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2026-06-11 - 11:44

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 Thu Jun 11, 2026 00:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391730,29ptp4l0-21swapper/119:08:591
111391610,5ptp4l0-21swapper/519:07:555
1881916050,6phc2sys0-21swapper/219:09:392
111391600,29ptp4l0-21swapper/019:08:210
269662580,0sleep20-21swapper/200:27:562
1881915634,7phc2sys0-21swapper/619:07:106
111391560,5ptp4l0-21swapper/419:08:234
1942725545,6sleep70-21swapper/719:05:297
161912550,0sleep10-21swapper/122:00:081
1764724735,7sleep30-21swapper/319:05:013
111391340,0ptp4l0-21swapper/419:55:134
111391320,0ptp4l0-21swapper/422:00:164
111391320,0ptp4l0-21swapper/420:50:124
111391320,0ptp4l0-21swapper/022:19:060
111391320,0ptp4l0-21swapper/021:34:060
111391300,0ptp4l0-21swapper/522:55:155
111391300,0ptp4l0-21swapper/522:55:155
111391300,0ptp4l0-21swapper/420:59:364
111391290,4ptp4l13312-21ssh21:11:344
111391290,2ptp4l0-21swapper/522:02:265
111391290,0ptp4l0-21swapper/523:20:375
111391290,0ptp4l0-21swapper/400:23:314
111391290,0ptp4l0-21swapper/122:35:141
111391280,2ptp4l0-21swapper/022:42:470
111391280,0ptp4l0-21swapper/500:37:075
111391280,0ptp4l0-21swapper/423:47:284
111391280,0ptp4l0-21swapper/423:29:534
111391280,0ptp4l0-21swapper/023:24:090
111391280,0ptp4l0-21swapper/021:41:080
111391270,0ptp4l0-21swapper/521:28:015
111391270,0ptp4l0-21swapper/423:59:324
111391270,0ptp4l0-21swapper/423:11:574
111391270,0ptp4l0-21swapper/421:57:024
111391270,0ptp4l0-21swapper/421:42:134
111391270,0ptp4l0-21swapper/421:24:494
111391270,0ptp4l0-21swapper/420:45:124
111391270,0ptp4l0-21swapper/123:44:021
111391270,0ptp4l0-21swapper/122:46:471
111391270,0ptp4l0-21swapper/023:19:020
111391270,0ptp4l0-21swapper/000:31:430
111391260,1ptp4l9-21ksoftirqd/021:10:130
111391260,0ptp4l0-21swapper/522:35:185
111391260,0ptp4l0-21swapper/521:19:535
111391260,0ptp4l0-21swapper/500:08:195
111391260,0ptp4l0-21swapper/422:45:124
111391260,0ptp4l0-21swapper/422:34:454
111391260,0ptp4l0-21swapper/422:29:014
111391260,0ptp4l0-21swapper/421:46:214
111391260,0ptp4l0-21swapper/421:28:354
111391260,0ptp4l0-21swapper/400:28:124
111391260,0ptp4l0-21swapper/122:07:271
111391260,0ptp4l0-21swapper/023:02:190
111391250,3ptp4l481ktimersoftd/400:01:304
111391250,2ptp4l23167-21df20:25:114
111391250,0ptp4l0-21swapper/423:50:584
111391250,0ptp4l0-21swapper/421:30:594
111391250,0ptp4l0-21swapper/121:34:591
111391250,0ptp4l0-21swapper/121:24:581
111391250,0ptp4l0-21swapper/100:35:361
111391250,0ptp4l0-21swapper/100:17:131
111391250,0ptp4l0-21swapper/022:38:490
111391250,0ptp4l0-21swapper/021:15:170
111391240,2ptp4l0-21swapper/120:28:141
111391240,2ptp4l0-21swapper/022:45:380
111391240,1ptp4l4599-21fw_forwarded_lo20:55:125
111391240,1ptp4l32263-21grub2-editenv23:05:135
111391240,1ptp4l26883-21unixbench_multi19:20:191
111391240,1ptp4l23775-21smart_sda21:25:181
111391240,1ptp4l17215-21wc23:30:010
111391240,1ptp4l16674-21/usr/sbin/munin20:10:164
111391240,0ptp4l0-21swapper/621:21:126
111391240,0ptp4l0-21swapper/523:52:455
111391240,0ptp4l0-21swapper/522:10:125
111391240,0ptp4l0-21swapper/522:07:265
111391240,0ptp4l0-21swapper/521:20:135
111391240,0ptp4l0-21swapper/423:30:494
111391240,0ptp4l0-21swapper/423:15:124
111391240,0ptp4l0-21swapper/423:09:184
