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2026-04-29 - 14:59

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 Wed Apr 29, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1629926150,6sleep70-21swapper/719:05:017
111391610,1ptp4l0-21swapper/519:09:555
111391600,5ptp4l0-21swapper/119:07:301
111391580,19ptp4l0-21swapper/419:05:164
75062570,0sleep60-21swapper/621:45:346
111391510,6ptp4l0-21swapper/019:05:130
1799824938,7sleep20-21swapper/219:07:052
1795624935,9sleep60-21swapper/619:06:376
1818124736,7sleep30-21swapper/319:09:303
111391380,1ptp4l28246-21cpuspeed_turbos23:40:134
111391330,1ptp4l14505-21users23:20:180
111391330,0ptp4l0-21swapper/721:30:137
111391330,0ptp4l0-21swapper/423:50:144
111391320,0ptp4l10780-21diskmemload00:00:004
111391320,0ptp4l0-21swapper/721:37:257
111391320,0ptp4l0-21swapper/423:34:444
111391320,0ptp4l0-21swapper/323:55:003
111391320,0ptp4l0-21swapper/023:10:220
111391320,0ptp4l0-21swapper/022:40:220
111391310,0ptp4l0-21swapper/722:45:167
111391310,0ptp4l0-21swapper/722:37:417
111391310,0ptp4l0-21swapper/421:28:024
111391310,0ptp4l0-21swapper/420:00:134
111391300,0ptp4l31774-21ssh22:19:160
111391300,0ptp4l0-21swapper/422:59:074
111391300,0ptp4l0-21swapper/422:59:074
111391300,0ptp4l0-21swapper/422:33:144
111391300,0ptp4l0-21swapper/422:05:534
111391300,0ptp4l0-21swapper/421:48:144
111391300,0ptp4l0-21swapper/400:31:144
111391300,0ptp4l0-21swapper/400:15:174
111391300,0ptp4l0-21swapper/023:42:250
111391300,0ptp4l0-21swapper/023:33:000
111391300,0ptp4l0-21swapper/023:05:190
111391300,0ptp4l0-21swapper/000:37:030
111391290,0ptp4l10780-21diskmemload22:59:310
111391290,0ptp4l10780-21diskmemload22:59:310
111391290,0ptp4l0-21swapper/723:03:087
111391290,0ptp4l0-21swapper/722:00:177
111391290,0ptp4l0-21swapper/423:08:584
111391290,0ptp4l0-21swapper/421:14:174
111391290,0ptp4l0-21swapper/400:27:534
111391290,0ptp4l0-21swapper/321:19:213
111391290,0ptp4l0-21swapper/023:46:130
111391290,0ptp4l0-21swapper/021:25:100
111391290,0ptp4l0-21swapper/000:03:270
111391280,0ptp4l0-21swapper/423:29:284
111391280,0ptp4l0-21swapper/422:20:084
111391280,0ptp4l0-21swapper/422:12:364
111391280,0ptp4l0-21swapper/022:53:310
111391280,0ptp4l0-21swapper/022:09:170
111391280,0ptp4l0-21swapper/022:02:320
111391280,0ptp4l0-21swapper/019:54:550
111391280,0ptp4l0-21swapper/019:35:220
111391280,0ptp4l0-21swapper/000:22:530
111391270,2ptp4l0-21swapper/021:49:500
111391270,1ptp4l0-21swapper/021:35:190
111391270,0ptp4l0-21swapper/722:52:117
111391270,0ptp4l0-21swapper/423:37:244
111391270,0ptp4l0-21swapper/423:19:054
111391270,0ptp4l0-21swapper/421:54:134
111391270,0ptp4l0-21swapper/420:40:504
111391270,0ptp4l0-21swapper/419:55:174
111391270,0ptp4l0-21swapper/023:50:200
111391270,0ptp4l0-21swapper/023:37:190
111391270,0ptp4l0-21swapper/022:27:130
111391270,0ptp4l0-21swapper/021:32:070
111391270,0ptp4l0-21swapper/000:33:120
111391260,2ptp4l0-21swapper/400:03:104
111391260,1ptp4l4408-21cpuspeed_turbos00:35:114
111391260,0ptp4l0-21swapper/421:55:124
