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2026-07-09 - 13:22

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 Thu Jul 09, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391690,30ptp4l0-21swapper/019:05:130
111391670,5ptp4l0-21swapper/419:06:374
133882630,0sleep3401ktimersoftd/321:15:013
111391610,5ptp4l0-21swapper/119:05:041
81952600,0sleep30-21swapper/321:05:153
245402570,1sleep4481ktimersoftd/421:28:234
1787425634,7sleep30-21swapper/319:06:303
1812825544,7sleep20-21swapper/219:09:492
1624025342,6sleep70-21swapper/719:05:067
111391490,5ptp4l0-21swapper/519:05:115
1784824838,6sleep60-21swapper/619:06:096
111391340,0ptp4l0-21swapper/123:12:511
111391330,2ptp4l0-21swapper/019:50:170
111391330,1ptp4l9280-21if_enp0s2500:35:120
111391330,0ptp4l0-21swapper/022:01:080
111391320,0ptp4l0-21swapper/023:59:240
111391320,0ptp4l0-21swapper/021:25:110
111391310,2ptp4l0-21swapper/121:37:021
111391310,2ptp4l0-21swapper/121:37:021
111391310,0ptp4l0-21swapper/521:11:125
111391310,0ptp4l0-21swapper/519:45:095
111391310,0ptp4l0-21swapper/023:05:030
111391310,0ptp4l0-21swapper/022:27:470
111391300,0ptp4l0-21swapper/722:40:197
111391300,0ptp4l0-21swapper/523:42:045
111391300,0ptp4l0-21swapper/423:40:594
111391300,0ptp4l0-21swapper/423:15:194
111391300,0ptp4l0-21swapper/422:51:344
111391300,0ptp4l0-21swapper/421:40:104
111391300,0ptp4l0-21swapper/421:40:094
111391300,0ptp4l0-21swapper/400:13:574
111391300,0ptp4l0-21swapper/400:13:564
111391300,0ptp4l0-21swapper/321:31:213
111391300,0ptp4l0-21swapper/120:30:191
111391300,0ptp4l0-21swapper/023:21:160
111391300,0ptp4l0-21swapper/022:13:110
111391300,0ptp4l0-21swapper/021:22:020
111391300,0ptp4l0-21swapper/021:13:120
111391300,0ptp4l0-21swapper/000:28:160
111391290,0ptp4l0-21swapper/423:56:164
111391290,0ptp4l0-21swapper/423:32:374
111391290,0ptp4l0-21swapper/323:26:483
111391290,0ptp4l0-21swapper/121:46:151
111391290,0ptp4l0-21swapper/121:14:161
111391290,0ptp4l0-21swapper/023:16:220
111391290,0ptp4l0-21swapper/022:56:200
111391280,0ptp4l0-21swapper/423:20:414
111391280,0ptp4l0-21swapper/100:25:111
111391280,0ptp4l0-21swapper/023:45:120
111391280,0ptp4l0-21swapper/022:52:260
111391270,4ptp4l0-21swapper/100:32:051
111391270,0ptp4l0-21swapper/523:36:235
111391270,0ptp4l0-21swapper/500:03:425
111391270,0ptp4l0-21swapper/423:02:324
111391270,0ptp4l0-21swapper/422:09:014
111391270,0ptp4l0-21swapper/123:34:431
111391270,0ptp4l0-21swapper/123:07:101
111391270,0ptp4l0-21swapper/122:19:591
111391270,0ptp4l0-21swapper/022:42:580
111391270,0ptp4l0-21swapper/022:19:440
111391270,0ptp4l0-21swapper/021:56:540
111391270,0ptp4l0-21swapper/021:49:110
111391270,0ptp4l0-21swapper/000:34:380
111391270,0ptp4l0-21swapper/000:24:120
111391260,0ptp4l0-21swapper/622:00:156
111391260,0ptp4l0-21swapper/522:42:355
111391260,0ptp4l0-21swapper/521:54:575
111391260,0ptp4l0-21swapper/521:42:005
111391260,0ptp4l0-21swapper/521:42:005
111391260,0ptp4l0-21swapper/520:25:135
111391260,0ptp4l0-21swapper/500:22:215
111391260,0ptp4l0-21swapper/423:09:274
