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2026-04-07 - 12:11

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 Apr 07, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,6ptp4l0-21swapper/019:05:290
320522620,0sleep10-21swapper/121:55:171
702626151,6sleep20-21swapper/219:05:552
213912610,0sleep50-21swapper/519:35:205
111391610,30ptp4l0-21swapper/119:08:071
111391580,5ptp4l0-21swapper/419:07:284
717125534,6sleep60-21swapper/619:07:426
111391550,5ptp4l0-21swapper/519:09:495
544225039,7sleep70-21swapper/719:05:117
543824735,7sleep30-21swapper/319:05:073
111391350,0ptp4l0-21swapper/420:55:104
111391340,0ptp4l0-21swapper/000:05:000
111391320,0ptp4l0-21swapper/423:53:444
111391320,0ptp4l0-21swapper/422:35:124
111391310,5ptp4l0-21swapper/423:03:284
111391310,3ptp4l0-21swapper/423:55:094
111391300,0ptp4l0-21swapper/421:23:344
111391300,0ptp4l0-21swapper/421:15:204
111391300,0ptp4l0-21swapper/223:46:582
111391300,0ptp4l0-21swapper/023:57:210
111391300,0ptp4l0-21swapper/022:53:460
111391290,0ptp4l0-21swapper/423:37:034
111391290,0ptp4l0-21swapper/422:55:324
111391290,0ptp4l0-21swapper/422:49:484
111391290,0ptp4l0-21swapper/422:23:594
111391290,0ptp4l0-21swapper/023:20:110
111391290,0ptp4l0-21swapper/023:20:100
111391290,0ptp4l0-21swapper/022:39:350
111391290,0ptp4l0-21swapper/021:25:470
111391290,0ptp4l0-21swapper/000:16:360
111391280,1ptp4l8049-21tr00:25:110
111391280,0ptp4l0-21swapper/621:27:186
111391280,0ptp4l0-21swapper/421:55:134
111391280,0ptp4l0-21swapper/400:03:434
111391280,0ptp4l0-21swapper/023:43:340
111391280,0ptp4l0-21swapper/023:34:060
111391280,0ptp4l0-21swapper/021:54:350
111391280,0ptp4l0-21swapper/000:32:120
111391270,0ptp4l0-21swapper/423:43:484
111391270,0ptp4l0-21swapper/423:18:554
111391270,0ptp4l0-21swapper/422:54:294
111391270,0ptp4l0-21swapper/422:02:494
111391270,0ptp4l0-21swapper/421:52:504
111391270,0ptp4l0-21swapper/421:42:394
111391270,0ptp4l0-21swapper/400:16:524
111391270,0ptp4l0-21swapper/222:16:252
111391270,0ptp4l0-21swapper/100:18:031
111391270,0ptp4l0-21swapper/023:15:490
111391270,0ptp4l0-21swapper/022:46:180
111391270,0ptp4l0-21swapper/022:12:440
111391270,0ptp4l0-21swapper/021:32:380
111391270,0ptp4l0-21swapper/020:55:120
111391270,0ptp4l0-21swapper/000:07:330
111391260,1ptp4l27851-21smartctl19:50:194
111391260,0ptp4l0-21swapper/523:32:545
111391260,0ptp4l0-21swapper/423:10:124
111391260,0ptp4l0-21swapper/422:06:264
111391260,0ptp4l0-21swapper/023:29:130
111391260,0ptp4l0-21swapper/023:10:080
111391260,0ptp4l0-21swapper/022:26:070
111391260,0ptp4l0-21swapper/022:01:470
111391260,0ptp4l0-21swapper/019:45:170
111391250,1ptp4l6165-21fw_packets20:15:134
111391250,1ptp4l20147-21diskstats19:35:124
111391250,0ptp4l11386-21ssh22:57:590
111391250,0ptp4l0-21swapper/500:35:485
111391250,0ptp4l0-21swapper/422:41:594
111391250,0ptp4l0-21swapper/422:33:484
111391250,0ptp4l0-21swapper/422:30:014
111391250,0ptp4l0-21swapper/421:36:224
111391250,0ptp4l0-21swapper/421:34:274
111391250,0ptp4l0-21swapper/420:37:314
