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2026-07-03 - 09:31

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 Jul 03, 2026 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391650,29ptp4l0-21swapper/019:05:140
111391610,5ptp4l0-21swapper/419:06:064
111391600,5ptp4l0-21swapper/519:09:375
111391600,28ptp4l0-21swapper/119:07:121
40952570,0sleep50-21swapper/519:10:155
124825646,6sleep70-21swapper/719:05:057
301225433,7sleep20-21swapper/219:07:422
292724837,7sleep30-21swapper/319:06:373
307124735,7sleep60-21swapper/619:08:256
111391320,1ptp4l14451-21users00:15:220
111391310,0ptp4l0-21swapper/423:45:494
111391310,0ptp4l0-21swapper/423:10:514
111391310,0ptp4l0-21swapper/419:15:134
111391310,0ptp4l0-21swapper/119:45:201
111391300,0ptp4l0-21swapper/623:40:166
111391300,0ptp4l0-21swapper/122:25:131
111391290,1ptp4l1068-21runrttasks00:24:101
111391290,0ptp4l0-21swapper/500:36:385
111391290,0ptp4l0-21swapper/423:52:064
111391290,0ptp4l0-21swapper/120:40:201
111391290,0ptp4l0-21swapper/000:29:090
111391280,2ptp4l0-21swapper/123:20:241
111391280,0ptp4l0-21swapper/623:27:406
111391280,0ptp4l0-21swapper/523:43:355
111391280,0ptp4l0-21swapper/423:20:384
111391280,0ptp4l0-21swapper/421:56:144
111391280,0ptp4l0-21swapper/300:10:213
111391280,0ptp4l0-21swapper/222:20:132
111391280,0ptp4l0-21swapper/123:49:541
111391280,0ptp4l0-21swapper/100:27:331
111391280,0ptp4l0-21swapper/022:48:170
111391280,0ptp4l0-21swapper/022:48:170
111391280,0ptp4l0-21swapper/019:10:180
111391280,0ptp4l0-21swapper/000:00:060
111391270,0ptp4l121rcu_preempt19:20:201
111391270,0ptp4l0-21swapper/723:32:317
111391270,0ptp4l0-21swapper/500:04:045
111391270,0ptp4l0-21swapper/422:05:014
111391270,0ptp4l0-21swapper/323:08:203
111391260,0ptp4l0-21swapper/723:39:527
111391260,0ptp4l0-21swapper/422:50:454
111391260,0ptp4l0-21swapper/421:05:204
111391260,0ptp4l0-21swapper/400:37:584
111391260,0ptp4l0-21swapper/400:32:054
111391260,0ptp4l0-21swapper/400:19:074
111391260,0ptp4l0-21swapper/022:30:180
111391260,0ptp4l0-21swapper/021:55:160
111391260,0ptp4l0-21swapper/020:10:000
111391260,0ptp4l0-21swapper/020:10:000
111391250,1ptp4l12236-21df23:30:110
111391250,1ptp4l0-21swapper/023:20:160
111391250,0ptp4l0-21swapper/523:25:115
111391250,0ptp4l0-21swapper/523:20:145
111391250,0ptp4l0-21swapper/522:25:195
111391250,0ptp4l0-21swapper/522:05:105
111391250,0ptp4l0-21swapper/423:35:524
111391250,0ptp4l0-21swapper/423:25:504
111391250,0ptp4l0-21swapper/423:19:064
111391250,0ptp4l0-21swapper/423:09:414
111391250,0ptp4l0-21swapper/422:10:104
111391250,0ptp4l0-21swapper/421:36:174
111391250,0ptp4l0-21swapper/419:50:134
111391250,0ptp4l0-21swapper/323:32:323
111391250,0ptp4l0-21swapper/123:12:111
111391250,0ptp4l0-21swapper/121:30:211
111391250,0ptp4l0-21swapper/120:30:001
111391250,0ptp4l0-21swapper/021:52:070
111391250,0ptp4l0-21swapper/021:10:100
111391240,1ptp4l6954-21ssh00:05:200
111391240,1ptp4l31332-21smartctl22:15:134
111391240,1ptp4l16129-21idleruntime23:35:141
111391240,1ptp4l15251-21cat22:45:001
