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2026-06-26 - 14:39

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 Fri Jun 26, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391660,4ptp4l0-21swapper/419:05:124
111391630,9ptp4l561ktimersoftd/519:06:125
111391610,5ptp4l0-21swapper/219:08:462
1451125734,7sleep00-21swapper/019:05:210
111391550,5ptp4l0-21swapper/619:06:516
111391530,5ptp4l0-21swapper/119:06:331
1467625232,6sleep70-21swapper/719:06:497
1483124635,7sleep30-21swapper/319:08:453
111391340,1ptp4l25309-21fw_conntrack23:05:131
111391330,0ptp4l0-21swapper/023:25:210
111391320,0ptp4l0-21swapper/022:37:540
111391310,0ptp4l0-21swapper/123:32:531
111391310,0ptp4l0-21swapper/023:55:180
111391310,0ptp4l0-21swapper/023:15:200
111391300,0ptp4l0-21swapper/100:37:521
111391300,0ptp4l0-21swapper/023:36:130
111391300,0ptp4l0-21swapper/022:19:470
111391290,0ptp4l4270-21ssh00:05:171
111391290,0ptp4l0-21swapper/523:17:305
111391290,0ptp4l0-21swapper/423:06:364
111391290,0ptp4l0-21swapper/419:50:164
111391280,0ptp4l0-21swapper/622:48:516
111391280,0ptp4l0-21swapper/521:40:015
111391280,0ptp4l0-21swapper/423:43:174
111391280,0ptp4l0-21swapper/423:00:484
111391280,0ptp4l0-21swapper/422:45:364
111391280,0ptp4l0-21swapper/400:16:394
111391280,0ptp4l0-21swapper/322:18:243
111391280,0ptp4l0-21swapper/121:10:311
111391280,0ptp4l0-21swapper/121:10:301
111391280,0ptp4l0-21swapper/120:40:181
111391280,0ptp4l0-21swapper/023:24:320
111391280,0ptp4l0-21swapper/022:49:470
111391280,0ptp4l0-21swapper/021:50:070
111391280,0ptp4l0-21swapper/020:58:550
111391280,0ptp4l0-21swapper/000:28:540
111391270,1ptp4l0-21swapper/022:24:180
111391270,0ptp4l0-21swapper/423:17:594
111391270,0ptp4l0-21swapper/422:44:324
111391270,0ptp4l0-21swapper/421:54:574
111391270,0ptp4l0-21swapper/421:34:074
111391270,0ptp4l0-21swapper/023:40:180
111391270,0ptp4l0-21swapper/022:32:010
111391270,0ptp4l0-21swapper/022:01:460
111391270,0ptp4l0-21swapper/021:36:120
111391270,0ptp4l0-21swapper/021:28:080
111391270,0ptp4l0-21swapper/000:37:260
111391270,0ptp4l0-21swapper/000:32:310
111391260,4ptp4l0-21swapper/022:12:590
111391260,0ptp4l0-21swapper/422:56:424
111391260,0ptp4l0-21swapper/422:54:264
111391260,0ptp4l0-21swapper/422:32:214
111391260,0ptp4l0-21swapper/422:06:314
111391260,0ptp4l0-21swapper/421:57:064
111391260,0ptp4l0-21swapper/421:47:464
111391260,0ptp4l0-21swapper/421:24:534
111391260,0ptp4l0-21swapper/421:18:264
111391260,0ptp4l0-21swapper/419:35:164
111391260,0ptp4l0-21swapper/400:30:144
111391260,0ptp4l0-21swapper/400:25:434
111391260,0ptp4l0-21swapper/400:00:234
111391260,0ptp4l0-21swapper/023:46:000
111391260,0ptp4l0-21swapper/021:46:300
111391260,0ptp4l0-21swapper/000:00:380
111391250,1ptp4l32561-21df_inode22:30:121
111391250,1ptp4l31673-21munin-run19:45:000
111391250,0ptp4l121rcu_preempt22:22:387
111391250,0ptp4l0-21swapper/522:29:185
111391250,0ptp4l0-21swapper/522:17:445
111391250,0ptp4l0-21swapper/522:12:165
111391250,0ptp4l0-21swapper/422:21:444
111391250,0ptp4l0-21swapper/422:15:374
111391250,0ptp4l0-21swapper/421:38:124
