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2026-06-05 - 11:22

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 Jun 05, 2026 00:46:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391620,5ptp4l0-21swapper/019:05:240
111391610,5ptp4l0-21swapper/119:08:131
1881916050,6phc2sys0-21swapper/219:05:502
283542580,1sleep4481ktimersoftd/421:29:104
111391580,5ptp4l0-21swapper/519:07:575
2247725443,6sleep70-21swapper/719:08:177
2230525432,6sleep40-21swapper/419:06:064
2239425332,6sleep60-21swapper/619:07:136
2255524837,7sleep30-21swapper/319:09:193
112272450,0sleep30-21swapper/323:16:193
111391340,0ptp4l0-21swapper/622:16:076
111391340,0ptp4l0-21swapper/521:35:135
111391320,0ptp4l0-21swapper/122:50:521
111391320,0ptp4l0-21swapper/000:05:130
111391310,0ptp4l0-21swapper/023:07:100
111391310,0ptp4l0-21swapper/021:10:500
111391300,0ptp4l0-21swapper/722:37:557
111391300,0ptp4l0-21swapper/323:38:003
111391300,0ptp4l0-21swapper/321:57:343
111391300,0ptp4l0-21swapper/200:35:482
111391300,0ptp4l0-21swapper/123:29:031
111391290,2ptp4l0-21swapper/722:05:457
111391290,0ptp4l0-21swapper/523:53:455
111391290,0ptp4l0-21swapper/523:09:425
111391290,0ptp4l0-21swapper/023:11:240
111391290,0ptp4l0-21swapper/021:49:320
111391290,0ptp4l0-21swapper/019:55:170
111391280,0ptp4l0-21swapper/523:25:115
111391280,0ptp4l0-21swapper/423:48:434
111391280,0ptp4l0-21swapper/423:48:424
111391280,0ptp4l0-21swapper/422:03:304
111391280,0ptp4l0-21swapper/022:19:370
111391280,0ptp4l0-21swapper/021:39:150
111391270,3ptp4l241ktimersoftd/121:13:181
111391270,0ptp4l0-21swapper/700:15:417
111391270,0ptp4l0-21swapper/522:39:125
111391270,0ptp4l0-21swapper/423:25:204
111391270,0ptp4l0-21swapper/421:14:254
111391270,0ptp4l0-21swapper/420:10:134
111391270,0ptp4l0-21swapper/121:27:101
111391270,0ptp4l0-21swapper/100:24:201
111391270,0ptp4l0-21swapper/100:12:471
111391270,0ptp4l0-21swapper/023:57:090
111391270,0ptp4l0-21swapper/023:22:320
111391270,0ptp4l0-21swapper/022:59:590
111391270,0ptp4l0-21swapper/022:33:000
111391270,0ptp4l0-21swapper/021:04:280
111391270,0ptp4l0-21swapper/000:03:250
22907992618,0cyclictest0-21swapper/500:00:245
111391260,0ptp4l0-21swapper/523:41:565
111391260,0ptp4l0-21swapper/500:25:175
111391260,0ptp4l0-21swapper/422:20:124
111391260,0ptp4l0-21swapper/222:16:152
111391260,0ptp4l0-21swapper/022:46:160
111391260,0ptp4l0-21swapper/022:21:280
111391260,0ptp4l0-21swapper/021:21:510
111391260,0ptp4l0-21swapper/000:15:120
111391250,1ptp4l5795-21memory22:25:173
111391250,1ptp4l1579-21smart_sda19:30:180
111391250,1ptp4l12913-21grep22:35:164
111391250,0ptp4l0-21swapper/723:37:447
111391250,0ptp4l0-21swapper/722:23:097
111391250,0ptp4l0-21swapper/422:50:144
111391250,0ptp4l0-21swapper/400:15:204
111391250,0ptp4l0-21swapper/322:05:153
111391250,0ptp4l0-21swapper/100:33:161
111391250,0ptp4l0-21swapper/023:35:450
111391250,0ptp4l0-21swapper/023:17:000
111391250,0ptp4l0-21swapper/022:12:090
111391250,0ptp4l0-21swapper/022:09:210
111391250,0ptp4l0-21swapper/021:16:020
