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2026-03-26 - 14:29

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 Mar 26, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391760,25ptp4l0-21swapper/319:05:173
253372650,1sleep557-21ksoftirqd/522:09:555
111391600,6ptp4l0-21swapper/419:09:384
2328525736,6sleep70-21swapper/719:08:487
2320125736,6sleep50-21swapper/519:07:415
1881915736,6phc2sys0-21swapper/619:06:226
151602570,0sleep00-21swapper/022:40:170
2305225242,6sleep20-21swapper/219:05:462
111391520,5ptp4l0-21swapper/019:09:390
2334325138,8sleep10-21swapper/119:09:301
53312460,1sleep233-21ksoftirqd/223:56:302
111391340,0ptp4l0-21swapper/022:08:070
111391320,0ptp4l0-21swapper/422:08:044
111391320,0ptp4l0-21swapper/419:55:184
111391320,0ptp4l0-21swapper/021:00:170
111391310,0ptp4l0-21swapper/122:35:121
111391310,0ptp4l0-21swapper/019:45:130
111391310,0ptp4l0-21swapper/000:20:160
111391300,3ptp4l0-21swapper/423:50:144
111391300,0ptp4l0-21swapper/522:30:175
111391300,0ptp4l0-21swapper/422:56:264
111391300,0ptp4l0-21swapper/421:45:174
111391300,0ptp4l0-21swapper/122:30:131
111391300,0ptp4l0-21swapper/122:20:141
111391290,7ptp4l0-21swapper/023:06:020
111391290,2ptp4l0-21swapper/021:24:500
111391290,0ptp4l0-21swapper/422:46:414
111391290,0ptp4l0-21swapper/421:53:074
111391290,0ptp4l0-21swapper/400:26:414
111391290,0ptp4l0-21swapper/123:45:181
111391290,0ptp4l0-21swapper/119:58:241
111391290,0ptp4l0-21swapper/022:20:140
111391280,0ptp4l14420-21diskmemload23:43:293
111391280,0ptp4l0-21swapper/522:02:415
111391280,0ptp4l0-21swapper/519:20:195
111391280,0ptp4l0-21swapper/422:50:124
111391280,0ptp4l0-21swapper/123:54:441
111391280,0ptp4l0-21swapper/123:31:051
111391280,0ptp4l0-21swapper/123:12:041
111391280,0ptp4l0-21swapper/122:18:171
111391280,0ptp4l0-21swapper/122:18:171
111391280,0ptp4l0-21swapper/121:21:411
111391280,0ptp4l0-21swapper/023:39:310
111391280,0ptp4l0-21swapper/023:04:240
111391280,0ptp4l0-21swapper/022:50:550
111391280,0ptp4l0-21swapper/022:45:070
111391280,0ptp4l0-21swapper/021:44:230
111391280,0ptp4l0-21swapper/000:37:530
111391270,4ptp4l0-21swapper/422:17:224
111391270,4ptp4l0-21swapper/422:17:224
111391270,0ptp4l0-21swapper/523:03:445
111391270,0ptp4l0-21swapper/519:35:195
111391270,0ptp4l0-21swapper/519:35:195
111391270,0ptp4l0-21swapper/500:08:115
111391270,0ptp4l0-21swapper/423:46:174
111391270,0ptp4l0-21swapper/423:06:534
111391270,0ptp4l0-21swapper/421:14:214
111391270,0ptp4l0-21swapper/400:15:004
111391270,0ptp4l0-21swapper/123:00:341
111391270,0ptp4l0-21swapper/121:53:231
111391270,0ptp4l0-21swapper/119:25:011
111391270,0ptp4l0-21swapper/021:36:410
111391260,1ptp4l2368399cyclictest22:26:074
111391260,0ptp4l0-21swapper/523:47:175
111391260,0ptp4l0-21swapper/522:48:485
111391260,0ptp4l0-21swapper/423:32:374
111391260,0ptp4l0-21swapper/421:58:164
111391260,0ptp4l0-21swapper/420:38:334
111391260,0ptp4l0-21swapper/122:10:121
111391260,0ptp4l0-21swapper/100:17:481
111391260,0ptp4l0-21swapper/100:03:171
111391260,0ptp4l0-21swapper/023:51:360
