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2025-12-22 - 10:39

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 Dec 22, 2025 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391640,29ptp4l0-21swapper/019:07:590
737425949,6sleep20-21swapper/219:08:262
111391590,28ptp4l0-21swapper/119:09:101
111391580,5ptp4l0-21swapper/719:05:157
731225735,6sleep40-21swapper/419:07:404
111391550,2ptp4l0-21swapper/519:09:535
111391520,5ptp4l0-21swapper/319:06:433
731424837,7sleep60-21swapper/619:07:436
111391380,0ptp4l23250-21ls22:00:200
111391380,0ptp4l0-21swapper/020:30:170
111391340,0ptp4l0-21swapper/520:59:125
111391340,0ptp4l0-21swapper/520:59:125
111391340,0ptp4l0-21swapper/023:05:140
111391330,0ptp4l0-21swapper/421:10:144
111391320,0ptp4l0-21swapper/420:30:104
111391310,0ptp4l0-21swapper/500:00:145
111391300,0ptp4l0-21swapper/020:56:540
111391300,0ptp4l0-21swapper/020:56:540
111391290,0ptp4l0-21swapper/500:35:115
111391290,0ptp4l0-21swapper/421:25:224
111391290,0ptp4l0-21swapper/400:15:194
111391280,0ptp4l0-21swapper/000:31:270
111391270,0ptp4l0-21swapper/422:18:394
111391270,0ptp4l0-21swapper/400:25:234
111391270,0ptp4l0-21swapper/023:22:490
111391260,0ptp4l0-21swapper/519:19:595
111391260,0ptp4l0-21swapper/421:05:324
111391260,0ptp4l0-21swapper/000:15:210
111391250,3ptp4l0-21swapper/523:45:485
111391250,0ptp4l0-21swapper/522:17:415
111391250,0ptp4l0-21swapper/522:07:215
111391250,0ptp4l0-21swapper/521:37:295
111391250,0ptp4l0-21swapper/521:20:165
111391250,0ptp4l0-21swapper/520:44:475
111391250,0ptp4l0-21swapper/520:20:205
111391250,0ptp4l0-21swapper/500:06:585
111391250,0ptp4l0-21swapper/423:25:254
111391250,0ptp4l0-21swapper/422:21:234
111391250,0ptp4l0-21swapper/421:42:574
111391250,0ptp4l0-21swapper/420:40:174
111391250,0ptp4l0-21swapper/420:21:144
111391250,0ptp4l0-21swapper/419:55:124
111391250,0ptp4l0-21swapper/419:28:264
111391250,0ptp4l0-21swapper/400:04:444
111391250,0ptp4l0-21swapper/120:45:171
111391250,0ptp4l0-21swapper/120:43:571
111391250,0ptp4l0-21swapper/022:11:470
111391250,0ptp4l0-21swapper/021:48:060
111391250,0ptp4l0-21swapper/019:45:000
111391250,0ptp4l0-21swapper/019:21:560
111391250,0ptp4l0-21swapper/019:15:140
778999240,12cyclictest0-21swapper/500:10:165
7754992410,13cyclictest16396-21crond00:10:010
111391240,3ptp4l0-21swapper/522:51:275
111391240,1ptp4l6395-21smart_sda23:45:221
111391240,1ptp4l3795-21cpu20:10:152
111391240,1ptp4l31277-21diskstats22:20:131
111391240,1ptp4l26221-21df_inode00:30:134
111391240,1ptp4l23960-21smartctl00:25:151
111391240,1ptp4l20744-21phc2sys-jitter20:45:195
111391240,1ptp4l1806-21irqstats21:15:160
111391240,1ptp4l12045-21munin-run22:50:004
111391240,0ptp4l0-21swapper/522:59:085
111391240,0ptp4l0-21swapper/522:45:185
111391240,0ptp4l0-21swapper/521:46:585
111391240,0ptp4l0-21swapper/500:23:255
111391240,0ptp4l0-21swapper/423:35:114
111391240,0ptp4l0-21swapper/423:35:114
111391240,0ptp4l0-21swapper/422:44:464
111391240,0ptp4l0-21swapper/422:35:134
111391240,0ptp4l0-21swapper/422:03:534
111391240,0ptp4l0-21swapper/421:55:154
