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2026-03-21 - 13:45

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 Sat Mar 21, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140412650,0sleep00-21swapper/021:05:010
140412650,0sleep00-21swapper/021:05:010
111391620,5ptp4l0-21swapper/119:05:311
14432590,0sleep60-21swapper/600:35:186
2480425847,7sleep20-21swapper/219:07:372
111391580,5ptp4l0-21swapper/519:06:505
2492925735,7sleep70-21swapper/719:09:197
2487925645,7sleep40-21swapper/419:08:364
2463225533,7sleep60-21swapper/619:05:346
2489524836,7sleep00-21swapper/019:08:480
2476124836,7sleep30-21swapper/319:07:073
111391330,0ptp4l0-21swapper/420:20:214
111391320,0ptp4l0-21swapper/021:42:280
111391310,7ptp4l0-21swapper/500:28:585
111391310,3ptp4l0-21swapper/420:25:194
111391310,0ptp4l0-21swapper/522:37:175
111391310,0ptp4l0-21swapper/023:57:420
111391310,0ptp4l0-21swapper/023:50:150
111391300,1ptp4l10504-21ps21:45:160
111391300,0ptp4l27411-21ssh22:10:090
111391300,0ptp4l0-21swapper/423:40:154
111391300,0ptp4l0-21swapper/423:40:154
111391300,0ptp4l0-21swapper/423:00:154
111391300,0ptp4l0-21swapper/420:55:134
111391300,0ptp4l0-21swapper/021:35:180
111391290,0ptp4l0-21swapper/423:33:204
111391290,0ptp4l0-21swapper/421:49:394
111391290,0ptp4l0-21swapper/421:36:144
111391290,0ptp4l0-21swapper/120:35:121
111391290,0ptp4l0-21swapper/120:14:351
111391290,0ptp4l0-21swapper/100:23:471
111391290,0ptp4l0-21swapper/100:02:171
111391290,0ptp4l0-21swapper/022:34:080
111391290,0ptp4l0-21swapper/022:21:020
111391290,0ptp4l0-21swapper/021:28:110
111391280,0ptp4l0-21swapper/700:35:137
111391280,0ptp4l0-21swapper/422:17:434
111391280,0ptp4l0-21swapper/422:14:344
111391280,0ptp4l0-21swapper/421:51:074
111391280,0ptp4l0-21swapper/421:10:034
111391280,0ptp4l0-21swapper/221:50:442
111391280,0ptp4l0-21swapper/122:03:421
111391280,0ptp4l0-21swapper/022:56:290
111391280,0ptp4l0-21swapper/022:25:560
111391270,0ptp4l0-21swapper/421:42:494
111391270,0ptp4l0-21swapper/122:10:581
111391270,0ptp4l0-21swapper/121:55:211
111391270,0ptp4l0-21swapper/021:15:090
111391270,0ptp4l0-21swapper/020:55:170
111391270,0ptp4l0-21swapper/020:05:220
111391260,0ptp4l0-21swapper/523:30:165
111391260,0ptp4l0-21swapper/523:14:305
111391260,0ptp4l0-21swapper/523:07:385
111391260,0ptp4l0-21swapper/522:50:215
111391260,0ptp4l0-21swapper/522:49:375
111391260,0ptp4l0-21swapper/521:33:115
111391260,0ptp4l0-21swapper/521:17:385
111391260,0ptp4l0-21swapper/500:13:465
111391260,0ptp4l0-21swapper/423:55:134
111391260,0ptp4l0-21swapper/423:25:504
111391260,0ptp4l0-21swapper/423:20:494
111391260,0ptp4l0-21swapper/422:59:544
111391260,0ptp4l0-21swapper/420:15:124
111391250,2ptp4l0-21swapper/422:54:034
111391250,2ptp4l0-21swapper/122:37:531
111391250,1ptp4l31743-21smart_sda19:20:180
111391250,1ptp4l16977-21fw_forwarded_lo21:55:120
111391250,0ptp4l0-21swapper/523:41:475
111391250,0ptp4l0-21swapper/523:41:465
111391250,0ptp4l0-21swapper/521:56:495
111391250,0ptp4l0-21swapper/423:39:104
111391250,0ptp4l0-21swapper/423:39:104
111391250,0ptp4l0-21swapper/422:00:194
111391250,0ptp4l0-21swapper/400:22:414
111391250,0ptp4l0-21swapper/120:05:181
111391250,0ptp4l0-21swapper/100:28:421
111391250,0ptp4l0-21swapper/023:30:550
111391250,0ptp4l0-21swapper/023:11:500
111391250,0ptp4l0-21swapper/023:05:220
111391250,0ptp4l0-21swapper/022:15:170
111391250,0ptp4l0-21swapper/021:53:450
