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2026-07-13 - 14:46

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 Jul 13, 2026 00:46:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2584221150,0sleep10-21swapper/100:30:011
212262740,0sleep70-21swapper/721:35:597
111391620,5ptp4l0-21swapper/219:07:182
111391620,5ptp4l0-21swapper/219:07:172
111391610,6ptp4l0-21swapper/419:05:214
111391610,6ptp4l0-21swapper/419:05:214
111391610,30ptp4l0-21swapper/119:06:141
111391610,30ptp4l0-21swapper/119:06:141
183472580,1sleep557-21ksoftirqd/521:33:405
111391560,5ptp4l0-21swapper/019:10:000
111391560,5ptp4l0-21swapper/019:09:590
767425545,6sleep70-21swapper/719:05:267
767425545,6sleep70-21swapper/719:05:257
791325231,7sleep50-21swapper/519:08:295
791325231,7sleep50-21swapper/519:08:285
612624937,7sleep60-21swapper/619:05:086
612624937,7sleep60-21swapper/619:05:086
772724635,7sleep30-21swapper/319:06:033
772724635,7sleep30-21swapper/319:06:023
111391370,0ptp4l0-21swapper/022:15:010
111391350,0ptp4l0-21swapper/400:30:204
111391350,0ptp4l0-21swapper/023:28:240
111391340,0ptp4l0-21swapper/420:10:004
111391340,0ptp4l0-21swapper/400:15:014
111391340,0ptp4l0-21swapper/023:34:530
111391330,8ptp4l0-21swapper/422:15:144
111391330,0ptp4l0-21swapper/422:51:344
111391330,0ptp4l0-21swapper/400:22:114
111391330,0ptp4l0-21swapper/400:22:104
111391330,0ptp4l0-21swapper/400:15:184
111391330,0ptp4l0-21swapper/400:15:174
111391330,0ptp4l0-21swapper/021:31:390
111391320,0ptp4l0-21swapper/423:58:404
111391320,0ptp4l0-21swapper/423:18:084
111391320,0ptp4l0-21swapper/422:01:234
111391320,0ptp4l0-21swapper/023:58:250
111391320,0ptp4l0-21swapper/023:15:480
111391320,0ptp4l0-21swapper/022:15:280
111391320,0ptp4l0-21swapper/021:38:050
111391310,0ptp4l0-21swapper/723:24:037
111391310,0ptp4l0-21swapper/423:21:154
111391310,0ptp4l0-21swapper/421:40:024
111391310,0ptp4l0-21swapper/421:40:014
111391310,0ptp4l0-21swapper/421:18:284
111391310,0ptp4l0-21swapper/022:56:330
111391310,0ptp4l0-21swapper/022:25:190
111391310,0ptp4l0-21swapper/021:48:380
111391310,0ptp4l0-21swapper/000:21:420
111391310,0ptp4l0-21swapper/000:21:420
111391300,2ptp4l0-21swapper/023:41:300
111391300,0ptp4l0-21swapper/422:27:524
111391300,0ptp4l0-21swapper/422:21:184
111391300,0ptp4l0-21swapper/422:10:474
111391300,0ptp4l0-21swapper/022:40:010
111391300,0ptp4l0-21swapper/022:21:030
111391300,0ptp4l0-21swapper/000:39:200
111391290,3ptp4l0-21swapper/422:37:544
111391290,1ptp4l0-21swapper/023:53:320
111391290,0ptp4l0-21swapper/421:48:044
111391290,0ptp4l0-21swapper/421:22:004
111391290,0ptp4l0-21swapper/421:05:124
111391290,0ptp4l0-21swapper/023:01:460
111391290,0ptp4l0-21swapper/022:33:440
111391290,0ptp4l0-21swapper/019:25:090
111391280,2ptp4l0-21swapper/022:50:340
111391280,0ptp4l31412-21diskmemload22:45:484
111391280,0ptp4l0-21swapper/423:02:554
111391280,0ptp4l0-21swapper/422:43:374
111391280,0ptp4l0-21swapper/419:25:194
111391280,0ptp4l0-21swapper/022:48:300
111391280,0ptp4l0-21swapper/021:42:250
