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2026-05-03 - 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 Sun May 03, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75772610,0sleep60-21swapper/600:10:186
59172600,0sleep60-21swapper/622:40:386
111391600,5ptp4l0-21swapper/019:06:370
111391600,29ptp4l0-21swapper/119:05:201
239552590,0sleep40-21swapper/422:22:094
151122590,0sleep20-21swapper/222:55:002
118622590,0sleep10-21swapper/122:50:101
111391590,28ptp4l0-21swapper/319:05:113
279182580,0sleep0111rcuc/000:37:440
111391580,6ptp4l0-21swapper/519:05:205
111391580,5ptp4l0-21swapper/419:07:594
894125746,7sleep20-21swapper/219:06:162
42682570,0sleep20-21swapper/220:05:192
919725534,16sleep70-21swapper/719:09:347
922225433,6sleep60-21swapper/619:09:496
111391350,0ptp4l0-21swapper/121:26:371
111391340,0ptp4l0-21swapper/619:15:186
111391320,0ptp4l0-21swapper/421:05:194
111391320,0ptp4l0-21swapper/421:05:194
111391320,0ptp4l0-21swapper/022:05:200
111391310,6ptp4l0-21swapper/421:25:174
111391310,0ptp4l0-21swapper/400:21:584
111391310,0ptp4l0-21swapper/221:48:052
111391310,0ptp4l0-21swapper/123:30:151
111391310,0ptp4l0-21swapper/000:20:100
111391300,0ptp4l0-21swapper/523:22:535
111391300,0ptp4l0-21swapper/423:50:084
111391300,0ptp4l0-21swapper/423:50:084
111391300,0ptp4l0-21swapper/400:09:544
111391300,0ptp4l0-21swapper/400:03:464
111391290,0ptp4l0-21swapper/423:15:234
111391290,0ptp4l0-21swapper/422:14:304
111391290,0ptp4l0-21swapper/122:36:361
111391290,0ptp4l0-21swapper/121:18:521
111391290,0ptp4l0-21swapper/121:11:571
111391290,0ptp4l0-21swapper/121:11:571
111391290,0ptp4l0-21swapper/022:16:340
111391290,0ptp4l0-21swapper/000:16:180
111391280,2ptp4l0-21swapper/423:44:274
111391280,0ptp4l0-21swapper/523:35:525
111391280,0ptp4l0-21swapper/421:30:014
111391280,0ptp4l0-21swapper/400:11:044
111391280,0ptp4l0-21swapper/122:49:421
111391280,0ptp4l0-21swapper/122:00:001
111391280,0ptp4l0-21swapper/023:50:460
111391280,0ptp4l0-21swapper/023:50:460
111391270,2ptp4l0-21swapper/000:32:060
111391270,2ptp4l0-21swapper/000:05:220
111391270,0ptp4l0-21swapper/523:30:165
111391270,0ptp4l0-21swapper/423:31:184
111391270,0ptp4l0-21swapper/423:08:374
111391270,0ptp4l0-21swapper/422:26:004
111391270,0ptp4l0-21swapper/422:19:424
111391270,0ptp4l0-21swapper/421:46:024
111391270,0ptp4l0-21swapper/421:40:364
111391270,0ptp4l0-21swapper/421:38:514
111391270,0ptp4l0-21swapper/421:16:514
111391270,0ptp4l0-21swapper/323:25:103
111391270,0ptp4l0-21swapper/123:09:211
111391270,0ptp4l0-21swapper/122:31:021
111391270,0ptp4l0-21swapper/122:13:541
111391270,0ptp4l0-21swapper/119:45:041
111391270,0ptp4l0-21swapper/023:48:250
111391270,0ptp4l0-21swapper/023:48:250
111391270,0ptp4l0-21swapper/023:36:470
111391270,0ptp4l0-21swapper/023:34:150
111391270,0ptp4l0-21swapper/021:56:330
111391270,0ptp4l0-21swapper/019:50:390
111391270,0ptp4l0-21swapper/000:29:460
111391260,2ptp4l0-21swapper/421:59:004
111391260,0ptp4l0-21swapper/523:17:385
111391260,0ptp4l0-21swapper/520:15:185
