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2026-04-28 - 14:20

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 28, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391760,7ptp4l0-21swapper/319:05:143
2783326048,7sleep10-21swapper/119:09:541
111391600,5ptp4l0-21swapper/719:08:057
22042590,0sleep30-21swapper/322:10:493
22042590,0sleep30-21swapper/322:10:483
87312580,2sleep32811799cyclictest00:30:123
1881915533,10phc2sys0-21swapper/019:07:160
2780525442,7sleep20-21swapper/219:09:312
2772725235,12sleep60-21swapper/619:08:306
2593325242,6sleep40-21swapper/419:05:094
2558324632,9sleep50-21swapper/519:05:015
111391380,0ptp4l0-21swapper/021:25:110
111391370,0ptp4l0-21swapper/421:40:314
111391350,0ptp4l0-21swapper/420:05:204
111391350,0ptp4l0-21swapper/022:38:590
111391340,8ptp4l0-21swapper/421:49:274
111391340,4ptp4l0-21swapper/423:09:554
111391340,0ptp4l0-21swapper/122:40:121
111391340,0ptp4l0-21swapper/021:24:090
111391330,0ptp4l0-21swapper/422:39:294
111391330,0ptp4l0-21swapper/422:23:394
111391330,0ptp4l0-21swapper/400:15:444
111391330,0ptp4l0-21swapper/022:28:000
111391330,0ptp4l0-21swapper/021:12:430
111391330,0ptp4l0-21swapper/000:14:430
111391320,1ptp4l19722-21smart_sda00:00:225
111391320,0ptp4l0-21swapper/422:52:464
111391320,0ptp4l0-21swapper/422:17:334
111391320,0ptp4l0-21swapper/422:01:494
111391320,0ptp4l0-21swapper/421:13:044
111391320,0ptp4l0-21swapper/400:37:514
111391320,0ptp4l0-21swapper/400:13:574
111391320,0ptp4l0-21swapper/323:06:073
111391320,0ptp4l0-21swapper/121:14:531
111391320,0ptp4l0-21swapper/100:11:371
111391320,0ptp4l0-21swapper/022:48:030
111391320,0ptp4l0-21swapper/022:44:250
111391320,0ptp4l0-21swapper/022:16:490
111391320,0ptp4l0-21swapper/021:58:090
111391310,1ptp4l0-21swapper/421:52:064
111391310,0ptp4l0-21swapper/423:44:004
111391310,0ptp4l0-21swapper/423:01:574
111391310,0ptp4l0-21swapper/422:59:354
111391310,0ptp4l0-21swapper/421:26:294
111391310,0ptp4l0-21swapper/400:24:504
111391310,0ptp4l0-21swapper/300:18:213
111391310,0ptp4l0-21swapper/023:59:450
111391310,0ptp4l0-21swapper/020:00:150
111391310,0ptp4l0-21swapper/019:45:220
111391300,5ptp4l0-21swapper/122:21:341
111391300,4ptp4l0-21swapper/423:12:144
111391300,2ptp4l0-21swapper/023:02:230
111391300,2ptp4l0-21swapper/020:25:150
111391300,2ptp4l0-21swapper/000:03:220
111391300,0ptp4l18873-21diskmemload22:34:371
111391300,0ptp4l0-21swapper/123:48:261
111391300,0ptp4l0-21swapper/023:31:150
111391300,0ptp4l0-21swapper/023:21:500
111391300,0ptp4l0-21swapper/020:30:130
111391300,0ptp4l0-21swapper/000:05:350
111391290,2ptp4l0-21swapper/421:16:384
111391290,0ptp4l0-21swapper/423:16:214
111391290,0ptp4l0-21swapper/400:27:214
111391290,0ptp4l0-21swapper/023:40:100
111391290,0ptp4l0-21swapper/021:05:210
111391290,0ptp4l0-21swapper/020:24:430
111391280,2ptp4l0-21swapper/023:53:060
111391280,0ptp4l0-21swapper/723:04:507
111391280,0ptp4l0-21swapper/422:13:244
111391280,0ptp4l0-21swapper/422:13:234
111391280,0ptp4l0-21swapper/421:55:314
111391280,0ptp4l0-21swapper/421:36:434
