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2026-06-02 - 13:03

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 Tue Jun 02, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155821190,2sleep60-21swapper/619:05:146
111391680,15ptp4l0-21swapper/119:05:121
35502640,0sleep20-21swapper/220:20:002
111391640,5ptp4l0-21swapper/019:08:390
111391600,6ptp4l0-21swapper/519:05:195
265425948,7sleep20-21swapper/219:08:252
111391560,5ptp4l0-21swapper/419:08:074
239925534,16sleep70-21swapper/719:05:257
111391520,5ptp4l0-21swapper/319:09:483
111391430,0ptp4l0-21swapper/521:49:255
111391330,0ptp4l0-21swapper/021:25:570
111391310,1ptp4l28356-21fw_conntrack21:55:131
111391310,0ptp4l0-21swapper/500:15:205
111391310,0ptp4l0-21swapper/123:00:131
111391310,0ptp4l0-21swapper/121:05:171
111391310,0ptp4l0-21swapper/021:51:190
111391300,0ptp4l0-21swapper/522:00:575
111391300,0ptp4l0-21swapper/521:11:535
111391300,0ptp4l0-21swapper/400:15:404
111391300,0ptp4l0-21swapper/123:15:211
111391300,0ptp4l0-21swapper/121:33:061
111391300,0ptp4l0-21swapper/121:21:581
111391300,0ptp4l0-21swapper/121:21:581
111391300,0ptp4l0-21swapper/100:37:151
111391290,4ptp4l0-21swapper/423:34:524
111391290,0ptp4l0-21swapper/523:19:555
111391290,0ptp4l0-21swapper/521:22:515
111391290,0ptp4l0-21swapper/521:22:515
111391290,0ptp4l0-21swapper/422:23:104
111391290,0ptp4l0-21swapper/421:19:254
111391290,0ptp4l0-21swapper/123:58:491
111391290,0ptp4l0-21swapper/123:58:491
111391290,0ptp4l0-21swapper/121:12:331
111391290,0ptp4l0-21swapper/022:11:200
111391280,4ptp4l26169-21diskmemload00:32:465
111391280,3ptp4l0-21swapper/523:55:445
111391280,3ptp4l0-21swapper/523:55:435
111391280,3ptp4l0-21swapper/100:27:041
111391280,1ptp4l23854-21ssh22:32:070
111391280,0ptp4l0-21swapper/523:26:395
111391280,0ptp4l0-21swapper/523:21:315
111391280,0ptp4l0-21swapper/522:38:375
111391280,0ptp4l0-21swapper/422:43:284
111391280,0ptp4l0-21swapper/422:04:054
111391280,0ptp4l0-21swapper/421:22:114
111391280,0ptp4l0-21swapper/421:22:114
111391280,0ptp4l0-21swapper/121:17:151
111391280,0ptp4l0-21swapper/100:31:361
111391280,0ptp4l0-21swapper/022:28:570
111391280,0ptp4l0-21swapper/020:27:410
111391270,2ptp4l0-21swapper/500:21:525
111391270,1ptp4l0-21swapper/020:00:120
111391270,0ptp4l0-21swapper/722:05:507
111391270,0ptp4l0-21swapper/700:01:087
111391270,0ptp4l0-21swapper/700:01:087
111391270,0ptp4l0-21swapper/523:36:535
111391270,0ptp4l0-21swapper/522:45:315
111391270,0ptp4l0-21swapper/522:41:175
111391270,0ptp4l0-21swapper/520:39:255
111391270,0ptp4l0-21swapper/520:10:205
111391270,0ptp4l0-21swapper/422:31:384
111391270,0ptp4l0-21swapper/422:17:114
111391270,0ptp4l0-21swapper/400:12:254
111391270,0ptp4l0-21swapper/300:00:253
111391270,0ptp4l0-21swapper/300:00:243
111391270,0ptp4l0-21swapper/123:46:301
111391270,0ptp4l0-21swapper/123:25:191
111391270,0ptp4l0-21swapper/123:24:031
111391270,0ptp4l0-21swapper/122:58:091
111391270,0ptp4l0-21swapper/122:10:551
111391270,0ptp4l0-21swapper/121:00:111
111391270,0ptp4l0-21swapper/100:11:091
111391270,0ptp4l0-21swapper/022:49:460
