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2026-03-24 - 09:38

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 Tue Mar 24, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391710,29ptp4l0-21swapper/119:08:341
1881916352,6phc2sys0-21swapper/719:07:037
111391600,5ptp4l0-21swapper/419:07:554
111391600,5ptp4l0-21swapper/019:05:430
174522590,0sleep30-21swapper/323:50:183
209412540,0sleep70-21swapper/721:40:127
151062540,2sleep0768799cyclictest23:01:030
111391530,5ptp4l0-21swapper/519:08:365
616625037,7sleep20-21swapper/219:05:172
725424736,7sleep30-21swapper/319:07:503
723924635,6sleep60-21swapper/619:07:376
111391350,0ptp4l0-21swapper/421:20:184
111391310,0ptp4l0-21swapper/423:50:134
111391310,0ptp4l0-21swapper/420:35:184
111391310,0ptp4l0-21swapper/122:33:431
111391300,0ptp4l0-21swapper/400:00:164
111391300,0ptp4l0-21swapper/323:26:283
111391300,0ptp4l0-21swapper/323:26:273
111391300,0ptp4l0-21swapper/123:36:071
111391300,0ptp4l0-21swapper/000:38:260
111391300,0ptp4l0-21swapper/000:00:170
111391290,0ptp4l0-21swapper/423:02:374
111391290,0ptp4l0-21swapper/422:50:194
111391290,0ptp4l0-21swapper/400:30:194
111391290,0ptp4l0-21swapper/123:00:131
111391290,0ptp4l0-21swapper/022:43:080
111391290,0ptp4l0-21swapper/022:29:170
111391290,0ptp4l0-21swapper/021:57:400
111391290,0ptp4l0-21swapper/021:36:100
111391280,0ptp4l0-21swapper/423:19:314
111391280,0ptp4l0-21swapper/422:32:344
111391280,0ptp4l0-21swapper/422:27:184
111391280,0ptp4l0-21swapper/422:00:144
111391280,0ptp4l0-21swapper/400:39:134
111391280,0ptp4l0-21swapper/400:16:524
111391280,0ptp4l0-21swapper/123:25:001
111391280,0ptp4l0-21swapper/100:23:041
111391280,0ptp4l0-21swapper/023:47:460
111391280,0ptp4l0-21swapper/023:40:220
111391280,0ptp4l0-21swapper/023:20:050
111391280,0ptp4l0-21swapper/022:47:450
111391280,0ptp4l0-21swapper/022:34:110
111391280,0ptp4l0-21swapper/019:10:100
111391280,0ptp4l0-21swapper/000:25:200
111391270,1ptp4l0-21swapper/020:15:160
111391270,0ptp4l0-21swapper/722:06:027
111391270,0ptp4l0-21swapper/623:51:106
111391270,0ptp4l0-21swapper/623:13:106
111391270,0ptp4l0-21swapper/519:14:545
111391270,0ptp4l0-21swapper/423:32:214
111391270,0ptp4l0-21swapper/423:20:084
111391270,0ptp4l0-21swapper/423:12:404
111391270,0ptp4l0-21swapper/422:36:304
111391270,0ptp4l0-21swapper/422:20:564
111391270,0ptp4l0-21swapper/422:18:504
111391270,0ptp4l0-21swapper/422:05:104
111391270,0ptp4l0-21swapper/421:38:204
111391270,0ptp4l0-21swapper/121:52:551
111391270,0ptp4l0-21swapper/121:47:361
111391270,0ptp4l0-21swapper/023:26:030
111391270,0ptp4l0-21swapper/023:26:020
111391270,0ptp4l0-21swapper/023:12:420
111391270,0ptp4l0-21swapper/022:35:520
111391270,0ptp4l0-21swapper/021:41:120
111391270,0ptp4l0-21swapper/021:18:080
111391260,0ptp4l0-21swapper/723:27:087
111391260,0ptp4l0-21swapper/723:27:077
111391260,0ptp4l0-21swapper/422:45:044
111391260,0ptp4l0-21swapper/422:44:514
111391260,0ptp4l0-21swapper/421:46:144
111391260,0ptp4l0-21swapper/421:40:044
111391260,0ptp4l0-21swapper/421:11:544
