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2026-03-23 - 05:47

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 Mon Mar 23, 2026 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1881916252,6phc2sys0-21swapper/719:07:417
111391610,5ptp4l0-21swapper/419:05:584
111391600,2ptp4l0-21swapper/019:05:130
34812590,0sleep50-21swapper/523:20:015
1586325646,6sleep20-21swapper/219:05:432
1599825533,6sleep60-21swapper/619:07:316
1429225341,7sleep10-21swapper/119:05:101
1598625231,7sleep30-21swapper/319:07:203
157472500,0sleep10-21swapper/100:22:211
1602324534,7sleep50-21swapper/519:07:465
111391340,1ptp4l26962-21ssh23:51:210
111391330,0ptp4l0-21swapper/422:15:144
111391330,0ptp4l0-21swapper/421:25:104
111391320,0ptp4l0-21swapper/423:10:014
111391320,0ptp4l0-21swapper/421:45:214
111391320,0ptp4l0-21swapper/021:36:250
111391310,1ptp4l14114-21ssh22:03:310
111391310,0ptp4l0-21swapper/421:33:124
111391310,0ptp4l0-21swapper/021:15:120
111391300,0ptp4l0-21swapper/423:28:114
111391300,0ptp4l0-21swapper/023:28:070
111391300,0ptp4l0-21swapper/023:17:220
111391300,0ptp4l0-21swapper/023:00:240
111391290,0ptp4l0-21swapper/423:48:394
111391290,0ptp4l0-21swapper/423:24:214
111391290,0ptp4l0-21swapper/421:17:394
111391290,0ptp4l0-21swapper/319:50:173
111391290,0ptp4l0-21swapper/121:54:361
111391290,0ptp4l0-21swapper/121:25:061
111391290,0ptp4l0-21swapper/022:07:270
111391290,0ptp4l0-21swapper/021:11:110
111391290,0ptp4l0-21swapper/020:10:150
111391290,0ptp4l0-21swapper/019:35:200
111391290,0ptp4l0-21swapper/000:28:170
111391280,0ptp4l0-21swapper/423:40:154
111391280,0ptp4l0-21swapper/400:26:374
111391280,0ptp4l0-21swapper/400:01:544
111391280,0ptp4l0-21swapper/200:32:012
111391280,0ptp4l0-21swapper/023:11:490
111391280,0ptp4l0-21swapper/022:43:240
111391280,0ptp4l0-21swapper/022:15:150
111391280,0ptp4l0-21swapper/020:35:130
111391270,0ptp4l7234-21diskmemload22:27:420
111391270,0ptp4l7234-21diskmemload22:27:410
111391270,0ptp4l0-21swapper/623:27:056
111391270,0ptp4l0-21swapper/421:44:544
111391270,0ptp4l0-21swapper/421:13:054
111391270,0ptp4l0-21swapper/420:25:214
111391270,0ptp4l0-21swapper/400:17:034
111391270,0ptp4l0-21swapper/022:37:360
111391270,0ptp4l0-21swapper/021:41:250
111391270,0ptp4l0-21swapper/021:29:470
111391270,0ptp4l0-21swapper/000:18:350
111391270,0ptp4l0-21swapper/000:04:260
111391260,0ptp4l0-21swapper/423:51:504
111391260,0ptp4l0-21swapper/423:15:144
111391260,0ptp4l0-21swapper/422:04:124
111391260,0ptp4l0-21swapper/419:55:204
111391260,0ptp4l0-21swapper/400:33:284
111391260,0ptp4l0-21swapper/400:11:034
111391260,0ptp4l0-21swapper/023:21:370
111391260,0ptp4l0-21swapper/022:56:470
111391260,0ptp4l0-21swapper/022:21:530
111391260,0ptp4l0-21swapper/020:05:170
111391260,0ptp4l0-21swapper/000:07:260
111391250,3ptp4l561ktimersoftd/500:04:155
111391250,1ptp4l5961-21users21:50:220
111391250,0ptp4l0-21swapper/719:25:577
111391250,0ptp4l0-21swapper/521:53:565
111391250,0ptp4l0-21swapper/519:30:005
111391250,0ptp4l0-21swapper/423:59:364
