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2026-04-14 - 14:27

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 Apr 14, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391720,32ptp4l0-21swapper/019:05:140
111391650,30ptp4l0-21swapper/119:05:141
10942650,0sleep60-21swapper/623:37:316
111391640,3ptp4l0-21swapper/419:05:194
195442570,1sleep4471rcuc/400:04:064
163182560,0sleep40-21swapper/423:13:514
116625545,6sleep20-21swapper/219:09:102
98125440,9sleep60-21swapper/619:06:596
118925039,6sleep70-21swapper/719:09:317
108324836,7sleep50-21swapper/519:08:095
91224736,7sleep30-21swapper/319:06:083
111391400,0ptp4l0-21swapper/022:40:110
111391340,0ptp4l0-21swapper/020:40:120
111391330,2ptp4l0-21swapper/021:10:200
111391330,2ptp4l0-21swapper/021:10:190
111391330,0ptp4l0-21swapper/423:50:194
111391310,1ptp4l30565-21ssh21:15:514
111391310,0ptp4l0-21swapper/423:29:234
111391310,0ptp4l0-21swapper/123:14:091
111391310,0ptp4l0-21swapper/022:30:320
111391310,0ptp4l0-21swapper/022:27:210
111391310,0ptp4l0-21swapper/022:20:160
111391310,0ptp4l0-21swapper/019:34:590
111391300,0ptp4l0-21swapper/422:25:214
111391300,0ptp4l0-21swapper/422:24:524
111391300,0ptp4l0-21swapper/122:42:121
111391300,0ptp4l0-21swapper/023:45:100
111391300,0ptp4l0-21swapper/023:45:090
111391300,0ptp4l0-21swapper/000:10:200
111391290,1ptp4l19885-21munin-run00:05:010
111391290,1ptp4l16393-21ssh23:14:050
111391290,0ptp4l0-21swapper/700:18:247
111391290,0ptp4l0-21swapper/423:20:394
111391280,0ptp4l0-21swapper/422:43:544
111391280,0ptp4l0-21swapper/421:40:024
111391280,0ptp4l0-21swapper/400:24:144
111391280,0ptp4l0-21swapper/123:53:401
111391280,0ptp4l0-21swapper/023:27:550
111391280,0ptp4l0-21swapper/021:47:070
111391280,0ptp4l0-21swapper/021:37:380
111391270,2ptp4l0-21swapper/421:27:334
111391270,0ptp4l0-21swapper/621:13:356
111391270,0ptp4l0-21swapper/621:13:356
111391270,0ptp4l0-21swapper/322:36:453
111391270,0ptp4l0-21swapper/022:19:000
111391270,0ptp4l0-21swapper/022:05:310
111391270,0ptp4l0-21swapper/000:32:550
111391260,0ptp4l0-21swapper/423:32:374
111391260,0ptp4l0-21swapper/423:16:194
111391260,0ptp4l0-21swapper/423:08:584
111391260,0ptp4l0-21swapper/423:02:334
111391260,0ptp4l0-21swapper/422:58:474
111391260,0ptp4l0-21swapper/421:22:154
111391260,0ptp4l0-21swapper/400:38:224
111391260,0ptp4l0-21swapper/400:19:214
111391260,0ptp4l0-21swapper/100:33:441
111391260,0ptp4l0-21swapper/023:52:270
111391260,0ptp4l0-21swapper/023:32:210
111391260,0ptp4l0-21swapper/023:16:180
111391260,0ptp4l0-21swapper/022:56:040
111391260,0ptp4l0-21swapper/021:57:380
111391260,0ptp4l0-21swapper/020:30:200
111391250,2ptp4l481ktimersoftd/400:32:584
111391250,1ptp4l6960-21diskstats20:30:144
111391250,1ptp4l2033-21df_inode00:25:114
111391250,0ptp4l17580-21grep19:40:204
111391250,0ptp4l0-21swapper/722:36:317
111391250,0ptp4l0-21swapper/423:48:384
111391250,0ptp4l0-21swapper/423:48:384
111391250,0ptp4l0-21swapper/422:51:214
111391250,0ptp4l0-21swapper/422:35:114
111391250,0ptp4l0-21swapper/422:30:564
