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2026-05-28 - 05:49

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 Thu May 28, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391670,5ptp4l0-21swapper/519:05:205
111391630,31ptp4l0-21swapper/019:09:290
111391620,5ptp4l0-21swapper/419:08:054
111391620,31ptp4l0-21swapper/119:08:071
2513526151,6sleep20-21swapper/219:05:342
110212590,0sleep30-21swapper/322:30:013
110212590,0sleep30-21swapper/322:30:003
109392590,0sleep20-21swapper/219:45:152
109392590,0sleep20-21swapper/219:45:142
96312580,0sleep00-21swapper/023:10:180
2525025847,6sleep70-21swapper/719:07:087
2527525635,6sleep60-21swapper/619:07:236
102342560,0sleep10-21swapper/122:27:501
102342560,0sleep10-21swapper/122:27:491
240642540,0sleep10-21swapper/122:02:191
2514524635,7sleep30-21swapper/319:05:433
79052450,1sleep09-21ksoftirqd/023:09:550
111391340,0ptp4l0-21swapper/423:20:234
111391330,0ptp4l0-21swapper/422:03:334
111391330,0ptp4l0-21swapper/000:20:170
111391330,0ptp4l0-21swapper/000:12:330
111391320,0ptp4l0-21swapper/522:34:235
111391320,0ptp4l0-21swapper/520:25:105
111391320,0ptp4l0-21swapper/423:45:164
111391320,0ptp4l0-21swapper/420:20:124
111391320,0ptp4l0-21swapper/021:50:110
111391320,0ptp4l0-21swapper/021:14:150
111391310,6ptp4l0-21swapper/421:18:534
111391310,0ptp4l0-21swapper/521:15:555
111391310,0ptp4l0-21swapper/023:56:510
111391310,0ptp4l0-21swapper/022:51:490
111391310,0ptp4l0-21swapper/020:20:190
111391300,0ptp4l0-21swapper/522:49:515
111391300,0ptp4l0-21swapper/500:16:475
111391300,0ptp4l0-21swapper/422:25:174
111391300,0ptp4l0-21swapper/422:25:164
111391300,0ptp4l0-21swapper/421:27:164
111391300,0ptp4l0-21swapper/400:28:244
111391300,0ptp4l0-21swapper/023:51:050
111391300,0ptp4l0-21swapper/021:19:500
111391300,0ptp4l0-21swapper/000:16:100
111391290,0ptp4l0-21swapper/522:37:535
111391290,0ptp4l0-21swapper/423:54:484
111391290,0ptp4l0-21swapper/423:08:164
111391290,0ptp4l0-21swapper/422:21:574
111391290,0ptp4l0-21swapper/422:21:574
111391290,0ptp4l0-21swapper/400:09:094
111391290,0ptp4l0-21swapper/123:22:431
111391290,0ptp4l0-21swapper/023:33:440
111391290,0ptp4l0-21swapper/023:03:420
111391290,0ptp4l0-21swapper/022:23:210
111391290,0ptp4l0-21swapper/022:23:200
111391290,0ptp4l0-21swapper/000:36:150
111391280,0ptp4l0-21swapper/523:27:535
111391280,0ptp4l0-21swapper/500:11:455
111391280,0ptp4l0-21swapper/423:56:294
111391280,0ptp4l0-21swapper/422:39:404
111391280,0ptp4l0-21swapper/421:52:424
111391280,0ptp4l0-21swapper/421:37:164
111391280,0ptp4l0-21swapper/421:30:194
111391280,0ptp4l0-21swapper/421:23:174
111391280,0ptp4l0-21swapper/121:36:041
111391280,0ptp4l0-21swapper/023:41:160
111391280,0ptp4l0-21swapper/022:03:050
111391280,0ptp4l0-21swapper/021:44:000
111391270,3ptp4l0-21swapper/400:30:144
111391270,0ptp4l0-21swapper/522:54:505
111391270,0ptp4l0-21swapper/521:39:545
111391270,0ptp4l0-21swapper/423:15:414
111391270,0ptp4l0-21swapper/422:06:414
111391270,0ptp4l0-21swapper/221:24:062
111391270,0ptp4l0-21swapper/200:36:512
