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2026-04-19 - 12:51

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 Apr 19, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391640,5ptp4l0-21swapper/019:05:560
111391620,5ptp4l0-21swapper/419:09:524
1881916150,7phc2sys0-21swapper/119:08:141
1502325949,6sleep70-21swapper/719:07:297
60912560,0sleep10-21swapper/121:08:091
1516725432,7sleep50-21swapper/519:09:205
1508225039,7sleep20-21swapper/219:08:132
1508624938,6sleep60-21swapper/619:08:176
1488724736,7sleep30-21swapper/319:05:483
111391370,0ptp4l0-21swapper/519:20:165
111391330,0ptp4l0-21swapper/421:10:164
111391320,0ptp4l0-21swapper/419:55:174
111391320,0ptp4l0-21swapper/419:45:154
111391310,0ptp4l0-21swapper/422:20:164
111391300,0ptp4l16110-21cat19:10:141
111391300,0ptp4l0-21swapper/519:10:155
111391300,0ptp4l0-21swapper/100:22:381
111391300,0ptp4l0-21swapper/021:10:130
111391290,0ptp4l0-21swapper/600:23:376
111391290,0ptp4l0-21swapper/523:48:345
111391290,0ptp4l0-21swapper/500:32:105
111391290,0ptp4l0-21swapper/423:10:144
111391290,0ptp4l0-21swapper/422:50:124
111391290,0ptp4l0-21swapper/421:45:464
111391290,0ptp4l0-21swapper/421:32:064
111391290,0ptp4l0-21swapper/421:26:384
111391290,0ptp4l0-21swapper/122:29:351
111391290,0ptp4l0-21swapper/022:53:480
111391290,0ptp4l0-21swapper/000:10:110
111391280,0ptp4l0-21swapper/521:56:215
111391280,0ptp4l0-21swapper/521:43:095
111391280,0ptp4l0-21swapper/423:17:524
111391280,0ptp4l0-21swapper/422:02:494
111391280,0ptp4l0-21swapper/123:10:561
111391280,0ptp4l0-21swapper/121:36:021
111391280,0ptp4l0-21swapper/021:20:230
111391270,0ptp4l0-21swapper/422:11:554
111391270,0ptp4l0-21swapper/421:44:424
111391270,0ptp4l0-21swapper/322:25:183
111391270,0ptp4l0-21swapper/023:47:190
111391270,0ptp4l0-21swapper/022:35:410
111391270,0ptp4l0-21swapper/022:01:580
111391260,5ptp4l16159-21kworker/0:222:59:320
111391260,0ptp4l0-21swapper/522:43:135
111391260,0ptp4l0-21swapper/423:55:384
111391260,0ptp4l0-21swapper/421:18:184
111391260,0ptp4l0-21swapper/123:30:131
111391260,0ptp4l0-21swapper/022:28:100
111391260,0ptp4l0-21swapper/022:24:020
111391260,0ptp4l0-21swapper/021:26:460
111391260,0ptp4l0-21swapper/019:32:550
111391260,0ptp4l0-21swapper/000:35:410
111391250,1ptp4l29727-21sed20:50:001
111391250,1ptp4l21330-21latency20:30:144
111391250,0ptp4l0-21swapper/722:24:597
111391250,0ptp4l0-21swapper/523:56:405
111391250,0ptp4l0-21swapper/523:15:515
111391250,0ptp4l0-21swapper/523:06:015
111391250,0ptp4l0-21swapper/423:47:464
111391250,0ptp4l0-21swapper/422:17:354
111391250,0ptp4l0-21swapper/421:56:114
111391250,0ptp4l0-21swapper/421:38:564
111391250,0ptp4l0-21swapper/421:21:594
111391250,0ptp4l0-21swapper/400:38:184
111391250,0ptp4l0-21swapper/322:31:073
111391250,0ptp4l0-21swapper/200:00:182
111391250,0ptp4l0-21swapper/122:55:201
111391250,0ptp4l0-21swapper/023:16:190
111391250,0ptp4l0-21swapper/023:10:340
111391250,0ptp4l0-21swapper/000:25:210
111391250,0ptp4l0-21swapper/000:23:510
111391250,0ptp4l0-21swapper/000:03:500