111391250,0ptp4l0-21swapper/400:36:194
111391250,0ptp4l0-21swapper/400:33:024
111391250,0ptp4l0-21swapper/400:28:414
111391250,0ptp4l0-21swapper/223:33:212
111391250,0ptp4l0-21swapper/123:27:221
111391250,0ptp4l0-21swapper/122:24:511
111391250,0ptp4l0-21swapper/023:39:000
111391250,0ptp4l0-21swapper/022:15:480
111391250,0ptp4l0-21swapper/021:49:570
111391250,0ptp4l0-21swapper/021:35:470
111391250,0ptp4l0-21swapper/019:31:430
111391250,0ptp4l0-21swapper/000:36:440
111391250,0ptp4l0-21swapper/000:22:030
111391240,1ptp4l9088-21/usr/sbin/munin19:10:180
111391240,1ptp4l7598-21cyclictest23:05:100
111391240,1ptp4l6522-21ssh21:20:140
111391240,1ptp4l31979-21cut20:00:150
111391240,1ptp4l27218-21smartctl00:05:196
111391240,1ptp4l24807-21if_eno119:45:124
111391240,1ptp4l20410-21memory20:45:160
111391240,1ptp4l20410-21memory20:45:160
111391240,1ptp4l18558-21find20:40:197
111391240,1ptp4l16367-21memory23:50:150
111391240,1ptp4l11118-21users22:10:213
111391240,0ptp4l0-21swapper/721:15:447
111391240,0ptp4l0-21swapper/623:22:576
111391240,0ptp4l0-21swapper/623:22:566
111391240,0ptp4l0-21swapper/622:25:076
111391240,0ptp4l0-21swapper/622:03:286
111391240,0ptp4l0-21swapper/423:20:144
111391240,0ptp4l0-21swapper/423:20:134
111391240,0ptp4l0-21swapper/422:12:504
111391240,0ptp4l0-21swapper/421:10:194
111391240,0ptp4l0-21swapper/420:25:144
111391240,0ptp4l0-21swapper/419:55:184
111391240,0ptp4l0-21swapper/419:40:104
111391240,0ptp4l0-21swapper/419:10:164
111391240,0ptp4l0-21swapper/400:24:064
111391240,0ptp4l0-21swapper/400:10:194
111391240,0ptp4l0-21swapper/122:55:131
111391240,0ptp4l0-21swapper/022:22:510
111391240,0ptp4l0-21swapper/021:11:160
111391240,0ptp4l0-21swapper/021:00:220
111391240,0ptp4l0-21swapper/020:42:130
111391240,0ptp4l0-21swapper/020:25:180
111391240,0ptp4l0-21swapper/020:10:180
111391230,1ptp4l7940-21ssh22:06:390
111391230,1ptp4l761099cyclictest19:20:130
111391230,1ptp4l18803-21find19:30:191
111391230,1ptp4l15373-21ssh23:04:230
111391230,0ptp4l0-21swapper/722:10:157
111391230,0ptp4l0-21swapper/623:45:116
111391230,0ptp4l0-21swapper/522:25:115
111391230,0ptp4l0-21swapper/522:18:525
111391230,0ptp4l0-21swapper/521:59:505
111391230,0ptp4l0-21swapper/521:34:515
111391230,0ptp4l0-21swapper/521:15:175
111391230,0ptp4l0-21swapper/521:00:135
111391230,0ptp4l0-21swapper/519:30:165
111391230,0ptp4l0-21swapper/500:15:195
111391230,0ptp4l0-21swapper/423:49:524
111391230,0ptp4l0-21swapper/423:32:464
111391230,0ptp4l0-21swapper/423:25:164
111391230,0ptp4l0-21swapper/423:05:174
111391230,0ptp4l0-21swapper/422:15:184
111391230,0ptp4l0-21swapper/421:47:344
111391230,0ptp4l0-21swapper/421:25:134
111391230,0ptp4l0-21swapper/421:05:014
111391230,0ptp4l0-21swapper/420:50:134
111391230,0ptp4l0-21swapper/420:50:014
111391230,0ptp4l0-21swapper/420:50:004
111391230,0ptp4l0-21swapper/420:23:454
111391230,0ptp4l0-21swapper/420:10:114
111391230,0ptp4l0-21swapper/419:20:194
111391230,0ptp4l0-21swapper/400:05:124
111391230,0ptp4l0-21swapper/323:39:303
111391230,0ptp4l0-21swapper/320:40:143