111391270,0ptp4l0-21swapper/022:18:460
111391270,0ptp4l0-21swapper/021:33:510
111391270,0ptp4l0-21swapper/000:07:570
111391260,8ptp4l0-21swapper/022:34:120
111391260,0ptp4l0-21swapper/523:36:575
111391260,0ptp4l0-21swapper/521:33:245
111391260,0ptp4l0-21swapper/422:56:524
111391260,0ptp4l0-21swapper/421:10:134
111391260,0ptp4l0-21swapper/420:47:154
111391260,0ptp4l0-21swapper/419:55:174
111391260,0ptp4l0-21swapper/400:21:074
111391260,0ptp4l0-21swapper/223:29:442
111391260,0ptp4l0-21swapper/222:23:292
111391260,0ptp4l0-21swapper/222:23:282
111391260,0ptp4l0-21swapper/022:49:120
111391260,0ptp4l0-21swapper/021:21:540
111391260,0ptp4l0-21swapper/000:31:130
111391250,1ptp4l26348-21latency22:05:160
111391250,1ptp4l26249-21sh19:10:125
111391250,1ptp4l2577499cyclictest19:22:264
111391250,1ptp4l23475-21ps23:30:134
111391250,0ptp4l0-21swapper/621:13:266
111391250,0ptp4l0-21swapper/523:18:465
111391250,0ptp4l0-21swapper/521:43:235
111391250,0ptp4l0-21swapper/423:42:094
111391250,0ptp4l0-21swapper/420:52:054
111391250,0ptp4l0-21swapper/223:04:152
111391250,0ptp4l0-21swapper/119:10:171
111391250,0ptp4l0-21swapper/023:45:100
111391250,0ptp4l0-21swapper/020:13:450
111391250,0ptp4l0-21swapper/020:05:000
111391240,3ptp4l0-21swapper/423:02:424
111391240,1ptp4l8257-21smartctl19:40:135
111391240,1ptp4l32188-21/usr/sbin/munin19:20:170
111391240,1ptp4l27064-21/usr/sbin/munin23:35:150
111391240,1ptp4l17798-21grep00:05:205
111391240,1ptp4l10170-21tr20:55:106
111391240,0ptp4l16509-21diskmemload21:55:155
111391240,0ptp4l0-21swapper/621:35:216
111391240,0ptp4l0-21swapper/523:00:185
111391240,0ptp4l0-21swapper/522:42:305
111391240,0ptp4l0-21swapper/522:05:005
111391240,0ptp4l0-21swapper/521:53:565
111391240,0ptp4l0-21swapper/521:00:115
111391240,0ptp4l0-21swapper/520:36:125
111391240,0ptp4l0-21swapper/519:57:355
111391240,0ptp4l0-21swapper/500:27:195
111391240,0ptp4l0-21swapper/422:45:014
111391240,0ptp4l0-21swapper/421:56:214
111391240,0ptp4l0-21swapper/421:48:494
111391240,0ptp4l0-21swapper/420:30:554
111391240,0ptp4l0-21swapper/420:27:244
111391240,0ptp4l0-21swapper/419:48:134
111391240,0ptp4l0-21swapper/419:48:124
111391240,0ptp4l0-21swapper/419:15:144
111391240,0ptp4l0-21swapper/400:02:104
111391240,0ptp4l0-21swapper/123:44:441
111391240,0ptp4l0-21swapper/123:28:381
111391240,0ptp4l0-21swapper/122:11:441
111391240,0ptp4l0-21swapper/121:00:121
111391240,0ptp4l0-21swapper/120:00:111
111391240,0ptp4l0-21swapper/119:45:191
111391240,0ptp4l0-21swapper/119:45:181
111391240,0ptp4l0-21swapper/100:25:181
111391240,0ptp4l0-21swapper/100:06:051
111391240,0ptp4l0-21swapper/023:20:160
111391240,0ptp4l0-21swapper/023:17:320
111391240,0ptp4l0-21swapper/022:35:170
111391240,0ptp4l0-21swapper/021:46:370
111391240,0ptp4l0-21swapper/020:52:360
111391240,0ptp4l0-21swapper/020:45:070
111391240,0ptp4l0-21swapper/019:30:160
111391230,2ptp4l0-21swapper/520:59:025
111391230,1ptp4l920-21cpuspeed_turbos20:35:124
111391230,1ptp4l515-21systemd-journal21:20:161
111391230,0ptp4l0-21swapper/522:11:535
