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2026-04-24 - 08:33

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 Apr 24, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1680321010,1sleep0111rcuc/019:05:110
1844126645,6sleep20-21swapper/219:09:382
111391630,5ptp4l0-21swapper/119:09:421
1824526151,6sleep70-21swapper/719:07:117
111391590,5ptp4l0-21swapper/419:05:214
1830825241,6sleep60-21swapper/619:07:576
1846725032,13sleep50-21swapper/519:09:575
78662490,0sleep10-21swapper/123:15:111
1810024736,7sleep30-21swapper/319:05:223
111391350,0ptp4l0-21swapper/020:55:190
111391320,1ptp4l7228-21sh23:56:060
111391320,0ptp4l0-21swapper/523:50:195
111391320,0ptp4l0-21swapper/423:46:334
111391320,0ptp4l0-21swapper/023:35:130
111391310,7ptp4l0-21swapper/022:58:400
111391300,1ptp4l105-21kswapd023:04:350
111391300,0ptp4l0-21swapper/423:37:164
111391300,0ptp4l0-21swapper/400:30:174
111391300,0ptp4l0-21swapper/321:11:103
111391300,0ptp4l0-21swapper/023:16:070
111391300,0ptp4l0-21swapper/022:41:520
111391300,0ptp4l0-21swapper/022:15:220
111391290,1ptp4l8791-21ssh22:32:511
111391290,0ptp4l0-21swapper/723:06:247
111391290,0ptp4l0-21swapper/521:21:035
111391290,0ptp4l0-21swapper/422:44:484
111391290,0ptp4l0-21swapper/422:30:014
111391290,0ptp4l0-21swapper/422:24:554
111391290,0ptp4l0-21swapper/419:40:144
111391290,0ptp4l0-21swapper/321:26:393
111391290,0ptp4l0-21swapper/023:49:280
111391290,0ptp4l0-21swapper/022:12:230
111391290,0ptp4l0-21swapper/021:50:370
111391290,0ptp4l0-21swapper/021:37:570
111391290,0ptp4l0-21swapper/021:37:570
111391290,0ptp4l0-21swapper/020:05:180
111391280,0ptp4l0-21swapper/721:26:387
111391280,0ptp4l0-21swapper/422:59:344
111391280,0ptp4l0-21swapper/422:13:464
111391280,0ptp4l0-21swapper/421:30:194
111391280,0ptp4l0-21swapper/122:48:171
111391280,0ptp4l0-21swapper/121:28:491
111391280,0ptp4l0-21swapper/023:41:080
111391280,0ptp4l0-21swapper/022:30:060
111391280,0ptp4l0-21swapper/022:28:000
111391280,0ptp4l0-21swapper/019:11:560
111391270,2ptp4l0-21swapper/400:21:244
111391270,1ptp4l9120-21sshd21:05:244
111391270,0ptp4l0-21swapper/423:29:124
111391270,0ptp4l0-21swapper/422:51:404
111391270,0ptp4l0-21swapper/422:32:274
111391270,0ptp4l0-21swapper/422:17:494
111391270,0ptp4l0-21swapper/422:08:024
111391270,0ptp4l0-21swapper/421:20:374
111391270,0ptp4l0-21swapper/323:07:103
111391270,0ptp4l0-21swapper/022:45:120
111391270,0ptp4l0-21swapper/022:06:390
111391260,1ptp4l17188-21cut20:15:105
111391260,0ptp4l0-21swapper/500:36:025
111391260,0ptp4l0-21swapper/423:57:444
111391260,0ptp4l0-21swapper/423:18:334
111391260,0ptp4l0-21swapper/422:47:464
111391260,0ptp4l0-21swapper/400:16:444
111391260,0ptp4l0-21swapper/400:06:194
111391260,0ptp4l0-21swapper/120:00:171
111391260,0ptp4l0-21swapper/119:45:191
111391260,0ptp4l0-21swapper/100:15:341
111391260,0ptp4l0-21swapper/023:27:400
111391260,0ptp4l0-21swapper/021:25:190
111391260,0ptp4l0-21swapper/000:26:430
111391260,0ptp4l0-21swapper/000:06:120
111391250,1ptp4l22463-21irqstats19:15:154
111391250,0ptp4l0-21swapper/722:54:487
