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2026-05-19 - 11:36

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 May 19, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391640,2ptp4l0-21swapper/019:05:140
111391620,30ptp4l0-21swapper/119:05:211
111391620,28ptp4l0-21swapper/219:06:592
111391620,14ptp4l0-21swapper/419:05:144
38572580,0sleep00-21swapper/022:45:160
537425746,6sleep70-21swapper/719:07:457
166392560,0sleep40-21swapper/423:45:524
553724938,6sleep60-21swapper/619:09:536
531724837,7sleep30-21swapper/319:07:013
537224636,6sleep50-21swapper/519:07:435
111391350,0ptp4l0-21swapper/619:35:276
111391350,0ptp4l0-21swapper/422:20:004
111391330,0ptp4l0-21swapper/422:48:014
111391330,0ptp4l0-21swapper/421:20:004
111391330,0ptp4l0-21swapper/400:18:464
111391300,0ptp4l0-21swapper/423:50:104
111391300,0ptp4l0-21swapper/423:16:144
111391300,0ptp4l0-21swapper/421:30:034
111391300,0ptp4l0-21swapper/419:15:184
111391300,0ptp4l0-21swapper/400:25:554
111391300,0ptp4l0-21swapper/400:07:454
111391300,0ptp4l0-21swapper/021:24:380
111391290,0ptp4l21310-21ssh00:36:260
111391290,0ptp4l0-21swapper/623:18:426
111391290,0ptp4l0-21swapper/622:42:046
111391290,0ptp4l0-21swapper/422:25:564
111391290,0ptp4l0-21swapper/421:46:424
111391290,0ptp4l0-21swapper/400:03:504
111391290,0ptp4l0-21swapper/000:10:580
111391290,0ptp4l0-21swapper/000:03:370
111391280,0ptp4l16477-21ssh23:02:274
111391280,0ptp4l0-21swapper/623:29:276
111391280,0ptp4l0-21swapper/623:29:276
111391280,0ptp4l0-21swapper/621:16:456
111391280,0ptp4l0-21swapper/600:17:206
111391280,0ptp4l0-21swapper/521:29:035
111391280,0ptp4l0-21swapper/423:43:574
111391280,0ptp4l0-21swapper/423:13:374
111391280,0ptp4l0-21swapper/222:09:302
111391280,0ptp4l0-21swapper/023:59:490
111391280,0ptp4l0-21swapper/022:56:020
111391280,0ptp4l0-21swapper/022:29:480
111391280,0ptp4l0-21swapper/000:18:050
111391270,4ptp4l471rcuc/421:59:374
111391270,0ptp4l0-21swapper/621:33:566
111391270,0ptp4l0-21swapper/600:25:476
111391270,0ptp4l0-21swapper/423:06:024
111391270,0ptp4l0-21swapper/422:57:174
111391270,0ptp4l0-21swapper/422:39:394
111391270,0ptp4l0-21swapper/421:29:554
111391270,0ptp4l0-21swapper/421:11:444
111391270,0ptp4l0-21swapper/400:36:474
111391270,0ptp4l0-21swapper/400:10:144
111391270,0ptp4l0-21swapper/222:19:132
111391270,0ptp4l0-21swapper/122:46:011
111391270,0ptp4l0-21swapper/023:36:360
111391270,0ptp4l0-21swapper/023:03:280
111391270,0ptp4l0-21swapper/022:42:530
111391270,0ptp4l0-21swapper/000:27:000
111391270,0ptp4l0-21swapper/000:24:000
111391260,0ptp4l0-21swapper/622:26:266
111391260,0ptp4l0-21swapper/622:03:486
111391260,0ptp4l0-21swapper/422:11:394
111391260,0ptp4l0-21swapper/421:43:084
111391260,0ptp4l0-21swapper/421:23:544
111391260,0ptp4l0-21swapper/222:55:192
111391260,0ptp4l0-21swapper/221:35:112
111391260,0ptp4l0-21swapper/200:20:162
111391260,0ptp4l0-21swapper/023:15:370
111391260,0ptp4l0-21swapper/022:18:100
111391250,1ptp4l25234-21diskstats19:50:124
111391250,1ptp4l20410-21diskstats20:50:130
