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2025-11-08 - 11:37

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 08, 2025 00:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
688426645,6sleep30-21swapper/319:08:193
114091660,6ptp4l0-21swapper/519:05:145
56162630,0sleep10-21swapper/120:15:121
114091630,15ptp4l0-21swapper/119:05:191
114091620,30ptp4l0-21swapper/019:09:010
2120916151,6phc2sys0-21swapper/619:05:456
695625747,6sleep20-21swapper/219:09:142
699925634,7sleep70-21swapper/719:09:517
128272560,0sleep20-21swapper/223:38:522
49312540,1sleep5561ktimersoftd/522:00:185
680325332,7sleep40-21swapper/419:07:164
21602500,1sleep0101ktimersoftd/000:07:170
114091310,0ptp4l0-21swapper/220:25:112
114091300,4ptp4l23806-21ssh00:36:305
114091300,3ptp4l0-21swapper/521:38:045
114091300,0ptp4l0-21swapper/122:13:451
114091300,0ptp4l0-21swapper/121:49:171
114091300,0ptp4l0-21swapper/121:00:121
114091290,0ptp4l0-21swapper/523:58:165
114091290,0ptp4l0-21swapper/500:13:565
114091290,0ptp4l0-21swapper/421:50:364
114091290,0ptp4l0-21swapper/223:12:302
114091290,0ptp4l0-21swapper/220:50:112
114091290,0ptp4l0-21swapper/122:51:021
114091280,0ptp4l30504-21diskmemload00:14:570
114091280,0ptp4l0-21swapper/523:45:215
114091280,0ptp4l0-21swapper/521:51:415
114091280,0ptp4l0-21swapper/400:17:474
114091280,0ptp4l0-21swapper/122:09:361
114091280,0ptp4l0-21swapper/023:29:180
114091280,0ptp4l0-21swapper/021:26:480
114091280,0ptp4l0-21swapper/021:20:130
114091280,0ptp4l0-21swapper/000:31:040
114091270,0ptp4l0-21swapper/722:29:007
114091270,0ptp4l0-21swapper/623:13:456
114091270,0ptp4l0-21swapper/523:34:445
114091270,0ptp4l0-21swapper/522:30:105
114091270,0ptp4l0-21swapper/522:30:105
114091270,0ptp4l0-21swapper/423:18:574
114091270,0ptp4l0-21swapper/200:10:462
114091270,0ptp4l0-21swapper/022:10:230
114091260,3ptp4l0-21swapper/622:26:076
114091260,0ptp4l0-21swapper/522:51:085
114091260,0ptp4l0-21swapper/521:49:485
114091260,0ptp4l0-21swapper/422:45:184
114091260,0ptp4l0-21swapper/222:26:192
114091260,0ptp4l0-21swapper/221:41:432
114091260,0ptp4l0-21swapper/200:15:192
114091260,0ptp4l0-21swapper/122:30:231
114091260,0ptp4l0-21swapper/122:30:221
114091260,0ptp4l0-21swapper/122:04:511
114091260,0ptp4l0-21swapper/121:55:351
114091260,0ptp4l0-21swapper/100:25:271
114091260,0ptp4l0-21swapper/022:55:140
114091260,0ptp4l0-21swapper/022:16:230
114091260,0ptp4l0-21swapper/021:42:160
114091260,0ptp4l0-21swapper/000:25:500
114091250,1ptp4l3897-1kworker/u17:222:48:290
114091250,1ptp4l17367-21diskstats20:40:122
114091250,1ptp4l10541-21grep19:15:131
114091250,0ptp4l0-21swapper/700:20:007
114091250,0ptp4l0-21swapper/623:27:256
114091250,0ptp4l0-21swapper/523:24:585
114091250,0ptp4l0-21swapper/523:15:215
114091250,0ptp4l0-21swapper/522:44:515
114091250,0ptp4l0-21swapper/522:35:165
114091250,0ptp4l0-21swapper/519:10:225
114091250,0ptp4l0-21swapper/500:03:435
114091250,0ptp4l0-21swapper/422:18:024
114091250,0ptp4l0-21swapper/421:38:104
114091250,0ptp4l0-21swapper/223:50:062
