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2025-12-28 - 12:15

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 28, 2025 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391620,5ptp4l0-21swapper/119:07:581
1826026139,7sleep70-21swapper/719:07:457
111391600,5ptp4l0-21swapper/419:05:024
111391600,13ptp4l0-21swapper/519:08:065
1881915632,7phc2sys0-21swapper/019:05:010
1842825443,6sleep20-21swapper/219:09:562
1840524737,6sleep60-21swapper/619:09:356
1811524735,7sleep30-21swapper/319:05:563
111391340,0ptp4l0-21swapper/422:55:004
111391320,0ptp4l0-21swapper/120:15:151
111391320,0ptp4l0-21swapper/023:10:190
111391310,0ptp4l0-21swapper/519:10:145
111391310,0ptp4l0-21swapper/022:03:470
111391300,0ptp4l0-21swapper/423:50:344
111391300,0ptp4l0-21swapper/422:20:104
111391300,0ptp4l0-21swapper/023:35:160
111391300,0ptp4l0-21swapper/021:44:230
111391290,0ptp4l0-21swapper/522:49:575
111391290,0ptp4l0-21swapper/522:36:505
111391290,0ptp4l0-21swapper/522:25:445
111391290,0ptp4l0-21swapper/521:46:295
111391290,0ptp4l0-21swapper/423:25:014
111391290,0ptp4l0-21swapper/422:45:194
111391290,0ptp4l0-21swapper/421:10:164
111391290,0ptp4l0-21swapper/023:58:000
111391280,0ptp4l0-21swapper/423:32:504
111391280,0ptp4l0-21swapper/423:13:584
111391280,0ptp4l0-21swapper/422:26:554
111391280,0ptp4l0-21swapper/422:10:214
111391280,0ptp4l0-21swapper/422:06:484
111391280,0ptp4l0-21swapper/421:21:564
111391280,0ptp4l0-21swapper/419:15:224
111391280,0ptp4l0-21swapper/400:35:204
111391280,0ptp4l0-21swapper/400:27:034
111391280,0ptp4l0-21swapper/221:29:022
111391280,0ptp4l0-21swapper/221:29:022
111391280,0ptp4l0-21swapper/023:20:180
111391280,0ptp4l0-21swapper/023:17:590
111391280,0ptp4l0-21swapper/022:08:520
111391280,0ptp4l0-21swapper/020:57:240
111391270,3ptp4l0-21swapper/122:49:591
111391270,1ptp4l0-21swapper/500:38:405
111391270,0ptp4l0-21swapper/621:27:096
111391270,0ptp4l0-21swapper/621:27:096
111391270,0ptp4l0-21swapper/423:16:554
111391270,0ptp4l0-21swapper/421:49:394
111391270,0ptp4l0-21swapper/222:06:592
111391270,0ptp4l0-21swapper/221:53:052
111391270,0ptp4l0-21swapper/023:33:440
111391270,0ptp4l0-21swapper/022:29:230
111391270,0ptp4l0-21swapper/021:37:010
111391270,0ptp4l0-21swapper/000:18:250
111391260,0ptp4l0-21swapper/423:40:444
111391260,0ptp4l0-21swapper/423:07:064
111391260,0ptp4l0-21swapper/423:00:264
111391260,0ptp4l0-21swapper/422:57:584
111391260,0ptp4l0-21swapper/422:35:054
111391260,0ptp4l0-21swapper/323:24:213
111391260,0ptp4l0-21swapper/023:25:030
111391260,0ptp4l0-21swapper/021:27:510
111391260,0ptp4l0-21swapper/021:27:510
111391260,0ptp4l0-21swapper/000:01:520
111391250,0ptp4l0-21swapper/521:42:015
111391250,0ptp4l0-21swapper/500:21:215
111391250,0ptp4l0-21swapper/500:04:325
111391250,0ptp4l0-21swapper/423:36:184
111391250,0ptp4l0-21swapper/419:50:134
111391250,0ptp4l0-21swapper/419:30:004
111391250,0ptp4l0-21swapper/400:15:524
111391250,0ptp4l0-21swapper/221:59:132
111391250,0ptp4l0-21swapper/119:40:011
111391250,0ptp4l0-21swapper/023:42:390