111391250,0ptp4l0-21swapper/523:41:345
111391250,0ptp4l0-21swapper/523:10:045
111391250,0ptp4l0-21swapper/522:59:515
111391250,0ptp4l0-21swapper/522:15:195
111391250,0ptp4l0-21swapper/521:28:355
111391250,0ptp4l0-21swapper/520:00:005
111391250,0ptp4l0-21swapper/423:40:284
111391250,0ptp4l0-21swapper/423:31:284
111391250,0ptp4l0-21swapper/423:01:114
111391250,0ptp4l0-21swapper/421:58:164
111391250,0ptp4l0-21swapper/421:46:394
111391250,0ptp4l0-21swapper/421:16:594
111391250,0ptp4l0-21swapper/420:10:204
111391250,0ptp4l0-21swapper/400:35:094
111391250,0ptp4l0-21swapper/123:50:121
111391250,0ptp4l0-21swapper/123:26:111
111391250,0ptp4l0-21swapper/123:08:311
111391250,0ptp4l0-21swapper/121:48:011
111391250,0ptp4l0-21swapper/022:23:280
111391250,0ptp4l0-21swapper/021:59:490
111391250,0ptp4l0-21swapper/021:20:150
111391240,1ptp4l9-21ksoftirqd/022:35:150
111391240,1ptp4l31854-21sed19:35:164
111391240,1ptp4l20844-21ssh00:15:175
111391240,1ptp4l18720-21cyclictest22:03:064
111391240,1ptp4l16916-21kernelversion00:10:151
111391240,1ptp4l16916-21kernelversion00:10:151
111391240,1ptp4l11639-21df_inode23:20:100
111391240,0ptp4l0-21swapper/719:25:127
111391240,0ptp4l0-21swapper/523:49:485
111391240,0ptp4l0-21swapper/522:35:205
111391240,0ptp4l0-21swapper/500:27:025
111391240,0ptp4l0-21swapper/500:21:025
111391240,0ptp4l0-21swapper/421:40:544
111391240,0ptp4l0-21swapper/420:55:144
111391240,0ptp4l0-21swapper/420:45:144
111391240,0ptp4l0-21swapper/420:40:124
111391240,0ptp4l0-21swapper/420:25:124
111391240,0ptp4l0-21swapper/420:15:154
111391240,0ptp4l0-21swapper/419:47:244
111391240,0ptp4l0-21swapper/221:40:122
111391240,0ptp4l0-21swapper/122:20:101
111391240,0ptp4l0-21swapper/100:30:121
111391240,0ptp4l0-21swapper/020:50:110
111391240,0ptp4l0-21swapper/020:10:110
111391240,0ptp4l0-21swapper/000:33:160
111391240,0ptp4l0-21swapper/000:24:090
111391230,1ptp4l4252-21diskstats23:10:131
111391230,1ptp4l26573-21cpuspeed_turbos19:25:123
111391230,1ptp4l20511-21ssh23:30:240
111391230,0ptp4l9497-21diskmemload23:05:120
111391230,0ptp4l0-21swapper/722:55:167
111391230,0ptp4l0-21swapper/623:18:226
111391230,0ptp4l0-21swapper/621:40:136
111391230,0ptp4l0-21swapper/523:32:205
111391230,0ptp4l0-21swapper/523:09:115
111391230,0ptp4l0-21swapper/522:05:015
111391230,0ptp4l0-21swapper/521:51:185
111391230,0ptp4l0-21swapper/521:20:005
111391230,0ptp4l0-21swapper/520:35:185
111391230,0ptp4l0-21swapper/520:00:195
111391230,0ptp4l0-21swapper/519:45:175
111391230,0ptp4l0-21swapper/519:35:115
111391230,0ptp4l0-21swapper/500:10:125
111391230,0ptp4l0-21swapper/500:10:125
111391230,0ptp4l0-21swapper/423:51:164
111391230,0ptp4l0-21swapper/423:21:144
111391230,0ptp4l0-21swapper/423:05:134
111391230,0ptp4l0-21swapper/422:38:524
111391230,0ptp4l0-21swapper/421:50:184
111391230,0ptp4l0-21swapper/421:38:274
111391230,0ptp4l0-21swapper/421:38:274
111391230,0ptp4l0-21swapper/421:25:144
111391230,0ptp4l0-21swapper/421:10:124
111391230,0ptp4l0-21swapper/421:00:214
111391230,0ptp4l0-21swapper/420:50:124
