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2026-05-02 - 04:03

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 Sat May 02, 2026 00:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391610,30ptp4l0-21swapper/019:05:210
111391600,25ptp4l0-21swapper/119:05:131
163002580,0sleep31068-21runrttasks23:45:503
295762560,0sleep70-21swapper/700:04:597
111391560,0ptp4l5642-21munin-node19:15:010
111391550,6ptp4l0-21swapper/419:05:214
238225443,6sleep70-21swapper/719:09:447
222225444,6sleep20-21swapper/219:07:392
111391520,5ptp4l0-21swapper/319:07:213
111391500,2ptp4l0-21swapper/519:05:165
229024836,7sleep60-21swapper/619:08:306
111391360,0ptp4l0-21swapper/021:35:130
111391320,0ptp4l0-21swapper/521:31:445
111391320,0ptp4l0-21swapper/423:22:534
111391320,0ptp4l0-21swapper/423:03:584
111391320,0ptp4l0-21swapper/023:57:270
111391310,0ptp4l0-21swapper/422:55:164
111391310,0ptp4l0-21swapper/400:20:104
111391310,0ptp4l0-21swapper/022:25:120
111391300,0ptp4l0-21swapper/423:36:424
111391300,0ptp4l0-21swapper/400:05:224
111391300,0ptp4l0-21swapper/222:43:412
111391300,0ptp4l0-21swapper/000:15:200
111391290,0ptp4l0-21swapper/423:19:444
111391290,0ptp4l0-21swapper/421:46:094
111391290,0ptp4l0-21swapper/419:55:174
111391290,0ptp4l0-21swapper/400:00:264
111391290,0ptp4l0-21swapper/023:38:030
111391290,0ptp4l0-21swapper/022:49:340
111391290,0ptp4l0-21swapper/021:22:320
111391280,0ptp4l0-21swapper/621:51:206
111391280,0ptp4l0-21swapper/621:34:596
111391280,0ptp4l0-21swapper/521:49:255
111391280,0ptp4l0-21swapper/422:42:224
111391280,0ptp4l0-21swapper/422:09:064
111391280,0ptp4l0-21swapper/419:40:124
111391280,0ptp4l0-21swapper/223:10:192
111391280,0ptp4l0-21swapper/022:20:040
111391280,0ptp4l0-21swapper/022:02:080
111391280,0ptp4l0-21swapper/021:54:520
111391280,0ptp4l0-21swapper/021:48:520
111391280,0ptp4l0-21swapper/021:05:180
111391270,0ptp4l0-21swapper/522:47:135
111391270,0ptp4l0-21swapper/423:50:074
111391270,0ptp4l0-21swapper/422:45:064
111391270,0ptp4l0-21swapper/422:12:574
111391270,0ptp4l0-21swapper/422:04:444
111391270,0ptp4l0-21swapper/421:41:284
111391270,0ptp4l0-21swapper/400:29:474
111391270,0ptp4l0-21swapper/123:14:381
111391260,0ptp4l0-21swapper/723:15:007
111391260,0ptp4l0-21swapper/500:27:245
111391260,0ptp4l0-21swapper/423:40:224
111391260,0ptp4l0-21swapper/423:05:584
111391260,0ptp4l0-21swapper/422:29:534
111391260,0ptp4l0-21swapper/421:23:424
111391260,0ptp4l0-21swapper/421:17:084
111391260,0ptp4l0-21swapper/400:18:054
111391260,0ptp4l0-21swapper/121:17:311
111391260,0ptp4l0-21swapper/100:21:401
111391260,0ptp4l0-21swapper/000:09:230
111391250,1ptp4l22951-21memory23:55:184
111391250,1ptp4l17012-21/usr/sbin/munin20:50:104
111391250,0ptp4l25813-21diskmemload21:26:204
111391250,0ptp4l0-21swapper/523:27:045
111391250,0ptp4l0-21swapper/423:30:074
111391250,0ptp4l0-21swapper/422:34:434
111391250,0ptp4l0-21swapper/422:20:124
111391250,0ptp4l0-21swapper/420:41:394
111391250,0ptp4l0-21swapper/420:15:004
111391250,0ptp4l0-21swapper/420:15:004