111391280,0ptp4l0-21swapper/021:42:240
111391280,0ptp4l0-21swapper/000:26:440
111391280,0ptp4l0-21swapper/000:00:400
111391270,0ptp4l0-21swapper/423:30:464
111391270,0ptp4l0-21swapper/423:14:154
111391270,0ptp4l0-21swapper/423:08:254
111391270,0ptp4l0-21swapper/421:50:044
111391270,0ptp4l0-21swapper/421:33:344
111391270,0ptp4l0-21swapper/400:26:124
111391270,0ptp4l0-21swapper/023:36:090
111391270,0ptp4l0-21swapper/022:07:440
111391270,0ptp4l0-21swapper/022:02:300
111391270,0ptp4l0-21swapper/021:23:360
111391270,0ptp4l0-21swapper/021:11:430
111391270,0ptp4l0-21swapper/020:36:550
111391270,0ptp4l0-21swapper/000:06:060
111391260,1ptp4l0-21swapper/421:14:034
111391260,0ptp4l0-21swapper/422:55:154
111391260,0ptp4l0-21swapper/421:36:514
111391260,0ptp4l0-21swapper/400:07:084
111391260,0ptp4l0-21swapper/023:13:390
111391260,0ptp4l0-21swapper/020:50:200
111391260,0ptp4l0-21swapper/020:15:170
111391260,0ptp4l0-21swapper/020:07:360
111391260,0ptp4l0-21swapper/000:13:500
111391250,1ptp4l10725-21smartctl22:05:124
111391250,0ptp4l0-21swapper/721:20:117
111391250,0ptp4l0-21swapper/521:45:015
111391250,0ptp4l0-21swapper/521:45:005
111391250,0ptp4l0-21swapper/423:53:494
111391250,0ptp4l0-21swapper/423:40:144
111391250,0ptp4l0-21swapper/422:30:144
111391250,0ptp4l0-21swapper/420:45:144
111391250,0ptp4l0-21swapper/420:44:364
111391250,0ptp4l0-21swapper/420:02:174
111391250,0ptp4l0-21swapper/419:57:474
111391250,0ptp4l0-21swapper/419:43:324
111391250,0ptp4l0-21swapper/400:35:174
111391250,0ptp4l0-21swapper/123:05:201
111391250,0ptp4l0-21swapper/121:45:191
111391250,0ptp4l0-21swapper/020:55:140
111391250,0ptp4l0-21swapper/020:49:320
111391250,0ptp4l0-21swapper/020:10:220
111391250,0ptp4l0-21swapper/019:20:360
111391240,3ptp4l0-21swapper/419:21:194
111391240,2ptp4l0-21swapper/121:43:571
111391240,2ptp4l0-21swapper/121:43:571
111391240,1ptp4l8881-21latency23:25:177
111391240,1ptp4l15496-21sed20:35:000
111391240,0ptp4l13339-21awk19:20:004
111391240,0ptp4l0-21swapper/622:25:476
111391240,0ptp4l0-21swapper/423:35:284
111391240,0ptp4l0-21swapper/421:30:014
111391240,0ptp4l0-21swapper/420:50:204
111391240,0ptp4l0-21swapper/420:31:014
111391240,0ptp4l0-21swapper/419:50:124
111391240,0ptp4l0-21swapper/419:38:014
111391240,0ptp4l0-21swapper/419:10:144
111391240,0ptp4l0-21swapper/400:00:214
111391240,0ptp4l0-21swapper/321:20:163
111391240,0ptp4l0-21swapper/023:49:180
111391240,0ptp4l0-21swapper/023:05:090
111391240,0ptp4l0-21swapper/021:58:570
111391240,0ptp4l0-21swapper/021:54:420
111391240,0ptp4l0-21swapper/021:29:580
111391240,0ptp4l0-21swapper/019:32:220
111391230,1ptp4l13205-21/usr/sbin/munin22:50:141
111391230,0ptp4l31412-21diskmemload23:50:171
111391230,0ptp4l121rcu_preempt21:55:164
111391230,0ptp4l0-21swapper/622:03:076
111391230,0ptp4l0-21swapper/621:15:146
111391230,0ptp4l0-21swapper/523:17:205
111391230,0ptp4l0-21swapper/521:17:105
111391230,0ptp4l0-21swapper/520:40:155
111391230,0ptp4l0-21swapper/519:25:115
111391230,0ptp4l0-21swapper/423:25:554
111391230,0ptp4l0-21swapper/420:55:134
