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2026-08-30 - 08:43

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 Sun Aug 30, 2026 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391620,5ptp4l0-21swapper/419:07:264
111391620,5ptp4l0-21swapper/019:06:030
1596626050,6sleep70-21swapper/719:06:217
1881915634,7phc2sys0-21swapper/119:06:481
1608325039,7sleep20-21swapper/219:07:532
1540025031,4sleep50-21swapper/519:05:245
1610424837,7sleep30-21swapper/319:08:093
1601424838,6sleep60-21swapper/619:07:006
111391350,3ptp4l0-21swapper/400:38:324
111391340,0ptp4l0-21swapper/400:25:004
111391330,0ptp4l0-21swapper/422:40:194
111391320,3ptp4l0-21swapper/422:00:134
111391320,0ptp4l0-21swapper/420:25:184
111391320,0ptp4l0-21swapper/420:25:174
111391310,0ptp4l0-21swapper/523:54:265
111391310,0ptp4l0-21swapper/120:05:171
111391300,0ptp4l0-21swapper/022:30:150
111391290,0ptp4l0-21swapper/419:25:184
111391290,0ptp4l0-21swapper/400:33:354
111391290,0ptp4l0-21swapper/123:47:211
111391290,0ptp4l0-21swapper/123:40:361
111391290,0ptp4l0-21swapper/000:39:040
111391280,4ptp4l0-21swapper/422:21:274
111391280,3ptp4l0-21swapper/400:26:164
111391280,3ptp4l0-21swapper/022:26:260
111391280,0ptp4l0-21swapper/423:15:194
111391280,0ptp4l0-21swapper/421:44:534
111391280,0ptp4l0-21swapper/421:29:144
111391280,0ptp4l0-21swapper/420:35:144
111391280,0ptp4l0-21swapper/420:16:464
111391280,0ptp4l0-21swapper/123:52:111
111391280,0ptp4l0-21swapper/121:51:151
111391280,0ptp4l0-21swapper/023:45:140
111391280,0ptp4l0-21swapper/023:00:510
111391280,0ptp4l0-21swapper/000:32:320
111391270,1ptp4l8059-21ssh00:17:134
111391270,1ptp4l0-21swapper/020:45:000
111391270,0ptp4l0-21swapper/622:21:526
111391270,0ptp4l0-21swapper/522:20:055
111391270,0ptp4l0-21swapper/423:30:564
111391270,0ptp4l0-21swapper/423:13:474
111391270,0ptp4l0-21swapper/422:34:394
111391270,0ptp4l0-21swapper/422:10:014
111391270,0ptp4l0-21swapper/422:06:564
111391270,0ptp4l0-21swapper/421:57:184
111391270,0ptp4l0-21swapper/421:46:574
111391270,0ptp4l0-21swapper/421:30:454
111391270,0ptp4l0-21swapper/421:05:144
111391270,0ptp4l0-21swapper/419:20:174
111391270,0ptp4l0-21swapper/320:30:193
111391270,0ptp4l0-21swapper/320:30:183
111391270,0ptp4l0-21swapper/122:27:061
111391270,0ptp4l0-21swapper/023:43:140
111391270,0ptp4l0-21swapper/023:37:180
111391270,0ptp4l0-21swapper/021:22:350
111391260,3ptp4l0-21swapper/421:17:504
111391260,2ptp4l0-21swapper/423:37:554
111391260,0ptp4l0-21swapper/520:45:215
111391260,0ptp4l0-21swapper/500:27:055
111391260,0ptp4l0-21swapper/423:09:474
111391260,0ptp4l0-21swapper/423:09:474
111391260,0ptp4l0-21swapper/422:55:144
111391260,0ptp4l0-21swapper/422:53:194
111391260,0ptp4l0-21swapper/422:45:564
111391260,0ptp4l0-21swapper/422:28:564
111391260,0ptp4l0-21swapper/421:37:124
111391260,0ptp4l0-21swapper/420:50:074
111391260,0ptp4l0-21swapper/400:08:574
111391260,0ptp4l0-21swapper/023:59:020
111391260,0ptp4l0-21swapper/022:10:010
111391260,0ptp4l0-21swapper/000:23:300
111391250,2ptp4l9993-21latency22:45:170