111391250,0ptp4l0-21swapper/420:00:194
111391250,0ptp4l0-21swapper/400:10:114
111391250,0ptp4l0-21swapper/021:57:030
111391250,0ptp4l0-21swapper/021:19:060
111391250,0ptp4l0-21swapper/020:46:350
111391250,0ptp4l0-21swapper/020:00:190
111391250,0ptp4l0-21swapper/000:20:190
111391250,0ptp4l0-21swapper/000:10:160
111391240,1ptp4l7674-21ssh21:26:590
111391240,1ptp4l6659-21smart_sda20:25:184
111391240,1ptp4l32245-21cut22:00:115
111391240,1ptp4l26610-21diskstats22:35:124
111391240,1ptp4l25135-21sed23:15:177
111391240,0ptp4l25813-21diskmemload23:21:570
111391240,0ptp4l0-21swapper/523:43:085
111391240,0ptp4l0-21swapper/521:37:405
111391240,0ptp4l0-21swapper/521:16:255
111391240,0ptp4l0-21swapper/521:14:375
111391240,0ptp4l0-21swapper/519:30:115
111391240,0ptp4l0-21swapper/423:12:024
111391240,0ptp4l0-21swapper/422:53:524
111391240,0ptp4l0-21swapper/422:53:524
111391240,0ptp4l0-21swapper/421:59:384
111391240,0ptp4l0-21swapper/421:39:584
111391240,0ptp4l0-21swapper/421:32:534
111391240,0ptp4l0-21swapper/420:30:144
111391240,0ptp4l0-21swapper/419:31:024
111391240,0ptp4l0-21swapper/419:15:144
111391240,0ptp4l0-21swapper/400:35:114
111391240,0ptp4l0-21swapper/400:34:274
111391240,0ptp4l0-21swapper/323:15:123
111391240,0ptp4l0-21swapper/319:10:193
111391240,0ptp4l0-21swapper/220:29:142
111391240,0ptp4l0-21swapper/219:25:142
111391240,0ptp4l0-21swapper/122:00:111
111391240,0ptp4l0-21swapper/100:27:421
111391240,0ptp4l0-21swapper/023:53:030
111391240,0ptp4l0-21swapper/023:05:180
111391240,0ptp4l0-21swapper/021:40:440
111391230,1ptp4l25813-21diskmemload23:55:361
111391230,1ptp4l23749-21turbostat19:55:010
111391230,1ptp4l16729-21ssh22:20:501
111391230,1ptp4l1452-21irqrtprio20:15:144
111391230,0ptp4l0-21swapper/623:10:186
111391230,0ptp4l0-21swapper/622:25:406
111391230,0ptp4l0-21swapper/622:10:186
111391230,0ptp4l0-21swapper/622:02:596
111391230,0ptp4l0-21swapper/621:35:086
111391230,0ptp4l0-21swapper/621:12:166
111391230,0ptp4l0-21swapper/620:25:016
111391230,0ptp4l0-21swapper/600:39:216
111391230,0ptp4l0-21swapper/523:55:585
111391230,0ptp4l0-21swapper/523:14:115
111391230,0ptp4l0-21swapper/523:05:095
111391230,0ptp4l0-21swapper/522:40:355
111391230,0ptp4l0-21swapper/522:38:525
111391230,0ptp4l0-21swapper/522:30:595
111391230,0ptp4l0-21swapper/522:27:125
111391230,0ptp4l0-21swapper/522:15:215
111391230,0ptp4l0-21swapper/521:42:285
111391230,0ptp4l0-21swapper/521:29:035
111391230,0ptp4l0-21swapper/520:35:135
111391230,0ptp4l0-21swapper/500:19:215
111391230,0ptp4l0-21swapper/423:49:424
111391230,0ptp4l0-21swapper/422:15:144
111391230,0ptp4l0-21swapper/421:11:014
111391230,0ptp4l0-21swapper/421:00:124
111391230,0ptp4l0-21swapper/420:45:144
111391230,0ptp4l0-21swapper/420:20:134
111391230,0ptp4l0-21swapper/420:05:204
111391230,0ptp4l0-21swapper/419:50:124
111391230,0ptp4l0-21swapper/419:35:154
111391230,0ptp4l0-21swapper/419:26:404
111391230,0ptp4l0-21swapper/419:20:134
111391230,0ptp4l0-21swapper/221:50:132
111391230,0ptp4l0-21swapper/221:35:162
111391230,0ptp4l0-21swapper/123:44:381
