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2026-05-25 - 15:11

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 Mon May 25, 2026 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391600,29ptp4l0-21swapper/119:05:541
111391600,29ptp4l0-21swapper/019:06:290
111391590,5ptp4l0-21swapper/419:08:024
284322580,0sleep30-21swapper/321:12:423
183625848,6sleep70-21swapper/719:07:047
125582580,0sleep00-21swapper/019:30:110
1881915732,11phc2sys0-21swapper/219:09:562
111391490,5ptp4l0-21swapper/519:06:105
173824735,7sleep30-21swapper/319:05:563
174924533,7sleep60-21swapper/619:05:596
111391330,1ptp4l11577-21irqrtprio23:45:140
111391330,0ptp4l0-21swapper/123:36:481
111391320,0ptp4l0-21swapper/400:10:144
111391310,1ptp4l3098-21sshd00:18:263
111391310,0ptp4l0-21swapper/519:50:165
111391310,0ptp4l0-21swapper/123:51:321
111391310,0ptp4l0-21swapper/123:45:151
111391310,0ptp4l0-21swapper/123:10:121
111391310,0ptp4l0-21swapper/122:28:321
111391310,0ptp4l0-21swapper/122:07:061
111391300,3ptp4l0-21swapper/700:25:287
111391300,0ptp4l0-21swapper/323:18:223
111391300,0ptp4l0-21swapper/123:01:551
111391300,0ptp4l0-21swapper/123:01:541
111391300,0ptp4l0-21swapper/122:48:301
111391300,0ptp4l0-21swapper/120:58:161
111391290,0ptp4l0-21swapper/522:50:155
111391290,0ptp4l0-21swapper/123:55:541
111391280,0ptp4l0-21swapper/322:38:273
111391270,2ptp4l0-21swapper/721:41:337
111391270,0ptp4l0-21swapper/522:14:015
111391270,0ptp4l0-21swapper/521:55:135
111391270,0ptp4l0-21swapper/500:16:195
111391270,0ptp4l0-21swapper/500:00:135
111391270,0ptp4l0-21swapper/423:00:224
111391270,0ptp4l0-21swapper/423:00:224
111391270,0ptp4l0-21swapper/422:05:144
111391270,0ptp4l0-21swapper/421:23:244
111391270,0ptp4l0-21swapper/321:50:293
111391270,0ptp4l0-21swapper/222:53:022
111391270,0ptp4l0-21swapper/123:34:481
111391270,0ptp4l0-21swapper/122:11:161
111391270,0ptp4l0-21swapper/121:25:391
111391270,0ptp4l0-21swapper/120:25:181
111391270,0ptp4l0-21swapper/100:35:191
111391270,0ptp4l0-21swapper/023:55:420
111391270,0ptp4l0-21swapper/000:02:030
111391260,2ptp4l25471-21diskmemload21:42:333
111391260,2ptp4l0-21swapper/100:32:551
111391260,0ptp4l0-21swapper/700:18:527
111391260,0ptp4l0-21swapper/621:57:526
111391260,0ptp4l0-21swapper/523:40:125
111391260,0ptp4l0-21swapper/523:37:585
111391260,0ptp4l0-21swapper/521:40:175
111391260,0ptp4l0-21swapper/521:20:435
111391260,0ptp4l0-21swapper/500:13:295
111391260,0ptp4l0-21swapper/422:54:164
111391260,0ptp4l0-21swapper/420:45:164
111391260,0ptp4l0-21swapper/300:20:133
111391260,0ptp4l0-21swapper/123:16:531
111391260,0ptp4l0-21swapper/121:58:411
111391260,0ptp4l0-21swapper/121:22:321
111391260,0ptp4l0-21swapper/100:08:001
111391250,2ptp4l0-21swapper/122:34:131
111391250,1ptp4l85250irq/31-eno1-rx-00:39:295
111391250,1ptp4l7958-21irqstats23:40:151
111391250,0ptp4l0-21swapper/721:47:427
111391250,0ptp4l0-21swapper/721:28:557
111391250,0ptp4l0-21swapper/622:33:166
111391250,0ptp4l0-21swapper/622:20:156
111391250,0ptp4l0-21swapper/523:55:015