111391260,0ptp4l0-21swapper/519:15:015
111391260,0ptp4l0-21swapper/423:50:004
111391260,0ptp4l0-21swapper/423:50:004
111391260,0ptp4l0-21swapper/423:35:134
111391260,0ptp4l0-21swapper/422:41:544
111391260,0ptp4l0-21swapper/421:14:224
111391260,0ptp4l0-21swapper/421:14:224
111391260,0ptp4l0-21swapper/123:22:511
111391260,0ptp4l0-21swapper/023:12:210
111391260,0ptp4l0-21swapper/022:45:120
111391260,0ptp4l0-21swapper/022:22:360
111391260,0ptp4l0-21swapper/022:10:190
111391260,0ptp4l0-21swapper/022:01:050
111391260,0ptp4l0-21swapper/021:40:440
111391260,0ptp4l0-21swapper/000:04:070
111391250,3ptp4l0-21swapper/123:51:581
111391250,3ptp4l0-21swapper/123:51:581
111391250,1ptp4l6743-21diskstats22:00:121
111391250,1ptp4l31673-21df21:50:130
111391250,1ptp4l30845-21ps23:15:130
111391250,0ptp4l0-21swapper/523:01:175
111391250,0ptp4l0-21swapper/522:00:015
111391250,0ptp4l0-21swapper/520:50:005
111391250,0ptp4l0-21swapper/423:29:394
111391250,0ptp4l0-21swapper/423:02:584
111391250,0ptp4l0-21swapper/422:46:144
111391250,0ptp4l0-21swapper/419:35:124
111391250,0ptp4l0-21swapper/400:31:124
111391250,0ptp4l0-21swapper/123:03:071
111391250,0ptp4l0-21swapper/121:24:041
111391250,0ptp4l0-21swapper/119:25:191
111391250,0ptp4l0-21swapper/023:29:000
111391250,0ptp4l0-21swapper/023:00:120
111391250,0ptp4l0-21swapper/021:10:120
111391250,0ptp4l0-21swapper/021:10:110
111391240,4ptp4l0-21swapper/120:18:041
111391240,2ptp4l0-21swapper/120:30:001
111391240,1ptp4l31998-21sendmail_mailqu19:55:184
111391240,1ptp4l28669-21diskstats21:00:130
111391240,1ptp4l26881-21memory20:55:161
111391240,1ptp4l26544-21latency_hist23:10:000
111391240,1ptp4l26028-21wc20:55:010
111391240,1ptp4l25153-21sensors_fan19:40:184
111391240,1ptp4l21782-21df20:45:130
111391240,1ptp4l19275-21ssh21:34:040
111391240,1ptp4l17224-21fw_conntrack20:35:130
111391240,1ptp4l15866-21find20:30:190
111391240,0ptp4l1967-21switchtime20:00:205
111391240,0ptp4l0-21swapper/522:45:135
111391240,0ptp4l0-21swapper/521:26:055
111391240,0ptp4l0-21swapper/521:15:155
111391240,0ptp4l0-21swapper/521:10:405
111391240,0ptp4l0-21swapper/521:10:395
111391240,0ptp4l0-21swapper/423:59:554
111391240,0ptp4l0-21swapper/423:22:044
111391240,0ptp4l0-21swapper/422:00:204
111391240,0ptp4l0-21swapper/421:53:344
111391240,0ptp4l0-21swapper/420:10:114
111391240,0ptp4l0-21swapper/419:30:184
111391240,0ptp4l0-21swapper/400:28:344
111391240,0ptp4l0-21swapper/400:15:134
111391240,0ptp4l0-21swapper/122:28:571
111391240,0ptp4l0-21swapper/121:45:191
111391240,0ptp4l0-21swapper/120:25:001
111391240,0ptp4l0-21swapper/100:36:091
111391240,0ptp4l0-21swapper/100:33:211
111391240,0ptp4l0-21swapper/022:53:050
111391240,0ptp4l0-21swapper/022:30:150
111391240,0ptp4l0-21swapper/022:25:170
111391240,0ptp4l0-21swapper/021:20:190
111391240,0ptp4l0-21swapper/021:10:010
111391240,0ptp4l0-21swapper/021:10:010
111391240,0ptp4l0-21swapper/019:55:200
111391240,0ptp4l0-21swapper/019:30:210
9535992320,0cyclictest0-21swapper/521:40:145
9535992319,0cyclictest0-21swapper/522:09:195
