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2025-12-10 - 14:22

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 Wed Dec 10, 2025 00:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
46992970,0sleep70-21swapper/721:53:097
242612690,0sleep70-21swapper/723:05:207
242612690,0sleep70-21swapper/723:05:207
33962620,0sleep40-21swapper/421:05:014
1392426151,6sleep60-21swapper/619:05:466
114091600,29ptp4l0-21swapper/119:05:201
114091590,5ptp4l0-21swapper/519:07:125
263912570,1sleep6631rcuc/621:38:116
209862560,0sleep50-21swapper/523:46:285
1419325645,6sleep30-21swapper/319:09:043
175892550,0sleep30-21swapper/323:41:453
2120915332,7phc2sys0-21swapper/419:06:314
1422425343,6sleep70-21swapper/719:09:317
1401925040,6sleep20-21swapper/219:06:542
1412524635,7sleep00-21swapper/019:08:120
114091310,0ptp4l0-21swapper/621:30:196
114091310,0ptp4l0-21swapper/123:50:421
114091310,0ptp4l0-21swapper/123:25:131
114091310,0ptp4l0-21swapper/023:30:130
114091300,0ptp4l0-21swapper/200:25:232
114091290,0ptp4l0-21swapper/521:18:105
114091290,0ptp4l0-21swapper/421:10:124
114091290,0ptp4l0-21swapper/122:06:401
114091280,0ptp4l0-21swapper/621:20:176
114091280,0ptp4l0-21swapper/423:38:284
114091280,0ptp4l0-21swapper/221:26:052
114091270,0ptp4l0-21swapper/523:18:235
114091270,0ptp4l0-21swapper/523:13:005
114091270,0ptp4l0-21swapper/400:04:154
114091270,0ptp4l0-21swapper/123:31:451
114091270,0ptp4l0-21swapper/122:53:501
114091270,0ptp4l0-21swapper/122:04:591
114091270,0ptp4l0-21swapper/119:50:171
114091270,0ptp4l0-21swapper/100:35:021
114091270,0ptp4l0-21swapper/023:50:160
114091270,0ptp4l0-21swapper/021:54:450
1456099268,14cyclictest0-21swapper/520:18:235
114091260,0ptp4l0-21swapper/523:59:255
114091260,0ptp4l0-21swapper/522:47:335
114091260,0ptp4l0-21swapper/522:30:445
114091260,0ptp4l0-21swapper/423:55:234
114091260,0ptp4l0-21swapper/423:47:584
114091260,0ptp4l0-21swapper/400:21:294
114091260,0ptp4l0-21swapper/223:45:162
114091260,0ptp4l0-21swapper/223:43:462
114091260,0ptp4l0-21swapper/122:10:181
114091260,0ptp4l0-21swapper/121:41:371
114091260,0ptp4l0-21swapper/121:05:131
114091260,0ptp4l0-21swapper/023:35:170
114091260,0ptp4l0-21swapper/023:09:210
114091260,0ptp4l0-21swapper/023:09:200
114091260,0ptp4l0-21swapper/022:27:080
114091260,0ptp4l0-21swapper/021:49:470
114091250,3ptp4l0-21swapper/422:50:464
114091250,2ptp4l24062-21sort20:40:015
114091250,0ptp4l0-21swapper/623:44:556
114091250,0ptp4l0-21swapper/600:25:036
114091250,0ptp4l0-21swapper/600:16:106
114091250,0ptp4l0-21swapper/523:36:315
114091250,0ptp4l0-21swapper/522:08:035
114091250,0ptp4l0-21swapper/521:55:005
114091250,0ptp4l0-21swapper/521:34:525
114091250,0ptp4l0-21swapper/519:50:175
114091250,0ptp4l0-21swapper/321:53:063
114091250,0ptp4l0-21swapper/222:34:482
114091250,0ptp4l0-21swapper/222:14:012
114091250,0ptp4l0-21swapper/221:35:512
114091250,0ptp4l0-21swapper/200:30:382
114091250,0ptp4l0-21swapper/123:36:491
114091250,0ptp4l0-21swapper/123:11:151
114091250,0ptp4l0-21swapper/121:55:321