111391260,0ptp4l0-21swapper/023:22:060
111391260,0ptp4l0-21swapper/021:57:520
111391260,0ptp4l0-21swapper/021:25:210
111391260,0ptp4l0-21swapper/019:40:120
111391250,3ptp4l0-21swapper/123:15:551
111391250,0ptp4l0-21swapper/623:18:106
111391250,0ptp4l0-21swapper/623:09:596
111391250,0ptp4l0-21swapper/621:10:126
111391250,0ptp4l0-21swapper/522:36:075
111391250,0ptp4l0-21swapper/522:15:335
111391250,0ptp4l0-21swapper/522:15:325
111391250,0ptp4l0-21swapper/522:14:575
111391250,0ptp4l0-21swapper/521:16:195
111391250,0ptp4l0-21swapper/520:30:015
111391250,0ptp4l0-21swapper/422:13:504
111391250,0ptp4l0-21swapper/421:34:054
111391250,0ptp4l0-21swapper/421:28:194
111391250,0ptp4l0-21swapper/400:37:144
111391250,0ptp4l0-21swapper/122:52:441
111391250,0ptp4l0-21swapper/122:45:421
111391250,0ptp4l0-21swapper/121:46:441
111391250,0ptp4l0-21swapper/119:20:131
111391250,0ptp4l0-21swapper/100:07:051
111391250,0ptp4l0-21swapper/020:25:200
111391250,0ptp4l0-21swapper/000:14:350
111391240,1ptp4l3194-21latency_hist19:35:005
111391240,1ptp4l2594-21timerwakeupswit19:30:192
111391240,1ptp4l14420-21diskmemload21:50:170
111391240,1ptp4l11111-21strings21:00:154
111391240,0ptp4l0-21swapper/423:25:164
111391240,0ptp4l0-21swapper/423:14:574
111391240,0ptp4l0-21swapper/422:41:004
111391240,0ptp4l0-21swapper/422:24:594
111391240,0ptp4l0-21swapper/421:10:014
111391240,0ptp4l0-21swapper/420:25:194
111391240,0ptp4l0-21swapper/400:14:254
111391240,0ptp4l0-21swapper/122:07:221
111391240,0ptp4l0-21swapper/121:28:431
111391240,0ptp4l0-21swapper/121:15:091
111391240,0ptp4l0-21swapper/121:10:241
111391240,0ptp4l0-21swapper/120:45:091
111391240,0ptp4l0-21swapper/023:45:520
111391240,0ptp4l0-21swapper/022:35:000
111391240,0ptp4l0-21swapper/021:10:450
111391240,0ptp4l0-21swapper/000:10:000
111391230,2ptp4l0-21swapper/123:58:421
111391230,1ptp4l7417-21if_err_enp0s2500:00:120
111391230,1ptp4l515-21systemd-journal19:46:241
111391230,1ptp4l2370-21uptime21:35:204
111391230,1ptp4l18792-21ls23:30:150
111391230,0ptp4l22981-21kernelversion21:20:144
111391230,0ptp4l14420-21diskmemload00:30:150
111391230,0ptp4l0-21swapper/623:21:486
111391230,0ptp4l0-21swapper/622:25:176
111391230,0ptp4l0-21swapper/523:05:185
111391230,0ptp4l0-21swapper/522:20:165
111391230,0ptp4l0-21swapper/521:58:515
111391230,0ptp4l0-21swapper/521:52:595
111391230,0ptp4l0-21swapper/521:36:465
111391230,0ptp4l0-21swapper/520:03:535
111391230,0ptp4l0-21swapper/519:15:175
111391230,0ptp4l0-21swapper/423:55:324
111391230,0ptp4l0-21swapper/423:40:134
111391230,0ptp4l0-21swapper/422:34:294
111391230,0ptp4l0-21swapper/420:54:414
111391230,0ptp4l0-21swapper/420:40:184
111391230,0ptp4l0-21swapper/420:15:164
111391230,0ptp4l0-21swapper/420:10:214
111391230,0ptp4l0-21swapper/420:05:154
111391230,0ptp4l0-21swapper/419:45:184
111391230,0ptp4l0-21swapper/419:30:134
111391230,0ptp4l0-21swapper/400:30:134
111391230,0ptp4l0-21swapper/400:21:494
111391230,0ptp4l0-21swapper/400:05:174
111391230,0ptp4l0-21swapper/122:00:161
