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2025-12-19 - 03:21

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 Fri Dec 19, 2025 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,5ptp4l0-21swapper/119:06:321
111391620,5ptp4l0-21swapper/219:09:442
111391620,31ptp4l0-21swapper/019:09:480
1881916139,6phc2sys0-21swapper/419:07:584
111391610,5ptp4l0-21swapper/519:06:485
111391520,2ptp4l0-21swapper/619:05:036
3120624938,6sleep70-21swapper/719:07:007
3126824635,7sleep30-21swapper/319:07:443
111391370,0ptp4l0-21swapper/419:10:144
111391350,0ptp4l0-21swapper/420:35:004
111391350,0ptp4l0-21swapper/020:50:190
111391350,0ptp4l0-21swapper/020:50:180
111391330,0ptp4l0-21swapper/422:55:224
111391320,1ptp4l10310-21munin-run00:15:004
111391300,3ptp4l0-21swapper/423:45:134
111391300,0ptp4l0-21swapper/522:20:195
111391290,0ptp4l0-21swapper/420:00:214
111391290,0ptp4l0-21swapper/019:55:180
111391280,0ptp4l0-21swapper/422:10:124
111391270,0ptp4l0-21swapper/419:15:174
111391260,0ptp4l0-21swapper/423:35:174
111391260,0ptp4l0-21swapper/419:25:124
111391250,0ptp4l0-21swapper/523:55:185
111391250,0ptp4l0-21swapper/422:25:164
111391250,0ptp4l0-21swapper/420:50:144
111391250,0ptp4l0-21swapper/420:50:134
111391250,0ptp4l0-21swapper/021:40:200
111391250,0ptp4l0-21swapper/021:25:140
111391240,1ptp4l32708-21memory19:10:160
111391240,1ptp4l25551-21irqstats22:25:150
111391240,1ptp4l2226-21df21:35:135
111391240,1ptp4l20620-21fw_forwarded_lo22:15:130
111391240,1ptp4l17072-21timerwakeupswit22:05:204
111391240,1ptp4l15202-21sed23:15:000
111391240,0ptp4l0-21swapper/519:15:115
111391240,0ptp4l0-21swapper/422:40:214
111391240,0ptp4l0-21swapper/421:15:134
111391240,0ptp4l0-21swapper/320:15:173
111391240,0ptp4l0-21swapper/221:05:132
111391240,0ptp4l0-21swapper/123:55:111
111391240,0ptp4l0-21swapper/023:35:120
111391240,0ptp4l0-21swapper/019:25:150
111391240,0ptp4l0-21swapper/000:30:180
111391230,1ptp4l4688-21date00:00:194
111391230,1ptp4l27500-21fw_forwarded_lo22:30:146
111391230,1ptp4l16718-21grep23:15:204
111391230,1ptp4l13581-21latency_hist19:40:011
111391230,1ptp4l11307-21if_enp0s2523:05:150
111391230,0ptp4l0-21swapper/719:35:167
111391230,0ptp4l0-21swapper/622:45:176
111391230,0ptp4l0-21swapper/521:06:495
111391230,0ptp4l0-21swapper/520:43:435
111391230,0ptp4l0-21swapper/500:25:145
111391230,0ptp4l0-21swapper/423:40:174
111391230,0ptp4l0-21swapper/423:30:214
111391230,0ptp4l0-21swapper/423:30:204
111391230,0ptp4l0-21swapper/423:00:174
111391230,0ptp4l0-21swapper/422:50:204
111391230,0ptp4l0-21swapper/421:50:134
111391230,0ptp4l0-21swapper/421:05:164
111391230,0ptp4l0-21swapper/420:55:174
111391230,0ptp4l0-21swapper/420:25:164
111391230,0ptp4l0-21swapper/419:50:144
111391230,0ptp4l0-21swapper/400:35:194
111391230,0ptp4l0-21swapper/123:45:111
111391230,0ptp4l0-21swapper/122:30:171
111391230,0ptp4l0-21swapper/122:20:171
111391230,0ptp4l0-21swapper/120:20:151
111391230,0ptp4l0-21swapper/119:45:001
111391230,0ptp4l0-21swapper/100:25:121
111391230,0ptp4l0-21swapper/100:10:001
