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2026-09-22 - 07:05

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 Tue Sep 22, 2026 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42982720,0sleep10-21swapper/122:10:181
111391620,5ptp4l0-21swapper/419:06:124
192826050,6sleep20-21swapper/219:05:512
111391600,29ptp4l0-21swapper/019:08:240
1881915836,6phc2sys0-21swapper/119:07:231
238752560,1sleep557-21ksoftirqd/522:40:115
238752560,1sleep557-21ksoftirqd/522:40:115
209325039,6sleep70-21swapper/719:07:557
216224938,7sleep30-21swapper/319:08:473
216524735,7sleep60-21swapper/619:08:506
214624635,7sleep50-21swapper/519:08:345
111391340,0ptp4l0-21swapper/023:55:200
111391320,0ptp4l0-21swapper/421:25:104
111391320,0ptp4l0-21swapper/322:38:313
111391320,0ptp4l0-21swapper/123:22:191
111391310,0ptp4l0-21swapper/422:47:024
111391310,0ptp4l0-21swapper/422:40:164
111391310,0ptp4l0-21swapper/422:40:154
111391310,0ptp4l0-21swapper/120:15:191
111391300,3ptp4l0-21swapper/422:53:394
111391300,0ptp4l0-21swapper/422:12:004
111391300,0ptp4l0-21swapper/422:05:214
111391300,0ptp4l0-21swapper/420:45:194
111391290,1ptp4l4936-21sensors23:45:183
111391290,0ptp4l0-21swapper/423:54:554
111391290,0ptp4l0-21swapper/423:10:384
111391290,0ptp4l0-21swapper/423:09:134
111391290,0ptp4l0-21swapper/422:39:154
111391290,0ptp4l0-21swapper/421:51:164
111391290,0ptp4l0-21swapper/421:15:014
111391290,0ptp4l0-21swapper/400:33:484
111391290,0ptp4l0-21swapper/400:26:034
111391290,0ptp4l0-21swapper/400:22:194
111391290,0ptp4l0-21swapper/400:05:124
111391290,0ptp4l0-21swapper/123:47:461
111391290,0ptp4l0-21swapper/022:08:570
111391280,0ptp4l0-21swapper/423:40:414
111391280,0ptp4l0-21swapper/423:36:544
111391280,0ptp4l0-21swapper/421:57:264
111391280,0ptp4l0-21swapper/421:40:324
111391280,0ptp4l0-21swapper/421:21:314
111391280,0ptp4l0-21swapper/400:15:534
111391280,0ptp4l0-21swapper/400:02:524
111391280,0ptp4l0-21swapper/123:59:131
111391280,0ptp4l0-21swapper/022:54:320
111391280,0ptp4l0-21swapper/022:34:360
111391280,0ptp4l0-21swapper/021:57:500
111391280,0ptp4l0-21swapper/021:44:520
111391280,0ptp4l0-21swapper/019:25:170
111391280,0ptp4l0-21swapper/000:36:190
111391270,0ptp4l0-21swapper/721:50:217
111391270,0ptp4l0-21swapper/500:35:215
111391270,0ptp4l0-21swapper/423:00:494
111391270,0ptp4l0-21swapper/422:15:184
111391270,0ptp4l0-21swapper/421:48:344
111391270,0ptp4l0-21swapper/323:44:403
111391270,0ptp4l0-21swapper/123:15:501
111391270,0ptp4l0-21swapper/023:26:040
111391270,0ptp4l0-21swapper/023:15:130
111391270,0ptp4l0-21swapper/023:13:380
111391270,0ptp4l0-21swapper/022:13:290
111391260,0ptp4l0-21swapper/423:23:164
111391260,0ptp4l0-21swapper/423:15:204
111391260,0ptp4l0-21swapper/421:36:584
111391260,0ptp4l0-21swapper/300:28:563
111391260,0ptp4l0-21swapper/121:33:091
111391260,0ptp4l0-21swapper/000:21:470
111391250,1ptp4l4760-21latency_hist23:00:014
111391250,1ptp4l28853-21df_inode22:00:124
111391250,0ptp4l0-21swapper/423:47:024
111391250,0ptp4l0-21swapper/423:30:124