111391260,0ptp4l0-21swapper/400:27:154
111391260,0ptp4l0-21swapper/400:20:584
111391260,0ptp4l0-21swapper/122:41:301
111391260,0ptp4l0-21swapper/119:45:001
111391260,0ptp4l0-21swapper/119:15:201
111391260,0ptp4l0-21swapper/021:51:220
111391260,0ptp4l0-21swapper/021:49:040
111391260,0ptp4l0-21swapper/020:00:220
111391260,0ptp4l0-21swapper/019:45:130
111391260,0ptp4l0-21swapper/000:09:130
111391250,0ptp4l0-21swapper/523:48:165
111391250,0ptp4l0-21swapper/523:35:175
111391250,0ptp4l0-21swapper/523:08:445
111391250,0ptp4l0-21swapper/521:50:195
111391250,0ptp4l0-21swapper/521:31:055
111391250,0ptp4l0-21swapper/521:15:185
111391250,0ptp4l0-21swapper/520:25:165
111391250,0ptp4l0-21swapper/421:35:014
111391250,0ptp4l0-21swapper/421:27:594
111391250,0ptp4l0-21swapper/421:17:524
111391250,0ptp4l0-21swapper/419:40:104
111391250,0ptp4l0-21swapper/400:14:304
111391250,0ptp4l0-21swapper/123:25:111
111391250,0ptp4l0-21swapper/123:25:101
111391250,0ptp4l0-21swapper/122:13:191
111391250,0ptp4l0-21swapper/121:55:111
111391250,0ptp4l0-21swapper/121:30:191
111391250,0ptp4l0-21swapper/121:25:131
111391250,0ptp4l0-21swapper/023:52:490
111391250,0ptp4l0-21swapper/022:50:560
111391250,0ptp4l0-21swapper/021:25:150
111391250,0ptp4l0-21swapper/000:32:520
111391240,1ptp4l9732-21unixbench_singl20:20:215
111391240,1ptp4l7904-21/usr/sbin/munin19:10:094
111391240,1ptp4l2260-21latency_hist21:15:005
111391240,1ptp4l22115-21sed19:40:000
111391240,1ptp4l0-21swapper/422:10:494
111391240,0ptp4l0-21swapper/523:32:575
111391240,0ptp4l0-21swapper/523:25:035
111391240,0ptp4l0-21swapper/523:25:035
111391240,0ptp4l0-21swapper/522:40:155
111391240,0ptp4l0-21swapper/522:12:305
111391240,0ptp4l0-21swapper/519:15:165
111391240,0ptp4l0-21swapper/500:39:385
111391240,0ptp4l0-21swapper/500:07:325
111391240,0ptp4l0-21swapper/423:55:124
111391240,0ptp4l0-21swapper/423:45:134
111391240,0ptp4l0-21swapper/420:30:214
111391240,0ptp4l0-21swapper/420:05:154
111391240,0ptp4l0-21swapper/420:00:144
111391240,0ptp4l0-21swapper/419:35:144
111391240,0ptp4l0-21swapper/419:30:114
111391240,0ptp4l0-21swapper/121:11:041
111391240,0ptp4l0-21swapper/120:25:201
111391240,0ptp4l0-21swapper/023:34:110
111391240,0ptp4l0-21swapper/023:08:280
111391240,0ptp4l0-21swapper/022:00:140
111391240,0ptp4l0-21swapper/021:13:180
111391240,0ptp4l0-21swapper/020:55:210
111391240,0ptp4l0-21swapper/020:45:150
111391240,0ptp4l0-21swapper/020:45:150
111391240,0ptp4l0-21swapper/019:55:150
111391240,0ptp4l0-21swapper/019:40:140
111391240,0ptp4l0-21swapper/000:14:290
111391230,0ptp4l17705-21awk20:40:101
111391230,0ptp4l0-21swapper/600:05:156
111391230,0ptp4l0-21swapper/523:57:455
111391230,0ptp4l0-21swapper/523:40:145
111391230,0ptp4l0-21swapper/523:14:455
111391230,0ptp4l0-21swapper/523:00:155
111391230,0ptp4l0-21swapper/522:57:125
111391230,0ptp4l0-21swapper/522:50:305
111391230,0ptp4l0-21swapper/522:48:585
111391230,0ptp4l0-21swapper/522:16:345
111391230,0ptp4l0-21swapper/521:25:135
111391230,0ptp4l0-21swapper/520:55:125
