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2026-04-27 - 10:39

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 Apr 27, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391900,30ptp4l0-21swapper/219:05:212
111391710,5ptp4l0-21swapper/419:05:204
2718026637,15sleep70-21swapper/719:05:457
111391640,5ptp4l0-21swapper/619:05:376
111391610,30ptp4l0-21swapper/019:07:500
2740625342,6sleep10-21swapper/119:08:361
2726625332,7sleep50-21swapper/519:06:475
1881915139,7phc2sys0-21swapper/319:06:023
111391340,0ptp4l23710-21unixbench_multi00:05:196
111391340,0ptp4l0-21swapper/200:11:392
111391320,0ptp4l0-21swapper/500:30:245
111391310,0ptp4l551rcuc/520:10:185
111391310,0ptp4l0-21swapper/523:14:285
111391310,0ptp4l0-21swapper/500:02:495
111391310,0ptp4l0-21swapper/500:02:485
111391300,0ptp4l0-21swapper/523:44:315
111391300,0ptp4l0-21swapper/423:04:194
111391300,0ptp4l0-21swapper/300:08:413
111391300,0ptp4l0-21swapper/100:37:321
111391300,0ptp4l0-21swapper/100:10:531
111391290,2ptp4l0-21swapper/523:25:535
111391290,0ptp4l18550-21diskmemload21:21:010
111391290,0ptp4l18550-21diskmemload21:21:010
111391290,0ptp4l0-21swapper/621:17:536
111391290,0ptp4l0-21swapper/523:34:455
111391290,0ptp4l0-21swapper/523:19:355
111391290,0ptp4l0-21swapper/522:19:455
111391290,0ptp4l0-21swapper/500:20:155
111391290,0ptp4l0-21swapper/122:09:191
111391280,3ptp4l26089-21sh00:10:123
111391280,0ptp4l0-21swapper/523:08:475
111391280,0ptp4l0-21swapper/522:44:355
111391280,0ptp4l0-21swapper/521:43:015
111391280,0ptp4l0-21swapper/521:29:165
111391280,0ptp4l0-21swapper/521:18:395
111391280,0ptp4l0-21swapper/519:30:155
111391280,0ptp4l0-21swapper/123:34:391
111391280,0ptp4l0-21swapper/122:38:551
111391280,0ptp4l0-21swapper/120:35:101
111391280,0ptp4l0-21swapper/100:30:441
111391280,0ptp4l0-21swapper/100:20:151
111391270,0ptp4l0-21swapper/523:46:555
111391270,0ptp4l0-21swapper/523:36:165
111391270,0ptp4l0-21swapper/523:02:135
111391270,0ptp4l0-21swapper/522:55:435
111391270,0ptp4l0-21swapper/522:46:215
111391270,0ptp4l0-21swapper/522:31:455
111391270,0ptp4l0-21swapper/521:59:405
111391270,0ptp4l0-21swapper/521:34:195
111391270,0ptp4l0-21swapper/519:15:205
111391270,0ptp4l0-21swapper/122:30:051
111391270,0ptp4l0-21swapper/122:04:381
111391270,0ptp4l0-21swapper/121:40:161
111391270,0ptp4l0-21swapper/119:20:141
111391260,0ptp4l18550-21diskmemload21:22:181
111391260,0ptp4l18550-21diskmemload21:22:171
111391260,0ptp4l121rcu_preempt00:08:367
111391260,0ptp4l0-21swapper/623:49:376
111391260,0ptp4l0-21swapper/622:31:346
111391260,0ptp4l0-21swapper/600:39:296
111391260,0ptp4l0-21swapper/523:53:245
111391260,0ptp4l0-21swapper/522:11:335
111391260,0ptp4l0-21swapper/521:14:095
111391260,0ptp4l0-21swapper/421:10:114
111391260,0ptp4l0-21swapper/122:15:361
111391260,0ptp4l0-21swapper/121:34:161
111391260,0ptp4l0-21swapper/120:50:141
111391260,0ptp4l0-21swapper/119:19:031
111391260,0ptp4l0-21swapper/000:25:210
111391250,1ptp4l2210-21diskstats22:55:121
111391250,1ptp4l0-21swapper/700:10:147