111391250,0ptp4l0-21swapper/000:31:300
111391240,2ptp4l0-21swapper/423:47:344
111391240,1ptp4l9213-21diskstats00:00:110
111391240,1ptp4l6084-21/usr/sbin/munin22:25:134
111391240,1ptp4l32710-21cpu20:35:125
111391240,1ptp4l24804-21munin-run00:25:005
111391240,1ptp4l16478-21/usr/sbin/munin22:40:140
111391240,1ptp4l13197-21/usr/sbin/munin22:35:124
111391240,0ptp4l0-21swapper/721:51:187
111391240,0ptp4l0-21swapper/719:40:167
111391240,0ptp4l0-21swapper/521:50:225
111391240,0ptp4l0-21swapper/521:00:335
111391240,0ptp4l0-21swapper/521:00:335
111391240,0ptp4l0-21swapper/520:53:115
111391240,0ptp4l0-21swapper/520:05:195
111391240,0ptp4l0-21swapper/422:40:164
111391240,0ptp4l0-21swapper/421:27:054
111391240,0ptp4l0-21swapper/420:55:004
111391240,0ptp4l0-21swapper/419:45:134
111391240,0ptp4l0-21swapper/400:10:154
111391240,0ptp4l0-21swapper/123:38:341
111391240,0ptp4l0-21swapper/123:38:341
111391240,0ptp4l0-21swapper/123:22:391
111391240,0ptp4l0-21swapper/122:33:351
111391240,0ptp4l0-21swapper/120:40:211
111391240,0ptp4l0-21swapper/119:45:141
111391240,0ptp4l0-21swapper/119:21:431
111391240,0ptp4l0-21swapper/100:10:181
111391240,0ptp4l0-21swapper/023:43:300
111391240,0ptp4l0-21swapper/023:43:300
111391240,0ptp4l0-21swapper/023:35:430
111391240,0ptp4l0-21swapper/023:35:430
111391240,0ptp4l0-21swapper/023:21:440
111391240,0ptp4l0-21swapper/023:17:220
111391240,0ptp4l0-21swapper/023:00:290
111391240,0ptp4l0-21swapper/022:35:190
111391240,0ptp4l0-21swapper/019:38:160
111391240,0ptp4l0-21swapper/019:25:160
111391240,0ptp4l0-21swapper/000:38:010
111391240,0ptp4l0-21swapper/000:27:200
111391230,1ptp4l8956-21acpi00:00:104
111391230,1ptp4l19890-21ssh22:45:084
111391230,0ptp4l16014-21diskmemload23:20:125
111391230,0ptp4l0-21swapper/722:30:117
111391230,0ptp4l0-21swapper/622:20:316
111391230,0ptp4l0-21swapper/523:51:415
111391230,0ptp4l0-21swapper/523:39:035
111391230,0ptp4l0-21swapper/523:39:035
111391230,0ptp4l0-21swapper/523:15:125
111391230,0ptp4l0-21swapper/523:01:225
111391230,0ptp4l0-21swapper/522:25:025
111391230,0ptp4l0-21swapper/522:05:165
111391230,0ptp4l0-21swapper/522:00:215
111391230,0ptp4l0-21swapper/521:35:175
111391230,0ptp4l0-21swapper/500:37:085
111391230,0ptp4l0-21swapper/423:50:124
111391230,0ptp4l0-21swapper/423:12:444
111391230,0ptp4l0-21swapper/423:05:114
111391230,0ptp4l0-21swapper/422:20:044
111391230,0ptp4l0-21swapper/422:05:244
111391230,0ptp4l0-21swapper/421:58:364
111391230,0ptp4l0-21swapper/421:15:184
111391230,0ptp4l0-21swapper/420:10:134
111391230,0ptp4l0-21swapper/420:00:174
111391230,0ptp4l0-21swapper/419:10:134
111391230,0ptp4l0-21swapper/400:37:584
111391230,0ptp4l0-21swapper/400:30:304
111391230,0ptp4l0-21swapper/400:15:154
111391230,0ptp4l0-21swapper/322:30:173
111391230,0ptp4l0-21swapper/300:35:183
111391230,0ptp4l0-21swapper/123:50:161
111391230,0ptp4l0-21swapper/123:30:191
111391230,0ptp4l0-21swapper/123:15:121
111391230,0ptp4l0-21swapper/122:50:121
111391230,0ptp4l0-21swapper/122:45:191
111391230,0ptp4l0-21swapper/122:43:011
111391230,0ptp4l0-21swapper/122:09:121
111391230,0ptp4l0-21swapper/121:48:371
111391230,0ptp4l0-21swapper/121:35:141
111391230,0ptp4l0-21swapper/120:45:191
111391230,0ptp4l0-21swapper/120:30:111
111391230,0ptp4l0-21swapper/119:50:121
111391230,0ptp4l0-21swapper/119:10:131
111391230,0ptp4l0-21swapper/100:39:401
111391230,0ptp4l0-21swapper/023:45:190
