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2025-12-07 - 06:35

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 Sun Dec 07, 2025 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
158812980,0sleep40-21swapper/400:16:224
114091640,5ptp4l0-21swapper/119:09:211
114091620,5ptp4l0-21swapper/619:05:526
1968525948,6sleep30-21swapper/319:09:033
1957825948,6sleep70-21swapper/719:07:387
110342590,0sleep70-21swapper/700:10:007
2120915733,7phc2sys0-21swapper/419:06:564
114091570,5ptp4l0-21swapper/519:08:225
114091560,5ptp4l0-21swapper/219:05:522
1947325432,7sleep00-21swapper/019:06:260
114091350,0ptp4l0-21swapper/119:40:221
114091350,0ptp4l0-21swapper/022:05:000
114091350,0ptp4l0-21swapper/022:05:000
114091340,0ptp4l0-21swapper/100:20:001
114091330,0ptp4l0-21swapper/223:15:192
114091330,0ptp4l0-21swapper/221:10:452
114091330,0ptp4l0-21swapper/123:19:301
114091330,0ptp4l0-21swapper/122:27:231
114091320,0ptp4l0-21swapper/222:37:332
114091320,0ptp4l0-21swapper/122:24:271
114091310,0ptp4l0-21swapper/123:49:461
114091310,0ptp4l0-21swapper/123:30:011
114091310,0ptp4l0-21swapper/023:55:110
114091310,0ptp4l0-21swapper/023:12:470
114091300,4ptp4l241ktimersoftd/120:25:001
114091300,0ptp4l0-21swapper/222:14:552
114091300,0ptp4l0-21swapper/222:14:552
114091300,0ptp4l0-21swapper/123:01:431
114091290,0ptp4l241ktimersoftd/123:10:231
114091290,0ptp4l0-21swapper/523:49:265
114091290,0ptp4l0-21swapper/223:45:042
114091290,0ptp4l0-21swapper/221:38:292
114091290,0ptp4l0-21swapper/122:46:161
114091290,0ptp4l0-21swapper/023:52:260
114091290,0ptp4l0-21swapper/021:46:350
114091280,1ptp4l14465-21if_enp0s2500:15:151
114091280,0ptp4l0-21swapper/523:24:045
114091280,0ptp4l0-21swapper/522:54:085
114091280,0ptp4l0-21swapper/422:29:214
114091280,0ptp4l0-21swapper/223:57:222
114091280,0ptp4l0-21swapper/121:30:481
114091280,0ptp4l0-21swapper/100:27:051
114091270,0ptp4l0-21swapper/523:51:395
114091270,0ptp4l0-21swapper/522:39:055
114091270,0ptp4l0-21swapper/521:28:595
114091270,0ptp4l0-21swapper/500:12:005
114091270,0ptp4l0-21swapper/200:07:252
114091270,0ptp4l0-21swapper/123:52:551
114091270,0ptp4l0-21swapper/123:20:211
114091270,0ptp4l0-21swapper/121:40:131
114091270,0ptp4l0-21swapper/121:11:381
114091270,0ptp4l0-21swapper/100:02:181
114091270,0ptp4l0-21swapper/023:39:140
114091260,6ptp4l0-21swapper/119:24:251
114091260,1ptp4l9547-21sh21:50:210
114091260,0ptp4l0-21swapper/623:16:386
114091260,0ptp4l0-21swapper/622:17:066
114091260,0ptp4l0-21swapper/621:43:086
114091260,0ptp4l0-21swapper/523:07:135
114091260,0ptp4l0-21swapper/522:55:145
114091260,0ptp4l0-21swapper/521:35:075
114091260,0ptp4l0-21swapper/521:30:405
114091260,0ptp4l0-21swapper/521:10:165
114091260,0ptp4l0-21swapper/520:45:205
114091260,0ptp4l0-21swapper/520:25:215
114091260,0ptp4l0-21swapper/222:15:192
114091260,0ptp4l0-21swapper/200:19:522
114091260,0ptp4l0-21swapper/123:07:291
114091260,0ptp4l0-21swapper/122:51:181
114091260,0ptp4l0-21swapper/121:36:531
114091260,0ptp4l0-21swapper/119:30:331
114091260,0ptp4l0-21swapper/119:30:321
