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2026-04-22 - 12:32

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 22, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391640,26ptp4l0-21swapper/019:05:130
111391630,5ptp4l0-21swapper/119:06:461
2595226151,6sleep20-21swapper/219:08:152
111391610,5ptp4l0-21swapper/419:09:254
122492600,2sleep42637899cyclictest00:05:174
2587525635,16sleep70-21swapper/719:07:157
111391520,5ptp4l0-21swapper/519:06:515
2604624837,7sleep30-21swapper/319:09:283
2575524534,6sleep60-21swapper/619:05:386
111391320,0ptp4l0-21swapper/320:05:143
111391310,4ptp4l0-21swapper/722:39:577
111391310,3ptp4l0-21swapper/400:20:174
111391300,0ptp4l0-21swapper/421:30:124
111391290,0ptp4l0-21swapper/423:45:034
111391290,0ptp4l0-21swapper/422:20:154
111391290,0ptp4l0-21swapper/421:28:314
111391280,2ptp4l0-21swapper/422:47:574
111391280,0ptp4l0-21swapper/722:57:287
111391280,0ptp4l0-21swapper/423:28:354
111391280,0ptp4l0-21swapper/422:42:154
111391280,0ptp4l0-21swapper/422:42:154
111391280,0ptp4l0-21swapper/422:25:144
111391280,0ptp4l0-21swapper/422:04:094
111391280,0ptp4l0-21swapper/400:01:364
111391280,0ptp4l0-21swapper/023:14:250
111391280,0ptp4l0-21swapper/022:34:560
111391280,0ptp4l0-21swapper/000:14:040
111391270,2ptp4l481ktimersoftd/420:55:174
111391270,1ptp4l20042-21ssh00:18:060
111391270,0ptp4l0-21swapper/600:32:356
111391270,0ptp4l0-21swapper/423:36:474
111391270,0ptp4l0-21swapper/421:42:454
111391270,0ptp4l0-21swapper/023:31:350
111391270,0ptp4l0-21swapper/021:37:320
111391260,0ptp4l0-21swapper/423:42:074
111391260,0ptp4l0-21swapper/423:30:194
111391260,0ptp4l0-21swapper/423:10:194
111391260,0ptp4l0-21swapper/423:05:564
111391260,0ptp4l0-21swapper/422:32:534
111391260,0ptp4l0-21swapper/422:12:174
111391260,0ptp4l0-21swapper/421:04:324
111391260,0ptp4l0-21swapper/322:40:503
111391260,0ptp4l0-21swapper/322:40:503
111391260,0ptp4l0-21swapper/321:52:053
111391260,0ptp4l0-21swapper/219:25:152
111391260,0ptp4l0-21swapper/200:02:172
111391260,0ptp4l0-21swapper/123:58:131
111391260,0ptp4l0-21swapper/121:35:391
111391260,0ptp4l0-21swapper/023:01:400
111391260,0ptp4l0-21swapper/022:25:120
111391260,0ptp4l0-21swapper/022:15:350
111391260,0ptp4l0-21swapper/022:06:020
111391260,0ptp4l0-21swapper/021:42:370
111391260,0ptp4l0-21swapper/021:00:120
111391250,0ptp4l0-21swapper/622:02:206
111391250,0ptp4l0-21swapper/621:35:326
111391250,0ptp4l0-21swapper/423:56:234
111391250,0ptp4l0-21swapper/423:52:124
111391250,0ptp4l0-21swapper/423:18:084
111391250,0ptp4l0-21swapper/423:02:244
111391250,0ptp4l0-21swapper/422:15:134
111391250,0ptp4l0-21swapper/421:14:104
111391250,0ptp4l0-21swapper/419:15:164
111391250,0ptp4l0-21swapper/400:28:424
111391250,0ptp4l0-21swapper/222:50:112
111391250,0ptp4l0-21swapper/200:32:362
111391250,0ptp4l0-21swapper/023:42:490
111391250,0ptp4l0-21swapper/023:15:190
111391250,0ptp4l0-21swapper/022:44:030
111391250,0ptp4l0-21swapper/022:44:030
111391250,0ptp4l0-21swapper/022:38:450
111391250,0ptp4l0-21swapper/022:20:150
