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2025-12-14 - 03:53

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 Dec 14, 2025 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391650,5ptp4l0-21swapper/019:05:300
117752620,0sleep50-21swapper/523:00:185
111391600,5ptp4l0-21swapper/419:07:564
98325848,6sleep20-21swapper/219:08:142
86725645,6sleep70-21swapper/719:06:517
111391560,5ptp4l0-21swapper/119:06:291
72624938,7sleep30-21swapper/319:05:263
86624736,7sleep60-21swapper/619:06:496
75724636,6sleep50-21swapper/519:05:445
111391310,0ptp4l0-21swapper/021:35:170
111391310,0ptp4l0-21swapper/021:35:160
111391300,0ptp4l0-21swapper/000:05:200
111391260,0ptp4l0-21swapper/121:30:131
111391250,1ptp4l22786-21irqstats23:25:160
111391250,0ptp4l0-21swapper/421:46:554
111391250,0ptp4l0-21swapper/019:29:530
111391240,1ptp4l4215-21irqstats23:55:174
111391240,1ptp4l32338-21missed_timers22:35:160
111391240,1ptp4l1535-21fw_conntrack23:50:124
111391240,1ptp4l13501-21cat19:35:004
111391240,1ptp4l10320-21basename23:00:000
111391240,0ptp4l0-21swapper/522:05:215
111391240,0ptp4l0-21swapper/519:55:145
111391240,0ptp4l0-21swapper/423:25:164
111391240,0ptp4l0-21swapper/422:40:224
111391240,0ptp4l0-21swapper/421:15:174
111391240,0ptp4l0-21swapper/419:15:024
111391240,0ptp4l0-21swapper/100:30:181
111391240,0ptp4l0-21swapper/023:50:180
111391240,0ptp4l0-21swapper/021:55:130
111391240,0ptp4l0-21swapper/020:30:230
111391240,0ptp4l0-21swapper/020:20:190
111391230,1ptp4l8467-21fw_forwarded_lo00:05:144
111391230,1ptp4l8049-21timerandwakeup19:20:185
111391230,1ptp4l8020-21munin-run22:54:596
111391230,1ptp4l31595-21fw_conntrack23:45:125
111391230,1ptp4l28029-21sed21:15:180
111391230,1ptp4l25219-21memory23:30:150
111391230,1ptp4l18347-21irqrtprio22:05:171
111391230,1ptp4l15486-21latency_hist22:00:011
111391230,0ptp4l0-21swapper/523:10:215
111391230,0ptp4l0-21swapper/522:50:005
111391230,0ptp4l0-21swapper/521:30:175
111391230,0ptp4l0-21swapper/521:20:145
111391230,0ptp4l0-21swapper/520:25:105
111391230,0ptp4l0-21swapper/520:05:205
111391230,0ptp4l0-21swapper/519:51:115
111391230,0ptp4l0-21swapper/519:45:155
111391230,0ptp4l0-21swapper/500:30:175
111391230,0ptp4l0-21swapper/500:10:165
111391230,0ptp4l0-21swapper/423:46:414
111391230,0ptp4l0-21swapper/423:10:124
111391230,0ptp4l0-21swapper/422:35:154
111391230,0ptp4l0-21swapper/421:55:194
111391230,0ptp4l0-21swapper/421:40:114
111391230,0ptp4l0-21swapper/421:05:184
111391230,0ptp4l0-21swapper/421:00:444
111391230,0ptp4l0-21swapper/420:40:114
111391230,0ptp4l0-21swapper/420:36:114
111391230,0ptp4l0-21swapper/420:30:154
111391230,0ptp4l0-21swapper/420:15:194
111391230,0ptp4l0-21swapper/420:10:114
111391230,0ptp4l0-21swapper/420:05:124
111391230,0ptp4l0-21swapper/420:00:134
111391230,0ptp4l0-21swapper/419:35:134
111391230,0ptp4l0-21swapper/400:35:124
111391230,0ptp4l0-21swapper/400:25:144
111391230,0ptp4l0-21swapper/323:48:023
111391230,0ptp4l0-21swapper/122:15:161
111391230,0ptp4l0-21swapper/122:10:171
111391230,0ptp4l0-21swapper/121:25:211
