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2025-12-20 - 14:41

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 Sat Dec 20, 2025 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391660,57ptp4l0-21swapper/619:05:116
111391650,6ptp4l0-21swapper/219:05:582
111391620,30ptp4l0-21swapper/019:09:020
111391590,5ptp4l0-21swapper/419:09:054
111532580,0sleep30-21swapper/322:20:093
1881915633,7phc2sys0-21swapper/119:07:471
1963725332,7sleep30-21swapper/319:06:433
1973224836,7sleep70-21swapper/719:08:017
1798124534,7sleep50-21swapper/519:05:105
111391340,1ptp4l32002-21hddtemp_smartct23:05:130
111391310,0ptp4l0-21swapper/521:20:125
111391300,1ptp4l19839-21latency_hist22:40:014
111391290,0ptp4l0-21swapper/122:40:211
111391280,0ptp4l0-21swapper/423:35:154
111391280,0ptp4l0-21swapper/121:50:181
111391280,0ptp4l0-21swapper/121:50:181
111391270,0ptp4l0-21swapper/420:32:314
111391260,0ptp4l0-21swapper/423:06:234
111391260,0ptp4l0-21swapper/123:55:101
111391250,1ptp4l24632-21latency_hist22:50:000
111391250,0ptp4l0-21swapper/523:25:215
111391250,0ptp4l0-21swapper/500:20:155
111391250,0ptp4l0-21swapper/500:05:005
111391250,0ptp4l0-21swapper/419:35:184
111391250,0ptp4l0-21swapper/400:00:504
111391250,0ptp4l0-21swapper/122:35:211
111391250,0ptp4l0-21swapper/000:30:220
111391250,0ptp4l0-21swapper/000:30:220
111391240,2ptp4l0-21swapper/422:45:144
111391240,1ptp4l30644-21cut19:30:154
111391240,1ptp4l30167-21fw_forwarded_lo20:40:114
111391240,1ptp4l25808-21df_inode19:20:100
111391240,1ptp4l22448-21cut21:35:004
111391240,1ptp4l11589-21fw_conntrack21:10:134
111391240,0ptp4l0-21swapper/522:50:155
111391240,0ptp4l0-21swapper/519:15:205
111391240,0ptp4l0-21swapper/423:43:114
111391240,0ptp4l0-21swapper/421:40:104
111391240,0ptp4l0-21swapper/122:45:201
111391240,0ptp4l0-21swapper/121:24:501
111391240,0ptp4l0-21swapper/121:20:001
111391240,0ptp4l0-21swapper/100:12:381
111391240,0ptp4l0-21swapper/019:30:200
111391230,1ptp4l5310-21needreboot20:55:180
111391230,1ptp4l16949-21missed_timers20:10:164
111391230,1ptp4l14444-21sensors22:25:191
111391230,1ptp4l13294-21latency_hist21:15:005
111391230,1ptp4l11570-21df_inode21:10:120
111391230,1ptp4l1061-21snmpd20:15:144
111391230,0ptp4l0-21swapper/722:57:357
111391230,0ptp4l0-21swapper/721:04:597
111391230,0ptp4l0-21swapper/523:55:145
111391230,0ptp4l0-21swapper/523:20:425
111391230,0ptp4l0-21swapper/522:39:235
111391230,0ptp4l0-21swapper/522:30:015
111391230,0ptp4l0-21swapper/522:05:125
111391230,0ptp4l0-21swapper/520:58:305
111391230,0ptp4l0-21swapper/423:48:034
111391230,0ptp4l0-21swapper/423:00:204
111391230,0ptp4l0-21swapper/421:46:194
111391230,0ptp4l0-21swapper/420:35:124
111391230,0ptp4l0-21swapper/419:45:014
111391230,0ptp4l0-21swapper/419:21:524
111391230,0ptp4l0-21swapper/419:15:134
111391230,0ptp4l0-21swapper/400:35:194
111391230,0ptp4l0-21swapper/400:32:394
111391230,0ptp4l0-21swapper/400:32:394
111391230,0ptp4l0-21swapper/320:30:163
111391230,0ptp4l0-21swapper/122:05:171
111391230,0ptp4l0-21swapper/121:55:111