111391260,4ptp4l0-21swapper/000:09:540
111391260,3ptp4l0-21swapper/121:46:231
111391260,1ptp4l0-21swapper/423:01:004
111391260,0ptp4l0-21swapper/523:54:085
111391260,0ptp4l0-21swapper/522:08:275
111391260,0ptp4l0-21swapper/521:15:495
111391260,0ptp4l0-21swapper/519:15:155
111391260,0ptp4l0-21swapper/422:45:204
111391260,0ptp4l0-21swapper/422:35:394
111391260,0ptp4l0-21swapper/422:29:504
111391260,0ptp4l0-21swapper/421:55:154
111391260,0ptp4l0-21swapper/421:41:024
111391260,0ptp4l0-21swapper/123:43:491
111391260,0ptp4l0-21swapper/122:25:321
111391260,0ptp4l0-21swapper/121:51:101
111391260,0ptp4l0-21swapper/100:07:521
111391260,0ptp4l0-21swapper/023:12:450
111391260,0ptp4l0-21swapper/022:39:400
111391250,3ptp4l0-21swapper/023:49:210
111391250,1ptp4l25560-21cat21:05:215
111391250,1ptp4l18505-21users21:40:201
111391250,1ptp4l15375-21hddtemp_smartct20:45:140
111391250,1ptp4l13635-21fw_conntrack21:35:125
111391250,0ptp4l0-21swapper/523:41:125
111391250,0ptp4l0-21swapper/522:55:165
111391250,0ptp4l0-21swapper/522:30:125
111391250,0ptp4l0-21swapper/522:28:595
111391250,0ptp4l0-21swapper/522:21:205
111391250,0ptp4l0-21swapper/521:50:015
111391250,0ptp4l0-21swapper/521:30:015
111391250,0ptp4l0-21swapper/519:55:165
111391250,0ptp4l0-21swapper/519:30:125
111391250,0ptp4l0-21swapper/500:37:005
111391250,0ptp4l0-21swapper/500:15:005
111391250,0ptp4l0-21swapper/423:36:074
111391250,0ptp4l0-21swapper/422:11:504
111391250,0ptp4l0-21swapper/400:20:404
111391250,0ptp4l0-21swapper/123:10:141
111391250,0ptp4l0-21swapper/122:18:231
111391250,0ptp4l0-21swapper/122:00:211
111391250,0ptp4l0-21swapper/121:37:061
111391250,0ptp4l0-21swapper/121:25:141
111391250,0ptp4l0-21swapper/021:36:220
111391250,0ptp4l0-21swapper/000:24:490
111391240,1ptp4l9789-21irqstats00:25:165
111391240,0ptp4l0-21swapper/523:48:275
111391240,0ptp4l0-21swapper/523:35:005
111391240,0ptp4l0-21swapper/523:06:065
111391240,0ptp4l0-21swapper/523:00:145
111391240,0ptp4l0-21swapper/522:15:015
111391240,0ptp4l0-21swapper/521:55:175
111391240,0ptp4l0-21swapper/521:00:155
111391240,0ptp4l0-21swapper/520:15:015
111391240,0ptp4l0-21swapper/519:25:105
111391240,0ptp4l0-21swapper/423:28:274
111391240,0ptp4l0-21swapper/319:35:123
111391240,0ptp4l0-21swapper/123:30:401
111391240,0ptp4l0-21swapper/123:06:181
111391240,0ptp4l0-21swapper/122:54:391
111391240,0ptp4l0-21swapper/122:33:401
111391240,0ptp4l0-21swapper/119:30:141
111391240,0ptp4l0-21swapper/119:25:111
111391240,0ptp4l0-21swapper/100:15:201
111391240,0ptp4l0-21swapper/022:20:140
111391240,0ptp4l0-21swapper/019:42:130
111391230,1ptp4l28700-21munin-plugin-st20:05:005
111391230,0ptp4l0-21swapper/722:05:017
111391230,0ptp4l0-21swapper/719:35:137
111391230,0ptp4l0-21swapper/719:10:217
111391230,0ptp4l0-21swapper/621:16:486
111391230,0ptp4l0-21swapper/523:10:115
111391230,0ptp4l0-21swapper/522:50:145
111391230,0ptp4l0-21swapper/522:15:175
111391230,0ptp4l0-21swapper/521:40:175
111391230,0ptp4l0-21swapper/521:26:065
111391230,0ptp4l0-21swapper/520:50:165
111391230,0ptp4l0-21swapper/520:46:045
