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2026-03-28 - 06:18

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 Sat Mar 28, 2026 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1881916340,6phc2sys0-21swapper/419:05:274
111391630,31ptp4l0-21swapper/119:07:511
1881915937,7phc2sys0-21swapper/019:09:510
321225746,7sleep20-21swapper/219:07:272
337225635,6sleep70-21swapper/719:09:327
314225635,7sleep50-21swapper/519:06:345
123872550,0sleep6631rcuc/621:34:036
306325231,7sleep30-21swapper/319:05:353
326924931,6sleep60-21swapper/619:08:106
111391360,0ptp4l0-21swapper/000:15:000
111391340,1ptp4l13250-21cpuspeed_turbos21:35:114
111391340,0ptp4l0-21swapper/420:35:214
111391340,0ptp4l0-21swapper/022:50:140
111391330,0ptp4l0-21swapper/323:39:403
111391330,0ptp4l0-21swapper/123:40:111
111391320,6ptp4l27899-21uptime23:25:184
111391310,0ptp4l0-21swapper/422:30:414
111391310,0ptp4l0-21swapper/300:09:273
111391310,0ptp4l0-21swapper/300:09:273
111391310,0ptp4l0-21swapper/022:33:130
111391310,0ptp4l0-21swapper/021:49:300
111391310,0ptp4l0-21swapper/000:30:210
111391310,0ptp4l0-21swapper/000:15:130
111391300,0ptp4l3962-21ssh23:39:094
111391300,0ptp4l0-21swapper/423:53:364
111391300,0ptp4l0-21swapper/422:07:354
111391300,0ptp4l0-21swapper/421:24:214
111391300,0ptp4l0-21swapper/023:24:090
111391300,0ptp4l0-21swapper/023:09:110
111391300,0ptp4l0-21swapper/022:42:070
111391300,0ptp4l0-21swapper/022:25:220
111391300,0ptp4l0-21swapper/020:55:170
111391290,4ptp4l0-21swapper/700:29:077
111391290,3ptp4l0-21swapper/022:16:590
111391290,0ptp4l0-21swapper/422:18:384
111391290,0ptp4l0-21swapper/422:02:584
111391290,0ptp4l0-21swapper/421:59:274
111391290,0ptp4l0-21swapper/300:04:013
111391290,0ptp4l0-21swapper/121:29:171
111391290,0ptp4l0-21swapper/121:29:171
111391290,0ptp4l0-21swapper/100:01:181
111391290,0ptp4l0-21swapper/023:12:440
111391290,0ptp4l0-21swapper/022:22:060
111391290,0ptp4l0-21swapper/022:02:180
111391290,0ptp4l0-21swapper/021:30:120
111391290,0ptp4l0-21swapper/021:12:210
111391290,0ptp4l0-21swapper/000:04:430
111391280,0ptp4l0-21swapper/721:54:437
111391280,0ptp4l0-21swapper/423:17:454
111391280,0ptp4l0-21swapper/423:12:484
111391280,0ptp4l0-21swapper/422:58:334
111391280,0ptp4l0-21swapper/422:27:434
111391280,0ptp4l0-21swapper/422:23:544
111391280,0ptp4l0-21swapper/421:43:294
111391280,0ptp4l0-21swapper/300:29:193
111391280,0ptp4l0-21swapper/122:36:121
111391280,0ptp4l0-21swapper/023:58:270
111391280,0ptp4l0-21swapper/023:47:150
111391280,0ptp4l0-21swapper/022:35:300
111391280,0ptp4l0-21swapper/000:22:060
111391270,3ptp4l0-21swapper/723:39:417
111391270,0ptp4l0-21swapper/520:30:125
111391270,0ptp4l0-21swapper/423:41:594
111391270,0ptp4l0-21swapper/423:34:204
111391270,0ptp4l0-21swapper/421:51:264
111391270,0ptp4l0-21swapper/421:05:124
111391270,0ptp4l0-21swapper/023:19:480
111391270,0ptp4l0-21swapper/022:08:160
111391270,0ptp4l0-21swapper/021:42:210
111391270,0ptp4l0-21swapper/000:38:410
111391260,0ptp4l0-21swapper/723:02:007
111391260,0ptp4l0-21swapper/423:57:144
