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2025-11-15 - 12:12

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 Nov 15, 2025 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
183812690,0sleep557-21ksoftirqd/500:15:505
2120916433,26phc2sys0-21swapper/119:05:191
114091620,5ptp4l0-21swapper/019:05:050
2009326151,6sleep70-21swapper/719:06:347
3092560,0sleep30-21swapper/322:21:253
114091550,6ptp4l0-21swapper/519:06:535
2034625443,6sleep30-21swapper/319:09:503
1844225443,6sleep60-21swapper/619:05:046
114091520,3ptp4l0-21swapper/419:09:444
2030725038,7sleep20-21swapper/219:09:172
114091340,0ptp4l0-21swapper/020:50:000
114091310,0ptp4l0-21swapper/622:35:186
114091310,0ptp4l0-21swapper/621:31:016
114091310,0ptp4l0-21swapper/500:25:135
114091310,0ptp4l0-21swapper/200:20:182
114091300,0ptp4l0-21swapper/723:28:157
114091300,0ptp4l0-21swapper/600:26:546
114091300,0ptp4l0-21swapper/523:40:185
114091300,0ptp4l0-21swapper/123:40:191
114091300,0ptp4l0-21swapper/023:05:200
114091290,0ptp4l15260-21ssh22:41:577
114091290,0ptp4l15260-21ssh22:41:577
114091290,0ptp4l0-21swapper/623:04:406
114091290,0ptp4l0-21swapper/622:13:006
114091290,0ptp4l0-21swapper/600:20:026
114091290,0ptp4l0-21swapper/600:01:206
114091290,0ptp4l0-21swapper/521:05:175
114091290,0ptp4l0-21swapper/421:43:344
114091290,0ptp4l0-21swapper/400:15:094
114091290,0ptp4l0-21swapper/122:47:131
114091290,0ptp4l0-21swapper/023:55:210
114091290,0ptp4l0-21swapper/023:45:120
114091280,2ptp4l0-21swapper/100:05:171
114091280,0ptp4l0-21swapper/622:30:526
114091280,0ptp4l0-21swapper/000:32:030
114091270,0ptp4l0-21swapper/621:19:246
114091270,0ptp4l0-21swapper/600:10:076
114091270,0ptp4l0-21swapper/523:50:505
114091270,0ptp4l0-21swapper/523:35:385
114091270,0ptp4l0-21swapper/523:18:245
114091270,0ptp4l0-21swapper/422:08:484
114091270,0ptp4l0-21swapper/123:20:431
114091270,0ptp4l0-21swapper/100:32:501
114091270,0ptp4l0-21swapper/023:33:090
114091270,0ptp4l0-21swapper/023:11:520
114091270,0ptp4l0-21swapper/021:24:110
114091270,0ptp4l0-21swapper/000:13:570
114091260,2ptp4l0-21swapper/123:16:511
114091260,0ptp4l0-21swapper/622:58:126
114091260,0ptp4l0-21swapper/523:23:395
114091260,0ptp4l0-21swapper/521:26:035
114091260,0ptp4l0-21swapper/421:52:474
114091260,0ptp4l0-21swapper/421:39:194
114091260,0ptp4l0-21swapper/321:37:113
114091260,0ptp4l0-21swapper/320:55:163
114091260,0ptp4l0-21swapper/200:12:302
114091260,0ptp4l0-21swapper/123:00:101
114091260,0ptp4l0-21swapper/121:47:201
114091260,0ptp4l0-21swapper/021:27:390
114091260,0ptp4l0-21swapper/020:18:170
114091250,2ptp4l0-21swapper/622:03:136
114091250,1ptp4l27566-21memory21:30:192
114091250,1ptp4l26814-21memory19:20:181
114091250,0ptp4l0-21swapper/621:50:136
114091250,0ptp4l0-21swapper/620:45:016
114091250,0ptp4l0-21swapper/523:31:565
114091250,0ptp4l0-21swapper/520:30:135
114091250,0ptp4l0-21swapper/520:15:115
114091250,0ptp4l0-21swapper/500:14:565
114091250,0ptp4l0-21swapper/423:35:154
114091250,0ptp4l0-21swapper/423:15:144
114091250,0ptp4l0-21swapper/422:30:004