111391240,0ptp4l0-21swapper/421:24:204
111391240,0ptp4l0-21swapper/420:09:434
111391240,0ptp4l0-21swapper/419:36:224
111391240,0ptp4l0-21swapper/419:19:324
111391240,0ptp4l0-21swapper/123:15:101
111391240,0ptp4l0-21swapper/121:40:181
111391240,0ptp4l0-21swapper/120:05:141
111391240,0ptp4l0-21swapper/119:46:451
111391240,0ptp4l0-21swapper/119:23:591
111391240,0ptp4l0-21swapper/100:35:001
111391240,0ptp4l0-21swapper/100:20:211
111391240,0ptp4l0-21swapper/022:33:240
111391240,0ptp4l0-21swapper/021:25:140
111391240,0ptp4l0-21swapper/021:10:170
111391240,0ptp4l0-21swapper/020:10:240
111391240,0ptp4l0-21swapper/020:05:590
111391230,1ptp4l4910-21latency_hist23:45:015
111391230,1ptp4l31902-21if_err_virbr020:00:124
111391230,1ptp4l26965-21ls21:00:140
111391230,1ptp4l20990-21/usr/sbin/munin00:20:015
111391230,1ptp4l18093-21if_enp0s2519:30:144
111391230,1ptp4l17243-21cpuspeed_turbos23:00:115
111391230,1ptp4l16141-21unixbench_multi22:55:220
111391230,0ptp4l0-21swapper/523:50:195
111391230,0ptp4l0-21swapper/523:15:185
111391230,0ptp4l0-21swapper/522:42:185
111391230,0ptp4l0-21swapper/522:20:145
111391230,0ptp4l0-21swapper/521:57:285
111391230,0ptp4l0-21swapper/521:50:145
111391230,0ptp4l0-21swapper/521:15:135
111391230,0ptp4l0-21swapper/521:05:015
111391230,0ptp4l0-21swapper/520:05:155
111391230,0ptp4l0-21swapper/519:35:225
111391230,0ptp4l0-21swapper/519:20:145
111391230,0ptp4l0-21swapper/423:55:214
111391230,0ptp4l0-21swapper/423:40:174
111391230,0ptp4l0-21swapper/423:30:134
111391230,0ptp4l0-21swapper/423:10:124
111391230,0ptp4l0-21swapper/423:05:124
111391230,0ptp4l0-21swapper/422:50:114
111391230,0ptp4l0-21swapper/422:30:124
111391230,0ptp4l0-21swapper/422:28:534
111391230,0ptp4l0-21swapper/421:45:114
111391230,0ptp4l0-21swapper/421:35:184
111391230,0ptp4l0-21swapper/421:30:454
111391230,0ptp4l0-21swapper/421:00:144
111391230,0ptp4l0-21swapper/420:35:164
111391230,0ptp4l0-21swapper/420:27:404
111391230,0ptp4l0-21swapper/420:11:264
111391230,0ptp4l0-21swapper/419:55:004
111391230,0ptp4l0-21swapper/419:41:574
111391230,0ptp4l0-21swapper/400:05:154
111391230,0ptp4l0-21swapper/123:00:151
111391230,0ptp4l0-21swapper/121:50:201
111391230,0ptp4l0-21swapper/121:05:141
111391230,0ptp4l0-21swapper/119:38:491
111391230,0ptp4l0-21swapper/119:26:171
111391230,0ptp4l0-21swapper/100:35:171
111391230,0ptp4l0-21swapper/100:03:261
111391230,0ptp4l0-21swapper/023:40:200
111391230,0ptp4l0-21swapper/023:25:150
111391230,0ptp4l0-21swapper/023:00:550
111391230,0ptp4l0-21swapper/022:54:140
111391230,0ptp4l0-21swapper/022:50:000
111391230,0ptp4l0-21swapper/022:40:120
111391230,0ptp4l0-21swapper/022:25:000
111391230,0ptp4l0-21swapper/022:05:180
111391230,0ptp4l0-21swapper/021:35:150
111391230,0ptp4l0-21swapper/020:35:140
111391230,0ptp4l0-21swapper/019:58:500
111391230,0ptp4l0-21swapper/019:54:470
111391230,0ptp4l0-21swapper/019:10:160
111391220,0ptp4l8987-21strings21:30:170
111391220,0ptp4l0-21swapper/620:10:206
111391220,0ptp4l0-21swapper/523:25:005
111391220,0ptp4l0-21swapper/523:24:545
111391220,0ptp4l0-21swapper/521:40:135