111391230,0ptp4l0-21swapper/023:45:140
111391230,0ptp4l0-21swapper/022:55:200
111391230,0ptp4l0-21swapper/022:20:200
111391230,0ptp4l0-21swapper/021:50:130
111391230,0ptp4l0-21swapper/021:45:130
111391230,0ptp4l0-21swapper/021:00:190
111391230,0ptp4l0-21swapper/020:25:160
111391230,0ptp4l0-21swapper/000:35:150
111391230,0ptp4l0-21swapper/000:00:490
111391220,0ptp4l0-21swapper/720:15:147
111391220,0ptp4l0-21swapper/621:05:156
111391220,0ptp4l0-21swapper/523:30:405
111391220,0ptp4l0-21swapper/523:30:395
111391220,0ptp4l0-21swapper/522:40:005
111391220,0ptp4l0-21swapper/522:06:205
111391220,0ptp4l0-21swapper/521:20:215
111391220,0ptp4l0-21swapper/520:45:125
111391220,0ptp4l0-21swapper/520:20:145
111391220,0ptp4l0-21swapper/519:56:075
111391220,0ptp4l0-21swapper/519:45:015
111391220,0ptp4l0-21swapper/519:43:475
111391220,0ptp4l0-21swapper/500:20:215
111391220,0ptp4l0-21swapper/500:10:145
111391220,0ptp4l0-21swapper/423:20:214
111391220,0ptp4l0-21swapper/423:10:144
111391220,0ptp4l0-21swapper/422:49:314
111391220,0ptp4l0-21swapper/422:20:164
111391220,0ptp4l0-21swapper/422:15:114
111391220,0ptp4l0-21swapper/422:00:014
111391220,0ptp4l0-21swapper/421:55:154
111391220,0ptp4l0-21swapper/421:40:204
111391220,0ptp4l0-21swapper/421:35:224
111391220,0ptp4l0-21swapper/421:30:134
111391220,0ptp4l0-21swapper/421:20:134
111391220,0ptp4l0-21swapper/421:10:214
111391220,0ptp4l0-21swapper/421:00:154
111391220,0ptp4l0-21swapper/420:45:204
111391220,0ptp4l0-21swapper/420:40:154
111391220,0ptp4l0-21swapper/420:35:194
111391220,0ptp4l0-21swapper/420:20:224
111391220,0ptp4l0-21swapper/420:05:214
111391220,0ptp4l0-21swapper/419:55:124
111391220,0ptp4l0-21swapper/419:45:154
111391220,0ptp4l0-21swapper/419:30:134
111391220,0ptp4l0-21swapper/419:20:094
111391220,0ptp4l0-21swapper/400:30:134
111391220,0ptp4l0-21swapper/400:26:444
111391220,0ptp4l0-21swapper/400:05:184
111391220,0ptp4l0-21swapper/322:35:143
111391220,0ptp4l0-21swapper/319:35:123
111391220,0ptp4l0-21swapper/222:30:152
111391220,0ptp4l0-21swapper/122:45:111
111391220,0ptp4l0-21swapper/122:40:001
111391220,0ptp4l0-21swapper/121:55:191
111391220,0ptp4l0-21swapper/121:45:121
111391220,0ptp4l0-21swapper/121:35:201
111391220,0ptp4l0-21swapper/120:45:171
111391220,0ptp4l0-21swapper/120:30:131
111391220,0ptp4l0-21swapper/120:10:131
111391220,0ptp4l0-21swapper/119:55:211
111391220,0ptp4l0-21swapper/119:15:011
111391220,0ptp4l0-21swapper/100:23:181
111391220,0ptp4l0-21swapper/023:40:140
111391220,0ptp4l0-21swapper/023:30:170
111391220,0ptp4l0-21swapper/023:30:160
111391220,0ptp4l0-21swapper/023:15:160
111391220,0ptp4l0-21swapper/022:50:110
111391220,0ptp4l0-21swapper/022:45:200
111391220,0ptp4l0-21swapper/022:32:420
111391220,0ptp4l0-21swapper/022:10:130
111391220,0ptp4l0-21swapper/022:05:140
111391220,0ptp4l0-21swapper/022:00:160
111391220,0ptp4l0-21swapper/021:55:000
111391220,0ptp4l0-21swapper/021:30:120
111391220,0ptp4l0-21swapper/021:25:000
111391220,0ptp4l0-21swapper/021:15:120
111391220,0ptp4l0-21swapper/021:05:180