111391230,0ptp4l0-21swapper/122:35:211
111391230,0ptp4l0-21swapper/122:30:131
111391230,0ptp4l0-21swapper/121:34:521
111391230,0ptp4l0-21swapper/121:07:451
111391230,0ptp4l0-21swapper/120:14:541
111391230,0ptp4l0-21swapper/100:20:201
111391230,0ptp4l0-21swapper/023:48:500
111391230,0ptp4l0-21swapper/022:40:180
111391230,0ptp4l0-21swapper/022:30:120
111391230,0ptp4l0-21swapper/021:55:200
111391230,0ptp4l0-21swapper/021:40:180
111391230,0ptp4l0-21swapper/021:05:170
111391230,0ptp4l0-21swapper/020:30:120
111391230,0ptp4l0-21swapper/020:20:170
111391230,0ptp4l0-21swapper/020:05:210
111391230,0ptp4l0-21swapper/019:40:180
111391230,0ptp4l0-21swapper/019:35:180
111391230,0ptp4l0-21swapper/019:25:190
111391230,0ptp4l0-21swapper/000:12:490
111391220,1ptp4l0-21swapper/419:29:264
111391220,0ptp4l0-21swapper/723:39:427
111391220,0ptp4l0-21swapper/722:28:347
111391220,0ptp4l0-21swapper/722:09:527
111391220,0ptp4l0-21swapper/720:00:137
111391220,0ptp4l0-21swapper/700:26:187
111391220,0ptp4l0-21swapper/623:56:306
111391220,0ptp4l0-21swapper/623:42:166
111391220,0ptp4l0-21swapper/623:13:166
111391220,0ptp4l0-21swapper/623:01:336
111391220,0ptp4l0-21swapper/621:35:166
111391220,0ptp4l0-21swapper/523:45:195
111391220,0ptp4l0-21swapper/523:42:235
111391220,0ptp4l0-21swapper/523:09:285
111391220,0ptp4l0-21swapper/522:58:135
111391220,0ptp4l0-21swapper/522:50:195
111391220,0ptp4l0-21swapper/522:50:015
111391220,0ptp4l0-21swapper/522:40:105
111391220,0ptp4l0-21swapper/522:30:145
111391220,0ptp4l0-21swapper/521:51:545
111391220,0ptp4l0-21swapper/521:26:485
111391220,0ptp4l0-21swapper/521:10:155
111391220,0ptp4l0-21swapper/521:00:015
111391220,0ptp4l0-21swapper/520:15:175
111391220,0ptp4l0-21swapper/520:05:125
111391220,0ptp4l0-21swapper/520:00:205
111391220,0ptp4l0-21swapper/500:33:195
111391220,0ptp4l0-21swapper/500:21:585
111391220,0ptp4l0-21swapper/500:10:115
111391220,0ptp4l0-21swapper/500:04:215
111391220,0ptp4l0-21swapper/421:01:294
111391220,0ptp4l0-21swapper/420:40:124
111391220,0ptp4l0-21swapper/420:05:174
111391220,0ptp4l0-21swapper/420:05:004
111391220,0ptp4l0-21swapper/419:30:114
111391220,0ptp4l0-21swapper/419:15:114
111391220,0ptp4l0-21swapper/322:09:583
111391220,0ptp4l0-21swapper/321:16:083
111391220,0ptp4l0-21swapper/320:00:123
111391220,0ptp4l0-21swapper/300:26:173
111391220,0ptp4l0-21swapper/223:54:432
111391220,0ptp4l0-21swapper/223:42:122
111391220,0ptp4l0-21swapper/223:28:162
111391220,0ptp4l0-21swapper/222:50:132
111391220,0ptp4l0-21swapper/222:27:342
111391220,0ptp4l0-21swapper/221:54:522
111391220,0ptp4l0-21swapper/221:35:152
111391220,0ptp4l0-21swapper/200:05:162
111391220,0ptp4l0-21swapper/123:54:361
111391220,0ptp4l0-21swapper/123:45:141
111391220,0ptp4l0-21swapper/123:42:231
111391220,0ptp4l0-21swapper/122:50:181
111391220,0ptp4l0-21swapper/122:40:001
111391220,0ptp4l0-21swapper/122:26:221
111391220,0ptp4l0-21swapper/122:18:491
111391220,0ptp4l0-21swapper/122:14:141
111391220,0ptp4l0-21swapper/122:00:001