111391250,0ptp4l0-21swapper/423:28:544
111391250,0ptp4l0-21swapper/422:27:124
111391250,0ptp4l0-21swapper/421:00:214
111391250,0ptp4l0-21swapper/420:00:174
111391250,0ptp4l0-21swapper/420:00:164
111391250,0ptp4l0-21swapper/023:49:090
111391250,0ptp4l0-21swapper/023:05:180
111391250,0ptp4l0-21swapper/022:59:050
111391250,0ptp4l0-21swapper/022:20:140
111391250,0ptp4l0-21swapper/021:51:550
111391250,0ptp4l0-21swapper/020:55:210
111391250,0ptp4l0-21swapper/000:04:230
111391240,1ptp4l5198-21irqrtprio00:35:161
111391240,1ptp4l28168-21/usr/sbin/munin22:45:180
111391240,1ptp4l25-21ksoftirqd/100:25:001
111391240,1ptp4l23353-21latency_hist22:40:010
111391240,0ptp4l12068-1kworker/u17:222:25:327
111391240,0ptp4l0-21swapper/723:51:117
111391240,0ptp4l0-21swapper/720:10:137
111391240,0ptp4l0-21swapper/523:17:225
111391240,0ptp4l0-21swapper/520:30:015
111391240,0ptp4l0-21swapper/422:24:044
111391240,0ptp4l0-21swapper/421:30:224
111391240,0ptp4l0-21swapper/420:56:374
111391240,0ptp4l0-21swapper/322:24:563
111391240,0ptp4l0-21swapper/321:45:133
111391240,0ptp4l0-21swapper/321:35:483
111391240,0ptp4l0-21swapper/320:43:423
111391240,0ptp4l0-21swapper/122:45:111
111391240,0ptp4l0-21swapper/119:31:391
111391240,0ptp4l0-21swapper/022:40:160
111391240,0ptp4l0-21swapper/022:40:150
111391240,0ptp4l0-21swapper/022:19:430
111391240,0ptp4l0-21swapper/021:31:400
111391240,0ptp4l0-21swapper/020:03:160
111391240,0ptp4l0-21swapper/020:03:150
111391240,0ptp4l0-21swapper/019:10:200
111391240,0ptp4l0-21swapper/000:25:210
111391240,0ptp4l0-21swapper/000:05:380
111391230,1ptp4l32038-21ls20:10:190
111391230,1ptp4l15831-21uname19:35:191
111391230,1ptp4l15703-21netstat21:40:162
111391230,1ptp4l10798-21cat20:35:160
111391230,0ptp4l0-21swapper/723:45:137
111391230,0ptp4l0-21swapper/723:44:027
111391230,0ptp4l0-21swapper/722:36:577
111391230,0ptp4l0-21swapper/721:45:137
111391230,0ptp4l0-21swapper/721:35:107
111391230,0ptp4l0-21swapper/721:35:007
111391230,0ptp4l0-21swapper/621:40:106
111391230,0ptp4l0-21swapper/620:20:136
111391230,0ptp4l0-21swapper/620:05:166
111391230,0ptp4l0-21swapper/523:50:145
111391230,0ptp4l0-21swapper/523:20:155
111391230,0ptp4l0-21swapper/523:00:145
111391230,0ptp4l0-21swapper/522:20:195
111391230,0ptp4l0-21swapper/522:10:195
111391230,0ptp4l0-21swapper/522:01:015
111391230,0ptp4l0-21swapper/521:15:205
111391230,0ptp4l0-21swapper/521:10:135
111391230,0ptp4l0-21swapper/519:40:225
111391230,0ptp4l0-21swapper/519:35:015
111391230,0ptp4l0-21swapper/500:34:565
111391230,0ptp4l0-21swapper/500:25:115
111391230,0ptp4l0-21swapper/423:59:254
111391230,0ptp4l0-21swapper/422:30:204
111391230,0ptp4l0-21swapper/421:10:154
111391230,0ptp4l0-21swapper/421:05:194
111391230,0ptp4l0-21swapper/420:30:194
111391230,0ptp4l0-21swapper/419:48:474
111391230,0ptp4l0-21swapper/419:30:204
111391230,0ptp4l0-21swapper/419:15:004
111391230,0ptp4l0-21swapper/419:10:144
111391230,0ptp4l0-21swapper/400:35:344
111391230,0ptp4l0-21swapper/400:10:134
111391230,0ptp4l0-21swapper/322:25:163
111391230,0ptp4l0-21swapper/321:00:143