114091250,0ptp4l0-21swapper/421:15:424
114091250,0ptp4l0-21swapper/419:50:124
114091250,0ptp4l0-21swapper/419:15:004
114091250,0ptp4l0-21swapper/400:40:004
114091250,0ptp4l0-21swapper/321:07:293
114091250,0ptp4l0-21swapper/319:26:153
114091250,0ptp4l0-21swapper/223:55:032
114091250,0ptp4l0-21swapper/223:05:192
114091250,0ptp4l0-21swapper/221:20:162
114091250,0ptp4l0-21swapper/220:45:232
114091250,0ptp4l0-21swapper/120:30:111
114091250,0ptp4l0-21swapper/100:22:561
114091250,0ptp4l0-21swapper/023:40:210
114091250,0ptp4l0-21swapper/023:35:230
114091250,0ptp4l0-21swapper/023:17:350
114091250,0ptp4l0-21swapper/022:10:200
114091250,0ptp4l0-21swapper/022:07:320
114091250,0ptp4l0-21swapper/021:48:030
114091250,0ptp4l0-21swapper/021:34:020
114091250,0ptp4l0-21swapper/000:28:400
114091240,1ptp4l645-21grep23:50:200
114091240,1ptp4l26554-21cat21:30:006
114091240,1ptp4l23414-21hddtemp_smartct21:25:141
114091240,1ptp4l1709-21cat19:35:194
114091240,1ptp4l13853-21smartctl21:55:195
114091240,1ptp4l11021-21timerandwakeup19:55:204
114091240,0ptp4l13682-21ssh21:10:472
114091240,0ptp4l0-21swapper/722:24:207
114091240,0ptp4l0-21swapper/622:19:366
114091240,0ptp4l0-21swapper/619:30:186
114091240,0ptp4l0-21swapper/522:36:235
114091240,0ptp4l0-21swapper/522:05:165
114091240,0ptp4l0-21swapper/519:25:195
114091240,0ptp4l0-21swapper/423:45:174
114091240,0ptp4l0-21swapper/423:40:224
114091240,0ptp4l0-21swapper/423:33:144
114091240,0ptp4l0-21swapper/423:10:184
114091240,0ptp4l0-21swapper/421:55:164
114091240,0ptp4l0-21swapper/419:45:204
114091240,0ptp4l0-21swapper/400:29:444
114091240,0ptp4l0-21swapper/323:27:493
114091240,0ptp4l0-21swapper/322:41:263
114091240,0ptp4l0-21swapper/322:41:263
114091240,0ptp4l0-21swapper/223:15:002
114091240,0ptp4l0-21swapper/222:35:422
114091240,0ptp4l0-21swapper/222:30:272
114091240,0ptp4l0-21swapper/220:25:152
114091240,0ptp4l0-21swapper/121:21:131
114091240,0ptp4l0-21swapper/022:51:280
114091240,0ptp4l0-21swapper/022:43:000
114091240,0ptp4l0-21swapper/022:43:000
114091240,0ptp4l0-21swapper/021:53:210
114091240,0ptp4l0-21swapper/021:35:210
114091240,0ptp4l0-21swapper/000:02:510
114091230,7ptp4l0-21swapper/121:01:521
114091230,1ptp4l801-21kworker/u16:023:06:541
114091230,1ptp4l14007-21timerandwakeup21:55:200
114091230,0ptp4l17143-21/usr/sbin/munin00:15:151
114091230,0ptp4l11495-21diskmemload23:25:580
114091230,0ptp4l0-21swapper/720:55:127
114091230,0ptp4l0-21swapper/720:40:167
114091230,0ptp4l0-21swapper/719:26:257
114091230,0ptp4l0-21swapper/623:55:126
114091230,0ptp4l0-21swapper/623:53:406
114091230,0ptp4l0-21swapper/623:15:006
114091230,0ptp4l0-21swapper/622:20:136
114091230,0ptp4l0-21swapper/621:45:136
114091230,0ptp4l0-21swapper/621:20:186
114091230,0ptp4l0-21swapper/621:00:396
114091230,0ptp4l0-21swapper/620:45:206
114091230,0ptp4l0-21swapper/620:25:136
114091230,0ptp4l0-21swapper/600:30:226
114091230,0ptp4l0-21swapper/600:18:246
114091230,0ptp4l0-21swapper/600:06:146
114091230,0ptp4l0-21swapper/523:25:055
114091230,0ptp4l0-21swapper/523:10:215
