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2026-07-05 - 11:21

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 Jul 05, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391680,31ptp4l0-21swapper/019:05:130
121042620,1sleep6641ktimersoftd/600:04:106
100362620,1sleep233-21ksoftirqd/222:35:392
71922610,0sleep00-21swapper/021:50:190
111391600,5ptp4l0-21swapper/519:05:035
1881915835,6phc2sys0-21swapper/419:08:474
1547525848,6sleep20-21swapper/219:09:142
79092570,0sleep30-21swapper/322:35:003
1529025331,7sleep70-21swapper/719:06:557
1548325140,7sleep10-21swapper/119:09:211
1542424937,7sleep60-21swapper/619:08:386
1521824635,7sleep30-21swapper/319:06:033
111391320,0ptp4l0-21swapper/023:49:220
111391320,0ptp4l0-21swapper/020:25:000
111391310,0ptp4l0-21swapper/523:18:595
111391310,0ptp4l0-21swapper/420:50:144
111391310,0ptp4l0-21swapper/400:12:054
111391310,0ptp4l0-21swapper/400:12:044
111391300,0ptp4l0-21swapper/422:45:354
111391300,0ptp4l0-21swapper/421:50:054
111391300,0ptp4l0-21swapper/421:29:204
111391300,0ptp4l0-21swapper/400:09:034
111391300,0ptp4l0-21swapper/023:38:240
111391300,0ptp4l0-21swapper/021:12:000
111391290,0ptp4l0-21swapper/423:26:084
111391290,0ptp4l0-21swapper/422:02:524
111391290,0ptp4l0-21swapper/100:05:401
111391290,0ptp4l0-21swapper/023:22:270
111391290,0ptp4l0-21swapper/023:18:120
111391290,0ptp4l0-21swapper/022:08:550
111391290,0ptp4l0-21swapper/022:04:230
111391290,0ptp4l0-21swapper/019:35:120
111391290,0ptp4l0-21swapper/000:28:410
111391280,0ptp4l0-21swapper/523:57:305
111391280,0ptp4l0-21swapper/522:56:505
111391280,0ptp4l0-21swapper/423:39:084
111391280,0ptp4l0-21swapper/422:55:484
111391280,0ptp4l0-21swapper/421:41:134
111391280,0ptp4l0-21swapper/023:32:580
111391280,0ptp4l0-21swapper/021:55:200
111391280,0ptp4l0-21swapper/019:35:010
111391280,0ptp4l0-21swapper/000:34:510
111391280,0ptp4l0-21swapper/000:23:240
111391270,0ptp4l0-21swapper/522:12:475
111391270,0ptp4l0-21swapper/500:15:305
111391270,0ptp4l0-21swapper/500:12:545
111391270,0ptp4l0-21swapper/500:12:545
111391270,0ptp4l0-21swapper/423:14:224
111391270,0ptp4l0-21swapper/422:43:334
111391270,0ptp4l0-21swapper/422:09:384
111391270,0ptp4l0-21swapper/421:17:494
111391270,0ptp4l0-21swapper/123:07:161
111391270,0ptp4l0-21swapper/122:51:211
111391270,0ptp4l0-21swapper/122:36:091
111391270,0ptp4l0-21swapper/122:15:011
111391270,0ptp4l0-21swapper/119:25:111
111391270,0ptp4l0-21swapper/023:41:340
111391270,0ptp4l0-21swapper/023:00:190
111391270,0ptp4l0-21swapper/022:46:050
111391270,0ptp4l0-21swapper/022:43:290
111391270,0ptp4l0-21swapper/022:31:130
111391270,0ptp4l0-21swapper/022:17:570
111391270,0ptp4l0-21swapper/000:39:110
111391270,0ptp4l0-21swapper/000:01:160
111391260,0ptp4l0-21swapper/522:49:215
111391260,0ptp4l0-21swapper/423:40:154
111391260,0ptp4l0-21swapper/423:33:204
111391260,0ptp4l0-21swapper/423:06:354
111391260,0ptp4l0-21swapper/422:25:284
111391260,0ptp4l0-21swapper/420:42:074
111391260,0ptp4l0-21swapper/419:45:114
111391260,0ptp4l0-21swapper/419:15:134