114091250,0ptp4l0-21swapper/222:21:002
114091250,0ptp4l0-21swapper/220:35:192
114091250,0ptp4l0-21swapper/123:54:591
114091250,0ptp4l0-21swapper/123:44:491
114091250,0ptp4l0-21swapper/123:15:211
114091250,0ptp4l0-21swapper/121:36:141
114091250,0ptp4l0-21swapper/121:20:381
114091250,0ptp4l0-21swapper/120:45:161
114091250,0ptp4l0-21swapper/120:14:591
114091250,0ptp4l0-21swapper/119:10:201
114091250,0ptp4l0-21swapper/022:54:080
114091250,0ptp4l0-21swapper/021:16:490
114091240,3ptp4l0-21swapper/523:03:435
114091240,2ptp4l0-21swapper/121:50:231
114091240,1ptp4l29621-21ptp4l21:05:151
114091240,1ptp4l28359-21basename21:49:590
114091240,1ptp4l2784-21fw_conntrack21:15:126
114091240,1ptp4l24437-21entropy19:45:110
114091240,1ptp4l19280-21timerandwakeup00:30:215
114091240,1ptp4l16577-21df_inode23:00:101
114091240,1ptp4l15130-21sed23:40:180
114091240,0ptp4l0-21swapper/622:07:576
114091240,0ptp4l0-21swapper/621:33:406
114091240,0ptp4l0-21swapper/620:50:006
114091240,0ptp4l0-21swapper/600:31:346
114091240,0ptp4l0-21swapper/600:10:136
114091240,0ptp4l0-21swapper/523:44:355
114091240,0ptp4l0-21swapper/522:18:235
114091240,0ptp4l0-21swapper/522:06:405
114091240,0ptp4l0-21swapper/520:30:175
114091240,0ptp4l0-21swapper/520:00:165
114091240,0ptp4l0-21swapper/500:25:175
114091240,0ptp4l0-21swapper/422:10:094
114091240,0ptp4l0-21swapper/400:30:124
114091240,0ptp4l0-21swapper/123:47:501
114091240,0ptp4l0-21swapper/121:28:131
114091240,0ptp4l0-21swapper/120:50:151
114091240,0ptp4l0-21swapper/100:33:231
114091240,0ptp4l0-21swapper/100:14:021
114091240,0ptp4l0-21swapper/023:31:360
114091240,0ptp4l0-21swapper/022:44:100
114091240,0ptp4l0-21swapper/021:33:060
114091240,0ptp4l0-21swapper/020:15:190
114091230,1ptp4l28597-21awk21:05:085
114091230,1ptp4l22098-21smartctl00:35:113
114091230,0ptp4l24610-21strings23:10:161
114091230,0ptp4l0-21swapper/700:20:137
114091230,0ptp4l0-21swapper/623:50:126
114091230,0ptp4l0-21swapper/622:38:366
114091230,0ptp4l0-21swapper/622:20:146
114091230,0ptp4l0-21swapper/620:40:216
114091230,0ptp4l0-21swapper/620:35:156
114091230,0ptp4l0-21swapper/620:25:156
114091230,0ptp4l0-21swapper/600:15:206
114091230,0ptp4l0-21swapper/523:25:155
114091230,0ptp4l0-21swapper/523:10:175
114091230,0ptp4l0-21swapper/523:07:575
114091230,0ptp4l0-21swapper/522:55:115
114091230,0ptp4l0-21swapper/521:40:145
114091230,0ptp4l0-21swapper/521:27:415
114091230,0ptp4l0-21swapper/521:20:195
114091230,0ptp4l0-21swapper/521:10:155
114091230,0ptp4l0-21swapper/521:00:215
114091230,0ptp4l0-21swapper/520:55:145
114091230,0ptp4l0-21swapper/520:45:135
114091230,0ptp4l0-21swapper/520:37:405
114091230,0ptp4l0-21swapper/520:11:195
114091230,0ptp4l0-21swapper/519:35:105
114091230,0ptp4l0-21swapper/519:30:135
114091230,0ptp4l0-21swapper/519:25:125
114091230,0ptp4l0-21swapper/519:18:585
114091230,0ptp4l0-21swapper/500:21:325
114091230,0ptp4l0-21swapper/500:17:405
114091230,0ptp4l0-21swapper/500:05:195
114091230,0ptp4l0-21swapper/423:55:244
114091230,0ptp4l0-21swapper/423:54:354
114091230,0ptp4l0-21swapper/423:40:204
