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2026-04-13 - 06:56

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 13, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391830,27ptp4l0-21swapper/119:09:331
111391620,5ptp4l0-21swapper/019:08:460
111391610,5ptp4l0-21swapper/419:05:434
326402600,1sleep7711rcuc/720:40:157
158812590,0sleep30-21swapper/322:44:353
125582560,0sleep40-21swapper/419:55:194
1881915544,7phc2sys0-21swapper/219:05:392
2163125432,7sleep30-21swapper/319:07:543
111391510,5ptp4l0-21swapper/519:09:395
2156225039,6sleep70-21swapper/719:07:027
2178024938,6sleep60-21swapper/619:09:496
111391350,1ptp4l10769-21munin-run19:55:000
111391330,1ptp4l19569-21grep23:35:114
111391330,0ptp4l0-21swapper/023:05:190
111391320,0ptp4l0-21swapper/419:45:164
111391320,0ptp4l0-21swapper/121:30:001
111391310,0ptp4l0-21swapper/723:25:147
111391310,0ptp4l0-21swapper/421:14:394
111391310,0ptp4l0-21swapper/419:20:144
111391310,0ptp4l0-21swapper/020:55:160
111391310,0ptp4l0-21swapper/019:40:180
111391300,0ptp4l0-21swapper/722:28:407
111391300,0ptp4l0-21swapper/521:20:145
111391300,0ptp4l0-21swapper/423:05:144
111391300,0ptp4l0-21swapper/122:27:041
111391300,0ptp4l0-21swapper/023:15:160
111391290,3ptp4l0-21swapper/120:10:201
111391290,0ptp4l0-21swapper/422:21:444
111391290,0ptp4l0-21swapper/420:35:124
111391290,0ptp4l0-21swapper/121:10:421
111391290,0ptp4l0-21swapper/023:31:090
111391290,0ptp4l0-21swapper/021:42:360
111391290,0ptp4l0-21swapper/000:35:170
111391290,0ptp4l0-21swapper/000:21:200
111391290,0ptp4l0-21swapper/000:11:360
111391280,1ptp4l12828-21diskmemload22:59:021
111391280,1ptp4l12828-21diskmemload22:59:021
111391280,0ptp4l0-21swapper/723:24:377
111391280,0ptp4l0-21swapper/422:58:114
111391280,0ptp4l0-21swapper/422:58:114
111391280,0ptp4l0-21swapper/421:51:224
111391280,0ptp4l0-21swapper/400:25:504
111391280,0ptp4l0-21swapper/400:20:574
111391280,0ptp4l0-21swapper/323:24:393
111391280,0ptp4l0-21swapper/122:41:311
111391280,0ptp4l0-21swapper/121:49:581
111391280,0ptp4l0-21swapper/019:20:200
111391270,0ptp4l0-21swapper/423:43:064
111391270,0ptp4l0-21swapper/400:10:004
111391270,0ptp4l0-21swapper/400:06:414
111391270,0ptp4l0-21swapper/322:30:183
111391270,0ptp4l0-21swapper/122:15:371
111391270,0ptp4l0-21swapper/121:30:181
111391270,0ptp4l0-21swapper/023:51:540
111391270,0ptp4l0-21swapper/022:41:520
111391270,0ptp4l0-21swapper/022:26:470
111391270,0ptp4l0-21swapper/022:21:530
111391270,0ptp4l0-21swapper/022:18:150
111391260,1ptp4l12828-21diskmemload22:05:181
111391260,0ptp4l0-21swapper/621:52:326
111391260,0ptp4l0-21swapper/423:55:114
111391260,0ptp4l0-21swapper/423:45:194
111391260,0ptp4l0-21swapper/423:02:484
111391260,0ptp4l0-21swapper/423:02:484
111391260,0ptp4l0-21swapper/421:59:594
111391260,0ptp4l0-21swapper/421:37:534
111391260,0ptp4l0-21swapper/323:25:073
111391260,0ptp4l0-21swapper/322:29:333
111391260,0ptp4l0-21swapper/123:27:231
111391260,0ptp4l0-21swapper/122:12:341
111391260,0ptp4l0-21swapper/121:18:091
111391260,0ptp4l0-21swapper/100:04:031