111391230,0ptp4l0-21swapper/221:29:572
111391230,0ptp4l0-21swapper/123:35:131
111391230,0ptp4l0-21swapper/123:10:011
111391230,0ptp4l0-21swapper/123:00:141
111391230,0ptp4l0-21swapper/122:09:111
111391230,0ptp4l0-21swapper/121:10:001
111391230,0ptp4l0-21swapper/120:52:291
111391230,0ptp4l0-21swapper/120:42:001
111391230,0ptp4l0-21swapper/119:40:111
111391230,0ptp4l0-21swapper/100:00:141
111391230,0ptp4l0-21swapper/023:50:300
111391230,0ptp4l0-21swapper/023:40:110
111391230,0ptp4l0-21swapper/023:30:140
111391230,0ptp4l0-21swapper/023:03:150
111391230,0ptp4l0-21swapper/021:47:430
111391230,0ptp4l0-21swapper/021:25:170
111391230,0ptp4l0-21swapper/021:20:130
111391230,0ptp4l0-21swapper/021:19:590
111391230,0ptp4l0-21swapper/021:11:320
111391230,0ptp4l0-21swapper/020:30:200
111391230,0ptp4l0-21swapper/020:25:150
111391230,0ptp4l0-21swapper/019:50:200
111391230,0ptp4l0-21swapper/019:38:390
111391230,0ptp4l0-21swapper/019:30:190
111391230,0ptp4l0-21swapper/019:15:180
111391230,0ptp4l0-21swapper/000:30:220
111391230,0ptp4l0-21swapper/000:15:210
2565992217,4cyclictest3414-21fw_packets20:20:124
111391220,3ptp4l0-21swapper/420:09:514
111391220,0ptp4l0-21swapper/723:20:197
111391220,0ptp4l0-21swapper/722:24:587
111391220,0ptp4l0-21swapper/721:16:367
111391220,0ptp4l0-21swapper/721:00:137
111391220,0ptp4l0-21swapper/623:57:406
111391220,0ptp4l0-21swapper/621:29:486
111391220,0ptp4l0-21swapper/600:18:586
111391220,0ptp4l0-21swapper/523:49:505
111391220,0ptp4l0-21swapper/523:35:185
111391220,0ptp4l0-21swapper/523:10:035
111391220,0ptp4l0-21swapper/522:58:245
111391220,0ptp4l0-21swapper/522:46:395
111391220,0ptp4l0-21swapper/522:26:525
111391220,0ptp4l0-21swapper/521:43:505
111391220,0ptp4l0-21swapper/521:37:205
111391220,0ptp4l0-21swapper/521:30:185
111391220,0ptp4l0-21swapper/521:20:195
111391220,0ptp4l0-21swapper/520:50:115
111391220,0ptp4l0-21swapper/519:35:185
111391220,0ptp4l0-21swapper/519:20:155
111391220,0ptp4l0-21swapper/500:13:085
111391220,0ptp4l0-21swapper/500:00:075
111391220,0ptp4l0-21swapper/420:43:024
111391220,0ptp4l0-21swapper/420:35:134
111391220,0ptp4l0-21swapper/420:25:194
111391220,0ptp4l0-21swapper/420:15:014
111391220,0ptp4l0-21swapper/419:55:184
111391220,0ptp4l0-21swapper/419:50:124
111391220,0ptp4l0-21swapper/419:35:154
111391220,0ptp4l0-21swapper/419:25:124
111391220,0ptp4l0-21swapper/323:51:023
111391220,0ptp4l0-21swapper/323:20:223
111391220,0ptp4l0-21swapper/322:01:323
111391220,0ptp4l0-21swapper/321:50:123
111391220,0ptp4l0-21swapper/321:34:253
111391220,0ptp4l0-21swapper/300:33:453
111391220,0ptp4l0-21swapper/220:20:122
111391220,0ptp4l0-21swapper/220:05:132
111391220,0ptp4l0-21swapper/123:50:191
111391220,0ptp4l0-21swapper/123:43:171
111391220,0ptp4l0-21swapper/123:31:521
111391220,0ptp4l0-21swapper/123:09:471
111391220,0ptp4l0-21swapper/122:43:431
111391220,0ptp4l0-21swapper/122:43:421
111391220,0ptp4l0-21swapper/122:35:341
111391220,0ptp4l0-21swapper/122:27:351
111391220,0ptp4l0-21swapper/122:22:051
111391220,0ptp4l0-21swapper/121:52:491