111391230,1ptp4l25-21ksoftirqd/121:50:251
111391230,0ptp4l11225-21ssh22:05:164
111391230,0ptp4l0-21swapper/723:25:117
111391230,0ptp4l0-21swapper/722:43:067
111391230,0ptp4l0-21swapper/620:45:146
111391230,0ptp4l0-21swapper/522:55:125
111391230,0ptp4l0-21swapper/522:50:115
111391230,0ptp4l0-21swapper/522:41:465
111391230,0ptp4l0-21swapper/522:10:405
111391230,0ptp4l0-21swapper/522:00:125
111391230,0ptp4l0-21swapper/521:45:165
111391230,0ptp4l0-21swapper/521:20:185
111391230,0ptp4l0-21swapper/520:50:145
111391230,0ptp4l0-21swapper/520:40:125
111391230,0ptp4l0-21swapper/520:25:095
111391230,0ptp4l0-21swapper/519:45:205
111391230,0ptp4l0-21swapper/519:40:125
111391230,0ptp4l0-21swapper/519:23:065
111391230,0ptp4l0-21swapper/500:35:205
111391230,0ptp4l0-21swapper/500:10:115
111391230,0ptp4l0-21swapper/500:09:135
111391230,0ptp4l0-21swapper/500:00:035
111391230,0ptp4l0-21swapper/423:10:174
111391230,0ptp4l0-21swapper/422:55:404
111391230,0ptp4l0-21swapper/422:50:164
111391230,0ptp4l0-21swapper/422:38:564
111391230,0ptp4l0-21swapper/421:00:134
111391230,0ptp4l0-21swapper/420:45:164
111391230,0ptp4l0-21swapper/420:40:174
111391230,0ptp4l0-21swapper/420:35:154
111391230,0ptp4l0-21swapper/420:30:144
111391230,0ptp4l0-21swapper/420:25:134
111391230,0ptp4l0-21swapper/419:50:164
111391230,0ptp4l0-21swapper/419:25:194
111391230,0ptp4l0-21swapper/419:20:184
111391230,0ptp4l0-21swapper/419:15:144
111391230,0ptp4l0-21swapper/419:10:184
111391230,0ptp4l0-21swapper/400:35:064
111391230,0ptp4l0-21swapper/323:24:523
111391230,0ptp4l0-21swapper/220:45:132
111391230,0ptp4l0-21swapper/219:15:212
111391230,0ptp4l0-21swapper/200:01:102
111391230,0ptp4l0-21swapper/123:35:481
111391230,0ptp4l0-21swapper/123:19:431
111391230,0ptp4l0-21swapper/122:55:141
111391230,0ptp4l0-21swapper/120:40:101
111391230,0ptp4l0-21swapper/120:10:001
111391230,0ptp4l0-21swapper/119:40:131
111391230,0ptp4l0-21swapper/119:15:011
111391230,0ptp4l0-21swapper/100:17:481
111391230,0ptp4l0-21swapper/100:10:131
111391230,0ptp4l0-21swapper/023:55:250
111391230,0ptp4l0-21swapper/023:44:080
111391230,0ptp4l0-21swapper/023:20:140
111391230,0ptp4l0-21swapper/022:57:460
111391230,0ptp4l0-21swapper/022:40:110
111391230,0ptp4l0-21swapper/022:38:420
111391230,0ptp4l0-21swapper/021:45:410
111391230,0ptp4l0-21swapper/021:35:120
111391230,0ptp4l0-21swapper/021:28:290
111391230,0ptp4l0-21swapper/021:15:060
111391230,0ptp4l0-21swapper/020:55:140
111391230,0ptp4l0-21swapper/020:25:110
111391230,0ptp4l0-21swapper/020:10:110
111391230,0ptp4l0-21swapper/020:05:160
111391230,0ptp4l0-21swapper/019:40:390
111391230,0ptp4l0-21swapper/019:35:140
111391230,0ptp4l0-21swapper/000:10:140
111391220,0ptp4l0-21swapper/723:24:317
111391220,0ptp4l0-21swapper/623:56:406
111391220,0ptp4l0-21swapper/623:20:366
111391220,0ptp4l0-21swapper/621:48:076
111391220,0ptp4l0-21swapper/621:43:326
111391220,0ptp4l0-21swapper/600:29:306
111391220,0ptp4l0-21swapper/600:04:006
111391220,0ptp4l0-21swapper/523:51:545
111391220,0ptp4l0-21swapper/523:51:545
111391220,0ptp4l0-21swapper/523:46:195