111391250,0ptp4l0-21swapper/021:55:200
111391250,0ptp4l0-21swapper/019:10:190
111391250,0ptp4l0-21swapper/000:35:220
111391240,1ptp4l30338-21ssh00:35:144
111391240,1ptp4l18012-21hddtemp_smartct00:15:134
111391240,1ptp4l17121-21diskmemload22:52:544
111391240,1ptp4l1576-21cpuspeed_turbos20:35:134
111391240,1ptp4l1-21systemd00:35:000
111391240,0ptp4l0-21swapper/722:40:207
111391240,0ptp4l0-21swapper/722:40:207
111391240,0ptp4l0-21swapper/621:44:476
111391240,0ptp4l0-21swapper/619:25:146
111391240,0ptp4l0-21swapper/422:35:164
111391240,0ptp4l0-21swapper/421:55:174
111391240,0ptp4l0-21swapper/421:47:094
111391240,0ptp4l0-21swapper/419:45:164
111391240,0ptp4l0-21swapper/322:10:373
111391240,0ptp4l0-21swapper/023:50:180
111391240,0ptp4l0-21swapper/023:45:170
111391240,0ptp4l0-21swapper/023:35:200
111391240,0ptp4l0-21swapper/023:09:110
111391240,0ptp4l0-21swapper/021:50:160
111391240,0ptp4l0-21swapper/021:45:120
111391240,0ptp4l0-21swapper/021:30:130
111391240,0ptp4l0-21swapper/021:26:090
111391240,0ptp4l0-21swapper/019:45:120
111391240,0ptp4l0-21swapper/019:25:180
111391240,0ptp4l0-21swapper/000:29:110
111391240,0ptp4l0-21swapper/000:00:190
45302230,0sleep60-21swapper/623:55:096
111391230,1ptp4l31504-21/usr/sbin/munin20:30:150
111391230,1ptp4l1068-21runrttasks21:25:153
111391230,0ptp4l19761-21latency_hist20:05:001
111391230,0ptp4l19761-21latency_hist20:05:001
111391230,0ptp4l0-21swapper/722:10:017
111391230,0ptp4l0-21swapper/722:05:207
111391230,0ptp4l0-21swapper/700:40:017
111391230,0ptp4l0-21swapper/622:50:136
111391230,0ptp4l0-21swapper/622:37:166
111391230,0ptp4l0-21swapper/423:20:124
111391230,0ptp4l0-21swapper/421:37:314
111391230,0ptp4l0-21swapper/421:20:144
111391230,0ptp4l0-21swapper/421:15:134
111391230,0ptp4l0-21swapper/420:50:124
111391230,0ptp4l0-21swapper/420:45:114
111391230,0ptp4l0-21swapper/420:40:134
111391230,0ptp4l0-21swapper/420:30:134
111391230,0ptp4l0-21swapper/420:25:124
111391230,0ptp4l0-21swapper/420:15:124
111391230,0ptp4l0-21swapper/420:10:134
111391230,0ptp4l0-21swapper/419:55:154
111391230,0ptp4l0-21swapper/419:50:164
111391230,0ptp4l0-21swapper/419:20:184
111391230,0ptp4l0-21swapper/419:10:194
111391230,0ptp4l0-21swapper/400:30:144
111391230,0ptp4l0-21swapper/322:55:153
111391230,0ptp4l0-21swapper/322:05:083
111391230,0ptp4l0-21swapper/321:43:123
111391230,0ptp4l0-21swapper/223:57:122
111391230,0ptp4l0-21swapper/222:02:192
111391230,0ptp4l0-21swapper/221:35:192
111391230,0ptp4l0-21swapper/123:23:141
111391230,0ptp4l0-21swapper/123:00:201
111391230,0ptp4l0-21swapper/023:55:100
111391230,0ptp4l0-21swapper/023:27:380
111391230,0ptp4l0-21swapper/022:51:070
111391230,0ptp4l0-21swapper/022:45:160
111391230,0ptp4l0-21swapper/022:00:010
111391230,0ptp4l0-21swapper/021:20:160
111391230,0ptp4l0-21swapper/021:15:080
111391230,0ptp4l0-21swapper/021:05:160
111391230,0ptp4l0-21swapper/020:35:210
111391230,0ptp4l0-21swapper/020:25:170
111391230,0ptp4l0-21swapper/020:15:160
111391230,0ptp4l0-21swapper/020:00:130
111391230,0ptp4l0-21swapper/020:00:130