111391250,0ptp4l0-21swapper/423:11:044
111391250,0ptp4l0-21swapper/422:36:534
111391250,0ptp4l0-21swapper/422:23:404
111391250,0ptp4l0-21swapper/422:08:594
111391250,0ptp4l0-21swapper/421:50:194
111391250,0ptp4l0-21swapper/421:35:104
111391250,0ptp4l0-21swapper/400:38:314
111391250,0ptp4l0-21swapper/400:06:324
111391250,0ptp4l0-21swapper/221:46:092
111391250,0ptp4l0-21swapper/221:11:082
111391250,0ptp4l0-21swapper/100:18:021
111391250,0ptp4l0-21swapper/022:33:290
111391250,0ptp4l0-21swapper/020:45:120
111391250,0ptp4l0-21swapper/020:20:150
111391250,0ptp4l0-21swapper/020:00:170
243792240,0sleep40-21swapper/420:35:144
111391240,3ptp4l721ktimersoftd/722:08:037
111391240,2ptp4l0-21swapper/521:46:045
111391240,1ptp4l9519-21sshd20:01:554
111391240,1ptp4l9-21ksoftirqd/023:55:200
111391240,1ptp4l8127-21grep21:55:124
111391240,1ptp4l8014-21if_eno122:40:143
111391240,1ptp4l733-21dbus-daemon19:10:010
111391240,1ptp4l29999-21users20:45:204
111391240,1ptp4l25-21ksoftirqd/100:10:181
111391240,1ptp4l19958-21if_enp1s019:15:144
111391240,1ptp4l18011-21ssh23:40:080
111391240,1ptp4l15022-21hddtemp_smartct20:15:144
111391240,1ptp4l10026-21diskstats00:15:115
111391240,0ptp4l0-21swapper/719:50:207
111391240,0ptp4l0-21swapper/521:11:565
111391240,0ptp4l0-21swapper/422:57:044
111391240,0ptp4l0-21swapper/422:32:204
111391240,0ptp4l0-21swapper/422:25:204
111391240,0ptp4l0-21swapper/422:25:204
111391240,0ptp4l0-21swapper/420:56:074
111391240,0ptp4l0-21swapper/420:30:184
111391240,0ptp4l0-21swapper/420:20:194
111391240,0ptp4l0-21swapper/419:25:204
111391240,0ptp4l0-21swapper/023:05:070
111391240,0ptp4l0-21swapper/022:52:440
111391240,0ptp4l0-21swapper/021:33:480
111391240,0ptp4l0-21swapper/020:54:590
111391240,0ptp4l0-21swapper/020:40:550
111391240,0ptp4l0-21swapper/020:26:560
111391240,0ptp4l0-21swapper/019:55:120
111391240,0ptp4l0-21swapper/019:15:010
111391240,0ptp4l0-21swapper/000:37:540
111391230,1ptp4l17602-21ssh21:22:563
111391230,0ptp4l0-21swapper/722:40:187
111391230,0ptp4l0-21swapper/721:52:597
111391230,0ptp4l0-21swapper/522:35:135
111391230,0ptp4l0-21swapper/522:21:555
111391230,0ptp4l0-21swapper/521:43:195
111391230,0ptp4l0-21swapper/521:25:175
111391230,0ptp4l0-21swapper/520:10:115
111391230,0ptp4l0-21swapper/519:30:205
111391230,0ptp4l0-21swapper/500:21:375
111391230,0ptp4l0-21swapper/423:35:124
111391230,0ptp4l0-21swapper/423:30:164
111391230,0ptp4l0-21swapper/423:00:154
111391230,0ptp4l0-21swapper/422:50:124
111391230,0ptp4l0-21swapper/422:45:184
111391230,0ptp4l0-21swapper/422:40:234
111391230,0ptp4l0-21swapper/422:10:134
111391230,0ptp4l0-21swapper/421:05:134
111391230,0ptp4l0-21swapper/421:00:124
111391230,0ptp4l0-21swapper/420:50:194
111391230,0ptp4l0-21swapper/420:40:114
111391230,0ptp4l0-21swapper/420:10:194
111391230,0ptp4l0-21swapper/420:05:154
111391230,0ptp4l0-21swapper/419:45:144
111391230,0ptp4l0-21swapper/419:45:134
111391230,0ptp4l0-21swapper/419:30:174
111391230,0ptp4l0-21swapper/419:20:194
111391230,0ptp4l0-21swapper/400:20:144
111391230,0ptp4l0-21swapper/223:11:232