111391250,0ptp4l0-21swapper/422:08:444
111391250,0ptp4l0-21swapper/422:01:574
111391250,0ptp4l0-21swapper/421:49:264
111391250,0ptp4l0-21swapper/421:11:054
111391250,0ptp4l0-21swapper/421:11:044
111391250,0ptp4l0-21swapper/420:10:194
111391250,0ptp4l0-21swapper/419:25:104
111391250,0ptp4l0-21swapper/023:36:100
111391250,0ptp4l0-21swapper/023:05:540
111391250,0ptp4l0-21swapper/022:35:180
111391250,0ptp4l0-21swapper/022:10:160
111391250,0ptp4l0-21swapper/021:50:090
111391250,0ptp4l0-21swapper/021:18:450
111391250,0ptp4l0-21swapper/000:15:160
111391240,1ptp4l28465-21cpuspeed_turbos22:45:124
111391240,1ptp4l2622-21hddtemp_smartct23:40:134
111391240,1ptp4l24054-21sensors19:55:180
111391240,1ptp4l20699-21/usr/sbin/munin21:00:124
111391240,0ptp4l0-21swapper/623:17:506
111391240,0ptp4l0-21swapper/422:11:434
111391240,0ptp4l0-21swapper/419:50:194
111391240,0ptp4l0-21swapper/400:11:384
111391240,0ptp4l0-21swapper/400:05:134
111391240,0ptp4l0-21swapper/122:50:191
111391240,0ptp4l0-21swapper/122:07:451
111391240,0ptp4l0-21swapper/023:01:110
111391240,0ptp4l0-21swapper/021:30:210
111391240,0ptp4l0-21swapper/021:21:450
111391240,0ptp4l0-21swapper/020:55:210
111391240,0ptp4l0-21swapper/020:35:150
111391240,0ptp4l0-21swapper/019:45:180
111391240,0ptp4l0-21swapper/019:40:220
111391240,0ptp4l0-21swapper/019:15:220
111391240,0ptp4l0-21swapper/000:35:410
111391240,0ptp4l0-21swapper/000:20:130
111391230,1ptp4l3407-21ssh22:55:131
111391230,0ptp4l0-21swapper/721:14:567
111391230,0ptp4l0-21swapper/721:14:557
111391230,0ptp4l0-21swapper/522:45:155
111391230,0ptp4l0-21swapper/423:55:164
111391230,0ptp4l0-21swapper/423:35:174
111391230,0ptp4l0-21swapper/422:15:004
111391230,0ptp4l0-21swapper/421:55:134
111391230,0ptp4l0-21swapper/421:50:144
111391230,0ptp4l0-21swapper/421:35:104
111391230,0ptp4l0-21swapper/421:30:154
111391230,0ptp4l0-21swapper/420:55:134
111391230,0ptp4l0-21swapper/420:50:134
111391230,0ptp4l0-21swapper/420:40:124
111391230,0ptp4l0-21swapper/420:25:204
111391230,0ptp4l0-21swapper/420:20:134
111391230,0ptp4l0-21swapper/419:55:194
111391230,0ptp4l0-21swapper/419:35:134
111391230,0ptp4l0-21swapper/419:20:174
111391230,0ptp4l0-21swapper/419:10:014
111391230,0ptp4l0-21swapper/323:58:453
111391230,0ptp4l0-21swapper/322:03:193
111391230,0ptp4l0-21swapper/300:00:143
111391230,0ptp4l0-21swapper/123:40:201
111391230,0ptp4l0-21swapper/123:29:311
111391230,0ptp4l0-21swapper/122:45:141
111391230,0ptp4l0-21swapper/120:20:191
111391230,0ptp4l0-21swapper/100:35:171
111391230,0ptp4l0-21swapper/100:17:351
111391230,0ptp4l0-21swapper/100:14:351
111391230,0ptp4l0-21swapper/023:55:130
111391230,0ptp4l0-21swapper/023:44:010
111391230,0ptp4l0-21swapper/023:20:130
111391230,0ptp4l0-21swapper/022:52:280
111391230,0ptp4l0-21swapper/022:45:180
111391230,0ptp4l0-21swapper/022:00:130
111391230,0ptp4l0-21swapper/021:40:170
111391230,0ptp4l0-21swapper/021:05:140
111391230,0ptp4l0-21swapper/021:05:130
111391230,0ptp4l0-21swapper/021:00:200
111391230,0ptp4l0-21swapper/020:50:190