114091230,0ptp4l0-21swapper/522:50:195
114091230,0ptp4l0-21swapper/522:45:215
114091230,0ptp4l0-21swapper/522:40:195
114091230,0ptp4l0-21swapper/522:40:195
114091230,0ptp4l0-21swapper/522:10:165
114091230,0ptp4l0-21swapper/521:15:145
114091230,0ptp4l0-21swapper/521:10:205
114091230,0ptp4l0-21swapper/520:35:175
114091230,0ptp4l0-21swapper/520:10:025
114091230,0ptp4l0-21swapper/520:10:015
114091230,0ptp4l0-21swapper/519:50:165
114091230,0ptp4l0-21swapper/500:34:035
114091230,0ptp4l0-21swapper/423:57:094
114091230,0ptp4l0-21swapper/423:20:174
114091230,0ptp4l0-21swapper/423:05:214
114091230,0ptp4l0-21swapper/423:00:134
114091230,0ptp4l0-21swapper/422:55:184
114091230,0ptp4l0-21swapper/422:50:174
114091230,0ptp4l0-21swapper/422:45:174
114091230,0ptp4l0-21swapper/422:10:194
114091230,0ptp4l0-21swapper/421:10:164
114091230,0ptp4l0-21swapper/421:05:214
114091230,0ptp4l0-21swapper/420:50:174
114091230,0ptp4l0-21swapper/420:35:154
114091230,0ptp4l0-21swapper/420:30:204
114091230,0ptp4l0-21swapper/420:20:194
114091230,0ptp4l0-21swapper/420:15:134
114091230,0ptp4l0-21swapper/420:10:124
114091230,0ptp4l0-21swapper/420:10:124
114091230,0ptp4l0-21swapper/419:20:224
114091230,0ptp4l0-21swapper/419:15:154
114091230,0ptp4l0-21swapper/400:05:224
114091230,0ptp4l0-21swapper/400:00:124
114091230,0ptp4l0-21swapper/323:46:193
114091230,0ptp4l0-21swapper/321:40:173
114091230,0ptp4l0-21swapper/320:40:183
114091230,0ptp4l0-21swapper/222:57:352
114091230,0ptp4l0-21swapper/222:25:202
114091230,0ptp4l0-21swapper/222:20:142
114091230,0ptp4l0-21swapper/222:13:592
114091230,0ptp4l0-21swapper/221:50:142
114091230,0ptp4l0-21swapper/221:36:142
114091230,0ptp4l0-21swapper/219:30:142
114091230,0ptp4l0-21swapper/200:30:002
114091230,0ptp4l0-21swapper/122:38:471
114091230,0ptp4l0-21swapper/122:26:181
114091230,0ptp4l0-21swapper/122:10:531
114091230,0ptp4l0-21swapper/121:55:181
114091230,0ptp4l0-21swapper/121:05:171
114091230,0ptp4l0-21swapper/120:10:201
114091230,0ptp4l0-21swapper/120:10:191
114091230,0ptp4l0-21swapper/120:05:191
114091230,0ptp4l0-21swapper/120:05:191
114091230,0ptp4l0-21swapper/119:25:161
114091230,0ptp4l0-21swapper/023:20:200
114091230,0ptp4l0-21swapper/023:00:200
114091230,0ptp4l0-21swapper/022:55:170
114091230,0ptp4l0-21swapper/022:34:290
114091230,0ptp4l0-21swapper/022:20:490
114091230,0ptp4l0-21swapper/022:15:230
114091230,0ptp4l0-21swapper/021:15:180
114091230,0ptp4l0-21swapper/021:10:170
114091230,0ptp4l0-21swapper/021:00:120
114091230,0ptp4l0-21swapper/020:50:150
114091230,0ptp4l0-21swapper/020:35:140
114091230,0ptp4l0-21swapper/020:20:150
114091230,0ptp4l0-21swapper/020:10:150
114091230,0ptp4l0-21swapper/020:10:150
114091230,0ptp4l0-21swapper/020:00:210
114091230,0ptp4l0-21swapper/019:45:220
114091230,0ptp4l0-21swapper/019:35:120
114091230,0ptp4l0-21swapper/019:25:130
114091230,0ptp4l0-21swapper/019:20:210
114091230,0ptp4l0-21swapper/019:15:160
114091230,0ptp4l0-21swapper/019:10:160
114091230,0ptp4l0-21swapper/000:35:160
114091230,0ptp4l0-21swapper/000:15:210