111391250,0ptp4l0-21swapper/419:40:124
111391250,0ptp4l0-21swapper/221:29:392
111391250,0ptp4l0-21swapper/123:53:121
111391250,0ptp4l0-21swapper/123:53:121
111391250,0ptp4l0-21swapper/122:47:591
111391250,0ptp4l0-21swapper/122:35:131
111391250,0ptp4l0-21swapper/122:05:251
111391250,0ptp4l0-21swapper/121:58:391
111391250,0ptp4l0-21swapper/121:37:581
111391250,0ptp4l0-21swapper/121:23:441
111391250,0ptp4l0-21swapper/023:50:150
111391250,0ptp4l0-21swapper/023:50:140
111391250,0ptp4l0-21swapper/022:55:050
111391250,0ptp4l0-21swapper/021:44:530
111391250,0ptp4l0-21swapper/021:11:540
111391250,0ptp4l0-21swapper/021:11:540
111391250,0ptp4l0-21swapper/019:20:180
111391240,1ptp4l9703-21latency_hist00:15:014
111391240,1ptp4l7311-21missed_timers21:10:174
111391240,1ptp4l7311-21missed_timers21:10:174
111391240,1ptp4l5444-21wc19:55:185
111391240,1ptp4l4324-21df_inode21:05:124
111391240,1ptp4l29155-21cat23:10:150
111391240,1ptp4l2856-21smartctl21:00:191
111391240,1ptp4l25442-21df_inode19:30:110
111391240,1ptp4l2228-21df19:50:111
111391240,1ptp4l18223-21diskstats23:40:125
111391240,1ptp4l15391-21munin-run20:19:590
111391240,1ptp4l14934-21cut22:05:170
111391240,1ptp4l14222-21diskstats21:20:120
111391240,1ptp4l13197-21fw_forwarded_lo00:20:140
111391240,0ptp4l0-21swapper/523:26:095
111391240,0ptp4l0-21swapper/522:42:305
111391240,0ptp4l0-21swapper/519:50:005
111391240,0ptp4l0-21swapper/421:41:154
111391240,0ptp4l0-21swapper/419:15:164
111391240,0ptp4l0-21swapper/322:02:493
111391240,0ptp4l0-21swapper/200:30:172
111391240,0ptp4l0-21swapper/122:43:341
111391240,0ptp4l0-21swapper/122:10:131
111391240,0ptp4l0-21swapper/121:54:421
111391240,0ptp4l0-21swapper/023:34:510
111391240,0ptp4l0-21swapper/022:25:160
111391240,0ptp4l0-21swapper/021:34:170
111391240,0ptp4l0-21swapper/021:15:120
111391240,0ptp4l0-21swapper/000:10:120
111391230,1ptp4l32115-21grep19:45:100
111391230,1ptp4l16736-21phc2sys20:20:160
111391230,1ptp4l15432-21/usr/sbin/munin23:35:184
111391230,0ptp4l18368-21cpuspeed_turbos19:15:111
111391230,0ptp4l0-21swapper/721:27:257
111391230,0ptp4l0-21swapper/523:31:515
111391230,0ptp4l0-21swapper/523:14:565
111391230,0ptp4l0-21swapper/523:05:185
111391230,0ptp4l0-21swapper/522:33:125
111391230,0ptp4l0-21swapper/521:54:435
111391230,0ptp4l0-21swapper/521:30:145
111391230,0ptp4l0-21swapper/520:50:115
111391230,0ptp4l0-21swapper/520:45:005
111391230,0ptp4l0-21swapper/520:25:125
111391230,0ptp4l0-21swapper/519:25:135
111391230,0ptp4l0-21swapper/500:30:505
111391230,0ptp4l0-21swapper/500:26:275
111391230,0ptp4l0-21swapper/423:59:414
111391230,0ptp4l0-21swapper/423:50:114
111391230,0ptp4l0-21swapper/423:50:114
111391230,0ptp4l0-21swapper/423:49:234
111391230,0ptp4l0-21swapper/423:31:024
111391230,0ptp4l0-21swapper/423:25:124
111391230,0ptp4l0-21swapper/423:23:074
111391230,0ptp4l0-21swapper/422:00:154
111391230,0ptp4l0-21swapper/421:25:124
111391230,0ptp4l0-21swapper/420:55:104
111391230,0ptp4l0-21swapper/420:50:104
111391230,0ptp4l0-21swapper/420:35:194
111391230,0ptp4l0-21swapper/420:20:104
