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2026-07-14 - 06:34

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 Tue Jul 14, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391890,5ptp4l0-21swapper/619:06:026
827526632,18sleep70-21swapper/719:05:167
119312640,0sleep10-21swapper/122:05:001
111391640,7ptp4l0-21swapper/219:05:192
111391610,6ptp4l0-21swapper/519:09:355
127032600,0sleep50-21swapper/521:24:515
111391600,29ptp4l0-21swapper/019:06:030
111391590,28ptp4l0-21swapper/119:08:311
249352540,0sleep30-21swapper/323:45:003
941324938,6sleep40-21swapper/419:06:024
941224634,7sleep30-21swapper/319:06:013
111391350,1ptp4l24635-21latency_hist21:40:005
111391340,0ptp4l0-21swapper/020:25:120
111391330,0ptp4l0-21swapper/421:00:004
111391330,0ptp4l0-21swapper/021:21:200
111391320,0ptp4l0-21swapper/123:14:121
111391310,0ptp4l0-21swapper/423:28:084
111391310,0ptp4l0-21swapper/121:57:421
111391310,0ptp4l0-21swapper/021:50:000
111391300,3ptp4l0-21swapper/121:51:241
111391300,0ptp4l0-21swapper/523:40:145
111391300,0ptp4l0-21swapper/523:29:315
111391300,0ptp4l0-21swapper/423:11:124
111391300,0ptp4l0-21swapper/400:31:544
111391300,0ptp4l0-21swapper/122:51:241
111391300,0ptp4l0-21swapper/121:27:431
111391300,0ptp4l0-21swapper/023:40:340
111391290,0ptp4l0-21swapper/521:28:295
111391290,0ptp4l0-21swapper/421:28:514
111391290,0ptp4l0-21swapper/123:47:221
111391290,0ptp4l0-21swapper/121:43:371
111391290,0ptp4l0-21swapper/023:05:120
111391290,0ptp4l0-21swapper/022:28:460
111391280,3ptp4l0-21swapper/000:22:420
111391280,2ptp4l0-21swapper/521:47:155
111391280,0ptp4l0-21swapper/523:47:475
111391280,0ptp4l0-21swapper/522:08:325
111391280,0ptp4l0-21swapper/500:27:135
111391280,0ptp4l0-21swapper/500:23:185
111391280,0ptp4l0-21swapper/422:20:154
111391280,0ptp4l0-21swapper/123:06:111
111391280,0ptp4l0-21swapper/122:07:101
111391280,0ptp4l0-21swapper/121:34:061
111391280,0ptp4l0-21swapper/100:26:541
111391280,0ptp4l0-21swapper/023:35:140
111391280,0ptp4l0-21swapper/022:59:040
111391270,2ptp4l0-21swapper/520:40:135
111391270,0ptp4l0-21swapper/523:52:225
111391270,0ptp4l0-21swapper/523:06:115
111391270,0ptp4l0-21swapper/523:04:545
111391270,0ptp4l0-21swapper/422:09:594
111391270,0ptp4l0-21swapper/421:24:454
111391270,0ptp4l0-21swapper/421:16:164
111391270,0ptp4l0-21swapper/021:31:360
111391260,3ptp4l0-21swapper/022:02:240
111391260,1ptp4l6424-21diskmemload22:39:054
111391260,1ptp4l19931-21cpuspeed_turbos20:40:111
111391260,0ptp4l0-21swapper/523:15:305
111391260,0ptp4l0-21swapper/521:13:395
111391260,0ptp4l0-21swapper/520:30:195
111391260,0ptp4l0-21swapper/520:10:105
111391260,0ptp4l0-21swapper/400:20:404
111391260,0ptp4l0-21swapper/122:49:171
111391260,0ptp4l0-21swapper/121:19:411
111391260,0ptp4l0-21swapper/022:15:340
111391260,0ptp4l0-21swapper/022:15:340
111391260,0ptp4l0-21swapper/021:40:350
111391260,0ptp4l0-21swapper/021:14:060
111391260,0ptp4l0-21swapper/019:55:130
111391260,0ptp4l0-21swapper/000:35:390
111391250,1ptp4l25673-21smartctl23:45:130
111391250,1ptp4l15404-21df20:30:121
