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2026-08-24 - 11:37

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 Mon Aug 24, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166102620,0sleep10-21swapper/120:00:151
307722600,0sleep00-21swapper/021:30:160
111391600,6ptp4l0-21swapper/019:05:140
111391600,5ptp4l0-21swapper/419:08:374
2431725646,6sleep20-21swapper/219:09:302
2411525433,7sleep10-21swapper/119:06:571
2418525139,7sleep70-21swapper/719:07:517
2417525039,6sleep60-21swapper/619:07:436
2411724836,7sleep30-21swapper/319:07:003
1881914735,7phc2sys0-21swapper/519:05:075
111391360,0ptp4l0-21swapper/021:35:410
111391320,0ptp4l0-21swapper/022:21:120
111391320,0ptp4l0-21swapper/022:09:260
24643993128,0cyclictest0-21swapper/423:17:104
111391310,0ptp4l0-21swapper/521:18:345
111391310,0ptp4l0-21swapper/423:50:144
111391310,0ptp4l0-21swapper/423:14:504
111391310,0ptp4l0-21swapper/422:04:544
111391310,0ptp4l0-21swapper/023:58:550
111391310,0ptp4l0-21swapper/022:36:190
111391310,0ptp4l0-21swapper/021:13:480
111391300,0ptp4l0-21swapper/521:30:135
111391300,0ptp4l0-21swapper/423:38:454
111391300,0ptp4l0-21swapper/423:38:444
111391300,0ptp4l0-21swapper/423:25:124
111391290,2ptp4l0-21swapper/522:01:135
111391290,0ptp4l551rcuc/522:23:175
111391290,0ptp4l0-21swapper/422:59:474
111391290,0ptp4l0-21swapper/422:14:144
111391290,0ptp4l0-21swapper/421:10:484
111391290,0ptp4l0-21swapper/121:36:341
111391290,0ptp4l0-21swapper/023:40:460
111391290,0ptp4l0-21swapper/023:22:090
111391290,0ptp4l0-21swapper/020:40:140
111391280,3ptp4l0-21swapper/523:14:075
111391280,1ptp4l121rcu_preempt21:48:300
111391280,0ptp4l0-21swapper/523:29:375
111391280,0ptp4l0-21swapper/423:20:154
111391280,0ptp4l0-21swapper/421:48:184
111391280,0ptp4l0-21swapper/400:39:344
111391280,0ptp4l0-21swapper/323:24:113
111391280,0ptp4l0-21swapper/300:03:193
111391280,0ptp4l0-21swapper/123:45:061
111391280,0ptp4l0-21swapper/121:45:151
111391280,0ptp4l0-21swapper/022:57:100
111391280,0ptp4l0-21swapper/022:51:020
111391280,0ptp4l0-21swapper/022:25:340
111391280,0ptp4l0-21swapper/022:10:170
111391280,0ptp4l0-21swapper/021:26:380
111391280,0ptp4l0-21swapper/000:35:150
111391280,0ptp4l0-21swapper/000:29:290
111391270,1ptp4l1068-21runrttasks19:10:100
111391270,0ptp4l0-21swapper/523:42:595
111391270,0ptp4l0-21swapper/520:15:215
111391270,0ptp4l0-21swapper/423:09:274
111391270,0ptp4l0-21swapper/423:00:544
111391270,0ptp4l0-21swapper/422:17:034
111391270,0ptp4l0-21swapper/421:59:504
111391270,0ptp4l0-21swapper/421:33:334
111391270,0ptp4l0-21swapper/420:10:194
111391270,0ptp4l0-21swapper/400:13:124
111391270,0ptp4l0-21swapper/223:27:262
111391270,0ptp4l0-21swapper/123:42:031
111391270,0ptp4l0-21swapper/123:14:231
111391270,0ptp4l0-21swapper/122:30:581
111391270,0ptp4l0-21swapper/022:46:440
111391270,0ptp4l0-21swapper/000:03:000
111391260,0ptp4l0-21swapper/523:30:325
111391260,0ptp4l0-21swapper/523:06:445
111391260,0ptp4l0-21swapper/500:12:275
111391260,0ptp4l0-21swapper/400:32:424
111391260,0ptp4l0-21swapper/123:06:421