114091250,0ptp4l0-21swapper/121:10:161
114091250,0ptp4l0-21swapper/120:40:161
114091250,0ptp4l0-21swapper/023:15:180
114091250,0ptp4l0-21swapper/022:51:400
114091250,0ptp4l0-21swapper/021:28:070
114091250,0ptp4l0-21swapper/019:45:160
114091250,0ptp4l0-21swapper/000:03:110
114091240,1ptp4l24746-21sed21:35:171
114091240,1ptp4l23286-21latency_hist22:20:004
114091240,1ptp4l19724-21irqstats23:45:166
114091240,1ptp4l17633-21grep22:10:185
114091240,1ptp4l16268-21users19:10:211
114091240,1ptp4l13108-21df20:15:174
114091240,1ptp4l1093-21runrttasks21:34:551
114091240,0ptp4l0-21swapper/622:08:306
114091240,0ptp4l0-21swapper/621:54:126
114091240,0ptp4l0-21swapper/621:12:106
114091240,0ptp4l0-21swapper/620:55:216
114091240,0ptp4l0-21swapper/600:23:276
114091240,0ptp4l0-21swapper/600:06:016
114091240,0ptp4l0-21swapper/523:40:195
114091240,0ptp4l0-21swapper/522:43:515
114091240,0ptp4l0-21swapper/522:40:015
114091240,0ptp4l0-21swapper/522:25:265
114091240,0ptp4l0-21swapper/521:45:155
114091240,0ptp4l0-21swapper/521:40:155
114091240,0ptp4l0-21swapper/521:10:195
114091240,0ptp4l0-21swapper/519:15:185
114091240,0ptp4l0-21swapper/500:35:445
114091240,0ptp4l0-21swapper/500:30:145
114091240,0ptp4l0-21swapper/500:05:195
114091240,0ptp4l0-21swapper/423:54:404
114091240,0ptp4l0-21swapper/419:45:154
114091240,0ptp4l0-21swapper/419:40:154
114091240,0ptp4l0-21swapper/419:30:194
114091240,0ptp4l0-21swapper/419:15:224
114091240,0ptp4l0-21swapper/121:50:131
114091240,0ptp4l0-21swapper/120:55:151
114091240,0ptp4l0-21swapper/120:45:151
114091240,0ptp4l0-21swapper/119:34:591
114091240,0ptp4l0-21swapper/119:15:171
114091240,0ptp4l0-21swapper/100:12:421
114091240,0ptp4l0-21swapper/022:57:000
114091240,0ptp4l0-21swapper/022:37:040
114091240,0ptp4l0-21swapper/022:20:160
114091240,0ptp4l0-21swapper/021:59:460
114091240,0ptp4l0-21swapper/021:12:560
114091230,1ptp4l29827-21/usr/sbin/munin19:40:150
114091230,1ptp4l25553-21ssh23:54:056
114091230,1ptp4l23274-21sort20:35:180
114091230,0ptp4l32133-21strings20:55:192
114091230,0ptp4l23404-21sed20:35:191
114091230,0ptp4l20438-21strings23:00:161
114091230,0ptp4l0-21swapper/623:04:106
114091230,0ptp4l0-21swapper/621:25:346
114091230,0ptp4l0-21swapper/621:15:156
114091230,0ptp4l0-21swapper/619:40:106
114091230,0ptp4l0-21swapper/619:31:366
114091230,0ptp4l0-21swapper/523:31:285
114091230,0ptp4l0-21swapper/523:05:145
114091230,0ptp4l0-21swapper/523:05:145
114091230,0ptp4l0-21swapper/521:55:135
114091230,0ptp4l0-21swapper/520:30:135
114091230,0ptp4l0-21swapper/520:30:125
114091230,0ptp4l0-21swapper/520:10:155
114091230,0ptp4l0-21swapper/519:25:145
114091230,0ptp4l0-21swapper/519:10:135
114091230,0ptp4l0-21swapper/500:15:135
114091230,0ptp4l0-21swapper/423:20:164
114091230,0ptp4l0-21swapper/422:55:214
114091230,0ptp4l0-21swapper/422:45:124
114091230,0ptp4l0-21swapper/422:38:364
114091230,0ptp4l0-21swapper/422:20:134
114091230,0ptp4l0-21swapper/421:47:054
114091230,0ptp4l0-21swapper/400:33:304
114091230,0ptp4l0-21swapper/223:52:112
114091230,0ptp4l0-21swapper/222:57:342