111391230,0ptp4l0-21swapper/120:55:111
111391230,0ptp4l0-21swapper/120:50:151
111391230,0ptp4l0-21swapper/119:55:111
111391230,0ptp4l0-21swapper/119:50:141
111391230,0ptp4l0-21swapper/119:25:131
111391230,0ptp4l0-21swapper/100:20:151
111391230,0ptp4l0-21swapper/023:40:180
111391230,0ptp4l0-21swapper/023:20:200
111391230,0ptp4l0-21swapper/023:05:160
111391230,0ptp4l0-21swapper/022:32:120
111391230,0ptp4l0-21swapper/022:04:310
111391230,0ptp4l0-21swapper/021:20:160
111391230,0ptp4l0-21swapper/020:45:150
111391230,0ptp4l0-21swapper/020:45:010
111391230,0ptp4l0-21swapper/020:28:590
111391230,0ptp4l0-21swapper/020:10:110
111391230,0ptp4l0-21swapper/020:05:170
111391230,0ptp4l0-21swapper/019:15:250
111391230,0ptp4l0-21swapper/000:25:190
111391220,1ptp4l12488-21sendmail_mailqu19:30:190
111391220,0ptp4l0-21swapper/622:40:156
111391220,0ptp4l0-21swapper/621:15:196
111391220,0ptp4l0-21swapper/523:50:145
111391220,0ptp4l0-21swapper/523:31:175
111391220,0ptp4l0-21swapper/522:42:325
111391220,0ptp4l0-21swapper/522:33:345
111391220,0ptp4l0-21swapper/522:25:005
111391220,0ptp4l0-21swapper/522:15:145
111391220,0ptp4l0-21swapper/522:13:585
111391220,0ptp4l0-21swapper/522:00:115
111391220,0ptp4l0-21swapper/521:50:175
111391220,0ptp4l0-21swapper/520:55:175
111391220,0ptp4l0-21swapper/520:50:165
111391220,0ptp4l0-21swapper/520:48:025
111391220,0ptp4l0-21swapper/519:25:155
111391220,0ptp4l0-21swapper/500:36:085
111391220,0ptp4l0-21swapper/500:20:125
111391220,0ptp4l0-21swapper/500:15:135
111391220,0ptp4l0-21swapper/500:15:135
111391220,0ptp4l0-21swapper/423:40:154
111391220,0ptp4l0-21swapper/423:35:114
111391220,0ptp4l0-21swapper/423:15:134
111391220,0ptp4l0-21swapper/423:05:204
111391220,0ptp4l0-21swapper/423:00:174
111391220,0ptp4l0-21swapper/422:57:584
111391220,0ptp4l0-21swapper/422:45:134
111391220,0ptp4l0-21swapper/422:25:194
111391220,0ptp4l0-21swapper/421:36:334
111391220,0ptp4l0-21swapper/421:36:324
111391220,0ptp4l0-21swapper/421:30:124
111391220,0ptp4l0-21swapper/421:25:164
111391220,0ptp4l0-21swapper/420:45:144
111391220,0ptp4l0-21swapper/420:20:124
111391220,0ptp4l0-21swapper/419:45:534
111391220,0ptp4l0-21swapper/419:40:214
111391220,0ptp4l0-21swapper/400:31:404
111391220,0ptp4l0-21swapper/400:20:194
111391220,0ptp4l0-21swapper/222:55:112
111391220,0ptp4l0-21swapper/222:40:192
111391220,0ptp4l0-21swapper/123:50:131
111391220,0ptp4l0-21swapper/123:45:151
111391220,0ptp4l0-21swapper/123:40:001
111391220,0ptp4l0-21swapper/122:50:131
111391220,0ptp4l0-21swapper/122:30:131
111391220,0ptp4l0-21swapper/122:00:141
111391220,0ptp4l0-21swapper/121:45:131
111391220,0ptp4l0-21swapper/120:40:211
111391220,0ptp4l0-21swapper/120:25:121
111391220,0ptp4l0-21swapper/120:05:191
111391220,0ptp4l0-21swapper/119:45:121
111391220,0ptp4l0-21swapper/119:40:111
111391220,0ptp4l0-21swapper/119:20:171
111391220,0ptp4l0-21swapper/100:36:571
111391220,0ptp4l0-21swapper/100:15:211
111391220,0ptp4l0-21swapper/100:15:211
111391220,0ptp4l0-21swapper/100:10:151
111391220,0ptp4l0-21swapper/023:55:140
