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2026-06-22 - 11:55

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 Mon Jun 22, 2026 00:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391650,6ptp4l0-21swapper/019:05:070
111391630,6ptp4l0-21swapper/119:08:241
111391620,25ptp4l0-21swapper/219:05:192
253002610,0sleep10-21swapper/121:17:481
2728226049,7sleep40-21swapper/419:07:124
111391600,14ptp4l0-21swapper/619:05:216
58652590,0sleep10-21swapper/123:50:011
111391580,5ptp4l0-21swapper/519:08:205
235582550,0sleep20-21swapper/221:15:172
2657425431,7sleep30-21swapper/319:05:203
2735824736,6sleep70-21swapper/719:08:127
111391350,4ptp4l0-21swapper/523:22:115
111391350,0ptp4l0-21swapper/021:14:340
111391330,0ptp4l0-21swapper/023:45:050
111391330,0ptp4l0-21swapper/022:04:310
111391330,0ptp4l0-21swapper/021:45:120
111391320,0ptp4l0-21swapper/521:16:185
111391320,0ptp4l0-21swapper/222:30:112
111391320,0ptp4l0-21swapper/021:28:390
111391320,0ptp4l0-21swapper/000:15:120
111391310,0ptp4l0-21swapper/523:37:565
111391310,0ptp4l0-21swapper/521:48:485
111391310,0ptp4l0-21swapper/423:54:064
111391310,0ptp4l0-21swapper/422:33:424
111391310,0ptp4l0-21swapper/420:10:104
111391310,0ptp4l0-21swapper/400:35:144
111391310,0ptp4l0-21swapper/023:31:110
111391310,0ptp4l0-21swapper/023:00:200
111391310,0ptp4l0-21swapper/000:02:510
111391300,0ptp4l0-21swapper/500:00:255
111391300,0ptp4l0-21swapper/222:17:092
111391300,0ptp4l0-21swapper/122:09:541
111391300,0ptp4l0-21swapper/000:33:500
111391300,0ptp4l0-21swapper/000:26:000
111391290,0ptp4l0-21swapper/423:57:154
111391290,0ptp4l0-21swapper/423:34:184
111391290,0ptp4l0-21swapper/422:57:464
111391290,0ptp4l0-21swapper/421:50:214
111391290,0ptp4l0-21swapper/420:19:024
111391290,0ptp4l0-21swapper/123:50:481
111391290,0ptp4l0-21swapper/123:38:181
111391290,0ptp4l0-21swapper/023:41:520
111391280,0ptp4l0-21swapper/523:33:045
111391280,0ptp4l0-21swapper/521:35:455
111391280,0ptp4l0-21swapper/422:54:144
111391280,0ptp4l0-21swapper/422:46:104
111391280,0ptp4l0-21swapper/422:20:254
111391280,0ptp4l0-21swapper/421:55:504
111391280,0ptp4l0-21swapper/421:28:184
111391280,0ptp4l0-21swapper/400:32:194
111391280,0ptp4l0-21swapper/223:07:582
111391280,0ptp4l0-21swapper/023:57:190
111391280,0ptp4l0-21swapper/023:53:120
111391280,0ptp4l0-21swapper/022:52:590
111391280,0ptp4l0-21swapper/022:43:000
111391280,0ptp4l0-21swapper/022:17:120
111391280,0ptp4l0-21swapper/021:31:250
111391280,0ptp4l0-21swapper/000:38:510
111391270,0ptp4l0-21swapper/523:51:495
111391270,0ptp4l0-21swapper/522:36:535
111391270,0ptp4l0-21swapper/521:32:155
111391270,0ptp4l0-21swapper/423:04:434
111391270,0ptp4l0-21swapper/422:10:384
111391270,0ptp4l0-21swapper/422:02:384
111391270,0ptp4l0-21swapper/421:32:204
111391270,0ptp4l0-21swapper/421:23:454
111391270,0ptp4l0-21swapper/400:14:414
111391270,0ptp4l0-21swapper/123:09:341
111391270,0ptp4l0-21swapper/023:15:180
111391270,0ptp4l0-21swapper/023:11:210
111391270,0ptp4l0-21swapper/022:57:000
111391270,0ptp4l0-21swapper/022:20:550
111391270,0ptp4l0-21swapper/021:25:010