111391230,0ptp4l0-21swapper/121:05:121
111391230,0ptp4l0-21swapper/120:30:121
111391230,0ptp4l0-21swapper/120:29:491
111391230,0ptp4l0-21swapper/120:20:171
111391230,0ptp4l0-21swapper/119:15:011
111391230,0ptp4l0-21swapper/023:55:150
111391230,0ptp4l0-21swapper/023:40:410
111391230,0ptp4l0-21swapper/023:25:120
111391230,0ptp4l0-21swapper/022:55:110
111391230,0ptp4l0-21swapper/022:00:230
111391230,0ptp4l0-21swapper/021:30:150
111391230,0ptp4l0-21swapper/020:35:190
111391230,0ptp4l0-21swapper/020:20:010
111391230,0ptp4l0-21swapper/019:10:190
111391220,4ptp4l0-21swapper/423:39:314
111391220,2ptp4l0-21swapper/522:54:125
111391220,0ptp4l18959-21/usr/sbin/munin22:00:134
111391220,0ptp4l0-21swapper/723:42:587
111391220,0ptp4l0-21swapper/623:10:186
111391220,0ptp4l0-21swapper/621:55:156
111391220,0ptp4l0-21swapper/620:05:196
111391220,0ptp4l0-21swapper/619:57:546
111391220,0ptp4l0-21swapper/523:55:085
111391220,0ptp4l0-21swapper/523:35:315
111391220,0ptp4l0-21swapper/523:20:175
111391220,0ptp4l0-21swapper/523:12:335
111391220,0ptp4l0-21swapper/521:43:425
111391220,0ptp4l0-21swapper/521:25:235
111391220,0ptp4l0-21swapper/521:20:105
111391220,0ptp4l0-21swapper/521:10:325
111391220,0ptp4l0-21swapper/521:05:175
111391220,0ptp4l0-21swapper/520:45:105
111391220,0ptp4l0-21swapper/520:35:135
111391220,0ptp4l0-21swapper/520:20:185
111391220,0ptp4l0-21swapper/520:15:195
111391220,0ptp4l0-21swapper/519:52:585
111391220,0ptp4l0-21swapper/519:46:415
111391220,0ptp4l0-21swapper/519:25:125
111391220,0ptp4l0-21swapper/500:30:215
111391220,0ptp4l0-21swapper/423:20:114
111391220,0ptp4l0-21swapper/423:15:164
111391220,0ptp4l0-21swapper/423:00:134
111391220,0ptp4l0-21swapper/422:35:174
111391220,0ptp4l0-21swapper/421:40:144
111391220,0ptp4l0-21swapper/421:18:464
111391220,0ptp4l0-21swapper/420:55:124
111391220,0ptp4l0-21swapper/420:00:124
111391220,0ptp4l0-21swapper/419:50:184
111391220,0ptp4l0-21swapper/419:40:154
111391220,0ptp4l0-21swapper/419:15:004
111391220,0ptp4l0-21swapper/419:10:124
111391220,0ptp4l0-21swapper/400:00:194
111391220,0ptp4l0-21swapper/323:20:483
111391220,0ptp4l0-21swapper/223:10:172
111391220,0ptp4l0-21swapper/222:50:102
111391220,0ptp4l0-21swapper/222:41:062
111391220,0ptp4l0-21swapper/222:25:152
111391220,0ptp4l0-21swapper/221:55:162
111391220,0ptp4l0-21swapper/221:10:122
111391220,0ptp4l0-21swapper/220:05:222
111391220,0ptp4l0-21swapper/200:32:282
111391220,0ptp4l0-21swapper/123:25:221
111391220,0ptp4l0-21swapper/122:59:191
111391220,0ptp4l0-21swapper/122:25:351
111391220,0ptp4l0-21swapper/121:40:081
111391220,0ptp4l0-21swapper/120:35:241
111391220,0ptp4l0-21swapper/120:15:181
111391220,0ptp4l0-21swapper/119:35:201
111391220,0ptp4l0-21swapper/119:35:191
111391220,0ptp4l0-21swapper/119:30:111
111391220,0ptp4l0-21swapper/100:36:161
111391220,0ptp4l0-21swapper/100:28:581
111391220,0ptp4l0-21swapper/100:23:221
111391220,0ptp4l0-21swapper/023:15:140
111391220,0ptp4l0-21swapper/023:10:120
111391220,0ptp4l0-21swapper/022:35:580
111391220,0ptp4l0-21swapper/022:25:250