111391220,0ptp4l0-21swapper/020:45:190
111391220,0ptp4l0-21swapper/020:35:130
111391220,0ptp4l0-21swapper/020:00:120
111391220,0ptp4l0-21swapper/019:50:220
111391220,0ptp4l0-21swapper/019:45:130
111391220,0ptp4l0-21swapper/019:40:170
111391220,0ptp4l0-21swapper/019:20:000
111391220,0ptp4l0-21swapper/019:15:180
111391220,0ptp4l0-21swapper/000:15:140
111391220,0ptp4l0-21swapper/000:10:210
111391220,0ptp4l0-21swapper/000:05:160
111391210,0ptp4l13284-21hddtemp_smartct00:20:134
111391210,0ptp4l0-21swapper/722:35:177
111391210,0ptp4l0-21swapper/720:21:597
111391210,0ptp4l0-21swapper/620:27:236
111391210,0ptp4l0-21swapper/600:14:076
111391210,0ptp4l0-21swapper/522:45:135
111391210,0ptp4l0-21swapper/522:30:215
111391210,0ptp4l0-21swapper/521:51:035
111391210,0ptp4l0-21swapper/521:02:275
111391210,0ptp4l0-21swapper/520:59:215
111391210,0ptp4l0-21swapper/520:10:155
111391210,0ptp4l0-21swapper/520:03:445
111391210,0ptp4l0-21swapper/500:39:395
111391210,0ptp4l0-21swapper/500:33:055
111391210,0ptp4l0-21swapper/500:02:015
111391210,0ptp4l0-21swapper/423:50:204
111391210,0ptp4l0-21swapper/423:25:154
111391210,0ptp4l0-21swapper/423:05:144
111391210,0ptp4l0-21swapper/421:45:164
111391210,0ptp4l0-21swapper/421:25:134
111391210,0ptp4l0-21swapper/420:18:224
111391210,0ptp4l0-21swapper/420:12:214
111391210,0ptp4l0-21swapper/419:40:164
111391210,0ptp4l0-21swapper/400:15:184
111391210,0ptp4l0-21swapper/123:38:421
111391210,0ptp4l0-21swapper/121:20:181
111391210,0ptp4l0-21swapper/121:05:071
111391210,0ptp4l0-21swapper/121:00:011
111391210,0ptp4l0-21swapper/120:55:231
111391210,0ptp4l0-21swapper/120:04:191
111391210,0ptp4l0-21swapper/119:54:191
111391210,0ptp4l0-21swapper/119:13:241
111391210,0ptp4l0-21swapper/100:36:311
111391210,0ptp4l0-21swapper/023:56:060
111391210,0ptp4l0-21swapper/023:50:120
111391210,0ptp4l0-21swapper/023:29:550
111391210,0ptp4l0-21swapper/023:20:150
111391210,0ptp4l0-21swapper/022:40:130
111391210,0ptp4l0-21swapper/020:55:150
111391210,0ptp4l0-21swapper/020:30:180
111391210,0ptp4l0-21swapper/020:20:210
111391210,0ptp4l0-21swapper/020:18:190
111391210,0ptp4l0-21swapper/020:12:370
111391210,0ptp4l0-21swapper/019:38:220
111391210,0ptp4l0-21swapper/019:30:140
111391200,0ptp4l0-21swapper/623:16:586
111391200,0ptp4l0-21swapper/622:56:066
111391200,0ptp4l0-21swapper/621:43:566
111391200,0ptp4l0-21swapper/620:40:036
111391200,0ptp4l0-21swapper/523:52:145
111391200,0ptp4l0-21swapper/523:42:305
111391200,0ptp4l0-21swapper/522:26:235
111391200,0ptp4l0-21swapper/521:55:215
111391200,0ptp4l0-21swapper/521:41:485
111391200,0ptp4l0-21swapper/520:27:455
111391200,0ptp4l0-21swapper/520:07:135
111391200,0ptp4l0-21swapper/519:52:115
111391200,0ptp4l0-21swapper/320:22:083
111391200,0ptp4l0-21swapper/123:09:131
111391200,0ptp4l0-21swapper/122:57:511
111391200,0ptp4l0-21swapper/122:27:141
111391200,0ptp4l0-21swapper/122:06:181
111391200,0ptp4l0-21swapper/121:31:051
111391200,0ptp4l0-21swapper/121:28:001
111391200,0ptp4l0-21swapper/121:17:551
111391200,0ptp4l0-21swapper/120:44:051