111391230,0ptp4l0-21swapper/420:30:144
111391230,0ptp4l0-21swapper/420:05:124
111391230,0ptp4l0-21swapper/419:50:124
111391230,0ptp4l0-21swapper/419:30:194
111391230,0ptp4l0-21swapper/419:20:144
111391230,0ptp4l0-21swapper/419:10:124
111391230,0ptp4l0-21swapper/400:26:004
111391230,0ptp4l0-21swapper/400:00:154
111391230,0ptp4l0-21swapper/322:40:003
111391230,0ptp4l0-21swapper/122:50:101
111391230,0ptp4l0-21swapper/122:35:201
111391230,0ptp4l0-21swapper/122:05:111
111391230,0ptp4l0-21swapper/121:20:121
111391230,0ptp4l0-21swapper/121:19:101
111391230,0ptp4l0-21swapper/121:12:191
111391230,0ptp4l0-21swapper/120:35:121
111391230,0ptp4l0-21swapper/119:50:161
111391230,0ptp4l0-21swapper/119:40:111
111391230,0ptp4l0-21swapper/100:35:131
111391230,0ptp4l0-21swapper/100:25:011
111391230,0ptp4l0-21swapper/100:20:121
111391230,0ptp4l0-21swapper/100:06:321
111391230,0ptp4l0-21swapper/023:54:360
111391230,0ptp4l0-21swapper/022:50:120
111391230,0ptp4l0-21swapper/022:00:120
111391230,0ptp4l0-21swapper/021:45:110
111391230,0ptp4l0-21swapper/021:40:200
111391230,0ptp4l0-21swapper/021:30:120
111391230,0ptp4l0-21swapper/021:15:120
111391230,0ptp4l0-21swapper/021:10:200
111391230,0ptp4l0-21swapper/021:05:140
111391230,0ptp4l0-21swapper/020:40:180
111391230,0ptp4l0-21swapper/020:40:000
111391230,0ptp4l0-21swapper/020:30:180
111391230,0ptp4l0-21swapper/020:25:120
111391230,0ptp4l0-21swapper/020:15:120
111391230,0ptp4l0-21swapper/019:50:160
111391230,0ptp4l0-21swapper/019:40:120
111391230,0ptp4l0-21swapper/019:30:150
111391230,0ptp4l0-21swapper/019:20:130
111391230,0ptp4l0-21swapper/019:15:170
111391230,0ptp4l0-21swapper/000:39:080
111391230,0ptp4l0-21swapper/000:00:210
111391220,1ptp4l28266-21ssh23:40:561
111391220,0ptp4l0-21swapper/622:08:566
111391220,0ptp4l0-21swapper/600:35:326
111391220,0ptp4l0-21swapper/523:59:195
111391220,0ptp4l0-21swapper/523:38:335
111391220,0ptp4l0-21swapper/523:22:275
111391220,0ptp4l0-21swapper/523:01:165
111391220,0ptp4l0-21swapper/522:46:555
111391220,0ptp4l0-21swapper/522:31:305
111391220,0ptp4l0-21swapper/522:29:465
111391220,0ptp4l0-21swapper/522:02:325
111391220,0ptp4l0-21swapper/521:57:065
111391220,0ptp4l0-21swapper/521:48:295
111391220,0ptp4l0-21swapper/521:12:215
111391220,0ptp4l0-21swapper/519:50:175
111391220,0ptp4l0-21swapper/500:30:125
111391220,0ptp4l0-21swapper/423:10:244
111391220,0ptp4l0-21swapper/420:20:004
111391220,0ptp4l0-21swapper/419:55:114
111391220,0ptp4l0-21swapper/322:55:203
111391220,0ptp4l0-21swapper/322:54:063
111391220,0ptp4l0-21swapper/221:32:482
111391220,0ptp4l0-21swapper/123:59:561
111391220,0ptp4l0-21swapper/123:49:461
111391220,0ptp4l0-21swapper/123:32:021
111391220,0ptp4l0-21swapper/123:22:441
111391220,0ptp4l0-21swapper/123:01:201
111391220,0ptp4l0-21swapper/122:15:141
111391220,0ptp4l0-21swapper/122:10:231
111391220,0ptp4l0-21swapper/121:56:551
111391220,0ptp4l0-21swapper/121:53:331
111391220,0ptp4l0-21swapper/120:55:191
111391220,0ptp4l0-21swapper/119:10:001
111391220,0ptp4l0-21swapper/023:13:590
111391220,0ptp4l0-21swapper/021:00:130