111391260,0ptp4l0-21swapper/122:35:161
111391260,0ptp4l0-21swapper/122:25:101
111391260,0ptp4l0-21swapper/122:05:191
111391260,0ptp4l0-21swapper/121:21:201
111391260,0ptp4l0-21swapper/023:53:470
111391260,0ptp4l0-21swapper/023:37:190
111391260,0ptp4l0-21swapper/023:37:180
111391260,0ptp4l0-21swapper/023:29:210
111391260,0ptp4l0-21swapper/023:09:510
111391260,0ptp4l0-21swapper/022:17:470
111391260,0ptp4l0-21swapper/021:59:240
111391250,1ptp4l32552-21df19:25:125
111391250,1ptp4l22111-21users20:10:190
111391250,0ptp4l0-21swapper/523:35:205
111391250,0ptp4l0-21swapper/523:35:195
111391250,0ptp4l0-21swapper/523:19:385
111391250,0ptp4l0-21swapper/522:40:165
111391250,0ptp4l0-21swapper/522:10:525
111391250,0ptp4l0-21swapper/521:57:545
111391250,0ptp4l0-21swapper/521:29:025
111391250,0ptp4l0-21swapper/521:20:205
111391250,0ptp4l0-21swapper/500:35:365
111391250,0ptp4l0-21swapper/500:26:415
111391250,0ptp4l0-21swapper/423:49:184
111391250,0ptp4l0-21swapper/422:39:194
111391250,0ptp4l0-21swapper/422:30:394
111391250,0ptp4l0-21swapper/421:35:044
111391250,0ptp4l0-21swapper/421:05:014
111391250,0ptp4l0-21swapper/421:05:004
111391250,0ptp4l0-21swapper/421:00:004
111391250,0ptp4l0-21swapper/421:00:004
111391250,0ptp4l0-21swapper/419:35:194
111391250,0ptp4l0-21swapper/419:20:204
111391250,0ptp4l0-21swapper/121:14:511
111391250,0ptp4l0-21swapper/120:55:121
111391250,0ptp4l0-21swapper/120:55:121
111391250,0ptp4l0-21swapper/120:45:131
111391250,0ptp4l0-21swapper/119:45:191
111391250,0ptp4l0-21swapper/100:20:011
111391250,0ptp4l0-21swapper/023:48:270
111391250,0ptp4l0-21swapper/023:10:160
111391250,0ptp4l0-21swapper/021:43:360
111391250,0ptp4l0-21swapper/000:14:560
24643992416,4cyclictest1659-21ptp4l-jitter22:20:184
111391240,1ptp4l824-21fw_conntrack22:20:126
111391240,1ptp4l7741-21switchtime20:50:214
111391240,1ptp4l30721-21irqrtprio21:30:161
111391240,1ptp4l20971-21munin-run22:49:594
111391240,0ptp4l0-21swapper/522:18:545
111391240,0ptp4l0-21swapper/522:08:355
111391240,0ptp4l0-21swapper/519:40:185
111391240,0ptp4l0-21swapper/423:58:104
111391240,0ptp4l0-21swapper/423:34:154
111391240,0ptp4l0-21swapper/422:51:014
111391240,0ptp4l0-21swapper/422:41:264
111391240,0ptp4l0-21swapper/421:53:174
111391240,0ptp4l0-21swapper/421:20:134
111391240,0ptp4l0-21swapper/420:40:184
111391240,0ptp4l0-21swapper/419:27:294
111391240,0ptp4l0-21swapper/400:22:374
111391240,0ptp4l0-21swapper/400:00:124
111391240,0ptp4l0-21swapper/122:00:171
111391240,0ptp4l0-21swapper/121:50:111
111391240,0ptp4l0-21swapper/120:35:121
111391240,0ptp4l0-21swapper/119:31:151
111391240,0ptp4l0-21swapper/100:22:251
111391240,0ptp4l0-21swapper/022:32:110
111391240,0ptp4l0-21swapper/021:20:170
111391240,0ptp4l0-21swapper/021:05:110
111391240,0ptp4l0-21swapper/020:05:210
111391240,0ptp4l0-21swapper/020:00:120
111391230,1ptp4l16578-21/usr/sbin/munin00:15:205
111391230,0ptp4l19176-21idleruntime00:20:140
111391230,0ptp4l15380-21diskmemload22:05:144
111391230,0ptp4l0-21swapper/623:43:566
111391230,0ptp4l0-21swapper/523:52:235
111391230,0ptp4l0-21swapper/523:45:125