111391230,0ptp4l0-21swapper/123:22:061
111391230,0ptp4l0-21swapper/123:05:041
111391230,0ptp4l0-21swapper/122:57:061
111391230,0ptp4l0-21swapper/122:46:551
111391230,0ptp4l0-21swapper/122:16:051
111391230,0ptp4l0-21swapper/121:47:211
111391230,0ptp4l0-21swapper/121:30:161
111391230,0ptp4l0-21swapper/121:29:081
111391230,0ptp4l0-21swapper/121:10:191
111391230,0ptp4l0-21swapper/120:40:131
111391230,0ptp4l0-21swapper/120:35:101
111391230,0ptp4l0-21swapper/119:50:151
111391230,0ptp4l0-21swapper/119:45:001
111391230,0ptp4l0-21swapper/100:16:281
111391230,0ptp4l0-21swapper/100:07:111
111391230,0ptp4l0-21swapper/023:41:470
111391230,0ptp4l0-21swapper/023:30:160
111391230,0ptp4l0-21swapper/023:25:120
111391230,0ptp4l0-21swapper/023:18:410
111391230,0ptp4l0-21swapper/022:55:220
111391230,0ptp4l0-21swapper/022:50:160
111391230,0ptp4l0-21swapper/022:50:160
111391230,0ptp4l0-21swapper/022:40:160
111391230,0ptp4l0-21swapper/022:35:190
111391230,0ptp4l0-21swapper/022:15:160
111391230,0ptp4l0-21swapper/022:10:000
111391230,0ptp4l0-21swapper/022:05:170
111391230,0ptp4l0-21swapper/021:32:110
111391230,0ptp4l0-21swapper/021:13:130
111391230,0ptp4l0-21swapper/020:55:110
111391230,0ptp4l0-21swapper/020:50:180
111391230,0ptp4l0-21swapper/020:20:200
111391230,0ptp4l0-21swapper/020:10:130
111391230,0ptp4l0-21swapper/020:10:120
111391230,0ptp4l0-21swapper/020:05:370
111391230,0ptp4l0-21swapper/019:55:150
111391230,0ptp4l0-21swapper/019:45:130
111391230,0ptp4l0-21swapper/019:40:130
111391230,0ptp4l0-21swapper/000:39:090
111391230,0ptp4l0-21swapper/000:30:130
111391230,0ptp4l0-21swapper/000:00:030
111391220,0ptp4l49-21ksoftirqd/421:50:314
111391220,0ptp4l0-21swapper/623:04:096
111391220,0ptp4l0-21swapper/622:57:206
111391220,0ptp4l0-21swapper/622:49:556
111391220,0ptp4l0-21swapper/622:18:546
111391220,0ptp4l0-21swapper/600:18:546
111391220,0ptp4l0-21swapper/600:09:506
111391220,0ptp4l0-21swapper/523:51:065
111391220,0ptp4l0-21swapper/523:45:135
111391220,0ptp4l0-21swapper/523:22:045
111391220,0ptp4l0-21swapper/522:23:025
111391220,0ptp4l0-21swapper/522:10:415
111391220,0ptp4l0-21swapper/521:58:185
111391220,0ptp4l0-21swapper/521:22:575
111391220,0ptp4l0-21swapper/520:40:185
111391220,0ptp4l0-21swapper/500:21:445
111391220,0ptp4l0-21swapper/500:03:435
111391220,0ptp4l0-21swapper/423:25:144
111391220,0ptp4l0-21swapper/421:05:184
111391220,0ptp4l0-21swapper/420:55:124
111391220,0ptp4l0-21swapper/419:45:194
111391220,0ptp4l0-21swapper/223:19:062
111391220,0ptp4l0-21swapper/222:25:472
111391220,0ptp4l0-21swapper/222:17:462
111391220,0ptp4l0-21swapper/222:10:152
111391220,0ptp4l0-21swapper/222:07:092
111391220,0ptp4l0-21swapper/222:04:012
111391220,0ptp4l0-21swapper/221:45:482
111391220,0ptp4l0-21swapper/221:33:492
111391220,0ptp4l0-21swapper/221:12:482
111391220,0ptp4l0-21swapper/219:30:172
111391220,0ptp4l0-21swapper/200:39:242
111391220,0ptp4l0-21swapper/200:30:282
111391220,0ptp4l0-21swapper/200:22:322
111391220,0ptp4l0-21swapper/200:18:242
111391220,0ptp4l0-21swapper/123:51:071