111391280,0ptp4l0-21swapper/419:45:144
111391280,0ptp4l0-21swapper/400:01:474
111391280,0ptp4l0-21swapper/323:25:493
111391280,0ptp4l0-21swapper/123:51:191
111391280,0ptp4l0-21swapper/022:56:070
111391280,0ptp4l0-21swapper/021:38:470
111391270,2ptp4l0-21swapper/123:28:261
111391270,0ptp4l18873-21diskmemload21:48:241
111391270,0ptp4l0-21swapper/723:25:137
111391270,0ptp4l0-21swapper/421:24:074
111391270,0ptp4l0-21swapper/419:41:414
111391270,0ptp4l0-21swapper/319:10:153
111391270,0ptp4l0-21swapper/123:42:361
111391270,0ptp4l0-21swapper/023:18:530
111391270,0ptp4l0-21swapper/023:14:420
111391270,0ptp4l0-21swapper/023:09:530
111391270,0ptp4l0-21swapper/022:12:560
111391270,0ptp4l0-21swapper/022:12:550
111391270,0ptp4l0-21swapper/021:52:360
111391270,0ptp4l0-21swapper/021:17:050
111391270,0ptp4l0-21swapper/019:30:170
111391270,0ptp4l0-21swapper/019:21:580
111391260,1ptp4l0-21swapper/422:30:194
111391260,0ptp4l0-21swapper/522:19:285
111391260,0ptp4l0-21swapper/419:16:574
111391260,0ptp4l0-21swapper/100:17:501
111391260,0ptp4l0-21swapper/019:55:130
111391250,2ptp4l0-21swapper/419:55:284
111391250,2ptp4l0-21swapper/022:20:210
111391250,1ptp4l356-21irqstats23:35:161
111391250,1ptp4l29980-21missed_timers22:05:160
111391250,0ptp4l0-21swapper/520:19:355
111391250,0ptp4l0-21swapper/500:06:185
111391250,0ptp4l0-21swapper/423:59:104
111391250,0ptp4l0-21swapper/422:42:594
111391250,0ptp4l0-21swapper/422:07:544
111391250,0ptp4l0-21swapper/420:55:194
111391250,0ptp4l0-21swapper/400:32:564
111391250,0ptp4l0-21swapper/123:00:131
111391250,0ptp4l0-21swapper/122:16:211
111391250,0ptp4l0-21swapper/121:57:481
111391250,0ptp4l0-21swapper/022:32:230
111391250,0ptp4l0-21swapper/021:44:460
111391250,0ptp4l0-21swapper/021:31:230
111391250,0ptp4l0-21swapper/021:01:480
111391250,0ptp4l0-21swapper/020:45:130
111391250,0ptp4l0-21swapper/019:14:490
111391250,0ptp4l0-21swapper/000:38:090
111391240,2ptp4l121rcu_preempt00:30:320
111391240,1ptp4l4594-21ssh22:57:531
111391240,1ptp4l401ktimersoftd/320:36:053
111391240,1ptp4l2869-21ssh00:20:510
111391240,1ptp4l27948-21irqstats21:20:155
111391240,1ptp4l18051-21fw_conntrack21:50:135
111391240,0ptp4l0-21swapper/520:54:595
111391240,0ptp4l0-21swapper/423:21:434
111391240,0ptp4l0-21swapper/420:40:134
111391240,0ptp4l0-21swapper/420:38:094
111391240,0ptp4l0-21swapper/419:35:154
111391240,0ptp4l0-21swapper/419:35:144
111391240,0ptp4l0-21swapper/419:33:294
111391240,0ptp4l0-21swapper/419:20:164
111391240,0ptp4l0-21swapper/400:08:094
111391240,0ptp4l0-21swapper/222:55:122
111391240,0ptp4l0-21swapper/121:55:011
111391240,0ptp4l0-21swapper/121:35:441
111391240,0ptp4l0-21swapper/121:20:171
111391240,0ptp4l0-21swapper/100:26:121
111391240,0ptp4l0-21swapper/100:24:381
111391240,0ptp4l0-21swapper/023:45:220
111391240,0ptp4l0-21swapper/021:45:150
111391240,0ptp4l0-21swapper/020:55:120
111391240,0ptp4l0-21swapper/020:15:100
111391240,0ptp4l0-21swapper/019:51:230
111391230,1ptp4l0-21swapper/000:29:150
111391230,0ptp4l0-21swapper/723:05:147
