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2026-03-27 - 11:41

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 Fri Mar 27, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391680,5ptp4l0-21swapper/519:07:115
111391660,5ptp4l0-21swapper/119:05:531
119802630,0sleep20-21swapper/223:30:012
111391610,29ptp4l0-21swapper/019:08:390
284972600,1sleep5561ktimersoftd/523:05:205
111391570,5ptp4l0-21swapper/419:09:574
197012560,0sleep40-21swapper/400:27:064
2689125332,6sleep60-21swapper/619:06:216
2711425140,6sleep70-21swapper/719:09:107
2703625039,7sleep20-21swapper/219:08:092
2701024736,7sleep30-21swapper/319:07:463
111391310,7ptp4l7460-21grep19:35:120
111391310,0ptp4l0-21swapper/723:55:167
111391310,0ptp4l0-21swapper/422:05:004
111391310,0ptp4l0-21swapper/421:51:134
111391310,0ptp4l0-21swapper/023:03:260
111391300,0ptp4l0-21swapper/719:30:167
111391300,0ptp4l0-21swapper/423:30:184
111391300,0ptp4l0-21swapper/121:49:301
111391290,0ptp4l0-21swapper/422:40:364
111391290,0ptp4l0-21swapper/421:41:044
111391290,0ptp4l0-21swapper/023:46:100
111391280,0ptp4l0-21swapper/521:55:235
111391280,0ptp4l0-21swapper/423:46:464
111391280,0ptp4l0-21swapper/400:31:004
111391280,0ptp4l0-21swapper/123:17:121
111391280,0ptp4l0-21swapper/123:17:121
111391280,0ptp4l0-21swapper/122:02:161
111391280,0ptp4l0-21swapper/021:53:240
111391280,0ptp4l0-21swapper/019:55:110
111391280,0ptp4l0-21swapper/000:02:270
111391270,2ptp4l0-21swapper/023:14:530
111391270,0ptp4l5959-21phc2sys00:05:195
111391270,0ptp4l0-21swapper/520:17:035
111391270,0ptp4l0-21swapper/500:26:115
111391270,0ptp4l0-21swapper/423:23:494
111391270,0ptp4l0-21swapper/422:13:204
111391270,0ptp4l0-21swapper/421:24:214
111391270,0ptp4l0-21swapper/400:38:584
111391270,0ptp4l0-21swapper/400:03:004
111391270,0ptp4l0-21swapper/123:29:561
111391270,0ptp4l0-21swapper/023:56:580
111391270,0ptp4l0-21swapper/023:42:010
111391270,0ptp4l0-21swapper/023:32:560
111391270,0ptp4l0-21swapper/021:42:240
111391270,0ptp4l0-21swapper/021:24:330
111391260,5ptp4l0-21swapper/521:29:545
111391260,0ptp4l0-21swapper/523:24:315
111391260,0ptp4l0-21swapper/522:02:265
111391260,0ptp4l0-21swapper/521:05:175
111391260,0ptp4l0-21swapper/421:47:274
111391260,0ptp4l0-21swapper/421:35:534
111391260,0ptp4l0-21swapper/400:22:174
111391260,0ptp4l0-21swapper/323:55:323
111391260,0ptp4l0-21swapper/322:49:083
111391260,0ptp4l0-21swapper/123:51:421
111391260,0ptp4l0-21swapper/122:41:581
111391260,0ptp4l0-21swapper/121:31:151
111391260,0ptp4l0-21swapper/022:23:430
111391260,0ptp4l0-21swapper/021:17:200
111391260,0ptp4l0-21swapper/020:45:240
111391260,0ptp4l0-21swapper/000:13:270
111391250,4ptp4l0-21swapper/023:35:260
111391250,1ptp4l19096-21diskstats20:00:100
111391250,0ptp4l0-21swapper/722:48:277
111391250,0ptp4l0-21swapper/522:30:215
111391250,0ptp4l0-21swapper/521:30:175
111391250,0ptp4l0-21swapper/521:12:355
111391250,0ptp4l0-21swapper/520:50:015
111391250,0ptp4l0-21swapper/423:41:384
111391250,0ptp4l0-21swapper/423:03:364
111391250,0ptp4l0-21swapper/422:18:194