111391260,0ptp4l0-21swapper/023:02:300
111391260,0ptp4l0-21swapper/023:02:300
111391260,0ptp4l0-21swapper/022:51:290
111391260,0ptp4l0-21swapper/021:53:480
111391260,0ptp4l0-21swapper/019:55:160
111391250,3ptp4l401ktimersoftd/323:05:363
111391250,2ptp4l0-21swapper/221:35:552
111391250,1ptp4l9192-21date22:35:005
111391250,0ptp4l0-21swapper/722:30:207
111391250,0ptp4l0-21swapper/523:20:135
111391250,0ptp4l0-21swapper/521:30:165
111391250,0ptp4l0-21swapper/519:30:195
111391250,0ptp4l0-21swapper/519:10:125
111391250,0ptp4l0-21swapper/500:02:525
111391250,0ptp4l0-21swapper/422:41:444
111391250,0ptp4l0-21swapper/422:38:114
111391250,0ptp4l0-21swapper/319:14:593
111391250,0ptp4l0-21swapper/122:01:221
111391250,0ptp4l0-21swapper/121:21:251
111391250,0ptp4l0-21swapper/100:15:151
111391250,0ptp4l0-21swapper/023:56:420
111391250,0ptp4l0-21swapper/022:32:440
111391250,0ptp4l0-21swapper/021:23:230
111391250,0ptp4l0-21swapper/000:05:000
111391240,1ptp4l41-21ksoftirqd/322:50:133
111391240,1ptp4l2687-21cpuspeed_turbos21:40:114
111391240,1ptp4l2336-21if_enp0s2519:35:131
111391240,1ptp4l19661-21cut22:50:003
111391240,1ptp4l17941-21awk21:15:184
111391240,0ptp4l12828-21diskmemload22:37:095
111391240,0ptp4l0-21swapper/623:13:096
111391240,0ptp4l0-21swapper/522:41:355
111391240,0ptp4l0-21swapper/521:27:485
111391240,0ptp4l0-21swapper/520:25:205
111391240,0ptp4l0-21swapper/520:00:005
111391240,0ptp4l0-21swapper/519:15:105
111391240,0ptp4l0-21swapper/500:25:185
111391240,0ptp4l0-21swapper/500:05:115
111391240,0ptp4l0-21swapper/423:12:434
111391240,0ptp4l0-21swapper/422:27:194
111391240,0ptp4l0-21swapper/422:18:374
111391240,0ptp4l0-21swapper/400:35:134
111391240,0ptp4l0-21swapper/400:34:044
111391240,0ptp4l0-21swapper/400:19:234
111391240,0ptp4l0-21swapper/221:18:202
111391240,0ptp4l0-21swapper/122:45:191
111391240,0ptp4l0-21swapper/121:36:571
111391240,0ptp4l0-21swapper/119:30:181
111391240,0ptp4l0-21swapper/100:25:131
111391240,0ptp4l0-21swapper/100:24:391
111391240,0ptp4l0-21swapper/100:11:211
111391240,0ptp4l0-21swapper/023:45:170
111391240,0ptp4l0-21swapper/023:35:120
111391240,0ptp4l0-21swapper/023:26:100
111391240,0ptp4l0-21swapper/022:55:150
111391240,0ptp4l0-21swapper/022:55:150
111391240,0ptp4l0-21swapper/022:37:310
111391240,0ptp4l0-21swapper/022:05:150
111391240,0ptp4l0-21swapper/021:25:160
111391240,0ptp4l0-21swapper/021:11:270
111391240,0ptp4l0-21swapper/021:00:120
111391230,2ptp4l0-21swapper/000:27:000
111391230,1ptp4l9316-21if_virbr019:50:161
111391230,1ptp4l27771-21memory23:00:161
111391230,1ptp4l27771-21memory23:00:161
111391230,1ptp4l0-21swapper/722:50:137
111391230,0ptp4l25-21ksoftirqd/120:15:181
111391230,0ptp4l12828-21diskmemload21:10:115
111391230,0ptp4l0-21swapper/621:18:236
111391230,0ptp4l0-21swapper/619:33:516
111391230,0ptp4l0-21swapper/523:28:105
111391230,0ptp4l0-21swapper/523:00:165
111391230,0ptp4l0-21swapper/523:00:165
111391230,0ptp4l0-21swapper/520:45:115
111391230,0ptp4l0-21swapper/520:15:165
111391230,0ptp4l0-21swapper/520:10:195