111391230,0ptp4l0-21swapper/721:32:197
111391230,0ptp4l0-21swapper/721:17:457
111391230,0ptp4l0-21swapper/721:00:117
111391230,0ptp4l0-21swapper/719:10:127
111391230,0ptp4l0-21swapper/623:40:456
111391230,0ptp4l0-21swapper/523:51:195
111391230,0ptp4l0-21swapper/523:35:235
111391230,0ptp4l0-21swapper/523:20:215
111391230,0ptp4l0-21swapper/523:15:225
111391230,0ptp4l0-21swapper/523:00:125
111391230,0ptp4l0-21swapper/522:50:135
111391230,0ptp4l0-21swapper/522:10:115
111391230,0ptp4l0-21swapper/522:10:115
111391230,0ptp4l0-21swapper/521:58:445
111391230,0ptp4l0-21swapper/521:46:205
111391230,0ptp4l0-21swapper/521:33:525
111391230,0ptp4l0-21swapper/521:19:305
111391230,0ptp4l0-21swapper/423:50:134
111391230,0ptp4l0-21swapper/423:45:174
111391230,0ptp4l0-21swapper/423:35:214
111391230,0ptp4l0-21swapper/423:32:344
111391230,0ptp4l0-21swapper/422:45:094
111391230,0ptp4l0-21swapper/422:29:564
111391230,0ptp4l0-21swapper/421:34:154
111391230,0ptp4l0-21swapper/421:05:144
111391230,0ptp4l0-21swapper/420:48:314
111391230,0ptp4l0-21swapper/420:30:204
111391230,0ptp4l0-21swapper/420:25:204
111391230,0ptp4l0-21swapper/420:20:194
111391230,0ptp4l0-21swapper/420:02:594
111391230,0ptp4l0-21swapper/419:50:154
111391230,0ptp4l0-21swapper/419:25:124
111391230,0ptp4l0-21swapper/321:18:003
111391230,0ptp4l0-21swapper/223:40:162
111391230,0ptp4l0-21swapper/123:59:241
111391230,0ptp4l0-21swapper/123:15:191
111391230,0ptp4l0-21swapper/122:29:211
111391230,0ptp4l0-21swapper/121:40:461
111391230,0ptp4l0-21swapper/121:25:211
111391230,0ptp4l0-21swapper/121:15:211
111391230,0ptp4l0-21swapper/121:05:531
111391230,0ptp4l0-21swapper/120:55:331
111391230,0ptp4l0-21swapper/120:45:151
111391230,0ptp4l0-21swapper/120:05:141
111391230,0ptp4l0-21swapper/120:00:161
111391230,0ptp4l0-21swapper/100:05:131
111391230,0ptp4l0-21swapper/023:35:200
111391230,0ptp4l0-21swapper/022:00:140
111391230,0ptp4l0-21swapper/020:40:120
111391230,0ptp4l0-21swapper/019:40:160
111391230,0ptp4l0-21swapper/019:15:220
111391230,0ptp4l0-21swapper/000:16:170
111391220,1ptp4l18873-21diskmemload00:00:141
111391220,0ptp4l0-21swapper/622:59:496
111391220,0ptp4l0-21swapper/622:04:056
111391220,0ptp4l0-21swapper/621:39:076
111391220,0ptp4l0-21swapper/621:14:206
111391220,0ptp4l0-21swapper/523:45:455
111391220,0ptp4l0-21swapper/523:29:185
111391220,0ptp4l0-21swapper/522:58:075
111391220,0ptp4l0-21swapper/522:37:525
111391220,0ptp4l0-21swapper/522:30:525
111391220,0ptp4l0-21swapper/522:06:455
111391220,0ptp4l0-21swapper/521:40:565
111391220,0ptp4l0-21swapper/521:37:105
111391220,0ptp4l0-21swapper/521:25:195
111391220,0ptp4l0-21swapper/520:37:355
111391220,0ptp4l0-21swapper/520:12:495
111391220,0ptp4l0-21swapper/520:05:135
111391220,0ptp4l0-21swapper/519:25:005
111391220,0ptp4l0-21swapper/500:17:565
111391220,0ptp4l0-21swapper/423:28:174
111391220,0ptp4l0-21swapper/420:50:124
111391220,0ptp4l0-21swapper/420:15:124
111391220,0ptp4l0-21swapper/420:10:144
111391220,0ptp4l0-21swapper/323:03:543
111391220,0ptp4l0-21swapper/321:00:103