111391260,0ptp4l0-21swapper/400:17:344
111391260,0ptp4l0-21swapper/122:21:211
111391260,0ptp4l0-21swapper/121:58:041
111391260,0ptp4l0-21swapper/121:10:271
111391260,0ptp4l0-21swapper/100:23:551
111391260,0ptp4l0-21swapper/023:52:090
111391260,0ptp4l0-21swapper/023:13:560
111391260,0ptp4l0-21swapper/023:06:250
111391260,0ptp4l0-21swapper/021:49:470
111391260,0ptp4l0-21swapper/021:28:250
111391260,0ptp4l0-21swapper/000:11:310
111391260,0ptp4l0-21swapper/000:11:300
111391250,0ptp4l0-21swapper/523:37:225
111391250,0ptp4l0-21swapper/523:20:185
111391250,0ptp4l0-21swapper/522:50:535
111391250,0ptp4l0-21swapper/500:29:155
111391250,0ptp4l0-21swapper/423:21:334
111391250,0ptp4l0-21swapper/423:15:444
111391250,0ptp4l0-21swapper/423:03:494
111391250,0ptp4l0-21swapper/422:30:174
111391250,0ptp4l0-21swapper/422:15:184
111391250,0ptp4l0-21swapper/122:55:031
111391250,0ptp4l0-21swapper/121:25:001
111391250,0ptp4l0-21swapper/119:40:021
111391250,0ptp4l0-21swapper/100:30:131
111391250,0ptp4l0-21swapper/100:18:401
111391250,0ptp4l0-21swapper/100:12:431
111391250,0ptp4l0-21swapper/100:12:431
111391250,0ptp4l0-21swapper/023:25:230
111391250,0ptp4l0-21swapper/022:51:570
111391250,0ptp4l0-21swapper/021:39:390
111391250,0ptp4l0-21swapper/021:39:380
111391250,0ptp4l0-21swapper/021:30:190
111391240,1ptp4l9990-21ps20:05:141
111391240,1ptp4l29268-21cpuspeed_turbos22:20:114
111391240,1ptp4l28203-21kernelversion00:25:161
111391240,1ptp4l19801-21switchtime20:25:184
111391240,1ptp4l1634-21fw_conntrack23:50:124
111391240,0ptp4l0-21swapper/523:32:415
111391240,0ptp4l0-21swapper/522:21:405
111391240,0ptp4l0-21swapper/500:07:395
111391240,0ptp4l0-21swapper/423:55:544
111391240,0ptp4l0-21swapper/421:30:524
111391240,0ptp4l0-21swapper/421:20:354
111391240,0ptp4l0-21swapper/421:04:374
111391240,0ptp4l0-21swapper/419:50:154
111391240,0ptp4l0-21swapper/400:20:144
111391240,0ptp4l0-21swapper/200:19:222
111391240,0ptp4l0-21swapper/123:45:511
111391240,0ptp4l0-21swapper/121:42:141
111391240,0ptp4l0-21swapper/022:55:490
111391240,0ptp4l0-21swapper/022:39:560
111391240,0ptp4l0-21swapper/022:25:190
111391240,0ptp4l0-21swapper/021:43:540
111391240,0ptp4l0-21swapper/020:00:160
111391240,0ptp4l0-21swapper/019:30:000
111391230,4ptp4l0-21swapper/122:41:421
111391230,2ptp4l121rcu_preempt23:18:511
111391230,2ptp4l0-21swapper/023:59:440
111391230,1ptp4l999-21phc2sys-jitter20:55:181
111391230,1ptp4l5558-21latency19:55:160
111391230,1ptp4l26792-21tr21:35:114
111391230,1ptp4l26792-21tr21:35:104
111391230,1ptp4l26532-21proc_pri20:40:165
111391230,1ptp4l22101-21missed_timers22:10:164
111391230,1ptp4l2157-21latency_hist21:00:004
111391230,0ptp4l6565-21diskmemload21:11:045
111391230,0ptp4l29286-21find19:35:194
111391230,0ptp4l0-21swapper/600:25:186
111391230,0ptp4l0-21swapper/523:54:555
111391230,0ptp4l0-21swapper/523:45:135
111391230,0ptp4l0-21swapper/522:05:205
111391230,0ptp4l0-21swapper/521:53:305
111391230,0ptp4l0-21swapper/521:42:095
111391230,0ptp4l0-21swapper/521:34:185