111391250,2ptp4l0-21swapper/400:01:564
111391250,1ptp4l17016-21fw_forwarded_lo19:10:120
111391250,1ptp4l10509-21ssh21:13:464
111391250,0ptp4l7281-21diskmemload23:02:524
111391250,0ptp4l0-21swapper/722:22:307
111391250,0ptp4l0-21swapper/522:48:375
111391250,0ptp4l0-21swapper/519:50:115
111391250,0ptp4l0-21swapper/422:15:474
111391250,0ptp4l0-21swapper/421:53:544
111391250,0ptp4l0-21swapper/419:40:114
111391250,0ptp4l0-21swapper/222:53:402
111391250,0ptp4l0-21swapper/122:52:001
111391250,0ptp4l0-21swapper/100:33:431
111391250,0ptp4l0-21swapper/100:27:031
111391250,0ptp4l0-21swapper/023:51:020
111391250,0ptp4l0-21swapper/023:05:120
111391250,0ptp4l0-21swapper/023:05:120
111391250,0ptp4l0-21swapper/022:25:000
111391250,0ptp4l0-21swapper/000:06:350
111391240,3ptp4l0-21swapper/623:59:546
111391240,2ptp4l0-21swapper/123:37:351
111391240,1ptp4l9269-21grep23:30:180
111391240,1ptp4l30166-21diskstats23:15:140
111391240,1ptp4l26792-21smartctl19:30:145
111391240,1ptp4l25730-21cat22:20:191
111391240,1ptp4l22729-21ptp4l-jitter20:30:187
111391240,1ptp4l22729-21ptp4l-jitter20:30:187
111391240,1ptp4l20479-21irqrtprio00:35:165
111391240,0ptp4l0-21swapper/520:20:015
111391240,0ptp4l0-21swapper/519:15:135
111391240,0ptp4l0-21swapper/423:54:384
111391240,0ptp4l0-21swapper/423:26:134
111391240,0ptp4l0-21swapper/421:00:144
111391240,0ptp4l0-21swapper/419:55:164
111391240,0ptp4l0-21swapper/219:40:192
111391240,0ptp4l0-21swapper/123:34:071
111391240,0ptp4l0-21swapper/122:08:441
111391240,0ptp4l0-21swapper/121:00:431
111391240,0ptp4l0-21swapper/100:04:561
111391240,0ptp4l0-21swapper/023:25:180
111391240,0ptp4l0-21swapper/022:42:100
111391240,0ptp4l0-21swapper/022:40:010
111391240,0ptp4l0-21swapper/021:30:210
111391240,0ptp4l0-21swapper/021:29:040
111391240,0ptp4l0-21swapper/020:20:200
111391240,0ptp4l0-21swapper/020:00:140
111391240,0ptp4l0-21swapper/019:20:180
111391240,0ptp4l0-21swapper/000:18:310
1653999235,4cyclictest0-21swapper/420:32:494
1653999235,4cyclictest0-21swapper/420:32:494
1653999230,0cyclictest0-21swapper/420:09:204
111391230,1ptp4l403-21latency_hist20:55:010
111391230,1ptp4l1-21systemd19:21:392
111391230,1ptp4l11125-21/usr/sbin/munin20:05:165
111391230,0ptp4l7281-21diskmemload23:36:135
111391230,0ptp4l0-21swapper/523:45:315
111391230,0ptp4l0-21swapper/523:20:135
111391230,0ptp4l0-21swapper/523:13:295
111391230,0ptp4l0-21swapper/522:52:165
111391230,0ptp4l0-21swapper/522:02:285
111391230,0ptp4l0-21swapper/521:50:125
111391230,0ptp4l0-21swapper/521:28:285
111391230,0ptp4l0-21swapper/423:55:234
111391230,0ptp4l0-21swapper/423:40:164
111391230,0ptp4l0-21swapper/421:22:064
111391230,0ptp4l0-21swapper/420:20:154
111391230,0ptp4l0-21swapper/420:10:144
111391230,0ptp4l0-21swapper/419:45:124
111391230,0ptp4l0-21swapper/419:40:004
111391230,0ptp4l0-21swapper/419:30:214
111391230,0ptp4l0-21swapper/400:10:114
111391230,0ptp4l0-21swapper/322:22:203
111391230,0ptp4l0-21swapper/123:20:141
111391230,0ptp4l0-21swapper/123:08:491
111391230,0ptp4l0-21swapper/123:08:481
111391230,0ptp4l0-21swapper/122:32:211