111391240,0ptp4l0-21swapper/422:42:394
111391240,0ptp4l0-21swapper/422:21:364
111391240,0ptp4l0-21swapper/421:16:344
111391240,0ptp4l0-21swapper/123:55:201
111391240,0ptp4l0-21swapper/123:45:131
111391240,0ptp4l0-21swapper/121:57:591
111391240,0ptp4l0-21swapper/121:35:021
111391240,0ptp4l0-21swapper/100:00:121
111391240,0ptp4l0-21swapper/023:49:160
111391240,0ptp4l0-21swapper/022:05:180
111391240,0ptp4l0-21swapper/021:21:290
111391240,0ptp4l0-21swapper/020:00:210
111391240,0ptp4l0-21swapper/019:25:170
111391240,0ptp4l0-21swapper/019:24:450
111391240,0ptp4l0-21swapper/000:38:040
111391230,2ptp4l0-21swapper/421:36:244
111391230,1ptp4l9413-21ps21:05:160
111391230,1ptp4l8808-21on_ac_power00:01:000
111391230,1ptp4l5329-21sh23:13:141
111391230,1ptp4l3001-21diskstats23:10:105
111391230,1ptp4l22217-21swap23:35:204
111391230,1ptp4l17896-21if_virbr0-nic23:30:130
111391230,1ptp4l10820-21diskmemload22:52:500
111391230,0ptp4l0-21swapper/523:45:105
111391230,0ptp4l0-21swapper/523:31:185
111391230,0ptp4l0-21swapper/522:33:555
111391230,0ptp4l0-21swapper/521:50:125
111391230,0ptp4l0-21swapper/520:03:355
111391230,0ptp4l0-21swapper/519:15:205
111391230,0ptp4l0-21swapper/500:00:105
111391230,0ptp4l0-21swapper/423:40:154
111391230,0ptp4l0-21swapper/423:01:484
111391230,0ptp4l0-21swapper/422:50:194
111391230,0ptp4l0-21swapper/422:39:584
111391230,0ptp4l0-21swapper/422:10:244
111391230,0ptp4l0-21swapper/422:06:024
111391230,0ptp4l0-21swapper/421:50:204
111391230,0ptp4l0-21swapper/421:05:174
111391230,0ptp4l0-21swapper/420:31:154
111391230,0ptp4l0-21swapper/420:05:124
111391230,0ptp4l0-21swapper/420:00:184
111391230,0ptp4l0-21swapper/419:50:204
111391230,0ptp4l0-21swapper/419:40:154
111391230,0ptp4l0-21swapper/419:17:024
111391230,0ptp4l0-21swapper/400:34:084
111391230,0ptp4l0-21swapper/400:17:324
111391230,0ptp4l0-21swapper/400:10:124
111391230,0ptp4l0-21swapper/123:05:011
111391230,0ptp4l0-21swapper/122:58:431
111391230,0ptp4l0-21swapper/122:58:431
111391230,0ptp4l0-21swapper/122:51:351
111391230,0ptp4l0-21swapper/121:13:521
111391230,0ptp4l0-21swapper/120:55:121
111391230,0ptp4l0-21swapper/120:35:121
111391230,0ptp4l0-21swapper/119:45:181
111391230,0ptp4l0-21swapper/119:10:191
111391230,0ptp4l0-21swapper/023:57:190
111391230,0ptp4l0-21swapper/023:40:160
111391230,0ptp4l0-21swapper/023:37:490
111391230,0ptp4l0-21swapper/022:30:160
111391230,0ptp4l0-21swapper/022:12:500
111391230,0ptp4l0-21swapper/021:55:100
111391230,0ptp4l0-21swapper/021:50:190
111391230,0ptp4l0-21swapper/021:45:150
111391230,0ptp4l0-21swapper/021:26:520
111391230,0ptp4l0-21swapper/020:45:130
111391230,0ptp4l0-21swapper/020:40:110
111391230,0ptp4l0-21swapper/020:35:190
111391230,0ptp4l0-21swapper/020:30:140
111391230,0ptp4l0-21swapper/020:25:190
111391230,0ptp4l0-21swapper/019:45:110
111391230,0ptp4l0-21swapper/000:20:110
111391230,0ptp4l0-21swapper/000:10:110
111391220,1ptp4l31235-21ssh22:20:100
111391220,1ptp4l30692-21kernelversion19:30:140
111391220,1ptp4l10854-21df00:05:104
111391220,0ptp4l20618-21if_eno119:10:125
111391220,0ptp4l19929-21sh22:49:505
111391220,0ptp4l0-21swapper/723:38:197
111391220,0ptp4l0-21swapper/722:33:137
111391220,0ptp4l0-21swapper/622:20:426
111391220,0ptp4l0-21swapper/523:55:165
111391220,0ptp4l0-21swapper/523:40:005
111391220,0ptp4l0-21swapper/522:51:415
