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2026-06-09 - 13:41

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 09, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
222102650,0sleep20-21swapper/222:18:062
111391630,26ptp4l0-21swapper/119:05:201
1194426039,6sleep70-21swapper/719:05:407
111391600,29ptp4l0-21swapper/019:07:200
309412580,1sleep7721ktimersoftd/721:45:187
1881915837,6phc2sys0-21swapper/219:09:182
111391580,6ptp4l0-21swapper/419:09:074
1209225533,7sleep50-21swapper/519:07:305
274032540,0sleep50-21swapper/521:40:195
1037924735,7sleep30-21swapper/319:05:033
1190724635,6sleep60-21swapper/619:05:236
111391340,0ptp4l0-21swapper/021:11:310
111391330,1ptp4l8608-21open_files21:15:164
111391320,0ptp4l0-21swapper/021:40:150
111391310,1ptp4l1068-21runrttasks20:45:205
111391310,0ptp4l0-21swapper/723:00:147
111391300,0ptp4l0-21swapper/523:25:155
111391290,0ptp4l3321-21diskmemload22:18:004
111391290,0ptp4l0-21swapper/421:40:174
111391290,0ptp4l0-21swapper/400:33:194
111391290,0ptp4l0-21swapper/400:27:504
111391290,0ptp4l0-21swapper/023:45:170
111391290,0ptp4l0-21swapper/023:06:590
111391290,0ptp4l0-21swapper/000:07:380
111391280,0ptp4l0-21swapper/522:08:275
111391280,0ptp4l0-21swapper/422:28:314
111391280,0ptp4l0-21swapper/422:12:024
111391280,0ptp4l0-21swapper/023:11:570
111391280,0ptp4l0-21swapper/021:48:240
111391280,0ptp4l0-21swapper/000:28:520
111391270,0ptp4l0-21swapper/523:42:435
111391270,0ptp4l0-21swapper/423:09:184
111391270,0ptp4l0-21swapper/422:46:544
111391270,0ptp4l0-21swapper/421:10:564
111391270,0ptp4l0-21swapper/420:35:134
111391270,0ptp4l0-21swapper/400:00:014
111391270,0ptp4l0-21swapper/322:54:223
111391270,0ptp4l0-21swapper/123:06:401
111391270,0ptp4l0-21swapper/121:53:251
111391270,0ptp4l0-21swapper/121:53:251
111391270,0ptp4l0-21swapper/100:00:401
111391270,0ptp4l0-21swapper/023:51:450
111391270,0ptp4l0-21swapper/023:39:560
111391270,0ptp4l0-21swapper/023:17:290
111391270,0ptp4l0-21swapper/022:38:580
111391270,0ptp4l0-21swapper/022:27:350
111391270,0ptp4l0-21swapper/021:59:570
111391270,0ptp4l0-21swapper/021:26:530
111391270,0ptp4l0-21swapper/021:21:080
111391270,0ptp4l0-21swapper/021:15:370
111391270,0ptp4l0-21swapper/019:25:140
111391270,0ptp4l0-21swapper/000:35:020
111391270,0ptp4l0-21swapper/000:31:020
111391270,0ptp4l0-21swapper/000:24:310
111391270,0ptp4l0-21swapper/000:24:310
111391270,0ptp4l0-21swapper/000:18:330
111391260,7ptp4l0-21swapper/523:56:165
111391260,0ptp4l0-21swapper/522:37:395
111391260,0ptp4l0-21swapper/522:31:395
111391260,0ptp4l0-21swapper/423:38:224
111391260,0ptp4l0-21swapper/423:33:254
111391260,0ptp4l0-21swapper/423:01:254
111391260,0ptp4l0-21swapper/421:25:364
111391260,0ptp4l0-21swapper/419:50:004
111391260,0ptp4l0-21swapper/023:21:200
111391260,0ptp4l0-21swapper/022:47:120
111391260,0ptp4l0-21swapper/022:30:080
111391260,0ptp4l0-21swapper/022:24:030
111391260,0ptp4l0-21swapper/022:18:210
111391260,0ptp4l0-21swapper/022:09:120
111391260,0ptp4l0-21swapper/020:39:140
111391250,0ptp4l0-21swapper/522:50:015