111391250,0ptp4l0-21swapper/523:25:155
111391250,0ptp4l0-21swapper/522:48:585
111391250,0ptp4l0-21swapper/522:35:185
111391250,0ptp4l0-21swapper/522:34:245
111391250,0ptp4l0-21swapper/521:35:175
111391250,0ptp4l0-21swapper/521:26:525
111391250,0ptp4l0-21swapper/521:10:215
111391250,0ptp4l0-21swapper/519:55:125
111391250,0ptp4l0-21swapper/500:08:355
111391250,0ptp4l0-21swapper/423:44:584
111391250,0ptp4l0-21swapper/422:22:584
111391250,0ptp4l0-21swapper/122:54:181
111391250,0ptp4l0-21swapper/122:21:211
111391250,0ptp4l0-21swapper/100:10:171
111391250,0ptp4l0-21swapper/023:50:390
111391250,0ptp4l0-21swapper/021:53:410
111391240,4ptp4l5486-21kworker/1:122:15:591
111391240,1ptp4l5721-21df19:15:111
111391240,1ptp4l4556-21sed19:15:005
111391240,1ptp4l25058-21users21:50:215
111391240,1ptp4l22121-21grep23:15:160
111391240,1ptp4l14651-21diskstats20:45:121
111391240,1ptp4l11681-21unixbench_multi23:00:210
111391240,1ptp4l11681-21unixbench_multi23:00:210
111391240,0ptp4l0-21swapper/723:22:167
111391240,0ptp4l0-21swapper/621:47:026
111391240,0ptp4l0-21swapper/523:10:105
111391240,0ptp4l0-21swapper/521:47:185
111391240,0ptp4l0-21swapper/519:20:165
111391240,0ptp4l0-21swapper/423:20:194
111391240,0ptp4l0-21swapper/422:55:504
111391240,0ptp4l0-21swapper/422:55:504
111391240,0ptp4l0-21swapper/421:32:204
111391240,0ptp4l0-21swapper/421:00:034
111391240,0ptp4l0-21swapper/321:45:143
111391240,0ptp4l0-21swapper/123:29:341
111391240,0ptp4l0-21swapper/123:24:461
111391240,0ptp4l0-21swapper/121:52:091
111391240,0ptp4l0-21swapper/121:37:221
111391240,0ptp4l0-21swapper/121:19:521
111391240,0ptp4l0-21swapper/121:10:221
111391240,0ptp4l0-21swapper/120:35:171
111391240,0ptp4l0-21swapper/120:05:001
111391240,0ptp4l0-21swapper/119:20:111
111391240,0ptp4l0-21swapper/100:20:431
111391240,0ptp4l0-21swapper/100:16:201
111391240,0ptp4l0-21swapper/020:40:200
111391230,1ptp4l540-21cpu20:15:121
111391230,1ptp4l540-21cpu20:15:121
111391230,1ptp4l515-21systemd-journal20:20:165
111391230,1ptp4l515-21systemd-journal20:20:165
111391230,1ptp4l26190-21df21:10:140
111391230,1ptp4l236799cyclictest22:23:145
111391230,1ptp4l22409-21sh00:00:141
111391230,1ptp4l21991-21ssh21:47:062
111391230,0ptp4l2320-21cyclictest20:50:205
111391230,0ptp4l12670-21cut21:35:120
111391230,0ptp4l0-21swapper/700:20:127
111391230,0ptp4l0-21swapper/523:51:425
111391230,0ptp4l0-21swapper/523:45:115
111391230,0ptp4l0-21swapper/523:20:135
111391230,0ptp4l0-21swapper/523:05:125
111391230,0ptp4l0-21swapper/522:40:115
111391230,0ptp4l0-21swapper/522:26:005
111391230,0ptp4l0-21swapper/522:19:595
111391230,0ptp4l0-21swapper/521:18:375
111391230,0ptp4l0-21swapper/520:43:565
111391230,0ptp4l0-21swapper/520:30:135
111391230,0ptp4l0-21swapper/520:15:195
111391230,0ptp4l0-21swapper/520:15:195
111391230,0ptp4l0-21swapper/520:10:125
111391230,0ptp4l0-21swapper/519:45:185
111391230,0ptp4l0-21swapper/519:30:115
111391230,0ptp4l0-21swapper/519:25:125
111391230,0ptp4l0-21swapper/500:30:145
111391230,0ptp4l0-21swapper/423:50:124
111391230,0ptp4l0-21swapper/423:15:204