111391240,1ptp4l14673-21sed19:30:191
111391240,1ptp4l1334-21irqstats23:15:165
111391240,1ptp4l10533-21latency22:35:144
111391240,0ptp4l26569-21diskmemload22:20:156
111391240,0ptp4l0-21swapper/723:07:507
111391240,0ptp4l0-21swapper/623:02:276
111391240,0ptp4l0-21swapper/521:30:205
111391240,0ptp4l0-21swapper/521:20:165
111391240,0ptp4l0-21swapper/521:17:035
111391240,0ptp4l0-21swapper/520:15:155
111391240,0ptp4l0-21swapper/500:06:145
111391240,0ptp4l0-21swapper/423:59:114
111391240,0ptp4l0-21swapper/421:40:184
111391240,0ptp4l0-21swapper/420:25:184
111391240,0ptp4l0-21swapper/419:10:184
111391240,0ptp4l0-21swapper/323:40:013
111391240,0ptp4l0-21swapper/323:01:283
111391240,0ptp4l0-21swapper/320:50:183
111391240,0ptp4l0-21swapper/221:50:172
111391240,0ptp4l0-21swapper/220:55:012
111391240,0ptp4l0-21swapper/123:43:231
111391240,0ptp4l0-21swapper/122:09:021
111391240,0ptp4l0-21swapper/122:00:201
111391240,0ptp4l0-21swapper/023:54:020
111391240,0ptp4l0-21swapper/023:38:540
111391240,0ptp4l0-21swapper/023:27:340
111391240,0ptp4l0-21swapper/022:15:150
111391240,0ptp4l0-21swapper/021:45:200
111391240,0ptp4l0-21swapper/020:35:120
111391240,0ptp4l0-21swapper/020:20:160
111391240,0ptp4l0-21swapper/019:55:140
111391240,0ptp4l0-21swapper/000:35:120
111391230,1ptp4l8557-21hddtemp_smartct23:25:131
111391230,1ptp4l6574-21df20:25:105
111391230,1ptp4l6314-21/usr/sbin/munin20:25:110
111391230,1ptp4l3125-21acpi21:25:100
111391230,1ptp4l20373-21hostname20:55:130
111391230,1ptp4l10526-21munin-run20:35:002
111391230,0ptp4l0-21swapper/720:50:177
111391230,0ptp4l0-21swapper/700:12:407
111391230,0ptp4l0-21swapper/622:26:596
111391230,0ptp4l0-21swapper/620:55:006
111391230,0ptp4l0-21swapper/620:45:166
111391230,0ptp4l0-21swapper/523:55:165
111391230,0ptp4l0-21swapper/523:50:225
111391230,0ptp4l0-21swapper/523:35:085
111391230,0ptp4l0-21swapper/523:30:175
111391230,0ptp4l0-21swapper/521:53:165
111391230,0ptp4l0-21swapper/521:29:305
111391230,0ptp4l0-21swapper/521:12:405
111391230,0ptp4l0-21swapper/521:00:135
111391230,0ptp4l0-21swapper/520:30:135
111391230,0ptp4l0-21swapper/519:40:165
111391230,0ptp4l0-21swapper/519:20:125
111391230,0ptp4l0-21swapper/500:24:235
111391230,0ptp4l0-21swapper/500:17:105
111391230,0ptp4l0-21swapper/423:40:104
111391230,0ptp4l0-21swapper/423:30:204
111391230,0ptp4l0-21swapper/422:55:184
111391230,0ptp4l0-21swapper/422:41:404
111391230,0ptp4l0-21swapper/421:48:524
111391230,0ptp4l0-21swapper/421:23:324
111391230,0ptp4l0-21swapper/421:15:144
111391230,0ptp4l0-21swapper/421:10:144
111391230,0ptp4l0-21swapper/420:55:134
111391230,0ptp4l0-21swapper/420:40:174
111391230,0ptp4l0-21swapper/420:35:174
111391230,0ptp4l0-21swapper/420:05:144
111391230,0ptp4l0-21swapper/420:05:134
111391230,0ptp4l0-21swapper/419:55:154
111391230,0ptp4l0-21swapper/419:45:134
111391230,0ptp4l0-21swapper/419:35:144
111391230,0ptp4l0-21swapper/400:20:544
111391230,0ptp4l0-21swapper/400:13:424
111391230,0ptp4l0-21swapper/300:07:483
111391230,0ptp4l0-21swapper/222:15:182