111391240,1ptp4l32001-21latency_hist20:55:004
111391240,1ptp4l21008-21diskstats22:15:130
111391240,1ptp4l20377-21cpuspeed_turbos23:00:131
111391240,1ptp4l2003-21munin-run22:35:004
111391240,1ptp4l18030-21load22:10:151
111391240,1ptp4l1547899cyclictest22:21:491
111391240,1ptp4l12764-21cat22:50:010
111391240,1ptp4l12764-21cat22:50:010
111391240,0ptp4l26974-21ssh21:37:030
111391240,0ptp4l0-21swapper/621:26:076
111391240,0ptp4l0-21swapper/600:38:136
111391240,0ptp4l0-21swapper/523:02:355
111391240,0ptp4l0-21swapper/522:38:455
111391240,0ptp4l0-21swapper/522:23:135
111391240,0ptp4l0-21swapper/522:06:255
111391240,0ptp4l0-21swapper/521:20:135
111391240,0ptp4l0-21swapper/520:50:125
111391240,0ptp4l0-21swapper/423:38:144
111391240,0ptp4l0-21swapper/423:31:464
111391240,0ptp4l0-21swapper/423:26:354
111391240,0ptp4l0-21swapper/422:28:364
111391240,0ptp4l0-21swapper/420:15:194
111391240,0ptp4l0-21swapper/419:54:564
111391240,0ptp4l0-21swapper/321:28:513
111391240,0ptp4l0-21swapper/123:49:521
111391240,0ptp4l0-21swapper/122:45:161
111391240,0ptp4l0-21swapper/122:45:161
111391240,0ptp4l0-21swapper/122:38:471
111391240,0ptp4l0-21swapper/122:19:381
111391240,0ptp4l0-21swapper/121:42:471
111391240,0ptp4l0-21swapper/119:30:001
111391240,0ptp4l0-21swapper/023:40:110
111391240,0ptp4l0-21swapper/023:30:190
111391240,0ptp4l0-21swapper/022:44:490
111391240,0ptp4l0-21swapper/021:57:140
111391240,0ptp4l0-21swapper/021:00:190
111391240,0ptp4l0-21swapper/020:05:150
111391240,0ptp4l0-21swapper/020:05:140
111391230,1ptp4l15539-21sh22:53:071
111391230,1ptp4l15189-21ssh22:05:224
111391230,1ptp4l12553-21sensors20:10:175
111391230,1ptp4l12435-21ssh21:16:380
111391230,0ptp4l0-21swapper/722:25:127
111391230,0ptp4l0-21swapper/719:15:187
111391230,0ptp4l0-21swapper/623:20:186
111391230,0ptp4l0-21swapper/600:00:206
111391230,0ptp4l0-21swapper/523:35:155
111391230,0ptp4l0-21swapper/523:30:125
111391230,0ptp4l0-21swapper/523:25:155
111391230,0ptp4l0-21swapper/523:10:425
111391230,0ptp4l0-21swapper/522:55:175
111391230,0ptp4l0-21swapper/522:30:105
111391230,0ptp4l0-21swapper/521:48:575
111391230,0ptp4l0-21swapper/521:25:135
111391230,0ptp4l0-21swapper/520:45:115
111391230,0ptp4l0-21swapper/520:40:155
111391230,0ptp4l0-21swapper/520:15:115
111391230,0ptp4l0-21swapper/519:30:135
111391230,0ptp4l0-21swapper/519:25:115
111391230,0ptp4l0-21swapper/519:15:015
111391230,0ptp4l0-21swapper/500:25:155
111391230,0ptp4l0-21swapper/500:22:155
111391230,0ptp4l0-21swapper/500:15:145
111391230,0ptp4l0-21swapper/423:50:154
111391230,0ptp4l0-21swapper/423:40:124
111391230,0ptp4l0-21swapper/423:20:164
111391230,0ptp4l0-21swapper/422:45:534
111391230,0ptp4l0-21swapper/422:45:524
111391230,0ptp4l0-21swapper/422:35:114
111391230,0ptp4l0-21swapper/421:50:184
111391230,0ptp4l0-21swapper/420:35:214
111391230,0ptp4l0-21swapper/420:20:184
111391230,0ptp4l0-21swapper/420:10:194
111391230,0ptp4l0-21swapper/420:00:154
111391230,0ptp4l0-21swapper/419:40:124
111391230,0ptp4l0-21swapper/400:20:084