111391270,0ptp4l0-21swapper/019:19:550
111391260,0ptp4l0-21swapper/523:08:225
111391260,0ptp4l0-21swapper/521:20:515
111391260,0ptp4l0-21swapper/423:05:024
111391260,0ptp4l0-21swapper/422:25:304
111391260,0ptp4l0-21swapper/422:15:464
111391260,0ptp4l0-21swapper/400:27:264
111391260,0ptp4l0-21swapper/400:01:574
111391260,0ptp4l0-21swapper/022:47:300
111391260,0ptp4l0-21swapper/022:37:350
111391260,0ptp4l0-21swapper/021:35:050
111391260,0ptp4l0-21swapper/019:44:450
111391260,0ptp4l0-21swapper/000:23:510
111391260,0ptp4l0-21swapper/000:14:590
111391250,0ptp4l18532-21diskmemload23:16:564
111391250,0ptp4l18532-21diskmemload21:35:222
111391250,0ptp4l0-21swapper/520:42:305
111391250,0ptp4l0-21swapper/500:36:595
111391250,0ptp4l0-21swapper/423:25:124
111391250,0ptp4l0-21swapper/423:25:114
111391250,0ptp4l0-21swapper/422:43:034
111391250,0ptp4l0-21swapper/421:45:394
111391250,0ptp4l0-21swapper/421:17:304
111391250,0ptp4l0-21swapper/421:12:544
111391250,0ptp4l0-21swapper/420:35:124
111391250,0ptp4l0-21swapper/419:15:004
111391250,0ptp4l0-21swapper/400:15:104
111391250,0ptp4l0-21swapper/121:58:441
111391250,0ptp4l0-21swapper/022:32:430
111391250,0ptp4l0-21swapper/021:56:170
111391250,0ptp4l0-21swapper/020:45:110
111391250,0ptp4l0-21swapper/020:45:110
111391250,0ptp4l0-21swapper/019:13:170
111391240,1ptp4l9650-21cpuspeed_turbos23:10:114
111391240,1ptp4l8602-21netstat19:35:174
111391240,1ptp4l3037-21ssh21:30:251
111391240,1ptp4l2778999cyclictest00:23:384
111391240,1ptp4l25-21ksoftirqd/123:12:161
111391240,1ptp4l20625-21if_virbr022:40:151
111391240,0ptp4l0-21swapper/722:14:037
111391240,0ptp4l0-21swapper/520:50:125
111391240,0ptp4l0-21swapper/520:27:055
111391240,0ptp4l0-21swapper/423:43:544
111391240,0ptp4l0-21swapper/423:20:144
111391240,0ptp4l0-21swapper/422:35:124
111391240,0ptp4l0-21swapper/421:05:234
111391240,0ptp4l0-21swapper/420:25:144
111391240,0ptp4l0-21swapper/420:00:174
111391240,0ptp4l0-21swapper/400:05:254
111391240,0ptp4l0-21swapper/123:20:161
111391240,0ptp4l0-21swapper/122:52:221
111391240,0ptp4l0-21swapper/122:15:001
111391240,0ptp4l0-21swapper/023:23:260
111391240,0ptp4l0-21swapper/022:09:050
111391240,0ptp4l0-21swapper/021:50:180
111391240,0ptp4l0-21swapper/021:15:130
111391240,0ptp4l0-21swapper/021:10:010
111391240,0ptp4l0-21swapper/021:00:170
111391240,0ptp4l0-21swapper/020:00:160
111391240,0ptp4l0-21swapper/019:30:130
111391240,0ptp4l0-21swapper/000:06:180
111391230,1ptp4l1806-21timerandwakeup20:30:210
111391230,0ptp4l0-21swapper/722:56:507
111391230,0ptp4l0-21swapper/721:31:137
111391230,0ptp4l0-21swapper/623:27:056
111391230,0ptp4l0-21swapper/623:27:056
111391230,0ptp4l0-21swapper/621:35:176
111391230,0ptp4l0-21swapper/620:30:156
111391230,0ptp4l0-21swapper/523:40:025
111391230,0ptp4l0-21swapper/522:52:425
111391230,0ptp4l0-21swapper/522:45:175
111391230,0ptp4l0-21swapper/522:44:235
111391230,0ptp4l0-21swapper/522:32:045
111391230,0ptp4l0-21swapper/522:18:055
111391230,0ptp4l0-21swapper/522:12:515
111391230,0ptp4l0-21swapper/522:04:595