114091260,0ptp4l0-21swapper/100:31:451
114091260,0ptp4l0-21swapper/100:11:061
114091260,0ptp4l0-21swapper/023:17:570
114091260,0ptp4l0-21swapper/022:42:250
114091260,0ptp4l0-21swapper/022:21:130
114091260,0ptp4l0-21swapper/020:05:180
114091250,1ptp4l25817-21irqrtprio20:30:184
114091250,1ptp4l23763-21irqstats19:15:151
114091250,1ptp4l2356-21diskstats20:50:141
114091250,0ptp4l0-21swapper/623:03:216
114091250,0ptp4l0-21swapper/523:30:215
114091250,0ptp4l0-21swapper/523:25:075
114091250,0ptp4l0-21swapper/523:10:205
114091250,0ptp4l0-21swapper/520:55:225
114091250,0ptp4l0-21swapper/500:30:205
114091250,0ptp4l0-21swapper/500:03:465
114091250,0ptp4l0-21swapper/422:07:214
114091250,0ptp4l0-21swapper/422:07:214
114091250,0ptp4l0-21swapper/400:25:184
114091250,0ptp4l0-21swapper/219:31:552
114091250,0ptp4l0-21swapper/219:31:552
114091250,0ptp4l0-21swapper/200:37:262
114091250,0ptp4l0-21swapper/123:56:001
114091250,0ptp4l0-21swapper/122:55:151
114091250,0ptp4l0-21swapper/122:34:021
114091250,0ptp4l0-21swapper/121:46:271
114091250,0ptp4l0-21swapper/022:26:090
114091250,0ptp4l0-21swapper/021:15:530
114091250,0ptp4l0-21swapper/021:15:000
2005099240,20cyclictest87350irq/31-eno1-rx-23:55:345
114091240,1ptp4l5644-21/usr/sbin/munin20:55:211
114091240,1ptp4l29988-21basename21:35:130
114091240,1ptp4l29304-21cat21:35:004
114091240,1ptp4l26543-21latency23:00:165
114091240,1ptp4l20929-21diskstats20:20:135
114091240,1ptp4l19445-21memory22:50:162
114091240,1ptp4l18254-21ssh22:50:002
114091240,1ptp4l13306-21unixbench_singl21:55:194
114091240,0ptp4l23347-21strings21:25:171
114091240,0ptp4l20957-21hddtemp_smartct20:20:141
114091240,0ptp4l20635-21ssh23:37:156
114091240,0ptp4l0-21swapper/700:35:207
114091240,0ptp4l0-21swapper/700:34:157
114091240,0ptp4l0-21swapper/622:34:466
114091240,0ptp4l0-21swapper/621:00:236
114091240,0ptp4l0-21swapper/600:05:136
114091240,0ptp4l0-21swapper/523:20:005
114091240,0ptp4l0-21swapper/522:30:195
114091240,0ptp4l0-21swapper/521:50:145
114091240,0ptp4l0-21swapper/521:05:185
114091240,0ptp4l0-21swapper/500:27:315
114091240,0ptp4l0-21swapper/423:45:224
114091240,0ptp4l0-21swapper/421:35:124
114091240,0ptp4l0-21swapper/421:25:204
114091240,0ptp4l0-21swapper/421:15:164
114091240,0ptp4l0-21swapper/400:20:204
114091240,0ptp4l0-21swapper/223:43:402
114091240,0ptp4l0-21swapper/221:42:372
114091240,0ptp4l0-21swapper/123:29:081
114091240,0ptp4l0-21swapper/122:10:411
114091240,0ptp4l0-21swapper/122:10:411
114091240,0ptp4l0-21swapper/122:06:161
114091240,0ptp4l0-21swapper/122:06:161
114091240,0ptp4l0-21swapper/121:24:331
114091240,0ptp4l0-21swapper/120:45:151
114091240,0ptp4l0-21swapper/120:40:151
114091240,0ptp4l0-21swapper/120:37:171
114091240,0ptp4l0-21swapper/120:31:291
114091240,0ptp4l0-21swapper/120:19:271
114091240,0ptp4l0-21swapper/120:00:141
114091240,0ptp4l0-21swapper/119:10:131
114091240,0ptp4l0-21swapper/023:20:310
114091240,0ptp4l0-21swapper/022:30:150
114091240,0ptp4l0-21swapper/022:19:590
114091240,0ptp4l0-21swapper/019:37:000