111391250,0ptp4l0-21swapper/023:03:460
111391250,0ptp4l0-21swapper/021:17:150
111391250,0ptp4l0-21swapper/000:33:240
111391250,0ptp4l0-21swapper/000:25:230
111391240,1ptp4l6602-21smart_sda19:50:190
111391240,1ptp4l3259-21fw_forwarded_lo20:55:144
111391240,1ptp4l17175-21ssh22:00:044
111391240,0ptp4l0-21swapper/600:05:186
111391240,0ptp4l0-21swapper/600:05:186
111391240,0ptp4l0-21swapper/522:31:305
111391240,0ptp4l0-21swapper/521:15:145
111391240,0ptp4l0-21swapper/520:11:035
111391240,0ptp4l0-21swapper/423:45:154
111391240,0ptp4l0-21swapper/421:16:154
111391240,0ptp4l0-21swapper/420:50:164
111391240,0ptp4l0-21swapper/400:00:184
111391240,0ptp4l0-21swapper/223:47:422
111391240,0ptp4l0-21swapper/222:30:412
111391240,0ptp4l0-21swapper/219:25:112
111391240,0ptp4l0-21swapper/200:05:342
111391240,0ptp4l0-21swapper/200:05:342
111391240,0ptp4l0-21swapper/122:53:431
111391240,0ptp4l0-21swapper/121:41:411
111391240,0ptp4l0-21swapper/022:51:290
111391240,0ptp4l0-21swapper/022:45:200
111391240,0ptp4l0-21swapper/021:55:110
111391240,0ptp4l0-21swapper/021:23:190
111391240,0ptp4l0-21swapper/020:35:180
111391240,0ptp4l0-21swapper/020:30:220
111391240,0ptp4l0-21swapper/020:22:140
111391240,0ptp4l0-21swapper/000:38:570
111391230,2ptp4l0-21swapper/121:14:541
111391230,1ptp4l29281-21ssh22:15:130
111391230,1ptp4l27818-21cpuspeed_turbos22:55:120
111391230,1ptp4l26248-21cpuspeed_turbos20:35:136
111391230,0ptp4l8568-21memory19:55:170
111391230,0ptp4l0-21swapper/622:49:016
111391230,0ptp4l0-21swapper/622:16:496
111391230,0ptp4l0-21swapper/621:55:226
111391230,0ptp4l0-21swapper/621:35:156
111391230,0ptp4l0-21swapper/621:05:206
111391230,0ptp4l0-21swapper/521:50:055
111391230,0ptp4l0-21swapper/500:06:535
111391230,0ptp4l0-21swapper/500:06:525
111391230,0ptp4l0-21swapper/422:40:154
111391230,0ptp4l0-21swapper/422:30:124
111391230,0ptp4l0-21swapper/422:15:124
111391230,0ptp4l0-21swapper/421:35:224
111391230,0ptp4l0-21swapper/421:30:494
111391230,0ptp4l0-21swapper/421:30:494
111391230,0ptp4l0-21swapper/421:25:134
111391230,0ptp4l0-21swapper/421:25:134
111391230,0ptp4l0-21swapper/420:40:124
111391230,0ptp4l0-21swapper/420:15:214
111391230,0ptp4l0-21swapper/420:10:134
111391230,0ptp4l0-21swapper/419:45:164
111391230,0ptp4l0-21swapper/419:40:144
111391230,0ptp4l0-21swapper/419:30:164
111391230,0ptp4l0-21swapper/400:30:204
111391230,0ptp4l0-21swapper/400:10:034
111391230,0ptp4l0-21swapper/323:30:203
111391230,0ptp4l0-21swapper/300:27:483
111391230,0ptp4l0-21swapper/222:10:202
111391230,0ptp4l0-21swapper/219:20:202
111391230,0ptp4l0-21swapper/200:10:172
111391230,0ptp4l0-21swapper/123:57:111
111391230,0ptp4l0-21swapper/123:40:121
111391230,0ptp4l0-21swapper/122:36:171
111391230,0ptp4l0-21swapper/122:33:291
111391230,0ptp4l0-21swapper/122:20:251
111391230,0ptp4l0-21swapper/119:10:141
111391230,0ptp4l0-21swapper/023:05:180
111391230,0ptp4l0-21swapper/022:35:140
111391230,0ptp4l0-21swapper/022:30:180
111391230,0ptp4l0-21swapper/021:50:200
111391230,0ptp4l0-21swapper/021:34:320