111391220,0ptp4l0-21swapper/121:39:211
111391220,0ptp4l0-21swapper/121:26:491
111391220,0ptp4l0-21swapper/121:20:181
111391220,0ptp4l0-21swapper/121:16:051
111391220,0ptp4l0-21swapper/121:10:141
111391220,0ptp4l0-21swapper/120:50:001
111391220,0ptp4l0-21swapper/100:30:341
111391220,0ptp4l0-21swapper/100:17:491
111391220,0ptp4l0-21swapper/100:05:121
111391220,0ptp4l0-21swapper/023:35:420
111391220,0ptp4l0-21swapper/023:21:190
111391220,0ptp4l0-21swapper/022:00:200
111391220,0ptp4l0-21swapper/021:36:000
111391220,0ptp4l0-21swapper/021:04:590
111391220,0ptp4l0-21swapper/020:45:180
111391220,0ptp4l0-21swapper/020:40:160
111391220,0ptp4l0-21swapper/020:20:170
111391220,0ptp4l0-21swapper/020:15:120
111391220,0ptp4l0-21swapper/019:55:110
111391220,0ptp4l0-21swapper/019:50:010
111391220,0ptp4l0-21swapper/000:13:020
257299210,0cyclictest0-21swapper/521:25:175
111391210,3ptp4l641ktimersoftd/619:31:146
111391210,2ptp4l0-21swapper/120:10:201
111391210,1ptp4l17978-21awk20:50:184
111391210,0ptp4l0-21swapper/722:18:217
111391210,0ptp4l0-21swapper/722:01:527
111391210,0ptp4l0-21swapper/700:17:237
111391210,0ptp4l0-21swapper/621:47:066
111391210,0ptp4l0-21swapper/621:00:226
111391210,0ptp4l0-21swapper/620:55:306
111391210,0ptp4l0-21swapper/600:37:306
111391210,0ptp4l0-21swapper/600:12:566
111391210,0ptp4l0-21swapper/523:55:485
111391210,0ptp4l0-21swapper/523:32:535
111391210,0ptp4l0-21swapper/522:07:305
111391210,0ptp4l0-21swapper/521:52:585
111391210,0ptp4l0-21swapper/520:15:205
111391210,0ptp4l0-21swapper/520:10:005
111391210,0ptp4l0-21swapper/519:52:285
111391210,0ptp4l0-21swapper/500:18:025
111391210,0ptp4l0-21swapper/420:14:274
111391210,0ptp4l0-21swapper/419:40:074
111391210,0ptp4l0-21swapper/419:23:404
111391210,0ptp4l0-21swapper/321:16:283
111391210,0ptp4l0-21swapper/320:10:153
111391210,0ptp4l0-21swapper/221:24:412
111391210,0ptp4l0-21swapper/220:11:372
111391210,0ptp4l0-21swapper/200:18:592
111391210,0ptp4l0-21swapper/200:04:062
111391210,0ptp4l0-21swapper/123:26:481
111391210,0ptp4l0-21swapper/122:57:211
111391210,0ptp4l0-21swapper/122:53:251
111391210,0ptp4l0-21swapper/122:32:371
111391210,0ptp4l0-21swapper/122:01:011
111391210,0ptp4l0-21swapper/121:56:271
111391210,0ptp4l0-21swapper/121:42:141
111391210,0ptp4l0-21swapper/120:59:291
111391210,0ptp4l0-21swapper/119:51:391
111391210,0ptp4l0-21swapper/119:20:131
111391210,0ptp4l0-21swapper/119:12:281
111391210,0ptp4l0-21swapper/100:24:531
111391210,0ptp4l0-21swapper/022:29:130
111391210,0ptp4l0-21swapper/021:00:480
111391210,0ptp4l0-21swapper/020:05:110
111391200,0ptp4l25-21ksoftirqd/121:47:211
111391200,0ptp4l0-21swapper/723:58:537
111391200,0ptp4l0-21swapper/700:28:577
111391200,0ptp4l0-21swapper/623:34:436
111391200,0ptp4l0-21swapper/622:51:066
111391200,0ptp4l0-21swapper/621:24:366
111391200,0ptp4l0-21swapper/619:27:236
111391200,0ptp4l0-21swapper/600:03:546
111391200,0ptp4l0-21swapper/523:42:535
111391200,0ptp4l0-21swapper/522:52:465
111391200,0ptp4l0-21swapper/522:35:435
111391200,0ptp4l0-21swapper/522:33:155