111391220,0ptp4l0-21swapper/522:40:555
111391220,0ptp4l0-21swapper/522:23:015
111391220,0ptp4l0-21swapper/521:45:545
111391220,0ptp4l0-21swapper/521:40:165
111391220,0ptp4l0-21swapper/521:35:015
111391220,0ptp4l0-21swapper/521:32:345
111391220,0ptp4l0-21swapper/521:00:115
111391220,0ptp4l0-21swapper/520:35:135
111391220,0ptp4l0-21swapper/520:26:045
111391220,0ptp4l0-21swapper/520:20:115
111391220,0ptp4l0-21swapper/520:20:105
111391220,0ptp4l0-21swapper/520:13:375
111391220,0ptp4l0-21swapper/519:35:155
111391220,0ptp4l0-21swapper/519:25:045
111391220,0ptp4l0-21swapper/519:20:135
111391220,0ptp4l0-21swapper/423:20:114
111391220,0ptp4l0-21swapper/422:56:174
111391220,0ptp4l0-21swapper/422:56:164
111391220,0ptp4l0-21swapper/422:15:154
111391220,0ptp4l0-21swapper/421:00:204
111391220,0ptp4l0-21swapper/420:40:114
111391220,0ptp4l0-21swapper/420:36:064
111391220,0ptp4l0-21swapper/420:15:154
111391220,0ptp4l0-21swapper/419:30:134
111391220,0ptp4l0-21swapper/419:25:114
111391220,0ptp4l0-21swapper/419:24:464
111391220,0ptp4l0-21swapper/419:10:154
111391220,0ptp4l0-21swapper/400:39:084
111391220,0ptp4l0-21swapper/323:38:203
111391220,0ptp4l0-21swapper/222:16:012
111391220,0ptp4l0-21swapper/219:50:122
111391220,0ptp4l0-21swapper/123:52:351
111391220,0ptp4l0-21swapper/123:40:011
111391220,0ptp4l0-21swapper/123:26:081
111391220,0ptp4l0-21swapper/123:15:411
111391220,0ptp4l0-21swapper/123:05:081
111391220,0ptp4l0-21swapper/122:10:121
111391220,0ptp4l0-21swapper/121:50:151
111391220,0ptp4l0-21swapper/121:45:561
111391220,0ptp4l0-21swapper/121:43:031
111391220,0ptp4l0-21swapper/121:15:191
111391220,0ptp4l0-21swapper/120:49:491
111391220,0ptp4l0-21swapper/120:31:371
111391220,0ptp4l0-21swapper/120:13:031
111391220,0ptp4l0-21swapper/120:09:321
111391220,0ptp4l0-21swapper/119:54:221
111391220,0ptp4l0-21swapper/023:50:140
111391220,0ptp4l0-21swapper/023:12:270
111391220,0ptp4l0-21swapper/023:05:190
111391220,0ptp4l0-21swapper/022:56:040
111391220,0ptp4l0-21swapper/022:56:030
111391220,0ptp4l0-21swapper/022:25:100
111391220,0ptp4l0-21swapper/022:00:120
111391220,0ptp4l0-21swapper/021:35:100
111391220,0ptp4l0-21swapper/021:01:010
111391220,0ptp4l0-21swapper/020:55:190
111391220,0ptp4l0-21swapper/020:50:110
111391220,0ptp4l0-21swapper/020:15:140
111391220,0ptp4l0-21swapper/020:05:160
111391220,0ptp4l0-21swapper/019:55:170
111391220,0ptp4l0-21swapper/019:15:000
111391220,0ptp4l0-21swapper/000:26:190
111391220,0ptp4l0-21swapper/000:15:180
111391220,0ptp4l0-21swapper/000:05:290
111391210,0ptp4l0-21swapper/623:54:256
111391210,0ptp4l0-21swapper/622:16:016
111391210,0ptp4l0-21swapper/620:01:366
111391210,0ptp4l0-21swapper/600:18:026
111391210,0ptp4l0-21swapper/523:29:455
111391210,0ptp4l0-21swapper/523:16:115
111391210,0ptp4l0-21swapper/523:04:525
111391210,0ptp4l0-21swapper/522:27:535
111391210,0ptp4l0-21swapper/522:19:165
111391210,0ptp4l0-21swapper/521:59:225
111391210,0ptp4l0-21swapper/521:12:345
111391210,0ptp4l0-21swapper/519:50:405
111391210,0ptp4l0-21swapper/519:34:295
111391210,0ptp4l0-21swapper/500:24:155
111391210,0ptp4l0-21swapper/500:18:275
111391210,0ptp4l0-21swapper/500:10:585
111391210,0ptp4l0-21swapper/419:45:204
111391210,0ptp4l0-21swapper/419:36:584
111391210,0ptp4l0-21swapper/322:33:153
111391210,0ptp4l0-21swapper/123:32:141