111391220,0ptp4l0-21swapper/023:45:280
111391220,0ptp4l0-21swapper/023:15:140
111391220,0ptp4l0-21swapper/023:00:140
111391220,0ptp4l0-21swapper/022:45:140
111391220,0ptp4l0-21swapper/022:40:210
111391220,0ptp4l0-21swapper/021:45:210
111391220,0ptp4l0-21swapper/021:40:150
111391220,0ptp4l0-21swapper/021:30:010
111391220,0ptp4l0-21swapper/021:25:140
111391220,0ptp4l0-21swapper/020:15:210
111391220,0ptp4l0-21swapper/020:00:160
111391220,0ptp4l0-21swapper/019:35:130
111391220,0ptp4l0-21swapper/019:10:290
111391220,0ptp4l0-21swapper/000:35:140
111391220,0ptp4l0-21swapper/000:20:200
111391210,2ptp4l0-21swapper/019:43:380
111391210,0ptp4l0-21swapper/620:00:006
111391210,0ptp4l0-21swapper/619:10:156
111391210,0ptp4l0-21swapper/523:42:305
111391210,0ptp4l0-21swapper/523:15:015
111391210,0ptp4l0-21swapper/522:50:125
111391210,0ptp4l0-21swapper/522:35:195
111391210,0ptp4l0-21swapper/521:10:125
111391210,0ptp4l0-21swapper/520:22:245
111391210,0ptp4l0-21swapper/519:19:345
111391210,0ptp4l0-21swapper/500:05:015
111391210,0ptp4l0-21swapper/423:30:194
111391210,0ptp4l0-21swapper/423:20:144
111391210,0ptp4l0-21swapper/421:20:204
111391210,0ptp4l0-21swapper/420:29:334
111391210,0ptp4l0-21swapper/419:27:334
111391210,0ptp4l0-21swapper/400:15:014
111391210,0ptp4l0-21swapper/400:15:014
111391210,0ptp4l0-21swapper/400:00:124
111391210,0ptp4l0-21swapper/123:44:421
111391210,0ptp4l0-21swapper/123:33:001
111391210,0ptp4l0-21swapper/123:10:151
111391210,0ptp4l0-21swapper/123:00:171
111391210,0ptp4l0-21swapper/122:45:011
111391210,0ptp4l0-21swapper/122:39:551
111391210,0ptp4l0-21swapper/122:25:121
111391210,0ptp4l0-21swapper/121:20:131
111391210,0ptp4l0-21swapper/121:10:141
111391210,0ptp4l0-21swapper/121:05:191
111391210,0ptp4l0-21swapper/120:47:291
111391210,0ptp4l0-21swapper/120:31:321
111391210,0ptp4l0-21swapper/120:22:571
111391210,0ptp4l0-21swapper/119:37:141
111391210,0ptp4l0-21swapper/023:35:170
111391210,0ptp4l0-21swapper/023:10:140
111391210,0ptp4l0-21swapper/022:50:190
111391210,0ptp4l0-21swapper/022:25:180
111391210,0ptp4l0-21swapper/022:20:150
111391210,0ptp4l0-21swapper/021:50:000
111391210,0ptp4l0-21swapper/021:11:190
111391210,0ptp4l0-21swapper/021:05:140
111391210,0ptp4l0-21swapper/021:00:000
111391210,0ptp4l0-21swapper/020:35:130
111391210,0ptp4l0-21swapper/019:56:290
111391210,0ptp4l0-21swapper/000:00:100
111391200,2ptp4l0-21swapper/620:23:436
111391200,2ptp4l0-21swapper/123:55:101
111391200,2ptp4l0-21swapper/022:19:360
111391200,1ptp4l8067-21latency_hist00:05:011
111391200,0ptp4l0-21swapper/723:49:017
111391200,0ptp4l0-21swapper/721:04:057
111391200,0ptp4l0-21swapper/623:54:416
111391200,0ptp4l0-21swapper/600:39:566
111391200,0ptp4l0-21swapper/523:58:195
111391200,0ptp4l0-21swapper/521:45:145
111391200,0ptp4l0-21swapper/521:41:335
111391200,0ptp4l0-21swapper/521:25:195
111391200,0ptp4l0-21swapper/521:07:045
111391200,0ptp4l0-21swapper/520:15:405
111391200,0ptp4l0-21swapper/520:01:435
111391200,0ptp4l0-21swapper/519:36:335
111391200,0ptp4l0-21swapper/422:52:514