111391250,0ptp4l0-21swapper/421:58:094
111391250,0ptp4l0-21swapper/400:08:274
111391250,0ptp4l0-21swapper/023:19:010
111391250,0ptp4l0-21swapper/023:19:000
111391250,0ptp4l0-21swapper/023:05:560
111391250,0ptp4l0-21swapper/000:25:060
111391240,2ptp4l21170-21cpuspeed_turbos00:30:135
111391240,2ptp4l101ktimersoftd/020:55:160
111391240,1ptp4l9956-21fw_forwarded_lo19:40:130
111391240,1ptp4l9942-21/usr/sbin/munin23:25:180
111391240,1ptp4l3889-21smartctl19:25:184
111391240,1ptp4l29804-21smartctl21:25:124
111391240,1ptp4l23714-21fw_packets20:10:111
111391240,1ptp4l23349-21df_inode23:45:111
111391240,1ptp4l13053-21smart_sda19:45:195
111391240,0ptp4l0-21swapper/722:50:017
111391240,0ptp4l0-21swapper/619:55:136
111391240,0ptp4l0-21swapper/523:47:265
111391240,0ptp4l0-21swapper/500:20:505
111391240,0ptp4l0-21swapper/500:00:015
111391240,0ptp4l0-21swapper/423:26:404
111391240,0ptp4l0-21swapper/423:10:514
111391240,0ptp4l0-21swapper/422:58:504
111391240,0ptp4l0-21swapper/422:26:074
111391240,0ptp4l0-21swapper/421:10:314
111391240,0ptp4l0-21swapper/400:14:134
111391240,0ptp4l0-21swapper/322:10:223
111391240,0ptp4l0-21swapper/123:23:291
111391240,0ptp4l0-21swapper/123:05:061
111391240,0ptp4l0-21swapper/120:55:111
111391240,0ptp4l0-21swapper/022:47:180
111391240,0ptp4l0-21swapper/022:40:530
111391240,0ptp4l0-21swapper/000:30:150
111391240,0ptp4l0-21swapper/000:21:580
27494992311,0cyclictest0-21swapper/623:05:206
111391230,3ptp4l641ktimersoftd/623:19:076
111391230,3ptp4l641ktimersoftd/623:19:076
111391230,1ptp4l5883-21cut22:35:125
111391230,0ptp4l0-21swapper/722:06:447
111391230,0ptp4l0-21swapper/623:21:376
111391230,0ptp4l0-21swapper/523:40:595
111391230,0ptp4l0-21swapper/523:40:005
111391230,0ptp4l0-21swapper/522:45:155
111391230,0ptp4l0-21swapper/521:35:205
111391230,0ptp4l0-21swapper/521:00:215
111391230,0ptp4l0-21swapper/520:55:125
111391230,0ptp4l0-21swapper/520:50:145
111391230,0ptp4l0-21swapper/520:35:165
111391230,0ptp4l0-21swapper/520:35:165
111391230,0ptp4l0-21swapper/519:15:135
111391230,0ptp4l0-21swapper/500:35:205
111391230,0ptp4l0-21swapper/500:15:165
111391230,0ptp4l0-21swapper/500:00:235
111391230,0ptp4l0-21swapper/423:50:144
111391230,0ptp4l0-21swapper/423:15:174
111391230,0ptp4l0-21swapper/423:15:164
111391230,0ptp4l0-21swapper/423:09:054
111391230,0ptp4l0-21swapper/422:53:354
111391230,0ptp4l0-21swapper/422:35:164
111391230,0ptp4l0-21swapper/422:30:134
111391230,0ptp4l0-21swapper/422:20:484
111391230,0ptp4l0-21swapper/420:25:164
111391230,0ptp4l0-21swapper/420:20:114
111391230,0ptp4l0-21swapper/419:55:174
111391230,0ptp4l0-21swapper/419:45:054
111391230,0ptp4l0-21swapper/419:40:174
111391230,0ptp4l0-21swapper/419:30:114
111391230,0ptp4l0-21swapper/419:20:104
111391230,0ptp4l0-21swapper/400:14:594
111391230,0ptp4l0-21swapper/322:50:113
111391230,0ptp4l0-21swapper/219:55:112
111391230,0ptp4l0-21swapper/123:32:061
111391230,0ptp4l0-21swapper/122:56:411
111391230,0ptp4l0-21swapper/121:35:151
111391230,0ptp4l0-21swapper/121:30:011
111391230,0ptp4l0-21swapper/121:05:171