111391260,0ptp4l0-21swapper/421:39:044
111391260,0ptp4l0-21swapper/400:21:594
111391260,0ptp4l0-21swapper/322:36:323
111391260,0ptp4l0-21swapper/321:59:043
111391250,1ptp4l4929-21irqrtprio19:45:144
111391250,1ptp4l31813-21munin-run19:35:004
111391250,1ptp4l29440-21memory22:15:174
111391250,1ptp4l13718-21diskstats21:55:120
111391250,1ptp4l0-21swapper/123:04:331
111391250,0ptp4l0-21swapper/722:14:137
111391250,0ptp4l0-21swapper/721:19:217
111391250,0ptp4l0-21swapper/720:57:387
111391250,0ptp4l0-21swapper/720:45:177
111391250,0ptp4l0-21swapper/423:49:204
111391250,0ptp4l0-21swapper/423:20:114
111391250,0ptp4l0-21swapper/422:41:564
111391250,0ptp4l0-21swapper/422:04:064
111391250,0ptp4l0-21swapper/420:35:004
111391250,0ptp4l0-21swapper/322:40:023
111391250,0ptp4l0-21swapper/322:00:113
111391250,0ptp4l0-21swapper/321:34:443
111391250,0ptp4l0-21swapper/120:35:201
111391250,0ptp4l0-21swapper/023:29:460
111391250,0ptp4l0-21swapper/022:20:170
111391250,0ptp4l0-21swapper/021:00:160
111391250,0ptp4l0-21swapper/020:40:140
111391250,0ptp4l0-21swapper/020:30:150
111391250,0ptp4l0-21swapper/000:16:280
111391250,0ptp4l0-21swapper/000:05:160
111391240,1ptp4l27503-21latency_hist19:25:004
111391240,1ptp4l2192-21df21:40:131
111391240,1ptp4l21435-21smart_sda19:15:010
111391240,1ptp4l20642-21sh19:15:004
111391240,1ptp4l20577-21/usr/sbin/munin20:20:121
111391240,1ptp4l20577-21/usr/sbin/munin20:20:121
111391240,1ptp4l16249-21df_inode20:10:120
111391240,0ptp4l0-21swapper/723:55:137
111391240,0ptp4l0-21swapper/522:59:115
111391240,0ptp4l0-21swapper/522:59:115
111391240,0ptp4l0-21swapper/521:46:275
111391240,0ptp4l0-21swapper/521:40:145
111391240,0ptp4l0-21swapper/500:25:155
111391240,0ptp4l0-21swapper/422:25:244
111391240,0ptp4l0-21swapper/421:42:364
111391240,0ptp4l0-21swapper/421:22:334
111391240,0ptp4l0-21swapper/420:05:184
111391240,0ptp4l0-21swapper/322:50:113
111391240,0ptp4l0-21swapper/322:45:193
111391240,0ptp4l0-21swapper/321:36:313
111391240,0ptp4l0-21swapper/123:53:551
111391240,0ptp4l0-21swapper/122:18:001
111391240,0ptp4l0-21swapper/022:34:280
111391240,0ptp4l0-21swapper/022:10:170
111391240,0ptp4l0-21swapper/021:10:200
111391240,0ptp4l0-21swapper/000:28:520
111391230,1ptp4l6793-21cpuspeed_turbos19:50:121
111391230,1ptp4l32053-21cpu20:45:124
111391230,1ptp4l25-21ksoftirqd/122:20:131
111391230,1ptp4l10780-21diskmemload21:12:275
111391230,0ptp4l0-21swapper/721:58:357
111391230,0ptp4l0-21swapper/721:20:127
111391230,0ptp4l0-21swapper/721:05:127
111391230,0ptp4l0-21swapper/719:40:167
111391230,0ptp4l0-21swapper/523:59:145
111391230,0ptp4l0-21swapper/523:23:055
111391230,0ptp4l0-21swapper/522:33:005
111391230,0ptp4l0-21swapper/522:10:115
111391230,0ptp4l0-21swapper/522:05:005
111391230,0ptp4l0-21swapper/521:57:165
111391230,0ptp4l0-21swapper/521:15:145
111391230,0ptp4l0-21swapper/520:35:185
111391230,0ptp4l0-21swapper/519:35:165
111391230,0ptp4l0-21swapper/519:25:165
111391230,0ptp4l0-21swapper/519:20:205
111391230,0ptp4l0-21swapper/423:10:144
111391230,0ptp4l0-21swapper/423:00:154