111391220,0ptp4l0-21swapper/520:50:015
111391220,0ptp4l0-21swapper/520:50:005
111391220,0ptp4l0-21swapper/519:45:185
111391220,0ptp4l0-21swapper/519:40:125
111391220,0ptp4l0-21swapper/519:10:015
111391220,0ptp4l0-21swapper/500:25:155
111391220,0ptp4l0-21swapper/423:20:114
111391220,0ptp4l0-21swapper/422:55:174
111391220,0ptp4l0-21swapper/422:10:174
111391220,0ptp4l0-21swapper/421:15:154
111391220,0ptp4l0-21swapper/420:55:194
111391220,0ptp4l0-21swapper/420:55:184
111391220,0ptp4l0-21swapper/420:50:124
111391220,0ptp4l0-21swapper/420:50:114
111391220,0ptp4l0-21swapper/420:15:174
111391220,0ptp4l0-21swapper/419:10:154
111391220,0ptp4l0-21swapper/400:38:304
111391220,0ptp4l0-21swapper/123:50:131
111391220,0ptp4l0-21swapper/123:25:261
111391220,0ptp4l0-21swapper/122:45:151
111391220,0ptp4l0-21swapper/122:25:191
111391220,0ptp4l0-21swapper/122:15:161
111391220,0ptp4l0-21swapper/121:20:121
111391220,0ptp4l0-21swapper/121:17:461
111391220,0ptp4l0-21swapper/121:04:321
111391220,0ptp4l0-21swapper/120:20:171
111391220,0ptp4l0-21swapper/120:15:221
111391220,0ptp4l0-21swapper/119:40:091
111391220,0ptp4l0-21swapper/023:55:180
111391220,0ptp4l0-21swapper/023:35:200
111391220,0ptp4l0-21swapper/023:35:200
111391220,0ptp4l0-21swapper/023:30:160
111391220,0ptp4l0-21swapper/023:10:120
111391220,0ptp4l0-21swapper/022:39:040
111391220,0ptp4l0-21swapper/022:27:410
111391220,0ptp4l0-21swapper/022:17:310
111391220,0ptp4l0-21swapper/021:40:210
111391220,0ptp4l0-21swapper/021:20:120
111391220,0ptp4l0-21swapper/020:50:140
111391220,0ptp4l0-21swapper/020:50:130
111391220,0ptp4l0-21swapper/020:40:160
111391220,0ptp4l0-21swapper/020:25:120
111391220,0ptp4l0-21swapper/020:24:590
111391220,0ptp4l0-21swapper/020:00:170
111391220,0ptp4l0-21swapper/019:30:200
111391220,0ptp4l0-21swapper/019:25:170
111391220,0ptp4l0-21swapper/000:29:230
111391220,0ptp4l0-21swapper/000:12:300
111391210,0ptp4l0-21swapper/723:33:257
111391210,0ptp4l0-21swapper/523:13:125
111391210,0ptp4l0-21swapper/522:25:195
111391210,0ptp4l0-21swapper/521:05:155
111391210,0ptp4l0-21swapper/520:39:505
111391210,0ptp4l0-21swapper/520:26:285
111391210,0ptp4l0-21swapper/422:05:164
111391210,0ptp4l0-21swapper/400:23:134
111391210,0ptp4l0-21swapper/400:13:124
111391210,0ptp4l0-21swapper/222:29:262
111391210,0ptp4l0-21swapper/123:10:131
111391210,0ptp4l0-21swapper/122:44:261
111391210,0ptp4l0-21swapper/121:30:131
111391210,0ptp4l0-21swapper/120:56:211
111391210,0ptp4l0-21swapper/120:56:201
111391210,0ptp4l0-21swapper/100:10:241
111391210,0ptp4l0-21swapper/100:07:151
111391210,0ptp4l0-21swapper/023:54:310
111391210,0ptp4l0-21swapper/023:48:130
111391210,0ptp4l0-21swapper/021:54:350
111391210,0ptp4l0-21swapper/000:24:130
111391200,0ptp4l0-21swapper/523:57:595
111391200,0ptp4l0-21swapper/523:06:265
111391200,0ptp4l0-21swapper/521:30:125
111391200,0ptp4l0-21swapper/521:27:135
111391200,0ptp4l0-21swapper/519:26:505
111391200,0ptp4l0-21swapper/423:51:124
111391200,0ptp4l0-21swapper/423:46:374
111391200,0ptp4l0-21swapper/123:59:561
111391200,0ptp4l0-21swapper/123:24:261
111391200,0ptp4l0-21swapper/122:04:511