111391230,0ptp4l0-21swapper/520:40:185
111391230,0ptp4l0-21swapper/520:15:125
111391230,0ptp4l0-21swapper/500:23:335
111391230,0ptp4l0-21swapper/500:10:205
111391230,0ptp4l0-21swapper/423:41:164
111391230,0ptp4l0-21swapper/423:05:154
111391230,0ptp4l0-21swapper/421:55:154
111391230,0ptp4l0-21swapper/421:50:124
111391230,0ptp4l0-21swapper/421:00:124
111391230,0ptp4l0-21swapper/420:15:204
111391230,0ptp4l0-21swapper/419:55:124
111391230,0ptp4l0-21swapper/419:50:124
111391230,0ptp4l0-21swapper/419:45:144
111391230,0ptp4l0-21swapper/419:25:144
111391230,0ptp4l0-21swapper/419:20:114
111391230,0ptp4l0-21swapper/419:16:104
111391230,0ptp4l0-21swapper/123:11:271
111391230,0ptp4l0-21swapper/122:57:081
111391230,0ptp4l0-21swapper/122:48:381
111391230,0ptp4l0-21swapper/122:20:211
111391230,0ptp4l0-21swapper/121:15:161
111391230,0ptp4l0-21swapper/121:05:201
111391230,0ptp4l0-21swapper/120:20:191
111391230,0ptp4l0-21swapper/120:10:161
111391230,0ptp4l0-21swapper/120:05:111
111391230,0ptp4l0-21swapper/119:25:201
111391230,0ptp4l0-21swapper/119:20:191
111391230,0ptp4l0-21swapper/100:35:221
111391230,0ptp4l0-21swapper/100:10:171
111391230,0ptp4l0-21swapper/023:55:200
111391230,0ptp4l0-21swapper/023:37:110
111391230,0ptp4l0-21swapper/022:57:260
111391230,0ptp4l0-21swapper/022:20:020
111391230,0ptp4l0-21swapper/022:15:130
111391230,0ptp4l0-21swapper/022:10:310
111391230,0ptp4l0-21swapper/022:05:110
111391230,0ptp4l0-21swapper/021:20:140
111391230,0ptp4l0-21swapper/021:00:130
111391230,0ptp4l0-21swapper/020:30:140
111391230,0ptp4l0-21swapper/020:05:150
111391230,0ptp4l0-21swapper/019:50:120
111391230,0ptp4l0-21swapper/019:30:110
111391230,0ptp4l0-21swapper/019:25:130
111391230,0ptp4l0-21swapper/019:15:120
111391230,0ptp4l0-21swapper/000:20:140
111391230,0ptp4l0-21swapper/000:15:130
111391220,0ptp4l0-21swapper/721:26:587
111391220,0ptp4l0-21swapper/623:45:156
111391220,0ptp4l0-21swapper/600:21:066
111391220,0ptp4l0-21swapper/523:17:225
111391220,0ptp4l0-21swapper/522:33:185
111391220,0ptp4l0-21swapper/522:20:215
111391220,0ptp4l0-21swapper/522:03:465
111391220,0ptp4l0-21swapper/521:57:025
111391220,0ptp4l0-21swapper/521:47:475
111391220,0ptp4l0-21swapper/521:20:465
111391220,0ptp4l0-21swapper/521:09:515
111391220,0ptp4l0-21swapper/520:10:195
111391220,0ptp4l0-21swapper/519:44:405
111391220,0ptp4l0-21swapper/500:25:395
111391220,0ptp4l0-21swapper/500:02:545
111391220,0ptp4l0-21swapper/423:29:434
111391220,0ptp4l0-21swapper/423:29:424
111391220,0ptp4l0-21swapper/422:55:104
111391220,0ptp4l0-21swapper/421:05:154
111391220,0ptp4l0-21swapper/400:05:204
111391220,0ptp4l0-21swapper/322:06:413
111391220,0ptp4l0-21swapper/222:52:552
111391220,0ptp4l0-21swapper/200:05:152
111391220,0ptp4l0-21swapper/123:58:351
111391220,0ptp4l0-21swapper/123:40:031
111391220,0ptp4l0-21swapper/123:06:241
111391220,0ptp4l0-21swapper/122:50:321
111391220,0ptp4l0-21swapper/122:01:471
111391220,0ptp4l0-21swapper/121:36:581
111391220,0ptp4l0-21swapper/121:22:441
111391220,0ptp4l0-21swapper/120:55:141