114091230,0ptp4l0-21swapper/423:35:184
114091230,0ptp4l0-21swapper/423:20:204
114091230,0ptp4l0-21swapper/423:05:164
114091230,0ptp4l0-21swapper/422:50:154
114091230,0ptp4l0-21swapper/422:21:484
114091230,0ptp4l0-21swapper/421:55:214
114091230,0ptp4l0-21swapper/421:45:174
114091230,0ptp4l0-21swapper/421:43:254
114091230,0ptp4l0-21swapper/421:28:454
114091230,0ptp4l0-21swapper/419:30:154
114091230,0ptp4l0-21swapper/419:15:204
114091230,0ptp4l0-21swapper/400:28:414
114091230,0ptp4l0-21swapper/400:21:224
114091230,0ptp4l0-21swapper/300:20:193
114091230,0ptp4l0-21swapper/223:49:542
114091230,0ptp4l0-21swapper/223:25:172
114091230,0ptp4l0-21swapper/221:15:032
114091230,0ptp4l0-21swapper/221:11:192
114091230,0ptp4l0-21swapper/220:05:202
114091230,0ptp4l0-21swapper/123:33:101
114091230,0ptp4l0-21swapper/123:25:141
114091230,0ptp4l0-21swapper/123:20:161
114091230,0ptp4l0-21swapper/123:07:081
114091230,0ptp4l0-21swapper/123:00:001
114091230,0ptp4l0-21swapper/122:35:091
114091230,0ptp4l0-21swapper/122:25:131
114091230,0ptp4l0-21swapper/122:15:161
114091230,0ptp4l0-21swapper/121:18:151
114091230,0ptp4l0-21swapper/121:10:151
114091230,0ptp4l0-21swapper/120:20:111
114091230,0ptp4l0-21swapper/119:55:201
114091230,0ptp4l0-21swapper/119:55:191
114091230,0ptp4l0-21swapper/119:45:191
114091230,0ptp4l0-21swapper/119:35:161
114091230,0ptp4l0-21swapper/119:25:151
114091230,0ptp4l0-21swapper/100:39:261
114091230,0ptp4l0-21swapper/100:22:241
114091230,0ptp4l0-21swapper/100:05:171
114091230,0ptp4l0-21swapper/100:00:131
114091230,0ptp4l0-21swapper/023:57:510
114091230,0ptp4l0-21swapper/023:45:140
114091230,0ptp4l0-21swapper/023:37:100
114091230,0ptp4l0-21swapper/023:20:210
114091230,0ptp4l0-21swapper/023:05:180
114091230,0ptp4l0-21swapper/022:00:010
114091230,0ptp4l0-21swapper/021:35:010
114091230,0ptp4l0-21swapper/020:42:070
114091230,0ptp4l0-21swapper/000:15:150
114091220,2ptp4l0-21swapper/022:27:410
114091220,0ptp4l32446-21ssh22:37:392
114091220,0ptp4l0-21swapper/700:35:117
114091220,0ptp4l0-21swapper/623:36:286
114091220,0ptp4l0-21swapper/623:20:406
114091220,0ptp4l0-21swapper/623:16:416
114091220,0ptp4l0-21swapper/623:03:136
114091220,0ptp4l0-21swapper/622:17:246
114091220,0ptp4l0-21swapper/621:40:316
114091220,0ptp4l0-21swapper/621:11:176
114091220,0ptp4l0-21swapper/620:57:416
114091220,0ptp4l0-21swapper/620:35:016
114091220,0ptp4l0-21swapper/620:15:596
114091220,0ptp4l0-21swapper/620:05:126
114091220,0ptp4l0-21swapper/522:47:255
114091220,0ptp4l0-21swapper/522:24:585
114091220,0ptp4l0-21swapper/522:10:145
114091220,0ptp4l0-21swapper/521:56:345
114091220,0ptp4l0-21swapper/521:30:095
114091220,0ptp4l0-21swapper/520:42:465
114091220,0ptp4l0-21swapper/520:26:205
114091220,0ptp4l0-21swapper/520:20:015
114091220,0ptp4l0-21swapper/519:55:155
114091220,0ptp4l0-21swapper/519:55:145
114091220,0ptp4l0-21swapper/519:50:125
114091220,0ptp4l0-21swapper/519:45:165
114091220,0ptp4l0-21swapper/519:40:175
114091220,0ptp4l0-21swapper/519:20:015
114091220,0ptp4l0-21swapper/423:45:154