111391260,0ptp4l0-21swapper/422:45:184
111391260,0ptp4l0-21swapper/321:29:083
111391260,0ptp4l0-21swapper/100:23:571
111391260,0ptp4l0-21swapper/023:10:550
111391260,0ptp4l0-21swapper/022:24:320
111391260,0ptp4l0-21swapper/022:05:360
111391260,0ptp4l0-21swapper/021:18:110
111391250,1ptp4l9949-21cut23:55:014
111391250,1ptp4l30066-21munin-run20:44:590
111391250,0ptp4l0-21swapper/723:26:287
111391250,0ptp4l0-21swapper/522:36:505
111391250,0ptp4l0-21swapper/521:36:125
111391250,0ptp4l0-21swapper/521:36:115
111391250,0ptp4l0-21swapper/423:49:594
111391250,0ptp4l0-21swapper/422:30:174
111391250,0ptp4l0-21swapper/422:28:434
111391250,0ptp4l0-21swapper/422:02:204
111391250,0ptp4l0-21swapper/421:21:544
111391250,0ptp4l0-21swapper/400:33:114
111391250,0ptp4l0-21swapper/300:10:183
111391250,0ptp4l0-21swapper/300:10:173
111391250,0ptp4l0-21swapper/122:26:051
111391250,0ptp4l0-21swapper/121:55:011
111391250,0ptp4l0-21swapper/023:52:400
111391250,0ptp4l0-21swapper/022:30:370
111391250,0ptp4l0-21swapper/021:39:410
111391250,0ptp4l0-21swapper/021:39:400
111391250,0ptp4l0-21swapper/020:20:120
111391250,0ptp4l0-21swapper/000:12:490
111391250,0ptp4l0-21swapper/000:12:480
111391240,2ptp4l0-21swapper/121:43:531
111391240,2ptp4l0-21swapper/121:43:521
111391240,2ptp4l0-21swapper/000:01:380
111391240,1ptp4l6735-21users19:50:194
111391240,1ptp4l5230-21df21:00:114
111391240,1ptp4l3086-21cpuspeed_turbos19:45:091
111391240,1ptp4l26388-21ssh21:30:160
111391240,1ptp4l18672-21ssh23:24:493
111391240,1ptp4l15247-21grep21:15:204
111391240,0ptp4l0-21swapper/700:34:127
111391240,0ptp4l0-21swapper/619:35:146
111391240,0ptp4l0-21swapper/521:58:155
111391240,0ptp4l0-21swapper/521:32:125
111391240,0ptp4l0-21swapper/521:18:025
111391240,0ptp4l0-21swapper/500:30:045
111391240,0ptp4l0-21swapper/422:57:164
111391240,0ptp4l0-21swapper/422:24:524
111391240,0ptp4l0-21swapper/422:15:154
111391240,0ptp4l0-21swapper/419:55:134
111391240,0ptp4l0-21swapper/419:30:204
111391240,0ptp4l0-21swapper/400:25:554
111391240,0ptp4l0-21swapper/400:15:114
111391240,0ptp4l0-21swapper/219:20:582
111391240,0ptp4l0-21swapper/123:02:211
111391240,0ptp4l0-21swapper/122:45:361
111391240,0ptp4l0-21swapper/121:19:091
111391240,0ptp4l0-21swapper/119:23:321
111391240,0ptp4l0-21swapper/023:41:300
111391240,0ptp4l0-21swapper/023:01:430
111391240,0ptp4l0-21swapper/020:55:190
111391240,0ptp4l0-21swapper/020:54:000
111391240,0ptp4l0-21swapper/019:19:250
111391240,0ptp4l0-21swapper/000:16:440
111391230,1ptp4l9-21ksoftirqd/020:45:140
111391230,1ptp4l32483-21latency_hist20:50:005
111391230,1ptp4l21147-21ssh23:26:124
111391230,1ptp4l16888-21ssh00:02:461
111391230,1ptp4l13541-21ssh21:55:104
111391230,0ptp4l0-21swapper/722:49:427
111391230,0ptp4l0-21swapper/722:39:577
111391230,0ptp4l0-21swapper/700:10:117
111391230,0ptp4l0-21swapper/700:10:107
111391230,0ptp4l0-21swapper/623:05:156
111391230,0ptp4l0-21swapper/622:56:066
111391230,0ptp4l0-21swapper/523:34:285
111391230,0ptp4l0-21swapper/523:29:425
111391230,0ptp4l0-21swapper/523:20:275