114091230,0ptp4l0-21swapper/222:15:192
114091230,0ptp4l0-21swapper/222:09:222
114091230,0ptp4l0-21swapper/221:51:072
114091230,0ptp4l0-21swapper/221:30:122
114091230,0ptp4l0-21swapper/221:20:182
114091230,0ptp4l0-21swapper/221:15:342
114091230,0ptp4l0-21swapper/123:55:041
114091230,0ptp4l0-21swapper/123:40:181
114091230,0ptp4l0-21swapper/123:15:211
114091230,0ptp4l0-21swapper/123:05:211
114091230,0ptp4l0-21swapper/123:05:201
114091230,0ptp4l0-21swapper/122:55:161
114091230,0ptp4l0-21swapper/122:30:211
114091230,0ptp4l0-21swapper/122:25:201
114091230,0ptp4l0-21swapper/121:16:331
114091230,0ptp4l0-21swapper/120:15:241
114091230,0ptp4l0-21swapper/120:14:391
114091230,0ptp4l0-21swapper/120:05:181
114091230,0ptp4l0-21swapper/119:25:131
114091230,0ptp4l0-21swapper/100:30:121
114091230,0ptp4l0-21swapper/023:55:230
114091230,0ptp4l0-21swapper/021:33:180
114091230,0ptp4l0-21swapper/020:51:530
114091220,0ptp4l0-21swapper/619:27:336
114091220,0ptp4l0-21swapper/600:10:206
114091220,0ptp4l0-21swapper/523:52:375
114091220,0ptp4l0-21swapper/523:25:135
114091220,0ptp4l0-21swapper/523:21:015
114091220,0ptp4l0-21swapper/522:50:015
114091220,0ptp4l0-21swapper/522:24:355
114091220,0ptp4l0-21swapper/522:17:015
114091220,0ptp4l0-21swapper/522:00:155
114091220,0ptp4l0-21swapper/521:35:195
114091220,0ptp4l0-21swapper/521:25:165
114091220,0ptp4l0-21swapper/521:24:065
114091220,0ptp4l0-21swapper/521:05:125
114091220,0ptp4l0-21swapper/520:55:155
114091220,0ptp4l0-21swapper/520:50:195
114091220,0ptp4l0-21swapper/520:45:225
114091220,0ptp4l0-21swapper/520:40:145
114091220,0ptp4l0-21swapper/520:26:355
114091220,0ptp4l0-21swapper/520:20:125
114091220,0ptp4l0-21swapper/520:05:225
114091220,0ptp4l0-21swapper/520:00:155
114091220,0ptp4l0-21swapper/519:55:185
114091220,0ptp4l0-21swapper/519:37:135
114091220,0ptp4l0-21swapper/519:20:135
114091220,0ptp4l0-21swapper/500:11:215
114091220,0ptp4l0-21swapper/500:00:135
114091220,0ptp4l0-21swapper/423:30:204
114091220,0ptp4l0-21swapper/423:14:414
114091220,0ptp4l0-21swapper/423:03:114
114091220,0ptp4l0-21swapper/422:30:194
114091220,0ptp4l0-21swapper/422:25:184
114091220,0ptp4l0-21swapper/422:14:414
114091220,0ptp4l0-21swapper/422:00:204
114091220,0ptp4l0-21swapper/421:54:534
114091220,0ptp4l0-21swapper/421:35:134
114091220,0ptp4l0-21swapper/420:35:134
114091220,0ptp4l0-21swapper/420:00:194
114091220,0ptp4l0-21swapper/400:40:004
114091220,0ptp4l0-21swapper/400:26:094
114091220,0ptp4l0-21swapper/400:06:474
114091220,0ptp4l0-21swapper/320:25:133
114091220,0ptp4l0-21swapper/221:05:002
114091220,0ptp4l0-21swapper/220:12:022
114091220,0ptp4l0-21swapper/219:40:182
114091220,0ptp4l0-21swapper/219:30:132
114091220,0ptp4l0-21swapper/200:20:182
114091220,0ptp4l0-21swapper/200:10:142
114091220,0ptp4l0-21swapper/123:46:591
114091220,0ptp4l0-21swapper/123:21:051
114091220,0ptp4l0-21swapper/122:47:451
114091220,0ptp4l0-21swapper/122:40:131
114091220,0ptp4l0-21swapper/122:35:201
114091220,0ptp4l0-21swapper/121:45:001
114091220,0ptp4l0-21swapper/121:25:031