111391250,0ptp4l0-21swapper/519:30:005
111391250,0ptp4l0-21swapper/423:20:134
111391250,0ptp4l0-21swapper/423:12:204
111391250,0ptp4l0-21swapper/422:05:404
111391250,0ptp4l0-21swapper/422:00:434
111391250,0ptp4l0-21swapper/421:50:374
111391250,0ptp4l0-21swapper/421:50:374
111391250,0ptp4l0-21swapper/421:22:254
111391250,0ptp4l0-21swapper/421:05:124
111391250,0ptp4l0-21swapper/419:55:114
111391250,0ptp4l0-21swapper/400:20:004
111391250,0ptp4l0-21swapper/123:34:401
111391250,0ptp4l0-21swapper/122:50:181
111391250,0ptp4l0-21swapper/121:45:211
111391250,0ptp4l0-21swapper/121:17:131
111391250,0ptp4l0-21swapper/020:20:160
111391250,0ptp4l0-21swapper/000:12:130
111391240,1ptp4l5911-21diskstats22:40:114
111391240,1ptp4l18203-21df19:20:100
111391240,0ptp4l0-21swapper/722:57:507
111391240,0ptp4l0-21swapper/622:25:106
111391240,0ptp4l0-21swapper/523:54:315
111391240,0ptp4l0-21swapper/423:51:034
111391240,0ptp4l0-21swapper/421:58:224
111391240,0ptp4l0-21swapper/421:30:394
111391240,0ptp4l0-21swapper/420:25:184
111391240,0ptp4l0-21swapper/420:00:144
111391240,0ptp4l0-21swapper/419:30:164
111391240,0ptp4l0-21swapper/400:04:064
111391240,0ptp4l0-21swapper/023:29:570
111391240,0ptp4l0-21swapper/022:01:340
111391240,0ptp4l0-21swapper/021:54:060
111391240,0ptp4l0-21swapper/021:54:050
111391240,0ptp4l0-21swapper/020:10:180
111391240,0ptp4l0-21swapper/019:45:010
218652230,0sleep10-21swapper/100:30:141
111391230,3ptp4l0-21swapper/022:57:080
111391230,1ptp4l7247-21/usr/sbin/munin20:05:200
111391230,1ptp4l5860-21munin-run20:05:015
111391230,1ptp4l3469-21fw_conntrack00:05:144
111391230,1ptp4l17958-21df20:30:100
111391230,1ptp4l17511-21strings22:55:163
111391230,1ptp4l14104-21ls19:10:204
111391230,1ptp4l14104-21ls19:10:204
111391230,1ptp4l11334-21smartctl00:15:201
111391230,0ptp4l3321-21diskmemload21:35:195
111391230,0ptp4l24622-21timerandwakeup22:20:215
111391230,0ptp4l0-21swapper/521:53:395
111391230,0ptp4l0-21swapper/521:53:385
111391230,0ptp4l0-21swapper/520:50:155
111391230,0ptp4l0-21swapper/520:40:175
111391230,0ptp4l0-21swapper/520:20:105
111391230,0ptp4l0-21swapper/520:15:205
111391230,0ptp4l0-21swapper/520:10:215
111391230,0ptp4l0-21swapper/500:00:225
111391230,0ptp4l0-21swapper/423:45:154
111391230,0ptp4l0-21swapper/423:16:554
111391230,0ptp4l0-21swapper/422:52:414
111391230,0ptp4l0-21swapper/422:35:144
111391230,0ptp4l0-21swapper/421:47:134
111391230,0ptp4l0-21swapper/420:30:134
111391230,0ptp4l0-21swapper/420:10:174
111391230,0ptp4l0-21swapper/419:15:144
111391230,0ptp4l0-21swapper/400:35:154
111391230,0ptp4l0-21swapper/400:22:314
111391230,0ptp4l0-21swapper/400:22:304
111391230,0ptp4l0-21swapper/400:10:114
111391230,0ptp4l0-21swapper/321:32:113
111391230,0ptp4l0-21swapper/123:50:271
111391230,0ptp4l0-21swapper/122:40:161
111391230,0ptp4l0-21swapper/122:30:191
111391230,0ptp4l0-21swapper/120:45:191
111391230,0ptp4l0-21swapper/120:40:131
111391230,0ptp4l0-21swapper/023:55:200
111391230,0ptp4l0-21swapper/023:30:520
111391230,0ptp4l0-21swapper/021:30:200
111391230,0ptp4l0-21swapper/019:45:210