111391230,0ptp4l0-21swapper/400:15:114
111391230,0ptp4l0-21swapper/400:05:144
111391230,0ptp4l0-21swapper/400:01:314
111391230,0ptp4l0-21swapper/323:28:063
111391230,0ptp4l0-21swapper/319:15:213
111391230,0ptp4l0-21swapper/223:43:452
111391230,0ptp4l0-21swapper/221:13:002
111391230,0ptp4l0-21swapper/200:20:112
111391230,0ptp4l0-21swapper/122:00:311
111391230,0ptp4l0-21swapper/121:25:101
111391230,0ptp4l0-21swapper/121:15:161
111391230,0ptp4l0-21swapper/121:10:201
111391230,0ptp4l0-21swapper/120:40:121
111391230,0ptp4l0-21swapper/119:35:171
111391230,0ptp4l0-21swapper/119:30:131
111391230,0ptp4l0-21swapper/119:20:131
111391230,0ptp4l0-21swapper/100:35:501
111391230,0ptp4l0-21swapper/100:30:191
111391230,0ptp4l0-21swapper/023:50:200
111391230,0ptp4l0-21swapper/023:35:190
111391230,0ptp4l0-21swapper/023:25:050
111391230,0ptp4l0-21swapper/023:24:100
111391230,0ptp4l0-21swapper/023:04:370
111391230,0ptp4l0-21swapper/022:07:590
111391230,0ptp4l0-21swapper/021:50:140
111391230,0ptp4l0-21swapper/020:25:120
111391230,0ptp4l0-21swapper/020:20:100
111391230,0ptp4l0-21swapper/020:10:180
111391230,0ptp4l0-21swapper/020:00:200
111391230,0ptp4l0-21swapper/019:55:160
111391230,0ptp4l0-21swapper/019:40:200
111391230,0ptp4l0-21swapper/000:30:250
111391230,0ptp4l0-21swapper/000:16:070
111391230,0ptp4l0-21swapper/000:09:230
111391220,1ptp4l21447-21/usr/sbin/munin21:30:135
111391220,1ptp4l16453-21sh21:22:491
111391220,0ptp4l0-21swapper/723:55:457
111391220,0ptp4l0-21swapper/722:30:417
111391220,0ptp4l0-21swapper/721:33:127
111391220,0ptp4l0-21swapper/721:28:237
111391220,0ptp4l0-21swapper/623:17:516
111391220,0ptp4l0-21swapper/622:47:176
111391220,0ptp4l0-21swapper/622:47:176
111391220,0ptp4l0-21swapper/622:33:376
111391220,0ptp4l0-21swapper/619:38:286
111391220,0ptp4l0-21swapper/600:25:406
111391220,0ptp4l0-21swapper/523:51:565
111391220,0ptp4l0-21swapper/522:53:095
111391220,0ptp4l0-21swapper/522:27:075
111391220,0ptp4l0-21swapper/522:10:195
111391220,0ptp4l0-21swapper/522:00:135
111391220,0ptp4l0-21swapper/521:53:265
111391220,0ptp4l0-21swapper/521:36:405
111391220,0ptp4l0-21swapper/521:15:185
111391220,0ptp4l0-21swapper/521:05:215
111391220,0ptp4l0-21swapper/520:05:145
111391220,0ptp4l0-21swapper/520:05:145
111391220,0ptp4l0-21swapper/519:35:005
111391220,0ptp4l0-21swapper/500:04:355
111391220,0ptp4l0-21swapper/423:08:114
111391220,0ptp4l0-21swapper/423:02:564
111391220,0ptp4l0-21swapper/422:40:154
111391220,0ptp4l0-21swapper/420:40:184
111391220,0ptp4l0-21swapper/420:25:104
111391220,0ptp4l0-21swapper/400:34:184
111391220,0ptp4l0-21swapper/400:28:074
111391220,0ptp4l0-21swapper/400:10:114
111391220,0ptp4l0-21swapper/223:20:162
111391220,0ptp4l0-21swapper/222:47:152
111391220,0ptp4l0-21swapper/222:47:152
111391220,0ptp4l0-21swapper/200:27:102
111391220,0ptp4l0-21swapper/123:56:491
111391220,0ptp4l0-21swapper/123:51:161
111391220,0ptp4l0-21swapper/123:35:131
111391220,0ptp4l0-21swapper/123:25:161
111391220,0ptp4l0-21swapper/123:21:531
111391220,0ptp4l0-21swapper/123:17:291