111391230,0ptp4l0-21swapper/019:50:120
111391230,0ptp4l0-21swapper/019:35:200
111391230,0ptp4l0-21swapper/019:30:160
111391230,0ptp4l0-21swapper/000:20:130
111391220,1ptp4l17176-21ssh00:14:393
111391220,0ptp4l0-21swapper/722:54:217
111391220,0ptp4l0-21swapper/722:04:387
111391220,0ptp4l0-21swapper/721:25:077
111391220,0ptp4l0-21swapper/721:00:197
111391220,0ptp4l0-21swapper/720:05:207
111391220,0ptp4l0-21swapper/623:43:116
111391220,0ptp4l0-21swapper/623:00:116
111391220,0ptp4l0-21swapper/600:20:116
111391220,0ptp4l0-21swapper/522:47:545
111391220,0ptp4l0-21swapper/522:15:125
111391220,0ptp4l0-21swapper/521:39:455
111391220,0ptp4l0-21swapper/521:15:595
111391220,0ptp4l0-21swapper/500:05:155
111391220,0ptp4l0-21swapper/422:58:354
111391220,0ptp4l0-21swapper/422:05:224
111391220,0ptp4l0-21swapper/421:50:134
111391220,0ptp4l0-21swapper/420:20:124
111391220,0ptp4l0-21swapper/420:00:184
111391220,0ptp4l0-21swapper/420:00:184
111391220,0ptp4l0-21swapper/419:40:204
111391220,0ptp4l0-21swapper/419:35:014
111391220,0ptp4l0-21swapper/419:30:014
111391220,0ptp4l0-21swapper/419:25:184
111391220,0ptp4l0-21swapper/400:10:124
111391220,0ptp4l0-21swapper/322:39:393
111391220,0ptp4l0-21swapper/321:24:413
111391220,0ptp4l0-21swapper/321:00:173
111391220,0ptp4l0-21swapper/300:39:583
111391220,0ptp4l0-21swapper/223:43:072
111391220,0ptp4l0-21swapper/223:00:112
111391220,0ptp4l0-21swapper/222:49:552
111391220,0ptp4l0-21swapper/222:29:232
111391220,0ptp4l0-21swapper/222:14:332
111391220,0ptp4l0-21swapper/221:20:222
111391220,0ptp4l0-21swapper/123:33:121
111391220,0ptp4l0-21swapper/123:28:131
111391220,0ptp4l0-21swapper/123:08:571
111391220,0ptp4l0-21swapper/122:50:401
111391220,0ptp4l0-21swapper/122:29:071
111391220,0ptp4l0-21swapper/121:51:291
111391220,0ptp4l0-21swapper/121:19:551
111391220,0ptp4l0-21swapper/100:04:231
111391220,0ptp4l0-21swapper/023:20:180
111391220,0ptp4l0-21swapper/022:58:270
111391220,0ptp4l0-21swapper/022:12:160
111391220,0ptp4l0-21swapper/021:10:140
111391220,0ptp4l0-21swapper/020:55:140
111391220,0ptp4l0-21swapper/020:50:010
111391220,0ptp4l0-21swapper/020:45:180
111391220,0ptp4l0-21swapper/020:40:110
111391220,0ptp4l0-21swapper/020:20:010
111391220,0ptp4l0-21swapper/020:10:120
111391220,0ptp4l0-21swapper/019:55:150
111391220,0ptp4l0-21swapper/019:40:130
111391220,0ptp4l0-21swapper/019:20:150
111391220,0ptp4l0-21swapper/019:15:010
111391220,0ptp4l0-21swapper/000:05:160
111391210,0ptp4l0-21swapper/721:52:177
111391210,0ptp4l0-21swapper/721:43:037
111391210,0ptp4l0-21swapper/721:24:337
111391210,0ptp4l0-21swapper/700:20:397
111391210,0ptp4l0-21swapper/700:15:117
111391210,0ptp4l0-21swapper/700:14:367
111391210,0ptp4l0-21swapper/623:36:526
111391210,0ptp4l0-21swapper/622:32:176
111391210,0ptp4l0-21swapper/622:29:306
111391210,0ptp4l0-21swapper/621:26:306
111391210,0ptp4l0-21swapper/619:57:386
111391210,0ptp4l0-21swapper/523:22:435
111391210,0ptp4l0-21swapper/522:43:475
111391210,0ptp4l0-21swapper/522:43:475
111391210,0ptp4l0-21swapper/522:29:595