111391230,0ptp4l0-21swapper/520:20:195
111391230,0ptp4l0-21swapper/520:05:215
111391230,0ptp4l0-21swapper/519:15:125
111391230,0ptp4l0-21swapper/423:45:014
111391230,0ptp4l0-21swapper/423:36:514
111391230,0ptp4l0-21swapper/422:08:374
111391230,0ptp4l0-21swapper/421:40:134
111391230,0ptp4l0-21swapper/421:36:384
111391230,0ptp4l0-21swapper/420:50:164
111391230,0ptp4l0-21swapper/420:45:104
111391230,0ptp4l0-21swapper/420:45:094
111391230,0ptp4l0-21swapper/420:40:134
111391230,0ptp4l0-21swapper/420:32:264
111391230,0ptp4l0-21swapper/420:05:134
111391230,0ptp4l0-21swapper/419:55:124
111391230,0ptp4l0-21swapper/419:50:134
111391230,0ptp4l0-21swapper/419:45:134
111391230,0ptp4l0-21swapper/419:40:204
111391230,0ptp4l0-21swapper/419:20:134
111391230,0ptp4l0-21swapper/419:15:164
111391230,0ptp4l0-21swapper/322:07:083
111391230,0ptp4l0-21swapper/300:33:063
111391230,0ptp4l0-21swapper/220:30:152
111391230,0ptp4l0-21swapper/220:30:012
111391230,0ptp4l0-21swapper/200:29:232
111391230,0ptp4l0-21swapper/123:43:271
111391230,0ptp4l0-21swapper/122:45:111
111391230,0ptp4l0-21swapper/122:22:431
111391230,0ptp4l0-21swapper/122:15:171
111391230,0ptp4l0-21swapper/121:40:171
111391230,0ptp4l0-21swapper/121:20:161
111391230,0ptp4l0-21swapper/121:10:171
111391230,0ptp4l0-21swapper/120:20:121
111391230,0ptp4l0-21swapper/120:10:171
111391230,0ptp4l0-21swapper/100:35:201
111391230,0ptp4l0-21swapper/100:28:341
111391230,0ptp4l0-21swapper/023:36:240
111391230,0ptp4l0-21swapper/023:25:160
111391230,0ptp4l0-21swapper/023:25:160
111391230,0ptp4l0-21swapper/023:05:130
111391230,0ptp4l0-21swapper/022:25:110
111391230,0ptp4l0-21swapper/022:10:200
111391230,0ptp4l0-21swapper/020:55:130
111391230,0ptp4l0-21swapper/020:35:110
111391230,0ptp4l0-21swapper/020:25:140
111391230,0ptp4l0-21swapper/020:15:110
111391230,0ptp4l0-21swapper/019:55:130
111391230,0ptp4l0-21swapper/019:50:190
111391230,0ptp4l0-21swapper/019:45:130
111391230,0ptp4l0-21swapper/019:35:150
111391230,0ptp4l0-21swapper/019:25:100
111391230,0ptp4l0-21swapper/019:20:210
111391220,2ptp4l0-21swapper/120:05:181
111391220,0ptp4l0-21swapper/722:06:487
111391220,0ptp4l0-21swapper/721:13:037
111391220,0ptp4l0-21swapper/700:33:197
111391220,0ptp4l0-21swapper/623:06:216
111391220,0ptp4l0-21swapper/623:03:106
111391220,0ptp4l0-21swapper/622:30:136
111391220,0ptp4l0-21swapper/622:19:046
111391220,0ptp4l0-21swapper/621:51:566
111391220,0ptp4l0-21swapper/620:01:016
111391220,0ptp4l0-21swapper/600:22:116
111391220,0ptp4l0-21swapper/523:56:255
111391220,0ptp4l0-21swapper/523:29:175
111391220,0ptp4l0-21swapper/523:29:175
111391220,0ptp4l0-21swapper/523:12:015
111391220,0ptp4l0-21swapper/523:00:035
111391220,0ptp4l0-21swapper/522:29:245
111391220,0ptp4l0-21swapper/522:22:355
111391220,0ptp4l0-21swapper/521:53:095
111391220,0ptp4l0-21swapper/521:40:215
111391220,0ptp4l0-21swapper/521:10:145
111391220,0ptp4l0-21swapper/519:37:465
111391220,0ptp4l0-21swapper/519:21:225
111391220,0ptp4l0-21swapper/500:26:065
111391220,0ptp4l0-21swapper/500:14:285
111391220,0ptp4l0-21swapper/420:55:194