111391230,0ptp4l0-21swapper/420:35:204
111391230,0ptp4l0-21swapper/420:28:274
111391230,0ptp4l0-21swapper/420:20:174
111391230,0ptp4l0-21swapper/420:15:134
111391230,0ptp4l0-21swapper/420:10:194
111391230,0ptp4l0-21swapper/419:30:124
111391230,0ptp4l0-21swapper/323:24:543
111391230,0ptp4l0-21swapper/221:15:162
111391230,0ptp4l0-21swapper/123:45:121
111391230,0ptp4l0-21swapper/123:19:251
111391230,0ptp4l0-21swapper/122:35:181
111391230,0ptp4l0-21swapper/121:10:221
111391230,0ptp4l0-21swapper/023:20:150
111391230,0ptp4l0-21swapper/022:35:120
111391230,0ptp4l0-21swapper/021:18:200
111391230,0ptp4l0-21swapper/021:05:140
111391230,0ptp4l0-21swapper/021:03:460
111391230,0ptp4l0-21swapper/020:22:430
111391230,0ptp4l0-21swapper/020:00:070
111391230,0ptp4l0-21swapper/019:55:200
111391230,0ptp4l0-21swapper/019:45:120
111391230,0ptp4l0-21swapper/019:35:150
111391230,0ptp4l0-21swapper/019:15:120
111391230,0ptp4l0-21swapper/019:12:030
111391230,0ptp4l0-21swapper/000:30:130
111391230,0ptp4l0-21swapper/000:15:140
111391230,0ptp4l0-21swapper/000:15:130
111391220,1ptp4l23605-21ssh23:45:022
111391220,0ptp4l31412-21diskmemload23:29:012
111391220,0ptp4l0-21swapper/700:29:037
111391220,0ptp4l0-21swapper/623:33:416
111391220,0ptp4l0-21swapper/622:44:546
111391220,0ptp4l0-21swapper/622:24:536
111391220,0ptp4l0-21swapper/621:14:176
111391220,0ptp4l0-21swapper/620:36:586
111391220,0ptp4l0-21swapper/600:25:006
111391220,0ptp4l0-21swapper/600:23:346
111391220,0ptp4l0-21swapper/600:23:346
111391220,0ptp4l0-21swapper/523:45:205
111391220,0ptp4l0-21swapper/522:18:025
111391220,0ptp4l0-21swapper/522:06:445
111391220,0ptp4l0-21swapper/521:56:105
111391220,0ptp4l0-21swapper/521:21:215
111391220,0ptp4l0-21swapper/519:37:035
111391220,0ptp4l0-21swapper/500:39:145
111391220,0ptp4l0-21swapper/500:17:215
111391220,0ptp4l0-21swapper/500:17:205
111391220,0ptp4l0-21swapper/500:08:545
111391220,0ptp4l0-21swapper/500:03:195
111391220,0ptp4l0-21swapper/423:45:064
111391220,0ptp4l0-21swapper/421:00:104
111391220,0ptp4l0-21swapper/419:45:094
111391220,0ptp4l0-21swapper/323:25:143
111391220,0ptp4l0-21swapper/223:44:592
111391220,0ptp4l0-21swapper/223:33:392
111391220,0ptp4l0-21swapper/223:14:412
111391220,0ptp4l0-21swapper/222:44:472
111391220,0ptp4l0-21swapper/222:39:522
111391220,0ptp4l0-21swapper/221:52:422
111391220,0ptp4l0-21swapper/221:14:232
111391220,0ptp4l0-21swapper/200:23:302
111391220,0ptp4l0-21swapper/200:23:292
111391220,0ptp4l0-21swapper/123:57:101
111391220,0ptp4l0-21swapper/123:42:501
111391220,0ptp4l0-21swapper/123:29:211
111391220,0ptp4l0-21swapper/123:14:561
111391220,0ptp4l0-21swapper/123:00:261
111391220,0ptp4l0-21swapper/122:40:091
111391220,0ptp4l0-21swapper/122:33:271
111391220,0ptp4l0-21swapper/122:21:501
111391220,0ptp4l0-21swapper/122:18:521
111391220,0ptp4l0-21swapper/122:00:101
111391220,0ptp4l0-21swapper/121:37:121
111391220,0ptp4l0-21swapper/121:31:031
111391220,0ptp4l0-21swapper/121:21:201
111391220,0ptp4l0-21swapper/121:15:351
111391220,0ptp4l0-21swapper/120:30:221