111391230,0ptp4l0-21swapper/123:55:541
111391230,0ptp4l0-21swapper/123:50:201
111391230,0ptp4l0-21swapper/123:30:141
111391230,0ptp4l0-21swapper/123:15:141
111391230,0ptp4l0-21swapper/122:55:121
111391230,0ptp4l0-21swapper/122:45:121
111391230,0ptp4l0-21swapper/122:45:111
111391230,0ptp4l0-21swapper/122:30:131
111391230,0ptp4l0-21swapper/121:55:111
111391230,0ptp4l0-21swapper/121:05:151
111391230,0ptp4l0-21swapper/119:15:201
111391230,0ptp4l0-21swapper/100:16:301
111391230,0ptp4l0-21swapper/023:45:180
111391230,0ptp4l0-21swapper/023:44:550
111391230,0ptp4l0-21swapper/023:19:280
111391230,0ptp4l0-21swapper/023:10:340
111391230,0ptp4l0-21swapper/023:05:180
111391230,0ptp4l0-21swapper/023:02:150
111391230,0ptp4l0-21swapper/022:40:190
111391230,0ptp4l0-21swapper/022:35:150
111391230,0ptp4l0-21swapper/022:27:100
111391230,0ptp4l0-21swapper/022:10:180
111391230,0ptp4l0-21swapper/021:40:120
111391230,0ptp4l0-21swapper/021:33:340
111391230,0ptp4l0-21swapper/021:15:170
111391230,0ptp4l0-21swapper/019:15:190
111391230,0ptp4l0-21swapper/000:20:310
111391220,1ptp4l26206-21ssh00:33:307
111391220,0ptp4l0-21swapper/723:15:477
111391220,0ptp4l0-21swapper/723:00:497
111391220,0ptp4l0-21swapper/700:08:077
111391220,0ptp4l0-21swapper/623:35:186
111391220,0ptp4l0-21swapper/622:15:176
111391220,0ptp4l0-21swapper/600:18:116
111391220,0ptp4l0-21swapper/523:49:525
111391220,0ptp4l0-21swapper/523:10:155
111391220,0ptp4l0-21swapper/522:55:125
111391220,0ptp4l0-21swapper/522:45:155
111391220,0ptp4l0-21swapper/522:45:145
111391220,0ptp4l0-21swapper/522:43:325
111391220,0ptp4l0-21swapper/522:30:115
111391220,0ptp4l0-21swapper/522:00:195
111391220,0ptp4l0-21swapper/520:10:165
111391220,0ptp4l0-21swapper/520:00:105
111391220,0ptp4l0-21swapper/519:45:205
111391220,0ptp4l0-21swapper/500:25:195
111391220,0ptp4l0-21swapper/423:00:004
111391220,0ptp4l0-21swapper/422:30:144
111391220,0ptp4l0-21swapper/422:00:124
111391220,0ptp4l0-21swapper/421:50:184
111391220,0ptp4l0-21swapper/421:25:144
111391220,0ptp4l0-21swapper/420:20:154
111391220,0ptp4l0-21swapper/419:25:114
111391220,0ptp4l0-21swapper/400:25:564
111391220,0ptp4l0-21swapper/400:05:144
111391220,0ptp4l0-21swapper/400:00:164
111391220,0ptp4l0-21swapper/300:33:383
111391220,0ptp4l0-21swapper/223:40:162
111391220,0ptp4l0-21swapper/223:35:192
111391220,0ptp4l0-21swapper/220:45:112
111391220,0ptp4l0-21swapper/200:18:102
111391220,0ptp4l0-21swapper/121:19:461
111391220,0ptp4l0-21swapper/121:13:491
111391220,0ptp4l0-21swapper/121:00:131
111391220,0ptp4l0-21swapper/120:30:151
111391220,0ptp4l0-21swapper/120:15:101
111391220,0ptp4l0-21swapper/120:10:191
111391220,0ptp4l0-21swapper/120:00:201
111391220,0ptp4l0-21swapper/119:55:101
111391220,0ptp4l0-21swapper/119:52:161
111391220,0ptp4l0-21swapper/119:40:151
111391220,0ptp4l0-21swapper/100:39:271
111391220,0ptp4l0-21swapper/100:14:311
111391220,0ptp4l0-21swapper/100:06:221
111391220,0ptp4l0-21swapper/023:56:200
111391220,0ptp4l0-21swapper/022:55:160
111391220,0ptp4l0-21swapper/022:50:140