111391230,0ptp4l0-21swapper/519:50:175
111391230,0ptp4l0-21swapper/519:35:005
111391230,0ptp4l0-21swapper/500:20:185
111391230,0ptp4l0-21swapper/500:15:175
111391230,0ptp4l0-21swapper/423:50:134
111391230,0ptp4l0-21swapper/423:15:214
111391230,0ptp4l0-21swapper/422:10:124
111391230,0ptp4l0-21swapper/422:06:104
111391230,0ptp4l0-21swapper/422:00:154
111391230,0ptp4l0-21swapper/421:45:204
111391230,0ptp4l0-21swapper/421:33:314
111391230,0ptp4l0-21swapper/421:25:164
111391230,0ptp4l0-21swapper/421:05:214
111391230,0ptp4l0-21swapper/420:55:164
111391230,0ptp4l0-21swapper/420:50:154
111391230,0ptp4l0-21swapper/420:20:184
111391230,0ptp4l0-21swapper/420:20:184
111391230,0ptp4l0-21swapper/420:00:144
111391230,0ptp4l0-21swapper/419:35:204
111391230,0ptp4l0-21swapper/419:15:014
111391230,0ptp4l0-21swapper/400:00:144
111391230,0ptp4l0-21swapper/219:55:002
111391230,0ptp4l0-21swapper/123:42:501
111391230,0ptp4l0-21swapper/123:20:121
111391230,0ptp4l0-21swapper/123:08:221
111391230,0ptp4l0-21swapper/121:55:141
111391230,0ptp4l0-21swapper/120:30:151
111391230,0ptp4l0-21swapper/119:55:561
111391230,0ptp4l0-21swapper/119:40:091
111391230,0ptp4l0-21swapper/119:21:521
111391230,0ptp4l0-21swapper/119:10:131
111391230,0ptp4l0-21swapper/100:35:211
111391230,0ptp4l0-21swapper/100:05:141
111391230,0ptp4l0-21swapper/023:40:150
111391230,0ptp4l0-21swapper/023:10:120
111391230,0ptp4l0-21swapper/022:45:120
111391230,0ptp4l0-21swapper/022:10:120
111391230,0ptp4l0-21swapper/022:00:190
111391230,0ptp4l0-21swapper/021:45:150
111391230,0ptp4l0-21swapper/021:17:560
111391230,0ptp4l0-21swapper/021:05:010
111391230,0ptp4l0-21swapper/020:50:140
111391230,0ptp4l0-21swapper/020:40:130
111391230,0ptp4l0-21swapper/020:35:140
111391230,0ptp4l0-21swapper/020:30:140
111391230,0ptp4l0-21swapper/020:20:160
111391230,0ptp4l0-21swapper/020:20:150
111391230,0ptp4l0-21swapper/020:05:120
111391230,0ptp4l0-21swapper/000:30:150
111391230,0ptp4l0-21swapper/000:19:240
111391230,0ptp4l0-21swapper/000:07:110
111391220,2ptp4l0-21swapper/122:33:271
111391220,0ptp4l0-21swapper/622:35:186
111391220,0ptp4l0-21swapper/622:07:586
111391220,0ptp4l0-21swapper/619:10:186
111391220,0ptp4l0-21swapper/523:33:565
111391220,0ptp4l0-21swapper/523:19:395
111391220,0ptp4l0-21swapper/522:45:165
111391220,0ptp4l0-21swapper/522:25:185
111391220,0ptp4l0-21swapper/522:15:195
111391220,0ptp4l0-21swapper/522:14:005
111391220,0ptp4l0-21swapper/522:06:085
111391220,0ptp4l0-21swapper/522:02:135
111391220,0ptp4l0-21swapper/521:55:165
111391220,0ptp4l0-21swapper/521:49:295
111391220,0ptp4l0-21swapper/521:37:375
111391220,0ptp4l0-21swapper/521:18:075
111391220,0ptp4l0-21swapper/521:00:115
111391220,0ptp4l0-21swapper/520:30:175
111391220,0ptp4l0-21swapper/519:50:005
111391220,0ptp4l0-21swapper/519:40:105
111391220,0ptp4l0-21swapper/500:39:245
111391220,0ptp4l0-21swapper/423:34:164
111391220,0ptp4l0-21swapper/423:26:114
111391220,0ptp4l0-21swapper/423:22:594
111391220,0ptp4l0-21swapper/422:50:224
111391220,0ptp4l0-21swapper/422:46:224