111391230,0ptp4l0-21swapper/222:55:092
111391230,0ptp4l0-21swapper/200:11:412
111391230,0ptp4l0-21swapper/123:10:111
111391230,0ptp4l0-21swapper/122:15:201
111391230,0ptp4l0-21swapper/121:30:161
111391230,0ptp4l0-21swapper/121:14:321
111391230,0ptp4l0-21swapper/120:05:011
111391230,0ptp4l0-21swapper/023:45:150
111391230,0ptp4l0-21swapper/023:35:180
111391230,0ptp4l0-21swapper/023:30:130
111391230,0ptp4l0-21swapper/022:45:220
111391230,0ptp4l0-21swapper/022:10:120
111391230,0ptp4l0-21swapper/021:55:210
111391230,0ptp4l0-21swapper/021:47:340
111391230,0ptp4l0-21swapper/021:20:130
111391230,0ptp4l0-21swapper/020:55:160
111391230,0ptp4l0-21swapper/020:30:130
111391230,0ptp4l0-21swapper/020:15:120
111391230,0ptp4l0-21swapper/019:40:130
111391230,0ptp4l0-21swapper/000:30:070
111391230,0ptp4l0-21swapper/000:20:200
111391220,1ptp4l27725-21ssh22:21:366
111391220,0ptp4l0-21swapper/723:57:237
111391220,0ptp4l0-21swapper/722:45:457
111391220,0ptp4l0-21swapper/722:39:567
111391220,0ptp4l0-21swapper/623:31:476
111391220,0ptp4l0-21swapper/622:55:116
111391220,0ptp4l0-21swapper/622:49:256
111391220,0ptp4l0-21swapper/621:54:116
111391220,0ptp4l0-21swapper/621:12:036
111391220,0ptp4l0-21swapper/600:05:346
111391220,0ptp4l0-21swapper/522:50:325
111391220,0ptp4l0-21swapper/500:10:205
111391220,0ptp4l0-21swapper/421:20:154
111391220,0ptp4l0-21swapper/419:40:144
111391220,0ptp4l0-21swapper/419:35:124
111391220,0ptp4l0-21swapper/419:10:144
111391220,0ptp4l0-21swapper/323:57:073
111391220,0ptp4l0-21swapper/322:46:173
111391220,0ptp4l0-21swapper/322:39:353
111391220,0ptp4l0-21swapper/223:50:002
111391220,0ptp4l0-21swapper/222:49:202
111391220,0ptp4l0-21swapper/222:42:342
111391220,0ptp4l0-21swapper/222:21:392
111391220,0ptp4l0-21swapper/123:17:191
111391220,0ptp4l0-21swapper/122:58:221
111391220,0ptp4l0-21swapper/122:45:181
111391220,0ptp4l0-21swapper/122:31:491
111391220,0ptp4l0-21swapper/122:24:491
111391220,0ptp4l0-21swapper/122:03:031
111391220,0ptp4l0-21swapper/121:57:451
111391220,0ptp4l0-21swapper/121:18:521
111391220,0ptp4l0-21swapper/120:15:141
111391220,0ptp4l0-21swapper/119:58:571
111391220,0ptp4l0-21swapper/119:20:151
111391220,0ptp4l0-21swapper/100:38:471
111391220,0ptp4l0-21swapper/100:05:561
111391220,0ptp4l0-21swapper/100:00:341
111391220,0ptp4l0-21swapper/021:05:180
111391220,0ptp4l0-21swapper/021:00:150
111391220,0ptp4l0-21swapper/019:45:120
111391220,0ptp4l0-21swapper/019:45:120
111391220,0ptp4l0-21swapper/019:30:110
111391220,0ptp4l0-21swapper/019:25:160
111391220,0ptp4l0-21swapper/019:20:120
111391220,0ptp4l0-21swapper/000:10:000
111391210,0ptp4l7280-21ssh21:54:162
111391210,0ptp4l7234-21diskmemload00:25:261
111391210,0ptp4l0-21swapper/723:33:137
111391210,0ptp4l0-21swapper/721:23:027
111391210,0ptp4l0-21swapper/719:49:577
111391210,0ptp4l0-21swapper/719:49:577
111391210,0ptp4l0-21swapper/623:42:536
111391210,0ptp4l0-21swapper/623:22:056
111391210,0ptp4l0-21swapper/622:50:366
111391210,0ptp4l0-21swapper/621:38:276
111391210,0ptp4l0-21swapper/523:27:445
