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2026-07-02 - 14:24

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 02, 2026 00:46:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302282700,1sleep41068-21runrttasks22:05:164
111391640,31ptp4l0-21swapper/019:06:060
111391640,31ptp4l0-21swapper/019:06:060
111391640,2ptp4l0-21swapper/519:06:295
111391640,2ptp4l0-21swapper/519:06:285
111391620,5ptp4l0-21swapper/419:05:314
111391620,5ptp4l0-21swapper/419:05:314
36052610,1sleep449-21ksoftirqd/400:30:004
36052610,1sleep449-21ksoftirqd/400:30:004
111391600,29ptp4l0-21swapper/119:06:081
111391600,29ptp4l0-21swapper/119:06:081
111391570,5ptp4l0-21swapper/619:05:586
111391570,5ptp4l0-21swapper/619:05:576
111391550,5ptp4l0-21swapper/219:06:022
111391550,5ptp4l0-21swapper/219:06:022
2752825343,6sleep70-21swapper/719:05:067
2752825343,6sleep70-21swapper/719:05:067
2920024736,7sleep30-21swapper/319:06:553
2920024736,7sleep30-21swapper/319:06:543
111391340,0ptp4l0-21swapper/423:39:554
111391340,0ptp4l0-21swapper/422:40:134
111391340,0ptp4l0-21swapper/421:20:174
111391340,0ptp4l0-21swapper/420:05:184
111391340,0ptp4l0-21swapper/400:30:224
111391340,0ptp4l0-21swapper/400:30:224
111391340,0ptp4l0-21swapper/023:20:160
111391330,0ptp4l0-21swapper/422:31:374
111391330,0ptp4l0-21swapper/000:04:090
111391320,0ptp4l20468-21diskmemload00:17:454
111391320,0ptp4l0-21swapper/421:39:454
111391320,0ptp4l0-21swapper/420:25:204
111391320,0ptp4l0-21swapper/122:19:181
111391320,0ptp4l0-21swapper/121:00:151
111391320,0ptp4l0-21swapper/100:05:581
111391320,0ptp4l0-21swapper/023:17:000
111391320,0ptp4l0-21swapper/022:17:120
111391310,3ptp4l0-21swapper/023:59:270
111391310,0ptp4l0-21swapper/500:15:005
111391310,0ptp4l0-21swapper/423:49:034
111391310,0ptp4l0-21swapper/400:36:374
111391310,0ptp4l0-21swapper/122:28:151
111391310,0ptp4l0-21swapper/000:25:210
111391310,0ptp4l0-21swapper/000:25:210
111391300,0ptp4l0-21swapper/423:41:024
111391300,0ptp4l0-21swapper/423:31:364
111391300,0ptp4l0-21swapper/423:15:344
111391300,0ptp4l0-21swapper/422:23:134
111391300,0ptp4l0-21swapper/421:32:424
111391300,0ptp4l0-21swapper/022:41:230
111391300,0ptp4l0-21swapper/022:13:470
111391300,0ptp4l0-21swapper/021:34:360
111391300,0ptp4l0-21swapper/021:28:150
111391300,0ptp4l0-21swapper/000:37:100
111391290,7ptp4l0-21swapper/023:52:510
111391290,0ptp4l0-21swapper/423:27:084
111391290,0ptp4l0-21swapper/422:26:134
111391290,0ptp4l0-21swapper/421:40:104
111391290,0ptp4l0-21swapper/420:10:224
111391290,0ptp4l0-21swapper/100:31:031
111391290,0ptp4l0-21swapper/100:31:031
111391290,0ptp4l0-21swapper/023:30:560
111391290,0ptp4l0-21swapper/023:00:350
111391290,0ptp4l0-21swapper/022:32:560
111391290,0ptp4l0-21swapper/022:05:070
111391290,0ptp4l0-21swapper/021:59:520
111391290,0ptp4l0-21swapper/021:16:550
111391280,3ptp4l0-21swapper/019:30:420
111391280,0ptp4l0-21swapper/423:57:374
111391280,0ptp4l0-21swapper/422:17:254
111391280,0ptp4l0-21swapper/122:00:181
111391280,0ptp4l0-21swapper/121:59:331
111391280,0ptp4l0-21swapper/100:16:251