111391230,0ptp4l0-21swapper/120:25:111
111391230,0ptp4l0-21swapper/119:35:011
111391230,0ptp4l0-21swapper/119:17:251
111391230,0ptp4l0-21swapper/100:35:501
111391230,0ptp4l0-21swapper/100:20:161
111391230,0ptp4l0-21swapper/100:00:131
111391230,0ptp4l0-21swapper/023:35:140
111391230,0ptp4l0-21swapper/022:25:170
111391230,0ptp4l0-21swapper/021:35:200
111391230,0ptp4l0-21swapper/020:50:140
111391230,0ptp4l0-21swapper/020:40:120
111391230,0ptp4l0-21swapper/019:38:090
111391230,0ptp4l0-21swapper/000:35:200
111391220,0ptp4l0-21swapper/723:10:127
111391220,0ptp4l0-21swapper/719:32:117
111391220,0ptp4l0-21swapper/700:15:287
111391220,0ptp4l0-21swapper/523:42:225
111391220,0ptp4l0-21swapper/522:55:165
111391220,0ptp4l0-21swapper/522:48:445
111391220,0ptp4l0-21swapper/522:40:165
111391220,0ptp4l0-21swapper/521:55:135
111391220,0ptp4l0-21swapper/521:25:175
111391220,0ptp4l0-21swapper/521:15:145
111391220,0ptp4l0-21swapper/521:05:215
111391220,0ptp4l0-21swapper/520:25:205
111391220,0ptp4l0-21swapper/519:35:155
111391220,0ptp4l0-21swapper/500:10:195
111391220,0ptp4l0-21swapper/500:08:255
111391220,0ptp4l0-21swapper/423:50:154
111391220,0ptp4l0-21swapper/423:30:174
111391220,0ptp4l0-21swapper/423:20:214
111391220,0ptp4l0-21swapper/423:13:134
111391220,0ptp4l0-21swapper/422:59:414
111391220,0ptp4l0-21swapper/422:50:004
111391220,0ptp4l0-21swapper/422:30:204
111391220,0ptp4l0-21swapper/422:20:134
111391220,0ptp4l0-21swapper/422:15:164
111391220,0ptp4l0-21swapper/422:10:174
111391220,0ptp4l0-21swapper/421:15:214
111391220,0ptp4l0-21swapper/421:00:204
111391220,0ptp4l0-21swapper/420:55:174
111391220,0ptp4l0-21swapper/420:20:144
111391220,0ptp4l0-21swapper/420:05:184
111391220,0ptp4l0-21swapper/419:55:154
111391220,0ptp4l0-21swapper/419:50:154
111391220,0ptp4l0-21swapper/419:45:124
111391220,0ptp4l0-21swapper/419:25:214
111391220,0ptp4l0-21swapper/419:10:144
111391220,0ptp4l0-21swapper/419:10:144
111391220,0ptp4l0-21swapper/400:25:164
111391220,0ptp4l0-21swapper/400:20:204
111391220,0ptp4l0-21swapper/322:00:183
111391220,0ptp4l0-21swapper/321:51:273
111391220,0ptp4l0-21swapper/321:51:263
111391220,0ptp4l0-21swapper/320:30:003
111391220,0ptp4l0-21swapper/123:41:321
111391220,0ptp4l0-21swapper/123:25:001
111391220,0ptp4l0-21swapper/123:15:191
111391220,0ptp4l0-21swapper/122:55:001
111391220,0ptp4l0-21swapper/122:15:011
111391220,0ptp4l0-21swapper/121:30:121
111391220,0ptp4l0-21swapper/121:25:151
111391220,0ptp4l0-21swapper/121:10:201
111391220,0ptp4l0-21swapper/120:16:221
111391220,0ptp4l0-21swapper/120:10:001
111391220,0ptp4l0-21swapper/120:00:131
111391220,0ptp4l0-21swapper/119:35:141
111391220,0ptp4l0-21swapper/100:05:121
111391220,0ptp4l0-21swapper/023:50:110
111391220,0ptp4l0-21swapper/023:45:140
111391220,0ptp4l0-21swapper/023:30:120
111391220,0ptp4l0-21swapper/023:20:200
111391220,0ptp4l0-21swapper/023:00:160
111391220,0ptp4l0-21swapper/022:20:170
111391220,0ptp4l0-21swapper/022:10:170
111391220,0ptp4l0-21swapper/021:45:130
111391220,0ptp4l0-21swapper/021:15:190