111391200,0ptp4l0-21swapper/100:18:401
111391200,0ptp4l0-21swapper/021:55:140
111391200,0ptp4l0-21swapper/021:06:590
111391200,0ptp4l0-21swapper/020:15:130
111391200,0ptp4l0-21swapper/000:01:270
111391190,0ptp4l0-21swapper/521:14:565
111391190,0ptp4l0-21swapper/519:33:125
111391190,0ptp4l0-21swapper/500:34:105
111391190,0ptp4l0-21swapper/423:02:214
111391190,0ptp4l0-21swapper/123:30:351
111391190,0ptp4l0-21swapper/121:47:111
111391190,0ptp4l0-21swapper/120:26:481
111391190,0ptp4l0-21swapper/119:31:221
111391190,0ptp4l0-21swapper/119:10:151
111391180,0ptp4l0-21swapper/622:34:446
111391180,0ptp4l0-21swapper/420:49:564
111391180,0ptp4l0-21swapper/122:59:541
111391180,0ptp4l0-21swapper/000:36:240
111391170,2ptp4l0-21swapper/122:05:591
111391170,0ptp4l0-21swapper/423:17:414
111391170,0ptp4l0-21swapper/419:24:394
111391170,0ptp4l0-21swapper/122:34:321
111391170,0ptp4l0-21swapper/121:55:191
111391170,0ptp4l0-21swapper/120:10:011
111391160,1ptp4l778299cyclictest19:45:084
111391160,0ptp4l0-21swapper/721:01:087
111391160,0ptp4l0-21swapper/720:32:557
111391160,0ptp4l0-21swapper/621:02:396
111391160,0ptp4l0-21swapper/522:35:525
111391160,0ptp4l0-21swapper/520:17:265
111391160,0ptp4l0-21swapper/519:52:055
111391160,0ptp4l0-21swapper/320:33:243
111391160,0ptp4l0-21swapper/123:38:061
111391160,0ptp4l0-21swapper/123:38:051
111391160,0ptp4l0-21swapper/123:08:411
111391160,0ptp4l0-21swapper/122:37:001
111391160,0ptp4l0-21swapper/122:13:411
111391160,0ptp4l0-21swapper/121:37:331
111391160,0ptp4l0-21swapper/121:12:361
111391160,0ptp4l0-21swapper/120:35:331
111391160,0ptp4l0-21swapper/120:30:251
111391160,0ptp4l0-21swapper/120:01:511
111391160,0ptp4l0-21swapper/119:50:391
111391160,0ptp4l0-21swapper/119:17:461
111391160,0ptp4l0-21swapper/019:39:570
111391150,0ptp4l0-21swapper/622:52:436
111391150,0ptp4l0-21swapper/621:41:476
111391150,0ptp4l0-21swapper/621:08:126
111391150,0ptp4l0-21swapper/620:50:276
111391150,0ptp4l0-21swapper/620:50:276
111391150,0ptp4l0-21swapper/620:18:346
111391150,0ptp4l0-21swapper/619:14:016
111391150,0ptp4l0-21swapper/600:37:366
111391150,0ptp4l0-21swapper/600:34:006
111391150,0ptp4l0-21swapper/600:18:356
111391150,0ptp4l0-21swapper/523:30:275
111391150,0ptp4l0-21swapper/522:13:465
111391150,0ptp4l0-21swapper/522:02:065
111391150,0ptp4l0-21swapper/520:30:325
111391150,0ptp4l0-21swapper/520:10:005
111391150,0ptp4l0-21swapper/520:00:005
111391150,0ptp4l0-21swapper/519:56:005
111391150,0ptp4l0-21swapper/421:50:584
111391150,0ptp4l0-21swapper/323:33:283
111391150,0ptp4l0-21swapper/319:46:253
111391150,0ptp4l0-21swapper/223:55:572
111391150,0ptp4l0-21swapper/222:34:542
111391150,0ptp4l0-21swapper/221:08:082
111391150,0ptp4l0-21swapper/221:02:412
111391150,0ptp4l0-21swapper/220:35:452
111391150,0ptp4l0-21swapper/219:39:382
111391150,0ptp4l0-21swapper/219:17:362
111391150,0ptp4l0-21swapper/200:33:592
111391150,0ptp4l0-21swapper/123:43:371
111391150,0ptp4l0-21swapper/122:50:471
111391150,0ptp4l0-21swapper/121:25:351
111391150,0ptp4l0-21swapper/120:50:041
111391150,0ptp4l0-21swapper/120:50:041