111391220,0ptp4l0-21swapper/523:46:195
111391220,0ptp4l0-21swapper/523:42:335
111391220,0ptp4l0-21swapper/522:35:125
111391220,0ptp4l0-21swapper/522:31:045
111391220,0ptp4l0-21swapper/522:22:325
111391220,0ptp4l0-21swapper/522:17:045
111391220,0ptp4l0-21swapper/521:36:475
111391220,0ptp4l0-21swapper/520:55:185
111391220,0ptp4l0-21swapper/520:24:045
111391220,0ptp4l0-21swapper/519:55:125
111391220,0ptp4l0-21swapper/519:25:115
111391220,0ptp4l0-21swapper/500:30:505
111391220,0ptp4l0-21swapper/500:26:065
111391220,0ptp4l0-21swapper/500:19:295
111391220,0ptp4l0-21swapper/422:30:074
111391220,0ptp4l0-21swapper/421:20:154
111391220,0ptp4l0-21swapper/420:55:154
111391220,0ptp4l0-21swapper/420:51:404
111391220,0ptp4l0-21swapper/420:05:134
111391220,0ptp4l0-21swapper/420:00:114
111391220,0ptp4l0-21swapper/300:38:473
111391220,0ptp4l0-21swapper/300:22:343
111391220,0ptp4l0-21swapper/222:22:112
111391220,0ptp4l0-21swapper/221:28:062
111391220,0ptp4l0-21swapper/123:46:261
111391220,0ptp4l0-21swapper/123:46:261
111391220,0ptp4l0-21swapper/123:40:161
111391220,0ptp4l0-21swapper/123:26:301
111391220,0ptp4l0-21swapper/122:41:431
111391220,0ptp4l0-21swapper/122:22:271
111391220,0ptp4l0-21swapper/122:07:501
111391220,0ptp4l0-21swapper/121:36:551
111391220,0ptp4l0-21swapper/120:50:191
111391220,0ptp4l0-21swapper/120:00:151
111391220,0ptp4l0-21swapper/119:36:441
111391220,0ptp4l0-21swapper/100:26:081
111391220,0ptp4l0-21swapper/100:09:591
111391220,0ptp4l0-21swapper/020:40:150
111391220,0ptp4l0-21swapper/020:20:340
111391220,0ptp4l0-21swapper/019:20:130
111391220,0ptp4l0-21swapper/019:15:140
111391220,0ptp4l0-21swapper/019:10:160
111391210,0ptp4l0-21swapper/700:38:457
111391210,0ptp4l0-21swapper/700:22:407
111391210,0ptp4l0-21swapper/622:15:426
111391210,0ptp4l0-21swapper/523:26:555
111391210,0ptp4l0-21swapper/523:05:145
111391210,0ptp4l0-21swapper/521:51:285
111391210,0ptp4l0-21swapper/520:31:065
111391210,0ptp4l0-21swapper/419:47:404
111391210,0ptp4l0-21swapper/323:57:463
111391210,0ptp4l0-21swapper/322:42:293
111391210,0ptp4l0-21swapper/320:32:123
111391210,0ptp4l0-21swapper/222:15:332
111391210,0ptp4l0-21swapper/221:51:182
111391210,0ptp4l0-21swapper/221:43:332
111391210,0ptp4l0-21swapper/122:18:541
111391210,0ptp4l0-21swapper/121:44:321
111391210,0ptp4l0-21swapper/121:32:011
111391210,0ptp4l0-21swapper/121:01:011
111391210,0ptp4l0-21swapper/100:02:301
111391200,0ptp4l0-21swapper/723:57:387
111391200,0ptp4l0-21swapper/722:36:117
111391200,0ptp4l0-21swapper/623:07:516
111391200,0ptp4l0-21swapper/523:55:375
111391200,0ptp4l0-21swapper/522:25:595
111391200,0ptp4l0-21swapper/521:32:125
111391200,0ptp4l0-21swapper/520:14:035
111391200,0ptp4l0-21swapper/420:17:124
111391200,0ptp4l0-21swapper/320:57:033
111391200,0ptp4l0-21swapper/320:44:063
111391200,0ptp4l0-21swapper/223:56:392
111391200,0ptp4l0-21swapper/221:39:052
111391200,0ptp4l0-21swapper/219:30:392
111391200,0ptp4l0-21swapper/120:39:561
111391200,0ptp4l0-21swapper/120:10:011
111391200,0ptp4l0-21swapper/020:02:060