111391250,1ptp4l1519-21cpuspeed_turbos20:00:121
111391250,0ptp4l0-21swapper/523:56:085
111391250,0ptp4l0-21swapper/523:30:165
111391250,0ptp4l0-21swapper/521:50:125
111391250,0ptp4l0-21swapper/500:08:265
111391250,0ptp4l0-21swapper/423:31:434
111391250,0ptp4l0-21swapper/422:59:224
111391250,0ptp4l0-21swapper/422:03:094
111391250,0ptp4l0-21swapper/421:35:144
111391250,0ptp4l0-21swapper/420:25:204
111391250,0ptp4l0-21swapper/419:25:204
111391250,0ptp4l0-21swapper/123:26:441
111391250,0ptp4l0-21swapper/121:37:151
111391250,0ptp4l0-21swapper/121:00:161
111391250,0ptp4l0-21swapper/100:20:091
111391250,0ptp4l0-21swapper/023:30:180
111391250,0ptp4l0-21swapper/022:10:170
111391250,0ptp4l0-21swapper/022:10:170
111391250,0ptp4l0-21swapper/021:57:500
111391250,0ptp4l0-21swapper/000:15:140
111391240,1ptp4l8374-21tr20:15:135
111391240,1ptp4l5369-21missed_timers21:55:184
111391240,1ptp4l31922-21df00:35:134
111391240,1ptp4l31717-21fw_packets19:55:154
111391240,1ptp4l12475-21munin-run20:25:010
111391240,0ptp4l0-21swapper/523:39:495
111391240,0ptp4l0-21swapper/523:24:435
111391240,0ptp4l0-21swapper/522:55:005
111391240,0ptp4l0-21swapper/522:40:395
111391240,0ptp4l0-21swapper/522:19:085
111391240,0ptp4l0-21swapper/522:19:085
111391240,0ptp4l0-21swapper/521:30:535
111391240,0ptp4l0-21swapper/521:00:335
111391240,0ptp4l0-21swapper/520:55:115
111391240,0ptp4l0-21swapper/422:11:324
111391240,0ptp4l0-21swapper/422:11:324
111391240,0ptp4l0-21swapper/421:33:074
111391240,0ptp4l0-21swapper/420:20:144
111391240,0ptp4l0-21swapper/419:40:194
111391240,0ptp4l0-21swapper/400:00:154
111391240,0ptp4l0-21swapper/222:47:472
111391240,0ptp4l0-21swapper/123:31:231
111391240,0ptp4l0-21swapper/123:15:531
111391240,0ptp4l0-21swapper/122:31:311
111391240,0ptp4l0-21swapper/121:49:061
111391240,0ptp4l0-21swapper/119:40:001
111391240,0ptp4l0-21swapper/119:40:001
111391240,0ptp4l0-21swapper/119:10:161
111391240,0ptp4l0-21swapper/023:57:230
111391240,0ptp4l0-21swapper/023:53:430
111391240,0ptp4l0-21swapper/023:20:170
111391240,0ptp4l0-21swapper/023:10:320
111391240,0ptp4l0-21swapper/022:48:380
111391240,0ptp4l0-21swapper/021:39:320
111391240,0ptp4l0-21swapper/021:28:110
111391240,0ptp4l0-21swapper/000:12:350
111391230,1ptp4l8991-21cat00:05:164
111391230,1ptp4l665-21diskmemload22:21:565
111391230,1ptp4l5568-21/usr/sbin/munin00:00:180
111391230,1ptp4l3935-21/usr/sbin/munin20:05:144
111391230,1ptp4l26906-21ssh00:29:084
111391230,1ptp4l1002699cyclictest20:05:215
111391230,0ptp4l0-21swapper/623:35:206
111391230,0ptp4l0-21swapper/600:10:196
111391230,0ptp4l0-21swapper/523:12:305
111391230,0ptp4l0-21swapper/522:30:185
111391230,0ptp4l0-21swapper/520:00:135
111391230,0ptp4l0-21swapper/519:20:165
111391230,0ptp4l0-21swapper/500:12:585
111391230,0ptp4l0-21swapper/423:55:174
111391230,0ptp4l0-21swapper/423:45:074
111391230,0ptp4l0-21swapper/423:40:184
111391230,0ptp4l0-21swapper/423:39:074
111391230,0ptp4l0-21swapper/423:20:004
111391230,0ptp4l0-21swapper/423:08:494
111391230,0ptp4l0-21swapper/423:02:454
111391230,0ptp4l0-21swapper/422:50:124