111391230,0ptp4l0-21swapper/122:10:121
111391230,0ptp4l0-21swapper/121:28:031
111391230,0ptp4l0-21swapper/120:05:011
111391230,0ptp4l0-21swapper/119:25:151
111391230,0ptp4l0-21swapper/119:24:161
111391230,0ptp4l0-21swapper/119:15:201
111391230,0ptp4l0-21swapper/119:15:011
111391230,0ptp4l0-21swapper/100:35:131
111391230,0ptp4l0-21swapper/100:20:101
111391230,0ptp4l0-21swapper/100:15:171
111391230,0ptp4l0-21swapper/023:20:320
111391230,0ptp4l0-21swapper/022:55:140
111391230,0ptp4l0-21swapper/022:50:140
111391230,0ptp4l0-21swapper/022:15:190
111391230,0ptp4l0-21swapper/022:10:200
111391230,0ptp4l0-21swapper/021:55:070
111391230,0ptp4l0-21swapper/021:45:210
111391230,0ptp4l0-21swapper/021:40:190
111391230,0ptp4l0-21swapper/021:15:160
111391230,0ptp4l0-21swapper/021:12:100
111391230,0ptp4l0-21swapper/021:05:160
111391230,0ptp4l0-21swapper/021:00:170
111391230,0ptp4l0-21swapper/020:35:100
111391230,0ptp4l0-21swapper/020:25:190
111391230,0ptp4l0-21swapper/020:25:190
111391230,0ptp4l0-21swapper/020:15:110
111391230,0ptp4l0-21swapper/019:55:190
111391230,0ptp4l0-21swapper/019:45:130
111391230,0ptp4l0-21swapper/019:40:170
111391230,0ptp4l0-21swapper/019:35:110
111391230,0ptp4l0-21swapper/000:25:130
111391230,0ptp4l0-21swapper/000:00:130
1653999225,0cyclictest0-21swapper/419:50:384
111391220,4ptp4l0-21swapper/423:21:404
111391220,1ptp4l7281-21diskmemload21:38:251
111391220,1ptp4l24948-21ps20:35:151
111391220,0ptp4l0-21swapper/722:17:197
111391220,0ptp4l0-21swapper/622:37:026
111391220,0ptp4l0-21swapper/622:15:186
111391220,0ptp4l0-21swapper/619:21:446
111391220,0ptp4l0-21swapper/523:40:255
111391220,0ptp4l0-21swapper/523:33:035
111391220,0ptp4l0-21swapper/523:16:585
111391220,0ptp4l0-21swapper/523:04:565
111391220,0ptp4l0-21swapper/522:55:125
111391220,0ptp4l0-21swapper/522:32:115
111391220,0ptp4l0-21swapper/522:18:335
111391220,0ptp4l0-21swapper/522:13:205
111391220,0ptp4l0-21swapper/522:07:425
111391220,0ptp4l0-21swapper/521:59:115
111391220,0ptp4l0-21swapper/521:49:475
111391220,0ptp4l0-21swapper/521:40:025
111391220,0ptp4l0-21swapper/521:37:475
111391220,0ptp4l0-21swapper/521:34:385
111391220,0ptp4l0-21swapper/521:16:535
111391220,0ptp4l0-21swapper/521:07:035
111391220,0ptp4l0-21swapper/520:35:165
111391220,0ptp4l0-21swapper/500:33:105
111391220,0ptp4l0-21swapper/500:20:145
111391220,0ptp4l0-21swapper/500:08:065
111391220,0ptp4l0-21swapper/423:45:184
111391220,0ptp4l0-21swapper/422:35:144
111391220,0ptp4l0-21swapper/420:55:114
111391220,0ptp4l0-21swapper/420:40:104
111391220,0ptp4l0-21swapper/420:00:144
111391220,0ptp4l0-21swapper/322:51:133
111391220,0ptp4l0-21swapper/322:17:263
111391220,0ptp4l0-21swapper/223:02:142
111391220,0ptp4l0-21swapper/222:15:172
111391220,0ptp4l0-21swapper/123:58:321
111391220,0ptp4l0-21swapper/123:19:461
111391220,0ptp4l0-21swapper/123:13:051
111391220,0ptp4l0-21swapper/122:49:021
111391220,0ptp4l0-21swapper/122:39:261
111391220,0ptp4l0-21swapper/121:56:111
111391220,0ptp4l0-21swapper/121:48:061
111391220,0ptp4l0-21swapper/121:22:331