111391210,0ptp4l0-21swapper/523:20:545
111391210,0ptp4l0-21swapper/523:06:295
111391210,0ptp4l0-21swapper/522:55:595
111391210,0ptp4l0-21swapper/522:49:145
111391210,0ptp4l0-21swapper/522:43:565
111391210,0ptp4l0-21swapper/522:29:265
111391210,0ptp4l0-21swapper/522:29:255
111391210,0ptp4l0-21swapper/522:00:255
111391210,0ptp4l0-21swapper/520:30:235
111391210,0ptp4l0-21swapper/500:39:535
111391210,0ptp4l0-21swapper/500:32:105
111391210,0ptp4l0-21swapper/323:33:123
111391210,0ptp4l0-21swapper/322:07:463
111391210,0ptp4l0-21swapper/321:46:393
111391210,0ptp4l0-21swapper/223:49:582
111391210,0ptp4l0-21swapper/223:31:452
111391210,0ptp4l0-21swapper/221:38:112
111391210,0ptp4l0-21swapper/200:17:552
111391210,0ptp4l0-21swapper/123:56:091
111391210,0ptp4l0-21swapper/123:46:111
111391210,0ptp4l0-21swapper/123:42:181
111391210,0ptp4l0-21swapper/123:28:171
111391210,0ptp4l0-21swapper/123:23:571
111391210,0ptp4l0-21swapper/123:07:291
111391210,0ptp4l0-21swapper/122:36:251
111391210,0ptp4l0-21swapper/122:26:561
111391210,0ptp4l0-21swapper/122:26:561
111391210,0ptp4l0-21swapper/122:10:351
111391210,0ptp4l0-21swapper/121:46:491
111391210,0ptp4l0-21swapper/019:54:590
111391200,0ptp4l0-21swapper/623:49:436
111391200,0ptp4l0-21swapper/621:46:106
111391200,0ptp4l0-21swapper/621:44:306
111391200,0ptp4l0-21swapper/600:20:496
111391200,0ptp4l0-21swapper/523:55:325
111391200,0ptp4l0-21swapper/523:44:425
111391200,0ptp4l0-21swapper/522:05:435
111391200,0ptp4l0-21swapper/521:38:455
111391200,0ptp4l0-21swapper/521:30:245
111391200,0ptp4l0-21swapper/520:44:335
111391200,0ptp4l0-21swapper/520:22:555
111391200,0ptp4l0-21swapper/519:45:085
111391200,0ptp4l0-21swapper/519:45:085
111391200,0ptp4l0-21swapper/519:20:165
111391200,0ptp4l0-21swapper/500:27:195
111391200,0ptp4l0-21swapper/321:53:003
111391200,0ptp4l0-21swapper/319:49:213
111391200,0ptp4l0-21swapper/319:49:203
111391200,0ptp4l0-21swapper/319:20:273
111391200,0ptp4l0-21swapper/222:50:372
111391200,0ptp4l0-21swapper/200:05:322
111391200,0ptp4l0-21swapper/123:51:081
111391200,0ptp4l0-21swapper/123:36:241
111391200,0ptp4l0-21swapper/122:40:401
111391200,0ptp4l0-21swapper/121:39:561
111391200,0ptp4l0-21swapper/119:25:171
111391190,0ptp4l0-21swapper/719:20:487
111391190,0ptp4l0-21swapper/521:58:005
111391190,0ptp4l0-21swapper/521:19:205
111391190,0ptp4l0-21swapper/123:34:581
111391190,0ptp4l0-21swapper/122:53:191
111391190,0ptp4l0-21swapper/120:30:211
111391180,0ptp4l0-21swapper/623:50:036
111391180,0ptp4l0-21swapper/622:40:556
111391180,0ptp4l0-21swapper/600:17:556
111391180,0ptp4l0-21swapper/600:14:296
111391180,0ptp4l0-21swapper/600:01:296
111391180,0ptp4l0-21swapper/523:48:215
111391180,0ptp4l0-21swapper/523:10:465
111391180,0ptp4l0-21swapper/500:06:395
111391180,0ptp4l0-21swapper/223:27:032
111391180,0ptp4l0-21swapper/221:44:032
111391180,0ptp4l0-21swapper/221:24:232
111391180,0ptp4l0-21swapper/200:20:412
111391180,0ptp4l0-21swapper/123:00:491
111391180,0ptp4l0-21swapper/121:41:551
111391180,0ptp4l0-21swapper/119:35:511