111391230,0ptp4l0-21swapper/121:00:161
111391230,0ptp4l0-21swapper/120:50:121
111391230,0ptp4l0-21swapper/120:40:181
111391230,0ptp4l0-21swapper/120:35:201
111391230,0ptp4l0-21swapper/120:35:191
111391230,0ptp4l0-21swapper/120:05:191
111391230,0ptp4l0-21swapper/119:50:121
111391230,0ptp4l0-21swapper/119:35:001
111391230,0ptp4l0-21swapper/119:20:171
111391230,0ptp4l0-21swapper/119:15:121
111391230,0ptp4l0-21swapper/100:35:121
111391230,0ptp4l0-21swapper/100:30:131
111391230,0ptp4l0-21swapper/023:52:280
111391230,0ptp4l0-21swapper/023:21:510
111391230,0ptp4l0-21swapper/022:50:560
111391230,0ptp4l0-21swapper/022:33:130
111391230,0ptp4l0-21swapper/022:26:000
111391230,0ptp4l0-21swapper/022:05:390
111391230,0ptp4l0-21swapper/021:55:330
111391230,0ptp4l0-21swapper/021:45:410
111391230,0ptp4l0-21swapper/019:20:130
111391230,0ptp4l0-21swapper/019:10:150
111391220,1ptp4l5648-21sh22:35:091
111391220,0ptp4l0-21swapper/723:54:347
111391220,0ptp4l0-21swapper/722:10:337
111391220,0ptp4l0-21swapper/621:38:386
111391220,0ptp4l0-21swapper/621:17:486
111391220,0ptp4l0-21swapper/523:50:025
111391220,0ptp4l0-21swapper/523:33:335
111391220,0ptp4l0-21swapper/523:27:545
111391220,0ptp4l0-21swapper/523:17:485
111391220,0ptp4l0-21swapper/523:17:475
111391220,0ptp4l0-21swapper/523:10:065
111391220,0ptp4l0-21swapper/522:55:135
111391220,0ptp4l0-21swapper/522:51:385
111391220,0ptp4l0-21swapper/522:44:495
111391220,0ptp4l0-21swapper/522:20:035
111391220,0ptp4l0-21swapper/521:48:435
111391220,0ptp4l0-21swapper/521:21:415
111391220,0ptp4l0-21swapper/520:40:155
111391220,0ptp4l0-21swapper/520:10:115
111391220,0ptp4l0-21swapper/519:50:145
111391220,0ptp4l0-21swapper/519:10:105
111391220,0ptp4l0-21swapper/423:35:124
111391220,0ptp4l0-21swapper/422:47:324
111391220,0ptp4l0-21swapper/422:05:514
111391220,0ptp4l0-21swapper/421:34:394
111391220,0ptp4l0-21swapper/421:15:154
111391220,0ptp4l0-21swapper/421:07:214
111391220,0ptp4l0-21swapper/420:45:164
111391220,0ptp4l0-21swapper/420:30:194
111391220,0ptp4l0-21swapper/420:10:174
111391220,0ptp4l0-21swapper/420:00:184
111391220,0ptp4l0-21swapper/322:07:073
111391220,0ptp4l0-21swapper/319:30:183
111391220,0ptp4l0-21swapper/223:33:452
111391220,0ptp4l0-21swapper/123:57:311
111391220,0ptp4l0-21swapper/123:43:111
111391220,0ptp4l0-21swapper/123:36:161
111391220,0ptp4l0-21swapper/123:10:561
111391220,0ptp4l0-21swapper/122:52:331
111391220,0ptp4l0-21swapper/122:45:161
111391220,0ptp4l0-21swapper/122:30:151
111391220,0ptp4l0-21swapper/122:25:431
111391220,0ptp4l0-21swapper/122:20:211
111391220,0ptp4l0-21swapper/122:15:571
111391220,0ptp4l0-21swapper/122:11:581
111391220,0ptp4l0-21swapper/121:51:311
111391220,0ptp4l0-21swapper/121:21:151
111391220,0ptp4l0-21swapper/120:15:231
111391220,0ptp4l0-21swapper/119:45:101
111391220,0ptp4l0-21swapper/119:10:131
111391220,0ptp4l0-21swapper/100:21:311
111391220,0ptp4l0-21swapper/100:15:121
111391220,0ptp4l0-21swapper/100:05:041
111391220,0ptp4l0-21swapper/100:00:201
111391220,0ptp4l0-21swapper/022:55:130