111391220,0ptp4l0-21swapper/121:51:471
111391220,0ptp4l0-21swapper/121:46:471
111391220,0ptp4l0-21swapper/121:26:381
111391220,0ptp4l0-21swapper/121:20:171
111391220,0ptp4l0-21swapper/121:15:141
111391220,0ptp4l0-21swapper/121:10:151
111391220,0ptp4l0-21swapper/120:15:151
111391220,0ptp4l0-21swapper/120:05:131
111391220,0ptp4l0-21swapper/100:30:371
111391220,0ptp4l0-21swapper/100:24:591
111391220,0ptp4l0-21swapper/100:11:141
111391220,0ptp4l0-21swapper/020:50:150
111391220,0ptp4l0-21swapper/020:18:000
111391220,0ptp4l0-21swapper/019:55:120
111391220,0ptp4l0-21swapper/019:50:110
111391210,2ptp4l0-21swapper/021:15:010
111391210,0ptp4l0-21swapper/723:23:497
111391210,0ptp4l0-21swapper/723:23:487
111391210,0ptp4l0-21swapper/623:33:126
111391210,0ptp4l0-21swapper/623:28:196
111391210,0ptp4l0-21swapper/623:18:186
111391210,0ptp4l0-21swapper/622:52:066
111391210,0ptp4l0-21swapper/622:16:206
111391210,0ptp4l0-21swapper/621:23:166
111391210,0ptp4l0-21swapper/621:10:496
111391210,0ptp4l0-21swapper/523:57:435
111391210,0ptp4l0-21swapper/523:51:515
111391210,0ptp4l0-21swapper/523:27:265
111391210,0ptp4l0-21swapper/523:18:025
111391210,0ptp4l0-21swapper/523:01:495
111391210,0ptp4l0-21swapper/522:21:195
111391210,0ptp4l0-21swapper/522:14:455
111391210,0ptp4l0-21swapper/522:07:165
111391210,0ptp4l0-21swapper/522:00:485
111391210,0ptp4l0-21swapper/521:45:445
111391210,0ptp4l0-21swapper/519:55:195
111391210,0ptp4l0-21swapper/519:10:005
111391210,0ptp4l0-21swapper/500:25:075
111391210,0ptp4l0-21swapper/500:05:525
111391210,0ptp4l0-21swapper/420:34:314
111391210,0ptp4l0-21swapper/323:23:473
111391210,0ptp4l0-21swapper/323:23:463
111391210,0ptp4l0-21swapper/322:28:063
111391210,0ptp4l0-21swapper/223:56:282
111391210,0ptp4l0-21swapper/223:01:322
111391210,0ptp4l0-21swapper/222:46:052
111391210,0ptp4l0-21swapper/222:39:122
111391210,0ptp4l0-21swapper/222:03:252
111391210,0ptp4l0-21swapper/221:44:022
111391210,0ptp4l0-21swapper/221:28:562
111391210,0ptp4l0-21swapper/221:10:392
111391210,0ptp4l0-21swapper/220:46:382
111391210,0ptp4l0-21swapper/220:46:382
111391210,0ptp4l0-21swapper/200:28:002
111391210,0ptp4l0-21swapper/200:22:432
111391210,0ptp4l0-21swapper/123:56:431
111391210,0ptp4l0-21swapper/123:37:571
111391210,0ptp4l0-21swapper/123:21:111
111391210,0ptp4l0-21swapper/123:21:101
111391210,0ptp4l0-21swapper/123:03:061
111391210,0ptp4l0-21swapper/122:45:591
111391210,0ptp4l0-21swapper/122:05:581
111391210,0ptp4l0-21swapper/121:44:261
111391210,0ptp4l0-21swapper/121:00:121
111391210,0ptp4l0-21swapper/119:55:311
111391210,0ptp4l0-21swapper/100:35:431
111391210,0ptp4l0-21swapper/100:07:311
111391210,0ptp4l0-21swapper/019:15:170
111391200,1ptp4l15486-21/usr/sbin/munin20:35:130
111391200,0ptp4l18544-21runrttasks21:35:195
111391200,0ptp4l0-21swapper/623:38:466
111391200,0ptp4l0-21swapper/622:44:026
111391200,0ptp4l0-21swapper/622:39:536
111391200,0ptp4l0-21swapper/621:54:496
111391200,0ptp4l0-21swapper/600:36:516
111391200,0ptp4l0-21swapper/600:34:296
111391200,0ptp4l0-21swapper/600:22:446