111391230,0ptp4l0-21swapper/522:45:565
111391230,0ptp4l0-21swapper/522:15:175
111391230,0ptp4l0-21swapper/522:05:145
111391230,0ptp4l0-21swapper/521:46:295
111391230,0ptp4l0-21swapper/520:50:165
111391230,0ptp4l0-21swapper/520:40:165
111391230,0ptp4l0-21swapper/519:20:145
111391230,0ptp4l0-21swapper/519:15:115
111391230,0ptp4l0-21swapper/519:10:155
111391230,0ptp4l0-21swapper/500:25:145
111391230,0ptp4l0-21swapper/423:39:554
111391230,0ptp4l0-21swapper/423:10:484
111391230,0ptp4l0-21swapper/422:35:144
111391230,0ptp4l0-21swapper/422:10:134
111391230,0ptp4l0-21swapper/421:51:084
111391230,0ptp4l0-21swapper/421:45:164
111391230,0ptp4l0-21swapper/421:39:354
111391230,0ptp4l0-21swapper/421:39:354
111391230,0ptp4l0-21swapper/421:30:134
111391230,0ptp4l0-21swapper/420:45:134
111391230,0ptp4l0-21swapper/420:35:114
111391230,0ptp4l0-21swapper/420:30:014
111391230,0ptp4l0-21swapper/420:15:114
111391230,0ptp4l0-21swapper/420:00:144
111391230,0ptp4l0-21swapper/419:25:114
111391230,0ptp4l0-21swapper/400:35:144
111391230,0ptp4l0-21swapper/400:20:134
111391230,0ptp4l0-21swapper/400:00:134
111391230,0ptp4l0-21swapper/322:50:063
111391230,0ptp4l0-21swapper/322:40:123
111391230,0ptp4l0-21swapper/223:05:132
111391230,0ptp4l0-21swapper/219:35:092
111391230,0ptp4l0-21swapper/122:42:131
111391230,0ptp4l0-21swapper/122:22:321
111391230,0ptp4l0-21swapper/122:10:201
111391230,0ptp4l0-21swapper/122:02:021
111391230,0ptp4l0-21swapper/121:21:191
111391230,0ptp4l0-21swapper/121:05:121
111391230,0ptp4l0-21swapper/120:40:111
111391230,0ptp4l0-21swapper/120:25:111
111391230,0ptp4l0-21swapper/120:24:101
111391230,0ptp4l0-21swapper/120:10:121
111391230,0ptp4l0-21swapper/120:05:131
111391230,0ptp4l0-21swapper/119:15:161
111391230,0ptp4l0-21swapper/100:05:111
111391230,0ptp4l0-21swapper/023:30:210
111391230,0ptp4l0-21swapper/023:25:160
111391230,0ptp4l0-21swapper/022:35:140
111391230,0ptp4l0-21swapper/021:50:120
111391230,0ptp4l0-21swapper/021:40:190
111391230,0ptp4l0-21swapper/021:40:190
111391230,0ptp4l0-21swapper/020:00:300
111391230,0ptp4l0-21swapper/019:35:160
111391220,3ptp4l0-21swapper/119:41:551
111391220,0ptp4l21060-21needreboot22:45:150
111391220,0ptp4l0-21swapper/723:24:457
111391220,0ptp4l0-21swapper/721:28:597
111391220,0ptp4l0-21swapper/721:05:157
111391220,0ptp4l0-21swapper/623:38:206
111391220,0ptp4l0-21swapper/623:11:076
111391220,0ptp4l0-21swapper/523:57:035
111391220,0ptp4l0-21swapper/523:53:495
111391220,0ptp4l0-21swapper/523:15:465
111391220,0ptp4l0-21swapper/523:12:395
111391220,0ptp4l0-21swapper/523:02:115
111391220,0ptp4l0-21swapper/522:50:115
111391220,0ptp4l0-21swapper/522:31:015
111391220,0ptp4l0-21swapper/522:27:155
111391220,0ptp4l0-21swapper/522:22:415
111391220,0ptp4l0-21swapper/522:11:365
111391220,0ptp4l0-21swapper/522:04:065
111391220,0ptp4l0-21swapper/521:23:115
111391220,0ptp4l0-21swapper/521:05:545
111391220,0ptp4l0-21swapper/520:55:105
111391220,0ptp4l0-21swapper/520:30:125
111391220,0ptp4l0-21swapper/520:10:205
111391220,0ptp4l0-21swapper/520:05:165