111391250,1ptp4l20410-21diskstats20:50:120
111391250,1ptp4l14279-21memory19:25:154
111391250,0ptp4l10625-21ssh23:39:343
111391250,0ptp4l0-21swapper/622:55:056
111391250,0ptp4l0-21swapper/622:35:206
111391250,0ptp4l0-21swapper/423:57:204
111391250,0ptp4l0-21swapper/423:35:194
111391250,0ptp4l0-21swapper/423:30:584
111391250,0ptp4l0-21swapper/422:02:104
111391250,0ptp4l0-21swapper/322:52:383
111391250,0ptp4l0-21swapper/223:09:072
111391250,0ptp4l0-21swapper/222:42:032
111391250,0ptp4l0-21swapper/221:58:562
111391250,0ptp4l0-21swapper/221:28:242
111391250,0ptp4l0-21swapper/221:16:432
111391250,0ptp4l0-21swapper/200:07:132
111391250,0ptp4l0-21swapper/023:54:000
111391250,0ptp4l0-21swapper/023:27:570
111391250,0ptp4l0-21swapper/023:27:560
111391250,0ptp4l0-21swapper/022:51:230
111391250,0ptp4l0-21swapper/022:37:260
111391250,0ptp4l0-21swapper/022:34:340
111391250,0ptp4l0-21swapper/022:10:120
111391250,0ptp4l0-21swapper/022:02:510
111391250,0ptp4l0-21swapper/021:36:160
111391250,0ptp4l0-21swapper/021:11:350
111391250,0ptp4l0-21swapper/021:05:140
111391240,2ptp4l121rcu_preempt23:13:181
111391240,1ptp4l584799cyclictest00:20:584
111391240,1ptp4l20375-21wc21:40:146
111391240,1ptp4l16065-21df_inode19:30:124
111391240,1ptp4l11992-21memory19:20:154
111391240,0ptp4l0-21swapper/621:38:596
111391240,0ptp4l0-21swapper/423:25:114
111391240,0ptp4l0-21swapper/423:25:114
111391240,0ptp4l0-21swapper/422:50:124
111391240,0ptp4l0-21swapper/422:40:114
111391240,0ptp4l0-21swapper/421:50:134
111391240,0ptp4l0-21swapper/420:35:174
111391240,0ptp4l0-21swapper/420:05:194
111391240,0ptp4l0-21swapper/419:13:094
111391240,0ptp4l0-21swapper/400:31:404
111391240,0ptp4l0-21swapper/222:35:172
111391240,0ptp4l0-21swapper/221:40:122
111391240,0ptp4l0-21swapper/221:13:022
111391240,0ptp4l0-21swapper/200:25:192
111391240,0ptp4l0-21swapper/123:20:101
111391240,0ptp4l0-21swapper/123:18:351
111391240,0ptp4l0-21swapper/023:48:570
111391240,0ptp4l0-21swapper/022:22:460
111391240,0ptp4l0-21swapper/021:45:200
111391240,0ptp4l0-21swapper/021:41:190
111391240,0ptp4l0-21swapper/021:30:580
111391240,0ptp4l0-21swapper/021:25:360
111391240,0ptp4l0-21swapper/021:17:410
111391240,0ptp4l0-21swapper/020:45:150
111391240,0ptp4l0-21swapper/020:45:150
111391240,0ptp4l0-21swapper/020:10:000
111391240,0ptp4l0-21swapper/019:55:210
111391240,0ptp4l0-21swapper/019:50:160
111391240,0ptp4l0-21swapper/019:45:000
111391240,0ptp4l0-21swapper/000:31:550
111391230,2ptp4l0-21swapper/223:51:232
111391230,1ptp4l11487-21diskstats23:40:113
111391230,0ptp4l0-21swapper/723:40:017
111391230,0ptp4l0-21swapper/723:39:157
111391230,0ptp4l0-21swapper/722:52:267
111391230,0ptp4l0-21swapper/721:35:177
111391230,0ptp4l0-21swapper/623:51:236
111391230,0ptp4l0-21swapper/623:47:586
111391230,0ptp4l0-21swapper/623:07:296
111391230,0ptp4l0-21swapper/622:06:476
111391230,0ptp4l0-21swapper/621:11:166
111391230,0ptp4l0-21swapper/600:20:216
111391230,0ptp4l0-21swapper/423:20:144
111391230,0ptp4l0-21swapper/422:30:194