111391230,0ptp4l0-21swapper/019:10:160
111391230,0ptp4l0-21swapper/019:10:160
111391230,0ptp4l0-21swapper/000:02:240
111391220,2ptp4l0-21swapper/021:35:100
111391220,1ptp4l759-21grep19:50:192
111391220,1ptp4l30942-21ps21:45:195
111391220,0ptp4l3321-21diskmemload23:40:130
111391220,0ptp4l0-21swapper/721:32:187
111391220,0ptp4l0-21swapper/619:50:156
111391220,0ptp4l0-21swapper/600:22:396
111391220,0ptp4l0-21swapper/600:22:386
111391220,0ptp4l0-21swapper/523:47:185
111391220,0ptp4l0-21swapper/523:34:395
111391220,0ptp4l0-21swapper/523:15:115
111391220,0ptp4l0-21swapper/523:05:005
111391220,0ptp4l0-21swapper/523:00:205
111391220,0ptp4l0-21swapper/521:29:585
111391220,0ptp4l0-21swapper/521:24:455
111391220,0ptp4l0-21swapper/521:00:575
111391220,0ptp4l0-21swapper/520:05:235
111391220,0ptp4l0-21swapper/519:35:155
111391220,0ptp4l0-21swapper/423:40:154
111391220,0ptp4l0-21swapper/423:30:004
111391220,0ptp4l0-21swapper/422:30:114
111391220,0ptp4l0-21swapper/422:20:554
111391220,0ptp4l0-21swapper/421:35:154
111391220,0ptp4l0-21swapper/421:00:184
111391220,0ptp4l0-21swapper/420:55:194
111391220,0ptp4l0-21swapper/420:50:004
111391220,0ptp4l0-21swapper/420:40:174
111391220,0ptp4l0-21swapper/419:40:194
111391220,0ptp4l0-21swapper/419:35:184
111391220,0ptp4l0-21swapper/419:25:154
111391220,0ptp4l0-21swapper/322:05:173
111391220,0ptp4l0-21swapper/322:03:543
111391220,0ptp4l0-21swapper/223:19:172
111391220,0ptp4l0-21swapper/200:20:122
111391220,0ptp4l0-21swapper/200:20:112
111391220,0ptp4l0-21swapper/123:55:131
111391220,0ptp4l0-21swapper/123:43:211
111391220,0ptp4l0-21swapper/123:25:061
111391220,0ptp4l0-21swapper/123:15:121
111391220,0ptp4l0-21swapper/123:00:191
111391220,0ptp4l0-21swapper/122:56:371
111391220,0ptp4l0-21swapper/122:20:161
111391220,0ptp4l0-21swapper/122:14:361
111391220,0ptp4l0-21swapper/121:40:141
111391220,0ptp4l0-21swapper/121:35:161
111391220,0ptp4l0-21swapper/121:10:101
111391220,0ptp4l0-21swapper/120:55:131
111391220,0ptp4l0-21swapper/120:15:211
111391220,0ptp4l0-21swapper/120:05:161
111391220,0ptp4l0-21swapper/120:03:291
111391220,0ptp4l0-21swapper/119:55:231
111391220,0ptp4l0-21swapper/100:39:031
111391220,0ptp4l0-21swapper/100:24:021
111391220,0ptp4l0-21swapper/100:24:011
111391220,0ptp4l0-21swapper/100:05:131
111391220,0ptp4l0-21swapper/023:00:160
111391220,0ptp4l0-21swapper/022:42:280
111391220,0ptp4l0-21swapper/022:10:030
111391220,0ptp4l0-21swapper/020:00:110
111391220,0ptp4l0-21swapper/019:55:140
111391220,0ptp4l0-21swapper/019:52:120
111391220,0ptp4l0-21swapper/019:35:150
111391220,0ptp4l0-21swapper/019:30:160
111391220,0ptp4l0-21swapper/019:15:130
111391210,1ptp4l22547-21ssh21:35:032
111391210,0ptp4l0-21swapper/722:53:507
111391210,0ptp4l0-21swapper/722:41:007
111391210,0ptp4l0-21swapper/700:05:267
111391210,0ptp4l0-21swapper/621:42:316
111391210,0ptp4l0-21swapper/600:28:546
111391210,0ptp4l0-21swapper/523:35:005
111391210,0ptp4l0-21swapper/523:20:565
111391210,0ptp4l0-21swapper/523:14:355
111391210,0ptp4l0-21swapper/522:45:335
111391210,0ptp4l0-21swapper/522:27:055