111391220,0ptp4l0-21swapper/022:16:580
111391220,0ptp4l0-21swapper/022:16:580
111391220,0ptp4l0-21swapper/022:10:180
111391220,0ptp4l0-21swapper/021:45:000
111391220,0ptp4l0-21swapper/020:55:190
111391220,0ptp4l0-21swapper/020:50:110
111391220,0ptp4l0-21swapper/020:40:140
111391220,0ptp4l0-21swapper/020:20:340
111391220,0ptp4l0-21swapper/020:10:180
111391220,0ptp4l0-21swapper/020:00:190
111391220,0ptp4l0-21swapper/019:59:550
111391220,0ptp4l0-21swapper/019:50:140
111391220,0ptp4l0-21swapper/019:30:170
111391220,0ptp4l0-21swapper/019:25:180
111391220,0ptp4l0-21swapper/000:25:160
111391210,2ptp4l0-21swapper/623:45:016
111391210,0ptp4l0-21swapper/723:48:017
111391210,0ptp4l0-21swapper/722:56:447
111391210,0ptp4l0-21swapper/623:35:156
111391210,0ptp4l0-21swapper/623:31:416
111391210,0ptp4l0-21swapper/622:32:226
111391210,0ptp4l0-21swapper/621:46:006
111391210,0ptp4l0-21swapper/621:37:416
111391210,0ptp4l0-21swapper/523:54:345
111391210,0ptp4l0-21swapper/523:40:575
111391210,0ptp4l0-21swapper/523:16:365
111391210,0ptp4l0-21swapper/522:59:265
111391210,0ptp4l0-21swapper/522:44:185
111391210,0ptp4l0-21swapper/522:27:185
111391210,0ptp4l0-21swapper/521:00:125
111391210,0ptp4l0-21swapper/520:30:125
111391210,0ptp4l0-21swapper/519:55:015
111391210,0ptp4l0-21swapper/519:44:255
111391210,0ptp4l0-21swapper/500:38:535
111391210,0ptp4l0-21swapper/500:28:455
111391210,0ptp4l0-21swapper/500:19:085
111391210,0ptp4l0-21swapper/500:03:165
111391210,0ptp4l0-21swapper/420:46:244
111391210,0ptp4l0-21swapper/420:30:164
111391210,0ptp4l0-21swapper/420:20:114
111391210,0ptp4l0-21swapper/419:36:244
111391210,0ptp4l0-21swapper/419:36:244
111391210,0ptp4l0-21swapper/419:27:054
111391210,0ptp4l0-21swapper/323:47:503
111391210,0ptp4l0-21swapper/223:35:162
111391210,0ptp4l0-21swapper/223:34:082
111391210,0ptp4l0-21swapper/223:22:242
111391210,0ptp4l0-21swapper/223:18:222
111391210,0ptp4l0-21swapper/223:08:202
111391210,0ptp4l0-21swapper/222:59:382
111391210,0ptp4l0-21swapper/222:33:312
111391210,0ptp4l0-21swapper/221:45:022
111391210,0ptp4l0-21swapper/221:39:502
111391210,0ptp4l0-21swapper/221:32:132
111391210,0ptp4l0-21swapper/200:27:412
111391210,0ptp4l0-21swapper/123:40:461
111391210,0ptp4l0-21swapper/123:36:541
111391210,0ptp4l0-21swapper/123:20:171
111391210,0ptp4l0-21swapper/123:05:111
111391210,0ptp4l0-21swapper/121:55:511
111391210,0ptp4l0-21swapper/121:35:141
111391210,0ptp4l0-21swapper/121:00:111
111391210,0ptp4l0-21swapper/120:55:471
111391210,0ptp4l0-21swapper/120:10:011
111391210,0ptp4l0-21swapper/120:02:281
111391210,0ptp4l0-21swapper/119:42:271
111391210,0ptp4l0-21swapper/100:12:241
111391210,0ptp4l0-21swapper/021:17:020
111391210,0ptp4l0-21swapper/020:45:120
111391210,0ptp4l0-21swapper/020:30:180
111391210,0ptp4l0-21swapper/020:05:170
111391210,0ptp4l0-21swapper/019:23:290
111391210,0ptp4l0-21swapper/019:18:480
111391210,0ptp4l0-21swapper/000:15:180
111391200,0ptp4l0-21swapper/723:20:437
111391200,0ptp4l0-21swapper/721:56:437
111391200,0ptp4l0-21swapper/623:01:156