111391220,0ptp4l0-21swapper/022:05:180
111391220,0ptp4l0-21swapper/022:01:140
111391220,0ptp4l0-21swapper/021:35:140
111391220,0ptp4l0-21swapper/021:20:200
111391220,0ptp4l0-21swapper/021:05:180
111391220,0ptp4l0-21swapper/020:45:190
111391220,0ptp4l0-21swapper/020:40:150
111391220,0ptp4l0-21swapper/020:10:130
111391220,0ptp4l0-21swapper/019:50:130
111391220,0ptp4l0-21swapper/019:45:120
111391220,0ptp4l0-21swapper/019:35:160
111391220,0ptp4l0-21swapper/019:25:200
111391220,0ptp4l0-21swapper/000:30:170
111391220,0ptp4l0-21swapper/000:13:130
111391210,0ptp4l0-21swapper/623:58:246
111391210,0ptp4l0-21swapper/623:48:376
111391210,0ptp4l0-21swapper/622:11:286
111391210,0ptp4l0-21swapper/600:35:036
111391210,0ptp4l0-21swapper/522:18:465
111391210,0ptp4l0-21swapper/521:58:145
111391210,0ptp4l0-21swapper/521:41:365
111391210,0ptp4l0-21swapper/519:38:345
111391210,0ptp4l0-21swapper/500:13:585
111391210,0ptp4l0-21swapper/420:10:114
111391210,0ptp4l0-21swapper/323:15:453
111391210,0ptp4l0-21swapper/223:57:432
111391210,0ptp4l0-21swapper/223:51:522
111391210,0ptp4l0-21swapper/223:19:452
111391210,0ptp4l0-21swapper/222:02:492
111391210,0ptp4l0-21swapper/221:39:192
111391210,0ptp4l0-21swapper/121:53:421
111391210,0ptp4l0-21swapper/121:40:361
111391210,0ptp4l0-21swapper/121:29:301
111391210,0ptp4l0-21swapper/120:58:121
111391210,0ptp4l0-21swapper/120:53:541
111391210,0ptp4l0-21swapper/119:10:211
111391210,0ptp4l0-21swapper/100:01:531
111391210,0ptp4l0-21swapper/020:30:440
349499200,15cyclictest0-21swapper/420:32:184
111391200,3ptp4l641ktimersoftd/622:07:446
111391200,0ptp4l0-21swapper/619:11:036
111391200,0ptp4l0-21swapper/523:03:295
111391200,0ptp4l0-21swapper/522:22:565
111391200,0ptp4l0-21swapper/522:13:565
111391200,0ptp4l0-21swapper/521:49:245
111391200,0ptp4l0-21swapper/520:08:445
111391200,0ptp4l0-21swapper/520:08:435
111391200,0ptp4l0-21swapper/519:56:545
111391200,0ptp4l0-21swapper/519:29:285
111391200,0ptp4l0-21swapper/519:15:465
111391200,0ptp4l0-21swapper/422:46:244
111391200,0ptp4l0-21swapper/422:46:244
111391200,0ptp4l0-21swapper/422:27:134
111391200,0ptp4l0-21swapper/422:21:054
111391200,0ptp4l0-21swapper/421:33:574
111391200,0ptp4l0-21swapper/420:52:544
111391200,0ptp4l0-21swapper/420:00:534
111391200,0ptp4l0-21swapper/419:41:104
111391200,0ptp4l0-21swapper/419:22:514
111391200,0ptp4l0-21swapper/200:35:462
111391200,0ptp4l0-21swapper/123:03:321
111391200,0ptp4l0-21swapper/122:50:331
111391200,0ptp4l0-21swapper/122:22:141
111391200,0ptp4l0-21swapper/122:10:211
111391200,0ptp4l0-21swapper/121:20:131
111391200,0ptp4l0-21swapper/120:08:381
111391200,0ptp4l0-21swapper/120:08:371
111391200,0ptp4l0-21swapper/119:37:441
111391200,0ptp4l0-21swapper/022:22:540
111391200,0ptp4l0-21swapper/020:04:200
111391200,0ptp4l0-21swapper/019:30:130
111391190,0ptp4l0-21swapper/521:04:595
111391190,0ptp4l0-21swapper/519:51:485
111391190,0ptp4l0-21swapper/421:01:274
111391190,0ptp4l0-21swapper/222:31:492
111391190,0ptp4l0-21swapper/222:11:062
111391190,0ptp4l0-21swapper/122:38:161