111391210,0ptp4l0-21swapper/522:14:525
111391210,0ptp4l0-21swapper/521:17:345
111391210,0ptp4l0-21swapper/521:13:595
111391210,0ptp4l0-21swapper/520:55:105
111391210,0ptp4l0-21swapper/520:28:255
111391210,0ptp4l0-21swapper/519:20:015
111391210,0ptp4l0-21swapper/519:13:345
111391210,0ptp4l0-21swapper/519:13:335
111391210,0ptp4l0-21swapper/500:28:355
111391210,0ptp4l0-21swapper/500:15:235
111391210,0ptp4l0-21swapper/500:12:485
111391210,0ptp4l0-21swapper/422:56:314
111391210,0ptp4l0-21swapper/420:20:144
111391210,0ptp4l0-21swapper/419:54:384
111391210,0ptp4l0-21swapper/419:20:124
111391210,0ptp4l0-21swapper/323:00:133
111391210,0ptp4l0-21swapper/321:45:403
111391210,0ptp4l0-21swapper/223:39:002
111391210,0ptp4l0-21swapper/222:25:012
111391210,0ptp4l0-21swapper/221:42:282
111391210,0ptp4l0-21swapper/221:27:292
111391210,0ptp4l0-21swapper/123:49:361
111391210,0ptp4l0-21swapper/123:35:261
111391210,0ptp4l0-21swapper/123:21:101
111391210,0ptp4l0-21swapper/123:12:351
111391210,0ptp4l0-21swapper/122:47:371
111391210,0ptp4l0-21swapper/122:35:381
111391210,0ptp4l0-21swapper/122:08:371
111391210,0ptp4l0-21swapper/122:01:081
111391210,0ptp4l0-21swapper/121:30:001
111391210,0ptp4l0-21swapper/120:50:121
111391210,0ptp4l0-21swapper/120:10:221
111391210,0ptp4l0-21swapper/119:49:121
111391210,0ptp4l0-21swapper/119:35:131
111391210,0ptp4l0-21swapper/119:20:101
111391210,0ptp4l0-21swapper/100:12:461
111391210,0ptp4l0-21swapper/021:05:000
111391210,0ptp4l0-21swapper/021:00:140
111391210,0ptp4l0-21swapper/020:55:000
111391210,0ptp4l0-21swapper/020:45:140
111391210,0ptp4l0-21swapper/020:25:120
111391200,0ptp4l0-21swapper/722:03:467
111391200,0ptp4l0-21swapper/719:58:387
111391200,0ptp4l0-21swapper/623:30:296
111391200,0ptp4l0-21swapper/623:19:226
111391200,0ptp4l0-21swapper/623:12:506
111391200,0ptp4l0-21swapper/621:27:236
111391200,0ptp4l0-21swapper/522:01:045
111391200,0ptp4l0-21swapper/521:57:385
111391200,0ptp4l0-21swapper/521:30:055
111391200,0ptp4l0-21swapper/519:59:155
111391200,0ptp4l0-21swapper/519:49:145
111391200,0ptp4l0-21swapper/519:34:145
111391200,0ptp4l0-21swapper/500:39:475
111391200,0ptp4l0-21swapper/500:30:335
111391200,0ptp4l0-21swapper/500:08:525
111391200,0ptp4l0-21swapper/420:17:564
111391200,0ptp4l0-21swapper/420:07:164
111391200,0ptp4l0-21swapper/323:44:363
111391200,0ptp4l0-21swapper/223:30:282
111391200,0ptp4l0-21swapper/222:12:512
111391200,0ptp4l0-21swapper/220:09:562
111391200,0ptp4l0-21swapper/200:28:532
111391200,0ptp4l0-21swapper/122:25:391
111391200,0ptp4l0-21swapper/122:18:281
111391200,0ptp4l0-21swapper/121:57:451
111391200,0ptp4l0-21swapper/120:23:571
111391200,0ptp4l0-21swapper/119:18:561
111391200,0ptp4l0-21swapper/100:28:241
111391200,0ptp4l0-21swapper/022:50:130
111391200,0ptp4l0-21swapper/020:50:200
111391190,0ptp4l121rcu_preempt20:27:561
111391190,0ptp4l0-21swapper/722:05:157
111391190,0ptp4l0-21swapper/622:12:496
111391190,0ptp4l0-21swapper/522:41:365
111391190,0ptp4l0-21swapper/522:18:335
111391190,0ptp4l0-21swapper/500:20:355
