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2026-05-22 - 13:18

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 Fri May 22, 2026 00:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391680,35ptp4l0-21swapper/119:07:031
195522660,0sleep00-21swapper/021:52:160
2786526544,6sleep70-21swapper/719:09:097
111391640,30ptp4l0-21swapper/019:06:180
111391610,5ptp4l0-21swapper/519:07:105
111391600,5ptp4l0-21swapper/419:09:314
111391580,6ptp4l0-21swapper/619:06:146
39872570,0sleep40-21swapper/419:25:154
111391550,5ptp4l0-21swapper/219:05:252
2762924735,7sleep30-21swapper/319:06:093
111391360,0ptp4l0-21swapper/420:25:164
111391330,0ptp4l0-21swapper/021:27:040
111391330,0ptp4l0-21swapper/019:40:000
111391320,0ptp4l13394-21ssh22:28:014
111391320,0ptp4l0-21swapper/219:55:002
111391310,0ptp4l0-21swapper/423:10:144
111391310,0ptp4l0-21swapper/423:10:144
111391310,0ptp4l0-21swapper/123:45:171
111391300,3ptp4l0-21swapper/423:20:184
111391300,0ptp4l0-21swapper/520:50:165
111391300,0ptp4l0-21swapper/422:50:174
111391300,0ptp4l0-21swapper/422:23:174
111391300,0ptp4l0-21swapper/022:17:240
111391300,0ptp4l0-21swapper/021:20:010
111391290,6ptp4l0-21swapper/421:07:334
111391290,0ptp4l0-21swapper/423:41:194
111391290,0ptp4l0-21swapper/421:30:544
111391290,0ptp4l0-21swapper/400:36:164
111391290,0ptp4l0-21swapper/220:35:112
111391290,0ptp4l0-21swapper/220:35:102
111391290,0ptp4l0-21swapper/100:38:071
111391290,0ptp4l0-21swapper/023:10:100
111391290,0ptp4l0-21swapper/023:10:090
111391290,0ptp4l0-21swapper/022:55:500
111391280,0ptp4l0-21swapper/521:14:535
111391280,0ptp4l0-21swapper/500:07:135
111391280,0ptp4l0-21swapper/423:19:564
111391280,0ptp4l0-21swapper/421:12:304
111391280,0ptp4l0-21swapper/123:27:531
111391280,0ptp4l0-21swapper/021:12:050
111391280,0ptp4l0-21swapper/000:33:360
111391280,0ptp4l0-21swapper/000:02:360
111391270,5ptp4l31745-21phc2sys-jitter21:25:175
111391270,2ptp4l0-21swapper/521:15:165
111391270,1ptp4l19665-21df21:10:121
111391270,0ptp4l18961-21diskmemload00:16:264
111391270,0ptp4l121rcu_preempt22:32:024
111391270,0ptp4l0-21swapper/523:07:535
111391270,0ptp4l0-21swapper/522:39:585
111391270,0ptp4l0-21swapper/500:38:195
111391270,0ptp4l0-21swapper/500:31:035
111391270,0ptp4l0-21swapper/423:53:314
111391270,0ptp4l0-21swapper/421:53:554
111391270,0ptp4l0-21swapper/421:28:074
111391270,0ptp4l0-21swapper/400:30:004
111391270,0ptp4l0-21swapper/123:31:261
111391270,0ptp4l0-21swapper/123:07:461
111391270,0ptp4l0-21swapper/023:54:490
111391270,0ptp4l0-21swapper/000:39:140
111391270,0ptp4l0-21swapper/000:19:250
111391260,0ptp4l0-21swapper/523:13:225
111391260,0ptp4l0-21swapper/523:13:215
111391260,0ptp4l0-21swapper/522:34:345
111391260,0ptp4l0-21swapper/520:17:005
111391260,0ptp4l0-21swapper/423:58:404
111391260,0ptp4l0-21swapper/422:15:404
111391260,0ptp4l0-21swapper/421:35:124
111391260,0ptp4l0-21swapper/421:19:004
111391260,0ptp4l0-21swapper/400:01:264
111391260,0ptp4l0-21swapper/122:34:591
111391260,0ptp4l0-21swapper/023:57:350
111391260,0ptp4l0-21swapper/023:28:030