111391280,0ptp4l0-21swapper/023:44:220
111391280,0ptp4l0-21swapper/022:45:590
111391280,0ptp4l0-21swapper/021:11:490
111391270,0ptp4l0-21swapper/520:15:135
111391270,0ptp4l0-21swapper/422:50:234
111391270,0ptp4l0-21swapper/422:46:564
111391270,0ptp4l0-21swapper/421:50:004
111391270,0ptp4l0-21swapper/400:08:424
111391270,0ptp4l0-21swapper/323:54:393
111391270,0ptp4l0-21swapper/221:22:072
111391270,0ptp4l0-21swapper/122:31:501
111391270,0ptp4l0-21swapper/100:21:311
111391270,0ptp4l0-21swapper/022:20:040
111391270,0ptp4l0-21swapper/021:45:230
111391270,0ptp4l0-21swapper/021:41:130
111391270,0ptp4l0-21swapper/021:36:370
111391270,0ptp4l0-21swapper/000:18:280
111391270,0ptp4l0-21swapper/000:13:310
111391270,0ptp4l0-21swapper/000:07:320
111391260,1ptp4l11587-21grep23:55:007
111391260,0ptp4l0-21swapper/422:59:284
111391260,0ptp4l0-21swapper/421:56:224
111391260,0ptp4l0-21swapper/419:29:434
111391260,0ptp4l0-21swapper/400:20:124
111391260,0ptp4l0-21swapper/400:03:464
111391260,0ptp4l0-21swapper/123:26:021
111391260,0ptp4l0-21swapper/121:36:021
111391260,0ptp4l0-21swapper/023:09:000
111391260,0ptp4l0-21swapper/019:21:510
111391260,0ptp4l0-21swapper/000:32:510
111391260,0ptp4l0-21swapper/000:32:500
111391250,2ptp4l11782-21cut22:25:120
111391250,1ptp4l9-21ksoftirqd/020:05:190
111391250,1ptp4l22277-21switchtime20:00:200
111391250,0ptp4l0-21swapper/421:26:254
111391250,0ptp4l0-21swapper/421:18:594
111391250,0ptp4l0-21swapper/419:40:154
111391250,0ptp4l0-21swapper/419:21:574
111391250,0ptp4l0-21swapper/123:55:151
111391250,0ptp4l0-21swapper/121:50:451
111391250,0ptp4l0-21swapper/121:50:451
111391250,0ptp4l0-21swapper/120:49:191
111391250,0ptp4l0-21swapper/019:16:250
29725992420,3cyclictest0-21swapper/421:04:594
111391240,3ptp4l10878-1kworker/u17:222:29:126
111391240,3ptp4l0-21swapper/420:39:534
111391240,2ptp4l0-21swapper/119:44:441
111391240,1ptp4l3540-21ps20:30:172
111391240,0ptp4l0-21swapper/523:09:245
111391240,0ptp4l0-21swapper/522:10:155
111391240,0ptp4l0-21swapper/519:15:125
111391240,0ptp4l0-21swapper/500:00:105
111391240,0ptp4l0-21swapper/423:50:124
111391240,0ptp4l0-21swapper/423:20:174
111391240,0ptp4l0-21swapper/422:01:264
111391240,0ptp4l0-21swapper/421:05:274
111391240,0ptp4l0-21swapper/420:30:454
111391240,0ptp4l0-21swapper/420:18:544
111391240,0ptp4l0-21swapper/419:57:574
111391240,0ptp4l0-21swapper/419:30:114
111391240,0ptp4l0-21swapper/419:18:374
111391240,0ptp4l0-21swapper/122:54:591
111391240,0ptp4l0-21swapper/122:36:231
111391240,0ptp4l0-21swapper/122:20:151
111391240,0ptp4l0-21swapper/122:05:211
111391240,0ptp4l0-21swapper/120:35:111
111391240,0ptp4l0-21swapper/100:40:011
111391240,0ptp4l0-21swapper/100:00:251
111391240,0ptp4l0-21swapper/023:29:120
111391240,0ptp4l0-21swapper/023:13:060
111391240,0ptp4l0-21swapper/021:25:000
111391240,0ptp4l0-21swapper/021:09:210
111391240,0ptp4l0-21swapper/020:52:250
111391240,0ptp4l0-21swapper/020:45:160
111391240,0ptp4l0-21swapper/020:36:500
111391240,0ptp4l0-21swapper/020:20:120
111391240,0ptp4l0-21swapper/020:18:200
111391240,0ptp4l0-21swapper/000:24:440