111391200,0ptp4l0-21swapper/120:05:111
111391200,0ptp4l0-21swapper/119:45:111
111391200,0ptp4l0-21swapper/119:21:591
111391200,0ptp4l0-21swapper/100:30:181
111391200,0ptp4l0-21swapper/100:11:221
111391200,0ptp4l0-21swapper/100:02:031
111391200,0ptp4l0-21swapper/023:00:160
111391200,0ptp4l0-21swapper/021:10:530
111391200,0ptp4l0-21swapper/000:27:040
111391190,3ptp4l0-21swapper/621:13:396
111391190,0ptp4l0-21swapper/720:37:047
111391190,0ptp4l0-21swapper/700:09:567
111391190,0ptp4l0-21swapper/523:11:065
111391190,0ptp4l0-21swapper/522:39:175
111391190,0ptp4l0-21swapper/521:12:535
111391190,0ptp4l0-21swapper/520:30:125
111391190,0ptp4l0-21swapper/519:35:035
111391190,0ptp4l0-21swapper/422:32:324
111391190,0ptp4l0-21swapper/419:38:104
111391190,0ptp4l0-21swapper/323:04:153
111391190,0ptp4l0-21swapper/223:58:132
111391190,0ptp4l0-21swapper/222:45:162
111391190,0ptp4l0-21swapper/200:38:132
111391190,0ptp4l0-21swapper/200:14:022
111391190,0ptp4l0-21swapper/123:12:271
111391190,0ptp4l0-21swapper/123:02:141
111391190,0ptp4l0-21swapper/122:44:561
111391190,0ptp4l0-21swapper/122:02:051
111391190,0ptp4l0-21swapper/121:14:051
111391190,0ptp4l0-21swapper/021:36:050
111391190,0ptp4l0-21swapper/020:40:160
111391190,0ptp4l0-21swapper/020:05:170
111391190,0ptp4l0-21swapper/000:20:110
111391180,0ptp4l0-21swapper/523:24:125
111391180,0ptp4l0-21swapper/523:03:075
111391180,0ptp4l0-21swapper/521:45:285
111391180,0ptp4l0-21swapper/519:22:045
111391180,0ptp4l0-21swapper/423:56:574
111391180,0ptp4l0-21swapper/319:24:553
111391180,0ptp4l0-21swapper/223:51:072
111391180,0ptp4l0-21swapper/222:55:392
111391180,0ptp4l0-21swapper/123:54:561
111391180,0ptp4l0-21swapper/123:20:441
111391180,0ptp4l0-21swapper/120:51:051
111391180,0ptp4l0-21swapper/120:51:041
111391180,0ptp4l0-21swapper/119:34:541
111391170,2ptp4l0-21swapper/120:26:181
111391170,2ptp4l0-21swapper/119:27:301
111391170,0ptp4l0-21swapper/623:51:056
111391170,0ptp4l0-21swapper/621:16:496
111391170,0ptp4l0-21swapper/523:28:365
111391170,0ptp4l0-21swapper/522:19:075
111391170,0ptp4l0-21swapper/121:50:261
111391160,1ptp4l19644-21chrt22:11:105
111391160,0ptp4l0-21swapper/600:17:596
111391160,0ptp4l0-21swapper/523:47:455
111391160,0ptp4l0-21swapper/523:38:045
111391160,0ptp4l0-21swapper/523:07:595
111391160,0ptp4l0-21swapper/522:58:145
111391160,0ptp4l0-21swapper/522:50:385
111391160,0ptp4l0-21swapper/522:02:155
111391160,0ptp4l0-21swapper/521:31:025
111391160,0ptp4l0-21swapper/519:13:075
111391160,0ptp4l0-21swapper/123:44:341
111391160,0ptp4l0-21swapper/123:19:351
111391150,1ptp4l33-21ksoftirqd/200:22:302
111391150,0ptp4l0-21swapper/723:04:227
111391150,0ptp4l0-21swapper/722:52:467
111391150,0ptp4l0-21swapper/720:14:247
111391150,0ptp4l0-21swapper/720:08:287
111391150,0ptp4l0-21swapper/622:54:096
111391150,0ptp4l0-21swapper/622:28:126
111391150,0ptp4l0-21swapper/622:17:116
111391150,0ptp4l0-21swapper/622:06:496
111391150,0ptp4l0-21swapper/622:01:546
111391150,0ptp4l0-21swapper/621:04:106
111391150,0ptp4l0-21swapper/620:31:096