111391230,0ptp4l0-21swapper/420:15:194
111391230,0ptp4l0-21swapper/420:10:114
111391230,0ptp4l0-21swapper/420:05:204
111391230,0ptp4l0-21swapper/420:00:174
111391230,0ptp4l0-21swapper/419:30:114
111391230,0ptp4l0-21swapper/419:20:174
111391230,0ptp4l0-21swapper/400:35:204
111391230,0ptp4l0-21swapper/400:20:144
111391230,0ptp4l0-21swapper/400:05:204
111391230,0ptp4l0-21swapper/323:11:403
111391230,0ptp4l0-21swapper/221:00:152
111391230,0ptp4l0-21swapper/123:10:201
111391230,0ptp4l0-21swapper/122:20:161
111391230,0ptp4l0-21swapper/121:30:151
111391230,0ptp4l0-21swapper/121:26:521
111391230,0ptp4l0-21swapper/119:55:191
111391230,0ptp4l0-21swapper/119:25:141
111391230,0ptp4l0-21swapper/100:13:211
111391230,0ptp4l0-21swapper/100:05:001
111391230,0ptp4l0-21swapper/023:00:180
111391230,0ptp4l0-21swapper/022:50:180
111391230,0ptp4l0-21swapper/022:40:100
111391230,0ptp4l0-21swapper/021:55:190
111391230,0ptp4l0-21swapper/021:05:140
111391230,0ptp4l0-21swapper/021:00:150
111391230,0ptp4l0-21swapper/020:35:130
111391230,0ptp4l0-21swapper/020:25:150
111391230,0ptp4l0-21swapper/019:52:230
111391230,0ptp4l0-21swapper/019:35:130
111391230,0ptp4l0-21swapper/019:15:190
111391230,0ptp4l0-21swapper/000:17:240
111391230,0ptp4l0-21swapper/000:08:580
111391220,1ptp4l9355-21if_virbr020:05:155
111391220,0ptp4l0-21swapper/722:19:117
111391220,0ptp4l0-21swapper/722:01:577
111391220,0ptp4l0-21swapper/600:30:186
111391220,0ptp4l0-21swapper/523:59:125
111391220,0ptp4l0-21swapper/523:53:525
111391220,0ptp4l0-21swapper/523:53:525
111391220,0ptp4l0-21swapper/523:38:265
111391220,0ptp4l0-21swapper/522:35:135
111391220,0ptp4l0-21swapper/522:20:495
111391220,0ptp4l0-21swapper/522:05:015
111391220,0ptp4l0-21swapper/522:04:385
111391220,0ptp4l0-21swapper/521:17:505
111391220,0ptp4l0-21swapper/521:15:015
111391220,0ptp4l0-21swapper/521:15:015
111391220,0ptp4l0-21swapper/521:00:185
111391220,0ptp4l0-21swapper/520:10:185
111391220,0ptp4l0-21swapper/519:35:125
111391220,0ptp4l0-21swapper/519:15:115
111391220,0ptp4l0-21swapper/519:10:175
111391220,0ptp4l0-21swapper/500:39:055
111391220,0ptp4l0-21swapper/500:05:185
111391220,0ptp4l0-21swapper/500:02:095
111391220,0ptp4l0-21swapper/423:10:074
111391220,0ptp4l0-21swapper/422:35:184
111391220,0ptp4l0-21swapper/422:25:174
111391220,0ptp4l0-21swapper/422:10:154
111391220,0ptp4l0-21swapper/420:42:334
111391220,0ptp4l0-21swapper/420:30:144
111391220,0ptp4l0-21swapper/419:55:154
111391220,0ptp4l0-21swapper/419:45:004
111391220,0ptp4l0-21swapper/419:10:074
111391220,0ptp4l0-21swapper/321:27:133
111391220,0ptp4l0-21swapper/219:45:112
111391220,0ptp4l0-21swapper/219:10:012
111391220,0ptp4l0-21swapper/123:39:421
111391220,0ptp4l0-21swapper/123:21:571
111391220,0ptp4l0-21swapper/123:15:131
111391220,0ptp4l0-21swapper/122:56:331
111391220,0ptp4l0-21swapper/122:16:051
111391220,0ptp4l0-21swapper/121:15:201
111391220,0ptp4l0-21swapper/120:45:161
111391220,0ptp4l0-21swapper/120:25:111
111391220,0ptp4l0-21swapper/120:20:171
111391220,0ptp4l0-21swapper/120:05:111
111391220,0ptp4l0-21swapper/119:47:541