111391230,0ptp4l0-21swapper/422:20:124
111391230,0ptp4l0-21swapper/422:05:134
111391230,0ptp4l0-21swapper/421:36:294
111391230,0ptp4l0-21swapper/420:55:124
111391230,0ptp4l0-21swapper/420:45:184
111391230,0ptp4l0-21swapper/420:45:184
111391230,0ptp4l0-21swapper/420:20:174
111391230,0ptp4l0-21swapper/420:15:114
111391230,0ptp4l0-21swapper/419:45:214
111391230,0ptp4l0-21swapper/419:40:214
111391230,0ptp4l0-21swapper/323:12:293
111391230,0ptp4l0-21swapper/321:35:193
111391230,0ptp4l0-21swapper/223:17:572
111391230,0ptp4l0-21swapper/222:29:572
111391230,0ptp4l0-21swapper/222:01:002
111391230,0ptp4l0-21swapper/200:00:102
111391230,0ptp4l0-21swapper/122:10:021
111391230,0ptp4l0-21swapper/023:42:540
111391230,0ptp4l0-21swapper/023:33:280
111391230,0ptp4l0-21swapper/023:21:130
111391230,0ptp4l0-21swapper/023:11:560
111391230,0ptp4l0-21swapper/023:05:150
111391230,0ptp4l0-21swapper/022:05:160
111391230,0ptp4l0-21swapper/021:55:170
111391230,0ptp4l0-21swapper/021:00:150
111391230,0ptp4l0-21swapper/020:25:210
111391230,0ptp4l0-21swapper/020:00:120
111391230,0ptp4l0-21swapper/019:40:160
111391230,0ptp4l0-21swapper/019:30:130
111391230,0ptp4l0-21swapper/019:15:140
111391230,0ptp4l0-21swapper/019:10:150
111391230,0ptp4l0-21swapper/000:05:170
111391220,0ptp4l0-21swapper/723:12:357
111391220,0ptp4l0-21swapper/721:32:157
111391220,0ptp4l0-21swapper/623:43:226
111391220,0ptp4l0-21swapper/622:24:126
111391220,0ptp4l0-21swapper/622:13:566
111391220,0ptp4l0-21swapper/621:53:516
111391220,0ptp4l0-21swapper/621:47:316
111391220,0ptp4l0-21swapper/621:28:506
111391220,0ptp4l0-21swapper/621:20:426
111391220,0ptp4l0-21swapper/619:22:046
111391220,0ptp4l0-21swapper/619:12:206
111391220,0ptp4l0-21swapper/600:36:226
111391220,0ptp4l0-21swapper/600:07:216
111391220,0ptp4l0-21swapper/523:22:505
111391220,0ptp4l0-21swapper/522:54:115
111391220,0ptp4l0-21swapper/522:45:025
111391220,0ptp4l0-21swapper/522:33:055
111391220,0ptp4l0-21swapper/521:50:575
111391220,0ptp4l0-21swapper/521:47:405
111391220,0ptp4l0-21swapper/521:41:595
111391220,0ptp4l0-21swapper/521:31:425
111391220,0ptp4l0-21swapper/521:10:595
111391220,0ptp4l0-21swapper/500:16:275
111391220,0ptp4l0-21swapper/421:00:144
111391220,0ptp4l0-21swapper/420:40:134
111391220,0ptp4l0-21swapper/420:25:184
111391220,0ptp4l0-21swapper/419:55:164
111391220,0ptp4l0-21swapper/321:32:303
111391220,0ptp4l0-21swapper/321:16:123
111391220,0ptp4l0-21swapper/223:34:172
111391220,0ptp4l0-21swapper/223:26:052
111391220,0ptp4l0-21swapper/223:26:042
111391220,0ptp4l0-21swapper/223:20:022
111391220,0ptp4l0-21swapper/223:11:002
111391220,0ptp4l0-21swapper/222:31:312
111391220,0ptp4l0-21swapper/222:24:082
111391220,0ptp4l0-21swapper/222:11:312
111391220,0ptp4l0-21swapper/221:53:552
111391220,0ptp4l0-21swapper/221:47:192
111391220,0ptp4l0-21swapper/221:33:482
111391220,0ptp4l0-21swapper/221:20:322
111391220,0ptp4l0-21swapper/219:35:192
111391220,0ptp4l0-21swapper/200:19:532
111391220,0ptp4l0-21swapper/123:57:341
111391220,0ptp4l0-21swapper/123:25:351