111391200,0ptp4l0-21swapper/622:40:426
111391200,0ptp4l0-21swapper/620:59:576
111391200,0ptp4l0-21swapper/600:31:486
111391200,0ptp4l0-21swapper/600:27:556
111391200,0ptp4l0-21swapper/523:30:385
111391200,0ptp4l0-21swapper/523:25:235
111391200,0ptp4l0-21swapper/521:34:125
111391200,0ptp4l0-21swapper/520:11:345
111391200,0ptp4l0-21swapper/500:20:105
111391200,0ptp4l0-21swapper/500:11:105
111391200,0ptp4l0-21swapper/419:23:454
111391200,0ptp4l0-21swapper/322:57:363
111391200,0ptp4l0-21swapper/222:39:122
111391200,0ptp4l0-21swapper/222:07:412
111391200,0ptp4l0-21swapper/219:54:072
111391200,0ptp4l0-21swapper/122:42:581
111391200,0ptp4l0-21swapper/100:30:421
111391200,0ptp4l0-21swapper/021:06:240
111391200,0ptp4l0-21swapper/019:38:550
111391200,0ptp4l0-21swapper/019:38:550
111391190,0ptp4l0-21swapper/623:50:346
111391190,0ptp4l0-21swapper/622:58:336
111391190,0ptp4l0-21swapper/622:39:126
111391190,0ptp4l0-21swapper/621:32:146
111391190,0ptp4l0-21swapper/600:21:546
111391190,0ptp4l0-21swapper/521:46:475
111391190,0ptp4l0-21swapper/319:56:083
111391190,0ptp4l0-21swapper/223:01:192
111391190,0ptp4l0-21swapper/221:25:342
111391190,0ptp4l0-21swapper/220:24:072
111391190,0ptp4l0-21swapper/220:12:092
111391190,0ptp4l0-21swapper/220:01:262
111391190,0ptp4l0-21swapper/120:08:271
111391180,0ptp4l0-21swapper/719:56:457
111391180,0ptp4l0-21swapper/622:50:106
111391180,0ptp4l0-21swapper/621:25:286
111391180,0ptp4l0-21swapper/620:23:306
111391180,0ptp4l0-21swapper/600:15:186
111391180,0ptp4l0-21swapper/519:13:315
111391180,0ptp4l0-21swapper/223:45:022
111391180,0ptp4l0-21swapper/219:13:152
111391180,0ptp4l0-21swapper/200:21:552
111391180,0ptp4l0-21swapper/121:34:011
111391170,0ptp4l0-21swapper/623:59:026
111391170,0ptp4l0-21swapper/622:07:386
111391170,0ptp4l0-21swapper/619:30:186
111391170,0ptp4l0-21swapper/600:12:176
111391170,0ptp4l0-21swapper/223:50:342
111391170,0ptp4l0-21swapper/222:20:272
111391170,0ptp4l0-21swapper/219:59:142
111391170,0ptp4l0-21swapper/200:16:172
111391160,0ptp4l0-21swapper/621:05:496
111391160,0ptp4l0-21swapper/619:17:576
111391160,0ptp4l0-21swapper/321:56:413
111391160,0ptp4l0-21swapper/219:16:042
111391160,0ptp4l0-21swapper/120:52:141
111391160,0ptp4l0-21swapper/119:53:271
111391150,0ptp4l0-21swapper/620:51:226
111391150,0ptp4l0-21swapper/620:46:066
111391150,0ptp4l0-21swapper/620:42:266
111391150,0ptp4l0-21swapper/620:36:156
111391150,0ptp4l0-21swapper/620:31:016
111391150,0ptp4l0-21swapper/620:27:536
111391150,0ptp4l0-21swapper/620:17:116
111391150,0ptp4l0-21swapper/620:11:566
111391150,0ptp4l0-21swapper/620:02:126
111391150,0ptp4l0-21swapper/619:50:426
111391150,0ptp4l0-21swapper/619:40:576
111391150,0ptp4l0-21swapper/619:13:126
111391150,0ptp4l0-21swapper/520:58:355
111391150,0ptp4l0-21swapper/520:43:265
111391150,0ptp4l0-21swapper/520:05:045
111391150,0ptp4l0-21swapper/221:07:442
111391150,0ptp4l0-21swapper/221:02:082
111391150,0ptp4l0-21swapper/220:46:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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