111391230,0ptp4l0-21swapper/422:01:364
111391230,0ptp4l0-21swapper/421:50:004
111391230,0ptp4l0-21swapper/420:50:164
111391230,0ptp4l0-21swapper/419:55:174
111391230,0ptp4l0-21swapper/300:25:153
111391230,0ptp4l0-21swapper/222:20:142
111391230,0ptp4l0-21swapper/219:35:162
111391230,0ptp4l0-21swapper/122:55:171
111391230,0ptp4l0-21swapper/122:55:171
111391230,0ptp4l0-21swapper/122:35:451
111391230,0ptp4l0-21swapper/121:47:281
111391230,0ptp4l0-21swapper/121:09:151
111391230,0ptp4l0-21swapper/120:50:161
111391230,0ptp4l0-21swapper/120:21:041
111391230,0ptp4l0-21swapper/120:21:041
111391230,0ptp4l0-21swapper/119:50:201
111391230,0ptp4l0-21swapper/119:48:301
111391230,0ptp4l0-21swapper/119:40:151
111391230,0ptp4l0-21swapper/119:25:131
111391230,0ptp4l0-21swapper/119:10:131
111391230,0ptp4l0-21swapper/100:29:531
111391230,0ptp4l0-21swapper/023:25:110
111391230,0ptp4l0-21swapper/022:30:160
111391230,0ptp4l0-21swapper/022:19:300
111391230,0ptp4l0-21swapper/022:05:170
111391230,0ptp4l0-21swapper/022:03:000
111391230,0ptp4l0-21swapper/021:55:190
111391230,0ptp4l0-21swapper/021:30:150
111391230,0ptp4l0-21swapper/020:45:150
111391230,0ptp4l0-21swapper/019:55:210
111391230,0ptp4l0-21swapper/019:20:190
111391230,0ptp4l0-21swapper/000:30:130
111391220,1ptp4l31038-21runrttasks20:10:131
111391220,1ptp4l26692-21ssh23:21:053
111391220,1ptp4l25471-21diskmemload23:19:566
111391220,1ptp4l234099cyclictest20:30:181
111391220,0ptp4l0-21swapper/723:06:007
111391220,0ptp4l0-21swapper/722:38:187
111391220,0ptp4l0-21swapper/721:34:187
111391220,0ptp4l0-21swapper/721:10:407
111391220,0ptp4l0-21swapper/622:53:246
111391220,0ptp4l0-21swapper/621:13:536
111391220,0ptp4l0-21swapper/523:30:145
111391220,0ptp4l0-21swapper/523:15:135
111391220,0ptp4l0-21swapper/523:00:165
111391220,0ptp4l0-21swapper/523:00:165
111391220,0ptp4l0-21swapper/522:56:225
111391220,0ptp4l0-21swapper/522:56:225
111391220,0ptp4l0-21swapper/522:05:005
111391220,0ptp4l0-21swapper/522:01:165
111391220,0ptp4l0-21swapper/521:30:115
111391220,0ptp4l0-21swapper/521:05:135
111391220,0ptp4l0-21swapper/521:00:115
111391220,0ptp4l0-21swapper/520:55:155
111391220,0ptp4l0-21swapper/520:35:145
111391220,0ptp4l0-21swapper/520:25:165
111391220,0ptp4l0-21swapper/520:05:135
111391220,0ptp4l0-21swapper/520:00:185
111391220,0ptp4l0-21swapper/519:15:165
111391220,0ptp4l0-21swapper/423:56:124
111391220,0ptp4l0-21swapper/423:48:224
111391220,0ptp4l0-21swapper/423:30:564
111391220,0ptp4l0-21swapper/423:26:024
111391220,0ptp4l0-21swapper/422:47:044
111391220,0ptp4l0-21swapper/422:40:154
111391220,0ptp4l0-21swapper/422:26:164
111391220,0ptp4l0-21swapper/421:40:114
111391220,0ptp4l0-21swapper/421:16:244
111391220,0ptp4l0-21swapper/421:10:204
111391220,0ptp4l0-21swapper/420:55:124
111391220,0ptp4l0-21swapper/419:55:004
111391220,0ptp4l0-21swapper/400:32:514
111391220,0ptp4l0-21swapper/400:16:164
111391220,0ptp4l0-21swapper/400:08:234
111391220,0ptp4l0-21swapper/400:00:204
111391220,0ptp4l0-21swapper/321:33:513
111391220,0ptp4l0-21swapper/321:29:483