111391230,1ptp4l19606-21/usr/sbin/munin22:35:160
111391230,1ptp4l12835-21netstat19:40:160
111391230,1ptp4l10416-21sort19:35:174
111391230,0ptp4l23044-21if_err_enp1s000:10:161
111391230,0ptp4l10278-21strings20:45:174
111391230,0ptp4l0-21swapper/620:30:156
111391230,0ptp4l0-21swapper/523:33:045
111391230,0ptp4l0-21swapper/523:10:165
111391230,0ptp4l0-21swapper/522:50:135
111391230,0ptp4l0-21swapper/522:32:385
111391230,0ptp4l0-21swapper/522:15:185
111391230,0ptp4l0-21swapper/522:00:135
111391230,0ptp4l0-21swapper/521:40:185
111391230,0ptp4l0-21swapper/521:20:435
111391230,0ptp4l0-21swapper/521:10:325
111391230,0ptp4l0-21swapper/521:05:105
111391230,0ptp4l0-21swapper/521:00:165
111391230,0ptp4l0-21swapper/520:50:135
111391230,0ptp4l0-21swapper/520:25:125
111391230,0ptp4l0-21swapper/500:31:045
111391230,0ptp4l0-21swapper/500:31:045
111391230,0ptp4l0-21swapper/500:21:415
111391230,0ptp4l0-21swapper/423:00:204
111391230,0ptp4l0-21swapper/422:35:124
111391230,0ptp4l0-21swapper/421:50:164
111391230,0ptp4l0-21swapper/421:50:164
111391230,0ptp4l0-21swapper/420:40:134
111391230,0ptp4l0-21swapper/420:20:104
111391230,0ptp4l0-21swapper/419:50:074
111391230,0ptp4l0-21swapper/419:10:124
111391230,0ptp4l0-21swapper/419:10:124
111391230,0ptp4l0-21swapper/400:10:484
111391230,0ptp4l0-21swapper/123:15:461
111391230,0ptp4l0-21swapper/123:05:191
111391230,0ptp4l0-21swapper/123:01:291
111391230,0ptp4l0-21swapper/121:40:201
111391230,0ptp4l0-21swapper/120:59:021
111391230,0ptp4l0-21swapper/120:30:111
111391230,0ptp4l0-21swapper/119:56:071
111391230,0ptp4l0-21swapper/119:36:591
111391230,0ptp4l0-21swapper/119:15:121
111391230,0ptp4l0-21swapper/119:14:461
111391230,0ptp4l0-21swapper/119:14:461
111391230,0ptp4l0-21swapper/023:45:110
111391230,0ptp4l0-21swapper/022:56:330
111391230,0ptp4l0-21swapper/022:53:490
111391230,0ptp4l0-21swapper/022:04:350
111391230,0ptp4l0-21swapper/020:34:440
111391230,0ptp4l0-21swapper/020:28:260
111391230,0ptp4l0-21swapper/019:52:300
111391230,0ptp4l0-21swapper/019:46:030
111391230,0ptp4l0-21swapper/019:35:130
111391230,0ptp4l0-21swapper/019:25:160
111391230,0ptp4l0-21swapper/019:10:190
111391230,0ptp4l0-21swapper/019:10:180
111391220,3ptp4l401ktimersoftd/319:24:383
111391220,1ptp4l16374-21ssh21:46:121
111391220,0ptp4l0-21swapper/723:55:117
111391220,0ptp4l0-21swapper/719:25:057
111391220,0ptp4l0-21swapper/523:55:185
111391220,0ptp4l0-21swapper/523:22:055
111391220,0ptp4l0-21swapper/523:16:275
111391220,0ptp4l0-21swapper/523:00:565
111391220,0ptp4l0-21swapper/522:55:015
111391220,0ptp4l0-21swapper/522:42:475
111391220,0ptp4l0-21swapper/522:25:205
111391220,0ptp4l0-21swapper/522:20:165
111391220,0ptp4l0-21swapper/522:05:165
111391220,0ptp4l0-21swapper/521:45:135
111391220,0ptp4l0-21swapper/521:17:445
111391220,0ptp4l0-21swapper/520:35:155
111391220,0ptp4l0-21swapper/520:30:135
111391220,0ptp4l0-21swapper/519:55:145
111391220,0ptp4l0-21swapper/500:35:385
111391220,0ptp4l0-21swapper/500:15:165
111391220,0ptp4l0-21swapper/423:12:434
111391220,0ptp4l0-21swapper/423:05:554
111391220,0ptp4l0-21swapper/422:10:124