111391230,0ptp4l0-21swapper/523:02:595
111391230,0ptp4l0-21swapper/522:35:125
111391230,0ptp4l0-21swapper/522:30:195
111391230,0ptp4l0-21swapper/521:51:195
111391230,0ptp4l0-21swapper/521:45:165
111391230,0ptp4l0-21swapper/521:14:585
111391230,0ptp4l0-21swapper/521:00:135
111391230,0ptp4l0-21swapper/521:00:135
111391230,0ptp4l0-21swapper/520:50:145
111391230,0ptp4l0-21swapper/520:45:135
111391230,0ptp4l0-21swapper/520:35:135
111391230,0ptp4l0-21swapper/520:30:005
111391230,0ptp4l0-21swapper/520:20:135
111391230,0ptp4l0-21swapper/519:15:015
111391230,0ptp4l0-21swapper/500:31:445
111391230,0ptp4l0-21swapper/500:23:495
111391230,0ptp4l0-21swapper/500:05:485
111391230,0ptp4l0-21swapper/422:27:474
111391230,0ptp4l0-21swapper/421:40:144
111391230,0ptp4l0-21swapper/421:05:204
111391230,0ptp4l0-21swapper/420:30:194
111391230,0ptp4l0-21swapper/420:18:284
111391230,0ptp4l0-21swapper/420:05:154
111391230,0ptp4l0-21swapper/419:55:124
111391230,0ptp4l0-21swapper/419:15:164
111391230,0ptp4l0-21swapper/400:15:354
111391230,0ptp4l0-21swapper/400:05:184
111391230,0ptp4l0-21swapper/222:20:122
111391230,0ptp4l0-21swapper/123:39:261
111391230,0ptp4l0-21swapper/123:39:251
111391230,0ptp4l0-21swapper/123:30:161
111391230,0ptp4l0-21swapper/123:21:551
111391230,0ptp4l0-21swapper/123:18:041
111391230,0ptp4l0-21swapper/122:55:001
111391230,0ptp4l0-21swapper/122:47:201
111391230,0ptp4l0-21swapper/122:40:171
111391230,0ptp4l0-21swapper/121:42:591
111391230,0ptp4l0-21swapper/121:25:211
111391230,0ptp4l0-21swapper/121:15:371
111391230,0ptp4l0-21swapper/120:20:121
111391230,0ptp4l0-21swapper/119:50:131
111391230,0ptp4l0-21swapper/119:40:131
111391230,0ptp4l0-21swapper/119:35:121
111391230,0ptp4l0-21swapper/100:31:471
111391230,0ptp4l0-21swapper/100:06:211
111391230,0ptp4l0-21swapper/023:34:460
111391230,0ptp4l0-21swapper/023:15:100
111391230,0ptp4l0-21swapper/023:00:200
111391230,0ptp4l0-21swapper/022:40:130
111391230,0ptp4l0-21swapper/021:50:220
111391230,0ptp4l0-21swapper/019:20:110
111391230,0ptp4l0-21swapper/000:05:140
111391220,0ptp4l17433-21ssh00:16:540
111391220,0ptp4l0-21swapper/623:58:486
111391220,0ptp4l0-21swapper/523:21:575
111391220,0ptp4l0-21swapper/522:55:015
111391220,0ptp4l0-21swapper/522:53:535
111391220,0ptp4l0-21swapper/522:25:135
111391220,0ptp4l0-21swapper/521:42:255
111391220,0ptp4l0-21swapper/521:35:435
111391220,0ptp4l0-21swapper/520:40:005
111391220,0ptp4l0-21swapper/520:14:235
111391220,0ptp4l0-21swapper/520:10:005
111391220,0ptp4l0-21swapper/519:50:115
111391220,0ptp4l0-21swapper/519:45:155
111391220,0ptp4l0-21swapper/519:35:175
111391220,0ptp4l0-21swapper/519:30:125
111391220,0ptp4l0-21swapper/519:10:195
111391220,0ptp4l0-21swapper/423:40:594
111391220,0ptp4l0-21swapper/421:26:204
111391220,0ptp4l0-21swapper/420:25:144
111391220,0ptp4l0-21swapper/420:20:164
111391220,0ptp4l0-21swapper/420:00:114
111391220,0ptp4l0-21swapper/419:10:124
111391220,0ptp4l0-21swapper/400:29:434
111391220,0ptp4l0-21swapper/322:05:403
111391220,0ptp4l0-21swapper/222:43:072
111391220,0ptp4l0-21swapper/123:53:031