111391220,0ptp4l0-21swapper/100:05:161
111391220,0ptp4l0-21swapper/100:00:441
111391220,0ptp4l0-21swapper/020:40:190
111391220,0ptp4l0-21swapper/020:25:120
111391220,0ptp4l0-21swapper/019:50:010
111391220,0ptp4l0-21swapper/019:40:150
111391210,0ptp4l0-21swapper/623:14:426
111391210,0ptp4l0-21swapper/622:39:126
111391210,0ptp4l0-21swapper/621:52:346
111391210,0ptp4l0-21swapper/621:37:426
111391210,0ptp4l0-21swapper/600:05:036
111391210,0ptp4l0-21swapper/523:56:585
111391210,0ptp4l0-21swapper/523:36:595
111391210,0ptp4l0-21swapper/523:23:265
111391210,0ptp4l0-21swapper/523:10:545
111391210,0ptp4l0-21swapper/522:50:375
111391210,0ptp4l0-21swapper/522:27:155
111391210,0ptp4l0-21swapper/521:45:205
111391210,0ptp4l0-21swapper/521:38:045
111391210,0ptp4l0-21swapper/521:10:235
111391210,0ptp4l0-21swapper/500:24:035
111391210,0ptp4l0-21swapper/500:24:025
111391210,0ptp4l0-21swapper/222:25:462
111391210,0ptp4l0-21swapper/222:03:002
111391210,0ptp4l0-21swapper/221:22:102
111391210,0ptp4l0-21swapper/200:05:042
111391210,0ptp4l0-21swapper/123:39:041
111391210,0ptp4l0-21swapper/123:30:531
111391210,0ptp4l0-21swapper/123:20:471
111391210,0ptp4l0-21swapper/122:26:491
111391210,0ptp4l0-21swapper/122:11:381
111391210,0ptp4l0-21swapper/121:59:401
111391210,0ptp4l0-21swapper/121:54:351
111391210,0ptp4l0-21swapper/121:29:281
111391210,0ptp4l0-21swapper/120:56:221
111391210,0ptp4l0-21swapper/119:25:101
111391210,0ptp4l0-21swapper/100:21:101
111391210,0ptp4l0-21swapper/100:21:091
111391210,0ptp4l0-21swapper/100:16:221
111391210,0ptp4l0-21swapper/100:16:211
111391200,0ptp4l0-21swapper/621:22:076
111391200,0ptp4l0-21swapper/522:58:525
111391200,0ptp4l0-21swapper/522:44:585
111391200,0ptp4l0-21swapper/521:29:235
111391200,0ptp4l0-21swapper/222:49:262
111391200,0ptp4l0-21swapper/221:36:482
111391200,0ptp4l0-21swapper/219:16:212
111391200,0ptp4l0-21swapper/200:13:492
111391200,0ptp4l0-21swapper/122:45:101
111391200,0ptp4l0-21swapper/122:06:421
111391200,0ptp4l0-21swapper/100:39:001
111391200,0ptp4l0-21swapper/100:34:051
111391190,0ptp4l321ktimersoftd/219:32:002
111391190,0ptp4l0-21swapper/722:12:097
111391190,0ptp4l0-21swapper/722:09:357
111391190,0ptp4l0-21swapper/719:41:127
111391190,0ptp4l0-21swapper/623:29:036
111391190,0ptp4l0-21swapper/621:43:386
111391190,0ptp4l0-21swapper/621:43:386
111391190,0ptp4l0-21swapper/619:49:076
111391190,0ptp4l0-21swapper/523:53:165
111391190,0ptp4l0-21swapper/523:32:395
111391190,0ptp4l0-21swapper/523:09:435
111391190,0ptp4l0-21swapper/523:00:275
111391190,0ptp4l0-21swapper/522:21:545
111391190,0ptp4l0-21swapper/522:12:125
111391190,0ptp4l0-21swapper/521:53:135
111391190,0ptp4l0-21swapper/520:30:235
111391190,0ptp4l0-21swapper/520:29:545
111391190,0ptp4l0-21swapper/520:07:165
111391190,0ptp4l0-21swapper/519:44:355
111391190,0ptp4l0-21swapper/300:29:013
111391190,0ptp4l0-21swapper/221:27:272
111391190,0ptp4l0-21swapper/200:28:382
111391190,0ptp4l0-21swapper/120:40:141
111391190,0ptp4l0-21swapper/100:13:271
111391180,0ptp4l0-21swapper/700:23:277