111391220,0ptp4l0-21swapper/020:45:140
111391220,0ptp4l0-21swapper/020:20:110
111391220,0ptp4l0-21swapper/019:55:150
111391220,0ptp4l0-21swapper/019:35:180
111391220,0ptp4l0-21swapper/000:15:300
111391210,1ptp4l31162-21acpi22:20:115
111391210,0ptp4l0-21swapper/722:39:427
111391210,0ptp4l0-21swapper/722:22:407
111391210,0ptp4l0-21swapper/722:11:167
111391210,0ptp4l0-21swapper/721:11:157
111391210,0ptp4l0-21swapper/623:34:356
111391210,0ptp4l0-21swapper/621:39:386
111391210,0ptp4l0-21swapper/621:39:376
111391210,0ptp4l0-21swapper/621:32:466
111391210,0ptp4l0-21swapper/621:06:246
111391210,0ptp4l0-21swapper/620:30:286
111391210,0ptp4l0-21swapper/520:47:185
111391210,0ptp4l0-21swapper/520:33:245
111391210,0ptp4l0-21swapper/519:42:275
111391210,0ptp4l0-21swapper/500:06:345
111391210,0ptp4l0-21swapper/420:02:094
111391210,0ptp4l0-21swapper/400:11:244
111391210,0ptp4l0-21swapper/400:11:244
111391210,0ptp4l0-21swapper/222:08:462
111391210,0ptp4l0-21swapper/221:39:532
111391210,0ptp4l0-21swapper/221:39:532
111391210,0ptp4l0-21swapper/123:38:121
111391210,0ptp4l0-21swapper/122:57:071
111391210,0ptp4l0-21swapper/122:02:251
111391210,0ptp4l0-21swapper/121:36:221
111391210,0ptp4l0-21swapper/121:36:221
111391210,0ptp4l0-21swapper/120:20:281
111391210,0ptp4l0-21swapper/000:10:180
111391210,0ptp4l0-21swapper/000:10:180
111391200,3ptp4l0-21swapper/220:56:472
111391200,0ptp4l0-21swapper/720:28:277
111391200,0ptp4l0-21swapper/523:27:465
111391200,0ptp4l0-21swapper/522:50:055
111391200,0ptp4l0-21swapper/521:37:105
111391200,0ptp4l0-21swapper/521:37:105
111391200,0ptp4l0-21swapper/500:00:025
111391200,0ptp4l0-21swapper/223:34:362
111391200,0ptp4l0-21swapper/223:29:482
111391200,0ptp4l0-21swapper/223:10:302
111391200,0ptp4l0-21swapper/221:59:542
111391200,0ptp4l0-21swapper/121:44:561
111391200,0ptp4l0-21swapper/120:47:281
111391200,0ptp4l0-21swapper/120:32:071
111391200,0ptp4l0-21swapper/119:35:141
111391200,0ptp4l0-21swapper/119:27:241
111391200,0ptp4l0-21swapper/119:19:521
111391200,0ptp4l0-21swapper/020:02:240
111391200,0ptp4l0-21swapper/019:26:360
111391190,0ptp4l0-21swapper/622:41:186
111391190,0ptp4l0-21swapper/620:23:246
111391190,0ptp4l0-21swapper/521:44:555
111391190,0ptp4l0-21swapper/521:08:425
111391190,0ptp4l0-21swapper/520:53:235
111391190,0ptp4l0-21swapper/520:26:405
111391190,0ptp4l0-21swapper/520:12:135
111391190,0ptp4l0-21swapper/519:34:565
111391190,0ptp4l0-21swapper/519:27:115
111391190,0ptp4l0-21swapper/519:10:215
111391190,0ptp4l0-21swapper/322:24:503
111391190,0ptp4l0-21swapper/322:11:163
111391190,0ptp4l0-21swapper/222:41:162
111391190,0ptp4l0-21swapper/222:12:122
111391190,0ptp4l0-21swapper/221:06:152
111391190,0ptp4l0-21swapper/121:03:591
111391190,0ptp4l0-21swapper/120:25:421
111391190,0ptp4l0-21swapper/120:17:041
111391190,0ptp4l0-21swapper/119:56:341
111391190,0ptp4l0-21swapper/119:30:021
111391190,0ptp4l0-21swapper/119:20:271
111391190,0ptp4l0-21swapper/100:04:411
111391190,0ptp4l0-21swapper/019:46:260
111391180,0ptp4l0-21swapper/722:40:027