111391220,0ptp4l0-21swapper/119:10:161
111391220,0ptp4l0-21swapper/100:29:231
111391220,0ptp4l0-21swapper/023:06:260
111391220,0ptp4l0-21swapper/020:50:120
111391220,0ptp4l0-21swapper/020:30:120
111391220,0ptp4l0-21swapper/020:10:120
111391220,0ptp4l0-21swapper/020:00:110
111391220,0ptp4l0-21swapper/019:55:160
111391210,0ptp4l6317-21kworker/1:100:31:191
111391210,0ptp4l0-21swapper/523:22:225
111391210,0ptp4l0-21swapper/523:02:295
111391210,0ptp4l0-21swapper/522:56:305
111391210,0ptp4l0-21swapper/522:54:105
111391210,0ptp4l0-21swapper/522:45:195
111391210,0ptp4l0-21swapper/521:55:115
111391210,0ptp4l0-21swapper/521:36:445
111391210,0ptp4l0-21swapper/521:22:175
111391210,0ptp4l0-21swapper/520:40:145
111391210,0ptp4l0-21swapper/519:20:015
111391210,0ptp4l0-21swapper/500:13:285
111391210,0ptp4l0-21swapper/420:29:534
111391210,0ptp4l0-21swapper/322:22:533
111391210,0ptp4l0-21swapper/319:43:303
111391210,0ptp4l0-21swapper/223:21:532
111391210,0ptp4l0-21swapper/200:37:062
111391210,0ptp4l0-21swapper/123:58:121
111391210,0ptp4l0-21swapper/123:42:531
111391210,0ptp4l0-21swapper/123:26:011
111391210,0ptp4l0-21swapper/123:02:251
111391210,0ptp4l0-21swapper/122:04:551
111391210,0ptp4l0-21swapper/121:47:181
111391210,0ptp4l0-21swapper/121:41:011
111391210,0ptp4l0-21swapper/120:35:451
111391210,0ptp4l0-21swapper/120:10:161
111391210,0ptp4l0-21swapper/020:05:540
111391200,1ptp4l23740-21ssh23:47:115
111391200,0ptp4l0-21swapper/723:11:427
111391200,0ptp4l0-21swapper/600:37:076
111391200,0ptp4l0-21swapper/521:07:555
111391200,0ptp4l0-21swapper/520:36:125
111391200,0ptp4l0-21swapper/520:04:475
111391200,0ptp4l0-21swapper/519:42:235
111391200,0ptp4l0-21swapper/500:22:485
111391200,0ptp4l0-21swapper/419:26:534
111391200,0ptp4l0-21swapper/322:12:253
111391200,0ptp4l0-21swapper/221:22:422
111391200,0ptp4l0-21swapper/122:52:271
111391200,0ptp4l0-21swapper/122:27:091
111391200,0ptp4l0-21swapper/120:50:011
111391200,0ptp4l0-21swapper/120:32:541
111391200,0ptp4l0-21swapper/119:40:541
111391200,0ptp4l0-21swapper/119:34:531
111391200,0ptp4l0-21swapper/119:24:001
111391200,0ptp4l0-21swapper/100:22:581
111391200,0ptp4l0-21swapper/020:41:280
111391200,0ptp4l0-21swapper/019:25:520
111391200,0ptp4l0-21swapper/019:10:200
111391190,0ptp4l0-21swapper/722:12:247
111391190,0ptp4l0-21swapper/719:44:487
111391190,0ptp4l0-21swapper/521:47:245
111391190,0ptp4l0-21swapper/520:33:025
111391190,0ptp4l0-21swapper/520:18:545
111391190,0ptp4l0-21swapper/500:17:205
111391190,0ptp4l0-21swapper/222:09:212
111391190,0ptp4l0-21swapper/123:45:011
111391190,0ptp4l0-21swapper/100:17:171
111391190,0ptp4l0-21swapper/020:47:480
111391180,0ptp4l0-21swapper/621:22:466
111391180,0ptp4l0-21swapper/600:16:536
111391180,0ptp4l0-21swapper/600:06:456
111391180,0ptp4l0-21swapper/519:48:035
111391180,0ptp4l0-21swapper/120:19:141
111391170,2ptp4l0-21swapper/119:37:241
111391170,0ptp4l0-21swapper/621:28:466
111391170,0ptp4l0-21swapper/421:00:204
111391170,0ptp4l0-21swapper/200:16:512
111391160,0ptp4l0-21swapper/621:53:516
111391160,0ptp4l0-21swapper/519:32:425