114091220,0ptp4l0-21swapper/423:30:154
114091220,0ptp4l0-21swapper/423:25:114
114091220,0ptp4l0-21swapper/423:11:094
114091220,0ptp4l0-21swapper/422:55:074
114091220,0ptp4l0-21swapper/422:44:034
114091220,0ptp4l0-21swapper/422:31:174
114091220,0ptp4l0-21swapper/422:31:164
114091220,0ptp4l0-21swapper/422:05:084
114091220,0ptp4l0-21swapper/421:30:124
114091220,0ptp4l0-21swapper/421:16:214
114091220,0ptp4l0-21swapper/421:10:224
114091220,0ptp4l0-21swapper/420:15:184
114091220,0ptp4l0-21swapper/419:45:124
114091220,0ptp4l0-21swapper/419:20:184
114091220,0ptp4l0-21swapper/400:38:374
114091220,0ptp4l0-21swapper/400:10:034
114091220,0ptp4l0-21swapper/400:05:104
114091220,0ptp4l0-21swapper/400:03:184
114091220,0ptp4l0-21swapper/322:24:123
114091220,0ptp4l0-21swapper/321:37:493
114091220,0ptp4l0-21swapper/223:59:482
114091220,0ptp4l0-21swapper/223:21:002
114091220,0ptp4l0-21swapper/223:02:442
114091220,0ptp4l0-21swapper/222:52:452
114091220,0ptp4l0-21swapper/222:17:092
114091220,0ptp4l0-21swapper/222:08:152
114091220,0ptp4l0-21swapper/221:30:592
114091220,0ptp4l0-21swapper/220:24:412
114091220,0ptp4l0-21swapper/200:31:332
114091220,0ptp4l0-21swapper/123:55:401
114091220,0ptp4l0-21swapper/123:37:251
114091220,0ptp4l0-21swapper/122:45:011
114091220,0ptp4l0-21swapper/122:24:501
114091220,0ptp4l0-21swapper/121:40:131
114091220,0ptp4l0-21swapper/120:55:111
114091220,0ptp4l0-21swapper/120:30:131
114091220,0ptp4l0-21swapper/120:00:131
114091220,0ptp4l0-21swapper/119:50:131
114091220,0ptp4l0-21swapper/119:40:161
114091220,0ptp4l0-21swapper/119:20:141
114091220,0ptp4l0-21swapper/100:16:371
114091220,0ptp4l0-21swapper/023:01:500
114091220,0ptp4l0-21swapper/022:32:450
114091220,0ptp4l0-21swapper/022:32:450
114091220,0ptp4l0-21swapper/022:05:020
114091220,0ptp4l0-21swapper/022:03:020
114091220,0ptp4l0-21swapper/021:52:350
114091220,0ptp4l0-21swapper/021:10:220
114091220,0ptp4l0-21swapper/019:30:150
114091220,0ptp4l0-21swapper/019:15:150
114091220,0ptp4l0-21swapper/000:36:190
114091210,3ptp4l0-21swapper/422:02:044
114091210,0ptp4l0-21swapper/722:24:167
114091210,0ptp4l0-21swapper/623:49:446
114091210,0ptp4l0-21swapper/622:57:406
114091210,0ptp4l0-21swapper/622:31:186
114091210,0ptp4l0-21swapper/622:31:176
114091210,0ptp4l0-21swapper/621:59:406
114091210,0ptp4l0-21swapper/621:25:046
114091210,0ptp4l0-21swapper/621:25:006
114091210,0ptp4l0-21swapper/619:44:536
114091210,0ptp4l0-21swapper/523:35:505
114091210,0ptp4l0-21swapper/522:25:125
114091210,0ptp4l0-21swapper/521:16:275
114091210,0ptp4l0-21swapper/520:50:165
114091210,0ptp4l0-21swapper/520:15:155
114091210,0ptp4l0-21swapper/423:00:424
114091210,0ptp4l0-21swapper/422:37:294
114091210,0ptp4l0-21swapper/422:27:594
114091210,0ptp4l0-21swapper/421:21:474
114091210,0ptp4l0-21swapper/300:19:373
114091210,0ptp4l0-21swapper/223:17:142
114091210,0ptp4l0-21swapper/222:57:452
114091210,0ptp4l0-21swapper/222:31:212
114091210,0ptp4l0-21swapper/222:31:202
114091210,0ptp4l0-21swapper/221:52:592
114091210,0ptp4l0-21swapper/221:25:122