111391250,0ptp4l0-21swapper/000:20:150
111391240,1ptp4l30387-21cat19:25:005
111391240,1ptp4l29921-21latency21:30:164
111391240,1ptp4l27399-21smartctl00:25:154
111391240,1ptp4l19244-21sort22:00:160
111391240,1ptp4l16299-21diskstats22:40:120
111391240,1ptp4l13336-21cut00:05:014
111391240,0ptp4l0-21swapper/722:25:017
111391240,0ptp4l0-21swapper/523:38:275
111391240,0ptp4l0-21swapper/523:10:155
111391240,0ptp4l0-21swapper/521:45:215
111391240,0ptp4l0-21swapper/520:59:275
111391240,0ptp4l0-21swapper/520:35:165
111391240,0ptp4l0-21swapper/423:30:114
111391240,0ptp4l0-21swapper/423:00:154
111391240,0ptp4l0-21swapper/421:59:114
111391240,0ptp4l0-21swapper/420:30:194
111391240,0ptp4l0-21swapper/419:30:144
111391240,0ptp4l0-21swapper/400:05:134
111391240,0ptp4l0-21swapper/123:57:451
111391240,0ptp4l0-21swapper/123:00:321
111391240,0ptp4l0-21swapper/122:33:141
111391240,0ptp4l0-21swapper/121:35:171
111391240,0ptp4l0-21swapper/120:10:101
111391240,0ptp4l0-21swapper/119:40:111
111391240,0ptp4l0-21swapper/023:48:260
111391240,0ptp4l0-21swapper/023:48:250
111391240,0ptp4l0-21swapper/023:31:050
111391240,0ptp4l0-21swapper/023:00:190
111391240,0ptp4l0-21swapper/020:25:010
22907992319,3cyclictest0-21swapper/500:08:235
111391230,1ptp4l9630-21/usr/sbin/munin23:15:124
111391230,0ptp4l986-21wc22:19:591
111391230,0ptp4l0-21swapper/722:53:537
111391230,0ptp4l0-21swapper/722:15:157
111391230,0ptp4l0-21swapper/700:39:557
111391230,0ptp4l0-21swapper/621:55:176
111391230,0ptp4l0-21swapper/620:00:006
111391230,0ptp4l0-21swapper/522:40:145
111391230,0ptp4l0-21swapper/522:13:355
111391230,0ptp4l0-21swapper/521:40:185
111391230,0ptp4l0-21swapper/521:20:015
111391230,0ptp4l0-21swapper/521:10:085
111391230,0ptp4l0-21swapper/519:50:115
111391230,0ptp4l0-21swapper/519:45:125
111391230,0ptp4l0-21swapper/519:35:015
111391230,0ptp4l0-21swapper/519:25:155
111391230,0ptp4l0-21swapper/500:30:105
111391230,0ptp4l0-21swapper/500:24:435
111391230,0ptp4l0-21swapper/500:14:255
111391230,0ptp4l0-21swapper/423:55:144
111391230,0ptp4l0-21swapper/423:50:114
111391230,0ptp4l0-21swapper/423:40:154
111391230,0ptp4l0-21swapper/423:20:114
111391230,0ptp4l0-21swapper/423:10:114
111391230,0ptp4l0-21swapper/423:05:144
111391230,0ptp4l0-21swapper/422:55:184
111391230,0ptp4l0-21swapper/422:45:224
111391230,0ptp4l0-21swapper/422:30:124
111391230,0ptp4l0-21swapper/422:10:164
111391230,0ptp4l0-21swapper/421:45:194
111391230,0ptp4l0-21swapper/421:20:154
111391230,0ptp4l0-21swapper/421:15:164
111391230,0ptp4l0-21swapper/420:50:134
111391230,0ptp4l0-21swapper/420:45:124
111391230,0ptp4l0-21swapper/420:25:164
111391230,0ptp4l0-21swapper/420:00:214
111391230,0ptp4l0-21swapper/419:55:104
111391230,0ptp4l0-21swapper/419:20:204
111391230,0ptp4l0-21swapper/419:10:144
111391230,0ptp4l0-21swapper/400:20:174
111391230,0ptp4l0-21swapper/400:10:164
111391230,0ptp4l0-21swapper/323:23:123
111391230,0ptp4l0-21swapper/322:53:043
111391230,0ptp4l0-21swapper/322:15:183
111391230,0ptp4l0-21swapper/200:00:112
111391230,0ptp4l0-21swapper/123:10:131