111391230,0ptp4l0-21swapper/422:45:114
111391230,0ptp4l0-21swapper/422:40:194
111391230,0ptp4l0-21swapper/422:15:164
111391230,0ptp4l0-21swapper/422:15:164
111391230,0ptp4l0-21swapper/421:43:554
111391230,0ptp4l0-21swapper/421:10:114
111391230,0ptp4l0-21swapper/420:45:004
111391230,0ptp4l0-21swapper/420:35:114
111391230,0ptp4l0-21swapper/419:45:124
111391230,0ptp4l0-21swapper/419:35:164
111391230,0ptp4l0-21swapper/419:35:164
111391230,0ptp4l0-21swapper/419:25:004
111391230,0ptp4l0-21swapper/400:19:224
111391230,0ptp4l0-21swapper/223:35:162
111391230,0ptp4l0-21swapper/222:25:422
111391230,0ptp4l0-21swapper/220:50:132
111391230,0ptp4l0-21swapper/200:10:142
111391230,0ptp4l0-21swapper/123:50:371
111391230,0ptp4l0-21swapper/123:40:141
111391230,0ptp4l0-21swapper/123:23:111
111391230,0ptp4l0-21swapper/123:00:151
111391230,0ptp4l0-21swapper/122:25:161
111391230,0ptp4l0-21swapper/122:22:031
111391230,0ptp4l0-21swapper/122:19:511
111391230,0ptp4l0-21swapper/122:19:511
111391230,0ptp4l0-21swapper/121:20:231
111391230,0ptp4l0-21swapper/120:55:121
111391230,0ptp4l0-21swapper/120:15:141
111391230,0ptp4l0-21swapper/119:48:161
111391230,0ptp4l0-21swapper/100:34:141
111391230,0ptp4l0-21swapper/100:17:591
111391230,0ptp4l0-21swapper/023:02:440
111391230,0ptp4l0-21swapper/022:40:120
111391230,0ptp4l0-21swapper/022:35:010
111391230,0ptp4l0-21swapper/022:05:160
111391230,0ptp4l0-21swapper/021:15:230
111391230,0ptp4l0-21swapper/021:05:160
111391230,0ptp4l0-21swapper/020:55:130
111391230,0ptp4l0-21swapper/020:50:210
111391230,0ptp4l0-21swapper/020:45:220
111391230,0ptp4l0-21swapper/020:35:150
111391230,0ptp4l0-21swapper/020:05:120
111391230,0ptp4l0-21swapper/019:50:120
111391230,0ptp4l0-21swapper/019:45:130
111391230,0ptp4l0-21swapper/019:40:140
111391230,0ptp4l0-21swapper/019:35:130
111391230,0ptp4l0-21swapper/019:35:120
111391230,0ptp4l0-21swapper/019:25:170
111391230,0ptp4l0-21swapper/019:15:200
111391230,0ptp4l0-21swapper/000:30:120
111391220,2ptp4l0-21swapper/621:31:056
111391220,0ptp4l11108-21ssh21:20:417
111391220,0ptp4l0-21swapper/600:18:496
111391220,0ptp4l0-21swapper/522:45:165
111391220,0ptp4l0-21swapper/522:39:215
111391220,0ptp4l0-21swapper/522:25:175
111391220,0ptp4l0-21swapper/522:01:375
111391220,0ptp4l0-21swapper/521:55:135
111391220,0ptp4l0-21swapper/521:43:125
111391220,0ptp4l0-21swapper/521:19:425
111391220,0ptp4l0-21swapper/519:35:215
111391220,0ptp4l0-21swapper/519:35:205
111391220,0ptp4l0-21swapper/519:30:145
111391220,0ptp4l0-21swapper/519:25:125
111391220,0ptp4l0-21swapper/519:10:115
111391220,0ptp4l0-21swapper/500:32:475
111391220,0ptp4l0-21swapper/500:19:525
111391220,0ptp4l0-21swapper/500:01:595
111391220,0ptp4l0-21swapper/423:50:114
111391220,0ptp4l0-21swapper/423:16:144
111391220,0ptp4l0-21swapper/422:31:114
111391220,0ptp4l0-21swapper/422:25:124
111391220,0ptp4l0-21swapper/421:54:264
111391220,0ptp4l0-21swapper/421:45:124
111391220,0ptp4l0-21swapper/421:05:164
111391220,0ptp4l0-21swapper/420:50:234
111391220,0ptp4l0-21swapper/420:40:484