111391220,0ptp4l0-21swapper/421:10:154
111391220,0ptp4l0-21swapper/420:00:204
111391220,0ptp4l0-21swapper/419:45:124
111391220,0ptp4l0-21swapper/123:35:201
111391220,0ptp4l0-21swapper/123:12:451
111391220,0ptp4l0-21swapper/122:10:171
111391220,0ptp4l0-21swapper/121:20:441
111391220,0ptp4l0-21swapper/121:10:381
111391220,0ptp4l0-21swapper/121:05:111
111391220,0ptp4l0-21swapper/120:53:071
111391220,0ptp4l0-21swapper/120:40:211
111391220,0ptp4l0-21swapper/120:15:161
111391220,0ptp4l0-21swapper/120:10:121
111391220,0ptp4l0-21swapper/119:33:531
111391220,0ptp4l0-21swapper/119:25:201
111391220,0ptp4l0-21swapper/023:35:160
111391220,0ptp4l0-21swapper/021:50:150
111391220,0ptp4l0-21swapper/021:50:150
111391220,0ptp4l0-21swapper/021:00:170
111391220,0ptp4l0-21swapper/020:55:140
111391220,0ptp4l0-21swapper/020:40:150
111391220,0ptp4l0-21swapper/020:10:150
111391210,0ptp4l0-21swapper/719:24:487
111391210,0ptp4l0-21swapper/622:52:216
111391210,0ptp4l0-21swapper/523:46:345
111391210,0ptp4l0-21swapper/523:36:505
111391210,0ptp4l0-21swapper/522:46:345
111391210,0ptp4l0-21swapper/522:35:455
111391210,0ptp4l0-21swapper/521:56:005
111391210,0ptp4l0-21swapper/521:34:275
111391210,0ptp4l0-21swapper/521:26:185
111391210,0ptp4l0-21swapper/519:40:135
111391210,0ptp4l0-21swapper/500:25:445
111391210,0ptp4l0-21swapper/500:25:445
111391210,0ptp4l0-21swapper/500:05:525
111391210,0ptp4l0-21swapper/420:55:014
111391210,0ptp4l0-21swapper/223:45:362
111391210,0ptp4l0-21swapper/223:41:292
111391210,0ptp4l0-21swapper/223:31:042
111391210,0ptp4l0-21swapper/221:43:042
111391210,0ptp4l0-21swapper/221:19:572
111391210,0ptp4l0-21swapper/123:48:401
111391210,0ptp4l0-21swapper/123:33:041
111391210,0ptp4l0-21swapper/123:22:111
111391210,0ptp4l0-21swapper/121:34:041
111391210,0ptp4l0-21swapper/121:18:141
111391210,0ptp4l0-21swapper/019:55:110
111391200,0ptp4l0-21swapper/621:43:066
111391200,0ptp4l0-21swapper/600:34:406
111391200,0ptp4l0-21swapper/600:34:406
111391200,0ptp4l0-21swapper/523:53:095
111391200,0ptp4l0-21swapper/523:25:195
111391200,0ptp4l0-21swapper/521:35:575
111391200,0ptp4l0-21swapper/520:42:435
111391200,0ptp4l0-21swapper/519:26:415
111391200,0ptp4l0-21swapper/200:32:392
111391200,0ptp4l0-21swapper/200:32:382
111391200,0ptp4l0-21swapper/123:53:191
111391200,0ptp4l0-21swapper/122:58:591
111391200,0ptp4l0-21swapper/120:21:331
111391190,0ptp4l0-21swapper/623:45:326
111391190,0ptp4l0-21swapper/621:19:576
111391190,0ptp4l0-21swapper/520:55:135
111391190,0ptp4l0-21swapper/520:06:435
111391190,0ptp4l0-21swapper/222:52:162
111391190,0ptp4l0-21swapper/222:29:022
111391190,0ptp4l0-21swapper/122:50:001
111391190,0ptp4l0-21swapper/122:42:521
111391190,0ptp4l0-21swapper/121:26:191
111391190,0ptp4l0-21swapper/120:09:561
111391190,0ptp4l0-21swapper/119:52:011
111391190,0ptp4l0-21swapper/100:25:491
111391190,0ptp4l0-21swapper/100:25:481
111391180,0ptp4l0-21swapper/621:22:046
111391180,0ptp4l0-21swapper/520:10:135
111391180,0ptp4l0-21swapper/323:55:093
111391180,0ptp4l0-21swapper/319:25:123
111391180,0ptp4l0-21swapper/123:44:161