111391220,0ptp4l0-21swapper/123:09:391
111391220,0ptp4l0-21swapper/122:50:001
111391220,0ptp4l0-21swapper/122:36:131
111391220,0ptp4l0-21swapper/122:10:141
111391220,0ptp4l0-21swapper/122:10:131
111391220,0ptp4l0-21swapper/122:06:371
111391220,0ptp4l0-21swapper/122:00:071
111391220,0ptp4l0-21swapper/121:30:011
111391220,0ptp4l0-21swapper/120:15:211
111391220,0ptp4l0-21swapper/119:40:011
111391220,0ptp4l0-21swapper/023:29:530
111391220,0ptp4l0-21swapper/022:50:180
111391220,0ptp4l0-21swapper/020:50:120
111391220,0ptp4l0-21swapper/020:35:130
111391220,0ptp4l0-21swapper/020:10:130
111391220,0ptp4l0-21swapper/020:05:170
111391220,0ptp4l0-21swapper/019:35:130
111391220,0ptp4l0-21swapper/019:35:120
111391220,0ptp4l0-21swapper/019:25:200
111391210,0ptp4l0-21swapper/700:18:277
111391210,0ptp4l0-21swapper/622:15:406
111391210,0ptp4l0-21swapper/621:50:396
111391210,0ptp4l0-21swapper/621:17:096
111391210,0ptp4l0-21swapper/600:03:556
111391210,0ptp4l0-21swapper/523:57:375
111391210,0ptp4l0-21swapper/522:47:005
111391210,0ptp4l0-21swapper/522:40:575
111391210,0ptp4l0-21swapper/522:25:555
111391210,0ptp4l0-21swapper/522:20:385
111391210,0ptp4l0-21swapper/522:00:125
111391210,0ptp4l0-21swapper/521:11:435
111391210,0ptp4l0-21swapper/520:00:125
111391210,0ptp4l0-21swapper/500:38:315
111391210,0ptp4l0-21swapper/500:32:175
111391210,0ptp4l0-21swapper/500:26:095
111391210,0ptp4l0-21swapper/500:24:115
111391210,0ptp4l0-21swapper/323:24:573
111391210,0ptp4l0-21swapper/319:26:343
111391210,0ptp4l0-21swapper/300:00:433
111391210,0ptp4l0-21swapper/223:46:272
111391210,0ptp4l0-21swapper/222:49:272
111391210,0ptp4l0-21swapper/222:15:402
111391210,0ptp4l0-21swapper/222:00:312
111391210,0ptp4l0-21swapper/123:20:151
111391210,0ptp4l0-21swapper/119:50:431
111391210,0ptp4l0-21swapper/119:13:561
111391210,0ptp4l0-21swapper/100:38:451
111391210,0ptp4l0-21swapper/100:32:201
111391200,0ptp4l0-21swapper/720:21:567
111391200,0ptp4l0-21swapper/700:00:377
111391200,0ptp4l0-21swapper/623:21:596
111391200,0ptp4l0-21swapper/621:59:036
111391200,0ptp4l0-21swapper/621:24:246
111391200,0ptp4l0-21swapper/600:35:086
111391200,0ptp4l0-21swapper/523:34:025
111391200,0ptp4l0-21swapper/523:12:185
111391200,0ptp4l0-21swapper/519:39:465
111391200,0ptp4l0-21swapper/519:39:455
111391200,0ptp4l0-21swapper/500:11:465
111391200,0ptp4l0-21swapper/419:11:464
111391200,0ptp4l0-21swapper/223:21:582
111391200,0ptp4l0-21swapper/222:51:562
111391200,0ptp4l0-21swapper/221:39:522
111391200,0ptp4l0-21swapper/200:03:532
111391200,0ptp4l0-21swapper/123:10:051
111391200,0ptp4l0-21swapper/122:47:041
111391200,0ptp4l0-21swapper/120:35:001
111391200,0ptp4l0-21swapper/120:25:191
111391200,0ptp4l0-21swapper/119:27:471
111391190,0ptp4l0-21swapper/622:49:266
111391190,0ptp4l0-21swapper/521:02:455
111391190,0ptp4l0-21swapper/520:47:095
111391190,0ptp4l0-21swapper/520:25:465
111391190,0ptp4l0-21swapper/519:14:555
111391190,0ptp4l0-21swapper/222:20:122
111391190,0ptp4l0-21swapper/221:58:592
111391190,0ptp4l0-21swapper/221:18:362