111391220,0ptp4l0-21swapper/519:55:495
111391220,0ptp4l0-21swapper/519:40:005
111391220,0ptp4l0-21swapper/519:25:185
111391220,0ptp4l0-21swapper/500:11:155
111391220,0ptp4l0-21swapper/500:11:145
111391220,0ptp4l0-21swapper/500:05:105
111391220,0ptp4l0-21swapper/422:40:374
111391220,0ptp4l0-21swapper/421:12:374
111391220,0ptp4l0-21swapper/420:20:124
111391220,0ptp4l0-21swapper/419:45:174
111391220,0ptp4l0-21swapper/419:40:164
111391220,0ptp4l0-21swapper/400:05:394
111391220,0ptp4l0-21swapper/323:11:293
111391220,0ptp4l0-21swapper/322:49:433
111391220,0ptp4l0-21swapper/321:55:553
111391220,0ptp4l0-21swapper/223:11:102
111391220,0ptp4l0-21swapper/222:00:132
111391220,0ptp4l0-21swapper/200:39:482
111391220,0ptp4l0-21swapper/123:58:311
111391220,0ptp4l0-21swapper/123:53:471
111391220,0ptp4l0-21swapper/123:49:501
111391220,0ptp4l0-21swapper/123:40:431
111391220,0ptp4l0-21swapper/123:35:151
111391220,0ptp4l0-21swapper/123:26:031
111391220,0ptp4l0-21swapper/122:35:181
111391220,0ptp4l0-21swapper/122:31:461
111391220,0ptp4l0-21swapper/122:05:141
111391220,0ptp4l0-21swapper/121:59:261
111391220,0ptp4l0-21swapper/121:31:461
111391220,0ptp4l0-21swapper/121:26:541
111391220,0ptp4l0-21swapper/121:00:001
111391220,0ptp4l0-21swapper/120:55:121
111391220,0ptp4l0-21swapper/120:50:161
111391220,0ptp4l0-21swapper/119:25:161
111391220,0ptp4l0-21swapper/119:10:121
111391220,0ptp4l0-21swapper/100:39:401
111391220,0ptp4l0-21swapper/100:18:001
111391220,0ptp4l0-21swapper/100:11:101
111391220,0ptp4l0-21swapper/100:11:091
111391220,0ptp4l0-21swapper/023:35:100
111391220,0ptp4l0-21swapper/020:35:200
111391220,0ptp4l0-21swapper/020:30:110
111391220,0ptp4l0-21swapper/020:15:140
111391220,0ptp4l0-21swapper/019:55:150
111391220,0ptp4l0-21swapper/019:45:160
111391220,0ptp4l0-21swapper/019:40:130
111391220,0ptp4l0-21swapper/019:25:140
111391220,0ptp4l0-21swapper/019:13:250
111391220,0ptp4l0-21swapper/000:07:070
109822220,1sleep21068-21runrttasks21:50:322
111391210,2ptp4l0-21swapper/123:20:321
111391210,0ptp4l0-21swapper/721:31:277
111391210,0ptp4l0-21swapper/623:22:276
111391210,0ptp4l0-21swapper/622:52:066
111391210,0ptp4l0-21swapper/622:21:286
111391210,0ptp4l0-21swapper/622:17:146
111391210,0ptp4l0-21swapper/619:18:006
111391210,0ptp4l0-21swapper/600:06:396
111391210,0ptp4l0-21swapper/523:49:515
111391210,0ptp4l0-21swapper/521:26:535
111391210,0ptp4l0-21swapper/500:35:405
111391210,0ptp4l0-21swapper/500:18:125
111391210,0ptp4l0-21swapper/420:55:154
111391210,0ptp4l0-21swapper/420:28:154
111391210,0ptp4l0-21swapper/322:39:473
111391210,0ptp4l0-21swapper/223:22:332
111391210,0ptp4l0-21swapper/222:17:082
111391210,0ptp4l0-21swapper/200:32:012
111391210,0ptp4l0-21swapper/123:15:451
111391210,0ptp4l0-21swapper/122:57:211
111391210,0ptp4l0-21swapper/122:50:431
111391210,0ptp4l0-21swapper/119:55:481
111391210,0ptp4l0-21swapper/119:33:121
111391210,0ptp4l0-21swapper/021:00:130
111391210,0ptp4l0-21swapper/019:30:140
111391200,1ptp4l721ktimersoftd/721:55:537