111391220,0ptp4l0-21swapper/123:05:171
111391220,0ptp4l0-21swapper/122:41:291
111391220,0ptp4l0-21swapper/121:52:551
111391220,0ptp4l0-21swapper/121:45:331
111391220,0ptp4l0-21swapper/121:31:371
111391220,0ptp4l0-21swapper/120:55:191
111391220,0ptp4l0-21swapper/120:50:161
111391220,0ptp4l0-21swapper/120:15:111
111391220,0ptp4l0-21swapper/120:15:001
111391220,0ptp4l0-21swapper/100:25:141
111391220,0ptp4l0-21swapper/100:15:121
111391220,0ptp4l0-21swapper/100:13:591
111391220,0ptp4l0-21swapper/100:01:431
111391220,0ptp4l0-21swapper/023:55:150
111391220,0ptp4l0-21swapper/023:05:050
111391220,0ptp4l0-21swapper/022:30:180
111391220,0ptp4l0-21swapper/022:10:100
111391220,0ptp4l0-21swapper/021:45:030
111391220,0ptp4l0-21swapper/021:40:000
111391220,0ptp4l0-21swapper/021:30:130
111391220,0ptp4l0-21swapper/021:05:190
111391220,0ptp4l0-21swapper/021:00:010
111391220,0ptp4l0-21swapper/020:40:170
111391220,0ptp4l0-21swapper/020:35:010
111391220,0ptp4l0-21swapper/020:30:190
111391220,0ptp4l0-21swapper/020:15:190
111391220,0ptp4l0-21swapper/019:50:150
111391220,0ptp4l0-21swapper/019:13:170
111391210,0ptp4l0-21swapper/623:04:396
111391210,0ptp4l0-21swapper/622:07:276
111391210,0ptp4l0-21swapper/621:34:166
111391210,0ptp4l0-21swapper/621:14:346
111391210,0ptp4l0-21swapper/523:41:005
111391210,0ptp4l0-21swapper/522:45:125
111391210,0ptp4l0-21swapper/522:45:115
111391210,0ptp4l0-21swapper/522:19:405
111391210,0ptp4l0-21swapper/500:14:125
111391210,0ptp4l0-21swapper/422:59:044
111391210,0ptp4l0-21swapper/421:05:184
111391210,0ptp4l0-21swapper/421:03:084
111391210,0ptp4l0-21swapper/420:45:184
111391210,0ptp4l0-21swapper/419:38:044
111391210,0ptp4l0-21swapper/419:15:144
111391210,0ptp4l0-21swapper/322:24:553
111391210,0ptp4l0-21swapper/321:33:043
111391210,0ptp4l0-21swapper/223:57:412
111391210,0ptp4l0-21swapper/221:41:332
111391210,0ptp4l0-21swapper/200:06:432
111391210,0ptp4l0-21swapper/123:41:031
111391210,0ptp4l0-21swapper/122:30:111
111391210,0ptp4l0-21swapper/121:55:571
111391210,0ptp4l0-21swapper/120:35:531
111391210,0ptp4l0-21swapper/120:05:181
111391210,0ptp4l0-21swapper/120:05:171
111391210,0ptp4l0-21swapper/119:51:131
111391210,0ptp4l0-21swapper/020:54:220
111391210,0ptp4l0-21swapper/019:45:080
111391210,0ptp4l0-21swapper/019:20:000
111391200,4ptp4l0-21swapper/600:10:286
111391200,0ptp4l0-21swapper/623:43:476
111391200,0ptp4l0-21swapper/523:21:515
111391200,0ptp4l0-21swapper/520:55:155
111391200,0ptp4l0-21swapper/519:43:065
111391200,0ptp4l0-21swapper/500:35:455
111391200,0ptp4l0-21swapper/500:09:155
111391200,0ptp4l0-21swapper/420:59:564
111391200,0ptp4l0-21swapper/420:09:284
111391200,0ptp4l0-21swapper/420:09:274
111391200,0ptp4l0-21swapper/320:16:553
111391200,0ptp4l0-21swapper/222:50:352
111391200,0ptp4l0-21swapper/222:33:262
111391200,0ptp4l0-21swapper/200:37:082
111391200,0ptp4l0-21swapper/122:07:011
111391200,0ptp4l0-21swapper/120:32:551
111391200,0ptp4l0-21swapper/119:57:541
111391200,0ptp4l0-21swapper/100:09:061
111391200,0ptp4l0-21swapper/020:45:140