111391200,0ptp4l0-21swapper/520:40:135
111391200,0ptp4l0-21swapper/520:34:035
111391200,0ptp4l0-21swapper/322:18:353
111391200,0ptp4l0-21swapper/300:17:223
111391200,0ptp4l0-21swapper/223:57:312
111391200,0ptp4l0-21swapper/223:41:002
111391200,0ptp4l0-21swapper/223:34:582
111391200,0ptp4l0-21swapper/222:51:072
111391200,0ptp4l0-21swapper/221:47:042
111391200,0ptp4l0-21swapper/221:00:222
111391200,0ptp4l0-21swapper/122:18:101
111391200,0ptp4l0-21swapper/120:21:431
111391200,0ptp4l0-21swapper/119:49:281
111391200,0ptp4l0-21swapper/020:50:170
111391200,0ptp4l0-21swapper/019:40:000
111391190,0ptp4l0-21swapper/522:18:085
111391190,0ptp4l0-21swapper/521:58:565
111391190,0ptp4l0-21swapper/521:01:045
111391190,0ptp4l0-21swapper/500:21:405
111391190,0ptp4l0-21swapper/323:58:483
111391190,0ptp4l0-21swapper/200:37:272
111391190,0ptp4l0-21swapper/120:01:431
111391190,0ptp4l0-21swapper/120:01:421
111391190,0ptp4l0-21swapper/119:18:091
111391190,0ptp4l0-21swapper/100:13:181
111391190,0ptp4l0-21swapper/019:21:390
111391180,0ptp4l0-21swapper/623:35:016
111391180,0ptp4l0-21swapper/523:26:475
111391180,0ptp4l0-21swapper/500:07:315
111391180,0ptp4l0-21swapper/221:31:152
111391170,0ptp4l321ktimersoftd/223:35:042
111391170,0ptp4l0-21swapper/700:33:437
111391170,0ptp4l0-21swapper/623:42:166
111391170,0ptp4l0-21swapper/200:13:012
111391170,0ptp4l0-21swapper/120:27:301
111391160,0ptp4l0-21swapper/720:43:307
111391160,0ptp4l0-21swapper/621:31:156
111391160,0ptp4l0-21swapper/520:59:275
111391160,0ptp4l0-21swapper/520:49:125
111391160,0ptp4l0-21swapper/520:24:235
111391160,0ptp4l0-21swapper/520:13:075
111391160,0ptp4l0-21swapper/520:03:535
111391160,0ptp4l0-21swapper/520:03:525
111391160,0ptp4l0-21swapper/519:55:295
111391160,0ptp4l0-21swapper/519:12:165
111391160,0ptp4l0-21swapper/120:30:091
111391160,0ptp4l0-21swapper/120:09:591
111391160,0ptp4l0-21swapper/119:55:271
2578991513,1cyclictest0-21swapper/622:10:216
111391150,0ptp4l0-21swapper/720:45:047
111391150,0ptp4l0-21swapper/719:14:037
111391150,0ptp4l0-21swapper/621:08:366
111391150,0ptp4l0-21swapper/620:47:576
111391150,0ptp4l0-21swapper/620:43:166
111391150,0ptp4l0-21swapper/620:11:316
111391150,0ptp4l0-21swapper/619:58:256
111391150,0ptp4l0-21swapper/619:15:526
111391150,0ptp4l0-21swapper/521:07:505
111391150,0ptp4l0-21swapper/520:35:035
111391150,0ptp4l0-21swapper/519:45:415
111391150,0ptp4l0-21swapper/519:26:025
111391150,0ptp4l0-21swapper/519:17:535
111391150,0ptp4l0-21swapper/319:14:043
111391150,0ptp4l0-21swapper/220:55:212
111391150,0ptp4l0-21swapper/220:50:392
111391150,0ptp4l0-21swapper/220:42:062
111391150,0ptp4l0-21swapper/219:58:242
111391150,0ptp4l0-21swapper/219:31:172
111391150,0ptp4l0-21swapper/219:15:502
111391150,0ptp4l0-21swapper/121:01:031
111391150,0ptp4l0-21swapper/120:35:511
111391150,0ptp4l0-21swapper/119:25:581
257899140,1cyclictest0-21swapper/622:25:166
257299140,1cyclictest0-21swapper/521:45:405
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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