111391230,0ptp4l0-21swapper/122:40:141
111391230,0ptp4l0-21swapper/121:51:101
111391230,0ptp4l0-21swapper/121:40:151
111391230,0ptp4l0-21swapper/120:21:141
111391230,0ptp4l0-21swapper/120:15:191
111391230,0ptp4l0-21swapper/119:25:211
111391230,0ptp4l0-21swapper/119:15:011
111391230,0ptp4l0-21swapper/119:10:111
111391230,0ptp4l0-21swapper/100:35:151
111391230,0ptp4l0-21swapper/023:50:590
111391230,0ptp4l0-21swapper/022:35:120
111391230,0ptp4l0-21swapper/022:30:000
111391230,0ptp4l0-21swapper/021:59:260
111391230,0ptp4l0-21swapper/021:30:370
111391230,0ptp4l0-21swapper/021:25:190
111391230,0ptp4l0-21swapper/020:55:180
111391230,0ptp4l0-21swapper/020:50:140
111391230,0ptp4l0-21swapper/020:41:250
111391230,0ptp4l0-21swapper/020:36:160
111391230,0ptp4l0-21swapper/020:30:210
111391230,0ptp4l0-21swapper/020:15:150
111391230,0ptp4l0-21swapper/020:00:210
111391230,0ptp4l0-21swapper/019:39:280
111391230,0ptp4l0-21swapper/019:15:020
111391230,0ptp4l0-21swapper/000:33:500
111391230,0ptp4l0-21swapper/000:10:290
111391220,0ptp4l0-21swapper/721:57:457
111391220,0ptp4l0-21swapper/720:05:137
111391220,0ptp4l0-21swapper/719:58:077
111391220,0ptp4l0-21swapper/719:50:147
111391220,0ptp4l0-21swapper/623:26:206
111391220,0ptp4l0-21swapper/620:48:436
111391220,0ptp4l0-21swapper/620:00:106
111391220,0ptp4l0-21swapper/523:55:395
111391220,0ptp4l0-21swapper/522:33:235
111391220,0ptp4l0-21swapper/522:07:185
111391220,0ptp4l0-21swapper/521:51:275
111391220,0ptp4l0-21swapper/521:26:215
111391220,0ptp4l0-21swapper/520:42:335
111391220,0ptp4l0-21swapper/520:20:005
111391220,0ptp4l0-21swapper/519:40:115
111391220,0ptp4l0-21swapper/519:10:505
111391220,0ptp4l0-21swapper/500:35:205
111391220,0ptp4l0-21swapper/423:35:154
111391220,0ptp4l0-21swapper/422:40:124
111391220,0ptp4l0-21swapper/422:26:504
111391220,0ptp4l0-21swapper/422:15:104
111391220,0ptp4l0-21swapper/422:07:474
111391220,0ptp4l0-21swapper/421:50:104
111391220,0ptp4l0-21swapper/421:44:474
111391220,0ptp4l0-21swapper/421:05:144
111391220,0ptp4l0-21swapper/421:00:004
111391220,0ptp4l0-21swapper/420:35:124
111391220,0ptp4l0-21swapper/420:20:194
111391220,0ptp4l0-21swapper/420:15:114
111391220,0ptp4l0-21swapper/419:35:164
111391220,0ptp4l0-21swapper/419:15:164
111391220,0ptp4l0-21swapper/400:35:164
111391220,0ptp4l0-21swapper/400:30:204
111391220,0ptp4l0-21swapper/322:37:393
111391220,0ptp4l0-21swapper/322:22:353
111391220,0ptp4l0-21swapper/300:23:383
111391220,0ptp4l0-21swapper/300:15:513
111391220,0ptp4l0-21swapper/223:28:222
111391220,0ptp4l0-21swapper/222:30:122
111391220,0ptp4l0-21swapper/221:45:452
111391220,0ptp4l0-21swapper/220:00:132
111391220,0ptp4l0-21swapper/200:17:322
111391220,0ptp4l0-21swapper/123:53:111
111391220,0ptp4l0-21swapper/123:45:151
111391220,0ptp4l0-21swapper/123:45:151
111391220,0ptp4l0-21swapper/123:16:021
111391220,0ptp4l0-21swapper/122:56:221
111391220,0ptp4l0-21swapper/122:37:011
111391220,0ptp4l0-21swapper/122:20:231
111391220,0ptp4l0-21swapper/122:10:401
111391220,0ptp4l0-21swapper/122:01:481