111391220,0ptp4l0-21swapper/419:50:224
111391220,0ptp4l0-21swapper/419:15:154
111391220,0ptp4l0-21swapper/400:11:064
111391220,0ptp4l0-21swapper/323:22:103
111391220,0ptp4l0-21swapper/222:20:332
111391220,0ptp4l0-21swapper/222:13:052
111391220,0ptp4l0-21swapper/222:13:052
111391220,0ptp4l0-21swapper/221:35:402
111391220,0ptp4l0-21swapper/221:24:302
111391220,0ptp4l0-21swapper/221:11:342
111391220,0ptp4l0-21swapper/200:18:442
111391220,0ptp4l0-21swapper/123:57:021
111391220,0ptp4l0-21swapper/123:36:441
111391220,0ptp4l0-21swapper/122:55:101
111391220,0ptp4l0-21swapper/122:40:021
111391220,0ptp4l0-21swapper/121:12:101
111391220,0ptp4l0-21swapper/120:29:461
111391220,0ptp4l0-21swapper/120:10:131
111391220,0ptp4l0-21swapper/120:05:171
111391220,0ptp4l0-21swapper/119:30:121
111391220,0ptp4l0-21swapper/119:20:191
111391220,0ptp4l0-21swapper/100:37:471
111391220,0ptp4l0-21swapper/100:13:151
111391220,0ptp4l0-21swapper/100:07:451
111391220,0ptp4l0-21swapper/023:25:530
111391220,0ptp4l0-21swapper/023:18:070
111391220,0ptp4l0-21swapper/022:50:110
111391220,0ptp4l0-21swapper/022:31:260
111391220,0ptp4l0-21swapper/022:20:020
111391220,0ptp4l0-21swapper/021:50:030
111391220,0ptp4l0-21swapper/000:25:350
111391220,0ptp4l0-21swapper/000:05:150
111391210,0ptp4l0-21swapper/622:43:346
111391210,0ptp4l0-21swapper/622:25:486
111391210,0ptp4l0-21swapper/622:13:146
111391210,0ptp4l0-21swapper/622:13:146
111391210,0ptp4l0-21swapper/621:35:366
111391210,0ptp4l0-21swapper/621:11:376
111391210,0ptp4l0-21swapper/522:14:235
111391210,0ptp4l0-21swapper/522:14:235
111391210,0ptp4l0-21swapper/519:58:345
111391210,0ptp4l0-21swapper/519:51:105
111391210,0ptp4l0-21swapper/519:41:105
111391210,0ptp4l0-21swapper/519:19:015
111391210,0ptp4l0-21swapper/500:37:175
111391210,0ptp4l0-21swapper/222:54:442
111391210,0ptp4l0-21swapper/222:42:162
111391210,0ptp4l0-21swapper/222:15:492
111391210,0ptp4l0-21swapper/222:15:492
111391210,0ptp4l0-21swapper/122:39:141
111391210,0ptp4l0-21swapper/122:14:151
111391210,0ptp4l0-21swapper/122:14:151
111391210,0ptp4l0-21swapper/120:35:121
111391210,0ptp4l0-21swapper/119:51:081
111391210,0ptp4l0-21swapper/100:01:041
111391210,0ptp4l0-21swapper/019:13:190
111391200,0ptp4l0-21swapper/621:41:386
111391200,0ptp4l0-21swapper/620:50:156
111391200,0ptp4l0-21swapper/522:55:035
111391200,0ptp4l0-21swapper/420:11:214
111391200,0ptp4l0-21swapper/419:11:114
111391200,0ptp4l0-21swapper/300:34:483
111391200,0ptp4l0-21swapper/221:08:082
111391200,0ptp4l0-21swapper/120:53:311
111391200,0ptp4l0-21swapper/020:42:350
111391200,0ptp4l0-21swapper/020:32:020
111391190,0ptp4l0-21swapper/722:49:477
111391190,0ptp4l0-21swapper/622:54:406
111391190,0ptp4l0-21swapper/622:20:346
111391190,0ptp4l0-21swapper/619:17:196
111391190,0ptp4l0-21swapper/520:35:135
111391190,0ptp4l0-21swapper/520:27:195
111391190,0ptp4l0-21swapper/421:02:214
111391190,0ptp4l0-21swapper/420:16:154
111391190,0ptp4l0-21swapper/420:01:274
111391190,0ptp4l0-21swapper/222:55:442
111391190,0ptp4l0-21swapper/221:34:222
111391190,0ptp4l0-21swapper/119:59:201