111391220,0ptp4l0-21swapper/021:05:170
111391220,0ptp4l0-21swapper/020:45:130
111391220,0ptp4l0-21swapper/020:20:010
111391220,0ptp4l0-21swapper/020:15:120
111391220,0ptp4l0-21swapper/020:15:000
111391220,0ptp4l0-21swapper/020:03:300
111391220,0ptp4l0-21swapper/019:55:140
111391220,0ptp4l0-21swapper/019:50:150
111391220,0ptp4l0-21swapper/019:40:190
111391220,0ptp4l0-21swapper/019:25:160
111391220,0ptp4l0-21swapper/000:05:160
111391210,2ptp4l0-21swapper/519:20:055
111391210,1ptp4l19316-21switchtime21:25:190
111391210,0ptp4l0-21swapper/722:00:147
111391210,0ptp4l0-21swapper/721:50:507
111391210,0ptp4l0-21swapper/721:50:507
111391210,0ptp4l0-21swapper/720:30:197
111391210,0ptp4l0-21swapper/523:15:205
111391210,0ptp4l0-21swapper/522:16:435
111391210,0ptp4l0-21swapper/522:10:265
111391210,0ptp4l0-21swapper/521:50:165
111391210,0ptp4l0-21swapper/521:50:155
111391210,0ptp4l0-21swapper/521:38:375
111391210,0ptp4l0-21swapper/521:30:145
111391210,0ptp4l0-21swapper/520:45:565
111391210,0ptp4l0-21swapper/520:24:415
111391210,0ptp4l0-21swapper/520:00:175
111391210,0ptp4l0-21swapper/519:58:125
111391210,0ptp4l0-21swapper/519:30:105
111391210,0ptp4l0-21swapper/519:28:215
111391210,0ptp4l0-21swapper/500:36:535
111391210,0ptp4l0-21swapper/423:18:034
111391210,0ptp4l0-21swapper/422:42:344
111391210,0ptp4l0-21swapper/421:35:144
111391210,0ptp4l0-21swapper/420:45:204
111391210,0ptp4l0-21swapper/420:04:074
111391210,0ptp4l0-21swapper/400:10:124
111391210,0ptp4l0-21swapper/400:10:004
111391210,0ptp4l0-21swapper/323:16:413
111391210,0ptp4l0-21swapper/321:05:013
111391210,0ptp4l0-21swapper/319:53:553
111391210,0ptp4l0-21swapper/319:41:133
111391210,0ptp4l0-21swapper/300:15:163
111391210,0ptp4l0-21swapper/123:49:051
111391210,0ptp4l0-21swapper/122:50:161
111391210,0ptp4l0-21swapper/122:04:121
111391210,0ptp4l0-21swapper/121:40:131
111391210,0ptp4l0-21swapper/121:39:581
111391210,0ptp4l0-21swapper/119:28:271
111391210,0ptp4l0-21swapper/100:26:211
111391210,0ptp4l0-21swapper/023:44:550
111391210,0ptp4l0-21swapper/023:15:220
111391210,0ptp4l0-21swapper/022:50:110
111391210,0ptp4l0-21swapper/022:30:170
111391210,0ptp4l0-21swapper/022:15:130
111391210,0ptp4l0-21swapper/022:09:120
111391210,0ptp4l0-21swapper/022:03:130
111391210,0ptp4l0-21swapper/021:00:200
111391210,0ptp4l0-21swapper/020:35:170
111391210,0ptp4l0-21swapper/019:45:140
111391210,0ptp4l0-21swapper/019:15:140
111391210,0ptp4l0-21swapper/019:10:130
111391210,0ptp4l0-21swapper/019:10:120
111391210,0ptp4l0-21swapper/000:10:000
111391210,0ptp4l0-21swapper/000:00:190
113502200,0sleep10-21swapper/123:30:151
111391200,2ptp4l0-21swapper/722:46:327
111391200,1ptp4l0-21swapper/523:08:465
111391200,0ptp4l0-21swapper/720:41:317
111391200,0ptp4l0-21swapper/720:06:307
111391200,0ptp4l0-21swapper/700:29:367
111391200,0ptp4l0-21swapper/523:12:125
111391200,0ptp4l0-21swapper/521:47:125
111391200,0ptp4l0-21swapper/520:53:135
111391200,0ptp4l0-21swapper/520:43:395
111391200,0ptp4l0-21swapper/520:17:125
111391200,0ptp4l0-21swapper/519:48:365