111391150,0ptp4l0-21swapper/119:55:401
111391150,0ptp4l0-21swapper/023:15:240
111391150,0ptp4l0-21swapper/020:46:240
111391150,0ptp4l0-21swapper/019:46:290
111391140,0ptp4l0-21swapper/719:46:247
111391140,0ptp4l0-21swapper/623:55:586
111391140,0ptp4l0-21swapper/622:29:216
111391140,0ptp4l0-21swapper/621:52:386
111391140,0ptp4l0-21swapper/620:47:286
111391140,0ptp4l0-21swapper/620:35:476
111391140,0ptp4l0-21swapper/619:52:086
111391140,0ptp4l0-21swapper/619:39:336
111391140,0ptp4l0-21swapper/619:20:496
111391140,0ptp4l0-21swapper/619:17:356
111391140,0ptp4l0-21swapper/523:36:485
111391140,0ptp4l0-21swapper/523:36:475
111391140,0ptp4l0-21swapper/522:30:365
111391140,0ptp4l0-21swapper/321:01:073
111391140,0ptp4l0-21swapper/222:50:522
111391140,0ptp4l0-21swapper/222:04:052
111391140,0ptp4l0-21swapper/221:52:372
111391140,0ptp4l0-21swapper/221:41:452
111391140,0ptp4l0-21swapper/220:50:252
111391140,0ptp4l0-21swapper/220:50:242
111391140,0ptp4l0-21swapper/220:47:292
111391140,0ptp4l0-21swapper/220:18:332
111391140,0ptp4l0-21swapper/219:52:062
111391140,0ptp4l0-21swapper/219:41:202
111391140,0ptp4l0-21swapper/219:20:492
111391140,0ptp4l0-21swapper/219:14:002
111391140,0ptp4l0-21swapper/200:37:362
111391140,0ptp4l0-21swapper/200:18:352
777799100,9cyclictest0-21swapper/323:46:143
776999109,0cyclictest0-21swapper/221:55:112
776999107,2cyclictest3349-21munin-run20:10:002
77979996,2cyclictest0-21swapper/621:20:156
77979990,8cyclictest641ktimersoftd/620:26:506
77979990,1cyclictest0-21swapper/623:20:146
77779990,8cyclictest0-21swapper/321:22:263
77699993,0cyclictest0-21swapper/200:21:232
78039982,3cyclictest0-21swapper/700:35:157
77979988,0cyclictest641ktimersoftd/622:41:126
77779987,0cyclictest0-21swapper/322:50:273
77779980,3cyclictest0-21swapper/300:06:343
77779980,1cyclictest0-21swapper/322:48:543
77779980,0cyclictest0-21swapper/323:12:263
78039976,0cyclictest0-21swapper/720:12:247
78039975,1cyclictest721ktimersoftd/721:40:227
78039972,4cyclictest0-21swapper/720:20:147
78039972,2cyclictest73-21ksoftirqd/723:49:147
78039970,6cyclictest3637-21kworker/7:019:38:127
78039970,6cyclictest17128-21kworker/7:022:22:147
77979974,2cyclictest736-21cpuspeed_turbos23:35:156
77979974,2cyclictest736-21cpuspeed_turbos23:35:146
77979973,2cyclictest186291getstats23:51:406
77979972,3cyclictest6917-21timerwakeupswit22:35:216
77979972,3cyclictest0-21swapper/622:21:216
77979971,3cyclictest65-21ksoftirqd/620:05:156
77979971,3cyclictest0-21swapper/623:45:156
77979971,3cyclictest0-21swapper/622:55:156
77979971,3cyclictest0-21swapper/620:55:016
77979971,3cyclictest0-21swapper/620:55:006
77979971,3cyclictest0-21swapper/620:20:196
77979971,3cyclictest0-21swapper/619:40:136
77979971,1cyclictest0-21swapper/622:01:006
77979971,1cyclictest0-21swapper/621:40:016
77979971,1cyclictest0-21swapper/620:40:156
77779975,1cyclictest9881-21munin-plugin-st19:14:593
77779975,1cyclictest6064-21fw_conntrack21:25:133
77779975,1cyclictest24160-21ps00:25:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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