111391220,0ptp4l0-21swapper/123:25:351
111391220,0ptp4l0-21swapper/122:44:561
111391220,0ptp4l0-21swapper/122:31:371
111391220,0ptp4l0-21swapper/122:27:011
111391220,0ptp4l0-21swapper/122:01:111
111391220,0ptp4l0-21swapper/121:50:561
111391220,0ptp4l0-21swapper/121:49:041
111391220,0ptp4l0-21swapper/121:40:341
111391220,0ptp4l0-21swapper/121:35:531
111391220,0ptp4l0-21swapper/121:31:281
111391220,0ptp4l0-21swapper/121:29:431
111391220,0ptp4l0-21swapper/121:20:481
111391220,0ptp4l0-21swapper/121:12:551
111391220,0ptp4l0-21swapper/100:33:451
111391220,0ptp4l0-21swapper/100:17:391
111391220,0ptp4l0-21swapper/021:50:020
111391220,0ptp4l0-21swapper/020:55:000
111391220,0ptp4l0-21swapper/020:40:110
111391220,0ptp4l0-21swapper/020:35:160
111391220,0ptp4l0-21swapper/020:20:110
111391220,0ptp4l0-21swapper/020:10:120
111391210,0ptp4l0-21swapper/721:16:077
111391210,0ptp4l0-21swapper/623:34:186
111391210,0ptp4l0-21swapper/623:20:026
111391210,0ptp4l0-21swapper/622:34:206
111391210,0ptp4l0-21swapper/621:58:546
111391210,0ptp4l0-21swapper/600:31:246
111391210,0ptp4l0-21swapper/523:17:515
111391210,0ptp4l0-21swapper/522:26:355
111391210,0ptp4l0-21swapper/522:24:225
111391210,0ptp4l0-21swapper/520:55:055
111391210,0ptp4l0-21swapper/500:35:525
111391210,0ptp4l0-21swapper/500:29:165
111391210,0ptp4l0-21swapper/500:13:575
111391210,0ptp4l0-21swapper/500:07:125
111391210,0ptp4l0-21swapper/500:02:305
111391210,0ptp4l0-21swapper/421:05:154
111391210,0ptp4l0-21swapper/420:50:174
111391210,0ptp4l0-21swapper/420:50:174
111391210,0ptp4l0-21swapper/420:30:094
111391210,0ptp4l0-21swapper/420:02:564
111391210,0ptp4l0-21swapper/322:43:083
111391210,0ptp4l0-21swapper/223:43:232
111391210,0ptp4l0-21swapper/222:51:122
111391210,0ptp4l0-21swapper/222:45:592
111391210,0ptp4l0-21swapper/200:35:372
111391210,0ptp4l0-21swapper/200:34:092
111391210,0ptp4l0-21swapper/200:11:162
111391210,0ptp4l0-21swapper/123:53:261
111391210,0ptp4l0-21swapper/123:47:231
111391210,0ptp4l0-21swapper/123:36:291
111391210,0ptp4l0-21swapper/122:56:341
111391210,0ptp4l0-21swapper/122:36:581
111391210,0ptp4l0-21swapper/119:46:071
111391210,0ptp4l0-21swapper/119:35:241
111391210,0ptp4l0-21swapper/100:25:501
111391210,0ptp4l0-21swapper/100:23:541
111391210,0ptp4l0-21swapper/100:13:541
111391210,0ptp4l0-21swapper/020:30:190
111391210,0ptp4l0-21swapper/019:23:080
111391200,0ptp4l0-21swapper/722:43:047
111391200,0ptp4l0-21swapper/622:19:096
111391200,0ptp4l0-21swapper/620:20:546
111391200,0ptp4l0-21swapper/619:34:236
111391200,0ptp4l0-21swapper/600:00:096
111391200,0ptp4l0-21swapper/523:35:585
111391200,0ptp4l0-21swapper/523:27:285
111391200,0ptp4l0-21swapper/523:27:275
111391200,0ptp4l0-21swapper/523:10:405
111391200,0ptp4l0-21swapper/522:43:195
111391200,0ptp4l0-21swapper/521:39:215
111391200,0ptp4l0-21swapper/520:52:125
111391200,0ptp4l0-21swapper/520:52:125
111391200,0ptp4l0-21swapper/520:08:005
111391200,0ptp4l0-21swapper/519:10:145
111391200,0ptp4l0-21swapper/500:31:095
111391200,0ptp4l0-21swapper/500:20:285