111391230,0ptp4l0-21swapper/020:25:190
111391230,0ptp4l0-21swapper/020:20:160
111391230,0ptp4l0-21swapper/020:10:400
111391230,0ptp4l0-21swapper/020:00:200
111391230,0ptp4l0-21swapper/019:20:100
111391230,0ptp4l0-21swapper/000:25:150
111391230,0ptp4l0-21swapper/000:05:120
111391220,0ptp4l1798-21ssh23:39:491
111391220,0ptp4l0-21swapper/723:58:337
111391220,0ptp4l0-21swapper/722:52:267
111391220,0ptp4l0-21swapper/700:00:087
111391220,0ptp4l0-21swapper/623:44:486
111391220,0ptp4l0-21swapper/523:44:375
111391220,0ptp4l0-21swapper/523:20:475
111391220,0ptp4l0-21swapper/523:18:295
111391220,0ptp4l0-21swapper/522:55:125
111391220,0ptp4l0-21swapper/522:24:055
111391220,0ptp4l0-21swapper/521:16:255
111391220,0ptp4l0-21swapper/520:54:565
111391220,0ptp4l0-21swapper/500:21:385
111391220,0ptp4l0-21swapper/421:05:164
111391220,0ptp4l0-21swapper/421:05:154
111391220,0ptp4l0-21swapper/420:45:194
111391220,0ptp4l0-21swapper/420:35:194
111391220,0ptp4l0-21swapper/420:15:154
111391220,0ptp4l0-21swapper/420:05:164
111391220,0ptp4l0-21swapper/420:00:014
111391220,0ptp4l0-21swapper/419:45:164
111391220,0ptp4l0-21swapper/419:30:134
111391220,0ptp4l0-21swapper/419:15:184
111391220,0ptp4l0-21swapper/321:14:593
111391220,0ptp4l0-21swapper/321:14:583
111391220,0ptp4l0-21swapper/300:37:403
111391220,0ptp4l0-21swapper/300:15:063
111391220,0ptp4l0-21swapper/222:46:572
111391220,0ptp4l0-21swapper/222:44:582
111391220,0ptp4l0-21swapper/221:50:192
111391220,0ptp4l0-21swapper/221:42:162
111391220,0ptp4l0-21swapper/200:27:252
111391220,0ptp4l0-21swapper/200:24:552
111391220,0ptp4l0-21swapper/123:55:171
111391220,0ptp4l0-21swapper/123:47:221
111391220,0ptp4l0-21swapper/123:47:211
111391220,0ptp4l0-21swapper/123:18:281
111391220,0ptp4l0-21swapper/122:38:351
111391220,0ptp4l0-21swapper/122:15:161
111391220,0ptp4l0-21swapper/122:00:151
111391220,0ptp4l0-21swapper/121:20:151
111391220,0ptp4l0-21swapper/120:50:181
111391220,0ptp4l0-21swapper/100:06:511
111391220,0ptp4l0-21swapper/021:25:150
111391220,0ptp4l0-21swapper/020:45:160
111391220,0ptp4l0-21swapper/020:15:000
111391220,0ptp4l0-21swapper/020:05:130
111391220,0ptp4l0-21swapper/019:50:200
111391220,0ptp4l0-21swapper/019:35:120
111391220,0ptp4l0-21swapper/019:10:190
111391210,0ptp4l0-21swapper/722:56:347
111391210,0ptp4l0-21swapper/722:03:187
111391210,0ptp4l0-21swapper/623:52:036
111391210,0ptp4l0-21swapper/623:47:086
111391210,0ptp4l0-21swapper/623:47:076
111391210,0ptp4l0-21swapper/622:00:066
111391210,0ptp4l0-21swapper/621:20:076
111391210,0ptp4l0-21swapper/600:05:236
111391210,0ptp4l0-21swapper/523:34:335
111391210,0ptp4l0-21swapper/523:06:105
111391210,0ptp4l0-21swapper/522:04:495
111391210,0ptp4l0-21swapper/520:59:485
111391210,0ptp4l0-21swapper/222:52:482
111391210,0ptp4l0-21swapper/221:28:082
111391210,0ptp4l0-21swapper/221:10:232
111391210,0ptp4l0-21swapper/221:10:222
111391210,0ptp4l0-21swapper/221:01:012
111391210,0ptp4l0-21swapper/200:05:222
111391210,0ptp4l0-21swapper/123:21:011
111391210,0ptp4l0-21swapper/123:05:321