111391200,0ptp4l0-21swapper/422:30:234
111391200,0ptp4l0-21swapper/422:20:164
111391200,0ptp4l0-21swapper/422:03:334
111391200,0ptp4l0-21swapper/421:53:084
111391200,0ptp4l0-21swapper/420:57:294
111391200,0ptp4l0-21swapper/419:58:034
111391200,0ptp4l0-21swapper/320:42:333
111391200,0ptp4l0-21swapper/221:15:182
111391200,0ptp4l0-21swapper/220:56:552
111391200,0ptp4l0-21swapper/219:25:542
111391200,0ptp4l0-21swapper/123:27:041
111391200,0ptp4l0-21swapper/123:05:561
111391200,0ptp4l0-21swapper/122:56:241
111391200,0ptp4l0-21swapper/122:42:241
111391200,0ptp4l0-21swapper/121:50:151
111391200,0ptp4l0-21swapper/120:13:321
111391200,0ptp4l0-21swapper/100:28:361
111391200,0ptp4l0-21swapper/019:23:320
111391190,0ptp4l0-21swapper/720:42:297
111391190,0ptp4l0-21swapper/700:26:357
111391190,0ptp4l0-21swapper/623:21:576
111391190,0ptp4l0-21swapper/622:37:126
111391190,0ptp4l0-21swapper/622:05:556
111391190,0ptp4l0-21swapper/522:20:455
111391190,0ptp4l0-21swapper/521:56:555
111391190,0ptp4l0-21swapper/520:38:135
111391190,0ptp4l0-21swapper/519:44:325
111391190,0ptp4l0-21swapper/421:11:544
111391190,0ptp4l0-21swapper/419:21:324
111391190,0ptp4l0-21swapper/419:14:114
111391190,0ptp4l0-21swapper/321:03:323
111391190,0ptp4l0-21swapper/219:59:202
111391190,0ptp4l0-21swapper/219:37:452
111391190,0ptp4l0-21swapper/119:15:281
111391190,0ptp4l0-21swapper/100:05:521
111391190,0ptp4l0-21swapper/000:34:560
111391180,0ptp4l0-21swapper/723:58:557
111391180,0ptp4l0-21swapper/623:49:576
111391180,0ptp4l0-21swapper/523:36:585
111391180,0ptp4l0-21swapper/519:12:535
111391180,0ptp4l0-21swapper/419:51:564
111391180,0ptp4l0-21swapper/223:51:152
111391180,0ptp4l0-21swapper/222:05:532
111391180,0ptp4l0-21swapper/220:35:252
111391180,0ptp4l0-21swapper/122:20:551
111391180,0ptp4l0-21swapper/121:40:521
111391180,0ptp4l0-21swapper/121:19:401
111391180,0ptp4l0-21swapper/119:10:111
111391180,0ptp4l0-21swapper/000:18:310
111391180,0ptp4l0-21swapper/000:18:300
111391170,0ptp4l0-21swapper/422:05:484
111391170,0ptp4l0-21swapper/220:00:422
111391170,0ptp4l0-21swapper/123:16:391
111391170,0ptp4l0-21swapper/020:58:540
111391160,1ptp4l24718-21seq19:59:296
111391160,0ptp4l0-21swapper/622:55:146
111391160,0ptp4l0-21swapper/620:07:516
111391160,0ptp4l0-21swapper/523:06:445
111391160,0ptp4l0-21swapper/520:10:435
111391160,0ptp4l0-21swapper/422:19:124
111391160,0ptp4l0-21swapper/223:09:282
111391160,0ptp4l0-21swapper/221:11:412
111391160,0ptp4l0-21swapper/123:21:131
111391160,0ptp4l0-21swapper/120:15:321
111391160,0ptp4l0-21swapper/120:04:181
111391150,0ptp4l33-21ksoftirqd/219:10:152
111391150,0ptp4l0-21swapper/722:42:477
111391150,0ptp4l0-21swapper/721:17:547
111391150,0ptp4l0-21swapper/623:40:496
111391150,0ptp4l0-21swapper/623:38:086
111391150,0ptp4l0-21swapper/623:26:046
111391150,0ptp4l0-21swapper/623:09:246
111391150,0ptp4l0-21swapper/622:11:226
111391150,0ptp4l0-21swapper/621:54:456
111391150,0ptp4l0-21swapper/621:46:196
111391150,0ptp4l0-21swapper/621:43:036
111391150,0ptp4l0-21swapper/621:24:386