111391230,0ptp4l0-21swapper/421:30:204
111391230,0ptp4l0-21swapper/421:16:574
111391230,0ptp4l0-21swapper/421:00:134
111391230,0ptp4l0-21swapper/420:55:134
111391230,0ptp4l0-21swapper/420:50:164
111391230,0ptp4l0-21swapper/420:25:134
111391230,0ptp4l0-21swapper/420:15:124
111391230,0ptp4l0-21swapper/420:15:124
111391230,0ptp4l0-21swapper/420:11:284
111391230,0ptp4l0-21swapper/419:17:074
111391230,0ptp4l0-21swapper/400:10:144
111391230,0ptp4l0-21swapper/400:06:494
111391230,0ptp4l0-21swapper/323:52:403
111391230,0ptp4l0-21swapper/322:28:483
111391230,0ptp4l0-21swapper/321:20:163
111391230,0ptp4l0-21swapper/319:40:123
111391230,0ptp4l0-21swapper/123:40:231
111391230,0ptp4l0-21swapper/122:55:561
111391230,0ptp4l0-21swapper/122:55:561
111391230,0ptp4l0-21swapper/122:40:551
111391230,0ptp4l0-21swapper/122:35:181
111391230,0ptp4l0-21swapper/121:25:391
111391230,0ptp4l0-21swapper/121:15:131
111391230,0ptp4l0-21swapper/120:25:171
111391230,0ptp4l0-21swapper/119:20:191
111391230,0ptp4l0-21swapper/100:26:001
111391230,0ptp4l0-21swapper/100:20:141
111391230,0ptp4l0-21swapper/023:55:190
111391230,0ptp4l0-21swapper/023:17:510
111391230,0ptp4l0-21swapper/023:02:000
111391230,0ptp4l0-21swapper/021:41:080
111391230,0ptp4l0-21swapper/021:21:420
111391230,0ptp4l0-21swapper/020:48:030
111391230,0ptp4l0-21swapper/020:35:130
111391230,0ptp4l0-21swapper/020:25:120
111391230,0ptp4l0-21swapper/020:15:180
111391230,0ptp4l0-21swapper/020:15:180
111391230,0ptp4l0-21swapper/019:33:320
111391230,0ptp4l0-21swapper/000:10:180
111391220,0ptp4l0-21swapper/723:51:477
111391220,0ptp4l0-21swapper/721:28:387
111391220,0ptp4l0-21swapper/523:54:435
111391220,0ptp4l0-21swapper/523:47:415
111391220,0ptp4l0-21swapper/523:40:355
111391220,0ptp4l0-21swapper/523:16:515
111391220,0ptp4l0-21swapper/523:03:445
111391220,0ptp4l0-21swapper/522:39:505
111391220,0ptp4l0-21swapper/522:26:395
111391220,0ptp4l0-21swapper/522:03:205
111391220,0ptp4l0-21swapper/521:52:355
111391220,0ptp4l0-21swapper/521:39:595
111391220,0ptp4l0-21swapper/521:26:565
111391220,0ptp4l0-21swapper/520:45:135
111391220,0ptp4l0-21swapper/520:15:115
111391220,0ptp4l0-21swapper/520:15:115
111391220,0ptp4l0-21swapper/519:50:135
111391220,0ptp4l0-21swapper/519:30:145
111391220,0ptp4l0-21swapper/500:36:165
111391220,0ptp4l0-21swapper/500:20:085
111391220,0ptp4l0-21swapper/500:18:595
111391220,0ptp4l0-21swapper/500:06:295
111391220,0ptp4l0-21swapper/422:35:024
111391220,0ptp4l0-21swapper/420:35:054
111391220,0ptp4l0-21swapper/419:45:004
111391220,0ptp4l0-21swapper/419:37:024
111391220,0ptp4l0-21swapper/323:00:503
111391220,0ptp4l0-21swapper/322:55:133
111391220,0ptp4l0-21swapper/322:55:133
111391220,0ptp4l0-21swapper/321:29:043
111391220,0ptp4l0-21swapper/321:05:133
111391220,0ptp4l0-21swapper/320:45:153
111391220,0ptp4l0-21swapper/319:37:583
111391220,0ptp4l0-21swapper/319:22:493
111391220,0ptp4l0-21swapper/319:10:233
111391220,0ptp4l0-21swapper/123:58:561
111391220,0ptp4l0-21swapper/123:48:451
111391220,0ptp4l0-21swapper/123:39:581