111391220,0ptp4l0-21swapper/022:35:170
111391220,0ptp4l0-21swapper/022:17:270
111391220,0ptp4l0-21swapper/022:10:100
111391220,0ptp4l0-21swapper/022:00:100
111391220,0ptp4l0-21swapper/021:35:120
111391220,0ptp4l0-21swapper/021:30:170
111391220,0ptp4l0-21swapper/021:25:140
111391220,0ptp4l0-21swapper/021:10:120
111391220,0ptp4l0-21swapper/020:30:210
111391220,0ptp4l0-21swapper/020:25:120
111391220,0ptp4l0-21swapper/020:20:130
111391220,0ptp4l0-21swapper/019:25:120
111391220,0ptp4l0-21swapper/000:36:290
111391220,0ptp4l0-21swapper/000:05:480
111391210,0ptp4l0-21swapper/622:55:316
111391210,0ptp4l0-21swapper/622:46:456
111391210,0ptp4l0-21swapper/622:08:086
111391210,0ptp4l0-21swapper/621:42:376
111391210,0ptp4l0-21swapper/600:01:306
111391210,0ptp4l0-21swapper/523:04:025
111391210,0ptp4l0-21swapper/522:16:155
111391210,0ptp4l0-21swapper/522:12:245
111391210,0ptp4l0-21swapper/521:50:145
111391210,0ptp4l0-21swapper/521:44:445
111391210,0ptp4l0-21swapper/521:19:195
111391210,0ptp4l0-21swapper/520:05:195
111391210,0ptp4l0-21swapper/519:36:505
111391210,0ptp4l0-21swapper/420:55:164
111391210,0ptp4l0-21swapper/420:19:354
111391210,0ptp4l0-21swapper/420:06:244
111391210,0ptp4l0-21swapper/419:53:464
111391210,0ptp4l0-21swapper/320:44:163
111391210,0ptp4l0-21swapper/223:43:462
111391210,0ptp4l0-21swapper/223:21:362
111391210,0ptp4l0-21swapper/223:19:082
111391210,0ptp4l0-21swapper/223:19:072
111391210,0ptp4l0-21swapper/221:42:372
111391210,0ptp4l0-21swapper/221:38:422
111391210,0ptp4l0-21swapper/221:17:202
111391210,0ptp4l0-21swapper/123:02:541
111391210,0ptp4l0-21swapper/121:43:081
111391210,0ptp4l0-21swapper/121:15:061
111391210,0ptp4l0-21swapper/121:11:501
111391210,0ptp4l0-21swapper/120:29:481
111391210,0ptp4l0-21swapper/119:37:061
111391210,0ptp4l0-21swapper/100:26:071
111391210,0ptp4l0-21swapper/020:10:200
111391210,0ptp4l0-21swapper/000:15:010
111391200,3ptp4l0-21swapper/519:20:355
111391200,2ptp4l0-21swapper/019:34:510
111391200,0ptp4l0-21swapper/622:18:406
111391200,0ptp4l0-21swapper/622:00:006
111391200,0ptp4l0-21swapper/620:33:416
111391200,0ptp4l0-21swapper/620:01:276
111391200,0ptp4l0-21swapper/522:07:555
111391200,0ptp4l0-21swapper/423:56:164
111391200,0ptp4l0-21swapper/421:01:164
111391200,0ptp4l0-21swapper/420:43:384
111391200,0ptp4l0-21swapper/419:35:164
111391200,0ptp4l0-21swapper/419:10:204
111391200,0ptp4l0-21swapper/223:01:302
111391200,0ptp4l0-21swapper/222:38:442
111391200,0ptp4l0-21swapper/222:18:242
111391200,0ptp4l0-21swapper/222:08:002
111391200,0ptp4l0-21swapper/122:07:521
111391200,0ptp4l0-21swapper/100:13:431
111391200,0ptp4l0-21swapper/021:09:270
111391200,0ptp4l0-21swapper/020:43:080
111391200,0ptp4l0-21swapper/020:36:140
111391200,0ptp4l0-21swapper/020:36:140
111391200,0ptp4l0-21swapper/019:51:480
111391200,0ptp4l0-21swapper/019:16:230
111391190,0ptp4l0-21swapper/622:34:236
111391190,0ptp4l0-21swapper/600:08:136
111391190,0ptp4l0-21swapper/520:29:255
111391190,0ptp4l0-21swapper/520:20:445
111391190,0ptp4l0-21swapper/420:54:384
111391190,0ptp4l0-21swapper/223:09:102