111391190,0ptp4l0-21swapper/500:20:345
111391190,0ptp4l0-21swapper/322:40:333
111391190,0ptp4l0-21swapper/319:57:573
111391190,0ptp4l0-21swapper/221:45:112
111391190,0ptp4l0-21swapper/219:40:382
111391190,0ptp4l0-21swapper/200:19:582
111391190,0ptp4l0-21swapper/200:11:012
111391190,0ptp4l0-21swapper/121:30:041
111391190,0ptp4l0-21swapper/121:24:381
111391190,0ptp4l0-21swapper/120:36:371
111391190,0ptp4l0-21swapper/119:29:551
111391190,0ptp4l0-21swapper/020:40:180
111391190,0ptp4l0-21swapper/020:17:370
111391180,3ptp4l401ktimersoftd/320:37:073
111391180,0ptp4l0-21swapper/623:38:586
111391170,2ptp4l0-21swapper/120:31:461
111391170,0ptp4l0-21swapper/723:44:387
111391170,0ptp4l0-21swapper/619:40:586
111391170,0ptp4l0-21swapper/522:56:405
111391170,0ptp4l0-21swapper/222:03:222
111391160,0ptp4l0-21swapper/621:47:586
111391160,0ptp4l0-21swapper/620:09:576
111391160,0ptp4l0-21swapper/600:11:046
111391160,0ptp4l0-21swapper/519:44:565
111391160,0ptp4l0-21swapper/223:12:472
111391160,0ptp4l0-21swapper/221:03:262
111391160,0ptp4l0-21swapper/121:00:251
111391160,0ptp4l0-21swapper/119:53:261
111391160,0ptp4l0-21swapper/119:41:271
111391160,0ptp4l0-21swapper/119:32:401
111391150,0ptp4l0-21swapper/720:56:127
111391150,0ptp4l0-21swapper/621:35:046
111391150,0ptp4l0-21swapper/621:03:296
111391150,0ptp4l0-21swapper/619:46:076
111391150,0ptp4l0-21swapper/619:26:146
111391150,0ptp4l0-21swapper/619:19:536
111391150,0ptp4l0-21swapper/520:35:365
111391150,0ptp4l0-21swapper/520:31:465
111391150,0ptp4l0-21swapper/519:53:255
111391150,0ptp4l0-21swapper/519:15:085
111391150,0ptp4l0-21swapper/420:50:064
111391150,0ptp4l0-21swapper/320:56:033
111391150,0ptp4l0-21swapper/300:05:233
111391150,0ptp4l0-21swapper/220:55:342
111391150,0ptp4l0-21swapper/219:46:102
111391150,0ptp4l0-21swapper/119:10:441
111391150,0ptp4l0-21swapper/119:10:441
12604991412,1cyclictest0-21swapper/719:10:137
12604991412,1cyclictest0-21swapper/719:10:137
111391140,0ptp4l0-21swapper/720:37:067
111391140,0ptp4l0-21swapper/620:55:316
111391140,0ptp4l0-21swapper/620:10:026
111391140,0ptp4l0-21swapper/619:55:456
111391140,0ptp4l0-21swapper/220:10:012
111391140,0ptp4l0-21swapper/219:55:442
111391140,0ptp4l0-21swapper/219:25:542
111391140,0ptp4l0-21swapper/219:19:512
12598991310,1cyclictest83192irq/26-enp1s0-T22:37:416
1259899130,1cyclictest0-21swapper/621:20:136
1260499120,11cyclictest9269-21ssh22:45:117
1260499110,10cyclictest0-21swapper/721:12:477
1257599110,10cyclictest0-21swapper/320:20:193
1257099110,10cyclictest0-21swapper/223:58:502
1260499109,0cyclictest0-21swapper/723:12:037
1260499109,0cyclictest0-21swapper/721:26:177
1260499100,9cyclictest0-21swapper/723:53:237
1260499100,9cyclictest0-21swapper/723:32:487
1260499100,9cyclictest0-21swapper/721:39:497
1260499100,0cyclictest0-21swapper/722:25:147
1260499100,0cyclictest0-21swapper/700:38:297
1260499100,0cyclictest0-21swapper/700:15:137
1259899100,9cyclictest0-21swapper/623:41:116
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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