111391230,0ptp4l0-21swapper/521:10:015
111391230,0ptp4l0-21swapper/520:55:185
111391230,0ptp4l0-21swapper/520:45:125
111391230,0ptp4l0-21swapper/520:10:185
111391230,0ptp4l0-21swapper/520:04:595
111391230,0ptp4l0-21swapper/500:30:175
111391230,0ptp4l0-21swapper/422:50:234
111391230,0ptp4l0-21swapper/421:55:104
111391230,0ptp4l0-21swapper/421:45:154
111391230,0ptp4l0-21swapper/421:10:184
111391230,0ptp4l0-21swapper/421:05:184
111391230,0ptp4l0-21swapper/420:35:164
111391230,0ptp4l0-21swapper/420:15:004
111391230,0ptp4l0-21swapper/419:55:154
111391230,0ptp4l0-21swapper/419:30:144
111391230,0ptp4l0-21swapper/419:25:164
111391230,0ptp4l0-21swapper/419:20:134
111391230,0ptp4l0-21swapper/400:31:384
111391230,0ptp4l0-21swapper/400:29:294
111391230,0ptp4l0-21swapper/400:00:154
111391230,0ptp4l0-21swapper/223:55:132
111391230,0ptp4l0-21swapper/221:35:142
111391230,0ptp4l0-21swapper/221:35:132
111391230,0ptp4l0-21swapper/220:30:222
111391230,0ptp4l0-21swapper/123:34:271
111391230,0ptp4l0-21swapper/122:30:211
111391230,0ptp4l0-21swapper/122:17:021
111391230,0ptp4l0-21swapper/122:05:181
111391230,0ptp4l0-21swapper/122:03:061
111391230,0ptp4l0-21swapper/121:27:091
111391230,0ptp4l0-21swapper/120:40:141
111391230,0ptp4l0-21swapper/100:37:481
111391230,0ptp4l0-21swapper/100:02:441
111391230,0ptp4l0-21swapper/022:20:000
111391230,0ptp4l0-21swapper/021:16:240
111391230,0ptp4l0-21swapper/020:50:130
111391230,0ptp4l0-21swapper/019:50:200
111391230,0ptp4l0-21swapper/019:10:170
111391230,0ptp4l0-21swapper/000:05:180
111391220,1ptp4l7665-21ssh23:57:581
111391220,0ptp4l0-21swapper/722:10:397
111391220,0ptp4l0-21swapper/623:55:156
111391220,0ptp4l0-21swapper/622:02:076
111391220,0ptp4l0-21swapper/621:35:136
111391220,0ptp4l0-21swapper/621:35:136
111391220,0ptp4l0-21swapper/620:30:176
111391220,0ptp4l0-21swapper/600:24:206
111391220,0ptp4l0-21swapper/523:40:555
111391220,0ptp4l0-21swapper/523:10:015
111391220,0ptp4l0-21swapper/523:06:385
111391220,0ptp4l0-21swapper/523:04:455
111391220,0ptp4l0-21swapper/522:41:265
111391220,0ptp4l0-21swapper/522:30:215
111391220,0ptp4l0-21swapper/522:16:375
111391220,0ptp4l0-21swapper/522:00:435
111391220,0ptp4l0-21swapper/521:57:145
111391220,0ptp4l0-21swapper/521:45:475
111391220,0ptp4l0-21swapper/521:35:045
111391220,0ptp4l0-21swapper/521:35:035
111391220,0ptp4l0-21swapper/521:26:585
111391220,0ptp4l0-21swapper/520:07:455
111391220,0ptp4l0-21swapper/519:50:125
111391220,0ptp4l0-21swapper/519:40:125
111391220,0ptp4l0-21swapper/519:25:135
111391220,0ptp4l0-21swapper/500:37:395
111391220,0ptp4l0-21swapper/500:02:465
111391220,0ptp4l0-21swapper/423:46:524
111391220,0ptp4l0-21swapper/422:35:124
111391220,0ptp4l0-21swapper/420:20:204
111391220,0ptp4l0-21swapper/420:15:124
111391220,0ptp4l0-21swapper/420:01:064
111391220,0ptp4l0-21swapper/419:10:104
111391220,0ptp4l0-21swapper/400:35:144
111391220,0ptp4l0-21swapper/222:30:242
111391220,0ptp4l0-21swapper/221:50:312
111391220,0ptp4l0-21swapper/221:32:232
111391220,0ptp4l0-21swapper/221:28:532
111391220,0ptp4l0-21swapper/221:14:442