111391160,0ptp4l0-21swapper/420:48:134
111391160,0ptp4l0-21swapper/222:34:522
111391160,0ptp4l0-21swapper/121:05:061
111391160,0ptp4l0-21swapper/120:55:381
111391150,0ptp4l0-21swapper/622:09:216
111391150,0ptp4l0-21swapper/621:07:576
111391150,0ptp4l0-21swapper/620:04:246
111391150,0ptp4l0-21swapper/619:32:206
111391150,0ptp4l0-21swapper/619:17:356
111391150,0ptp4l0-21swapper/520:55:455
111391150,0ptp4l0-21swapper/520:21:065
111391150,0ptp4l0-21swapper/221:53:522
111391150,0ptp4l0-21swapper/220:56:332
111391150,0ptp4l0-21swapper/220:21:442
111391150,0ptp4l0-21swapper/120:00:311
15218991412,1cyclictest0-21swapper/300:35:143
111391140,0ptp4l0-21swapper/720:23:007
111391140,0ptp4l0-21swapper/621:04:316
111391140,0ptp4l0-21swapper/620:56:326
111391140,0ptp4l0-21swapper/620:31:006
111391140,0ptp4l0-21swapper/620:21:396
111391140,0ptp4l0-21swapper/619:53:346
111391140,0ptp4l0-21swapper/619:10:026
111391140,0ptp4l0-21swapper/521:26:515
111391140,0ptp4l0-21swapper/320:22:593
111391140,0ptp4l0-21swapper/222:48:502
111391140,0ptp4l0-21swapper/221:07:562
111391140,0ptp4l0-21swapper/220:31:002
111391140,0ptp4l0-21swapper/220:26:432
111391140,0ptp4l0-21swapper/220:01:542
111391140,0ptp4l0-21swapper/219:53:352
111391140,0ptp4l0-21swapper/219:32:172
111391140,0ptp4l0-21swapper/219:17:252
15218991311,1cyclictest31876-21munin-run22:30:003
111391130,0ptp4l0-21swapper/223:45:092
1523999110,10cyclictest0-21swapper/623:12:576
1521899119,1cyclictest29140-21turbostat20:50:003
1523999109,0cyclictest0-21swapper/623:57:446
1523999109,0cyclictest0-21swapper/622:10:436
1523999100,1cyclictest23683-21ssh21:32:596
1523999100,0cyclictest0-21swapper/622:28:576
1523999100,0cyclictest0-21swapper/621:58:566
1521899108,1cyclictest1593-21munin-run19:50:003
1521899100,9cyclictest13730-21df_inode20:15:113
1521899100,9cyclictest0-21swapper/321:10:133
1521899100,9cyclictest0-21swapper/321:10:133
1521199109,0cyclictest0-21swapper/223:51:382
1521199109,0cyclictest0-21swapper/223:51:382
1521199109,0cyclictest0-21swapper/223:14:142
1521199109,0cyclictest0-21swapper/223:08:062
1521199109,0cyclictest0-21swapper/222:52:422
1521199109,0cyclictest0-21swapper/200:27:472
1521199109,0cyclictest0-21swapper/200:12:232
1521199100,9cyclictest0-21swapper/221:55:202
1521199100,0cyclictest0-21swapper/223:01:582
1521199100,0cyclictest0-21swapper/221:32:332
152479998,0cyclictest0-21swapper/721:47:257
152479990,8cyclictest0-21swapper/723:25:017
152479990,8cyclictest0-21swapper/722:31:247
152479990,8cyclictest0-21swapper/700:05:347
152479990,7cyclictest110891getstats23:21:027
152479990,0cyclictest0-21swapper/723:39:477
152479990,0cyclictest0-21swapper/700:25:407
152399998,0cyclictest0-21swapper/623:40:186
152399998,0cyclictest0-21swapper/623:22:516
152399998,0cyclictest0-21swapper/622:04:456
152399998,0cyclictest0-21swapper/621:14:556
152399998,0cyclictest0-21swapper/621:14:546
152399998,0cyclictest0-21swapper/600:11:436
152399990,0cyclictest0-21swapper/623:50:496
152399990,0cyclictest0-21swapper/623:50:496
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