111391220,0ptp4l0-21swapper/123:26:291
111391220,0ptp4l0-21swapper/123:21:271
111391220,0ptp4l0-21swapper/123:12:471
111391220,0ptp4l0-21swapper/122:34:091
111391220,0ptp4l0-21swapper/122:10:121
111391220,0ptp4l0-21swapper/122:01:001
111391220,0ptp4l0-21swapper/121:57:181
111391220,0ptp4l0-21swapper/121:51:331
111391220,0ptp4l0-21swapper/121:31:121
111391220,0ptp4l0-21swapper/120:45:121
111391220,0ptp4l0-21swapper/119:30:171
111391220,0ptp4l0-21swapper/119:25:171
111391220,0ptp4l0-21swapper/119:10:131
111391220,0ptp4l0-21swapper/100:38:391
111391220,0ptp4l0-21swapper/100:32:161
111391220,0ptp4l0-21swapper/100:16:511
111391220,0ptp4l0-21swapper/100:00:041
111391220,0ptp4l0-21swapper/022:35:110
111391220,0ptp4l0-21swapper/021:50:140
111391220,0ptp4l0-21swapper/021:15:120
111391220,0ptp4l0-21swapper/021:05:020
111391220,0ptp4l0-21swapper/020:55:180
111391220,0ptp4l0-21swapper/020:51:480
111391220,0ptp4l0-21swapper/020:23:120
111391220,0ptp4l0-21swapper/020:23:120
111391220,0ptp4l0-21swapper/020:05:150
111391220,0ptp4l0-21swapper/020:00:140
111391220,0ptp4l0-21swapper/019:55:180
111391220,0ptp4l0-21swapper/019:45:140
111391220,0ptp4l0-21swapper/019:20:150
111391220,0ptp4l0-21swapper/019:14:050
111391210,0ptp4l32272-21ssh21:35:281
111391210,0ptp4l0-21swapper/722:40:097
111391210,0ptp4l0-21swapper/722:28:507
111391210,0ptp4l0-21swapper/719:10:167
111391210,0ptp4l0-21swapper/523:34:085
111391210,0ptp4l0-21swapper/523:26:325
111391210,0ptp4l0-21swapper/523:11:105
111391210,0ptp4l0-21swapper/522:52:405
111391210,0ptp4l0-21swapper/522:43:085
111391210,0ptp4l0-21swapper/522:20:145
111391210,0ptp4l0-21swapper/522:17:575
111391210,0ptp4l0-21swapper/521:23:525
111391210,0ptp4l0-21swapper/520:20:125
111391210,0ptp4l0-21swapper/520:20:125
111391210,0ptp4l0-21swapper/500:30:435
111391210,0ptp4l0-21swapper/500:00:425
111391210,0ptp4l0-21swapper/420:24:164
111391210,0ptp4l0-21swapper/420:24:164
111391210,0ptp4l0-21swapper/419:50:164
111391210,0ptp4l0-21swapper/419:28:274
111391210,0ptp4l0-21swapper/322:14:123
111391210,0ptp4l0-21swapper/123:33:441
111391210,0ptp4l0-21swapper/123:16:121
111391210,0ptp4l0-21swapper/123:07:281
111391210,0ptp4l0-21swapper/122:53:321
111391210,0ptp4l0-21swapper/122:25:361
111391210,0ptp4l0-21swapper/122:06:481
111391210,0ptp4l0-21swapper/121:46:361
111391210,0ptp4l0-21swapper/121:12:191
111391210,0ptp4l0-21swapper/119:48:521
111391200,0ptp4l57-21ksoftirqd/523:07:085
111391200,0ptp4l0-21swapper/719:45:507
111391200,0ptp4l0-21swapper/600:21:516
111391200,0ptp4l0-21swapper/523:35:355
111391200,0ptp4l0-21swapper/521:34:125
111391200,0ptp4l0-21swapper/520:55:335
111391200,0ptp4l0-21swapper/520:25:175
111391200,0ptp4l0-21swapper/422:53:214
111391200,0ptp4l0-21swapper/323:10:063
111391200,0ptp4l0-21swapper/322:30:033
111391200,0ptp4l0-21swapper/322:24:413
111391200,0ptp4l0-21swapper/320:53:483
111391200,0ptp4l0-21swapper/300:18:003
111391200,0ptp4l0-21swapper/121:24:071
111391200,0ptp4l0-21swapper/100:06:171
111391190,0ptp4l0-21swapper/722:55:147