111391190,0ptp4l0-21swapper/222:46:402
111391190,0ptp4l0-21swapper/222:24:552
111391190,0ptp4l0-21swapper/222:14:362
111391190,0ptp4l0-21swapper/200:08:152
111391190,0ptp4l0-21swapper/121:56:361
111391190,0ptp4l0-21swapper/120:31:251
111391190,0ptp4l0-21swapper/120:21:441
111391190,0ptp4l0-21swapper/020:19:150
111391190,0ptp4l0-21swapper/019:45:520
111391180,0ptp4l0-21swapper/623:01:286
111391180,0ptp4l0-21swapper/622:14:366
111391180,0ptp4l0-21swapper/621:47:516
111391180,0ptp4l0-21swapper/620:51:246
111391180,0ptp4l0-21swapper/522:25:445
111391180,0ptp4l0-21swapper/420:38:414
111391180,0ptp4l0-21swapper/420:38:404
111391180,0ptp4l0-21swapper/323:54:583
111391180,0ptp4l0-21swapper/319:50:503
111391180,0ptp4l0-21swapper/221:47:512
111391180,0ptp4l0-21swapper/200:20:252
111391180,0ptp4l0-21swapper/200:01:332
111391180,0ptp4l0-21swapper/120:04:561
111391170,0ptp4l0-21swapper/623:33:456
111391170,0ptp4l0-21swapper/622:53:166
111391170,0ptp4l0-21swapper/619:10:466
111391170,0ptp4l0-21swapper/500:10:065
111391170,0ptp4l0-21swapper/321:09:153
111391170,0ptp4l0-21swapper/222:34:222
111391160,0ptp4l0-21swapper/622:24:536
111391160,0ptp4l0-21swapper/520:04:215
111391160,0ptp4l0-21swapper/519:29:035
111391160,0ptp4l0-21swapper/220:14:042
111391160,0ptp4l0-21swapper/120:49:341
111391160,0ptp4l0-21swapper/119:55:241
111391160,0ptp4l0-21swapper/119:27:311
111391160,0ptp4l0-21swapper/021:00:560
111391160,0ptp4l0-21swapper/020:52:070
111391150,0ptp4l57-21ksoftirqd/519:33:455
111391150,0ptp4l0-21swapper/721:08:387
111391150,0ptp4l0-21swapper/720:43:567
111391150,0ptp4l0-21swapper/719:50:517
111391150,0ptp4l0-21swapper/622:38:416
111391150,0ptp4l0-21swapper/620:48:316
111391150,0ptp4l0-21swapper/620:14:046
111391150,0ptp4l0-21swapper/619:22:136
111391150,0ptp4l0-21swapper/619:15:526
111391150,0ptp4l0-21swapper/600:20:256
111391150,0ptp4l0-21swapper/520:31:425
111391150,0ptp4l0-21swapper/519:42:105
111391150,0ptp4l0-21swapper/419:15:474
111391150,0ptp4l0-21swapper/220:51:122
111391150,0ptp4l0-21swapper/220:33:352
111391150,0ptp4l0-21swapper/220:02:022
111391150,0ptp4l0-21swapper/219:15:502
111391150,0ptp4l0-21swapper/219:11:402
111391150,0ptp4l0-21swapper/119:42:041
111391150,0ptp4l0-21swapper/020:06:170
2750199140,1cyclictest0-21swapper/722:55:147
111391140,0ptp4l0-21swapper/620:06:406
111391140,0ptp4l0-21swapper/519:55:265
111391140,0ptp4l0-21swapper/222:55:282
111391140,0ptp4l0-21swapper/222:53:142
111391140,0ptp4l0-21swapper/221:59:582
111391140,0ptp4l0-21swapper/221:20:432
111391140,0ptp4l0-21swapper/220:48:302
111391140,0ptp4l0-21swapper/220:09:362
111391140,0ptp4l0-21swapper/219:22:122
2747499120,2cyclictest7305-21ssh22:35:363
2747499119,1cyclictest0-21swapper/321:43:163
2750199109,0cyclictest0-21swapper/723:25:117
2750199109,0cyclictest0-21swapper/721:12:137
2750199108,1cyclictest13868-21turbostat19:49:597
2750199100,9cyclictest0-21swapper/723:44:397
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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