111391230,0ptp4l0-21swapper/520:45:145
111391230,0ptp4l0-21swapper/520:34:435
111391230,0ptp4l0-21swapper/519:37:365
111391230,0ptp4l0-21swapper/519:23:315
111391230,0ptp4l0-21swapper/500:30:205
111391230,0ptp4l0-21swapper/500:25:005
111391230,0ptp4l0-21swapper/500:00:145
111391230,0ptp4l0-21swapper/423:37:444
111391230,0ptp4l0-21swapper/423:10:114
111391230,0ptp4l0-21swapper/422:45:194
111391230,0ptp4l0-21swapper/422:31:354
111391230,0ptp4l0-21swapper/422:15:124
111391230,0ptp4l0-21swapper/421:43:084
111391230,0ptp4l0-21swapper/421:03:034
111391230,0ptp4l0-21swapper/420:10:404
111391230,0ptp4l0-21swapper/420:00:184
111391230,0ptp4l0-21swapper/419:50:184
111391230,0ptp4l0-21swapper/419:35:214
111391230,0ptp4l0-21swapper/419:29:444
111391230,0ptp4l0-21swapper/419:13:454
111391230,0ptp4l0-21swapper/400:35:174
111391230,0ptp4l0-21swapper/400:15:174
111391230,0ptp4l0-21swapper/400:13:374
111391230,0ptp4l0-21swapper/221:15:032
111391230,0ptp4l0-21swapper/220:46:442
111391230,0ptp4l0-21swapper/123:00:131
111391230,0ptp4l0-21swapper/122:50:121
111391230,0ptp4l0-21swapper/122:40:121
111391230,0ptp4l0-21swapper/122:07:221
111391230,0ptp4l0-21swapper/121:55:181
111391230,0ptp4l0-21swapper/121:40:101
111391230,0ptp4l0-21swapper/121:15:121
111391230,0ptp4l0-21swapper/120:50:111
111391230,0ptp4l0-21swapper/120:40:151
111391230,0ptp4l0-21swapper/119:40:121
111391230,0ptp4l0-21swapper/119:25:111
111391230,0ptp4l0-21swapper/100:34:591
111391230,0ptp4l0-21swapper/023:25:120
111391230,0ptp4l0-21swapper/022:55:120
111391230,0ptp4l0-21swapper/021:35:150
111391230,0ptp4l0-21swapper/021:26:430
111391230,0ptp4l0-21swapper/020:30:180
111391230,0ptp4l0-21swapper/020:25:170
111391230,0ptp4l0-21swapper/020:19:400
111391230,0ptp4l0-21swapper/020:05:130
111391230,0ptp4l0-21swapper/019:37:570
111391230,0ptp4l0-21swapper/019:28:340
111391230,0ptp4l0-21swapper/019:15:000
111391230,0ptp4l0-21swapper/019:13:480
111391230,0ptp4l0-21swapper/000:00:150
111391220,1ptp4l9439-21ssh22:25:312
111391220,1ptp4l9439-21ssh22:25:302
111391220,1ptp4l0-21swapper/021:57:170
111391220,0ptp4l0-21swapper/623:54:216
111391220,0ptp4l0-21swapper/623:22:256
111391220,0ptp4l0-21swapper/623:10:136
111391220,0ptp4l0-21swapper/623:04:126
111391220,0ptp4l0-21swapper/622:30:406
111391220,0ptp4l0-21swapper/622:26:116
111391220,0ptp4l0-21swapper/622:26:116
111391220,0ptp4l0-21swapper/622:01:186
111391220,0ptp4l0-21swapper/621:19:436
111391220,0ptp4l0-21swapper/619:47:386
111391220,0ptp4l0-21swapper/619:47:376
111391220,0ptp4l0-21swapper/523:50:565
111391220,0ptp4l0-21swapper/523:23:595
111391220,0ptp4l0-21swapper/523:05:205
111391220,0ptp4l0-21swapper/522:59:555
111391220,0ptp4l0-21swapper/522:15:365
111391220,0ptp4l0-21swapper/522:05:535
111391220,0ptp4l0-21swapper/521:20:145
111391220,0ptp4l0-21swapper/520:50:125
111391220,0ptp4l0-21swapper/520:40:125
111391220,0ptp4l0-21swapper/519:45:115
111391220,0ptp4l0-21swapper/519:45:115
111391220,0ptp4l0-21swapper/423:29:244
111391220,0ptp4l0-21swapper/422:50:184