111391220,0ptp4l0-21swapper/419:31:244
111391220,0ptp4l0-21swapper/419:25:134
111391220,0ptp4l0-21swapper/322:56:073
111391220,0ptp4l0-21swapper/322:13:413
111391220,0ptp4l0-21swapper/321:31:103
111391220,0ptp4l0-21swapper/223:28:552
111391220,0ptp4l0-21swapper/223:28:542
111391220,0ptp4l0-21swapper/123:56:221
111391220,0ptp4l0-21swapper/123:34:401
111391220,0ptp4l0-21swapper/123:19:271
111391220,0ptp4l0-21swapper/122:36:471
111391220,0ptp4l0-21swapper/122:30:201
111391220,0ptp4l0-21swapper/122:27:511
111391220,0ptp4l0-21swapper/122:00:031
111391220,0ptp4l0-21swapper/121:52:591
111391220,0ptp4l0-21swapper/121:48:051
111391220,0ptp4l0-21swapper/121:36:451
111391220,0ptp4l0-21swapper/121:29:161
111391220,0ptp4l0-21swapper/120:42:291
111391220,0ptp4l0-21swapper/120:25:551
111391220,0ptp4l0-21swapper/100:32:501
111391220,0ptp4l0-21swapper/100:16:171
111391220,0ptp4l0-21swapper/100:05:011
111391220,0ptp4l0-21swapper/100:01:081
111391220,0ptp4l0-21swapper/021:40:080
111391220,0ptp4l0-21swapper/020:40:100
111391220,0ptp4l0-21swapper/020:05:160
319512210,0sleep20-21swapper/222:10:192
111391210,0ptp4l0-21swapper/622:51:046
111391210,0ptp4l0-21swapper/622:36:226
111391210,0ptp4l0-21swapper/621:43:056
111391210,0ptp4l0-21swapper/621:17:536
111391210,0ptp4l0-21swapper/600:34:156
111391210,0ptp4l0-21swapper/523:46:445
111391210,0ptp4l0-21swapper/522:05:065
111391210,0ptp4l0-21swapper/521:57:075
111391210,0ptp4l0-21swapper/521:03:025
111391210,0ptp4l0-21swapper/520:37:345
111391210,0ptp4l0-21swapper/500:32:525
111391210,0ptp4l0-21swapper/500:16:235
111391210,0ptp4l0-21swapper/421:00:104
111391210,0ptp4l0-21swapper/321:12:593
111391210,0ptp4l0-21swapper/222:36:312
111391210,0ptp4l0-21swapper/222:01:582
111391210,0ptp4l0-21swapper/220:13:242
111391210,0ptp4l0-21swapper/200:22:082
111391210,0ptp4l0-21swapper/123:00:091
111391210,0ptp4l0-21swapper/121:08:251
111391210,0ptp4l0-21swapper/121:03:241
111391210,0ptp4l0-21swapper/120:03:301
111391210,0ptp4l0-21swapper/119:59:251
111391210,0ptp4l0-21swapper/119:31:001
111391210,0ptp4l0-21swapper/119:19:181
111391210,0ptp4l0-21swapper/020:54:340
111391210,0ptp4l0-21swapper/020:10:020
111391200,0ptp4l0-21swapper/621:49:196
111391200,0ptp4l0-21swapper/619:46:256
111391200,0ptp4l0-21swapper/523:16:505
111391200,0ptp4l0-21swapper/521:29:115
111391200,0ptp4l0-21swapper/520:16:555
111391200,0ptp4l0-21swapper/520:10:155
111391200,0ptp4l0-21swapper/519:52:255
111391200,0ptp4l0-21swapper/519:26:235
111391200,0ptp4l0-21swapper/519:14:255
111391200,0ptp4l0-21swapper/500:24:135
111391200,0ptp4l0-21swapper/500:09:125
111391200,0ptp4l0-21swapper/420:22:374
111391200,0ptp4l0-21swapper/223:03:102
111391200,0ptp4l0-21swapper/221:51:512
111391200,0ptp4l0-21swapper/220:01:032
111391200,0ptp4l0-21swapper/200:34:112
111391200,0ptp4l0-21swapper/123:28:101
111391200,0ptp4l0-21swapper/123:28:091
111391200,0ptp4l0-21swapper/122:58:371
111391200,0ptp4l0-21swapper/120:59:561
111391200,0ptp4l0-21swapper/120:38:011
111391200,0ptp4l0-21swapper/119:37:331
111391200,0ptp4l0-21swapper/119:21:241