114091230,0ptp4l0-21swapper/000:05:140
114091220,2ptp4l0-21swapper/222:00:072
114091220,0ptp4l0-21swapper/720:54:427
114091220,0ptp4l0-21swapper/720:00:227
114091220,0ptp4l0-21swapper/623:30:016
114091220,0ptp4l0-21swapper/623:05:186
114091220,0ptp4l0-21swapper/622:25:206
114091220,0ptp4l0-21swapper/622:00:006
114091220,0ptp4l0-21swapper/621:35:476
114091220,0ptp4l0-21swapper/620:56:166
114091220,0ptp4l0-21swapper/619:58:156
114091220,0ptp4l0-21swapper/619:16:316
114091220,0ptp4l0-21swapper/523:56:045
114091220,0ptp4l0-21swapper/523:45:445
114091220,0ptp4l0-21swapper/523:05:265
114091220,0ptp4l0-21swapper/523:02:075
114091220,0ptp4l0-21swapper/521:44:295
114091220,0ptp4l0-21swapper/521:37:335
114091220,0ptp4l0-21swapper/521:00:155
114091220,0ptp4l0-21swapper/520:53:125
114091220,0ptp4l0-21swapper/520:29:475
114091220,0ptp4l0-21swapper/520:20:165
114091220,0ptp4l0-21swapper/520:05:175
114091220,0ptp4l0-21swapper/520:05:175
114091220,0ptp4l0-21swapper/519:55:145
114091220,0ptp4l0-21swapper/519:40:215
114091220,0ptp4l0-21swapper/519:20:205
114091220,0ptp4l0-21swapper/519:11:305
114091220,0ptp4l0-21swapper/500:36:515
114091220,0ptp4l0-21swapper/500:21:225
114091220,0ptp4l0-21swapper/423:50:124
114091220,0ptp4l0-21swapper/423:25:164
114091220,0ptp4l0-21swapper/422:44:294
114091220,0ptp4l0-21swapper/422:44:294
114091220,0ptp4l0-21swapper/422:35:094
114091220,0ptp4l0-21swapper/422:32:244
114091220,0ptp4l0-21swapper/422:21:024
114091220,0ptp4l0-21swapper/421:46:474
114091220,0ptp4l0-21swapper/421:31:154
114091220,0ptp4l0-21swapper/421:25:184
114091220,0ptp4l0-21swapper/421:20:234
114091220,0ptp4l0-21swapper/421:00:184
114091220,0ptp4l0-21swapper/420:58:444
114091220,0ptp4l0-21swapper/420:27:174
114091220,0ptp4l0-21swapper/419:40:174
114091220,0ptp4l0-21swapper/419:25:124
114091220,0ptp4l0-21swapper/400:33:204
114091220,0ptp4l0-21swapper/400:21:554
114091220,0ptp4l0-21swapper/400:10:154
114091220,0ptp4l0-21swapper/223:54:542
114091220,0ptp4l0-21swapper/223:03:032
114091220,0ptp4l0-21swapper/222:17:092
114091220,0ptp4l0-21swapper/221:57:172
114091220,0ptp4l0-21swapper/221:46:162
114091220,0ptp4l0-21swapper/221:41:332
114091220,0ptp4l0-21swapper/221:28:112
114091220,0ptp4l0-21swapper/221:18:292
114091220,0ptp4l0-21swapper/220:56:232
114091220,0ptp4l0-21swapper/220:16:412
114091220,0ptp4l0-21swapper/219:35:002
114091220,0ptp4l0-21swapper/200:36:262
114091220,0ptp4l0-21swapper/200:30:122
114091220,0ptp4l0-21swapper/200:07:442
114091220,0ptp4l0-21swapper/200:01:202
114091220,0ptp4l0-21swapper/123:48:251
114091220,0ptp4l0-21swapper/123:26:531
114091220,0ptp4l0-21swapper/123:10:371
114091220,0ptp4l0-21swapper/122:59:531
114091220,0ptp4l0-21swapper/122:50:141
114091220,0ptp4l0-21swapper/122:40:171
114091220,0ptp4l0-21swapper/122:40:161
114091220,0ptp4l0-21swapper/122:33:191
114091220,0ptp4l0-21swapper/121:53:481
114091220,0ptp4l0-21swapper/121:42:521
114091220,0ptp4l0-21swapper/121:39:131
114091220,0ptp4l0-21swapper/121:13:441
114091220,0ptp4l0-21swapper/120:59:081