111391220,0ptp4l0-21swapper/422:10:034
111391220,0ptp4l0-21swapper/421:05:124
111391220,0ptp4l0-21swapper/420:15:144
111391220,0ptp4l0-21swapper/420:05:194
111391220,0ptp4l0-21swapper/419:30:124
111391220,0ptp4l0-21swapper/223:54:242
111391220,0ptp4l0-21swapper/223:38:072
111391220,0ptp4l0-21swapper/223:22:532
111391220,0ptp4l0-21swapper/222:30:382
111391220,0ptp4l0-21swapper/222:15:592
111391220,0ptp4l0-21swapper/221:57:272
111391220,0ptp4l0-21swapper/221:35:202
111391220,0ptp4l0-21swapper/220:55:182
111391220,0ptp4l0-21swapper/123:50:321
111391220,0ptp4l0-21swapper/123:36:251
111391220,0ptp4l0-21swapper/123:05:181
111391220,0ptp4l0-21swapper/122:55:491
111391220,0ptp4l0-21swapper/122:47:301
111391220,0ptp4l0-21swapper/122:37:021
111391220,0ptp4l0-21swapper/122:16:381
111391220,0ptp4l0-21swapper/121:53:101
111391220,0ptp4l0-21swapper/121:45:381
111391220,0ptp4l0-21swapper/121:28:041
111391220,0ptp4l0-21swapper/120:45:131
111391220,0ptp4l0-21swapper/120:35:321
111391220,0ptp4l0-21swapper/120:25:131
111391220,0ptp4l0-21swapper/100:24:101
111391220,0ptp4l0-21swapper/100:10:141
111391220,0ptp4l0-21swapper/100:00:041
111391220,0ptp4l0-21swapper/022:44:550
111391220,0ptp4l0-21swapper/022:25:110
111391220,0ptp4l0-21swapper/022:25:100
111391220,0ptp4l0-21swapper/022:14:350
111391220,0ptp4l0-21swapper/021:05:110
111391220,0ptp4l0-21swapper/021:01:330
111391220,0ptp4l0-21swapper/020:35:120
111391220,0ptp4l0-21swapper/019:55:110
111391220,0ptp4l0-21swapper/019:50:100
111391220,0ptp4l0-21swapper/019:49:480
111391220,0ptp4l0-21swapper/019:49:480
111391220,0ptp4l0-21swapper/000:26:100
111391210,0ptp4l0-21swapper/623:47:566
111391210,0ptp4l0-21swapper/623:38:026
111391210,0ptp4l0-21swapper/623:19:376
111391210,0ptp4l0-21swapper/622:23:466
111391210,0ptp4l0-21swapper/622:23:466
111391210,0ptp4l0-21swapper/622:16:036
111391210,0ptp4l0-21swapper/621:57:256
111391210,0ptp4l0-21swapper/620:03:076
111391210,0ptp4l0-21swapper/619:17:596
111391210,0ptp4l0-21swapper/600:38:236
111391210,0ptp4l0-21swapper/600:26:386
111391210,0ptp4l0-21swapper/600:02:486
111391210,0ptp4l0-21swapper/523:48:225
111391210,0ptp4l0-21swapper/523:42:325
111391210,0ptp4l0-21swapper/523:32:535
111391210,0ptp4l0-21swapper/521:45:365
111391210,0ptp4l0-21swapper/521:25:585
111391210,0ptp4l0-21swapper/223:19:322
111391210,0ptp4l0-21swapper/223:10:472
111391210,0ptp4l0-21swapper/222:58:252
111391210,0ptp4l0-21swapper/222:48:502
111391210,0ptp4l0-21swapper/222:01:182
111391210,0ptp4l0-21swapper/221:47:112
111391210,0ptp4l0-21swapper/220:31:212
111391210,0ptp4l0-21swapper/200:26:352
111391210,0ptp4l0-21swapper/123:46:001
111391210,0ptp4l0-21swapper/123:34:341
111391210,0ptp4l0-21swapper/123:18:191
111391210,0ptp4l0-21swapper/123:11:231
111391210,0ptp4l0-21swapper/121:31:491
111391210,0ptp4l0-21swapper/119:21:331
111391210,0ptp4l0-21swapper/100:17:371
111391210,0ptp4l0-21swapper/020:56:370
111391200,0ptp4l0-21swapper/722:27:347
111391200,0ptp4l0-21swapper/722:27:337
111391200,0ptp4l0-21swapper/722:02:107