111391200,0ptp4l0-21swapper/422:25:154
111391200,0ptp4l0-21swapper/421:56:124
111391200,0ptp4l0-21swapper/421:26:114
111391200,0ptp4l0-21swapper/421:05:164
111391200,0ptp4l0-21swapper/420:54:134
111391200,0ptp4l0-21swapper/400:17:054
111391200,0ptp4l0-21swapper/320:24:133
111391200,0ptp4l0-21swapper/223:28:122
111391200,0ptp4l0-21swapper/220:46:322
111391200,0ptp4l0-21swapper/220:36:432
111391200,0ptp4l0-21swapper/220:21:332
111391200,0ptp4l0-21swapper/122:32:401
111391200,0ptp4l0-21swapper/122:14:561
111391200,0ptp4l0-21swapper/121:09:451
111391200,0ptp4l0-21swapper/121:03:121
111391200,0ptp4l0-21swapper/120:57:151
111391200,0ptp4l0-21swapper/120:43:161
111391200,0ptp4l0-21swapper/119:48:121
111391200,0ptp4l0-21swapper/023:57:040
111391200,0ptp4l0-21swapper/022:42:120
111391200,0ptp4l0-21swapper/022:36:110
111391200,0ptp4l0-21swapper/021:40:100
111391200,0ptp4l0-21swapper/020:27:130
111391200,0ptp4l0-21swapper/020:05:130
111391200,0ptp4l0-21swapper/000:25:130
111391190,0ptp4l0-21swapper/720:24:067
111391190,0ptp4l0-21swapper/619:58:306
111391190,0ptp4l0-21swapper/523:31:445
111391190,0ptp4l0-21swapper/521:40:125
111391190,0ptp4l0-21swapper/319:31:473
111391190,0ptp4l0-21swapper/223:21:572
111391190,0ptp4l0-21swapper/120:21:101
111391190,0ptp4l0-21swapper/119:57:371
111391190,0ptp4l0-21swapper/000:16:340
88492180,1sleep2311rcuc/222:15:122
111391180,0ptp4l0-21swapper/621:44:306
111391180,0ptp4l0-21swapper/620:50:126
111391180,0ptp4l0-21swapper/619:19:296
111391180,0ptp4l0-21swapper/523:49:125
111391180,0ptp4l0-21swapper/421:54:134
111391180,0ptp4l0-21swapper/421:54:134
111391180,0ptp4l0-21swapper/323:39:123
111391180,0ptp4l0-21swapper/323:10:003
111391180,0ptp4l0-21swapper/200:06:552
111391180,0ptp4l0-21swapper/123:22:461
111391180,0ptp4l0-21swapper/121:46:311
111391180,0ptp4l0-21swapper/000:20:210
111391170,2ptp4l0-21swapper/021:54:110
111391170,2ptp4l0-21swapper/021:54:100
111391170,2ptp4l0-21swapper/020:31:360
111391170,0ptp4l0-21swapper/519:13:555
111391170,0ptp4l0-21swapper/519:13:545
111391170,0ptp4l0-21swapper/423:59:524
111391170,0ptp4l0-21swapper/420:25:514
111391170,0ptp4l0-21swapper/120:47:501
111391170,0ptp4l0-21swapper/119:43:281
111391170,0ptp4l0-21swapper/023:14:440
111391170,0ptp4l0-21swapper/021:56:410
20161991613,2cyclictest1963-21munin-run19:40:012
111391160,0ptp4l0-21swapper/522:32:165
111391160,0ptp4l0-21swapper/521:00:535
111391160,0ptp4l0-21swapper/422:02:374
111391160,0ptp4l0-21swapper/421:21:214
111391160,0ptp4l0-21swapper/323:10:143
111391160,0ptp4l0-21swapper/123:06:201
111391160,0ptp4l0-21swapper/122:24:501
111391160,0ptp4l0-21swapper/120:50:231
111391160,0ptp4l0-21swapper/119:23:121
111391160,0ptp4l0-21swapper/023:29:530
111391160,0ptp4l0-21swapper/021:32:130
111391160,0ptp4l0-21swapper/021:21:200
111391150,0ptp4l0-21swapper/723:38:127
111391150,0ptp4l0-21swapper/723:31:097
111391150,0ptp4l0-21swapper/723:25:567
111391150,0ptp4l0-21swapper/723:16:597
111391150,0ptp4l0-21swapper/721:42:027
111391150,0ptp4l0-21swapper/721:18:387