111391200,0ptp4l0-21swapper/523:21:075
111391200,0ptp4l0-21swapper/523:21:075
111391200,0ptp4l0-21swapper/522:38:125
111391200,0ptp4l0-21swapper/521:21:255
111391200,0ptp4l0-21swapper/520:34:345
111391200,0ptp4l0-21swapper/321:08:343
111391200,0ptp4l0-21swapper/223:13:352
111391200,0ptp4l0-21swapper/219:18:302
111391200,0ptp4l0-21swapper/123:17:591
111391200,0ptp4l0-21swapper/123:09:291
111391200,0ptp4l0-21swapper/120:42:321
111391200,0ptp4l0-21swapper/120:36:421
111391200,0ptp4l0-21swapper/120:32:311
111391200,0ptp4l0-21swapper/119:26:351
111391190,0ptp4l0-21swapper/619:39:316
111391190,0ptp4l0-21swapper/619:18:286
111391190,0ptp4l0-21swapper/519:26:365
111391190,0ptp4l0-21swapper/200:31:452
111391190,0ptp4l0-21swapper/123:33:341
111391190,0ptp4l0-21swapper/123:14:301
111391190,0ptp4l0-21swapper/121:38:191
111391180,0ptp4l0-21swapper/622:07:146
111391180,0ptp4l0-21swapper/621:43:586
111391180,0ptp4l0-21swapper/523:36:235
111391180,0ptp4l0-21swapper/322:42:163
111391180,0ptp4l0-21swapper/223:38:452
111391180,0ptp4l0-21swapper/221:23:172
111391180,0ptp4l0-21swapper/200:36:502
111391180,0ptp4l0-21swapper/120:59:581
111391180,0ptp4l0-21swapper/120:29:321
111391180,0ptp4l0-21swapper/100:00:311
111391170,0ptp4l0-21swapper/722:42:107
111391170,0ptp4l0-21swapper/623:54:486
111391170,0ptp4l0-21swapper/523:14:265
111391170,0ptp4l0-21swapper/521:44:275
111391170,0ptp4l0-21swapper/223:22:542
111391170,0ptp4l0-21swapper/223:22:542
111391170,0ptp4l0-21swapper/222:43:552
111391170,0ptp4l0-21swapper/222:14:112
111391170,0ptp4l0-21swapper/120:25:001
111391170,0ptp4l0-21swapper/120:00:211
111391170,0ptp4l0-21swapper/119:19:171
111391160,0ptp4l0-21swapper/620:50:226
111391160,0ptp4l0-21swapper/620:46:366
111391160,0ptp4l0-21swapper/620:46:356
111391160,0ptp4l0-21swapper/600:25:236
111391160,0ptp4l0-21swapper/521:06:595
111391160,0ptp4l0-21swapper/520:50:345
111391160,0ptp4l0-21swapper/520:42:285
111391160,0ptp4l0-21swapper/519:48:395
111391160,0ptp4l0-21swapper/519:42:145
111391160,0ptp4l0-21swapper/223:18:212
111391160,0ptp4l0-21swapper/222:07:092
111391160,0ptp4l0-21swapper/220:41:352
111391160,0ptp4l0-21swapper/200:10:062
111391160,0ptp4l0-21swapper/120:52:541
111391160,0ptp4l0-21swapper/119:52:411
111391160,0ptp4l0-21swapper/119:46:551
111391160,0ptp4l0-21swapper/119:41:521
111391160,0ptp4l0-21swapper/119:35:111
111391160,0ptp4l0-21swapper/119:13:521
111391150,0ptp4l0-21swapper/721:08:367
111391150,0ptp4l0-21swapper/719:45:307
111391150,0ptp4l0-21swapper/622:47:056
111391150,0ptp4l0-21swapper/622:14:126
111391150,0ptp4l0-21swapper/621:00:336
111391150,0ptp4l0-21swapper/620:56:586
111391150,0ptp4l0-21swapper/620:41:356
111391150,0ptp4l0-21swapper/620:32:176
111391150,0ptp4l0-21swapper/620:01:196
111391150,0ptp4l0-21swapper/619:55:556
111391150,0ptp4l0-21swapper/619:53:016
111391150,0ptp4l0-21swapper/619:40:336
111391150,0ptp4l0-21swapper/520:45:055
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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