111391200,0ptp4l0-21swapper/420:10:184
111391200,0ptp4l0-21swapper/419:35:004
111391200,0ptp4l0-21swapper/219:34:182
111391200,0ptp4l0-21swapper/123:43:291
111391200,0ptp4l0-21swapper/123:34:331
111391200,0ptp4l0-21swapper/123:07:341
111391200,0ptp4l0-21swapper/123:03:461
111391200,0ptp4l0-21swapper/122:15:571
111391200,0ptp4l0-21swapper/122:07:581
111391200,0ptp4l0-21swapper/121:56:261
111391200,0ptp4l0-21swapper/120:36:551
111391200,0ptp4l0-21swapper/119:40:081
111391200,0ptp4l0-21swapper/100:09:281
111391200,0ptp4l0-21swapper/020:15:110
111391200,0ptp4l0-21swapper/019:35:080
111391200,0ptp4l0-21swapper/019:25:170
111391190,0ptp4l0-21swapper/721:26:267
111391190,0ptp4l0-21swapper/622:51:116
111391190,0ptp4l0-21swapper/620:54:096
111391190,0ptp4l0-21swapper/620:54:096
111391190,0ptp4l0-21swapper/619:41:116
111391190,0ptp4l0-21swapper/600:11:206
111391190,0ptp4l0-21swapper/523:56:165
111391190,0ptp4l0-21swapper/522:57:455
111391190,0ptp4l0-21swapper/521:22:025
111391190,0ptp4l0-21swapper/321:26:283
111391190,0ptp4l0-21swapper/220:21:092
111391190,0ptp4l0-21swapper/122:21:041
111391190,0ptp4l0-21swapper/120:31:131
111391180,0ptp4l0-21swapper/620:49:476
111391180,0ptp4l0-21swapper/620:49:476
111391180,0ptp4l0-21swapper/523:08:595
111391180,0ptp4l0-21swapper/220:44:092
111391180,0ptp4l0-21swapper/220:31:002
111391180,0ptp4l0-21swapper/119:10:101
111391180,0ptp4l0-21swapper/100:01:111
111391170,2ptp4l0-21swapper/220:08:382
111391170,2ptp4l0-21swapper/120:11:271
111391170,0ptp4l0-21swapper/623:11:006
111391170,0ptp4l0-21swapper/619:51:376
111391170,0ptp4l0-21swapper/521:59:125
111391170,0ptp4l0-21swapper/519:35:235
111391170,0ptp4l0-21swapper/220:54:182
111391170,0ptp4l0-21swapper/220:54:182
111391170,0ptp4l0-21swapper/121:19:301
111391170,0ptp4l0-21swapper/100:36:241
111391160,1ptp4l25-21ksoftirqd/119:58:491
111391160,0ptp4l0-21swapper/622:48:356
111391160,0ptp4l0-21swapper/620:42:226
111391160,0ptp4l0-21swapper/620:06:096
111391160,0ptp4l0-21swapper/522:36:595
111391160,0ptp4l0-21swapper/519:40:095
111391160,0ptp4l0-21swapper/219:56:262
111391160,0ptp4l0-21swapper/121:00:591
111391160,0ptp4l0-21swapper/120:49:261
111391160,0ptp4l0-21swapper/120:49:261
111391160,0ptp4l0-21swapper/120:26:511
111391160,0ptp4l0-21swapper/120:05:421
111391160,0ptp4l0-21swapper/119:25:011
111391150,0ptp4l0-21swapper/720:12:307
111391150,0ptp4l0-21swapper/719:17:567
111391150,0ptp4l0-21swapper/621:05:266
111391150,0ptp4l0-21swapper/620:55:316
111391150,0ptp4l0-21swapper/620:30:516
111391150,0ptp4l0-21swapper/620:26:106
111391150,0ptp4l0-21swapper/620:16:286
111391150,0ptp4l0-21swapper/619:56:226
111391150,0ptp4l0-21swapper/619:48:396
111391150,0ptp4l0-21swapper/619:18:166
111391150,0ptp4l0-21swapper/523:51:345
111391150,0ptp4l0-21swapper/523:32:045
111391150,0ptp4l0-21swapper/522:13:215
111391150,0ptp4l0-21swapper/521:05:555
111391150,0ptp4l0-21swapper/520:47:565
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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