111391180,0ptp4l0-21swapper/700:23:267
111391180,0ptp4l0-21swapper/619:16:186
111391180,0ptp4l0-21swapper/600:04:596
111391180,0ptp4l0-21swapper/522:03:495
111391170,2ptp4l31412-21diskmemload23:05:502
111391170,2ptp4l0-21swapper/121:02:361
111391170,0ptp4l0-21swapper/522:46:215
111391170,0ptp4l0-21swapper/223:57:272
111391170,0ptp4l0-21swapper/200:03:272
111391160,1ptp4l834099cyclictest20:56:285
111391160,0ptp4l0-21swapper/622:49:286
111391160,0ptp4l0-21swapper/622:19:446
111391160,0ptp4l0-21swapper/621:27:296
111391160,0ptp4l0-21swapper/620:49:456
111391160,0ptp4l0-21swapper/600:13:516
111391160,0ptp4l0-21swapper/523:40:285
111391160,0ptp4l0-21swapper/523:29:225
111391160,0ptp4l0-21swapper/522:33:275
111391160,0ptp4l0-21swapper/520:22:105
111391160,0ptp4l0-21swapper/322:09:333
111391160,0ptp4l0-21swapper/219:49:102
111391160,0ptp4l0-21swapper/122:58:511
111391160,0ptp4l0-21swapper/120:51:561
111391160,0ptp4l0-21swapper/120:48:531
111391160,0ptp4l0-21swapper/120:20:101
111391160,0ptp4l0-21swapper/120:18:001
111391160,0ptp4l0-21swapper/120:11:451
111391160,0ptp4l0-21swapper/120:09:451
111391160,0ptp4l0-21swapper/119:56:081
111391160,0ptp4l0-21swapper/119:44:191
111391160,0ptp4l0-21swapper/119:38:351
111391160,0ptp4l0-21swapper/119:34:011
111391160,0ptp4l0-21swapper/119:23:211
111391160,0ptp4l0-21swapper/119:18:541
111391150,0ptp4l0-21swapper/720:21:527
111391150,0ptp4l0-21swapper/720:12:417
111391150,0ptp4l0-21swapper/623:45:006
111391150,0ptp4l0-21swapper/623:05:496
111391150,0ptp4l0-21swapper/620:55:036
111391150,0ptp4l0-21swapper/620:54:226
111391150,0ptp4l0-21swapper/620:33:236
111391150,0ptp4l0-21swapper/620:22:376
111391150,0ptp4l0-21swapper/620:08:576
111391150,0ptp4l0-21swapper/619:28:056
111391150,0ptp4l0-21swapper/619:14:436
111391150,0ptp4l0-21swapper/522:38:565
111391150,0ptp4l0-21swapper/521:07:405
111391150,0ptp4l0-21swapper/521:01:305
111391150,0ptp4l0-21swapper/520:53:295
111391150,0ptp4l0-21swapper/520:48:525
111391150,0ptp4l0-21swapper/520:17:265
111391150,0ptp4l0-21swapper/520:14:045
111391150,0ptp4l0-21swapper/519:56:575
111391150,0ptp4l0-21swapper/519:52:435
111391150,0ptp4l0-21swapper/519:31:405
111391150,0ptp4l0-21swapper/519:22:515
111391150,0ptp4l0-21swapper/519:19:025
111391150,0ptp4l0-21swapper/519:14:285
111391150,0ptp4l0-21swapper/319:41:123
111391150,0ptp4l0-21swapper/222:50:472
111391150,0ptp4l0-21swapper/222:24:522
111391150,0ptp4l0-21swapper/220:55:032
111391150,0ptp4l0-21swapper/220:49:462
111391150,0ptp4l0-21swapper/220:37:032
111391150,0ptp4l0-21swapper/220:33:312
111391150,0ptp4l0-21swapper/220:28:432
111391150,0ptp4l0-21swapper/220:08:562
111391150,0ptp4l0-21swapper/219:28:092
111391150,0ptp4l0-21swapper/219:24:072
111391150,0ptp4l0-21swapper/121:06:271
111391150,0ptp4l0-21swapper/120:37:031
111391150,0ptp4l0-21swapper/120:25:471
111391150,0ptp4l0-21swapper/119:52:431
111391150,0ptp4l0-21swapper/119:45:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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