111391250,1ptp4l0-21swapper/023:45:130
111391250,0ptp4l0-21swapper/723:56:377
111391250,0ptp4l0-21swapper/623:05:146
111391250,0ptp4l0-21swapper/623:02:596
111391250,0ptp4l0-21swapper/622:13:576
111391250,0ptp4l0-21swapper/600:18:596
111391250,0ptp4l0-21swapper/600:12:336
111391250,0ptp4l0-21swapper/522:50:385
111391250,0ptp4l0-21swapper/522:28:345
111391250,0ptp4l0-21swapper/521:37:555
111391250,0ptp4l0-21swapper/519:56:365
111391250,0ptp4l0-21swapper/519:50:215
111391250,0ptp4l0-21swapper/500:35:205
111391250,0ptp4l0-21swapper/500:25:135
111391250,0ptp4l0-21swapper/222:30:202
111391250,0ptp4l0-21swapper/222:01:312
111391250,0ptp4l0-21swapper/123:40:001
111391250,0ptp4l0-21swapper/123:21:421
111391250,0ptp4l0-21swapper/122:10:131
111391250,0ptp4l0-21swapper/121:39:041
111391250,0ptp4l0-21swapper/121:05:001
111391240,1ptp4l7727-21diskstats20:45:111
111391240,1ptp4l7171-21sed20:45:011
111391240,1ptp4l5953-21irqrtprio19:30:161
111391240,1ptp4l14129-21if_err_virbr021:45:145
111391240,1ptp4l1068-21runrttasks23:45:182
111391240,0ptp4l9163-21ssh23:46:001
111391240,0ptp4l24179-21smart_sda21:15:201
111391240,0ptp4l0-21swapper/623:15:216
111391240,0ptp4l0-21swapper/621:30:126
111391240,0ptp4l0-21swapper/620:54:046
111391240,0ptp4l0-21swapper/620:30:206
111391240,0ptp4l0-21swapper/523:57:565
111391240,0ptp4l0-21swapper/522:35:215
111391240,0ptp4l0-21swapper/522:00:125
111391240,0ptp4l0-21swapper/520:30:135
111391240,0ptp4l0-21swapper/520:25:225
111391240,0ptp4l0-21swapper/519:40:205
111391240,0ptp4l0-21swapper/519:10:145
111391240,0ptp4l0-21swapper/500:15:065
111391240,0ptp4l0-21swapper/223:05:132
111391240,0ptp4l0-21swapper/220:55:222
111391240,0ptp4l0-21swapper/200:05:202
111391240,0ptp4l0-21swapper/123:55:171
111391240,0ptp4l0-21swapper/123:52:221
111391240,0ptp4l0-21swapper/123:09:481
111391240,0ptp4l0-21swapper/123:00:161
111391240,0ptp4l0-21swapper/122:40:131
111391240,0ptp4l0-21swapper/122:25:131
111391240,0ptp4l0-21swapper/120:55:171
111391240,0ptp4l0-21swapper/120:00:121
111391240,0ptp4l0-21swapper/100:30:001
111391240,0ptp4l0-21swapper/100:15:471
111391240,0ptp4l0-21swapper/100:00:131
111391240,0ptp4l0-21swapper/100:00:131
111391240,0ptp4l0-21swapper/021:48:580
111391240,0ptp4l0-21swapper/021:45:000
111391240,0ptp4l0-21swapper/020:40:190
111391230,2ptp4l0-21swapper/022:47:280
111391230,1ptp4l5439-21diskstats20:40:125
111391230,1ptp4l32537-21kworker/6:120:35:186
111391230,1ptp4l17239-21df23:15:111
111391230,1ptp4l11879-21ssh21:41:402
111391230,0ptp4l7948-21awk22:20:121
111391230,0ptp4l18550-21diskmemload00:05:230
111391230,0ptp4l0-21swapper/722:34:377
111391230,0ptp4l0-21swapper/623:50:096
111391230,0ptp4l0-21swapper/623:10:176
111391230,0ptp4l0-21swapper/622:59:306
111391230,0ptp4l0-21swapper/622:05:186
111391230,0ptp4l0-21swapper/621:23:366
111391230,0ptp4l0-21swapper/621:23:356
111391230,0ptp4l0-21swapper/620:05:206
111391230,0ptp4l0-21swapper/523:20:225
111391230,0ptp4l0-21swapper/522:20:215
111391230,0ptp4l0-21swapper/522:05:165
111391230,0ptp4l0-21swapper/521:20:135