111391200,0ptp4l0-21swapper/623:29:476
111391200,0ptp4l0-21swapper/622:58:226
111391200,0ptp4l0-21swapper/622:48:476
111391200,0ptp4l0-21swapper/622:13:386
111391200,0ptp4l0-21swapper/621:29:216
111391200,0ptp4l0-21swapper/621:22:456
111391200,0ptp4l0-21swapper/600:12:596
111391200,0ptp4l0-21swapper/523:10:255
111391200,0ptp4l0-21swapper/522:28:235
111391200,0ptp4l0-21swapper/522:28:225
111391200,0ptp4l0-21swapper/521:13:595
111391200,0ptp4l0-21swapper/521:09:335
111391200,0ptp4l0-21swapper/420:56:224
111391200,0ptp4l0-21swapper/419:42:204
111391200,0ptp4l0-21swapper/300:33:043
111391200,0ptp4l0-21swapper/223:47:572
111391200,0ptp4l0-21swapper/221:13:162
111391200,0ptp4l0-21swapper/200:13:002
111391200,0ptp4l0-21swapper/200:02:522
111391200,0ptp4l0-21swapper/119:53:331
111391200,0ptp4l0-21swapper/119:39:201
111391200,0ptp4l0-21swapper/119:17:321
111391200,0ptp4l0-21swapper/100:35:071
111391200,0ptp4l0-21swapper/020:40:320
111391190,0ptp4l0-21swapper/700:33:037
111391190,0ptp4l0-21swapper/519:25:115
111391190,0ptp4l0-21swapper/420:44:324
111391190,0ptp4l0-21swapper/222:43:272
111391190,0ptp4l0-21swapper/222:13:312
111391190,0ptp4l0-21swapper/221:29:142
111391190,0ptp4l0-21swapper/123:59:291
111391190,0ptp4l0-21swapper/121:11:591
111391190,0ptp4l0-21swapper/019:44:200
111391180,0ptp4l0-21swapper/620:13:566
111391180,0ptp4l0-21swapper/600:32:596
111391180,0ptp4l0-21swapper/523:55:095
111391180,0ptp4l0-21swapper/322:02:113
111391180,0ptp4l0-21swapper/223:08:482
111391180,0ptp4l0-21swapper/221:50:462
111391180,0ptp4l0-21swapper/200:32:582
111391180,0ptp4l0-21swapper/200:09:012
111391180,0ptp4l0-21swapper/122:24:561
111391180,0ptp4l0-21swapper/122:24:561
111391170,0ptp4l0-21swapper/623:08:466
111391170,0ptp4l0-21swapper/622:42:556
111391170,0ptp4l0-21swapper/621:47:106
111391170,0ptp4l0-21swapper/620:39:406
111391170,0ptp4l0-21swapper/600:07:006
111391170,0ptp4l0-21swapper/519:53:525
111391170,0ptp4l0-21swapper/519:17:065
111391160,0ptp4l0-21swapper/621:50:466
111391160,0ptp4l0-21swapper/500:35:045
111391160,0ptp4l0-21swapper/121:08:121
111391160,0ptp4l0-21swapper/119:57:401
111391150,0ptp4l0-21swapper/621:02:296
111391150,0ptp4l0-21swapper/620:54:586
111391150,0ptp4l0-21swapper/620:45:086
111391150,0ptp4l0-21swapper/620:41:176
111391150,0ptp4l0-21swapper/620:31:256
111391150,0ptp4l0-21swapper/620:23:406
111391150,0ptp4l0-21swapper/620:17:546
111391150,0ptp4l0-21swapper/619:52:096
111391150,0ptp4l0-21swapper/619:38:016
111391150,0ptp4l0-21swapper/619:34:216
111391150,0ptp4l0-21swapper/520:20:395
111391150,0ptp4l0-21swapper/520:17:255
111391150,0ptp4l0-21swapper/520:11:145
111391150,0ptp4l0-21swapper/520:05:585
111391150,0ptp4l0-21swapper/520:00:035
111391150,0ptp4l0-21swapper/519:34:155
111391150,0ptp4l0-21swapper/223:59:192
111391150,0ptp4l0-21swapper/221:02:282
111391150,0ptp4l0-21swapper/220:41:152
111391150,0ptp4l0-21swapper/220:37:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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