111391230,0ptp4l0-21swapper/021:34:320
111391230,0ptp4l0-21swapper/021:00:170
111391230,0ptp4l0-21swapper/020:40:110
111391230,0ptp4l0-21swapper/020:00:160
111391230,0ptp4l0-21swapper/019:38:410
111391230,0ptp4l0-21swapper/000:20:010
111391220,1ptp4l241ktimersoftd/123:25:511
111391220,1ptp4l20460-21ssh22:04:142
111391220,0ptp4l0-21swapper/723:30:217
111391220,0ptp4l0-21swapper/722:37:587
111391220,0ptp4l0-21swapper/722:14:077
111391220,0ptp4l0-21swapper/700:26:027
111391220,0ptp4l0-21swapper/623:54:256
111391220,0ptp4l0-21swapper/623:12:076
111391220,0ptp4l0-21swapper/623:07:236
111391220,0ptp4l0-21swapper/622:20:576
111391220,0ptp4l0-21swapper/621:20:576
111391220,0ptp4l0-21swapper/621:11:216
111391220,0ptp4l0-21swapper/619:20:176
111391220,0ptp4l0-21swapper/600:24:086
111391220,0ptp4l0-21swapper/600:10:086
111391220,0ptp4l0-21swapper/523:46:275
111391220,0ptp4l0-21swapper/523:26:055
111391220,0ptp4l0-21swapper/522:50:025
111391220,0ptp4l0-21swapper/522:20:245
111391220,0ptp4l0-21swapper/521:59:295
111391220,0ptp4l0-21swapper/520:15:135
111391220,0ptp4l0-21swapper/519:26:365
111391220,0ptp4l0-21swapper/500:28:285
111391220,0ptp4l0-21swapper/423:55:204
111391220,0ptp4l0-21swapper/423:20:134
111391220,0ptp4l0-21swapper/421:58:044
111391220,0ptp4l0-21swapper/421:50:584
111391220,0ptp4l0-21swapper/421:43:204
111391220,0ptp4l0-21swapper/421:05:164
111391220,0ptp4l0-21swapper/420:45:134
111391220,0ptp4l0-21swapper/420:35:164
111391220,0ptp4l0-21swapper/420:30:164
111391220,0ptp4l0-21swapper/420:25:184
111391220,0ptp4l0-21swapper/420:24:184
111391220,0ptp4l0-21swapper/420:00:164
111391220,0ptp4l0-21swapper/419:55:184
111391220,0ptp4l0-21swapper/419:35:124
111391220,0ptp4l0-21swapper/419:10:184
111391220,0ptp4l0-21swapper/400:20:174
111391220,0ptp4l0-21swapper/400:06:034
111391220,0ptp4l0-21swapper/400:06:034
111391220,0ptp4l0-21swapper/323:29:083
111391220,0ptp4l0-21swapper/223:10:562
111391220,0ptp4l0-21swapper/223:06:222
111391220,0ptp4l0-21swapper/222:55:422
111391220,0ptp4l0-21swapper/222:52:292
111391220,0ptp4l0-21swapper/222:45:132
111391220,0ptp4l0-21swapper/222:20:442
111391220,0ptp4l0-21swapper/221:45:262
111391220,0ptp4l0-21swapper/221:35:142
111391220,0ptp4l0-21swapper/219:19:152
111391220,0ptp4l0-21swapper/123:09:291
111391220,0ptp4l0-21swapper/123:00:191
111391220,0ptp4l0-21swapper/122:25:181
111391220,0ptp4l0-21swapper/121:00:211
111391220,0ptp4l0-21swapper/100:30:291
111391220,0ptp4l0-21swapper/100:28:231
111391220,0ptp4l0-21swapper/100:21:291
111391220,0ptp4l0-21swapper/023:50:150
111391220,0ptp4l0-21swapper/023:45:500
111391220,0ptp4l0-21swapper/022:40:160
111391220,0ptp4l0-21swapper/022:22:280
111391220,0ptp4l0-21swapper/022:11:120
111391220,0ptp4l0-21swapper/021:45:160
111391220,0ptp4l0-21swapper/021:10:120
111391220,0ptp4l0-21swapper/021:05:170
111391220,0ptp4l0-21swapper/020:50:160
111391220,0ptp4l0-21swapper/020:19:190
111391220,0ptp4l0-21swapper/020:10:150
111391220,0ptp4l0-21swapper/020:05:230
111391220,0ptp4l0-21swapper/019:46:390