111391220,0ptp4l0-21swapper/219:50:142
111391220,0ptp4l0-21swapper/200:37:092
111391220,0ptp4l0-21swapper/200:25:162
111391220,0ptp4l0-21swapper/200:00:492
111391220,0ptp4l0-21swapper/123:52:341
111391220,0ptp4l0-21swapper/123:40:311
111391220,0ptp4l0-21swapper/123:37:061
111391220,0ptp4l0-21swapper/123:11:221
111391220,0ptp4l0-21swapper/123:04:291
111391220,0ptp4l0-21swapper/122:49:381
111391220,0ptp4l0-21swapper/121:53:491
111391220,0ptp4l0-21swapper/121:45:451
111391220,0ptp4l0-21swapper/121:35:311
111391220,0ptp4l0-21swapper/121:35:311
111391220,0ptp4l0-21swapper/121:34:081
111391220,0ptp4l0-21swapper/120:45:121
111391220,0ptp4l0-21swapper/120:30:151
111391220,0ptp4l0-21swapper/120:10:151
111391220,0ptp4l0-21swapper/119:50:111
111391220,0ptp4l0-21swapper/022:10:150
111391220,0ptp4l0-21swapper/021:20:040
111391220,0ptp4l0-21swapper/020:35:150
111391220,0ptp4l0-21swapper/020:25:160
111391220,0ptp4l0-21swapper/020:15:100
111391220,0ptp4l0-21swapper/019:44:410
111391220,0ptp4l0-21swapper/019:20:180
111391220,0ptp4l0-21swapper/000:15:160
111391210,0ptp4l0-21swapper/721:54:537
111391210,0ptp4l0-21swapper/623:02:166
111391210,0ptp4l0-21swapper/622:55:136
111391210,0ptp4l0-21swapper/622:51:356
111391210,0ptp4l0-21swapper/622:40:436
111391210,0ptp4l0-21swapper/622:30:086
111391210,0ptp4l0-21swapper/622:08:106
111391210,0ptp4l0-21swapper/621:46:546
111391210,0ptp4l0-21swapper/621:10:096
111391210,0ptp4l0-21swapper/620:45:166
111391210,0ptp4l0-21swapper/619:50:146
111391210,0ptp4l0-21swapper/523:26:355
111391210,0ptp4l0-21swapper/522:36:105
111391210,0ptp4l0-21swapper/521:16:555
111391210,0ptp4l0-21swapper/520:36:075
111391210,0ptp4l0-21swapper/520:31:135
111391210,0ptp4l0-21swapper/420:48:024
111391210,0ptp4l0-21swapper/321:54:443
111391210,0ptp4l0-21swapper/223:37:232
111391210,0ptp4l0-21swapper/223:18:002
111391210,0ptp4l0-21swapper/223:12:482
111391210,0ptp4l0-21swapper/223:07:382
111391210,0ptp4l0-21swapper/223:02:142
111391210,0ptp4l0-21swapper/222:55:412
111391210,0ptp4l0-21swapper/222:51:322
111391210,0ptp4l0-21swapper/222:41:052
111391210,0ptp4l0-21swapper/220:45:132
111391210,0ptp4l0-21swapper/200:24:212
111391210,0ptp4l0-21swapper/123:20:091
111391210,0ptp4l0-21swapper/121:18:281
111391210,0ptp4l0-21swapper/121:09:041
111391210,0ptp4l0-21swapper/120:20:011
111391210,0ptp4l0-21swapper/021:05:150
111391210,0ptp4l0-21swapper/021:00:170
111391210,0ptp4l0-21swapper/019:15:110
111391200,0ptp4l25-21ksoftirqd/120:35:191
111391200,0ptp4l0-21swapper/700:31:507
111391200,0ptp4l0-21swapper/623:48:546
111391200,0ptp4l0-21swapper/623:17:576
111391200,0ptp4l0-21swapper/623:13:396
111391200,0ptp4l0-21swapper/623:09:116
111391200,0ptp4l0-21swapper/622:48:256
111391200,0ptp4l0-21swapper/622:38:006
111391200,0ptp4l0-21swapper/621:50:336
111391200,0ptp4l0-21swapper/621:27:366
111391200,0ptp4l0-21swapper/620:37:396
111391200,0ptp4l0-21swapper/620:27:296
111391200,0ptp4l0-21swapper/600:05:456
111391200,0ptp4l0-21swapper/522:30:015
111391200,0ptp4l0-21swapper/521:21:355