111391200,0ptp4l0-21swapper/100:11:481
111391200,0ptp4l0-21swapper/020:24:020
111391190,0ptp4l0-21swapper/622:01:566
111391190,0ptp4l0-21swapper/222:08:132
111391190,0ptp4l0-21swapper/219:47:242
111391190,0ptp4l0-21swapper/119:54:251
111391190,0ptp4l0-21swapper/119:11:211
111391190,0ptp4l0-21swapper/100:21:101
111391180,0ptp4l0-21swapper/519:44:025
111391180,0ptp4l0-21swapper/519:32:265
111391180,0ptp4l0-21swapper/221:49:182
111391180,0ptp4l0-21swapper/120:50:121
111391170,2ptp4l0-21swapper/119:28:221
111391170,0ptp4l0-21swapper/222:55:072
111391170,0ptp4l0-21swapper/222:51:022
111391170,0ptp4l0-21swapper/120:47:271
111391170,0ptp4l0-21swapper/120:47:261
111391170,0ptp4l0-21swapper/120:19:271
83362160,1sleep233-21ksoftirqd/200:38:002
111391160,0ptp4l0-21swapper/620:49:036
111391160,0ptp4l0-21swapper/620:49:026
111391160,0ptp4l0-21swapper/520:46:525
111391160,0ptp4l0-21swapper/520:46:515
111391160,0ptp4l0-21swapper/520:31:005
111391160,0ptp4l0-21swapper/223:46:502
111391160,0ptp4l0-21swapper/120:31:011
111391160,0ptp4l0-21swapper/119:49:001
111391150,0ptp4l0-21swapper/620:13:196
111391150,0ptp4l0-21swapper/619:30:356
111391150,0ptp4l0-21swapper/521:07:485
111391150,0ptp4l0-21swapper/520:57:005
111391150,0ptp4l0-21swapper/520:01:435
111391150,0ptp4l0-21swapper/519:55:525
111391150,0ptp4l0-21swapper/519:46:435
111391150,0ptp4l0-21swapper/220:49:042
111391150,0ptp4l0-21swapper/220:49:032
111391150,0ptp4l0-21swapper/119:41:471
111391140,0ptp4l0-21swapper/621:03:166
111391140,0ptp4l0-21swapper/619:39:336
111391140,0ptp4l0-21swapper/221:43:032
111391140,0ptp4l0-21swapper/221:03:142
111391140,0ptp4l0-21swapper/219:39:322
111391140,0ptp4l0-21swapper/219:30:322
2778199109,0cyclictest0-21swapper/323:46:523
2778199109,0cyclictest0-21swapper/322:16:313
2778199109,0cyclictest0-21swapper/321:24:393
2778199109,0cyclictest0-21swapper/300:26:473
2778199109,0cyclictest0-21swapper/300:03:513
2778199100,9cyclictest0-21swapper/323:15:083
2778199100,9cyclictest0-21swapper/323:07:543
2778199100,9cyclictest0-21swapper/321:56:143
2778199100,9cyclictest0-21swapper/321:42:053
2778199100,9cyclictest0-21swapper/300:39:503
2778199100,9cyclictest0-21swapper/300:20:213
2778199100,9cyclictest0-21swapper/300:13:543
2778199100,0cyclictest11050-21sendmail_mailqu19:40:173
2778199100,0cyclictest0-21swapper/323:50:203
278099990,8cyclictest0-21swapper/722:48:007
278099990,8cyclictest0-21swapper/700:28:357
278099990,0cyclictest0-21swapper/721:37:367
278029991,7cyclictest0-21swapper/600:35:576
277819998,0cyclictest0-21swapper/323:00:393
277819998,0cyclictest0-21swapper/321:45:333
277819998,0cyclictest0-21swapper/300:07:173
277749990,8cyclictest0-21swapper/223:38:192
278099987,0cyclictest0-21swapper/723:06:427
278099987,0cyclictest0-21swapper/722:44:237
278099987,0cyclictest0-21swapper/721:22:127
278099986,1cyclictest0-21swapper/719:35:197
278099980,7cyclictest0-21swapper/721:52:507
278099980,7cyclictest0-21swapper/700:39:077
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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