111391230,0ptp4l0-21swapper/520:43:335
111391230,0ptp4l0-21swapper/520:25:105
111391230,0ptp4l0-21swapper/520:20:135
111391230,0ptp4l0-21swapper/519:40:145
111391230,0ptp4l0-21swapper/519:20:125
111391230,0ptp4l0-21swapper/500:05:455
111391230,0ptp4l0-21swapper/500:00:145
111391230,0ptp4l0-21swapper/500:00:135
111391230,0ptp4l0-21swapper/423:20:204
111391230,0ptp4l0-21swapper/423:10:164
111391230,0ptp4l0-21swapper/422:50:134
111391230,0ptp4l0-21swapper/319:10:173
111391230,0ptp4l0-21swapper/123:35:171
111391230,0ptp4l0-21swapper/122:46:171
111391230,0ptp4l0-21swapper/120:55:181
111391230,0ptp4l0-21swapper/120:45:211
111391230,0ptp4l0-21swapper/120:40:151
111391230,0ptp4l0-21swapper/120:30:191
111391230,0ptp4l0-21swapper/120:25:101
111391230,0ptp4l0-21swapper/120:20:151
111391230,0ptp4l0-21swapper/120:05:141
111391230,0ptp4l0-21swapper/120:00:191
111391230,0ptp4l0-21swapper/119:55:131
111391230,0ptp4l0-21swapper/119:50:201
111391230,0ptp4l0-21swapper/119:40:171
111391230,0ptp4l0-21swapper/119:37:311
111391230,0ptp4l0-21swapper/119:20:151
111391230,0ptp4l0-21swapper/100:24:011
111391230,0ptp4l0-21swapper/100:05:001
111391230,0ptp4l0-21swapper/100:05:001
111391230,0ptp4l0-21swapper/023:05:200
111391230,0ptp4l0-21swapper/022:43:320
111391230,0ptp4l0-21swapper/022:19:530
111391230,0ptp4l0-21swapper/021:30:170
111391230,0ptp4l0-21swapper/021:20:170
111391230,0ptp4l0-21swapper/021:20:170
111391230,0ptp4l0-21swapper/020:40:180
111391230,0ptp4l0-21swapper/020:15:130
111391230,0ptp4l0-21swapper/020:10:000
111391230,0ptp4l0-21swapper/019:50:000
111391230,0ptp4l0-21swapper/000:35:130
111391220,1ptp4l2398-21/usr/sbin/munin20:15:191
111391220,0ptp4l26169-21diskmemload23:42:440
111391220,0ptp4l0-21swapper/721:59:047
111391220,0ptp4l0-21swapper/719:35:017
111391220,0ptp4l0-21swapper/520:55:145
111391220,0ptp4l0-21swapper/520:30:015
111391220,0ptp4l0-21swapper/520:05:145
111391220,0ptp4l0-21swapper/519:50:125
111391220,0ptp4l0-21swapper/519:49:445
111391220,0ptp4l0-21swapper/423:50:134
111391220,0ptp4l0-21swapper/423:05:214
111391220,0ptp4l0-21swapper/422:55:084
111391220,0ptp4l0-21swapper/422:08:374
111391220,0ptp4l0-21swapper/421:30:184
111391220,0ptp4l0-21swapper/421:10:134
111391220,0ptp4l0-21swapper/421:05:284
111391220,0ptp4l0-21swapper/420:15:124
111391220,0ptp4l0-21swapper/420:10:154
111391220,0ptp4l0-21swapper/400:36:434
111391220,0ptp4l0-21swapper/400:05:164
111391220,0ptp4l0-21swapper/400:00:104
111391220,0ptp4l0-21swapper/400:00:104
111391220,0ptp4l0-21swapper/322:05:113
111391220,0ptp4l0-21swapper/321:59:153
111391220,0ptp4l0-21swapper/222:26:302
111391220,0ptp4l0-21swapper/222:20:132
111391220,0ptp4l0-21swapper/222:10:172
111391220,0ptp4l0-21swapper/123:50:101
111391220,0ptp4l0-21swapper/122:41:531
111391220,0ptp4l0-21swapper/122:37:061
111391220,0ptp4l0-21swapper/122:20:271
111391220,0ptp4l0-21swapper/122:08:481
111391220,0ptp4l0-21swapper/120:50:151
111391220,0ptp4l0-21swapper/120:35:121
111391220,0ptp4l0-21swapper/120:10:161
111391220,0ptp4l0-21swapper/119:45:171
111391220,0ptp4l0-21swapper/023:50:160