111391220,0ptp4l0-21swapper/221:11:442
111391220,0ptp4l0-21swapper/220:00:142
111391220,0ptp4l0-21swapper/123:05:131
111391220,0ptp4l0-21swapper/122:40:121
111391220,0ptp4l0-21swapper/122:01:171
111391220,0ptp4l0-21swapper/121:40:131
111391220,0ptp4l0-21swapper/121:32:301
111391220,0ptp4l0-21swapper/121:00:121
111391220,0ptp4l0-21swapper/120:45:011
111391220,0ptp4l0-21swapper/120:05:141
111391220,0ptp4l0-21swapper/119:55:131
111391220,0ptp4l0-21swapper/119:35:131
111391220,0ptp4l0-21swapper/119:30:131
111391220,0ptp4l0-21swapper/023:35:140
111391220,0ptp4l0-21swapper/023:23:320
111391220,0ptp4l0-21swapper/023:05:020
111391220,0ptp4l0-21swapper/022:54:550
111391220,0ptp4l0-21swapper/022:45:150
111391220,0ptp4l0-21swapper/022:44:120
111391220,0ptp4l0-21swapper/021:49:590
111391220,0ptp4l0-21swapper/021:44:380
111391220,0ptp4l0-21swapper/021:27:000
111391220,0ptp4l0-21swapper/021:05:170
111391220,0ptp4l0-21swapper/020:55:130
111391220,0ptp4l0-21swapper/020:20:180
111391220,0ptp4l0-21swapper/020:20:180
111391220,0ptp4l0-21swapper/019:15:010
111391220,0ptp4l0-21swapper/000:35:150
111391220,0ptp4l0-21swapper/000:10:140
111391220,0ptp4l0-21swapper/000:05:210
111391210,0ptp4l0-21swapper/722:26:427
111391210,0ptp4l0-21swapper/721:50:377
111391210,0ptp4l0-21swapper/623:41:106
111391210,0ptp4l0-21swapper/622:01:576
111391210,0ptp4l0-21swapper/621:51:386
111391210,0ptp4l0-21swapper/621:31:506
111391210,0ptp4l0-21swapper/619:35:186
111391210,0ptp4l0-21swapper/520:45:135
111391210,0ptp4l0-21swapper/500:29:125
111391210,0ptp4l0-21swapper/500:20:405
111391210,0ptp4l0-21swapper/423:12:464
111391210,0ptp4l0-21swapper/423:07:564
111391210,0ptp4l0-21swapper/422:39:324
111391210,0ptp4l0-21swapper/422:33:534
111391210,0ptp4l0-21swapper/422:16:094
111391210,0ptp4l0-21swapper/422:13:024
111391210,0ptp4l0-21swapper/421:59:244
111391210,0ptp4l0-21swapper/421:45:504
111391210,0ptp4l0-21swapper/421:25:154
111391210,0ptp4l0-21swapper/420:34:164
111391210,0ptp4l0-21swapper/419:46:574
111391210,0ptp4l0-21swapper/419:30:174
111391210,0ptp4l0-21swapper/400:36:214
111391210,0ptp4l0-21swapper/400:22:224
111391210,0ptp4l0-21swapper/323:59:423
111391210,0ptp4l0-21swapper/223:19:512
111391210,0ptp4l0-21swapper/222:33:162
111391210,0ptp4l0-21swapper/222:17:042
111391210,0ptp4l0-21swapper/221:57:462
111391210,0ptp4l0-21swapper/221:32:022
111391210,0ptp4l0-21swapper/200:33:242
111391210,0ptp4l0-21swapper/200:14:402
111391210,0ptp4l0-21swapper/023:10:020
111391210,0ptp4l0-21swapper/022:57:180
111391210,0ptp4l0-21swapper/022:57:180
111391210,0ptp4l0-21swapper/022:38:540
111391210,0ptp4l0-21swapper/022:29:080
111391210,0ptp4l0-21swapper/022:13:200
111391210,0ptp4l0-21swapper/021:15:060
111391210,0ptp4l0-21swapper/000:28:560
111391210,0ptp4l0-21swapper/000:16:440
249102200,0sleep20-21swapper/222:35:172
111391200,0ptp4l0-21swapper/723:18:247
111391200,0ptp4l0-21swapper/721:18:457
111391200,0ptp4l0-21swapper/623:35:396
111391200,0ptp4l0-21swapper/622:37:206
111391200,0ptp4l0-21swapper/519:43:565