111391180,0ptp4l0-21swapper/100:30:561
54492170,0sleep70-21swapper/721:05:137
111391170,0ptp4l0-21swapper/721:46:407
111391170,0ptp4l0-21swapper/623:11:236
111391170,0ptp4l0-21swapper/600:33:136
111391170,0ptp4l0-21swapper/523:50:565
111391170,0ptp4l0-21swapper/522:32:345
111391170,0ptp4l0-21swapper/522:14:595
111391170,0ptp4l0-21swapper/521:24:535
111391170,0ptp4l0-21swapper/223:22:032
111391170,0ptp4l0-21swapper/221:26:352
111391170,0ptp4l0-21swapper/119:54:461
111391160,1ptp4l33-21ksoftirqd/200:01:282
111391160,0ptp4l0-21swapper/621:01:156
111391160,0ptp4l0-21swapper/523:36:245
111391160,0ptp4l0-21swapper/521:08:475
111391160,0ptp4l0-21swapper/519:17:575
111391160,0ptp4l0-21swapper/519:11:585
111391160,0ptp4l0-21swapper/419:53:004
111391160,0ptp4l0-21swapper/220:42:582
111391160,0ptp4l0-21swapper/219:44:482
111391160,0ptp4l0-21swapper/121:05:301
111391160,0ptp4l0-21swapper/120:55:321
111391160,0ptp4l0-21swapper/120:44:321
111391160,0ptp4l0-21swapper/119:30:291
111391160,0ptp4l0-21swapper/119:15:291
111391160,0ptp4l0-21swapper/119:13:071
111391150,0ptp4l0-21swapper/720:50:087
111391150,0ptp4l0-21swapper/720:23:337
111391150,0ptp4l0-21swapper/621:24:476
111391150,0ptp4l0-21swapper/621:07:526
111391150,0ptp4l0-21swapper/620:42:056
111391150,0ptp4l0-21swapper/620:38:516
111391150,0ptp4l0-21swapper/620:28:386
111391150,0ptp4l0-21swapper/620:20:096
111391150,0ptp4l0-21swapper/620:17:076
111391150,0ptp4l0-21swapper/620:00:366
111391150,0ptp4l0-21swapper/619:58:406
111391150,0ptp4l0-21swapper/619:54:176
111391150,0ptp4l0-21swapper/619:44:506
111391150,0ptp4l0-21swapper/619:31:276
111391150,0ptp4l0-21swapper/619:27:026
111391150,0ptp4l0-21swapper/619:23:016
111391150,0ptp4l0-21swapper/619:10:056
111391150,0ptp4l0-21swapper/523:34:595
111391150,0ptp4l0-21swapper/522:17:385
111391150,0ptp4l0-21swapper/521:02:215
111391150,0ptp4l0-21swapper/520:57:095
111391150,0ptp4l0-21swapper/520:52:225
111391150,0ptp4l0-21swapper/520:37:115
111391150,0ptp4l0-21swapper/520:25:075
111391150,0ptp4l0-21swapper/520:15:035
111391150,0ptp4l0-21swapper/520:09:575
111391150,0ptp4l0-21swapper/519:55:225
111391150,0ptp4l0-21swapper/519:53:085
111391150,0ptp4l0-21swapper/519:43:275
111391150,0ptp4l0-21swapper/519:35:345
111391150,0ptp4l0-21swapper/320:50:083
111391150,0ptp4l0-21swapper/319:25:323
111391150,0ptp4l0-21swapper/223:42:522
111391150,0ptp4l0-21swapper/221:56:222
111391150,0ptp4l0-21swapper/221:07:502
111391150,0ptp4l0-21swapper/221:01:142
111391150,0ptp4l0-21swapper/220:39:022
111391150,0ptp4l0-21swapper/220:27:322
111391150,0ptp4l0-21swapper/220:17:152
111391150,0ptp4l0-21swapper/220:12:172
111391150,0ptp4l0-21swapper/220:00:372
111391150,0ptp4l0-21swapper/219:54:252
111391150,0ptp4l0-21swapper/219:31:272
111391150,0ptp4l0-21swapper/219:27:002
111391150,0ptp4l0-21swapper/219:23:052
111391150,0ptp4l0-21swapper/122:05:411
111391150,0ptp4l0-21swapper/121:00:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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