111391220,0ptp4l0-21swapper/023:36:060
111391220,0ptp4l0-21swapper/023:28:500
111391220,0ptp4l0-21swapper/023:21:100
111391220,0ptp4l0-21swapper/023:15:000
111391220,0ptp4l0-21swapper/023:02:260
111391220,0ptp4l0-21swapper/022:56:370
111391220,0ptp4l0-21swapper/022:52:270
111391220,0ptp4l0-21swapper/022:07:120
111391220,0ptp4l0-21swapper/022:02:010
111391220,0ptp4l0-21swapper/021:55:150
111391220,0ptp4l0-21swapper/021:46:250
111391220,0ptp4l0-21swapper/021:42:230
111391220,0ptp4l0-21swapper/021:15:210
111391220,0ptp4l0-21swapper/021:10:120
111391220,0ptp4l0-21swapper/020:10:130
111391220,0ptp4l0-21swapper/019:15:120
111391220,0ptp4l0-21swapper/000:34:280
111391220,0ptp4l0-21swapper/000:25:400
111391220,0ptp4l0-21swapper/000:17:040
111391220,0ptp4l0-21swapper/000:10:190
111391220,0ptp4l0-21swapper/000:00:180
111391220,0ptp4l0-21swapper/000:00:180
111391210,0ptp4l0-21swapper/423:57:544
111391210,0ptp4l0-21swapper/423:57:534
111391210,0ptp4l0-21swapper/423:46:074
111391210,0ptp4l0-21swapper/423:41:294
111391210,0ptp4l0-21swapper/421:50:234
111391210,0ptp4l0-21swapper/421:46:404
111391210,0ptp4l0-21swapper/421:35:374
111391210,0ptp4l0-21swapper/421:25:554
111391210,0ptp4l0-21swapper/420:06:274
111391210,0ptp4l0-21swapper/400:33:484
111391210,0ptp4l0-21swapper/400:26:494
111391210,0ptp4l0-21swapper/322:04:453
111391210,0ptp4l0-21swapper/119:16:251
111391210,0ptp4l0-21swapper/023:56:060
111391210,0ptp4l0-21swapper/023:56:060
111391210,0ptp4l0-21swapper/023:30:050
111391200,0ptp4l0-21swapper/622:26:306
111391200,0ptp4l0-21swapper/622:10:216
111391200,0ptp4l0-21swapper/621:29:386
111391200,0ptp4l0-21swapper/600:03:096
111391200,0ptp4l0-21swapper/600:03:086
111391200,0ptp4l0-21swapper/519:36:235
111391200,0ptp4l0-21swapper/423:15:534
111391200,0ptp4l0-21swapper/421:04:254
111391200,0ptp4l0-21swapper/420:45:164
111391200,0ptp4l0-21swapper/223:52:182
111391200,0ptp4l0-21swapper/221:18:232
111391200,0ptp4l0-21swapper/119:12:251
111391200,0ptp4l0-21swapper/019:56:240
111391190,2ptp4l0-21swapper/519:11:435
111391190,0ptp4l0-21swapper/622:42:206
111391190,0ptp4l0-21swapper/621:36:096
111391190,0ptp4l0-21swapper/321:04:393
111391190,0ptp4l0-21swapper/319:41:403
111391190,0ptp4l0-21swapper/200:03:072
111391190,0ptp4l0-21swapper/200:03:072
111391190,0ptp4l0-21swapper/021:05:250
111391190,0ptp4l0-21swapper/019:38:250
111391190,0ptp4l0-21swapper/019:20:530
69472180,0sleep70-21swapper/722:53:537
111391180,1ptp4l9765-21ksmtuned20:30:410
111391180,0ptp4l0-21swapper/621:52:206
111391180,0ptp4l0-21swapper/419:45:144
111391180,0ptp4l0-21swapper/300:09:093
111391180,0ptp4l0-21swapper/222:42:172
111391180,0ptp4l0-21swapper/221:28:572
111391180,0ptp4l0-21swapper/019:12:360
111391170,0ptp4l0-21swapper/222:07:202
111391170,0ptp4l0-21swapper/221:52:232
111391170,0ptp4l0-21swapper/020:20:320
111391170,0ptp4l0-21swapper/019:30:020
111391160,1ptp4l9-21ksoftirqd/019:25:310
111391160,1ptp4l0-21swapper/319:34:473
111391160,0ptp4l0-21swapper/721:04:357
111391160,0ptp4l0-21swapper/620:45:056
111391160,0ptp4l0-21swapper/420:44:184