111391220,0ptp4l0-21swapper/123:29:581
111391220,0ptp4l0-21swapper/122:58:151
111391220,0ptp4l0-21swapper/122:22:121
111391220,0ptp4l0-21swapper/121:00:121
111391220,0ptp4l0-21swapper/121:00:111
111391220,0ptp4l0-21swapper/120:50:151
111391220,0ptp4l0-21swapper/120:15:131
111391220,0ptp4l0-21swapper/119:55:131
111391220,0ptp4l0-21swapper/119:25:011
111391220,0ptp4l0-21swapper/119:15:111
111391220,0ptp4l0-21swapper/119:10:171
111391220,0ptp4l0-21swapper/100:25:471
111391220,0ptp4l0-21swapper/100:02:351
111391220,0ptp4l0-21swapper/022:01:330
111391220,0ptp4l0-21swapper/021:16:320
111391220,0ptp4l0-21swapper/020:57:170
111391220,0ptp4l0-21swapper/020:57:160
111391220,0ptp4l0-21swapper/020:50:160
111391220,0ptp4l0-21swapper/020:30:130
111391220,0ptp4l0-21swapper/020:25:120
111391220,0ptp4l0-21swapper/020:20:170
111391220,0ptp4l0-21swapper/019:55:170
111391220,0ptp4l0-21swapper/019:49:080
111391220,0ptp4l0-21swapper/019:15:190
111391220,0ptp4l0-21swapper/000:30:150
111391210,0ptp4l0-21swapper/722:06:017
111391210,0ptp4l0-21swapper/622:03:446
111391210,0ptp4l0-21swapper/522:47:385
111391210,0ptp4l0-21swapper/520:55:155
111391210,0ptp4l0-21swapper/520:55:145
111391210,0ptp4l0-21swapper/500:02:415
111391210,0ptp4l0-21swapper/421:16:144
111391210,0ptp4l0-21swapper/420:38:134
111391210,0ptp4l0-21swapper/223:43:562
111391210,0ptp4l0-21swapper/222:03:482
111391210,0ptp4l0-21swapper/221:53:022
111391210,0ptp4l0-21swapper/200:17:312
111391210,0ptp4l0-21swapper/123:01:271
111391210,0ptp4l0-21swapper/122:18:421
111391210,0ptp4l0-21swapper/121:56:511
111391210,0ptp4l0-21swapper/120:43:251
111391210,0ptp4l0-21swapper/119:24:141
111391210,0ptp4l0-21swapper/100:37:371
111391210,0ptp4l0-21swapper/100:12:001
111391210,0ptp4l0-21swapper/021:01:290
111391210,0ptp4l0-21swapper/021:01:280
111391210,0ptp4l0-21swapper/019:54:350
111391210,0ptp4l0-21swapper/019:43:280
111391210,0ptp4l0-21swapper/019:32:500
111391210,0ptp4l0-21swapper/019:26:220
111391200,0ptp4l0-21swapper/623:27:286
111391200,0ptp4l0-21swapper/623:00:086
111391200,0ptp4l0-21swapper/622:39:516
111391200,0ptp4l0-21swapper/523:57:125
111391200,0ptp4l0-21swapper/520:01:185
111391200,0ptp4l0-21swapper/519:55:155
111391200,0ptp4l0-21swapper/519:21:345
111391200,0ptp4l0-21swapper/420:49:554
111391200,0ptp4l0-21swapper/223:58:472
111391200,0ptp4l0-21swapper/123:57:261
111391200,0ptp4l0-21swapper/122:13:181
111391200,0ptp4l0-21swapper/120:32:591
111391200,0ptp4l0-21swapper/120:25:301
299142190,0sleep70-21swapper/719:20:017
111391190,0ptp4l0-21swapper/723:24:197
111391190,0ptp4l0-21swapper/600:26:276
111391190,0ptp4l0-21swapper/520:32:145
111391190,0ptp4l0-21swapper/419:51:004
111391190,0ptp4l0-21swapper/220:24:562
111391190,0ptp4l0-21swapper/020:46:580
111391190,0ptp4l0-21swapper/019:35:590
111391180,0ptp4l0-21swapper/621:53:026
111391180,0ptp4l0-21swapper/621:34:276
111391180,0ptp4l0-21swapper/419:45:104
111391180,0ptp4l0-21swapper/322:50:053
111391180,0ptp4l0-21swapper/222:39:512
111391180,0ptp4l0-21swapper/221:34:272
111391170,0ptp4l0-21swapper/700:03:187