111391220,0ptp4l0-21swapper/120:45:131
111391220,0ptp4l0-21swapper/120:25:171
111391220,0ptp4l0-21swapper/120:25:161
111391220,0ptp4l0-21swapper/120:21:361
111391220,0ptp4l0-21swapper/119:30:141
111391220,0ptp4l0-21swapper/023:10:130
111391220,0ptp4l0-21swapper/022:00:180
111391220,0ptp4l0-21swapper/021:35:140
111391220,0ptp4l0-21swapper/020:10:110
111391220,0ptp4l0-21swapper/019:30:220
111391220,0ptp4l0-21swapper/000:10:110
111391210,1ptp4l57-21ksoftirqd/500:00:035
111391210,0ptp4l0-21swapper/722:51:417
111391210,0ptp4l0-21swapper/623:54:566
111391210,0ptp4l0-21swapper/621:50:396
111391210,0ptp4l0-21swapper/621:30:286
111391210,0ptp4l0-21swapper/523:58:425
111391210,0ptp4l0-21swapper/523:06:225
111391210,0ptp4l0-21swapper/523:06:225
111391210,0ptp4l0-21swapper/522:41:415
111391210,0ptp4l0-21swapper/522:35:395
111391210,0ptp4l0-21swapper/522:27:135
111391210,0ptp4l0-21swapper/521:22:325
111391210,0ptp4l0-21swapper/520:56:585
111391210,0ptp4l0-21swapper/520:25:315
111391210,0ptp4l0-21swapper/520:25:305
111391210,0ptp4l0-21swapper/419:17:024
111391210,0ptp4l0-21swapper/419:10:114
111391210,0ptp4l0-21swapper/223:59:542
111391210,0ptp4l0-21swapper/223:54:532
111391210,0ptp4l0-21swapper/223:35:012
111391210,0ptp4l0-21swapper/223:12:042
111391210,0ptp4l0-21swapper/221:50:352
111391210,0ptp4l0-21swapper/221:44:302
111391210,0ptp4l0-21swapper/200:18:422
111391210,0ptp4l0-21swapper/123:01:371
111391210,0ptp4l0-21swapper/122:55:081
111391210,0ptp4l0-21swapper/122:41:371
111391210,0ptp4l0-21swapper/122:18:351
111391210,0ptp4l0-21swapper/122:02:311
111391210,0ptp4l0-21swapper/121:41:031
111391210,0ptp4l0-21swapper/121:32:441
111391210,0ptp4l0-21swapper/121:11:241
111391210,0ptp4l0-21swapper/120:31:191
111391210,0ptp4l0-21swapper/120:31:181
111391210,0ptp4l0-21swapper/119:55:151
111391210,0ptp4l0-21swapper/119:50:171
111391210,0ptp4l0-21swapper/100:05:581
111391210,0ptp4l0-21swapper/021:51:380
111391210,0ptp4l0-21swapper/020:55:140
111391210,0ptp4l0-21swapper/019:25:170
111391210,0ptp4l0-21swapper/019:18:170
111391200,1ptp4l0-21swapper/519:26:125
111391200,0ptp4l0-21swapper/623:32:456
111391200,0ptp4l0-21swapper/622:53:456
111391200,0ptp4l0-21swapper/622:02:596
111391200,0ptp4l0-21swapper/600:18:436
111391200,0ptp4l0-21swapper/600:05:256
111391200,0ptp4l0-21swapper/521:11:335
111391200,0ptp4l0-21swapper/520:51:565
111391200,0ptp4l0-21swapper/519:12:495
111391200,0ptp4l0-21swapper/500:13:555
111391200,0ptp4l0-21swapper/222:21:562
111391200,0ptp4l0-21swapper/222:02:582
111391200,0ptp4l0-21swapper/121:07:191
111391200,0ptp4l0-21swapper/120:56:211
111391200,0ptp4l0-21swapper/120:18:191
111391200,0ptp4l0-21swapper/100:10:291
111391200,0ptp4l0-21swapper/020:46:540
111391200,0ptp4l0-21swapper/020:34:560
111391200,0ptp4l0-21swapper/020:34:550
111391190,0ptp4l0-21swapper/720:29:147
111391190,0ptp4l0-21swapper/720:29:137
111391190,0ptp4l0-21swapper/619:40:216
111391190,0ptp4l0-21swapper/600:31:126
111391190,0ptp4l0-21swapper/520:18:085
111391190,0ptp4l0-21swapper/500:15:195