114091240,0ptp4l0-21swapper/019:37:000
114091240,0ptp4l0-21swapper/000:21:520
114091230,1ptp4l11771-21idleruntime20:00:160
114091230,0ptp4l0-21swapper/623:44:336
114091230,0ptp4l0-21swapper/622:50:136
114091230,0ptp4l0-21swapper/622:49:566
114091230,0ptp4l0-21swapper/621:39:356
114091230,0ptp4l0-21swapper/621:20:136
114091230,0ptp4l0-21swapper/523:39:425
114091230,0ptp4l0-21swapper/522:45:205
114091230,0ptp4l0-21swapper/522:40:125
114091230,0ptp4l0-21swapper/522:25:215
114091230,0ptp4l0-21swapper/522:20:205
114091230,0ptp4l0-21swapper/522:10:185
114091230,0ptp4l0-21swapper/522:10:185
114091230,0ptp4l0-21swapper/522:00:185
114091230,0ptp4l0-21swapper/521:40:185
114091230,0ptp4l0-21swapper/520:50:205
114091230,0ptp4l0-21swapper/520:35:135
114091230,0ptp4l0-21swapper/520:05:205
114091230,0ptp4l0-21swapper/519:55:095
114091230,0ptp4l0-21swapper/519:45:175
114091230,0ptp4l0-21swapper/519:35:125
114091230,0ptp4l0-21swapper/519:35:115
114091230,0ptp4l0-21swapper/519:25:185
114091230,0ptp4l0-21swapper/519:10:165
114091230,0ptp4l0-21swapper/500:40:015
114091230,0ptp4l0-21swapper/500:10:005
114091230,0ptp4l0-21swapper/423:55:124
114091230,0ptp4l0-21swapper/423:35:174
114091230,0ptp4l0-21swapper/423:26:074
114091230,0ptp4l0-21swapper/423:10:174
114091230,0ptp4l0-21swapper/423:05:174
114091230,0ptp4l0-21swapper/422:52:234
114091230,0ptp4l0-21swapper/422:40:214
114091230,0ptp4l0-21swapper/422:00:234
114091230,0ptp4l0-21swapper/421:50:204
114091230,0ptp4l0-21swapper/421:49:434
114091230,0ptp4l0-21swapper/421:05:134
114091230,0ptp4l0-21swapper/420:05:184
114091230,0ptp4l0-21swapper/419:55:144
114091230,0ptp4l0-21swapper/419:40:194
114091230,0ptp4l0-21swapper/419:30:154
114091230,0ptp4l0-21swapper/419:30:144
114091230,0ptp4l0-21swapper/419:20:174
114091230,0ptp4l0-21swapper/222:31:292
114091230,0ptp4l0-21swapper/221:53:492
114091230,0ptp4l0-21swapper/221:20:212
114091230,0ptp4l0-21swapper/221:18:382
114091230,0ptp4l0-21swapper/123:40:141
114091230,0ptp4l0-21swapper/123:35:221
114091230,0ptp4l0-21swapper/122:40:191
114091230,0ptp4l0-21swapper/122:18:571
114091230,0ptp4l0-21swapper/122:00:231
114091230,0ptp4l0-21swapper/121:55:191
114091230,0ptp4l0-21swapper/121:50:131
114091230,0ptp4l0-21swapper/121:05:171
114091230,0ptp4l0-21swapper/120:10:201
114091230,0ptp4l0-21swapper/119:55:201
114091230,0ptp4l0-21swapper/119:50:151
114091230,0ptp4l0-21swapper/119:45:171
114091230,0ptp4l0-21swapper/119:25:141
114091230,0ptp4l0-21swapper/023:45:200
114091230,0ptp4l0-21swapper/023:40:190
114091230,0ptp4l0-21swapper/022:14:150
114091230,0ptp4l0-21swapper/022:14:150
114091230,0ptp4l0-21swapper/022:01:150
114091230,0ptp4l0-21swapper/021:05:210
114091230,0ptp4l0-21swapper/020:30:160
114091230,0ptp4l0-21swapper/020:20:190
114091230,0ptp4l0-21swapper/020:15:210
114091230,0ptp4l0-21swapper/019:55:150
114091230,0ptp4l0-21swapper/019:45:010
114091230,0ptp4l0-21swapper/019:30:170
114091230,0ptp4l0-21swapper/019:30:170
114091230,0ptp4l0-21swapper/019:20:130
114091230,0ptp4l0-21swapper/000:25:140
114091230,0ptp4l0-21swapper/000:12:070