111391260,0ptp4l0-21swapper/023:15:550
111391260,0ptp4l0-21swapper/023:04:300
111391260,0ptp4l0-21swapper/022:09:300
111391260,0ptp4l0-21swapper/021:55:130
111391250,0ptp4l0-21swapper/523:35:475
111391250,0ptp4l0-21swapper/522:47:475
111391250,0ptp4l0-21swapper/500:13:215
111391250,0ptp4l0-21swapper/423:05:124
111391250,0ptp4l0-21swapper/422:45:164
111391250,0ptp4l0-21swapper/422:40:434
111391250,0ptp4l0-21swapper/422:00:154
111391250,0ptp4l0-21swapper/421:45:144
111391250,0ptp4l0-21swapper/421:24:084
111391250,0ptp4l0-21swapper/419:15:004
111391250,0ptp4l0-21swapper/400:26:554
111391250,0ptp4l0-21swapper/400:21:034
111391250,0ptp4l0-21swapper/122:46:291
111391250,0ptp4l0-21swapper/122:00:181
111391250,0ptp4l0-21swapper/121:00:131
111391250,0ptp4l0-21swapper/100:35:001
111391250,0ptp4l0-21swapper/100:12:261
111391250,0ptp4l0-21swapper/100:06:181
111391250,0ptp4l0-21swapper/019:50:140
111391250,0ptp4l0-21swapper/019:49:590
111391250,0ptp4l0-21swapper/019:30:180
111391250,0ptp4l0-21swapper/019:20:320
175052240,0sleep3391rcuc/322:34:083
111391240,2ptp4l0-21swapper/122:41:361
111391240,1ptp4l30842-21cat20:25:000
111391240,1ptp4l20409-21missed_timers20:00:140
111391240,1ptp4l12699-21/usr/sbin/munin19:45:134
111391240,0ptp4l18961-21diskmemload22:25:130
111391240,0ptp4l0-21swapper/623:00:266
111391240,0ptp4l0-21swapper/620:35:126
111391240,0ptp4l0-21swapper/620:35:116
111391240,0ptp4l0-21swapper/523:45:185
111391240,0ptp4l0-21swapper/523:01:345
111391240,0ptp4l0-21swapper/521:56:005
111391240,0ptp4l0-21swapper/519:45:195
111391240,0ptp4l0-21swapper/423:28:074
111391240,0ptp4l0-21swapper/422:59:504
111391240,0ptp4l0-21swapper/422:10:184
111391240,0ptp4l0-21swapper/421:55:154
111391240,0ptp4l0-21swapper/419:40:194
111391240,0ptp4l0-21swapper/419:35:184
111391240,0ptp4l0-21swapper/419:24:594
111391240,0ptp4l0-21swapper/400:08:434
111391240,0ptp4l0-21swapper/123:16:341
111391240,0ptp4l0-21swapper/122:56:461
111391240,0ptp4l0-21swapper/100:01:191
111391240,0ptp4l0-21swapper/023:05:120
111391240,0ptp4l0-21swapper/022:50:110
111391240,0ptp4l0-21swapper/022:38:280
111391240,0ptp4l0-21swapper/022:32:570
111391240,0ptp4l0-21swapper/021:30:150
111391240,0ptp4l0-21swapper/021:22:310
111391240,0ptp4l0-21swapper/020:45:170
111391240,0ptp4l0-21swapper/020:40:170
111391240,0ptp4l0-21swapper/020:15:180
111391240,0ptp4l0-21swapper/019:15:170
111391240,0ptp4l0-21swapper/000:22:120
111391230,1ptp4l9724-21/usr/sbin/munin21:40:154
111391230,0ptp4l41-21ksoftirqd/321:05:173
111391230,0ptp4l0-21swapper/721:20:197
111391230,0ptp4l0-21swapper/619:55:006
111391230,0ptp4l0-21swapper/522:40:145
111391230,0ptp4l0-21swapper/521:20:125
111391230,0ptp4l0-21swapper/521:00:115
111391230,0ptp4l0-21swapper/520:55:165
111391230,0ptp4l0-21swapper/520:10:135
111391230,0ptp4l0-21swapper/519:50:175
111391230,0ptp4l0-21swapper/423:48:364
111391230,0ptp4l0-21swapper/423:39:114
111391230,0ptp4l0-21swapper/423:00:124
111391230,0ptp4l0-21swapper/422:35:144
111391230,0ptp4l0-21swapper/422:05:124
111391230,0ptp4l0-21swapper/420:35:194