111391260,0ptp4l0-21swapper/422:36:404
111391260,0ptp4l0-21swapper/421:11:564
111391260,0ptp4l0-21swapper/421:00:194
111391260,0ptp4l0-21swapper/400:35:304
111391260,0ptp4l0-21swapper/023:36:060
111391260,0ptp4l0-21swapper/021:38:380
111391260,0ptp4l0-21swapper/021:25:170
111391260,0ptp4l0-21swapper/021:25:170
111391250,1ptp4l25969-21cat23:25:004
111391250,0ptp4l0-21swapper/523:50:125
111391250,0ptp4l0-21swapper/500:30:005
111391250,0ptp4l0-21swapper/421:30:484
111391250,0ptp4l0-21swapper/421:25:154
111391250,0ptp4l0-21swapper/421:25:144
111391250,0ptp4l0-21swapper/419:35:124
111391250,0ptp4l0-21swapper/400:34:024
111391250,0ptp4l0-21swapper/123:48:401
111391250,0ptp4l0-21swapper/123:00:001
111391250,0ptp4l0-21swapper/121:34:521
111391250,0ptp4l0-21swapper/022:55:140
111391250,0ptp4l0-21swapper/022:48:200
111391250,0ptp4l0-21swapper/021:21:220
111391250,0ptp4l0-21swapper/019:37:100
111391250,0ptp4l0-21swapper/000:05:510
111391250,0ptp4l0-21swapper/000:05:510
111391240,5ptp4l0-21swapper/419:51:024
111391240,1ptp4l30590-21grub2-editenv20:05:165
111391240,0ptp4l26791-21diskmemload00:24:243
111391240,0ptp4l0-21swapper/521:50:165
111391240,0ptp4l0-21swapper/423:08:054
111391240,0ptp4l0-21swapper/420:44:194
111391240,0ptp4l0-21swapper/420:11:324
111391240,0ptp4l0-21swapper/420:06:054
111391240,0ptp4l0-21swapper/419:55:204
111391240,0ptp4l0-21swapper/419:33:254
111391240,0ptp4l0-21swapper/400:10:084
111391240,0ptp4l0-21swapper/400:05:174
111391240,0ptp4l0-21swapper/400:05:174
111391240,0ptp4l0-21swapper/121:10:131
111391240,0ptp4l0-21swapper/119:10:191
111391240,0ptp4l0-21swapper/100:20:191
111391240,0ptp4l0-21swapper/100:10:111
111391240,0ptp4l0-21swapper/023:51:120
111391240,0ptp4l0-21swapper/023:41:590
111391240,0ptp4l0-21swapper/021:57:280
111391240,0ptp4l0-21swapper/021:19:040
111391240,0ptp4l0-21swapper/020:54:120
111391240,0ptp4l0-21swapper/020:38:110
111391240,0ptp4l0-21swapper/020:20:080
111391240,0ptp4l0-21swapper/020:17:150
111391240,0ptp4l0-21swapper/020:11:410
111391240,0ptp4l0-21swapper/020:03:270
111391240,0ptp4l0-21swapper/019:15:000
111391240,0ptp4l0-21swapper/019:11:060
111391230,2ptp4l0-21swapper/019:56:270
111391230,1ptp4l31931-21latency_hist00:20:001
111391230,1ptp4l28839-21sh23:28:031
111391230,1ptp4l22094-21ssh22:32:251
111391230,0ptp4l16408-21smartctl23:55:181
111391230,0ptp4l0-21swapper/523:40:145
111391230,0ptp4l0-21swapper/522:50:215
111391230,0ptp4l0-21swapper/522:45:145
111391230,0ptp4l0-21swapper/522:24:545
111391230,0ptp4l0-21swapper/521:30:185
111391230,0ptp4l0-21swapper/521:20:185
111391230,0ptp4l0-21swapper/520:50:155
111391230,0ptp4l0-21swapper/520:15:155
111391230,0ptp4l0-21swapper/520:10:155
111391230,0ptp4l0-21swapper/519:40:155
111391230,0ptp4l0-21swapper/519:30:165
111391230,0ptp4l0-21swapper/519:15:205
111391230,0ptp4l0-21swapper/519:10:155
111391230,0ptp4l0-21swapper/500:35:125
111391230,0ptp4l0-21swapper/500:30:165
111391230,0ptp4l0-21swapper/500:20:135
111391230,0ptp4l0-21swapper/500:00:145