111391210,0ptp4l0-21swapper/123:03:491
111391210,0ptp4l0-21swapper/122:24:031
111391210,0ptp4l0-21swapper/122:11:151
111391210,0ptp4l0-21swapper/121:56:271
111391210,0ptp4l0-21swapper/121:51:581
111391210,0ptp4l0-21swapper/121:41:321
111391210,0ptp4l0-21swapper/121:31:201
111391210,0ptp4l0-21swapper/121:16:021
111391210,0ptp4l0-21swapper/100:28:241
111391210,0ptp4l0-21swapper/100:21:341
111391210,0ptp4l0-21swapper/100:02:521
111391210,0ptp4l0-21swapper/019:25:180
111391200,2ptp4l0-21swapper/220:12:092
111391200,0ptp4l0-21swapper/700:37:357
111391200,0ptp4l0-21swapper/623:30:546
111391200,0ptp4l0-21swapper/622:45:306
111391200,0ptp4l0-21swapper/621:50:336
111391200,0ptp4l0-21swapper/600:27:306
111391200,0ptp4l0-21swapper/600:24:536
111391200,0ptp4l0-21swapper/522:38:395
111391200,0ptp4l0-21swapper/521:58:055
111391200,0ptp4l0-21swapper/521:46:465
111391200,0ptp4l0-21swapper/500:31:025
111391200,0ptp4l0-21swapper/322:52:243
111391200,0ptp4l0-21swapper/222:57:232
111391200,0ptp4l0-21swapper/221:58:182
111391200,0ptp4l0-21swapper/123:30:171
111391200,0ptp4l0-21swapper/121:14:281
111391200,0ptp4l0-21swapper/121:14:281
111391190,0ptp4l0-21swapper/622:11:036
111391190,0ptp4l0-21swapper/621:44:396
111391190,0ptp4l0-21swapper/621:05:586
111391190,0ptp4l0-21swapper/621:05:576
111391190,0ptp4l0-21swapper/600:14:406
111391190,0ptp4l0-21swapper/523:56:365
111391190,0ptp4l0-21swapper/523:46:595
111391190,0ptp4l0-21swapper/523:46:585
111391190,0ptp4l0-21swapper/522:11:155
111391190,0ptp4l0-21swapper/522:07:565
111391190,0ptp4l0-21swapper/323:05:283
111391190,0ptp4l0-21swapper/223:52:022
111391190,0ptp4l0-21swapper/223:44:442
111391190,0ptp4l0-21swapper/223:13:352
111391190,0ptp4l0-21swapper/221:20:092
111391190,0ptp4l0-21swapper/121:46:421
111391190,0ptp4l0-21swapper/121:29:171
111391190,0ptp4l0-21swapper/120:16:281
111391190,0ptp4l0-21swapper/119:53:471
111391180,0ptp4l0-21swapper/622:56:456
111391180,0ptp4l0-21swapper/622:44:596
111391180,0ptp4l0-21swapper/523:53:555
111391180,0ptp4l0-21swapper/523:26:255
111391180,0ptp4l0-21swapper/523:13:215
111391180,0ptp4l0-21swapper/522:54:095
111391180,0ptp4l0-21swapper/521:54:515
111391180,0ptp4l0-21swapper/521:34:275
111391180,0ptp4l0-21swapper/320:33:253
111391180,0ptp4l0-21swapper/223:30:562
111391180,0ptp4l0-21swapper/223:29:072
111391180,0ptp4l0-21swapper/223:17:472
111391180,0ptp4l0-21swapper/222:11:022
111391180,0ptp4l0-21swapper/222:00:232
111391180,0ptp4l0-21swapper/122:32:281
111391180,0ptp4l0-21swapper/121:36:131
111391170,2ptp4l0-21swapper/120:58:591
111391170,0ptp4l0-21swapper/723:05:247
111391170,0ptp4l0-21swapper/721:15:017
111391170,0ptp4l0-21swapper/622:34:536
111391170,0ptp4l0-21swapper/522:32:295
111391170,0ptp4l0-21swapper/500:06:505
111391170,0ptp4l0-21swapper/122:26:051
111391170,0ptp4l0-21swapper/119:40:481
111391160,0ptp4l0-21swapper/623:29:076
111391160,0ptp4l0-21swapper/622:52:486
111391160,0ptp4l0-21swapper/621:57:566
111391160,0ptp4l0-21swapper/620:12:286
111391160,0ptp4l0-21swapper/619:38:386