111391230,0ptp4l0-21swapper/420:35:184
111391230,0ptp4l0-21swapper/420:30:144
111391230,0ptp4l0-21swapper/420:15:134
111391230,0ptp4l0-21swapper/420:05:114
111391230,0ptp4l0-21swapper/420:00:124
111391230,0ptp4l0-21swapper/419:55:114
111391230,0ptp4l0-21swapper/419:50:144
111391230,0ptp4l0-21swapper/419:30:144
111391230,0ptp4l0-21swapper/419:15:184
111391230,0ptp4l0-21swapper/400:10:134
111391230,0ptp4l0-21swapper/321:20:203
111391230,0ptp4l0-21swapper/123:35:111
111391230,0ptp4l0-21swapper/123:03:131
111391230,0ptp4l0-21swapper/122:37:111
111391230,0ptp4l0-21swapper/122:14:161
111391230,0ptp4l0-21swapper/121:25:171
111391230,0ptp4l0-21swapper/121:15:171
111391230,0ptp4l0-21swapper/120:50:111
111391230,0ptp4l0-21swapper/120:20:101
111391230,0ptp4l0-21swapper/120:10:101
111391230,0ptp4l0-21swapper/023:40:170
111391230,0ptp4l0-21swapper/023:38:310
111391230,0ptp4l0-21swapper/023:20:150
111391230,0ptp4l0-21swapper/022:20:150
111391230,0ptp4l0-21swapper/022:10:120
111391230,0ptp4l0-21swapper/022:00:120
111391230,0ptp4l0-21swapper/021:45:110
111391230,0ptp4l0-21swapper/021:40:190
111391230,0ptp4l0-21swapper/021:05:150
111391230,0ptp4l0-21swapper/020:30:130
111391230,0ptp4l0-21swapper/020:25:110
111391230,0ptp4l0-21swapper/020:05:110
111391230,0ptp4l0-21swapper/019:55:180
111391230,0ptp4l0-21swapper/019:40:180
111391230,0ptp4l0-21swapper/019:25:140
111391230,0ptp4l0-21swapper/019:10:160
111391230,0ptp4l0-21swapper/000:25:120
111391230,0ptp4l0-21swapper/000:10:130
111391220,0ptp4l0-21swapper/623:59:196
111391220,0ptp4l0-21swapper/622:26:386
111391220,0ptp4l0-21swapper/621:29:266
111391220,0ptp4l0-21swapper/600:00:106
111391220,0ptp4l0-21swapper/523:59:325
111391220,0ptp4l0-21swapper/523:51:075
111391220,0ptp4l0-21swapper/523:26:395
111391220,0ptp4l0-21swapper/523:24:075
111391220,0ptp4l0-21swapper/522:50:435
111391220,0ptp4l0-21swapper/522:21:045
111391220,0ptp4l0-21swapper/522:07:415
111391220,0ptp4l0-21swapper/522:00:195
111391220,0ptp4l0-21swapper/521:35:195
111391220,0ptp4l0-21swapper/520:31:575
111391220,0ptp4l0-21swapper/520:20:145
111391220,0ptp4l0-21swapper/519:10:135
111391220,0ptp4l0-21swapper/500:23:525
111391220,0ptp4l0-21swapper/500:18:195
111391220,0ptp4l0-21swapper/423:30:154
111391220,0ptp4l0-21swapper/420:40:154
111391220,0ptp4l0-21swapper/321:11:523
111391220,0ptp4l0-21swapper/223:40:052
111391220,0ptp4l0-21swapper/223:00:172
111391220,0ptp4l0-21swapper/222:35:402
111391220,0ptp4l0-21swapper/222:26:382
111391220,0ptp4l0-21swapper/221:28:482
111391220,0ptp4l0-21swapper/122:52:421
111391220,0ptp4l0-21swapper/122:28:021
111391220,0ptp4l0-21swapper/122:22:131
111391220,0ptp4l0-21swapper/122:07:431
111391220,0ptp4l0-21swapper/121:55:551
111391220,0ptp4l0-21swapper/121:50:181
111391220,0ptp4l0-21swapper/121:48:001
111391220,0ptp4l0-21swapper/121:35:181
111391220,0ptp4l0-21swapper/121:32:151
111391220,0ptp4l0-21swapper/120:50:011
111391220,0ptp4l0-21swapper/120:25:011
111391220,0ptp4l0-21swapper/119:35:091
111391220,0ptp4l0-21swapper/119:10:141