111391230,0ptp4l0-21swapper/521:20:135
111391230,0ptp4l0-21swapper/521:05:125
111391230,0ptp4l0-21swapper/521:00:195
111391230,0ptp4l0-21swapper/520:50:185
111391230,0ptp4l0-21swapper/520:45:205
111391230,0ptp4l0-21swapper/520:35:105
111391230,0ptp4l0-21swapper/519:45:145
111391230,0ptp4l0-21swapper/519:20:145
111391230,0ptp4l0-21swapper/500:10:245
111391230,0ptp4l0-21swapper/500:06:055
111391230,0ptp4l0-21swapper/423:45:164
111391230,0ptp4l0-21swapper/423:28:354
111391230,0ptp4l0-21swapper/421:20:184
111391230,0ptp4l0-21swapper/421:20:184
111391230,0ptp4l0-21swapper/400:25:234
111391230,0ptp4l0-21swapper/323:55:453
111391230,0ptp4l0-21swapper/223:52:252
111391230,0ptp4l0-21swapper/223:15:162
111391230,0ptp4l0-21swapper/223:10:172
111391230,0ptp4l0-21swapper/223:04:152
111391230,0ptp4l0-21swapper/222:53:512
111391230,0ptp4l0-21swapper/222:40:212
111391230,0ptp4l0-21swapper/221:25:192
111391230,0ptp4l0-21swapper/221:20:482
111391230,0ptp4l0-21swapper/221:20:482
111391230,0ptp4l0-21swapper/220:35:202
111391230,0ptp4l0-21swapper/220:30:202
111391230,0ptp4l0-21swapper/220:05:212
111391230,0ptp4l0-21swapper/219:35:112
111391230,0ptp4l0-21swapper/200:36:392
111391230,0ptp4l0-21swapper/123:40:121
111391230,0ptp4l0-21swapper/123:10:161
111391230,0ptp4l0-21swapper/122:50:141
111391230,0ptp4l0-21swapper/122:45:131
111391230,0ptp4l0-21swapper/121:55:141
111391230,0ptp4l0-21swapper/121:50:191
111391230,0ptp4l0-21swapper/121:45:161
111391230,0ptp4l0-21swapper/121:28:371
111391230,0ptp4l0-21swapper/121:10:141
111391230,0ptp4l0-21swapper/121:05:131
111391230,0ptp4l0-21swapper/120:16:391
111391230,0ptp4l0-21swapper/119:55:171
111391230,0ptp4l0-21swapper/119:45:101
111391230,0ptp4l0-21swapper/119:40:161
111391230,0ptp4l0-21swapper/119:25:131
111391230,0ptp4l0-21swapper/119:10:171
111391230,0ptp4l0-21swapper/100:05:131
111391230,0ptp4l0-21swapper/022:30:240
111391230,0ptp4l0-21swapper/021:32:010
111391230,0ptp4l0-21swapper/021:12:480
111391220,0ptp4l41-21ksoftirqd/322:34:153
111391220,0ptp4l0-21swapper/623:40:396
111391220,0ptp4l0-21swapper/622:53:056
111391220,0ptp4l0-21swapper/622:40:566
111391220,0ptp4l0-21swapper/622:29:546
111391220,0ptp4l0-21swapper/622:21:376
111391220,0ptp4l0-21swapper/621:47:586
111391220,0ptp4l0-21swapper/621:44:446
111391220,0ptp4l0-21swapper/621:37:146
111391220,0ptp4l0-21swapper/621:13:526
111391220,0ptp4l0-21swapper/600:28:006
111391220,0ptp4l0-21swapper/521:50:145
111391220,0ptp4l0-21swapper/520:55:125
111391220,0ptp4l0-21swapper/520:20:005
111391220,0ptp4l0-21swapper/520:15:215
111391220,0ptp4l0-21swapper/520:00:005
111391220,0ptp4l0-21swapper/519:25:135
111391220,0ptp4l0-21swapper/423:31:084
111391220,0ptp4l0-21swapper/421:48:134
111391220,0ptp4l0-21swapper/421:31:494
111391220,0ptp4l0-21swapper/400:38:554
111391220,0ptp4l0-21swapper/223:43:512
111391220,0ptp4l0-21swapper/223:37:062
111391220,0ptp4l0-21swapper/222:56:462
111391220,0ptp4l0-21swapper/222:26:592
111391220,0ptp4l0-21swapper/222:21:452
111391220,0ptp4l0-21swapper/222:13:222