114091230,0ptp4l0-21swapper/000:06:580
114091220,1ptp4l19741-21ssh00:22:265
114091220,0ptp4l0-21swapper/623:58:126
114091220,0ptp4l0-21swapper/623:27:056
114091220,0ptp4l0-21swapper/622:35:486
114091220,0ptp4l0-21swapper/621:53:566
114091220,0ptp4l0-21swapper/621:19:596
114091220,0ptp4l0-21swapper/600:17:416
114091220,0ptp4l0-21swapper/523:40:035
114091220,0ptp4l0-21swapper/522:09:035
114091220,0ptp4l0-21swapper/522:09:035
114091220,0ptp4l0-21swapper/521:55:195
114091220,0ptp4l0-21swapper/521:45:195
114091220,0ptp4l0-21swapper/521:21:015
114091220,0ptp4l0-21swapper/520:40:165
114091220,0ptp4l0-21swapper/520:30:015
114091220,0ptp4l0-21swapper/520:16:375
114091220,0ptp4l0-21swapper/520:10:185
114091220,0ptp4l0-21swapper/520:00:145
114091220,0ptp4l0-21swapper/519:50:135
114091220,0ptp4l0-21swapper/519:40:155
114091220,0ptp4l0-21swapper/519:30:205
114091220,0ptp4l0-21swapper/519:30:205
114091220,0ptp4l0-21swapper/519:15:205
114091220,0ptp4l0-21swapper/500:15:145
114091220,0ptp4l0-21swapper/423:54:054
114091220,0ptp4l0-21swapper/423:24:484
114091220,0ptp4l0-21swapper/423:16:434
114091220,0ptp4l0-21swapper/422:35:014
114091220,0ptp4l0-21swapper/422:30:144
114091220,0ptp4l0-21swapper/422:23:394
114091220,0ptp4l0-21swapper/422:14:154
114091220,0ptp4l0-21swapper/422:14:144
114091220,0ptp4l0-21swapper/421:41:294
114091220,0ptp4l0-21swapper/421:22:054
114091220,0ptp4l0-21swapper/420:15:144
114091220,0ptp4l0-21swapper/419:10:184
114091220,0ptp4l0-21swapper/400:38:144
114091220,0ptp4l0-21swapper/400:33:254
114091220,0ptp4l0-21swapper/400:07:014
114091220,0ptp4l0-21swapper/300:35:093
114091220,0ptp4l0-21swapper/300:34:243
114091220,0ptp4l0-21swapper/223:26:402
114091220,0ptp4l0-21swapper/221:00:212
114091220,0ptp4l0-21swapper/220:01:542
114091220,0ptp4l0-21swapper/200:04:332
114091220,0ptp4l0-21swapper/122:35:181
114091220,0ptp4l0-21swapper/121:16:281
114091220,0ptp4l0-21swapper/120:05:211
114091220,0ptp4l0-21swapper/119:35:161
114091220,0ptp4l0-21swapper/119:35:161
114091220,0ptp4l0-21swapper/100:39:081
114091220,0ptp4l0-21swapper/100:08:531
114091220,0ptp4l0-21swapper/023:30:160
114091220,0ptp4l0-21swapper/023:27:560
114091220,0ptp4l0-21swapper/023:05:160
114091220,0ptp4l0-21swapper/022:47:270
114091220,0ptp4l0-21swapper/021:59:280
114091220,0ptp4l0-21swapper/021:43:430
114091220,0ptp4l0-21swapper/021:25:200
114091220,0ptp4l0-21swapper/021:24:350
114091220,0ptp4l0-21swapper/020:42:510
114091220,0ptp4l0-21swapper/020:35:220
114091220,0ptp4l0-21swapper/020:25:170
114091220,0ptp4l0-21swapper/019:51:270
114091220,0ptp4l0-21swapper/019:40:160
114091220,0ptp4l0-21swapper/000:32:410
114091220,0ptp4l0-21swapper/000:15:210
114091210,0ptp4l0-21swapper/622:10:066
114091210,0ptp4l0-21swapper/622:10:066
114091210,0ptp4l0-21swapper/621:10:396
114091210,0ptp4l0-21swapper/620:41:246
114091210,0ptp4l0-21swapper/619:32:186
114091210,0ptp4l0-21swapper/619:32:186
114091210,0ptp4l0-21swapper/619:16:366
114091210,0ptp4l0-21swapper/600:37:016
114091210,0ptp4l0-21swapper/600:29:396