111391190,0ptp4l0-21swapper/722:55:147
111391190,0ptp4l0-21swapper/722:30:057
111391190,0ptp4l0-21swapper/722:24:407
111391190,0ptp4l0-21swapper/719:22:487
111391190,0ptp4l0-21swapper/623:51:236
111391190,0ptp4l0-21swapper/520:14:585
111391190,0ptp4l0-21swapper/519:48:515
111391190,0ptp4l0-21swapper/319:49:003
111391190,0ptp4l0-21swapper/223:51:242
111391190,0ptp4l0-21swapper/200:21:502
111391190,0ptp4l0-21swapper/120:15:111
111391190,0ptp4l0-21swapper/120:15:111
111391190,0ptp4l0-21swapper/119:41:501
111391190,0ptp4l0-21swapper/019:25:560
275632180,0sleep70-21swapper/720:35:117
111391180,0ptp4l0-21swapper/700:17:597
111391180,0ptp4l0-21swapper/700:07:317
111391180,0ptp4l0-21swapper/600:00:476
111391180,0ptp4l0-21swapper/323:39:233
111391180,0ptp4l0-21swapper/300:07:313
111391180,0ptp4l0-21swapper/121:04:021
111391180,0ptp4l0-21swapper/120:43:361
111391180,0ptp4l0-21swapper/019:40:220
111391170,0ptp4l0-21swapper/421:09:594
111391170,0ptp4l0-21swapper/119:59:071
111391160,0ptp4l0-21swapper/720:54:147
111391160,0ptp4l0-21swapper/719:51:267
111391160,0ptp4l0-21swapper/520:43:325
111391160,0ptp4l0-21swapper/520:09:195
111391160,0ptp4l0-21swapper/519:12:175
111391160,0ptp4l0-21swapper/120:55:321
111391160,0ptp4l0-21swapper/120:05:511
111391160,0ptp4l0-21swapper/119:17:251
111391160,0ptp4l0-21swapper/100:14:571
111391150,0ptp4l0-21swapper/723:10:037
111391150,0ptp4l0-21swapper/720:42:357
111391150,0ptp4l0-21swapper/719:37:137
111391150,0ptp4l0-21swapper/719:32:147
111391150,0ptp4l0-21swapper/622:08:026
111391150,0ptp4l0-21swapper/521:08:075
111391150,0ptp4l0-21swapper/521:01:575
111391150,0ptp4l0-21swapper/520:50:025
111391150,0ptp4l0-21swapper/520:31:025
111391150,0ptp4l0-21swapper/520:02:555
111391150,0ptp4l0-21swapper/519:55:295
111391150,0ptp4l0-21swapper/519:42:225
111391150,0ptp4l0-21swapper/519:15:375
111391150,0ptp4l0-21swapper/321:10:353
111391150,0ptp4l0-21swapper/320:55:563
111391150,0ptp4l0-21swapper/319:50:473
111391150,0ptp4l0-21swapper/220:13:322
111391150,0ptp4l0-21swapper/121:08:061
111391150,0ptp4l0-21swapper/120:50:021
111391150,0ptp4l0-21swapper/120:31:001
111391150,0ptp4l0-21swapper/120:12:041
111391150,0ptp4l0-21swapper/120:02:541
111391150,0ptp4l0-21swapper/119:35:111
111391140,0ptp4l0-21swapper/723:39:207
111391140,0ptp4l0-21swapper/721:10:357
111391140,0ptp4l0-21swapper/622:34:156
111391140,0ptp4l0-21swapper/621:01:306
111391140,0ptp4l0-21swapper/620:39:386
111391140,0ptp4l0-21swapper/620:26:096
111391140,0ptp4l0-21swapper/620:11:096
111391140,0ptp4l0-21swapper/620:07:106
111391140,0ptp4l0-21swapper/619:16:406
111391140,0ptp4l0-21swapper/320:44:153
111391140,0ptp4l0-21swapper/223:35:272
111391140,0ptp4l0-21swapper/222:29:122
111391140,0ptp4l0-21swapper/222:10:262
111391140,0ptp4l0-21swapper/222:08:002
111391140,0ptp4l0-21swapper/220:50:552
111391140,0ptp4l0-21swapper/220:39:382
111391140,0ptp4l0-21swapper/220:26:092
111391140,0ptp4l0-21swapper/220:07:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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