111391220,0ptp4l0-21swapper/222:07:462
111391220,0ptp4l0-21swapper/221:48:212
111391220,0ptp4l0-21swapper/221:30:262
111391220,0ptp4l0-21swapper/221:15:422
111391220,0ptp4l0-21swapper/221:11:562
111391220,0ptp4l0-21swapper/200:27:182
111391220,0ptp4l0-21swapper/200:15:032
111391220,0ptp4l0-21swapper/123:25:041
111391220,0ptp4l0-21swapper/120:30:111
111391220,0ptp4l0-21swapper/120:25:161
111391220,0ptp4l0-21swapper/120:20:191
111391220,0ptp4l0-21swapper/120:10:141
111391220,0ptp4l0-21swapper/119:35:151
111391220,0ptp4l0-21swapper/023:43:200
111391220,0ptp4l0-21swapper/023:29:270
111391220,0ptp4l0-21swapper/023:12:110
111391220,0ptp4l0-21swapper/023:01:140
111391220,0ptp4l0-21swapper/022:50:140
111391220,0ptp4l0-21swapper/022:39:060
111391220,0ptp4l0-21swapper/022:20:440
111391220,0ptp4l0-21swapper/022:13:480
111391220,0ptp4l0-21swapper/000:33:380
111391210,0ptp4l18550-21diskmemload21:18:484
111391210,0ptp4l0-21swapper/623:55:196
111391210,0ptp4l0-21swapper/623:39:156
111391210,0ptp4l0-21swapper/623:28:116
111391210,0ptp4l0-21swapper/622:35:516
111391210,0ptp4l0-21swapper/622:00:456
111391210,0ptp4l0-21swapper/621:26:146
111391210,0ptp4l0-21swapper/600:33:586
111391210,0ptp4l0-21swapper/600:20:496
111391210,0ptp4l0-21swapper/520:05:005
111391210,0ptp4l0-21swapper/519:35:465
111391210,0ptp4l0-21swapper/423:36:394
111391210,0ptp4l0-21swapper/422:23:534
111391210,0ptp4l0-21swapper/422:02:014
111391210,0ptp4l0-21swapper/320:39:293
111391210,0ptp4l0-21swapper/223:27:372
111391210,0ptp4l0-21swapper/223:20:342
111391210,0ptp4l0-21swapper/222:18:422
111391210,0ptp4l0-21swapper/200:31:372
111391210,0ptp4l0-21swapper/120:09:011
111391210,0ptp4l0-21swapper/119:50:221
111391210,0ptp4l0-21swapper/023:59:030
111391210,0ptp4l0-21swapper/023:36:390
111391210,0ptp4l0-21swapper/023:34:410
111391210,0ptp4l0-21swapper/021:39:550
111391210,0ptp4l0-21swapper/019:35:140
111391210,0ptp4l0-21swapper/000:38:190
111391210,0ptp4l0-21swapper/000:12:500
111391200,0ptp4l0-21swapper/622:15:596
111391200,0ptp4l0-21swapper/619:15:176
111391200,0ptp4l0-21swapper/423:16:374
111391200,0ptp4l0-21swapper/423:12:124
111391200,0ptp4l0-21swapper/421:40:214
111391200,0ptp4l0-21swapper/400:19:254
111391200,0ptp4l0-21swapper/322:53:573
111391200,0ptp4l0-21swapper/322:35:023
111391200,0ptp4l0-21swapper/221:36:062
111391200,0ptp4l0-21swapper/219:31:152
111391200,0ptp4l0-21swapper/200:20:572
111391200,0ptp4l0-21swapper/023:50:270
111391200,0ptp4l0-21swapper/023:16:370
111391200,0ptp4l0-21swapper/023:05:180
111391200,0ptp4l0-21swapper/022:55:030
111391200,0ptp4l0-21swapper/021:57:170
111391200,0ptp4l0-21swapper/000:23:240
111391200,0ptp4l0-21swapper/000:02:250
111391200,0ptp4l0-21swapper/000:02:240
111391190,0ptp4l32641-21ssh22:51:474
111391190,0ptp4l0-21swapper/722:35:027
111391190,0ptp4l0-21swapper/623:20:386
111391190,0ptp4l0-21swapper/423:09:584
111391190,0ptp4l0-21swapper/422:35:244
111391190,0ptp4l0-21swapper/422:32:514
111391190,0ptp4l0-21swapper/422:27:174
111391190,0ptp4l0-21swapper/422:12:364