111391220,0ptp4l0-21swapper/121:33:091
111391220,0ptp4l0-21swapper/121:17:391
111391220,0ptp4l0-21swapper/120:55:101
111391220,0ptp4l0-21swapper/120:35:151
111391220,0ptp4l0-21swapper/119:35:131
111391220,0ptp4l0-21swapper/100:25:161
111391220,0ptp4l0-21swapper/100:01:111
111391220,0ptp4l0-21swapper/023:40:110
111391220,0ptp4l0-21swapper/023:25:160
111391220,0ptp4l0-21swapper/022:50:150
111391220,0ptp4l0-21swapper/021:50:130
111391220,0ptp4l0-21swapper/021:05:120
111391220,0ptp4l0-21swapper/020:45:130
111391220,0ptp4l0-21swapper/020:25:110
111391220,0ptp4l0-21swapper/019:50:150
111391220,0ptp4l0-21swapper/019:49:220
111391220,0ptp4l0-21swapper/019:42:540
111391220,0ptp4l0-21swapper/019:20:120
111391220,0ptp4l0-21swapper/019:10:160
111391220,0ptp4l0-21swapper/000:35:150
111391220,0ptp4l0-21swapper/000:25:550
111391210,3ptp4l0-21swapper/220:48:342
111391210,0ptp4l0-21swapper/700:31:237
111391210,0ptp4l0-21swapper/700:23:397
111391210,0ptp4l0-21swapper/623:07:216
111391210,0ptp4l0-21swapper/622:46:596
111391210,0ptp4l0-21swapper/622:41:356
111391210,0ptp4l0-21swapper/622:30:116
111391210,0ptp4l0-21swapper/600:09:096
111391210,0ptp4l0-21swapper/600:00:086
111391210,0ptp4l0-21swapper/523:49:275
111391210,0ptp4l0-21swapper/523:49:265
111391210,0ptp4l0-21swapper/523:33:445
111391210,0ptp4l0-21swapper/523:18:285
111391210,0ptp4l0-21swapper/523:00:315
111391210,0ptp4l0-21swapper/522:50:505
111391210,0ptp4l0-21swapper/522:48:135
111391210,0ptp4l0-21swapper/522:17:245
111391210,0ptp4l0-21swapper/521:34:285
111391210,0ptp4l0-21swapper/520:15:175
111391210,0ptp4l0-21swapper/520:10:115
111391210,0ptp4l0-21swapper/421:39:104
111391210,0ptp4l0-21swapper/420:55:154
111391210,0ptp4l0-21swapper/420:40:164
111391210,0ptp4l0-21swapper/419:50:184
111391210,0ptp4l0-21swapper/419:45:184
111391210,0ptp4l0-21swapper/419:40:174
111391210,0ptp4l0-21swapper/320:05:003
111391210,0ptp4l0-21swapper/320:04:323
111391210,0ptp4l0-21swapper/300:31:383
111391210,0ptp4l0-21swapper/223:07:252
111391210,0ptp4l0-21swapper/222:46:542
111391210,0ptp4l0-21swapper/222:41:322
111391210,0ptp4l0-21swapper/222:39:362
111391210,0ptp4l0-21swapper/221:23:432
111391210,0ptp4l0-21swapper/123:38:091
111391210,0ptp4l0-21swapper/123:06:121
111391210,0ptp4l0-21swapper/122:48:591
111391210,0ptp4l0-21swapper/122:08:051
111391210,0ptp4l0-21swapper/121:45:201
111391210,0ptp4l0-21swapper/121:01:011
111391210,0ptp4l0-21swapper/119:51:231
111391210,0ptp4l0-21swapper/119:24:281
111391210,0ptp4l0-21swapper/021:40:560
111391200,3ptp4l0-21swapper/121:06:031
111391200,0ptp4l0-21swapper/621:23:436
111391200,0ptp4l0-21swapper/523:24:585
111391200,0ptp4l0-21swapper/522:58:155
111391200,0ptp4l0-21swapper/522:20:025
111391200,0ptp4l0-21swapper/520:29:065
111391200,0ptp4l0-21swapper/520:05:395
111391200,0ptp4l0-21swapper/519:16:105
111391200,0ptp4l0-21swapper/419:26:054
111391200,0ptp4l0-21swapper/300:39:523
111391200,0ptp4l0-21swapper/223:47:282
111391200,0ptp4l0-21swapper/223:47:272
111391200,0ptp4l0-21swapper/221:33:182