111391230,0ptp4l0-21swapper/500:00:015
111391230,0ptp4l0-21swapper/423:45:154
111391230,0ptp4l0-21swapper/423:02:544
111391230,0ptp4l0-21swapper/422:46:464
111391230,0ptp4l0-21swapper/422:42:544
111391230,0ptp4l0-21swapper/422:14:414
111391230,0ptp4l0-21swapper/421:45:184
111391230,0ptp4l0-21swapper/421:15:104
111391230,0ptp4l0-21swapper/420:28:334
111391230,0ptp4l0-21swapper/420:20:174
111391230,0ptp4l0-21swapper/420:16:494
111391230,0ptp4l0-21swapper/420:00:114
111391230,0ptp4l0-21swapper/419:45:184
111391230,0ptp4l0-21swapper/419:26:094
111391230,0ptp4l0-21swapper/419:15:014
111391230,0ptp4l0-21swapper/419:12:514
111391230,0ptp4l0-21swapper/400:20:214
111391230,0ptp4l0-21swapper/400:15:114
111391230,0ptp4l0-21swapper/323:00:173
111391230,0ptp4l0-21swapper/322:20:343
111391230,0ptp4l0-21swapper/321:55:153
111391230,0ptp4l0-21swapper/321:52:533
111391230,0ptp4l0-21swapper/219:20:202
111391230,0ptp4l0-21swapper/121:50:011
111391230,0ptp4l0-21swapper/121:20:171
111391230,0ptp4l0-21swapper/120:50:141
111391230,0ptp4l0-21swapper/120:30:151
111391230,0ptp4l0-21swapper/120:10:131
111391230,0ptp4l0-21swapper/119:40:161
111391230,0ptp4l0-21swapper/119:30:151
111391230,0ptp4l0-21swapper/119:25:121
111391230,0ptp4l0-21swapper/100:06:591
111391230,0ptp4l0-21swapper/100:06:591
111391230,0ptp4l0-21swapper/023:25:170
111391230,0ptp4l0-21swapper/022:14:380
111391230,0ptp4l0-21swapper/020:47:200
111391230,0ptp4l0-21swapper/020:40:140
111391230,0ptp4l0-21swapper/020:25:160
111391230,0ptp4l0-21swapper/019:23:080
111391230,0ptp4l0-21swapper/000:25:180
111391220,0ptp4l15708-21ssh22:24:191
111391220,0ptp4l0-21swapper/722:51:077
111391220,0ptp4l0-21swapper/721:55:147
111391220,0ptp4l0-21swapper/700:24:457
111391220,0ptp4l0-21swapper/700:17:567
111391220,0ptp4l0-21swapper/700:03:457
111391220,0ptp4l0-21swapper/619:20:136
111391220,0ptp4l0-21swapper/523:45:135
111391220,0ptp4l0-21swapper/523:35:195
111391220,0ptp4l0-21swapper/523:30:125
111391220,0ptp4l0-21swapper/523:26:355
111391220,0ptp4l0-21swapper/523:20:145
111391220,0ptp4l0-21swapper/523:10:215
111391220,0ptp4l0-21swapper/522:44:275
111391220,0ptp4l0-21swapper/522:28:255
111391220,0ptp4l0-21swapper/521:46:255
111391220,0ptp4l0-21swapper/521:27:275
111391220,0ptp4l0-21swapper/521:27:275
111391220,0ptp4l0-21swapper/521:10:015
111391220,0ptp4l0-21swapper/520:45:135
111391220,0ptp4l0-21swapper/519:55:135
111391220,0ptp4l0-21swapper/500:17:415
111391220,0ptp4l0-21swapper/500:10:115
111391220,0ptp4l0-21swapper/500:05:155
111391220,0ptp4l0-21swapper/500:05:155
111391220,0ptp4l0-21swapper/422:50:144
111391220,0ptp4l0-21swapper/420:55:134
111391220,0ptp4l0-21swapper/420:50:194
111391220,0ptp4l0-21swapper/420:45:144
111391220,0ptp4l0-21swapper/419:42:564
111391220,0ptp4l0-21swapper/321:22:373
111391220,0ptp4l0-21swapper/200:39:412
111391220,0ptp4l0-21swapper/123:50:141
111391220,0ptp4l0-21swapper/123:35:201
111391220,0ptp4l0-21swapper/123:30:131
111391220,0ptp4l0-21swapper/123:10:191
111391220,0ptp4l0-21swapper/122:50:131