111391150,0ptp4l0-21swapper/621:11:446
111391150,0ptp4l0-21swapper/620:56:526
111391150,0ptp4l0-21swapper/620:35:256
111391150,0ptp4l0-21swapper/620:30:316
111391150,0ptp4l0-21swapper/619:37:486
111391150,0ptp4l0-21swapper/619:26:056
111391150,0ptp4l0-21swapper/600:27:406
111391150,0ptp4l0-21swapper/600:11:176
111391150,0ptp4l0-21swapper/523:25:545
111391150,0ptp4l0-21swapper/523:22:145
111391150,0ptp4l0-21swapper/522:56:135
111391150,0ptp4l0-21swapper/521:36:465
111391150,0ptp4l0-21swapper/521:36:455
111391150,0ptp4l0-21swapper/521:15:585
111391150,0ptp4l0-21swapper/520:43:075
111391150,0ptp4l0-21swapper/520:31:005
111391150,0ptp4l0-21swapper/519:31:025
111391150,0ptp4l0-21swapper/500:28:195
111391150,0ptp4l0-21swapper/500:01:175
111391150,0ptp4l0-21swapper/422:10:394
111391150,0ptp4l0-21swapper/420:51:104
111391150,0ptp4l0-21swapper/400:10:304
111391150,0ptp4l0-21swapper/323:58:513
111391150,0ptp4l0-21swapper/322:42:513
111391150,0ptp4l0-21swapper/321:46:313
111391150,0ptp4l0-21swapper/321:17:563
111391150,0ptp4l0-21swapper/300:26:353
111391150,0ptp4l0-21swapper/223:40:472
111391150,0ptp4l0-21swapper/223:38:082
111391150,0ptp4l0-21swapper/223:21:552
111391150,0ptp4l0-21swapper/223:19:522
111391150,0ptp4l0-21swapper/222:32:312
111391150,0ptp4l0-21swapper/222:04:442
111391150,0ptp4l0-21swapper/221:43:032
111391150,0ptp4l0-21swapper/221:24:362
111391150,0ptp4l0-21swapper/221:05:082
111391150,0ptp4l0-21swapper/221:04:562
111391150,0ptp4l0-21swapper/220:30:312
111391150,0ptp4l0-21swapper/220:21:002
111391150,0ptp4l0-21swapper/219:24:402
111391150,0ptp4l0-21swapper/219:17:402
111391150,0ptp4l0-21swapper/200:39:472
111391150,0ptp4l0-21swapper/200:23:072
111391150,0ptp4l0-21swapper/121:36:421
111391150,0ptp4l0-21swapper/121:36:411
111391150,0ptp4l0-21swapper/120:36:171
111391150,0ptp4l0-21swapper/119:30:541
111391150,0ptp4l0-21swapper/022:10:420
111391150,0ptp4l0-21swapper/022:05:010
111391150,0ptp4l0-21swapper/020:51:060
111391150,0ptp4l0-21swapper/019:50:330
111391150,0ptp4l0-21swapper/019:45:300
111391150,0ptp4l0-21swapper/000:10:270
1448991411,2cyclictest5970-21munin-run21:40:017
1448991411,2cyclictest5970-21munin-run21:40:007
111391140,0ptp4l0-21swapper/722:50:307
111391140,0ptp4l0-21swapper/721:46:337
111391140,0ptp4l0-21swapper/623:19:506
111391140,0ptp4l0-21swapper/623:03:386
111391140,0ptp4l0-21swapper/622:32:316
111391140,0ptp4l0-21swapper/622:04:446
111391140,0ptp4l0-21swapper/621:34:066
111391140,0ptp4l0-21swapper/619:40:556
111391140,0ptp4l0-21swapper/619:32:426
111391140,0ptp4l0-21swapper/619:24:396
111391140,0ptp4l0-21swapper/619:15:516
111391140,0ptp4l0-21swapper/600:34:266
111391140,0ptp4l0-21swapper/600:23:086
111391140,0ptp4l0-21swapper/600:07:496
111391140,0ptp4l0-21swapper/322:50:283
111391140,0ptp4l0-21swapper/223:57:572
111391140,0ptp4l0-21swapper/223:49:492
111391140,0ptp4l0-21swapper/223:03:382
111391140,0ptp4l0-21swapper/222:37:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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