114091210,0ptp4l0-21swapper/600:04:286
114091210,0ptp4l0-21swapper/522:19:115
114091210,0ptp4l0-21swapper/521:16:225
114091210,0ptp4l0-21swapper/423:40:544
114091210,0ptp4l0-21swapper/423:34:534
114091210,0ptp4l0-21swapper/423:04:184
114091210,0ptp4l0-21swapper/422:47:284
114091210,0ptp4l0-21swapper/422:18:354
114091210,0ptp4l0-21swapper/421:10:534
114091210,0ptp4l0-21swapper/420:25:194
114091210,0ptp4l0-21swapper/420:22:254
114091210,0ptp4l0-21swapper/420:00:154
114091210,0ptp4l0-21swapper/419:35:234
114091210,0ptp4l0-21swapper/419:35:234
114091210,0ptp4l0-21swapper/223:36:532
114091210,0ptp4l0-21swapper/223:02:292
114091210,0ptp4l0-21swapper/219:47:372
114091210,0ptp4l0-21swapper/219:38:412
114091210,0ptp4l0-21swapper/219:38:412
114091210,0ptp4l0-21swapper/219:15:402
114091210,0ptp4l0-21swapper/121:00:001
114091210,0ptp4l0-21swapper/023:02:010
114091210,0ptp4l0-21swapper/022:55:470
114091210,0ptp4l0-21swapper/022:38:320
114091210,0ptp4l0-21swapper/021:31:090
114091210,0ptp4l0-21swapper/019:10:180
114091210,0ptp4l0-21swapper/000:37:590
114091210,0ptp4l0-21swapper/000:00:500
114091200,0ptp4l0-21swapper/619:38:376
114091200,0ptp4l0-21swapper/619:38:376
114091200,0ptp4l0-21swapper/600:32:496
114091200,0ptp4l0-21swapper/422:55:504
114091200,0ptp4l0-21swapper/420:56:434
114091200,0ptp4l0-21swapper/420:14:564
114091200,0ptp4l0-21swapper/400:01:304
114091200,0ptp4l0-21swapper/200:29:382
114091200,0ptp4l0-21swapper/022:51:320
114091190,0ptp4l0-21swapper/623:45:046
114091190,0ptp4l0-21swapper/521:02:395
114091190,0ptp4l0-21swapper/519:22:365
114091190,0ptp4l0-21swapper/420:35:214
114091190,0ptp4l0-21swapper/419:45:374
114091190,0ptp4l0-21swapper/419:15:014
114091190,0ptp4l0-21swapper/222:23:342
114091180,0ptp4l0-21swapper/622:23:356
114091180,0ptp4l0-21swapper/400:11:444
114091180,0ptp4l0-21swapper/020:56:380
114091170,0ptp4l0-21swapper/200:32:452
114091160,0ptp4l0-21swapper/421:03:224
114091160,0ptp4l0-21swapper/420:52:524
114091160,0ptp4l0-21swapper/420:45:244
114091160,0ptp4l0-21swapper/419:51:454
114091160,0ptp4l0-21swapper/419:30:004
114091160,0ptp4l0-21swapper/220:41:002
114091160,0ptp4l0-21swapper/219:44:442
114091160,0ptp4l0-21swapper/020:52:450
114091160,0ptp4l0-21swapper/020:48:240
114091160,0ptp4l0-21swapper/020:13:230
114091160,0ptp4l0-21swapper/019:27:040
114091160,0ptp4l0-21swapper/019:17:170
2005899150,14cyclictest0-21swapper/622:59:576
20036991513,1cyclictest0-21swapper/322:50:123
114091150,0ptp4l0-21swapper/620:53:296
114091150,0ptp4l0-21swapper/620:31:596
114091150,0ptp4l0-21swapper/620:01:006
114091150,0ptp4l0-21swapper/619:47:416
114091150,0ptp4l0-21swapper/619:44:096
114091150,0ptp4l0-21swapper/420:40:274
114091150,0ptp4l0-21swapper/220:53:332
114091150,0ptp4l0-21swapper/220:32:052
114091150,0ptp4l0-21swapper/021:03:210
54402140,0sleep70-21swapper/719:45:187
114091140,0ptp4l0-21swapper/620:47:356
114091140,0ptp4l0-21swapper/620:08:516
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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