111391220,0ptp4l0-21swapper/122:45:111
111391220,0ptp4l0-21swapper/122:29:091
111391220,0ptp4l0-21swapper/122:09:541
111391220,0ptp4l0-21swapper/121:50:141
111391220,0ptp4l0-21swapper/121:41:441
111391220,0ptp4l0-21swapper/120:15:171
111391220,0ptp4l0-21swapper/120:05:131
111391220,0ptp4l0-21swapper/119:55:121
111391220,0ptp4l0-21swapper/119:50:191
111391220,0ptp4l0-21swapper/119:15:151
111391220,0ptp4l0-21swapper/100:35:181
111391220,0ptp4l0-21swapper/100:30:131
111391220,0ptp4l0-21swapper/023:30:330
111391220,0ptp4l0-21swapper/023:00:030
111391220,0ptp4l0-21swapper/021:50:130
111391220,0ptp4l0-21swapper/021:05:130
111391220,0ptp4l0-21swapper/021:00:130
111391220,0ptp4l0-21swapper/020:30:170
111391220,0ptp4l0-21swapper/020:07:260
111391220,0ptp4l0-21swapper/019:45:110
111391210,0ptp4l0-21swapper/722:27:237
111391210,0ptp4l0-21swapper/720:45:537
111391210,0ptp4l0-21swapper/700:36:407
111391210,0ptp4l0-21swapper/600:38:566
111391210,0ptp4l0-21swapper/600:15:096
111391210,0ptp4l0-21swapper/523:07:005
111391210,0ptp4l0-21swapper/522:57:535
111391210,0ptp4l0-21swapper/522:36:195
111391210,0ptp4l0-21swapper/522:31:565
111391210,0ptp4l0-21swapper/522:17:465
111391210,0ptp4l0-21swapper/522:12:435
111391210,0ptp4l0-21swapper/522:02:235
111391210,0ptp4l0-21swapper/420:30:004
111391210,0ptp4l0-21swapper/419:22:214
111391210,0ptp4l0-21swapper/400:27:194
111391210,0ptp4l0-21swapper/400:00:264
111391210,0ptp4l0-21swapper/300:17:573
111391210,0ptp4l0-21swapper/222:53:202
111391210,0ptp4l0-21swapper/221:34:092
111391210,0ptp4l0-21swapper/123:07:041
111391210,0ptp4l0-21swapper/123:03:541
111391210,0ptp4l0-21swapper/122:40:461
111391210,0ptp4l0-21swapper/122:14:541
111391210,0ptp4l0-21swapper/119:47:261
111391210,0ptp4l0-21swapper/100:29:541
111391200,0ptp4l0-21swapper/723:13:037
111391200,0ptp4l0-21swapper/722:20:227
111391200,0ptp4l0-21swapper/721:22:487
111391200,0ptp4l0-21swapper/700:09:247
111391200,0ptp4l0-21swapper/700:09:247
111391200,0ptp4l0-21swapper/623:53:556
111391200,0ptp4l0-21swapper/600:20:586
111391200,0ptp4l0-21swapper/520:57:535
111391200,0ptp4l0-21swapper/323:29:213
111391200,0ptp4l0-21swapper/322:27:213
111391200,0ptp4l0-21swapper/300:36:393
111391200,0ptp4l0-21swapper/223:29:332
111391200,0ptp4l0-21swapper/221:26:192
111391200,0ptp4l0-21swapper/221:26:182
111391200,0ptp4l0-21swapper/123:23:361
111391200,0ptp4l0-21swapper/123:15:531
111391200,0ptp4l0-21swapper/122:17:451
111391200,0ptp4l0-21swapper/122:00:331
111391200,0ptp4l0-21swapper/120:56:531
111391200,0ptp4l0-21swapper/120:41:251
111391200,0ptp4l0-21swapper/120:36:301
111391200,0ptp4l0-21swapper/120:29:251
111391200,0ptp4l0-21swapper/120:04:511
111391200,0ptp4l0-21swapper/019:31:510
111391190,0ptp4l0-21swapper/719:39:517
111391190,0ptp4l0-21swapper/623:09:236
111391190,0ptp4l0-21swapper/621:26:176
111391190,0ptp4l0-21swapper/621:26:176
111391190,0ptp4l0-21swapper/523:15:405
111391190,0ptp4l0-21swapper/521:41:415
111391190,0ptp4l0-21swapper/521:37:355
111391190,0ptp4l0-21swapper/520:41:335
111391190,0ptp4l0-21swapper/519:50:185