111391220,0ptp4l0-21swapper/123:45:131
111391220,0ptp4l0-21swapper/123:31:581
111391220,0ptp4l0-21swapper/123:02:201
111391220,0ptp4l0-21swapper/122:41:521
111391220,0ptp4l0-21swapper/122:31:051
111391220,0ptp4l0-21swapper/121:41:481
111391220,0ptp4l0-21swapper/121:37:111
111391220,0ptp4l0-21swapper/121:07:161
111391220,0ptp4l0-21swapper/119:18:111
111391220,0ptp4l0-21swapper/100:03:571
111391220,0ptp4l0-21swapper/023:46:170
111391220,0ptp4l0-21swapper/023:12:450
111391220,0ptp4l0-21swapper/023:01:390
111391220,0ptp4l0-21swapper/022:30:100
111391220,0ptp4l0-21swapper/021:00:150
111391220,0ptp4l0-21swapper/020:30:120
111391220,0ptp4l0-21swapper/020:25:100
111391220,0ptp4l0-21swapper/020:15:150
111391220,0ptp4l0-21swapper/019:35:120
111391220,0ptp4l0-21swapper/019:30:190
111391220,0ptp4l0-21swapper/019:25:110
111391220,0ptp4l0-21swapper/019:20:080
111391220,0ptp4l0-21swapper/000:25:100
111391210,0ptp4l33-21ksoftirqd/221:24:552
111391210,0ptp4l0-21swapper/721:40:367
111391210,0ptp4l0-21swapper/623:17:176
111391210,0ptp4l0-21swapper/622:50:566
111391210,0ptp4l0-21swapper/622:50:566
111391210,0ptp4l0-21swapper/622:24:106
111391210,0ptp4l0-21swapper/622:06:506
111391210,0ptp4l0-21swapper/621:47:416
111391210,0ptp4l0-21swapper/619:25:156
111391210,0ptp4l0-21swapper/600:30:246
111391210,0ptp4l0-21swapper/600:22:346
111391210,0ptp4l0-21swapper/523:31:565
111391210,0ptp4l0-21swapper/522:56:565
111391210,0ptp4l0-21swapper/520:11:575
111391210,0ptp4l0-21swapper/520:11:565
111391210,0ptp4l0-21swapper/520:09:125
111391210,0ptp4l0-21swapper/520:03:575
111391210,0ptp4l0-21swapper/519:49:195
111391210,0ptp4l0-21swapper/500:07:165
111391210,0ptp4l0-21swapper/419:14:244
111391210,0ptp4l0-21swapper/223:50:022
111391210,0ptp4l0-21swapper/223:23:282
111391210,0ptp4l0-21swapper/223:04:142
111391210,0ptp4l0-21swapper/222:37:162
111391210,0ptp4l0-21swapper/222:32:252
111391210,0ptp4l0-21swapper/222:23:512
111391210,0ptp4l0-21swapper/220:59:132
111391210,0ptp4l0-21swapper/123:25:041
111391210,0ptp4l0-21swapper/122:51:461
111391210,0ptp4l0-21swapper/122:51:461
111391210,0ptp4l0-21swapper/122:36:541
111391210,0ptp4l0-21swapper/122:10:311
111391210,0ptp4l0-21swapper/122:09:541
111391210,0ptp4l0-21swapper/121:55:211
111391210,0ptp4l0-21swapper/121:50:501
111391210,0ptp4l0-21swapper/121:22:441
111391210,0ptp4l0-21swapper/120:22:391
111391210,0ptp4l0-21swapper/119:49:051
111391210,0ptp4l0-21swapper/119:38:561
111391210,0ptp4l0-21swapper/119:33:561
111391210,0ptp4l0-21swapper/100:38:311
111391210,0ptp4l0-21swapper/020:44:320
111391200,0ptp4l0-21swapper/621:25:386
111391200,0ptp4l0-21swapper/620:31:346
111391200,0ptp4l0-21swapper/521:50:505
111391200,0ptp4l0-21swapper/520:20:565
111391200,0ptp4l0-21swapper/519:21:125
111391200,0ptp4l0-21swapper/420:37:134
111391200,0ptp4l0-21swapper/222:57:222
111391200,0ptp4l0-21swapper/222:49:562
111391200,0ptp4l0-21swapper/221:40:442
111391200,0ptp4l0-21swapper/119:20:571
111391200,0ptp4l0-21swapper/100:14:461
302222190,0sleep30-21swapper/300:05:203