111391150,0ptp4l0-21swapper/620:19:556
111391150,0ptp4l0-21swapper/620:03:476
111391150,0ptp4l0-21swapper/619:28:346
111391150,0ptp4l0-21swapper/619:23:356
111391150,0ptp4l0-21swapper/600:37:326
111391150,0ptp4l0-21swapper/523:15:355
111391150,0ptp4l0-21swapper/521:25:465
111391150,0ptp4l0-21swapper/521:15:395
111391150,0ptp4l0-21swapper/520:51:085
111391150,0ptp4l0-21swapper/520:51:085
111391150,0ptp4l0-21swapper/520:19:015
111391150,0ptp4l0-21swapper/519:34:475
111391150,0ptp4l0-21swapper/519:29:375
111391150,0ptp4l0-21swapper/500:16:285
111391150,0ptp4l0-21swapper/500:08:395
111391150,0ptp4l0-21swapper/422:35:494
111391150,0ptp4l0-21swapper/322:52:503
111391150,0ptp4l0-21swapper/322:17:593
111391150,0ptp4l0-21swapper/320:36:513
111391150,0ptp4l0-21swapper/223:16:532
111391150,0ptp4l0-21swapper/223:12:432
111391150,0ptp4l0-21swapper/221:51:512
111391150,0ptp4l0-21swapper/221:41:592
111391150,0ptp4l0-21swapper/221:13:372
111391150,0ptp4l0-21swapper/220:31:092
111391150,0ptp4l0-21swapper/219:23:342
111391150,0ptp4l0-21swapper/219:12:282
111391150,0ptp4l0-21swapper/200:34:182
111391150,0ptp4l0-21swapper/200:18:112
111391150,0ptp4l0-21swapper/200:09:292
111391150,0ptp4l0-21swapper/123:30:361
111391150,0ptp4l0-21swapper/123:30:351
111391150,0ptp4l0-21swapper/123:28:071
111391150,0ptp4l0-21swapper/122:50:431
111391150,0ptp4l0-21swapper/122:16:461
111391150,0ptp4l0-21swapper/122:11:011
111391150,0ptp4l0-21swapper/121:40:391
111391150,0ptp4l0-21swapper/120:18:081
111391150,0ptp4l0-21swapper/100:16:221
111391150,0ptp4l0-21swapper/022:35:480
111391140,0ptp4l0-21swapper/722:17:517
111391140,0ptp4l0-21swapper/719:24:517
111391140,0ptp4l0-21swapper/700:17:077
111391140,0ptp4l0-21swapper/623:58:136
111391140,0ptp4l0-21swapper/623:37:136
111391140,0ptp4l0-21swapper/623:12:376
111391140,0ptp4l0-21swapper/622:39:066
111391140,0ptp4l0-21swapper/622:14:036
111391140,0ptp4l0-21swapper/621:52:546
111391140,0ptp4l0-21swapper/620:51:426
111391140,0ptp4l0-21swapper/620:51:416
111391140,0ptp4l0-21swapper/620:39:526
111391140,0ptp4l0-21swapper/620:10:456
111391140,0ptp4l0-21swapper/619:59:206
111391140,0ptp4l0-21swapper/619:12:286
111391140,0ptp4l0-21swapper/600:34:186
111391140,0ptp4l0-21swapper/600:22:236
111391140,0ptp4l0-21swapper/600:09:316
111391140,0ptp4l0-21swapper/320:14:233
111391140,0ptp4l0-21swapper/320:08:273
111391140,0ptp4l0-21swapper/300:09:553
111391140,0ptp4l0-21swapper/223:46:102
111391140,0ptp4l0-21swapper/223:37:122
111391140,0ptp4l0-21swapper/223:01:022
111391140,0ptp4l0-21swapper/222:54:082
111391140,0ptp4l0-21swapper/222:39:062
111391140,0ptp4l0-21swapper/222:28:102
111391140,0ptp4l0-21swapper/222:17:072
111391140,0ptp4l0-21swapper/222:14:062
111391140,0ptp4l0-21swapper/222:06:492
111391140,0ptp4l0-21swapper/222:01:532
111391140,0ptp4l0-21swapper/221:15:012
111391140,0ptp4l0-21swapper/221:00:592
111391140,0ptp4l0-21swapper/220:51:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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