111391220,0ptp4l0-21swapper/019:40:280
111391220,0ptp4l0-21swapper/019:30:200
111391220,0ptp4l0-21swapper/019:15:200
111391220,0ptp4l0-21swapper/000:09:180
111391220,0ptp4l0-21swapper/000:09:170
111391210,1ptp4l121rcu_preempt23:55:062
111391210,1ptp4l0-21swapper/123:53:541
111391210,0ptp4l9468-21diskmemload23:22:585
111391210,0ptp4l0-21swapper/723:29:197
111391210,0ptp4l0-21swapper/723:23:257
111391210,0ptp4l0-21swapper/700:39:287
111391210,0ptp4l0-21swapper/623:59:466
111391210,0ptp4l0-21swapper/623:47:356
111391210,0ptp4l0-21swapper/623:36:036
111391210,0ptp4l0-21swapper/623:21:216
111391210,0ptp4l0-21swapper/623:19:216
111391210,0ptp4l0-21swapper/622:37:196
111391210,0ptp4l0-21swapper/622:06:566
111391210,0ptp4l0-21swapper/622:04:106
111391210,0ptp4l0-21swapper/621:52:486
111391210,0ptp4l0-21swapper/621:16:526
111391210,0ptp4l0-21swapper/620:20:176
111391210,0ptp4l0-21swapper/600:02:336
111391210,0ptp4l0-21swapper/523:53:535
111391210,0ptp4l0-21swapper/523:40:125
111391210,0ptp4l0-21swapper/523:19:535
111391210,0ptp4l0-21swapper/523:06:465
111391210,0ptp4l0-21swapper/523:00:215
111391210,0ptp4l0-21swapper/522:02:465
111391210,0ptp4l0-21swapper/521:38:575
111391210,0ptp4l0-21swapper/521:32:145
111391210,0ptp4l0-21swapper/521:32:145
111391210,0ptp4l0-21swapper/521:22:205
111391210,0ptp4l0-21swapper/521:12:105
111391210,0ptp4l0-21swapper/521:00:205
111391210,0ptp4l0-21swapper/520:05:155
111391210,0ptp4l0-21swapper/519:49:555
111391210,0ptp4l0-21swapper/421:00:144
111391210,0ptp4l0-21swapper/420:05:224
111391210,0ptp4l0-21swapper/322:35:353
111391210,0ptp4l0-21swapper/322:11:323
111391210,0ptp4l0-21swapper/320:28:293
111391210,0ptp4l0-21swapper/223:54:192
111391210,0ptp4l0-21swapper/223:39:102
111391210,0ptp4l0-21swapper/223:34:472
111391210,0ptp4l0-21swapper/223:15:042
111391210,0ptp4l0-21swapper/222:37:162
111391210,0ptp4l0-21swapper/222:17:052
111391210,0ptp4l0-21swapper/221:20:392
111391210,0ptp4l0-21swapper/221:13:222
111391210,0ptp4l0-21swapper/200:37:192
111391210,0ptp4l0-21swapper/200:24:002
111391210,0ptp4l0-21swapper/200:17:412
111391210,0ptp4l0-21swapper/200:02:482
111391210,0ptp4l0-21swapper/123:46:241
111391210,0ptp4l0-21swapper/123:22:491
111391210,0ptp4l0-21swapper/121:59:321
111391210,0ptp4l0-21swapper/121:52:001
111391210,0ptp4l0-21swapper/121:27:161
111391210,0ptp4l0-21swapper/121:27:161
111391210,0ptp4l0-21swapper/121:15:061
111391210,0ptp4l0-21swapper/120:23:301
111391210,0ptp4l0-21swapper/120:05:151
111391210,0ptp4l0-21swapper/120:01:001
111391210,0ptp4l0-21swapper/119:50:131
111391210,0ptp4l0-21swapper/119:25:201
111391210,0ptp4l0-21swapper/100:06:481
111391210,0ptp4l0-21swapper/100:06:481
111391210,0ptp4l0-21swapper/020:45:000
111391210,0ptp4l0-21swapper/020:25:220
111391210,0ptp4l0-21swapper/019:25:170
111391210,0ptp4l0-21swapper/000:10:210
111391200,1ptp4l25-21ksoftirqd/123:16:471
111391200,0ptp4l0-21swapper/722:17:487
111391200,0ptp4l0-21swapper/720:29:237
111391200,0ptp4l0-21swapper/622:55:446
111391200,0ptp4l0-21swapper/622:30:366