111391170,0ptp4l0-21swapper/200:26:282
111391160,0ptp4l0-21swapper/620:57:356
111391160,0ptp4l0-21swapper/620:57:356
111391160,0ptp4l0-21swapper/620:12:356
111391160,0ptp4l0-21swapper/600:17:326
111391160,0ptp4l0-21swapper/419:42:024
111391160,0ptp4l0-21swapper/121:09:441
111391160,0ptp4l0-21swapper/120:13:351
111391160,0ptp4l0-21swapper/120:08:221
24665991513,1cyclictest0-21swapper/700:10:137
111391150,0ptp4l0-21swapper/621:11:266
111391150,0ptp4l0-21swapper/620:46:506
111391150,0ptp4l0-21swapper/620:24:516
111391150,0ptp4l0-21swapper/620:06:496
111391150,0ptp4l0-21swapper/619:53:566
111391150,0ptp4l0-21swapper/521:05:265
111391150,0ptp4l0-21swapper/419:30:334
111391150,0ptp4l0-21swapper/319:16:243
111391150,0ptp4l0-21swapper/223:00:062
111391150,0ptp4l0-21swapper/220:57:392
111391150,0ptp4l0-21swapper/220:57:382
111391150,0ptp4l0-21swapper/220:49:502
111391150,0ptp4l0-21swapper/219:48:212
111391150,0ptp4l0-21swapper/020:35:370
111391150,0ptp4l0-21swapper/020:15:460
2466599140,1cyclictest0-21swapper/720:10:137
111391140,0ptp4l0-21swapper/622:43:076
111391140,0ptp4l0-21swapper/620:28:336
111391140,0ptp4l0-21swapper/620:19:136
111391140,0ptp4l0-21swapper/619:59:096
111391140,0ptp4l0-21swapper/619:48:206
111391140,0ptp4l0-21swapper/619:40:516
111391140,0ptp4l0-21swapper/619:32:346
111391140,0ptp4l0-21swapper/619:11:056
111391140,0ptp4l0-21swapper/221:11:252
111391140,0ptp4l0-21swapper/220:38:172
111391140,0ptp4l0-21swapper/220:28:322
111391140,0ptp4l0-21swapper/220:17:392
111391140,0ptp4l0-21swapper/220:12:362
111391140,0ptp4l0-21swapper/220:06:452
111391140,0ptp4l0-21swapper/219:53:552
111391140,0ptp4l0-21swapper/219:40:512
111391140,0ptp4l0-21swapper/219:32:332
111391140,0ptp4l0-21swapper/219:11:042
2465899110,1cyclictest0-21swapper/621:48:256
2465899110,10cyclictest0-21swapper/622:09:096
2466599100,7cyclictest110891getstats20:50:347
2465899109,0cyclictest0-21swapper/623:39:236
2465899109,0cyclictest0-21swapper/623:39:236
2465899109,0cyclictest0-21swapper/622:54:366
2465899109,0cyclictest0-21swapper/621:36:206
2465899109,0cyclictest0-21swapper/600:33:356
2465899100,9cyclictest0-21swapper/621:59:256
2465899100,0cyclictest0-21swapper/623:06:506
2463699108,1cyclictest0-21swapper/300:10:143
2463099100,9cyclictest0-21swapper/222:05:192
2463099100,0cyclictest0-21swapper/221:20:122
246659998,0cyclictest0-21swapper/720:00:137
246589998,0cyclictest0-21swapper/623:23:296
246309990,8cyclictest0-21swapper/223:15:062
246659987,0cyclictest0-21swapper/722:36:547
246659983,3cyclictest11577-21munin-run21:50:017
246659980,7cyclictest0-21swapper/723:10:427
246659980,7cyclictest0-21swapper/719:25:307
246659980,7cyclictest0-21swapper/700:34:467
246659980,0cyclictest0-21swapper/722:53:057
246589987,0cyclictest0-21swapper/622:31:016
246589987,0cyclictest0-21swapper/622:19:526
246589987,0cyclictest0-21swapper/620:04:046
246369987,0cyclictest0-21swapper/323:05:193
246369985,2cyclictest9539-21crond23:19:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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