111391200,0ptp4l0-21swapper/121:20:441
111391200,0ptp4l0-21swapper/120:08:041
111391200,0ptp4l0-21swapper/119:45:161
111391200,0ptp4l0-21swapper/020:10:120
111391200,0ptp4l0-21swapper/019:29:270
111391190,0ptp4l0-21swapper/623:58:076
111391190,0ptp4l0-21swapper/623:47:326
111391190,0ptp4l0-21swapper/623:47:316
111391190,0ptp4l0-21swapper/522:28:275
111391190,0ptp4l0-21swapper/522:01:515
111391190,0ptp4l0-21swapper/519:32:285
111391190,0ptp4l0-21swapper/323:06:433
111391190,0ptp4l0-21swapper/322:41:203
111391190,0ptp4l0-21swapper/220:06:282
111391190,0ptp4l0-21swapper/200:09:072
111391190,0ptp4l0-21swapper/123:41:521
111391190,0ptp4l0-21swapper/123:30:431
111391190,0ptp4l0-21swapper/122:28:501
111391190,0ptp4l0-21swapper/121:56:371
111391190,0ptp4l0-21swapper/120:30:281
111391190,0ptp4l0-21swapper/100:17:411
111391190,0ptp4l0-21swapper/020:06:240
111391180,0ptp4l0-21swapper/723:23:147
111391180,0ptp4l0-21swapper/723:06:427
111391180,0ptp4l0-21swapper/623:52:126
111391180,0ptp4l0-21swapper/623:21:556
111391180,0ptp4l0-21swapper/621:46:256
111391180,0ptp4l0-21swapper/600:35:466
111391180,0ptp4l0-21swapper/521:20:045
111391180,0ptp4l0-21swapper/521:09:435
111391180,0ptp4l0-21swapper/221:55:152
111391180,0ptp4l0-21swapper/219:59:592
111391180,0ptp4l0-21swapper/200:13:332
111391170,0ptp4l0-21swapper/622:39:426
111391170,0ptp4l0-21swapper/621:33:156
111391170,0ptp4l0-21swapper/600:17:276
111391170,0ptp4l0-21swapper/521:56:395
111391170,0ptp4l0-21swapper/520:02:265
111391170,0ptp4l0-21swapper/500:17:485
111391170,0ptp4l0-21swapper/223:21:192
111391170,0ptp4l0-21swapper/123:22:451
111391170,0ptp4l0-21swapper/119:55:241
312072160,0sleep70-21swapper/719:25:167
22892991614,1cyclictest0-21swapper/321:40:133
111391160,0ptp4l0-21swapper/600:13:316
111391160,0ptp4l0-21swapper/223:58:092
111391160,0ptp4l0-21swapper/223:52:112
111391160,0ptp4l0-21swapper/120:29:371
111391160,0ptp4l0-21swapper/120:01:331
111391160,0ptp4l0-21swapper/119:31:271
111391160,0ptp4l0-21swapper/100:05:291
111391150,0ptp4l0-21swapper/720:04:247
111391150,0ptp4l0-21swapper/719:14:107
111391150,0ptp4l0-21swapper/623:36:486
111391150,0ptp4l0-21swapper/620:26:326
111391150,0ptp4l0-21swapper/620:16:366
111391150,0ptp4l0-21swapper/620:10:416
111391150,0ptp4l0-21swapper/620:06:296
111391150,0ptp4l0-21swapper/619:36:096
111391150,0ptp4l0-21swapper/619:26:536
111391150,0ptp4l0-21swapper/521:01:055
111391150,0ptp4l0-21swapper/520:53:355
111391150,0ptp4l0-21swapper/520:46:445
111391150,0ptp4l0-21swapper/520:30:285
111391150,0ptp4l0-21swapper/519:55:285
111391150,0ptp4l0-21swapper/420:05:414
111391150,0ptp4l0-21swapper/319:56:573
111391150,0ptp4l0-21swapper/319:14:073
111391150,0ptp4l0-21swapper/223:36:442
111391150,0ptp4l0-21swapper/221:01:422
111391150,0ptp4l0-21swapper/220:51:402
111391150,0ptp4l0-21swapper/220:43:242
111391150,0ptp4l0-21swapper/120:52:281
111391150,0ptp4l0-21swapper/120:45:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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