111391190,0ptp4l0-21swapper/122:16:111
111391190,0ptp4l0-21swapper/121:49:091
111391190,0ptp4l0-21swapper/121:37:091
111391190,0ptp4l0-21swapper/120:46:111
111391190,0ptp4l0-21swapper/119:26:451
111391190,0ptp4l0-21swapper/020:52:110
111391190,0ptp4l0-21swapper/019:23:000
111391180,0ptp4l0-21swapper/723:51:317
111391180,0ptp4l0-21swapper/721:45:437
111391180,0ptp4l0-21swapper/622:34:516
111391180,0ptp4l0-21swapper/619:38:416
111391180,0ptp4l0-21swapper/520:25:005
111391180,0ptp4l0-21swapper/519:31:115
111391180,0ptp4l0-21swapper/419:32:564
111391180,0ptp4l0-21swapper/321:45:563
111391180,0ptp4l0-21swapper/222:26:472
111391180,0ptp4l0-21swapper/221:11:362
111391180,0ptp4l0-21swapper/220:55:572
3502991716,0cyclictest0-21swapper/500:30:155
111391170,0ptp4l0-21swapper/723:40:017
111391170,0ptp4l0-21swapper/623:51:566
111391170,0ptp4l0-21swapper/621:47:466
111391170,0ptp4l0-21swapper/522:51:375
111391170,0ptp4l0-21swapper/520:58:375
111391170,0ptp4l0-21swapper/520:47:365
111391170,0ptp4l0-21swapper/520:41:225
111391170,0ptp4l0-21swapper/323:51:293
111391170,0ptp4l0-21swapper/223:27:382
111391170,0ptp4l0-21swapper/221:47:442
111391170,0ptp4l0-21swapper/221:43:382
111391170,0ptp4l0-21swapper/221:23:342
111391170,0ptp4l0-21swapper/123:08:501
348199161,0cyclictest0-21swapper/221:25:142
111391160,0ptp4l0-21swapper/622:02:246
111391160,0ptp4l0-21swapper/621:39:206
111391160,0ptp4l0-21swapper/621:32:466
111391160,0ptp4l0-21swapper/621:11:386
111391160,0ptp4l0-21swapper/323:40:023
111391160,0ptp4l0-21swapper/120:38:121
111391160,0ptp4l0-21swapper/120:23:491
111391160,0ptp4l0-21swapper/019:40:470
111391150,0ptp4l0-21swapper/720:37:387
111391150,0ptp4l0-21swapper/720:24:247
111391150,0ptp4l0-21swapper/621:50:156
111391150,0ptp4l0-21swapper/621:43:406
111391150,0ptp4l0-21swapper/621:23:366
111391150,0ptp4l0-21swapper/620:55:026
111391150,0ptp4l0-21swapper/620:35:026
111391150,0ptp4l0-21swapper/620:34:086
111391150,0ptp4l0-21swapper/620:10:376
111391150,0ptp4l0-21swapper/620:01:076
111391150,0ptp4l0-21swapper/619:52:436
111391150,0ptp4l0-21swapper/619:45:556
111391150,0ptp4l0-21swapper/619:18:596
111391150,0ptp4l0-21swapper/600:29:146
111391150,0ptp4l0-21swapper/522:36:045
111391150,0ptp4l0-21swapper/521:37:105
111391150,0ptp4l0-21swapper/520:50:045
111391150,0ptp4l0-21swapper/520:37:265
111391150,0ptp4l0-21swapper/420:45:014
111391150,0ptp4l0-21swapper/420:15:304
111391150,0ptp4l0-21swapper/320:37:383
111391150,0ptp4l0-21swapper/320:24:253
111391150,0ptp4l0-21swapper/223:08:512
111391150,0ptp4l0-21swapper/221:55:312
111391150,0ptp4l0-21swapper/221:32:452
111391150,0ptp4l0-21swapper/220:10:342
111391150,0ptp4l0-21swapper/219:50:382
111391150,0ptp4l0-21swapper/219:45:562
111391150,0ptp4l0-21swapper/219:11:002
111391150,0ptp4l0-21swapper/200:29:142
111391150,0ptp4l0-21swapper/021:00:500
111391150,0ptp4l0-21swapper/020:15:280
3514991412,1cyclictest0-21swapper/723:10:187
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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