111391200,0ptp4l0-21swapper/423:37:094
111391200,0ptp4l0-21swapper/421:35:324
111391200,0ptp4l0-21swapper/420:40:014
111391200,0ptp4l0-21swapper/419:21:534
111391200,0ptp4l0-21swapper/323:05:443
111391200,0ptp4l0-21swapper/322:11:283
111391200,0ptp4l0-21swapper/319:54:563
111391200,0ptp4l0-21swapper/223:39:042
111391200,0ptp4l0-21swapper/220:38:522
111391200,0ptp4l0-21swapper/200:07:382
111391200,0ptp4l0-21swapper/023:41:040
111391200,0ptp4l0-21swapper/019:35:150
111391200,0ptp4l0-21swapper/000:21:570
111391190,0ptp4l0-21swapper/621:18:506
111391190,0ptp4l0-21swapper/620:00:136
111391190,0ptp4l0-21swapper/600:33:266
111391190,0ptp4l0-21swapper/421:06:084
111391190,0ptp4l0-21swapper/322:26:533
111391190,0ptp4l0-21swapper/221:51:402
111391190,0ptp4l0-21swapper/221:18:502
111391190,0ptp4l0-21swapper/220:59:402
111391190,0ptp4l0-21swapper/023:34:050
111391190,0ptp4l0-21swapper/022:20:070
111391190,0ptp4l0-21swapper/021:24:200
111391190,0ptp4l0-21swapper/020:40:010
153412180,0sleep70-21swapper/700:35:137
111391180,2ptp4l0-21swapper/019:10:010
111391180,0ptp4l0-21swapper/722:11:217
111391180,0ptp4l0-21swapper/619:59:206
111391180,0ptp4l0-21swapper/600:07:316
111391180,0ptp4l0-21swapper/519:39:075
111391180,0ptp4l0-21swapper/420:04:574
111391180,0ptp4l0-21swapper/223:41:052
111391180,0ptp4l0-21swapper/221:44:042
111391180,0ptp4l0-21swapper/019:50:130
111391170,2ptp4l0-21swapper/419:15:354
111391170,2ptp4l0-21swapper/020:07:180
111391170,0ptp4l25471-21diskmemload23:09:032
111391170,0ptp4l0-21swapper/623:09:016
111391170,0ptp4l0-21swapper/621:44:016
111391170,0ptp4l0-21swapper/600:14:446
111391170,0ptp4l0-21swapper/400:28:564
111391170,0ptp4l0-21swapper/321:18:473
111391170,0ptp4l0-21swapper/020:50:150
111391160,0ptp4l0-21swapper/420:22:174
111391160,0ptp4l0-21swapper/420:22:174
111391160,0ptp4l0-21swapper/420:16:024
111391160,0ptp4l0-21swapper/420:16:024
111391160,0ptp4l0-21swapper/420:05:124
111391160,0ptp4l0-21swapper/222:01:532
111391160,0ptp4l0-21swapper/020:13:390
111391160,0ptp4l0-21swapper/020:00:280
111391150,1ptp4l20834-21chrt20:59:396
111391150,0ptp4l0-21swapper/723:59:417
111391150,0ptp4l0-21swapper/719:28:317
111391150,0ptp4l0-21swapper/622:27:196
111391150,0ptp4l0-21swapper/620:37:076
111391150,0ptp4l0-21swapper/620:12:256
111391150,0ptp4l0-21swapper/619:51:476
111391150,0ptp4l0-21swapper/420:26:144
111391150,0ptp4l0-21swapper/420:12:504
111391150,0ptp4l0-21swapper/419:42:064
111391150,0ptp4l0-21swapper/419:37:084
111391150,0ptp4l0-21swapper/419:25:234
111391150,0ptp4l0-21swapper/419:10:014
111391150,0ptp4l0-21swapper/220:12:272
111391150,0ptp4l0-21swapper/219:51:472
111391150,0ptp4l0-21swapper/021:00:020
111391150,0ptp4l0-21swapper/020:33:320
111391150,0ptp4l0-21swapper/020:26:000
111391150,0ptp4l0-21swapper/020:16:040
111391150,0ptp4l0-21swapper/020:16:040
111391150,0ptp4l0-21swapper/019:45:250
111391150,0ptp4l0-21swapper/019:42:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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