111391220,0ptp4l0-21swapper/100:20:121
111391220,0ptp4l0-21swapper/023:45:000
111391220,0ptp4l0-21swapper/023:30:130
111391220,0ptp4l0-21swapper/022:45:080
111391220,0ptp4l0-21swapper/022:41:070
111391220,0ptp4l0-21swapper/021:35:120
111391220,0ptp4l0-21swapper/020:35:200
111391220,0ptp4l0-21swapper/020:35:200
111391210,0ptp4l18961-21diskmemload23:16:305
111391210,0ptp4l0-21swapper/623:41:386
111391210,0ptp4l0-21swapper/622:22:476
111391210,0ptp4l0-21swapper/621:38:266
111391210,0ptp4l0-21swapper/621:18:356
111391210,0ptp4l0-21swapper/523:31:285
111391210,0ptp4l0-21swapper/522:56:435
111391210,0ptp4l0-21swapper/522:27:115
111391210,0ptp4l0-21swapper/522:13:545
111391210,0ptp4l0-21swapper/521:51:005
111391210,0ptp4l0-21swapper/521:47:485
111391210,0ptp4l0-21swapper/521:34:155
111391210,0ptp4l0-21swapper/520:08:465
111391210,0ptp4l0-21swapper/519:32:085
111391210,0ptp4l0-21swapper/323:17:173
111391210,0ptp4l0-21swapper/321:34:343
111391210,0ptp4l0-21swapper/200:33:012
111391210,0ptp4l0-21swapper/123:51:071
111391210,0ptp4l0-21swapper/123:23:351
111391210,0ptp4l0-21swapper/121:43:371
111391210,0ptp4l0-21swapper/120:55:141
111391210,0ptp4l0-21swapper/120:08:401
111391210,0ptp4l0-21swapper/119:57:091
111391210,0ptp4l0-21swapper/119:51:541
111391210,0ptp4l0-21swapper/119:45:181
111391210,0ptp4l0-21swapper/100:16:251
111391210,0ptp4l0-21swapper/000:08:260
112852200,1sleep6631rcuc/623:09:376
111391200,0ptp4l0-21swapper/623:52:356
111391200,0ptp4l0-21swapper/620:41:596
111391200,0ptp4l0-21swapper/600:32:376
111391200,0ptp4l0-21swapper/521:43:375
111391200,0ptp4l0-21swapper/520:48:555
111391200,0ptp4l0-21swapper/500:00:475
111391200,0ptp4l0-21swapper/420:58:084
111391200,0ptp4l0-21swapper/420:46:084
111391200,0ptp4l0-21swapper/420:11:544
111391200,0ptp4l0-21swapper/321:59:013
111391200,0ptp4l0-21swapper/223:59:162
111391200,0ptp4l0-21swapper/222:22:412
111391200,0ptp4l0-21swapper/221:38:272
111391200,0ptp4l0-21swapper/123:56:261
111391200,0ptp4l0-21swapper/123:44:181
111391200,0ptp4l0-21swapper/121:21:021
111391200,0ptp4l0-21swapper/120:31:271
111391200,0ptp4l0-21swapper/120:01:091
111391200,0ptp4l0-21swapper/100:25:011
111391200,0ptp4l0-21swapper/021:03:420
111391200,0ptp4l0-21swapper/020:55:350
111391190,0ptp4l0-21swapper/721:11:537
111391190,0ptp4l0-21swapper/721:05:177
111391190,0ptp4l0-21swapper/700:09:177
111391190,0ptp4l0-21swapper/622:16:116
111391190,0ptp4l0-21swapper/621:44:586
111391190,0ptp4l0-21swapper/523:44:195
111391190,0ptp4l0-21swapper/519:58:085
111391190,0ptp4l0-21swapper/519:29:135
111391190,0ptp4l0-21swapper/519:17:225
111391190,0ptp4l0-21swapper/420:24:034
111391190,0ptp4l0-21swapper/223:52:372
111391190,0ptp4l0-21swapper/221:44:562
111391190,0ptp4l0-21swapper/221:18:402
111391190,0ptp4l0-21swapper/200:02:032
111391190,0ptp4l0-21swapper/123:10:281
111391190,0ptp4l0-21swapper/123:10:271
111391190,0ptp4l0-21swapper/120:19:561
28209991814,3cyclictest16807-21munin-run21:50:002
136292180,0sleep30-21swapper/319:45:163
111391180,0ptp4l0-21swapper/723:17:207