111391220,0ptp4l0-21swapper/120:50:181
111391220,0ptp4l0-21swapper/120:50:171
111391220,0ptp4l0-21swapper/120:45:181
111391220,0ptp4l0-21swapper/120:45:171
111391220,0ptp4l0-21swapper/120:15:001
111391220,0ptp4l0-21swapper/100:34:181
111391220,0ptp4l0-21swapper/100:16:221
111391220,0ptp4l0-21swapper/100:07:441
111391220,0ptp4l0-21swapper/023:15:130
111391220,0ptp4l0-21swapper/021:31:150
111391210,6ptp4l0-21swapper/420:45:044
111391210,6ptp4l0-21swapper/420:45:034
111391210,1ptp4l12453-21crond20:30:000
111391210,0ptp4l0-21swapper/721:39:487
111391210,0ptp4l0-21swapper/623:07:296
111391210,0ptp4l0-21swapper/621:23:226
111391210,0ptp4l0-21swapper/600:16:006
111391210,0ptp4l0-21swapper/522:25:415
111391210,0ptp4l0-21swapper/521:43:145
111391210,0ptp4l0-21swapper/521:37:215
111391210,0ptp4l0-21swapper/519:25:195
111391210,0ptp4l0-21swapper/500:18:105
111391210,0ptp4l0-21swapper/423:36:354
111391210,0ptp4l0-21swapper/420:53:394
111391210,0ptp4l0-21swapper/420:53:394
111391210,0ptp4l0-21swapper/223:45:132
111391210,0ptp4l0-21swapper/222:42:412
111391210,0ptp4l0-21swapper/221:50:022
111391210,0ptp4l0-21swapper/219:27:472
111391210,0ptp4l0-21swapper/200:21:032
111391210,0ptp4l0-21swapper/123:31:481
111391210,0ptp4l0-21swapper/122:25:381
111391210,0ptp4l0-21swapper/122:09:101
111391210,0ptp4l0-21swapper/100:26:541
111391210,0ptp4l0-21swapper/100:02:521
111391210,0ptp4l0-21swapper/021:08:000
111391210,0ptp4l0-21swapper/020:52:240
111391210,0ptp4l0-21swapper/020:52:240
111391210,0ptp4l0-21swapper/020:35:180
111391200,0ptp4l0-21swapper/622:52:566
111391200,0ptp4l0-21swapper/622:26:506
111391200,0ptp4l0-21swapper/622:10:596
111391200,0ptp4l0-21swapper/620:18:006
111391200,0ptp4l0-21swapper/619:42:236
111391200,0ptp4l0-21swapper/523:22:105
111391200,0ptp4l0-21swapper/522:37:095
111391200,0ptp4l0-21swapper/420:41:564
111391200,0ptp4l0-21swapper/420:27:014
111391200,0ptp4l0-21swapper/420:13:434
111391200,0ptp4l0-21swapper/321:26:573
111391200,0ptp4l0-21swapper/223:18:192
111391200,0ptp4l0-21swapper/222:26:542
111391200,0ptp4l0-21swapper/220:37:102
111391200,0ptp4l0-21swapper/219:10:252
111391200,0ptp4l0-21swapper/200:31:272
111391200,0ptp4l0-21swapper/123:48:031
111391200,0ptp4l0-21swapper/123:17:031
111391200,0ptp4l0-21swapper/122:37:321
111391200,0ptp4l0-21swapper/121:40:381
111391200,0ptp4l0-21swapper/119:11:261
111391200,0ptp4l0-21swapper/020:42:270
111391200,0ptp4l0-21swapper/020:21:490
111391200,0ptp4l0-21swapper/020:13:550
111391200,0ptp4l0-21swapper/019:20:120
111391190,2ptp4l0-21swapper/420:55:534
111391190,0ptp4l0-21swapper/720:59:167
111391190,0ptp4l0-21swapper/622:20:416
111391190,0ptp4l0-21swapper/621:58:216
111391190,0ptp4l0-21swapper/620:28:256
111391190,0ptp4l0-21swapper/522:09:005
111391190,0ptp4l0-21swapper/521:04:255
111391190,0ptp4l0-21swapper/520:51:215
111391190,0ptp4l0-21swapper/520:51:215
111391190,0ptp4l0-21swapper/520:49:005
111391190,0ptp4l0-21swapper/520:49:005
111391190,0ptp4l0-21swapper/520:32:255
111391190,0ptp4l0-21swapper/520:05:105