111391190,0ptp4l0-21swapper/119:41:121
111391190,0ptp4l0-21swapper/119:15:581
111391190,0ptp4l0-21swapper/020:16:210
111391190,0ptp4l0-21swapper/020:13:510
111391190,0ptp4l0-21swapper/019:32:320
111391180,0ptp4l0-21swapper/622:47:486
111391180,0ptp4l0-21swapper/620:21:196
111391180,0ptp4l0-21swapper/600:29:226
111391180,0ptp4l0-21swapper/200:29:212
8962170,0sleep60-21swapper/622:30:216
111391170,2ptp4l0-21swapper/021:01:360
111391170,0ptp4l0-21swapper/621:24:326
111391170,0ptp4l0-21swapper/600:22:176
111391170,0ptp4l0-21swapper/520:20:235
111391170,0ptp4l0-21swapper/519:48:445
111391170,0ptp4l0-21swapper/322:26:043
111391170,0ptp4l0-21swapper/200:22:182
111391170,0ptp4l0-21swapper/020:01:240
111391160,0ptp4l0-21swapper/622:15:516
111391160,0ptp4l0-21swapper/622:15:516
111391160,0ptp4l0-21swapper/520:51:145
111391160,0ptp4l0-21swapper/420:32:214
111391160,0ptp4l0-21swapper/419:33:084
111391160,0ptp4l0-21swapper/221:41:392
111391160,0ptp4l0-21swapper/121:05:511
111391160,0ptp4l0-21swapper/120:20:211
111391160,0ptp4l0-21swapper/119:29:251
111391150,0ptp4l0-21swapper/622:55:486
111391150,0ptp4l0-21swapper/621:27:576
111391150,0ptp4l0-21swapper/619:42:486
111391150,0ptp4l0-21swapper/521:09:545
111391150,0ptp4l0-21swapper/520:45:415
111391150,0ptp4l0-21swapper/322:49:463
111391150,0ptp4l0-21swapper/221:27:552
111391150,0ptp4l0-21swapper/221:01:442
111391150,0ptp4l0-21swapper/220:21:212
111391150,0ptp4l0-21swapper/219:42:522
111391150,0ptp4l0-21swapper/219:34:432
111391150,0ptp4l0-21swapper/120:45:391
111391150,0ptp4l0-21swapper/019:21:520
10006991511,3cyclictest8932-21munin-run21:20:002
111391140,0ptp4l0-21swapper/721:39:107
111391140,0ptp4l0-21swapper/720:06:397
111391140,0ptp4l0-21swapper/719:57:137
111391140,0ptp4l0-21swapper/719:32:257
111391140,0ptp4l0-21swapper/621:08:096
111391140,0ptp4l0-21swapper/621:01:436
111391140,0ptp4l0-21swapper/620:06:276
111391140,0ptp4l0-21swapper/321:39:103
111391140,0ptp4l0-21swapper/321:20:413
111391140,0ptp4l0-21swapper/320:17:003
111391140,0ptp4l0-21swapper/320:06:393
111391140,0ptp4l0-21swapper/319:57:133
111391140,0ptp4l0-21swapper/319:32:253
111391140,0ptp4l0-21swapper/220:06:252
111391140,0ptp4l0-21swapper/219:17:062
20912120,0sleep60-21swapper/600:38:146
1004099110,10cyclictest1905-21ssh22:32:477
1004099110,10cyclictest0-21swapper/723:22:307
1004099110,10cyclictest0-21swapper/721:45:327
1004099110,10cyclictest0-21swapper/721:41:377
1004099110,10cyclictest0-21swapper/720:10:187
1003499119,1cyclictest0-21swapper/620:30:166
1003499110,10cyclictest665-21diskmemload21:48:136
1001299110,1cyclictest0-21swapper/322:32:473
1001299110,10cyclictest0-21swapper/323:26:453
1001299110,10cyclictest0-21swapper/322:57:283
1004099109,0cyclictest0-21swapper/723:57:147
1004099109,0cyclictest0-21swapper/721:30:367
1004099109,0cyclictest0-21swapper/700:32:367
1004099100,9cyclictest0-21swapper/723:26:457
1004099100,9cyclictest0-21swapper/722:17:087
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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