111391190,0ptp4l0-21swapper/422:05:414
111391190,0ptp4l0-21swapper/400:30:034
111391190,0ptp4l0-21swapper/400:22:474
111391190,0ptp4l0-21swapper/400:12:504
111391190,0ptp4l0-21swapper/222:47:282
111391190,0ptp4l0-21swapper/220:17:102
111391190,0ptp4l0-21swapper/023:23:010
111391190,0ptp4l0-21swapper/022:43:020
111391190,0ptp4l0-21swapper/022:06:520
111391190,0ptp4l0-21swapper/021:29:160
111391180,0ptp4l0-21swapper/722:53:597
111391180,0ptp4l0-21swapper/623:34:076
111391180,0ptp4l0-21swapper/621:57:126
111391180,0ptp4l0-21swapper/621:54:326
111391180,0ptp4l0-21swapper/423:50:434
111391180,0ptp4l0-21swapper/423:23:594
111391180,0ptp4l0-21swapper/422:15:244
111391180,0ptp4l0-21swapper/400:06:034
111391180,0ptp4l0-21swapper/221:57:072
111391180,0ptp4l0-21swapper/022:27:160
111391180,0ptp4l0-21swapper/022:19:580
111391180,0ptp4l0-21swapper/021:16:270
111391170,2ptp4l0-21swapper/020:03:100
111391170,0ptp4l0-21swapper/619:50:346
111391170,0ptp4l0-21swapper/421:58:104
111391170,0ptp4l0-21swapper/223:32:032
111391170,0ptp4l0-21swapper/022:00:530
111391170,0ptp4l0-21swapper/021:54:560
2780899160,1cyclictest0-21swapper/323:30:133
111391160,0ptp4l0-21swapper/720:38:537
111391160,0ptp4l0-21swapper/620:55:226
111391160,0ptp4l0-21swapper/619:28:546
111391160,0ptp4l0-21swapper/423:42:094
111391160,0ptp4l0-21swapper/422:58:564
111391160,0ptp4l0-21swapper/421:28:034
111391160,0ptp4l0-21swapper/221:50:302
111391160,0ptp4l0-21swapper/219:29:112
111391160,0ptp4l0-21swapper/219:15:172
111391160,0ptp4l0-21swapper/021:00:020
111391160,0ptp4l0-21swapper/020:19:420
111391160,0ptp4l0-21swapper/019:56:360
111391160,0ptp4l0-21swapper/019:40:330
27808991510,1cyclictest5040-21munin-run19:30:003
111391150,0ptp4l0-21swapper/719:40:387
111391150,0ptp4l0-21swapper/620:01:086
111391150,0ptp4l0-21swapper/619:33:086
111391150,0ptp4l0-21swapper/423:57:374
111391150,0ptp4l0-21swapper/422:42:384
111391150,0ptp4l0-21swapper/421:54:024
111391150,0ptp4l0-21swapper/420:53:564
111391150,0ptp4l0-21swapper/420:40:014
111391150,0ptp4l0-21swapper/420:33:364
111391150,0ptp4l0-21swapper/420:05:464
111391150,0ptp4l0-21swapper/419:56:194
111391150,0ptp4l0-21swapper/419:50:594
111391150,0ptp4l0-21swapper/419:45:524
111391150,0ptp4l0-21swapper/419:37:094
111391150,0ptp4l0-21swapper/419:22:114
111391150,0ptp4l0-21swapper/419:19:114
111391150,0ptp4l0-21swapper/419:10:034
111391150,0ptp4l0-21swapper/400:04:144
111391150,0ptp4l0-21swapper/400:04:144
111391150,0ptp4l0-21swapper/320:32:053
111391150,0ptp4l0-21swapper/319:40:373
111391150,0ptp4l0-21swapper/223:55:192
111391150,0ptp4l0-21swapper/222:39:162
111391150,0ptp4l0-21swapper/220:51:442
111391150,0ptp4l0-21swapper/220:01:062
111391150,0ptp4l0-21swapper/219:43:382
111391150,0ptp4l0-21swapper/021:08:150
111391150,0ptp4l0-21swapper/020:56:120
111391150,0ptp4l0-21swapper/020:52:420
111391150,0ptp4l0-21swapper/020:48:360
111391150,0ptp4l0-21swapper/020:39:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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