111391220,0ptp4l0-21swapper/422:32:174
111391220,0ptp4l0-21swapper/421:20:224
111391220,0ptp4l0-21swapper/420:40:124
111391220,0ptp4l0-21swapper/420:30:214
111391220,0ptp4l0-21swapper/420:05:114
111391220,0ptp4l0-21swapper/419:25:164
111391220,0ptp4l0-21swapper/419:10:504
111391220,0ptp4l0-21swapper/323:11:143
111391220,0ptp4l0-21swapper/321:38:483
111391220,0ptp4l0-21swapper/223:56:462
111391220,0ptp4l0-21swapper/223:13:082
111391220,0ptp4l0-21swapper/222:35:172
111391220,0ptp4l0-21swapper/221:27:112
111391220,0ptp4l0-21swapper/221:24:282
111391220,0ptp4l0-21swapper/219:10:182
111391220,0ptp4l0-21swapper/123:52:411
111391220,0ptp4l0-21swapper/123:47:361
111391220,0ptp4l0-21swapper/123:36:461
111391220,0ptp4l0-21swapper/123:32:241
111391220,0ptp4l0-21swapper/122:50:501
111391220,0ptp4l0-21swapper/122:35:121
111391220,0ptp4l0-21swapper/120:25:141
111391220,0ptp4l0-21swapper/100:30:161
111391220,0ptp4l0-21swapper/021:55:130
111391220,0ptp4l0-21swapper/021:35:140
111391220,0ptp4l0-21swapper/021:31:080
111391220,0ptp4l0-21swapper/020:25:130
111391220,0ptp4l0-21swapper/020:00:110
111391220,0ptp4l0-21swapper/019:45:130
111391220,0ptp4l0-21swapper/019:25:010
111391210,1ptp4l31268-21hddtemp_smartct22:20:141
111391210,0ptp4l515-21systemd-journal20:21:481
111391210,0ptp4l515-21systemd-journal20:21:471
111391210,0ptp4l18667-21irqstats20:10:144
111391210,0ptp4l0-21swapper/723:11:407
111391210,0ptp4l0-21swapper/723:05:437
111391210,0ptp4l0-21swapper/721:46:067
111391210,0ptp4l0-21swapper/623:39:406
111391210,0ptp4l0-21swapper/622:27:286
111391210,0ptp4l0-21swapper/600:38:006
111391210,0ptp4l0-21swapper/600:00:406
111391210,0ptp4l0-21swapper/523:47:065
111391210,0ptp4l0-21swapper/523:13:305
111391210,0ptp4l0-21swapper/523:06:545
111391210,0ptp4l0-21swapper/522:57:125
111391210,0ptp4l0-21swapper/522:57:125
111391210,0ptp4l0-21swapper/522:52:025
111391210,0ptp4l0-21swapper/522:20:155
111391210,0ptp4l0-21swapper/521:50:085
111391210,0ptp4l0-21swapper/520:58:345
111391210,0ptp4l0-21swapper/520:36:505
111391210,0ptp4l0-21swapper/500:30:075
111391210,0ptp4l0-21swapper/500:10:135
111391210,0ptp4l0-21swapper/320:11:463
111391210,0ptp4l0-21swapper/223:48:552
111391210,0ptp4l0-21swapper/223:27:282
111391210,0ptp4l0-21swapper/222:06:232
111391210,0ptp4l0-21swapper/221:57:072
111391210,0ptp4l0-21swapper/221:41:162
111391210,0ptp4l0-21swapper/200:37:572
111391210,0ptp4l0-21swapper/123:55:321
111391210,0ptp4l0-21swapper/123:19:101
111391210,0ptp4l0-21swapper/123:13:001
111391210,0ptp4l0-21swapper/121:54:361
111391210,0ptp4l0-21swapper/121:43:241
111391210,0ptp4l0-21swapper/121:01:001
111391210,0ptp4l0-21swapper/120:57:331
111391210,0ptp4l0-21swapper/120:45:141
111391210,0ptp4l0-21swapper/119:15:151
111391210,0ptp4l0-21swapper/023:22:030
111391210,0ptp4l0-21swapper/020:49:560
111391210,0ptp4l0-21swapper/019:35:200
111391210,0ptp4l0-21swapper/019:32:490
111391200,0ptp4l0-21swapper/721:38:427
111391200,0ptp4l0-21swapper/720:12:217
111391200,0ptp4l0-21swapper/623:27:306
111391200,0ptp4l0-21swapper/621:35:446