111391200,0ptp4l0-21swapper/520:53:205
111391200,0ptp4l0-21swapper/519:56:575
111391200,0ptp4l0-21swapper/519:46:545
111391200,0ptp4l0-21swapper/519:33:475
111391200,0ptp4l0-21swapper/500:20:295
111391200,0ptp4l0-21swapper/419:42:444
111391200,0ptp4l0-21swapper/222:15:402
111391200,0ptp4l0-21swapper/222:08:082
111391200,0ptp4l0-21swapper/221:58:302
111391200,0ptp4l0-21swapper/221:21:402
111391200,0ptp4l0-21swapper/200:05:462
111391200,0ptp4l0-21swapper/123:26:341
111391200,0ptp4l0-21swapper/120:54:551
111391200,0ptp4l0-21swapper/119:21:441
111391200,0ptp4l0-21swapper/119:17:161
111391200,0ptp4l0-21swapper/020:48:440
111391200,0ptp4l0-21swapper/020:41:500
111391200,0ptp4l0-21swapper/020:30:400
111391200,0ptp4l0-21swapper/019:45:200
111391190,3ptp4l0-21swapper/120:01:521
111391190,1ptp4l4068-21ssh23:53:202
111391190,0ptp4l0-21swapper/600:39:516
111391190,0ptp4l0-21swapper/600:19:256
111391190,0ptp4l0-21swapper/519:23:035
111391190,0ptp4l0-21swapper/420:30:134
111391190,0ptp4l0-21swapper/223:22:592
111391190,0ptp4l0-21swapper/222:29:502
111391190,0ptp4l0-21swapper/222:13:282
111391190,0ptp4l0-21swapper/221:49:572
111391190,0ptp4l0-21swapper/221:04:442
111391190,0ptp4l0-21swapper/219:10:342
111391180,0ptp4l0-21swapper/622:29:496
111391180,0ptp4l0-21swapper/622:15:406
111391180,0ptp4l0-21swapper/519:17:255
111391180,0ptp4l0-21swapper/519:13:435
111391180,0ptp4l0-21swapper/300:31:493
111391180,0ptp4l0-21swapper/222:02:052
111391180,0ptp4l0-21swapper/219:30:222
111391180,0ptp4l0-21swapper/020:14:380
111391180,0ptp4l0-21swapper/020:09:310
111391170,1ptp4l367-21ssh23:48:552
111391170,0ptp4l0-21swapper/720:37:567
111391170,0ptp4l0-21swapper/520:15:205
111391170,0ptp4l0-21swapper/420:09:504
111391170,0ptp4l0-21swapper/322:10:363
111391160,0ptp4l0-21swapper/623:23:006
111391160,0ptp4l0-21swapper/619:42:286
111391160,0ptp4l0-21swapper/520:25:555
111391160,0ptp4l0-21swapper/520:21:465
111391160,0ptp4l0-21swapper/519:39:305
111391160,0ptp4l0-21swapper/122:29:591
111391160,0ptp4l0-21swapper/121:00:251
111391160,0ptp4l0-21swapper/120:25:251
111391160,0ptp4l0-21swapper/120:19:461
111391150,1ptp4l65-21ksoftirqd/619:55:556
111391150,0ptp4l0-21swapper/721:06:307
111391150,0ptp4l0-21swapper/721:00:367
111391150,0ptp4l0-21swapper/622:13:266
111391150,0ptp4l0-21swapper/621:33:406
111391150,0ptp4l0-21swapper/621:21:416
111391150,0ptp4l0-21swapper/621:04:436
111391150,0ptp4l0-21swapper/620:54:256
111391150,0ptp4l0-21swapper/619:35:286
111391150,0ptp4l0-21swapper/619:27:016
111391150,0ptp4l0-21swapper/619:10:326
111391150,0ptp4l0-21swapper/521:00:295
111391150,0ptp4l0-21swapper/321:00:313
111391150,0ptp4l0-21swapper/320:37:543
111391150,0ptp4l0-21swapper/300:18:473
111391150,0ptp4l0-21swapper/222:48:232
111391150,0ptp4l0-21swapper/221:42:492
111391150,0ptp4l0-21swapper/220:37:402
111391150,0ptp4l0-21swapper/219:55:542
111391150,0ptp4l0-21swapper/219:47:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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