111391180,0ptp4l0-21swapper/623:29:476
111391180,0ptp4l0-21swapper/623:10:326
111391180,0ptp4l0-21swapper/621:59:546
111391180,0ptp4l0-21swapper/620:47:316
111391180,0ptp4l0-21swapper/600:28:406
111391180,0ptp4l0-21swapper/523:19:535
111391180,0ptp4l0-21swapper/522:10:485
111391180,0ptp4l0-21swapper/521:03:445
111391180,0ptp4l0-21swapper/222:17:332
111391180,0ptp4l0-21swapper/122:28:311
111391180,0ptp4l0-21swapper/121:33:321
111391180,0ptp4l0-21swapper/121:09:261
111391170,0ptp4l0-21swapper/719:24:567
111391170,0ptp4l0-21swapper/622:17:366
111391170,0ptp4l0-21swapper/200:35:292
111391170,0ptp4l0-21swapper/120:52:511
111391170,0ptp4l0-21swapper/120:05:031
111391160,0ptp4l0-21swapper/600:18:176
111391160,0ptp4l0-21swapper/521:34:145
111391160,0ptp4l0-21swapper/420:36:314
111391160,0ptp4l0-21swapper/122:42:371
111391160,0ptp4l0-21swapper/120:42:491
111391160,0ptp4l0-21swapper/120:11:351
18775991513,1cyclictest0-21swapper/621:10:206
18775991513,1cyclictest0-21swapper/600:30:136
1876799154,0cyclictest0-21swapper/520:57:415
1876799150,0cyclictest0-21swapper/519:17:355
111391150,0ptp4l0-21swapper/622:12:126
111391150,0ptp4l0-21swapper/621:01:086
111391150,0ptp4l0-21swapper/620:56:506
111391150,0ptp4l0-21swapper/620:44:206
111391150,0ptp4l0-21swapper/619:40:296
111391150,0ptp4l0-21swapper/619:18:486
111391150,0ptp4l0-21swapper/520:42:555
111391150,0ptp4l0-21swapper/520:20:255
111391150,0ptp4l0-21swapper/520:05:025
111391150,0ptp4l0-21swapper/519:20:275
111391150,0ptp4l0-21swapper/419:26:094
111391150,0ptp4l0-21swapper/322:40:023
111391150,0ptp4l0-21swapper/320:28:323
111391150,0ptp4l0-21swapper/319:24:163
111391150,0ptp4l0-21swapper/220:44:192
111391150,0ptp4l0-21swapper/220:22:482
111391150,0ptp4l0-21swapper/219:54:132
111391150,0ptp4l0-21swapper/200:18:152
111391140,0ptp4l0-21swapper/620:52:046
111391140,0ptp4l0-21swapper/620:02:436
111391140,0ptp4l0-21swapper/619:54:136
111391140,0ptp4l0-21swapper/619:20:576
111391140,0ptp4l0-21swapper/522:43:315
111391140,0ptp4l0-21swapper/223:18:222
111391140,0ptp4l0-21swapper/221:01:052
111391140,0ptp4l0-21swapper/220:52:032
111391140,0ptp4l0-21swapper/220:47:332
111391140,0ptp4l0-21swapper/220:30:272
111391140,0ptp4l0-21swapper/220:01:582
111391140,0ptp4l0-21swapper/219:40:302
111391140,0ptp4l0-21swapper/219:20:562
111391140,0ptp4l0-21swapper/219:18:482
111391140,0ptp4l0-21swapper/200:28:372
1878199138,1cyclictest30470-21munin-run00:30:007
1878199120,10cyclictest0-21swapper/723:59:197
18753991210,1cyclictest23100-21turbostat22:10:003
1877599119,1cyclictest0-21swapper/622:53:576
1877599119,1cyclictest0-21swapper/622:03:216
1875399110,10cyclictest0-21swapper/323:20:163
1878199109,0cyclictest0-21swapper/723:30:177
1878199109,0cyclictest0-21swapper/722:18:567
1878199100,9cyclictest0-21swapper/723:29:587
1878199100,9cyclictest0-21swapper/700:03:267
1877599100,9cyclictest0-21swapper/600:24:486
1875399109,0cyclictest0-21swapper/322:04:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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