111391190,0ptp4l0-21swapper/622:42:546
111391190,0ptp4l0-21swapper/621:24:566
111391190,0ptp4l0-21swapper/523:02:385
111391190,0ptp4l0-21swapper/521:09:525
111391190,0ptp4l0-21swapper/519:36:115
111391190,0ptp4l0-21swapper/500:38:325
111391190,0ptp4l0-21swapper/500:11:035
111391190,0ptp4l0-21swapper/223:36:372
111391190,0ptp4l0-21swapper/222:50:042
111391190,0ptp4l0-21swapper/222:50:042
111391190,0ptp4l0-21swapper/221:55:392
111391190,0ptp4l0-21swapper/120:55:141
111391180,0ptp4l0-21swapper/719:10:157
111391180,0ptp4l0-21swapper/623:23:296
111391180,0ptp4l0-21swapper/619:59:386
111391180,0ptp4l0-21swapper/522:51:485
111391180,0ptp4l0-21swapper/522:51:485
111391180,0ptp4l0-21swapper/321:40:373
111391180,0ptp4l0-21swapper/223:27:092
111391180,0ptp4l0-21swapper/221:25:382
111391180,0ptp4l0-21swapper/219:54:152
111391180,0ptp4l0-21swapper/219:37:432
111391180,0ptp4l0-21swapper/020:35:590
111391170,2ptp4l0-21swapper/220:23:432
111391170,0ptp4l0-21swapper/623:36:406
111391170,0ptp4l0-21swapper/622:37:176
111391170,0ptp4l0-21swapper/519:51:425
111391170,0ptp4l0-21swapper/519:42:225
111391170,0ptp4l0-21swapper/223:50:002
111391170,0ptp4l0-21swapper/223:32:592
111391170,0ptp4l0-21swapper/019:14:340
111391160,0ptp4l0-21swapper/623:33:036
111391160,0ptp4l0-21swapper/621:57:516
111391160,0ptp4l0-21swapper/522:09:535
111391160,0ptp4l0-21swapper/521:00:465
111391160,0ptp4l0-21swapper/220:38:262
111391160,0ptp4l0-21swapper/220:34:192
111391160,0ptp4l0-21swapper/200:07:312
111391160,0ptp4l0-21swapper/122:27:121
111391160,0ptp4l0-21swapper/121:02:531
111391160,0ptp4l0-21swapper/120:51:161
111391160,0ptp4l0-21swapper/120:45:381
111391160,0ptp4l0-21swapper/120:33:411
111391160,0ptp4l0-21swapper/120:27:191
111391160,0ptp4l0-21swapper/119:56:531
111391160,0ptp4l0-21swapper/119:11:111
111391160,0ptp4l0-21swapper/100:34:521
111391150,0ptp4l0-21swapper/622:31:186
111391150,0ptp4l0-21swapper/621:08:396
111391150,0ptp4l0-21swapper/621:02:276
111391150,0ptp4l0-21swapper/620:55:456
111391150,0ptp4l0-21swapper/620:38:286
111391150,0ptp4l0-21swapper/620:24:156
111391150,0ptp4l0-21swapper/620:10:576
111391150,0ptp4l0-21swapper/620:10:576
111391150,0ptp4l0-21swapper/620:04:286
111391150,0ptp4l0-21swapper/619:54:076
111391150,0ptp4l0-21swapper/619:37:406
111391150,0ptp4l0-21swapper/619:21:236
111391150,0ptp4l0-21swapper/520:56:075
111391150,0ptp4l0-21swapper/520:51:185
111391150,0ptp4l0-21swapper/520:45:395
111391150,0ptp4l0-21swapper/520:34:035
111391150,0ptp4l0-21swapper/520:27:195
111391150,0ptp4l0-21swapper/520:16:535
111391150,0ptp4l0-21swapper/519:28:485
111391150,0ptp4l0-21swapper/519:16:125
111391150,0ptp4l0-21swapper/519:10:445
111391150,0ptp4l0-21swapper/221:05:492
111391150,0ptp4l0-21swapper/221:02:242
111391150,0ptp4l0-21swapper/220:54:462
111391150,0ptp4l0-21swapper/220:44:272
111391150,0ptp4l0-21swapper/220:15:362
111391150,0ptp4l0-21swapper/220:11:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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