114091220,0ptp4l0-21swapper/121:20:481
114091220,0ptp4l0-21swapper/121:00:211
114091220,0ptp4l0-21swapper/120:50:151
114091220,0ptp4l0-21swapper/120:00:141
114091220,0ptp4l0-21swapper/119:55:201
114091220,0ptp4l0-21swapper/119:45:161
114091220,0ptp4l0-21swapper/119:35:221
114091220,0ptp4l0-21swapper/119:20:111
114091220,0ptp4l0-21swapper/100:30:001
114091220,0ptp4l0-21swapper/100:05:091
114091220,0ptp4l0-21swapper/100:01:281
114091220,0ptp4l0-21swapper/023:40:530
114091220,0ptp4l0-21swapper/023:20:150
114091220,0ptp4l0-21swapper/023:10:150
114091220,0ptp4l0-21swapper/023:01:220
114091220,0ptp4l0-21swapper/022:45:040
114091220,0ptp4l0-21swapper/022:30:210
114091220,0ptp4l0-21swapper/022:11:180
114091220,0ptp4l0-21swapper/022:07:150
114091220,0ptp4l0-21swapper/021:40:110
114091220,0ptp4l0-21swapper/021:00:130
114091220,0ptp4l0-21swapper/020:57:560
114091220,0ptp4l0-21swapper/020:26:480
114091220,0ptp4l0-21swapper/020:20:200
114091220,0ptp4l0-21swapper/019:35:130
114091220,0ptp4l0-21swapper/019:15:220
114091220,0ptp4l0-21swapper/000:39:260
114091220,0ptp4l0-21swapper/000:27:400
114091220,0ptp4l0-21swapper/000:22:240
114091210,1ptp4l16157-21ps20:20:191
114091210,0ptp4l0-21swapper/622:15:326
114091210,0ptp4l0-21swapper/622:13:356
114091210,0ptp4l0-21swapper/620:21:486
114091210,0ptp4l0-21swapper/620:11:026
114091210,0ptp4l0-21swapper/600:30:406
114091210,0ptp4l0-21swapper/523:00:185
114091210,0ptp4l0-21swapper/522:55:025
114091210,0ptp4l0-21swapper/519:47:395
114091210,0ptp4l0-21swapper/519:43:015
114091210,0ptp4l0-21swapper/519:31:505
114091210,0ptp4l0-21swapper/500:29:565
114091210,0ptp4l0-21swapper/423:40:554
114091210,0ptp4l0-21swapper/423:25:214
114091210,0ptp4l0-21swapper/423:19:484
114091210,0ptp4l0-21swapper/423:07:514
114091210,0ptp4l0-21swapper/423:07:504
114091210,0ptp4l0-21swapper/422:43:254
114091210,0ptp4l0-21swapper/422:05:134
114091210,0ptp4l0-21swapper/421:56:194
114091210,0ptp4l0-21swapper/421:40:464
114091210,0ptp4l0-21swapper/421:31:164
114091210,0ptp4l0-21swapper/421:27:084
114091210,0ptp4l0-21swapper/421:23:164
114091210,0ptp4l0-21swapper/421:19:214
114091210,0ptp4l0-21swapper/420:50:014
114091210,0ptp4l0-21swapper/420:48:404
114091210,0ptp4l0-21swapper/420:13:024
114091210,0ptp4l0-21swapper/419:35:184
114091210,0ptp4l0-21swapper/400:18:334
114091210,0ptp4l0-21swapper/223:00:452
114091210,0ptp4l0-21swapper/222:21:262
114091210,0ptp4l0-21swapper/222:02:312
114091210,0ptp4l0-21swapper/221:10:402
114091210,0ptp4l0-21swapper/221:00:482
114091210,0ptp4l0-21swapper/220:21:482
114091210,0ptp4l0-21swapper/200:15:142
114091210,0ptp4l0-21swapper/122:22:051
114091210,0ptp4l0-21swapper/122:16:371
114091210,0ptp4l0-21swapper/120:30:121
114091210,0ptp4l0-21swapper/120:30:111
114091210,0ptp4l0-21swapper/120:28:411
114091210,0ptp4l0-21swapper/100:21:551
114091210,0ptp4l0-21swapper/023:28:110
114091210,0ptp4l0-21swapper/022:43:370
114091210,0ptp4l0-21swapper/022:15:160
114091210,0ptp4l0-21swapper/022:03:570
114091210,0ptp4l0-21swapper/021:39:200