111391200,0ptp4l0-21swapper/621:45:386
111391200,0ptp4l0-21swapper/620:59:296
111391200,0ptp4l0-21swapper/600:36:156
111391200,0ptp4l0-21swapper/600:16:536
111391200,0ptp4l0-21swapper/523:57:025
111391200,0ptp4l0-21swapper/523:11:395
111391200,0ptp4l0-21swapper/521:27:135
111391200,0ptp4l0-21swapper/521:27:135
111391200,0ptp4l0-21swapper/520:41:215
111391200,0ptp4l0-21swapper/519:21:295
111391200,0ptp4l0-21swapper/500:30:365
111391200,0ptp4l0-21swapper/419:20:294
111391200,0ptp4l0-21swapper/300:39:433
111391200,0ptp4l0-21swapper/223:22:162
111391200,0ptp4l0-21swapper/221:32:512
111391200,0ptp4l0-21swapper/221:32:512
111391200,0ptp4l0-21swapper/220:35:142
111391200,0ptp4l0-21swapper/220:20:332
111391200,0ptp4l0-21swapper/219:40:222
111391200,0ptp4l0-21swapper/122:55:031
111391200,0ptp4l0-21swapper/122:19:401
111391200,0ptp4l0-21swapper/121:39:161
111391200,0ptp4l0-21swapper/121:22:211
111391200,0ptp4l0-21swapper/100:38:071
111391200,0ptp4l0-21swapper/100:04:161
111391200,0ptp4l0-21swapper/019:12:290
111391190,0ptp4l0-21swapper/623:32:126
111391190,0ptp4l0-21swapper/622:27:526
111391190,0ptp4l0-21swapper/621:32:596
111391190,0ptp4l0-21swapper/621:32:596
111391190,0ptp4l0-21swapper/522:55:045
111391190,0ptp4l0-21swapper/522:15:335
111391190,0ptp4l0-21swapper/520:27:155
111391190,0ptp4l0-21swapper/520:04:485
111391190,0ptp4l0-21swapper/519:33:345
111391190,0ptp4l0-21swapper/322:17:473
111391190,0ptp4l0-21swapper/223:02:102
111391190,0ptp4l0-21swapper/222:27:502
111391190,0ptp4l0-21swapper/221:16:542
111391190,0ptp4l0-21swapper/220:49:182
111391190,0ptp4l0-21swapper/219:56:172
111391190,0ptp4l0-21swapper/200:33:102
111391190,0ptp4l0-21swapper/122:02:481
111391190,0ptp4l0-21swapper/121:46:091
111391190,0ptp4l0-21swapper/120:27:041
111391190,0ptp4l0-21swapper/100:13:131
259372180,0sleep10-21swapper/121:30:101
259372180,0sleep10-21swapper/121:30:101
111391180,2ptp4l0-21swapper/120:40:531
111391180,0ptp4l0-21swapper/622:54:076
111391180,0ptp4l0-21swapper/619:33:256
111391180,0ptp4l0-21swapper/520:20:265
111391180,0ptp4l0-21swapper/519:50:135
111391180,0ptp4l0-21swapper/519:18:225
111391180,0ptp4l0-21swapper/500:13:195
111391180,0ptp4l0-21swapper/222:42:402
111391180,0ptp4l0-21swapper/221:05:192
111391180,0ptp4l0-21swapper/220:09:502
111391180,0ptp4l0-21swapper/122:41:201
111391180,0ptp4l0-21swapper/120:45:511
111391180,0ptp4l0-21swapper/019:24:080
111391170,0ptp4l0-21swapper/623:02:116
111391170,0ptp4l0-21swapper/619:20:016
111391170,0ptp4l0-21swapper/219:14:292
111391170,0ptp4l0-21swapper/123:11:391
111391170,0ptp4l0-21swapper/119:49:371
111391160,0ptp4l0-21swapper/620:45:076
111391160,0ptp4l0-21swapper/620:10:266
111391160,0ptp4l0-21swapper/619:25:146
111391160,0ptp4l0-21swapper/220:53:462
111391160,0ptp4l0-21swapper/219:46:082
111391160,0ptp4l0-21swapper/122:08:241
111391160,0ptp4l0-21swapper/120:14:041
111391160,0ptp4l0-21swapper/119:33:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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