111391200,0ptp4l0-21swapper/019:39:070
111391200,0ptp4l0-21swapper/019:16:420
111391190,0ptp4l0-21swapper/623:27:066
111391190,0ptp4l0-21swapper/622:51:116
111391190,0ptp4l0-21swapper/520:25:365
111391190,0ptp4l0-21swapper/520:02:085
111391190,0ptp4l0-21swapper/519:57:085
111391190,0ptp4l0-21swapper/419:33:064
111391190,0ptp4l0-21swapper/300:23:003
111391190,0ptp4l0-21swapper/223:37:582
111391190,0ptp4l0-21swapper/221:34:122
111391190,0ptp4l0-21swapper/221:18:322
111391190,0ptp4l0-21swapper/120:01:551
111391190,0ptp4l0-21swapper/019:27:230
111391180,0ptp4l0-21swapper/623:57:436
111391180,0ptp4l0-21swapper/623:38:046
111391180,0ptp4l0-21swapper/622:02:436
111391180,0ptp4l0-21swapper/621:44:416
111391180,0ptp4l0-21swapper/600:06:436
111391180,0ptp4l0-21swapper/520:39:565
111391180,0ptp4l0-21swapper/419:12:224
111391180,0ptp4l0-21swapper/222:07:242
111391180,0ptp4l0-21swapper/221:26:002
111391180,0ptp4l0-21swapper/200:10:242
111391170,2ptp4l0-21swapper/120:25:291
111391170,0ptp4l0-21swapper/700:22:597
111391170,0ptp4l0-21swapper/419:27:594
111391170,0ptp4l0-21swapper/222:55:342
111391170,0ptp4l0-21swapper/222:11:232
111391170,0ptp4l0-21swapper/200:30:012
111391170,0ptp4l0-21swapper/200:16:092
111391160,0ptp4l0-21swapper/621:38:296
111391160,0ptp4l0-21swapper/621:18:316
111391160,0ptp4l0-21swapper/620:35:416
111391160,0ptp4l0-21swapper/600:16:096
111391160,0ptp4l0-21swapper/520:32:575
111391160,0ptp4l0-21swapper/323:55:473
111391160,0ptp4l0-21swapper/223:04:412
111391160,0ptp4l0-21swapper/222:02:432
111391160,0ptp4l0-21swapper/220:03:062
111391160,0ptp4l0-21swapper/120:23:421
111391160,0ptp4l0-21swapper/119:40:441
111391150,0ptp4l33-21ksoftirqd/221:01:302
111391150,0ptp4l0-21swapper/720:16:097
111391150,0ptp4l0-21swapper/719:24:067
111391150,0ptp4l0-21swapper/622:17:286
111391150,0ptp4l0-21swapper/621:01:316
111391150,0ptp4l0-21swapper/620:27:446
111391150,0ptp4l0-21swapper/620:21:156
111391150,0ptp4l0-21swapper/620:08:176
111391150,0ptp4l0-21swapper/620:08:166
111391150,0ptp4l0-21swapper/620:03:076
111391150,0ptp4l0-21swapper/619:15:316
111391150,0ptp4l0-21swapper/521:01:565
111391150,0ptp4l0-21swapper/520:23:425
111391150,0ptp4l0-21swapper/519:50:395
111391150,0ptp4l0-21swapper/519:45:325
111391150,0ptp4l0-21swapper/419:24:294
111391150,0ptp4l0-21swapper/319:24:073
111391150,0ptp4l0-21swapper/223:19:462
111391150,0ptp4l0-21swapper/220:41:242
111391150,0ptp4l0-21swapper/220:35:392
111391150,0ptp4l0-21swapper/220:27:422
111391150,0ptp4l0-21swapper/220:21:112
111391150,0ptp4l0-21swapper/220:08:162
111391150,0ptp4l0-21swapper/220:08:162
111391150,0ptp4l0-21swapper/219:42:462
111391150,0ptp4l0-21swapper/219:38:232
111391150,0ptp4l0-21swapper/121:01:121
111391150,0ptp4l0-21swapper/119:45:311
111391150,0ptp4l0-21swapper/119:17:001
111391140,0ptp4l0-21swapper/622:55:356
111391140,0ptp4l0-21swapper/620:54:266
111391140,0ptp4l0-21swapper/620:41:266
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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