapper/219:50:152
114091230,0ptp4l0-21swapper/219:40:152
114091230,0ptp4l0-21swapper/219:31:522
114091230,0ptp4l0-21swapper/123:25:161
114091230,0ptp4l0-21swapper/122:35:141
114091230,0ptp4l0-21swapper/121:45:121
114091230,0ptp4l0-21swapper/120:50:271
114091230,0ptp4l0-21swapper/120:20:181
114091230,0ptp4l0-21swapper/119:55:131
114091230,0ptp4l0-21swapper/119:29:511
114091230,0ptp4l0-21swapper/119:15:111
114091230,0ptp4l0-21swapper/119:15:111
114091230,0ptp4l0-21swapper/023:56:420
114091230,0ptp4l0-21swapper/023:52:200
114091230,0ptp4l0-21swapper/023:11:440
114091230,0ptp4l0-21swapper/022:42:590
114091230,0ptp4l0-21swapper/021:25:200
114091230,0ptp4l0-21swapper/021:10:200
114091230,0ptp4l0-21swapper/020:49:420
114091230,0ptp4l0-21swapper/000:09:540
114091220,0ptp4l0-21swapper/723:10:127
114091220,0ptp4l0-21swapper/723:07:277
114091220,0ptp4l0-21swapper/721:48:127
114091220,0ptp4l0-21swapper/720:35:177
114091220,0ptp4l0-21swapper/719:35:137
114091220,0ptp4l0-21swapper/623:41:566
114091220,0ptp4l0-21swapper/623:32:416
114091220,0ptp4l0-21swapper/623:25:566
114091220,0ptp4l0-21swapper/623:24:396
114091220,0ptp4l0-21swapper/622:55:156
114091220,0ptp4l0-21swapper/622:23:516
114091220,0ptp4l0-21swapper/622:14:076
114091220,0ptp4l0-21swapper/619:40:116
114091220,0ptp4l0-21swapper/619:17:286
114091220,0ptp4l0-21swapper/619:17:286
114091220,0ptp4l0-21swapper/523:57:545
114091220,0ptp4l0-21swapper/523:12:495
114091220,0ptp4l0-21swapper/522:55:125
114091220,0ptp4l0-21swapper/522:53:035
114091220,0ptp4l0-21swapper/522:10:225
114091220,0ptp4l0-21swapper/521:55:165
114091220,0ptp4l0-21swapper/521:55:165
114091220,0ptp4l0-21swapper/521:30:135
114091220,0ptp4l0-21swapper/521:15:135
114091220,0ptp4l0-21swapper/521:05:145
114091220,0ptp4l0-21swapper/521:00:135
114091220,0ptp4l0-21swapper/520:55:125
114091220,0ptp4l0-21swapper/520:45:165
114091220,0ptp4l0-21swapper/520:10:175
114091220,0ptp4l0-21swapper/520:00:145
114091220,0ptp4l0-21swapper/519:53:155
114091220,0ptp4l0-21swapper/500:15:175
114091220,0ptp4l0-21swapper/423:55:204
114091220,0ptp4l0-21swapper/423:29:274
114091220,0ptp4l0-21swapper/422:05:184
114091220,0ptp4l0-21swapper/419:10:174
114091220,0ptp4l0-21swapper/400:35:164
114091220,0ptp4l0-21swapper/400:35:164
114091220,0ptp4l0-21swapper/323:18:293
114091220,0ptp4l0-21swapper/323:08:263
114091220,0ptp4l0-21swapper/319:35:203
114091220,0ptp4l0-21swapper/300:23:493
114091220,0ptp4l0-21swapper/222:55:142
114091220,0ptp4l0-21swapper/221:25:122
114091220,0ptp4l0-21swapper/200:17:272
114091220,0ptp4l0-21swapper/123:35:161
114091220,0ptp4l0-21swapper/122:48:431
114091220,0ptp4l0-21swapper/120:38:261
114091220,0ptp4l0-21swapper/120:30:181
114091220,0ptp4l0-21swapper/120:15:011
114091220,0ptp4l0-21swapper/120:10:221
114091220,0ptp4l0-21swapper/119:20:011
114091220,0ptp4l0-21swapper/119:20:011
114091220,0ptp4l0-21swapper/100:10:121
114091220,0ptp4l0-21swapper/023:45:210
114091220,0ptp4l0-21swapper/023:40:150