111391200,0ptp4l0-21swapper/700:09:567
111391200,0ptp4l0-21swapper/600:31:586
111391200,0ptp4l0-21swapper/522:57:595
111391200,0ptp4l0-21swapper/521:03:005
111391200,0ptp4l0-21swapper/519:50:025
111391200,0ptp4l0-21swapper/419:37:144
111391200,0ptp4l0-21swapper/319:57:003
111391200,0ptp4l0-21swapper/300:34:023
111391200,0ptp4l0-21swapper/223:38:212
111391200,0ptp4l0-21swapper/200:06:392
111391200,0ptp4l0-21swapper/120:45:171
111391200,0ptp4l0-21swapper/020:12:420
111391190,2ptp4l101ktimersoftd/021:09:250
111391190,0ptp4l0-21swapper/722:50:037
111391190,0ptp4l0-21swapper/720:14:157
111391190,0ptp4l0-21swapper/620:05:596
111391190,0ptp4l0-21swapper/519:41:145
111391190,0ptp4l0-21swapper/420:54:144
111391190,0ptp4l0-21swapper/420:13:594
111391190,0ptp4l0-21swapper/119:39:491
111391180,2ptp4l321ktimersoftd/220:06:322
111391180,0ptp4l0-21swapper/222:56:042
111391180,0ptp4l0-21swapper/221:32:372
111391170,0ptp4l0-21swapper/523:07:055
111391170,0ptp4l0-21swapper/419:14:554
111391170,0ptp4l0-21swapper/300:09:563
111391160,1ptp4l20785-21chrt20:23:445
111391160,0ptp4l0-21swapper/723:11:307
111391160,0ptp4l0-21swapper/520:39:565
111391160,0ptp4l0-21swapper/420:42:554
111391160,0ptp4l0-21swapper/319:14:393
111391160,0ptp4l0-21swapper/223:33:012
111391160,0ptp4l0-21swapper/222:52:062
111391160,0ptp4l0-21swapper/222:38:182
111391160,0ptp4l0-21swapper/120:38:421
111391160,0ptp4l0-21swapper/120:16:491
111391160,0ptp4l0-21swapper/120:02:381
111391160,0ptp4l0-21swapper/119:50:021
111391160,0ptp4l0-21swapper/019:24:270
1843699150,2cyclictest0-21swapper/319:25:133
111391150,0ptp4l15164-21ssh22:38:186
111391150,0ptp4l0-21swapper/719:57:047
111391150,0ptp4l0-21swapper/719:14:187
111391150,0ptp4l0-21swapper/623:54:506
111391150,0ptp4l0-21swapper/620:52:086
111391150,0ptp4l0-21swapper/620:46:296
111391150,0ptp4l0-21swapper/620:34:566
111391150,0ptp4l0-21swapper/619:42:056
111391150,0ptp4l0-21swapper/619:33:576
111391150,0ptp4l0-21swapper/520:16:515
111391150,0ptp4l0-21swapper/520:02:445
111391150,0ptp4l0-21swapper/519:30:575
111391150,0ptp4l0-21swapper/421:05:094
111391150,0ptp4l0-21swapper/420:06:134
111391150,0ptp4l0-21swapper/419:23:284
111391150,0ptp4l0-21swapper/419:15:044
111391150,0ptp4l0-21swapper/320:14:153
111391150,0ptp4l0-21swapper/220:46:282
111391150,0ptp4l0-21swapper/219:42:042
111391150,0ptp4l0-21swapper/219:32:292
111391150,0ptp4l0-21swapper/219:12:142
111391150,0ptp4l0-21swapper/020:25:070
111391150,0ptp4l0-21swapper/020:07:130
152792140,0sleep70-21swapper/721:15:207
111391140,0ptp4l0-21swapper/619:21:036
111391140,0ptp4l0-21swapper/619:12:136
111391140,0ptp4l0-21swapper/223:54:492
111391140,0ptp4l0-21swapper/221:18:102
111391140,0ptp4l0-21swapper/220:52:082
111391140,0ptp4l0-21swapper/220:34:532
111391140,0ptp4l0-21swapper/219:17:552
1846499119,1cyclictest0-21swapper/723:50:107
1842999110,10cyclictest0-21swapper/221:46:582
1846499109,0cyclictest0-21swapper/722:08:017
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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