111391160,0ptp4l0-21swapper/420:37:224
111391160,0ptp4l0-21swapper/420:27:544
111391160,0ptp4l0-21swapper/419:52:324
111391160,0ptp4l0-21swapper/419:36:324
111391160,0ptp4l0-21swapper/419:15:384
111391160,0ptp4l0-21swapper/223:12:332
111391160,0ptp4l0-21swapper/222:36:172
111391160,0ptp4l0-21swapper/020:50:450
111391150,0ptp4l0-21swapper/719:45:027
111391150,0ptp4l0-21swapper/719:41:397
111391150,0ptp4l0-21swapper/700:09:147
111391150,0ptp4l0-21swapper/623:52:196
111391150,0ptp4l0-21swapper/623:12:356
111391150,0ptp4l0-21swapper/622:36:186
111391150,0ptp4l0-21swapper/622:24:526
111391150,0ptp4l0-21swapper/622:07:216
111391150,0ptp4l0-21swapper/619:57:476
111391150,0ptp4l0-21swapper/420:51:394
111391150,0ptp4l0-21swapper/420:30:424
111391150,0ptp4l0-21swapper/420:21:164
111391150,0ptp4l0-21swapper/420:01:294
111391150,0ptp4l0-21swapper/419:56:134
111391150,0ptp4l0-21swapper/419:41:214
111391150,0ptp4l0-21swapper/419:34:434
111391150,0ptp4l0-21swapper/419:26:014
111391150,0ptp4l0-21swapper/419:20:534
111391150,0ptp4l0-21swapper/419:10:334
111391150,0ptp4l0-21swapper/319:45:013
111391150,0ptp4l0-21swapper/220:45:012
111391150,0ptp4l0-21swapper/220:07:052
111391150,0ptp4l0-21swapper/021:00:230
111391150,0ptp4l0-21swapper/020:57:260
111391150,0ptp4l0-21swapper/020:35:310
111391150,0ptp4l0-21swapper/019:52:100
111391140,0ptp4l0-21swapper/620:53:096
111391140,0ptp4l0-21swapper/620:07:026
111391140,0ptp4l0-21swapper/420:57:264
111391140,0ptp4l0-21swapper/219:57:472
309999130,9cyclictest0-21swapper/721:48:167
309999130,12cyclictest0-21swapper/722:24:437
3071991311,1cyclictest26173-21munin-run21:10:003
307199130,12cyclictest0-21swapper/322:30:003
111391130,0ptp4l0-21swapper/222:32:112
309999124,1cyclictest26622-21acpi21:10:117
309999115,1cyclictest6846-21/usr/sbin/munin22:10:167
309999110,6cyclictest3512-21sshd23:32:247
309299110,10cyclictest0-21swapper/621:58:426
307199110,10cyclictest0-21swapper/320:10:113
309999109,0cyclictest0-21swapper/700:19:187
309999106,3cyclictest0-21swapper/720:35:207
309999104,1cyclictest707-21systemd-logind00:25:007
309999104,1cyclictest3200-21sh22:48:557
309999104,1cyclictest31028-21if_virbr0-nic21:15:187
309999104,1cyclictest25832-21timerwakeupswit19:55:207
309999104,1cyclictest17146-21irqrtprio00:35:147
309999104,1cyclictest1068-21runrttasks20:00:417
309999104,1cyclictest10356-21latency_hist19:25:017
309999103,2cyclictest1061-21snmpd20:07:047
309999103,1cyclictest30807-21if_err_eno100:10:157
309999103,1cyclictest23790-21sh22:31:557
309999100,9cyclictest0-21swapper/723:25:517
309999100,9cyclictest0-21swapper/721:53:557
309999100,0cyclictest0-21swapper/722:58:127
309299109,0cyclictest0-21swapper/600:12:176
306599109,0cyclictest0-21swapper/200:21:252
306599100,9cyclictest0-21swapper/222:54:022
30999998,0cyclictest0-21swapper/723:39:327
30999998,0cyclictest0-21swapper/723:05:177
30999998,0cyclictest0-21swapper/721:23:357
30999998,0cyclictest0-21swapper/721:23:357
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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