114091220,0ptp4l0-21swapper/120:52:191
114091220,0ptp4l0-21swapper/120:01:321
114091220,0ptp4l0-21swapper/119:55:151
114091220,0ptp4l0-21swapper/119:50:161
114091220,0ptp4l0-21swapper/119:40:201
114091220,0ptp4l0-21swapper/119:35:141
114091220,0ptp4l0-21swapper/119:10:131
114091220,0ptp4l0-21swapper/100:14:381
114091220,0ptp4l0-21swapper/022:45:130
114091220,0ptp4l0-21swapper/022:26:030
114091220,0ptp4l0-21swapper/022:04:430
114091220,0ptp4l0-21swapper/021:05:240
114091220,0ptp4l0-21swapper/020:30:010
114091220,0ptp4l0-21swapper/020:05:210
114091220,0ptp4l0-21swapper/020:05:210
114091220,0ptp4l0-21swapper/019:50:120
114091220,0ptp4l0-21swapper/019:40:150
114091220,0ptp4l0-21swapper/000:22:350
33622210,1sleep23354-21latency20:50:162
114091210,1ptp4l16631-21turbostat23:30:002
114091210,0ptp4l0-21swapper/723:46:267
114091210,0ptp4l0-21swapper/722:25:017
114091210,0ptp4l0-21swapper/721:40:167
114091210,0ptp4l0-21swapper/719:18:157
114091210,0ptp4l0-21swapper/623:33:416
114091210,0ptp4l0-21swapper/621:08:456
114091210,0ptp4l0-21swapper/620:37:416
114091210,0ptp4l0-21swapper/619:48:156
114091210,0ptp4l0-21swapper/619:44:156
114091210,0ptp4l0-21swapper/619:39:286
114091210,0ptp4l0-21swapper/522:59:415
114091210,0ptp4l0-21swapper/522:32:475
114091210,0ptp4l0-21swapper/522:25:435
114091210,0ptp4l0-21swapper/522:21:285
114091210,0ptp4l0-21swapper/522:15:245
114091210,0ptp4l0-21swapper/521:46:395
114091210,0ptp4l0-21swapper/521:21:455
114091210,0ptp4l0-21swapper/520:56:515
114091210,0ptp4l0-21swapper/520:47:495
114091210,0ptp4l0-21swapper/519:45:245
114091210,0ptp4l0-21swapper/500:01:515
114091210,0ptp4l0-21swapper/422:04:594
114091210,0ptp4l0-21swapper/420:41:444
114091210,0ptp4l0-21swapper/420:05:254
114091210,0ptp4l0-21swapper/420:05:244
114091210,0ptp4l0-21swapper/420:00:164
114091210,0ptp4l0-21swapper/322:25:023
114091210,0ptp4l0-21swapper/320:54:133
114091210,0ptp4l0-21swapper/320:00:233
114091210,0ptp4l0-21swapper/223:47:552
114091210,0ptp4l0-21swapper/223:33:282
114091210,0ptp4l0-21swapper/223:17:062
114091210,0ptp4l0-21swapper/222:51:012
114091210,0ptp4l0-21swapper/220:03:152
114091210,0ptp4l0-21swapper/219:44:202
114091210,0ptp4l0-21swapper/200:18:112
114091210,0ptp4l0-21swapper/123:55:361
114091210,0ptp4l0-21swapper/123:36:371
114091210,0ptp4l0-21swapper/123:31:241
114091210,0ptp4l0-21swapper/122:22:221
114091210,0ptp4l0-21swapper/122:07:281
114091210,0ptp4l0-21swapper/121:16:291
114091210,0ptp4l0-21swapper/120:28:441
114091210,0ptp4l0-21swapper/119:15:581
114091210,0ptp4l0-21swapper/100:35:341
114091210,0ptp4l0-21swapper/100:29:121
114091210,0ptp4l0-21swapper/100:00:321
114091210,0ptp4l0-21swapper/022:37:270
114091210,0ptp4l0-21swapper/021:41:000
114091210,0ptp4l0-21swapper/020:57:520
114091210,0ptp4l0-21swapper/020:28:160
114091210,0ptp4l0-21swapper/019:55:180
114091200,0ptp4l0-21swapper/721:37:157
114091200,0ptp4l0-21swapper/621:41:386
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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