111391210,0ptp4l0-21swapper/522:13:455
111391210,0ptp4l0-21swapper/522:01:415
111391210,0ptp4l0-21swapper/521:49:575
111391210,0ptp4l0-21swapper/520:05:005
111391210,0ptp4l0-21swapper/520:05:005
111391210,0ptp4l0-21swapper/500:33:205
111391210,0ptp4l0-21swapper/421:08:154
111391210,0ptp4l0-21swapper/420:08:154
111391210,0ptp4l0-21swapper/322:51:003
111391210,0ptp4l0-21swapper/222:37:152
111391210,0ptp4l0-21swapper/221:15:552
111391210,0ptp4l0-21swapper/219:55:012
111391210,0ptp4l0-21swapper/200:35:462
111391210,0ptp4l0-21swapper/123:17:531
111391210,0ptp4l0-21swapper/123:00:001
111391210,0ptp4l0-21swapper/122:46:581
111391210,0ptp4l0-21swapper/122:43:541
111391210,0ptp4l0-21swapper/122:43:541
111391210,0ptp4l0-21swapper/122:15:571
111391210,0ptp4l0-21swapper/121:44:351
111391210,0ptp4l0-21swapper/121:20:521
111391210,0ptp4l0-21swapper/100:33:171
111391200,0ptp4l0-21swapper/720:11:317
111391200,0ptp4l0-21swapper/719:58:167
111391200,0ptp4l0-21swapper/623:18:456
111391200,0ptp4l0-21swapper/621:22:336
111391200,0ptp4l0-21swapper/523:33:395
111391200,0ptp4l0-21swapper/523:05:465
111391200,0ptp4l0-21swapper/522:53:545
111391200,0ptp4l0-21swapper/522:35:265
111391200,0ptp4l0-21swapper/522:31:535
111391200,0ptp4l0-21swapper/521:40:535
111391200,0ptp4l0-21swapper/521:30:045
111391200,0ptp4l0-21swapper/520:07:305
111391200,0ptp4l0-21swapper/519:28:315
111391200,0ptp4l0-21swapper/500:15:405
111391200,0ptp4l0-21swapper/300:15:033
111391200,0ptp4l0-21swapper/222:32:012
111391200,0ptp4l0-21swapper/200:24:152
111391200,0ptp4l0-21swapper/123:47:041
111391200,0ptp4l0-21swapper/123:39:121
111391200,0ptp4l0-21swapper/122:37:141
111391200,0ptp4l0-21swapper/121:59:551
111391200,0ptp4l0-21swapper/121:30:031
111391200,0ptp4l0-21swapper/120:32:321
111391200,0ptp4l0-21swapper/120:12:161
111391200,0ptp4l0-21swapper/100:15:371
111391200,0ptp4l0-21swapper/020:05:080
111391190,0ptp4l0-21swapper/623:20:416
111391190,0ptp4l0-21swapper/600:02:246
111391190,0ptp4l0-21swapper/523:58:145
111391190,0ptp4l0-21swapper/523:17:135
111391190,0ptp4l0-21swapper/523:14:125
111391190,0ptp4l0-21swapper/522:07:165
111391190,0ptp4l0-21swapper/521:51:075
111391190,0ptp4l0-21swapper/521:20:515
111391190,0ptp4l0-21swapper/500:20:015
111391190,0ptp4l0-21swapper/322:04:443
111391190,0ptp4l0-21swapper/223:36:532
111391190,0ptp4l0-21swapper/223:27:522
111391190,0ptp4l0-21swapper/223:20:422
111391190,0ptp4l0-21swapper/223:18:422
111391190,0ptp4l0-21swapper/222:16:062
111391190,0ptp4l0-21swapper/221:44:412
111391190,0ptp4l0-21swapper/221:26:272
111391190,0ptp4l0-21swapper/221:10:242
111391190,0ptp4l0-21swapper/123:41:081
111391190,0ptp4l0-21swapper/122:32:051
111391190,0ptp4l0-21swapper/121:49:211
111391190,0ptp4l0-21swapper/120:26:151
111391190,0ptp4l0-21swapper/119:49:081
111391190,0ptp4l0-21swapper/100:38:461
111391190,0ptp4l0-21swapper/100:22:211
111391180,2ptp4l0-21swapper/720:01:267
111391180,2ptp4l0-21swapper/720:01:267
111391180,0ptp4l0-21swapper/623:27:526
111391180,0ptp4l0-21swapper/622:49:376