111391190,0ptp4l0-21swapper/420:48:114
111391190,0ptp4l0-21swapper/322:59:393
111391190,0ptp4l0-21swapper/322:45:483
111391190,0ptp4l0-21swapper/222:35:512
111391190,0ptp4l0-21swapper/221:30:232
111391190,0ptp4l0-21swapper/219:46:562
111391190,0ptp4l0-21swapper/123:27:451
111391190,0ptp4l0-21swapper/121:16:561
111391190,0ptp4l0-21swapper/119:45:121
111391180,2ptp4l0-21swapper/020:06:250
111391180,0ptp4l0-21swapper/722:45:477
111391180,0ptp4l0-21swapper/223:24:332
111391180,0ptp4l0-21swapper/120:51:581
111391170,0ptp4l0-21swapper/521:04:165
111391170,0ptp4l0-21swapper/520:04:085
111391170,0ptp4l0-21swapper/223:32:462
111391170,0ptp4l0-21swapper/200:05:242
111391170,0ptp4l0-21swapper/019:52:100
111391160,0ptp4l0-21swapper/623:24:356
111391160,0ptp4l0-21swapper/621:44:306
111391160,0ptp4l0-21swapper/520:11:465
111391160,0ptp4l0-21swapper/519:49:075
111391160,0ptp4l0-21swapper/519:22:165
111391160,0ptp4l0-21swapper/320:29:153
111391160,0ptp4l0-21swapper/320:29:153
111391160,0ptp4l0-21swapper/223:15:012
111391160,0ptp4l0-21swapper/119:35:411
308672150,1sleep3401ktimersoftd/321:41:403
1656099150,0cyclictest0-21swapper/721:25:227
1656099150,0cyclictest0-21swapper/721:20:157
1656099150,0cyclictest0-21swapper/721:15:067
1656099150,0cyclictest0-21swapper/721:06:257
1656099150,0cyclictest0-21swapper/721:00:327
111391150,0ptp4l0-21swapper/719:32:167
111391150,0ptp4l0-21swapper/623:15:016
111391150,0ptp4l0-21swapper/623:12:056
111391150,0ptp4l0-21swapper/623:02:146
111391150,0ptp4l0-21swapper/620:47:156
111391150,0ptp4l0-21swapper/620:42:306
111391150,0ptp4l0-21swapper/620:34:386
111391150,0ptp4l0-21swapper/620:34:376
111391150,0ptp4l0-21swapper/620:23:426
111391150,0ptp4l0-21swapper/619:55:566
111391150,0ptp4l0-21swapper/619:52:296
111391150,0ptp4l0-21swapper/619:46:516
111391150,0ptp4l0-21swapper/520:30:555
111391150,0ptp4l0-21swapper/520:30:545
111391150,0ptp4l0-21swapper/519:56:325
111391150,0ptp4l0-21swapper/519:41:095
111391150,0ptp4l0-21swapper/519:36:265
111391150,0ptp4l0-21swapper/319:32:003
111391150,0ptp4l0-21swapper/220:47:192
111391150,0ptp4l0-21swapper/220:42:322
111391150,0ptp4l0-21swapper/220:34:312
111391150,0ptp4l0-21swapper/220:34:302
111391150,0ptp4l0-21swapper/220:23:452
111391150,0ptp4l0-21swapper/220:00:042
111391150,0ptp4l0-21swapper/219:55:542
111391150,0ptp4l0-21swapper/219:19:592
111391150,0ptp4l0-21swapper/120:11:421
111391150,0ptp4l0-21swapper/119:41:081
1656099140,0cyclictest0-21swapper/721:11:417
111391140,0ptp4l0-21swapper/722:59:417
111391140,0ptp4l0-21swapper/620:54:296
111391140,0ptp4l0-21swapper/620:39:286
111391140,0ptp4l0-21swapper/620:00:036
111391140,0ptp4l0-21swapper/619:11:476
111391140,0ptp4l0-21swapper/523:25:025
111391140,0ptp4l0-21swapper/220:54:262
111391140,0ptp4l0-21swapper/220:39:262
111391140,0ptp4l0-21swapper/219:52:242
111391140,0ptp4l0-21swapper/219:11:462
111391140,0ptp4l0-21swapper/200:31:102
1656099119,1cyclictest0-21swapper/722:00:157
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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