111391170,0ptp4l0-21swapper/521:50:445
111391170,0ptp4l0-21swapper/521:50:445
2971899160,1cyclictest0-21swapper/320:05:123
111391160,0ptp4l0-21swapper/623:41:266
111391160,0ptp4l0-21swapper/623:14:366
111391160,0ptp4l0-21swapper/520:47:175
111391160,0ptp4l0-21swapper/519:37:065
111391160,0ptp4l0-21swapper/519:33:185
111391160,0ptp4l0-21swapper/519:23:295
111391160,0ptp4l0-21swapper/420:51:004
111391160,0ptp4l0-21swapper/120:25:041
111391160,0ptp4l0-21swapper/120:00:281
111391160,0ptp4l0-21swapper/119:23:251
111391150,0ptp4l0-21swapper/620:20:026
111391150,0ptp4l0-21swapper/620:18:536
111391150,0ptp4l0-21swapper/620:03:046
111391150,0ptp4l0-21swapper/619:11:596
111391150,0ptp4l0-21swapper/619:11:596
111391150,0ptp4l0-21swapper/520:21:265
111391150,0ptp4l0-21swapper/520:01:105
111391150,0ptp4l0-21swapper/519:50:235
111391150,0ptp4l0-21swapper/519:11:235
111391150,0ptp4l0-21swapper/519:11:235
111391150,0ptp4l0-21swapper/223:14:362
111391150,0ptp4l0-21swapper/221:26:582
111391150,0ptp4l0-21swapper/220:20:022
111391150,0ptp4l0-21swapper/220:18:482
111391150,0ptp4l0-21swapper/220:04:412
111391150,0ptp4l0-21swapper/119:46:341
60962140,0sleep30-21swapper/321:33:113
111391140,0ptp4l0-21swapper/720:53:017
111391140,0ptp4l0-21swapper/623:31:066
111391140,0ptp4l0-21swapper/619:56:156
111391140,0ptp4l0-21swapper/519:46:355
111391140,0ptp4l0-21swapper/320:53:013
111391140,0ptp4l0-21swapper/221:09:552
111391140,0ptp4l0-21swapper/219:56:152
111391140,0ptp4l0-21swapper/219:24:182
111391140,0ptp4l0-21swapper/219:11:582
111391140,0ptp4l0-21swapper/219:11:572
29740991211,0cyclictest641ktimersoftd/600:36:476
2974099120,1cyclictest0-21swapper/623:05:166
2973299122,6cyclictest186291getstats23:42:495
2971899127,1cyclictest7422-21turbostat22:20:003
2974699110,10cyclictest0-21swapper/700:15:587
2974099118,0cyclictest110891getstats19:29:496
2974099116,2cyclictest186291getstats21:57:126
2974099116,2cyclictest186291getstats21:50:376
2974099116,2cyclictest186291getstats21:50:376
2974099116,2cyclictest186291getstats21:32:076
2974099116,2cyclictest110891getstats22:18:536
2974099116,2cyclictest110891getstats22:12:036
2974099116,1cyclictest186291getstats21:48:146
29740991110,0cyclictest0-21swapper/622:02:116
2971299118,1cyclictest25110-21munin-run22:00:002
2974699109,0cyclictest0-21swapper/723:37:187
2974699109,0cyclictest0-21swapper/723:10:077
2974699109,0cyclictest0-21swapper/723:05:437
2974699109,0cyclictest0-21swapper/722:09:557
2974699109,0cyclictest0-21swapper/721:24:217
2974699109,0cyclictest0-21swapper/700:10:567
2974699100,9cyclictest0-21swapper/723:18:557
2974699100,9cyclictest0-21swapper/722:48:267
2974699100,9cyclictest0-21swapper/722:22:397
2974699100,9cyclictest0-21swapper/722:18:257
2974699100,9cyclictest0-21swapper/721:56:157
2974699100,9cyclictest0-21swapper/721:51:427
2974699100,9cyclictest0-21swapper/721:51:427
2974699100,0cyclictest0-21swapper/723:23:287
2974699100,0cyclictest0-21swapper/723:01:287
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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