114091210,0ptp4l0-21swapper/021:21:160
114091210,0ptp4l0-21swapper/021:18:020
114091210,0ptp4l0-21swapper/020:15:160
114091210,0ptp4l0-21swapper/019:30:150
114091210,0ptp4l0-21swapper/000:34:300
114091210,0ptp4l0-21swapper/000:07:390
114091200,0ptp4l0-21swapper/720:25:187
114091200,0ptp4l0-21swapper/622:57:116
114091200,0ptp4l0-21swapper/622:51:386
114091200,0ptp4l0-21swapper/622:48:026
114091200,0ptp4l0-21swapper/619:38:416
114091200,0ptp4l0-21swapper/521:00:215
114091200,0ptp4l0-21swapper/320:03:243
114091200,0ptp4l0-21swapper/222:48:012
114091200,0ptp4l0-21swapper/219:12:122
114091200,0ptp4l0-21swapper/200:05:512
114091200,0ptp4l0-21swapper/119:42:411
114091200,0ptp4l0-21swapper/100:15:061
114091200,0ptp4l0-21swapper/023:46:120
114091200,0ptp4l0-21swapper/020:00:190
114091200,0ptp4l0-21swapper/019:11:440
114091200,0ptp4l0-21swapper/000:19:150
14560991916,0cyclictest0-21swapper/500:20:535
114091190,2ptp4l0-21swapper/720:02:177
114091190,0ptp4l0-21swapper/400:14:304
114091190,0ptp4l0-21swapper/220:01:062
114091190,0ptp4l0-21swapper/200:37:052
114091190,0ptp4l0-21swapper/021:07:540
114091190,0ptp4l0-21swapper/020:44:240
114091190,0ptp4l0-21swapper/020:33:230
114091190,0ptp4l0-21swapper/020:33:230
114091190,0ptp4l0-21swapper/020:12:580
114091190,0ptp4l0-21swapper/000:13:280
114091180,0ptp4l0-21swapper/723:32:237
114091180,0ptp4l0-21swapper/622:34:516
114091180,0ptp4l0-21swapper/621:00:126
114091180,0ptp4l0-21swapper/600:37:086
114091180,0ptp4l0-21swapper/421:08:164
114091180,0ptp4l0-21swapper/420:32:204
114091180,0ptp4l0-21swapper/420:32:194
114091180,0ptp4l0-21swapper/420:06:114
114091180,0ptp4l0-21swapper/223:37:032
114091180,0ptp4l0-21swapper/222:51:372
114091180,0ptp4l0-21swapper/219:39:012
114091180,0ptp4l0-21swapper/219:27:372
114091180,0ptp4l0-21swapper/020:49:480
114091180,0ptp4l0-21swapper/020:08:080
114091180,0ptp4l0-21swapper/019:27:240
114091170,0ptp4l0-21swapper/622:21:296
114091170,0ptp4l0-21swapper/419:58:384
114091170,0ptp4l0-21swapper/419:24:104
114091170,0ptp4l0-21swapper/219:17:182
114091160,1ptp4l65-21ksoftirqd/623:37:046
114091160,0ptp4l0-21swapper/622:02:326
114091160,0ptp4l0-21swapper/621:08:296
114091160,0ptp4l0-21swapper/323:09:133
114091160,0ptp4l0-21swapper/323:09:133
114091160,0ptp4l0-21swapper/019:59:440
114091160,0ptp4l0-21swapper/019:53:470
1454099150,0cyclictest0-21swapper/200:00:152
114091150,0ptp4l0-21swapper/723:03:197
114091150,0ptp4l0-21swapper/720:24:317
114091150,0ptp4l0-21swapper/620:53:346
114091150,0ptp4l0-21swapper/620:42:046
114091150,0ptp4l0-21swapper/620:01:146
114091150,0ptp4l0-21swapper/619:16:246
114091150,0ptp4l0-21swapper/619:12:146
114091150,0ptp4l0-21swapper/420:55:574
114091150,0ptp4l0-21swapper/420:41:254
114091150,0ptp4l0-21swapper/420:26:114
114091150,0ptp4l0-21swapper/420:20:034
114091150,0ptp4l0-21swapper/419:51:174
114091150,0ptp4l0-21swapper/419:26:174
114091150,0ptp4l0-21swapper/419:11:144
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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