111391190,0ptp4l0-21swapper/519:39:025
111391190,0ptp4l0-21swapper/519:25:115
111391190,0ptp4l0-21swapper/223:07:442
111391190,0ptp4l0-21swapper/222:19:532
111391190,0ptp4l0-21swapper/222:12:122
111391190,0ptp4l0-21swapper/219:33:512
111391190,0ptp4l0-21swapper/200:20:582
111391190,0ptp4l0-21swapper/121:39:511
111391190,0ptp4l0-21swapper/019:51:240
278572180,0sleep70-21swapper/700:13:227
111391180,0ptp4l0-21swapper/723:29:197
111391180,0ptp4l0-21swapper/621:44:026
111391180,0ptp4l0-21swapper/522:09:545
111391180,0ptp4l0-21swapper/521:19:345
111391180,0ptp4l0-21swapper/520:24:265
111391180,0ptp4l0-21swapper/519:45:365
111391180,0ptp4l0-21swapper/323:13:063
111391180,0ptp4l0-21swapper/322:51:033
111391180,0ptp4l0-21swapper/223:10:342
111391180,0ptp4l0-21swapper/221:44:022
111391180,0ptp4l0-21swapper/121:19:311
111391170,0ptp4l0-21swapper/622:12:116
111391170,0ptp4l0-21swapper/600:13:006
111391170,0ptp4l0-21swapper/523:03:555
111391170,0ptp4l0-21swapper/323:17:383
111391170,0ptp4l0-21swapper/223:53:542
111391170,0ptp4l0-21swapper/200:12:552
111391170,0ptp4l0-21swapper/121:08:581
111391170,0ptp4l0-21swapper/120:49:591
111391170,0ptp4l0-21swapper/019:44:390
111391170,0ptp4l0-21swapper/019:25:210
372299163,7cyclictest0-21swapper/721:00:147
3689991612,3cyclictest17618-21munin-run20:50:002
111391160,1ptp4l65-21ksoftirqd/619:46:076
111391160,0ptp4l0-21swapper/623:29:326
111391160,0ptp4l0-21swapper/622:19:546
111391160,0ptp4l0-21swapper/619:38:266
111391160,0ptp4l0-21swapper/619:33:286
111391160,0ptp4l0-21swapper/521:06:185
111391160,0ptp4l0-21swapper/520:25:005
111391160,0ptp4l0-21swapper/520:04:305
111391160,0ptp4l0-21swapper/221:17:292
111391160,0ptp4l0-21swapper/121:57:421
111391160,0ptp4l0-21swapper/119:39:441
111391160,0ptp4l0-21swapper/119:21:421
107272160,0sleep70-21swapper/721:30:207
111391150,0ptp4l0-21swapper/723:17:387
111391150,0ptp4l0-21swapper/623:10:346
111391150,0ptp4l0-21swapper/620:42:066
111391150,0ptp4l0-21swapper/620:37:296
111391150,0ptp4l0-21swapper/619:55:296
111391150,0ptp4l0-21swapper/521:00:385
111391150,0ptp4l0-21swapper/520:36:245
111391150,0ptp4l0-21swapper/519:21:475
111391150,0ptp4l0-21swapper/320:45:523
111391150,0ptp4l0-21swapper/319:39:513
111391150,0ptp4l0-21swapper/220:42:132
111391150,0ptp4l0-21swapper/220:37:322
111391150,0ptp4l0-21swapper/220:26:092
111391150,0ptp4l0-21swapper/219:55:372
111391150,0ptp4l0-21swapper/219:38:272
111391150,0ptp4l0-21swapper/219:18:242
111391150,0ptp4l0-21swapper/121:00:271
111391150,0ptp4l0-21swapper/120:22:261
368999140,13cyclictest0-21swapper/223:35:252
368999140,13cyclictest0-21swapper/222:04:222
368999140,13cyclictest0-21swapper/200:31:102
368999140,13cyclictest0-21swapper/200:04:472
111391140,0ptp4l0-21swapper/620:26:106
111391140,0ptp4l0-21swapper/619:18:246
111391140,0ptp4l0-21swapper/220:59:192
111391140,0ptp4l0-21swapper/219:46:082
111391140,0ptp4l0-21swapper/200:15:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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