111391180,0ptp4l0-21swapper/621:15:456
111391180,0ptp4l0-21swapper/523:54:025
111391180,0ptp4l0-21swapper/523:00:215
111391180,0ptp4l0-21swapper/521:57:295
111391180,0ptp4l0-21swapper/500:35:265
111391180,0ptp4l0-21swapper/300:01:433
111391180,0ptp4l0-21swapper/220:04:492
111391180,0ptp4l0-21swapper/220:04:492
111391180,0ptp4l0-21swapper/200:10:322
111391180,0ptp4l0-21swapper/122:12:301
111391180,0ptp4l0-21swapper/122:06:181
111391180,0ptp4l0-21swapper/122:00:251
111391180,0ptp4l0-21swapper/120:20:181
111391180,0ptp4l0-21swapper/100:12:531
111391180,0ptp4l0-21swapper/100:07:251
111391170,0ptp4l0-21swapper/700:01:437
111391170,0ptp4l0-21swapper/622:13:416
111391170,0ptp4l0-21swapper/523:41:085
111391170,0ptp4l0-21swapper/522:58:205
111391170,0ptp4l0-21swapper/519:30:175
111391170,0ptp4l0-21swapper/500:00:285
111391170,0ptp4l0-21swapper/320:03:323
111391170,0ptp4l0-21swapper/320:03:313
111391170,0ptp4l0-21swapper/300:20:483
111391170,0ptp4l0-21swapper/223:49:322
111391170,0ptp4l0-21swapper/219:16:382
111391170,0ptp4l0-21swapper/119:20:231
111391160,0ptp4l0-21swapper/623:31:426
111391160,0ptp4l0-21swapper/622:16:056
111391160,0ptp4l0-21swapper/619:54:586
111391160,0ptp4l0-21swapper/523:47:035
111391160,0ptp4l0-21swapper/521:28:455
111391160,0ptp4l0-21swapper/320:11:313
111391160,0ptp4l0-21swapper/319:58:323
111391160,0ptp4l0-21swapper/223:31:422
111391160,0ptp4l0-21swapper/123:52:351
111391160,0ptp4l0-21swapper/121:25:261
111391160,0ptp4l0-21swapper/120:45:211
111391160,0ptp4l0-21swapper/120:44:521
111391160,0ptp4l0-21swapper/120:35:101
111391160,0ptp4l0-21swapper/120:17:531
111391160,0ptp4l0-21swapper/119:56:311
111391160,0ptp4l0-21swapper/119:50:091
111391160,0ptp4l0-21swapper/119:26:391
111391160,0ptp4l0-21swapper/119:17:281
111391160,0ptp4l0-21swapper/119:10:341
26363991510,1cyclictest4876-21munin-run23:10:002
111391150,0ptp4l0-21swapper/720:33:117
111391150,0ptp4l0-21swapper/719:20:397
111391150,0ptp4l0-21swapper/623:49:316
111391150,0ptp4l0-21swapper/623:12:326
111391150,0ptp4l0-21swapper/620:43:516
111391150,0ptp4l0-21swapper/620:31:596
111391150,0ptp4l0-21swapper/620:28:596
111391150,0ptp4l0-21swapper/620:22:136
111391150,0ptp4l0-21swapper/620:05:096
111391150,0ptp4l0-21swapper/620:04:246
111391150,0ptp4l0-21swapper/620:04:246
111391150,0ptp4l0-21swapper/619:38:496
111391150,0ptp4l0-21swapper/619:24:226
111391150,0ptp4l0-21swapper/619:16:416
111391150,0ptp4l0-21swapper/619:13:076
111391150,0ptp4l0-21swapper/600:35:416
111391150,0ptp4l0-21swapper/600:10:336
111391150,0ptp4l0-21swapper/523:39:135
111391150,0ptp4l0-21swapper/523:29:365
111391150,0ptp4l0-21swapper/521:02:055
111391150,0ptp4l0-21swapper/520:57:295
111391150,0ptp4l0-21swapper/520:32:165
111391150,0ptp4l0-21swapper/520:24:405
111391150,0ptp4l0-21swapper/520:17:535
111391150,0ptp4l0-21swapper/520:12:405
111391150,0ptp4l0-21swapper/519:50:105
111391150,0ptp4l0-21swapper/519:47:185
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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