111391160,0ptp4l0-21swapper/522:15:565
111391160,0ptp4l0-21swapper/521:41:525
111391160,0ptp4l0-21swapper/520:16:215
111391160,0ptp4l0-21swapper/519:13:285
111391160,0ptp4l0-21swapper/500:25:485
111391160,0ptp4l0-21swapper/500:16:535
111391160,0ptp4l0-21swapper/500:01:565
111391160,0ptp4l0-21swapper/321:15:023
111391160,0ptp4l0-21swapper/200:14:382
111391160,0ptp4l0-21swapper/121:06:391
111391160,0ptp4l0-21swapper/121:06:381
111391160,0ptp4l0-21swapper/120:43:141
111391160,0ptp4l0-21swapper/120:31:421
111391160,0ptp4l0-21swapper/120:25:141
111391160,0ptp4l0-21swapper/120:14:341
111391160,0ptp4l0-21swapper/119:58:531
111391160,0ptp4l0-21swapper/119:49:501
111391160,0ptp4l0-21swapper/119:29:381
111391160,0ptp4l0-21swapper/119:19:561
111391160,0ptp4l0-21swapper/119:11:071
111391150,0ptp4l0-21swapper/720:33:257
111391150,0ptp4l0-21swapper/720:05:527
111391150,0ptp4l0-21swapper/621:33:416
111391150,0ptp4l0-21swapper/621:02:466
111391150,0ptp4l0-21swapper/620:51:386
111391150,0ptp4l0-21swapper/620:49:256
111391150,0ptp4l0-21swapper/620:25:486
111391150,0ptp4l0-21swapper/620:24:146
111391150,0ptp4l0-21swapper/620:17:176
111391150,0ptp4l0-21swapper/619:13:216
111391150,0ptp4l0-21swapper/523:01:485
111391150,0ptp4l0-21swapper/522:42:025
111391150,0ptp4l0-21swapper/521:10:025
111391150,0ptp4l0-21swapper/521:10:015
111391150,0ptp4l0-21swapper/521:02:595
111391150,0ptp4l0-21swapper/520:47:515
111391150,0ptp4l0-21swapper/520:32:085
111391150,0ptp4l0-21swapper/520:25:455
111391150,0ptp4l0-21swapper/520:10:265
111391150,0ptp4l0-21swapper/520:04:065
111391150,0ptp4l0-21swapper/519:52:245
111391150,0ptp4l0-21swapper/519:44:095
111391150,0ptp4l0-21swapper/519:35:585
111391150,0ptp4l0-21swapper/519:34:545
111391150,0ptp4l0-21swapper/519:29:425
111391150,0ptp4l0-21swapper/500:11:055
111391150,0ptp4l0-21swapper/322:56:333
111391150,0ptp4l0-21swapper/222:07:572
111391150,0ptp4l0-21swapper/221:33:432
111391150,0ptp4l0-21swapper/221:05:532
111391150,0ptp4l0-21swapper/221:05:532
111391150,0ptp4l0-21swapper/220:58:382
111391150,0ptp4l0-21swapper/220:51:382
111391150,0ptp4l0-21swapper/220:49:222
111391150,0ptp4l0-21swapper/220:24:122
111391150,0ptp4l0-21swapper/220:16:452
111391150,0ptp4l0-21swapper/219:47:312
111391150,0ptp4l0-21swapper/219:38:372
111391150,0ptp4l0-21swapper/219:13:152
111391150,0ptp4l0-21swapper/121:02:181
111391150,0ptp4l0-21swapper/120:45:461
111391150,0ptp4l0-21swapper/120:37:461
111391150,0ptp4l0-21swapper/120:05:291
111391150,0ptp4l0-21swapper/120:01:101
111391150,0ptp4l0-21swapper/119:35:551
111391150,0ptp4l0-21swapper/119:30:031
111391150,0ptp4l0-21swapper/119:20:081
111391140,0ptp4l0-21swapper/621:28:086
111391140,0ptp4l0-21swapper/619:51:006
111391140,0ptp4l0-21swapper/522:26:175
111391140,0ptp4l0-21swapper/521:36:135
111391140,0ptp4l0-21swapper/521:20:255
111391140,0ptp4l0-21swapper/521:07:465
111391140,0ptp4l0-21swapper/521:07:465
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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