114091210,0ptp4l0-21swapper/220:57:112
114091210,0ptp4l0-21swapper/220:49:592
114091210,0ptp4l0-21swapper/220:16:352
114091210,0ptp4l0-21swapper/219:16:412
114091210,0ptp4l0-21swapper/200:05:562
114091210,0ptp4l0-21swapper/122:43:421
114091210,0ptp4l0-21swapper/121:34:161
114091210,0ptp4l0-21swapper/120:44:401
114091210,0ptp4l0-21swapper/120:26:581
114091210,0ptp4l0-21swapper/120:06:591
114091210,0ptp4l0-21swapper/023:53:450
114091210,0ptp4l0-21swapper/023:15:030
114091210,0ptp4l0-21swapper/023:11:110
114091210,0ptp4l0-21swapper/022:39:490
114091210,0ptp4l0-21swapper/022:20:060
114091210,0ptp4l0-21swapper/020:21:280
114091210,0ptp4l0-21swapper/020:01:590
114091210,0ptp4l0-21swapper/019:56:400
114091210,0ptp4l0-21swapper/019:56:400
114091210,0ptp4l0-21swapper/000:24:000
114091210,0ptp4l0-21swapper/000:03:080
114091200,0ptp4l0-21swapper/623:59:196
114091200,0ptp4l0-21swapper/600:05:546
114091200,0ptp4l0-21swapper/520:06:595
114091200,0ptp4l0-21swapper/420:59:374
114091200,0ptp4l0-21swapper/322:29:013
114091200,0ptp4l0-21swapper/221:59:512
114091200,0ptp4l0-21swapper/221:24:412
114091200,0ptp4l0-21swapper/220:34:562
114091200,0ptp4l0-21swapper/219:43:402
114091200,0ptp4l0-21swapper/120:36:331
114091200,0ptp4l0-21swapper/119:31:531
114091200,0ptp4l0-21swapper/020:27:410
114091200,0ptp4l0-21swapper/019:20:240
114091190,0ptp4l0-21swapper/622:52:416
114091190,0ptp4l0-21swapper/621:52:586
114091190,0ptp4l0-21swapper/523:54:485
114091190,0ptp4l0-21swapper/420:38:214
114091190,0ptp4l0-21swapper/021:00:370
114091190,0ptp4l0-21swapper/020:48:080
114091190,0ptp4l0-21swapper/019:37:570
114091180,0ptp4l0-21swapper/421:07:354
114091180,0ptp4l0-21swapper/020:55:470
172432170,0sleep30-21swapper/321:35:013
114091170,2ptp4l0-21swapper/020:10:410
114091170,0ptp4l0-21swapper/700:04:047
114091170,0ptp4l0-21swapper/419:55:584
114091170,0ptp4l0-21swapper/419:55:584
114091170,0ptp4l0-21swapper/300:04:033
114091170,0ptp4l0-21swapper/020:51:280
205572160,0sleep20-21swapper/221:39:002
114091160,1ptp4l25867-21taskset19:47:266
114091160,1ptp4l16749-21taskset19:28:180
114091160,0ptp4l0-21swapper/620:11:596
114091160,0ptp4l0-21swapper/619:13:286
114091160,0ptp4l0-21swapper/021:05:230
114091160,0ptp4l0-21swapper/020:36:080
114091160,0ptp4l0-21swapper/020:07:450
114091160,0ptp4l0-21swapper/019:50:380
114091160,0ptp4l0-21swapper/019:42:110
114091160,0ptp4l0-21swapper/019:14:370
114091150,0ptp4l41-21ksoftirqd/320:43:423
114091150,0ptp4l0-21swapper/720:47:247
114091150,0ptp4l0-21swapper/620:50:036
114091150,0ptp4l0-21swapper/620:21:206
114091150,0ptp4l0-21swapper/620:04:136
114091150,0ptp4l0-21swapper/619:16:406
114091150,0ptp4l0-21swapper/421:02:234
114091150,0ptp4l0-21swapper/420:51:304
114091150,0ptp4l0-21swapper/420:46:094
114091150,0ptp4l0-21swapper/420:40:224
114091150,0ptp4l0-21swapper/420:31:444
114091150,0ptp4l0-21swapper/420:26:114
114091150,0ptp4l0-21swapper/420:20:334
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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