111391180,0ptp4l0-21swapper/622:35:396
111391180,0ptp4l0-21swapper/519:36:015
111391180,0ptp4l0-21swapper/519:22:055
111391180,0ptp4l0-21swapper/119:29:531
111391170,0ptp4l0-21swapper/721:59:027
111391170,0ptp4l0-21swapper/700:16:507
111391170,0ptp4l0-21swapper/122:16:141
111391170,0ptp4l0-21swapper/119:43:271
111391170,0ptp4l0-21swapper/119:33:321
2823899160,1cyclictest0-21swapper/622:05:126
111391160,0ptp4l0-21swapper/600:37:576
111391160,0ptp4l0-21swapper/521:05:455
111391160,0ptp4l0-21swapper/520:42:085
111391160,0ptp4l0-21swapper/520:39:355
111391160,0ptp4l0-21swapper/520:39:345
111391160,0ptp4l0-21swapper/500:26:315
111391160,0ptp4l0-21swapper/421:04:364
111391160,0ptp4l0-21swapper/320:21:473
111391160,0ptp4l0-21swapper/222:16:102
111391160,0ptp4l0-21swapper/121:09:081
111391160,0ptp4l0-21swapper/120:40:411
111391160,0ptp4l0-21swapper/120:35:221
111391160,0ptp4l0-21swapper/120:35:211
111391160,0ptp4l0-21swapper/020:53:390
111391160,0ptp4l0-21swapper/020:11:570
111391150,0ptp4l0-21swapper/720:30:497
111391150,0ptp4l0-21swapper/620:21:596
111391150,0ptp4l0-21swapper/619:56:416
111391150,0ptp4l0-21swapper/619:32:496
111391150,0ptp4l0-21swapper/619:11:246
111391150,0ptp4l0-21swapper/522:16:155
111391150,0ptp4l0-21swapper/520:26:545
111391150,0ptp4l0-21swapper/520:00:215
111391150,0ptp4l0-21swapper/420:50:304
111391150,0ptp4l0-21swapper/323:27:543
111391150,0ptp4l0-21swapper/300:09:163
111391150,0ptp4l0-21swapper/220:41:472
111391150,0ptp4l0-21swapper/220:21:562
111391150,0ptp4l0-21swapper/219:56:522
111391150,0ptp4l0-21swapper/219:41:192
111391150,0ptp4l0-21swapper/219:17:042
111391150,0ptp4l0-21swapper/219:11:132
111391150,0ptp4l0-21swapper/119:21:241
111391150,0ptp4l0-21swapper/119:17:151
111391140,0ptp4l0-21swapper/723:52:407
111391140,0ptp4l0-21swapper/720:52:447
111391140,0ptp4l0-21swapper/720:21:477
111391140,0ptp4l0-21swapper/719:57:017
111391140,0ptp4l0-21swapper/619:41:216
111391140,0ptp4l0-21swapper/519:43:295
111391140,0ptp4l0-21swapper/323:52:383
111391140,0ptp4l0-21swapper/320:39:533
111391140,0ptp4l0-21swapper/320:39:523
111391140,0ptp4l0-21swapper/320:30:473
111391140,0ptp4l0-21swapper/319:57:013
111391140,0ptp4l0-21swapper/319:44:503
111391140,0ptp4l0-21swapper/221:03:122
111391140,0ptp4l0-21swapper/219:32:472
111391140,0ptp4l0-21swapper/200:37:552
186291130,2getstats0-21swapper/221:52:262
186291120,2getstats0-21swapper/220:51:382
2823899110,10cyclictest0-21swapper/623:46:216
2823899110,10cyclictest0-21swapper/621:45:586
2824599108,1cyclictest0-21swapper/721:00:217
2823899109,0cyclictest0-21swapper/623:12:346
2823899109,0cyclictest0-21swapper/623:12:346
2823899109,0cyclictest0-21swapper/620:15:166
2823899109,0cyclictest0-21swapper/600:13:046
2823899100,9cyclictest0-21swapper/621:32:086
2823899100,9cyclictest0-21swapper/621:24:456
2823899100,0cyclictest0-21swapper/623:28:536
2823899100,0cyclictest0-21swapper/622:46:276
2823899100,0cyclictest0-21swapper/622:14:446
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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