114091220,0ptp4l0-21swapper/023:35:340
114091220,0ptp4l0-21swapper/023:05:210
114091220,0ptp4l0-21swapper/022:56:270
114091220,0ptp4l0-21swapper/022:35:410
114091220,0ptp4l0-21swapper/022:25:160
114091220,0ptp4l0-21swapper/022:15:360
114091220,0ptp4l0-21swapper/022:10:080
114091220,0ptp4l0-21swapper/022:05:170
114091220,0ptp4l0-21swapper/020:30:210
114091220,0ptp4l0-21swapper/020:25:210
114091220,0ptp4l0-21swapper/020:20:160
114091220,0ptp4l0-21swapper/020:13:330
114091220,0ptp4l0-21swapper/020:00:170
114091220,0ptp4l0-21swapper/019:10:160
114091220,0ptp4l0-21swapper/000:25:170
114091220,0ptp4l0-21swapper/000:15:130
114091220,0ptp4l0-21swapper/000:10:120
114091210,0ptp4l0-21swapper/723:35:597
114091210,0ptp4l0-21swapper/720:04:287
114091210,0ptp4l0-21swapper/719:33:277
114091210,0ptp4l0-21swapper/700:24:017
114091210,0ptp4l0-21swapper/623:36:556
114091210,0ptp4l0-21swapper/622:39:596
114091210,0ptp4l0-21swapper/621:32:306
114091210,0ptp4l0-21swapper/621:24:276
114091210,0ptp4l0-21swapper/621:19:256
114091210,0ptp4l0-21swapper/620:16:276
114091210,0ptp4l0-21swapper/619:11:396
114091210,0ptp4l0-21swapper/600:14:036
114091210,0ptp4l0-21swapper/600:08:426
114091210,0ptp4l0-21swapper/522:48:275
114091210,0ptp4l0-21swapper/522:41:455
114091210,0ptp4l0-21swapper/520:50:175
114091210,0ptp4l0-21swapper/520:43:515
114091210,0ptp4l0-21swapper/519:44:265
114091210,0ptp4l0-21swapper/423:19:474
114091210,0ptp4l0-21swapper/422:25:244
114091210,0ptp4l0-21swapper/421:26:154
114091210,0ptp4l0-21swapper/421:10:204
114091210,0ptp4l0-21swapper/400:25:204
114091210,0ptp4l0-21swapper/400:20:254
114091210,0ptp4l0-21swapper/322:14:253
114091210,0ptp4l0-21swapper/320:35:243
114091210,0ptp4l0-21swapper/319:34:273
114091210,0ptp4l0-21swapper/222:06:312
114091210,0ptp4l0-21swapper/221:21:342
114091210,0ptp4l0-21swapper/221:19:372
114091210,0ptp4l0-21swapper/219:22:252
114091210,0ptp4l0-21swapper/219:22:252
114091210,0ptp4l0-21swapper/200:08:452
114091210,0ptp4l0-21swapper/200:02:532
114091210,0ptp4l0-21swapper/122:40:551
114091210,0ptp4l0-21swapper/119:51:561
114091210,0ptp4l0-21swapper/119:45:011
114091210,0ptp4l0-21swapper/119:41:541
114091210,0ptp4l0-21swapper/023:31:060
114091210,0ptp4l0-21swapper/022:30:160
114091210,0ptp4l0-21swapper/022:24:560
114091210,0ptp4l0-21swapper/021:47:110
114091210,0ptp4l0-21swapper/021:20:190
114091210,0ptp4l0-21swapper/019:54:260
114091210,0ptp4l0-21swapper/000:30:450
114091200,0ptp4l0-21swapper/700:34:217
114091200,0ptp4l0-21swapper/600:02:556
114091200,0ptp4l0-21swapper/423:45:054
114091200,0ptp4l0-21swapper/423:38:104
114091200,0ptp4l0-21swapper/423:31:024
114091200,0ptp4l0-21swapper/422:49:114
114091200,0ptp4l0-21swapper/422:12:414
114091200,0ptp4l0-21swapper/421:20:314
114091200,0ptp4l0-21swapper/421:15:564
114091200,0ptp4l0-21swapper/323:36:063
114091200,0ptp4l0-21swapper/220:37:272
114091200,0ptp4l0-21swapper/220:02:012
114091200,0ptp4l0-21swapper/022:47:090