111391200,0ptp4l0-21swapper/621:27:146
111391200,0ptp4l0-21swapper/620:56:486
111391200,0ptp4l0-21swapper/523:42:465
111391200,0ptp4l0-21swapper/523:36:185
111391200,0ptp4l0-21swapper/521:43:345
111391200,0ptp4l0-21swapper/520:43:175
111391200,0ptp4l0-21swapper/421:03:374
111391200,0ptp4l0-21swapper/420:17:194
111391200,0ptp4l0-21swapper/419:43:184
111391200,0ptp4l0-21swapper/321:45:493
111391200,0ptp4l0-21swapper/222:27:252
111391200,0ptp4l0-21swapper/200:00:352
111391200,0ptp4l0-21swapper/020:10:150
111391200,0ptp4l0-21swapper/019:14:170
111391190,0ptp4l0-21swapper/722:49:587
111391190,0ptp4l0-21swapper/623:48:576
111391190,0ptp4l0-21swapper/622:32:086
111391190,0ptp4l0-21swapper/621:41:156
111391190,0ptp4l0-21swapper/621:24:486
111391190,0ptp4l0-21swapper/523:55:305
111391190,0ptp4l0-21swapper/523:53:065
111391190,0ptp4l0-21swapper/520:54:205
111391190,0ptp4l0-21swapper/519:28:585
111391190,0ptp4l0-21swapper/519:22:005
111391190,0ptp4l0-21swapper/420:29:554
111391190,0ptp4l0-21swapper/419:50:494
111391190,0ptp4l0-21swapper/223:17:512
111391190,0ptp4l0-21swapper/220:52:022
111391190,0ptp4l0-21swapper/220:34:202
111391180,0ptp4l0-21swapper/623:56:476
111391180,0ptp4l0-21swapper/621:57:056
111391180,0ptp4l0-21swapper/600:08:206
111391180,0ptp4l0-21swapper/521:09:565
111391180,0ptp4l0-21swapper/420:48:424
111391180,0ptp4l0-21swapper/419:33:194
111391180,0ptp4l0-21swapper/222:32:062
111391180,0ptp4l0-21swapper/200:07:582
111391180,0ptp4l0-21swapper/120:35:221
111391180,0ptp4l0-21swapper/019:15:170
111391170,2ptp4l0-21swapper/020:17:020
111391170,0ptp4l25-21ksoftirqd/120:50:321
111391170,0ptp4l0-21swapper/719:14:567
111391170,0ptp4l0-21swapper/623:34:126
111391170,0ptp4l0-21swapper/623:17:496
111391170,0ptp4l0-21swapper/221:52:292
111391160,0ptp4l241ktimersoftd/120:42:151
111391160,0ptp4l0-21swapper/620:34:246
111391160,0ptp4l0-21swapper/619:53:376
111391160,0ptp4l0-21swapper/520:20:365
111391160,0ptp4l0-21swapper/520:20:365
111391160,0ptp4l0-21swapper/520:06:195
111391160,0ptp4l0-21swapper/319:23:563
111391160,0ptp4l0-21swapper/222:48:442
111391160,0ptp4l0-21swapper/121:06:011
111391160,0ptp4l0-21swapper/120:06:131
111391160,0ptp4l0-21swapper/120:00:451
111391160,0ptp4l0-21swapper/119:48:271
111391160,0ptp4l0-21swapper/119:26:181
111391150,0ptp4l0-21swapper/719:23:387
111391150,0ptp4l0-21swapper/622:48:466
111391150,0ptp4l0-21swapper/621:14:236
111391150,0ptp4l0-21swapper/620:50:436
111391150,0ptp4l0-21swapper/620:41:246
111391150,0ptp4l0-21swapper/620:27:546
111391150,0ptp4l0-21swapper/620:02:506
111391150,0ptp4l0-21swapper/619:25:226
111391150,0ptp4l0-21swapper/619:24:536
111391150,0ptp4l0-21swapper/619:16:376
111391150,0ptp4l0-21swapper/520:01:245
111391150,0ptp4l0-21swapper/320:29:113
111391150,0ptp4l0-21swapper/319:48:133
111391150,0ptp4l0-21swapper/223:39:382
111391150,0ptp4l0-21swapper/221:14:232
111391150,0ptp4l0-21swapper/220:02:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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