111391190,0ptp4l0-21swapper/520:04:565
111391190,0ptp4l0-21swapper/519:20:225
111391190,0ptp4l0-21swapper/500:31:095
111391190,0ptp4l0-21swapper/420:20:394
111391190,0ptp4l0-21swapper/221:58:192
111391190,0ptp4l0-21swapper/220:23:012
111391190,0ptp4l0-21swapper/121:01:141
111391190,0ptp4l0-21swapper/119:37:091
111391180,0ptp4l0-21swapper/723:16:567
111391180,0ptp4l0-21swapper/621:36:536
111391180,0ptp4l0-21swapper/523:50:385
111391180,0ptp4l0-21swapper/520:38:155
111391180,0ptp4l0-21swapper/222:20:342
111391170,2ptp4l321ktimersoftd/223:51:082
111391170,2ptp4l321ktimersoftd/219:42:192
111391170,0ptp4l33-21ksoftirqd/221:36:522
111391170,0ptp4l0-21swapper/622:15:246
111391170,0ptp4l0-21swapper/519:38:245
111391170,0ptp4l0-21swapper/223:13:102
111391170,0ptp4l0-21swapper/222:46:042
111391170,0ptp4l0-21swapper/221:41:062
111391170,0ptp4l0-21swapper/123:50:341
111391170,0ptp4l0-21swapper/122:16:321
772599161,0cyclictest0-21swapper/519:56:195
772599160,5cyclictest0-21swapper/519:30:375
111391160,0ptp4l0-21swapper/621:50:056
111391160,0ptp4l0-21swapper/621:42:496
111391160,0ptp4l0-21swapper/222:15:232
111391160,0ptp4l0-21swapper/221:23:172
111391160,0ptp4l0-21swapper/220:52:592
111391160,0ptp4l0-21swapper/220:52:592
111391160,0ptp4l0-21swapper/120:35:251
111391160,0ptp4l0-21swapper/119:47:491
111391160,0ptp4l0-21swapper/119:32:001
7740991510,1cyclictest17292-21munin-run19:30:007
111391150,0ptp4l0-21swapper/721:32:327
111391150,0ptp4l0-21swapper/622:42:396
111391150,0ptp4l0-21swapper/621:04:446
111391150,0ptp4l0-21swapper/620:53:016
111391150,0ptp4l0-21swapper/620:53:006
111391150,0ptp4l0-21swapper/620:41:456
111391150,0ptp4l0-21swapper/620:37:126
111391150,0ptp4l0-21swapper/620:21:396
111391150,0ptp4l0-21swapper/620:11:186
111391150,0ptp4l0-21swapper/620:09:126
111391150,0ptp4l0-21swapper/619:56:426
111391150,0ptp4l0-21swapper/619:54:406
111391150,0ptp4l0-21swapper/619:27:476
111391150,0ptp4l0-21swapper/619:15:356
111391150,0ptp4l0-21swapper/619:10:266
111391150,0ptp4l0-21swapper/519:50:275
111391150,0ptp4l0-21swapper/323:16:553
111391150,0ptp4l0-21swapper/223:07:182
111391150,0ptp4l0-21swapper/220:28:022
111391150,0ptp4l0-21swapper/220:17:072
111391150,0ptp4l0-21swapper/220:11:212
111391150,0ptp4l0-21swapper/220:09:132
111391150,0ptp4l0-21swapper/200:16:002
111391150,0ptp4l0-21swapper/120:30:311
111391150,0ptp4l0-21swapper/120:00:351
111391150,0ptp4l0-21swapper/119:56:051
111391150,0ptp4l0-21swapper/119:50:231
111391140,0ptp4l0-21swapper/723:51:237
111391140,0ptp4l0-21swapper/619:38:376
111391140,0ptp4l0-21swapper/519:47:505
111391140,0ptp4l0-21swapper/320:59:073
111391140,0ptp4l0-21swapper/222:11:002
111391140,0ptp4l0-21swapper/221:49:582
111391140,0ptp4l0-21swapper/221:04:402
111391140,0ptp4l0-21swapper/219:56:402
111391140,0ptp4l0-21swapper/219:54:382
111391140,0ptp4l0-21swapper/219:38:362
111391140,0ptp4l0-21swapper/219:23:162
111391140,0ptp4l0-21swapper/219:15:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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