114091200,0ptp4l0-21swapper/022:01:340
114091200,0ptp4l0-21swapper/019:42:010
114091200,0ptp4l0-21swapper/000:00:550
114091190,0ptp4l0-21swapper/623:45:016
114091190,0ptp4l0-21swapper/423:13:364
114091190,0ptp4l0-21swapper/422:40:524
114091190,0ptp4l0-21swapper/422:02:114
114091190,0ptp4l0-21swapper/421:30:524
114091190,0ptp4l0-21swapper/400:30:364
114091190,0ptp4l0-21swapper/400:16:034
114091190,0ptp4l0-21swapper/222:39:492
114091190,0ptp4l0-21swapper/221:53:532
114091190,0ptp4l0-21swapper/220:16:282
114091190,0ptp4l0-21swapper/120:42:221
114091190,0ptp4l0-21swapper/023:20:550
114091190,0ptp4l0-21swapper/021:58:130
114091190,0ptp4l0-21swapper/021:58:130
114091180,0ptp4l0-21swapper/722:14:207
114091180,0ptp4l0-21swapper/423:43:564
114091180,0ptp4l0-21swapper/423:22:574
114091180,0ptp4l0-21swapper/423:08:364
114091180,0ptp4l0-21swapper/422:59:404
114091180,0ptp4l0-21swapper/422:37:144
114091180,0ptp4l0-21swapper/422:33:004
114091180,0ptp4l0-21swapper/422:20:364
114091180,0ptp4l0-21swapper/400:07:234
114091180,0ptp4l0-21swapper/323:56:283
114091180,0ptp4l0-21swapper/219:18:532
114091180,0ptp4l0-21swapper/219:18:532
114091180,0ptp4l0-21swapper/019:21:060
114091180,0ptp4l0-21swapper/019:21:060
1162199170,2cyclictest0-21swapper/721:50:157
114091170,2ptp4l0-21swapper/019:16:140
114091170,2ptp4l0-21swapper/019:16:140
114091170,0ptp4l0-21swapper/620:39:046
114091170,0ptp4l0-21swapper/520:36:455
114091170,0ptp4l0-21swapper/423:00:324
114091170,0ptp4l0-21swapper/421:49:244
114091170,0ptp4l0-21swapper/300:34:193
114091170,0ptp4l0-21swapper/223:45:002
114091170,0ptp4l0-21swapper/023:18:510
114091170,0ptp4l0-21swapper/020:16:470
114091170,0ptp4l0-21swapper/000:20:050
114091160,0ptp4l0-21swapper/420:02:224
114091160,0ptp4l0-21swapper/419:29:224
114091160,0ptp4l0-21swapper/320:04:173
114091160,0ptp4l0-21swapper/020:36:160
114091160,0ptp4l0-21swapper/019:27:000
11621991513,1cyclictest0-21swapper/722:20:207
114091150,0ptp4l0-21swapper/720:34:567
114091150,0ptp4l0-21swapper/621:53:546
114091150,0ptp4l0-21swapper/620:14:086
114091150,0ptp4l0-21swapper/619:49:516
114091150,0ptp4l0-21swapper/619:31:376
114091150,0ptp4l0-21swapper/619:21:586
114091150,0ptp4l0-21swapper/619:21:586
114091150,0ptp4l0-21swapper/421:55:374
114091150,0ptp4l0-21swapper/421:55:364
114091150,0ptp4l0-21swapper/421:09:444
114091150,0ptp4l0-21swapper/420:53:504
114091150,0ptp4l0-21swapper/420:43:484
114091150,0ptp4l0-21swapper/420:37:174
114091150,0ptp4l0-21swapper/420:30:324
114091150,0ptp4l0-21swapper/420:24:194
114091150,0ptp4l0-21swapper/420:05:524
114091150,0ptp4l0-21swapper/419:55:584
114091150,0ptp4l0-21swapper/419:46:194
114091150,0ptp4l0-21swapper/419:39:504
114091150,0ptp4l0-21swapper/419:21:074
114091150,0ptp4l0-21swapper/419:21:074
114091150,0ptp4l0-21swapper/419:19:474
114091150,0ptp4l0-21swapper/419:19:474
114091150,0ptp4l0-21swapper/320:34:533
114091150,0ptp4l0-21swapper/220:22:302
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