111391190,0ptp4l0-21swapper/200:31:402
111391190,0ptp4l0-21swapper/123:34:101
111391190,0ptp4l0-21swapper/120:23:501
111391180,0ptp4l0-21swapper/623:46:276
111391180,0ptp4l0-21swapper/622:28:386
111391180,0ptp4l0-21swapper/600:07:406
111391180,0ptp4l0-21swapper/519:58:445
111391180,0ptp4l0-21swapper/421:03:174
111391180,0ptp4l0-21swapper/320:59:283
111391180,0ptp4l0-21swapper/200:07:452
111391180,0ptp4l0-21swapper/120:42:231
111391180,0ptp4l0-21swapper/119:20:211
111391170,0ptp4l0-21swapper/520:23:575
111391170,0ptp4l0-21swapper/519:44:315
111391170,0ptp4l0-21swapper/221:50:362
111391170,0ptp4l0-21swapper/200:35:092
111391170,0ptp4l0-21swapper/120:12:531
111391170,0ptp4l0-21swapper/119:45:231
111391160,0ptp4l0-21swapper/723:24:597
111391160,0ptp4l0-21swapper/623:07:096
111391160,0ptp4l0-21swapper/619:28:466
111391160,0ptp4l0-21swapper/600:21:496
111391160,0ptp4l0-21swapper/523:09:385
111391160,0ptp4l0-21swapper/520:57:115
111391160,0ptp4l0-21swapper/519:51:095
111391160,0ptp4l0-21swapper/321:32:183
111391160,0ptp4l0-21swapper/320:21:013
111391160,0ptp4l0-21swapper/223:07:072
111391160,0ptp4l0-21swapper/220:38:462
111391160,0ptp4l0-21swapper/121:03:541
111391160,0ptp4l0-21swapper/119:58:341
111391160,0ptp4l0-21swapper/119:40:441
111391160,0ptp4l0-21swapper/119:38:491
111391150,0ptp4l0-21swapper/720:59:117
111391150,0ptp4l0-21swapper/720:36:097
111391150,0ptp4l0-21swapper/622:20:086
111391150,0ptp4l0-21swapper/620:46:196
111391150,0ptp4l0-21swapper/620:38:396
111391150,0ptp4l0-21swapper/620:30:426
111391150,0ptp4l0-21swapper/620:22:176
111391150,0ptp4l0-21swapper/620:03:296
111391150,0ptp4l0-21swapper/619:52:186
111391150,0ptp4l0-21swapper/619:48:356
111391150,0ptp4l0-21swapper/600:34:426
111391150,0ptp4l0-21swapper/523:42:365
111391150,0ptp4l0-21swapper/521:05:095
111391150,0ptp4l0-21swapper/520:40:035
111391150,0ptp4l0-21swapper/520:33:015
111391150,0ptp4l0-21swapper/519:45:265
111391150,0ptp4l0-21swapper/519:30:315
111391150,0ptp4l0-21swapper/519:20:205
111391150,0ptp4l0-21swapper/519:17:165
111391150,0ptp4l0-21swapper/219:52:132
111391150,0ptp4l0-21swapper/219:29:152
111391150,0ptp4l0-21swapper/200:21:502
111391150,0ptp4l0-21swapper/120:52:041
111391150,0ptp4l0-21swapper/120:35:061
111391150,0ptp4l0-21swapper/119:30:361
111391150,0ptp4l0-21swapper/119:17:141
111391140,0ptp4l0-21swapper/719:26:267
111391140,0ptp4l0-21swapper/623:34:316
111391140,0ptp4l0-21swapper/621:47:166
111391140,0ptp4l0-21swapper/620:52:026
111391140,0ptp4l0-21swapper/620:40:366
111391140,0ptp4l0-21swapper/619:55:496
111391140,0ptp4l0-21swapper/619:35:326
111391140,0ptp4l0-21swapper/619:35:326
111391140,0ptp4l0-21swapper/223:34:312
111391140,0ptp4l0-21swapper/222:28:372
111391140,0ptp4l0-21swapper/221:47:172
111391140,0ptp4l0-21swapper/221:24:242
111391140,0ptp4l0-21swapper/220:52:022
111391140,0ptp4l0-21swapper/220:46:152
111391140,0ptp4l0-21swapper/220:40:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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