111391150,0ptp4l0-21swapper/721:05:147
111391150,0ptp4l0-21swapper/720:17:317
111391150,0ptp4l0-21swapper/720:00:307
111391150,0ptp4l0-21swapper/719:56:247
111391150,0ptp4l0-21swapper/719:53:437
111391150,0ptp4l0-21swapper/719:49:257
111391150,0ptp4l0-21swapper/719:40:587
111391150,0ptp4l0-21swapper/623:41:026
111391150,0ptp4l0-21swapper/623:28:116
111391150,0ptp4l0-21swapper/623:21:586
111391150,0ptp4l0-21swapper/623:06:336
111391150,0ptp4l0-21swapper/622:53:286
111391150,0ptp4l0-21swapper/622:44:456
111391150,0ptp4l0-21swapper/622:30:516
111391150,0ptp4l0-21swapper/622:04:096
111391150,0ptp4l0-21swapper/621:45:476
111391150,0ptp4l0-21swapper/621:12:416
111391150,0ptp4l0-21swapper/621:07:386
111391150,0ptp4l0-21swapper/620:46:266
111391150,0ptp4l0-21swapper/620:36:306
111391150,0ptp4l0-21swapper/620:33:506
111391150,0ptp4l0-21swapper/620:21:366
111391150,0ptp4l0-21swapper/619:54:046
111391150,0ptp4l0-21swapper/619:41:346
111391150,0ptp4l0-21swapper/619:30:436
111391150,0ptp4l0-21swapper/600:06:466
111391150,0ptp4l0-21swapper/600:01:166
111391150,0ptp4l0-21swapper/523:37:035
111391150,0ptp4l0-21swapper/522:24:505
111391150,0ptp4l0-21swapper/522:00:055
111391150,0ptp4l0-21swapper/520:37:575
111391150,0ptp4l0-21swapper/520:30:585
111391150,0ptp4l0-21swapper/520:10:015
111391150,0ptp4l0-21swapper/520:07:375
111391150,0ptp4l0-21swapper/519:40:375
111391150,0ptp4l0-21swapper/500:26:235
111391150,0ptp4l0-21swapper/423:28:174
111391150,0ptp4l0-21swapper/422:06:344
111391150,0ptp4l0-21swapper/322:56:413
111391150,0ptp4l0-21swapper/322:46:373
111391150,0ptp4l0-21swapper/321:41:463
111391150,0ptp4l0-21swapper/321:19:023
111391150,0ptp4l0-21swapper/321:04:383
111391150,0ptp4l0-21swapper/320:41:403
111391150,0ptp4l0-21swapper/320:17:273
111391150,0ptp4l0-21swapper/319:56:233
111391150,0ptp4l0-21swapper/319:49:283
111391150,0ptp4l0-21swapper/319:10:573
111391150,0ptp4l0-21swapper/319:10:563
111391150,0ptp4l0-21swapper/300:30:083
111391150,0ptp4l0-21swapper/300:30:083
111391150,0ptp4l0-21swapper/300:29:323
111391150,0ptp4l0-21swapper/223:41:042
111391150,0ptp4l0-21swapper/222:44:402
111391150,0ptp4l0-21swapper/222:20:012
111391150,0ptp4l0-21swapper/222:12:412
111391150,0ptp4l0-21swapper/222:04:052
111391150,0ptp4l0-21swapper/221:45:482
111391150,0ptp4l0-21swapper/221:40:542
111391150,0ptp4l0-21swapper/221:10:492
111391150,0ptp4l0-21swapper/220:27:482
111391150,0ptp4l0-21swapper/219:58:302
111391150,0ptp4l0-21swapper/219:54:442
111391150,0ptp4l0-21swapper/219:41:362
111391150,0ptp4l0-21swapper/123:52:411
111391150,0ptp4l0-21swapper/123:36:581
111391150,0ptp4l0-21swapper/123:11:461
111391150,0ptp4l0-21swapper/120:37:411
111391150,0ptp4l0-21swapper/120:30:551
111391150,0ptp4l0-21swapper/120:10:381
111391150,0ptp4l0-21swapper/119:52:241
111391150,0ptp4l0-21swapper/119:13:321
111391150,0ptp4l0-21swapper/119:13:311
111391150,0ptp4l0-21swapper/100:15:091
111391150,0ptp4l0-21swapper/022:56:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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