111391210,0ptp4l0-21swapper/122:40:521
111391210,0ptp4l0-21swapper/122:31:201
111391210,0ptp4l0-21swapper/122:29:501
111391210,0ptp4l0-21swapper/122:21:561
111391210,0ptp4l0-21swapper/122:17:111
111391210,0ptp4l0-21swapper/121:00:111
111391210,0ptp4l0-21swapper/120:20:151
111391210,0ptp4l0-21swapper/120:20:151
111391210,0ptp4l0-21swapper/120:03:181
111391210,0ptp4l0-21swapper/119:35:191
111391210,0ptp4l0-21swapper/119:29:171
111391210,0ptp4l0-21swapper/100:29:061
111391210,0ptp4l0-21swapper/100:11:491
111391210,0ptp4l0-21swapper/100:06:061
111391210,0ptp4l0-21swapper/020:21:190
111391210,0ptp4l0-21swapper/020:21:190
111391210,0ptp4l0-21swapper/020:10:180
111391210,0ptp4l0-21swapper/019:50:190
111391210,0ptp4l0-21swapper/019:40:110
111391210,0ptp4l0-21swapper/019:15:180
111391200,0ptp4l0-21swapper/623:58:186
111391200,0ptp4l0-21swapper/623:28:516
111391200,0ptp4l0-21swapper/621:17:326
111391200,0ptp4l0-21swapper/500:29:075
111391200,0ptp4l0-21swapper/420:21:574
111391200,0ptp4l0-21swapper/420:21:564
111391200,0ptp4l0-21swapper/223:28:522
111391200,0ptp4l0-21swapper/222:37:562
111391200,0ptp4l0-21swapper/221:21:142
111391200,0ptp4l0-21swapper/221:17:302
111391200,0ptp4l0-21swapper/123:20:391
111391200,0ptp4l0-21swapper/120:18:061
111391200,0ptp4l0-21swapper/119:56:071
111391200,0ptp4l0-21swapper/119:32:361
111391200,0ptp4l0-21swapper/119:15:141
111391200,0ptp4l0-21swapper/100:30:471
111391200,0ptp4l0-21swapper/100:22:411
20103991917,0cyclictest0-21swapper/722:06:037
111391190,0ptp4l0-21swapper/500:30:465
111391190,0ptp4l0-21swapper/223:58:142
111391190,0ptp4l0-21swapper/222:23:232
111391190,0ptp4l0-21swapper/119:40:401
181152180,0sleep30-21swapper/320:15:003
111391180,0ptp4l0-21swapper/622:37:556
111391180,0ptp4l0-21swapper/621:30:366
111391180,0ptp4l0-21swapper/523:35:255
111391180,0ptp4l0-21swapper/520:08:365
111391180,0ptp4l0-21swapper/223:54:322
111391180,0ptp4l0-21swapper/221:36:042
111391180,0ptp4l0-21swapper/221:30:372
111391180,0ptp4l0-21swapper/200:18:002
111391180,0ptp4l0-21swapper/200:13:522
111391180,0ptp4l0-21swapper/019:37:210
111391170,0ptp4l0-21swapper/600:04:056
111391170,0ptp4l0-21swapper/519:40:515
111391160,0ptp4l0-21swapper/621:36:066
111391160,0ptp4l0-21swapper/520:51:335
111391160,0ptp4l0-21swapper/520:18:515
111391160,0ptp4l0-21swapper/519:48:085
111391160,0ptp4l0-21swapper/222:26:362
111391160,0ptp4l0-21swapper/200:04:062
111391160,0ptp4l0-21swapper/120:51:051
2009899150,0cyclictest0-21swapper/621:48:286
111391150,0ptp4l0-21swapper/620:24:296
111391150,0ptp4l0-21swapper/620:24:296
111391150,0ptp4l0-21swapper/619:50:166
111391150,0ptp4l0-21swapper/619:37:586
111391150,0ptp4l0-21swapper/600:13:486
111391150,0ptp4l0-21swapper/521:06:315
111391150,0ptp4l0-21swapper/520:45:355
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2007599100,9cyclictest0-21swapper/321:05:003
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201039998,0cyclictest0-21swapper/722:20:177
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200989990,1cyclictest186291getstats23:30:116
200989990,0cyclictest0-21swapper/623:40:126
200989990,0cyclictest0-21swapper/623:00:036
200989990,0cyclictest0-21swapper/622:55:156
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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