111391200,0ptp4l0-21swapper/019:29:390
111391190,0ptp4l0-21swapper/720:56:407
111391190,0ptp4l0-21swapper/720:32:057
111391190,0ptp4l0-21swapper/622:23:176
111391190,0ptp4l0-21swapper/322:36:123
111391190,0ptp4l0-21swapper/320:21:053
111391190,0ptp4l0-21swapper/200:12:582
111391190,0ptp4l0-21swapper/123:55:351
111391190,0ptp4l0-21swapper/120:25:191
9535991815,0cyclictest0-21swapper/521:08:355
9535991815,0cyclictest0-21swapper/521:08:355
9535991814,0cyclictest0-21swapper/520:36:075
111391180,0ptp4l241ktimersoftd/100:22:001
111391180,0ptp4l0-21swapper/223:20:382
111391180,0ptp4l0-21swapper/120:46:051
9535991713,3cyclictest0-21swapper/521:00:555
111391170,0ptp4l0-21swapper/519:54:415
111391170,0ptp4l0-21swapper/323:12:533
111391170,0ptp4l0-21swapper/119:14:141
181092160,0sleep20-21swapper/223:40:182
111391160,0ptp4l0-21swapper/720:43:537
111391160,0ptp4l0-21swapper/520:05:285
111391160,0ptp4l0-21swapper/519:17:035
111391160,0ptp4l0-21swapper/223:07:462
111391160,0ptp4l0-21swapper/222:25:012
111391160,0ptp4l0-21swapper/200:29:302
111391160,0ptp4l0-21swapper/121:06:001
111391160,0ptp4l0-21swapper/121:05:591
111391160,0ptp4l0-21swapper/119:54:301
111391160,0ptp4l0-21swapper/119:30:101
111391160,0ptp4l0-21swapper/119:20:291
111391160,0ptp4l0-21swapper/020:15:500
111391150,0ptp4l0-21swapper/723:12:547
111391150,0ptp4l0-21swapper/720:20:497
111391150,0ptp4l0-21swapper/621:39:046
111391150,0ptp4l0-21swapper/620:51:326
111391150,0ptp4l0-21swapper/620:31:426
111391150,0ptp4l0-21swapper/620:28:186
111391150,0ptp4l0-21swapper/620:21:246
111391150,0ptp4l0-21swapper/620:19:366
111391150,0ptp4l0-21swapper/620:05:306
111391150,0ptp4l0-21swapper/619:30:276
111391150,0ptp4l0-21swapper/619:26:276
111391150,0ptp4l0-21swapper/619:11:436
111391150,0ptp4l0-21swapper/519:35:415
111391150,0ptp4l0-21swapper/500:23:565
111391150,0ptp4l0-21swapper/420:20:224
111391150,0ptp4l0-21swapper/221:34:512
111391150,0ptp4l0-21swapper/220:42:562
111391150,0ptp4l0-21swapper/220:21:322
111391150,0ptp4l0-21swapper/220:19:382
111391150,0ptp4l0-21swapper/219:55:452
111391150,0ptp4l0-21swapper/219:26:462
111391150,0ptp4l0-21swapper/219:21:112
111391150,0ptp4l0-21swapper/219:12:052
111391150,0ptp4l0-21swapper/119:55:031
111391150,0ptp4l0-21swapper/019:45:010
9513991412,1cyclictest0-21swapper/200:30:162
111391140,0ptp4l0-21swapper/621:51:186
111391140,0ptp4l0-21swapper/619:55:446
111391140,0ptp4l0-21swapper/619:43:286
111391140,0ptp4l0-21swapper/619:21:136
111391140,0ptp4l0-21swapper/519:30:115
111391140,0ptp4l0-21swapper/223:45:232
111391140,0ptp4l0-21swapper/223:45:232
111391140,0ptp4l0-21swapper/220:51:302
111391140,0ptp4l0-21swapper/220:37:392
111391140,0ptp4l0-21swapper/220:31:402
111391140,0ptp4l0-21swapper/220:28:172
111391140,0ptp4l0-21swapper/219:43:292
952199130,1cyclictest0-21swapper/300:05:153
955099110,10cyclictest0-21swapper/722:26:557
955099109,0cyclictest0-21swapper/723:40:007
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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