111391230,0ptp4l0-21swapper/023:25:120
111391230,0ptp4l0-21swapper/022:45:160
111391230,0ptp4l0-21swapper/022:10:000
111391230,0ptp4l0-21swapper/021:30:110
111391230,0ptp4l0-21swapper/021:20:160
111391230,0ptp4l0-21swapper/021:12:300
111391230,0ptp4l0-21swapper/020:38:300
111391230,0ptp4l0-21swapper/020:20:120
111391230,0ptp4l0-21swapper/020:10:120
111391230,0ptp4l0-21swapper/020:00:110
111391230,0ptp4l0-21swapper/019:55:120
111391230,0ptp4l0-21swapper/019:30:200
111391230,0ptp4l0-21swapper/000:21:020
111391230,0ptp4l0-21swapper/000:15:120
111391220,0ptp4l16014-21diskmemload23:45:431
111391220,0ptp4l14385-21conntrack21:05:120
111391220,0ptp4l0-21swapper/721:30:427
111391220,0ptp4l0-21swapper/721:10:497
111391220,0ptp4l0-21swapper/700:34:187
111391220,0ptp4l0-21swapper/523:59:405
111391220,0ptp4l0-21swapper/523:48:575
111391220,0ptp4l0-21swapper/523:25:155
111391220,0ptp4l0-21swapper/522:21:325
111391220,0ptp4l0-21swapper/522:11:085
111391220,0ptp4l0-21swapper/521:47:225
111391220,0ptp4l0-21swapper/521:44:165
111391220,0ptp4l0-21swapper/521:25:195
111391220,0ptp4l0-21swapper/520:45:195
111391220,0ptp4l0-21swapper/520:40:165
111391220,0ptp4l0-21swapper/519:58:015
111391220,0ptp4l0-21swapper/519:50:135
111391220,0ptp4l0-21swapper/519:35:175
111391220,0ptp4l0-21swapper/519:15:125
111391220,0ptp4l0-21swapper/519:10:125
111391220,0ptp4l0-21swapper/500:32:205
111391220,0ptp4l0-21swapper/500:18:405
111391220,0ptp4l0-21swapper/423:17:084
111391220,0ptp4l0-21swapper/422:31:564
111391220,0ptp4l0-21swapper/421:30:134
111391220,0ptp4l0-21swapper/421:20:114
111391220,0ptp4l0-21swapper/421:05:144
111391220,0ptp4l0-21swapper/421:00:014
111391220,0ptp4l0-21swapper/421:00:014
111391220,0ptp4l0-21swapper/420:37:384
111391220,0ptp4l0-21swapper/420:30:164
111391220,0ptp4l0-21swapper/420:10:004
111391220,0ptp4l0-21swapper/419:36:194
111391220,0ptp4l0-21swapper/419:25:134
111391220,0ptp4l0-21swapper/419:20:194
111391220,0ptp4l0-21swapper/400:25:214
111391220,0ptp4l0-21swapper/400:05:114
111391220,0ptp4l0-21swapper/323:23:443
111391220,0ptp4l0-21swapper/319:40:183
111391220,0ptp4l0-21swapper/300:34:543
111391220,0ptp4l0-21swapper/300:06:543
111391220,0ptp4l0-21swapper/223:36:542
111391220,0ptp4l0-21swapper/223:36:542
111391220,0ptp4l0-21swapper/123:56:451
111391220,0ptp4l0-21swapper/123:41:451
111391220,0ptp4l0-21swapper/123:41:451
111391220,0ptp4l0-21swapper/123:25:131
111391220,0ptp4l0-21swapper/123:13:141
111391220,0ptp4l0-21swapper/123:07:141
111391220,0ptp4l0-21swapper/123:02:161
111391220,0ptp4l0-21swapper/122:27:441
111391220,0ptp4l0-21swapper/122:21:361
111391220,0ptp4l0-21swapper/121:50:171
111391220,0ptp4l0-21swapper/121:44:121
111391220,0ptp4l0-21swapper/121:31:281
111391220,0ptp4l0-21swapper/121:25:181
111391220,0ptp4l0-21swapper/121:21:081
111391220,0ptp4l0-21swapper/121:15:361
111391220,0ptp4l0-21swapper/121:11:441
111391220,0ptp4l0-21swapper/121:10:011
111391220,0ptp4l0-21swapper/121:00:211
111391220,0ptp4l0-21swapper/121:00:211
111391220,0ptp4l0-21swapper/120:50:101
111391220,0ptp4l0-21swapper/120:15:171
111391220,0ptp4l0-21swapper/120:02:591
111391220,0ptp4l0-21swapper/119:35:111
111391220,0ptp4l0-21swapper/119:25:441
111391220,0ptp4l0-21swapper/119:15:141
111391220,0ptp4l0-21swapper/100:30:481
111391220,0ptp4l0-21swapper/100:19:271
111391220,0ptp4l0-21swapper/022:54:500
111391220,0ptp4l0-21swapper/022:00:140
111391220,0ptp4l0-21swapper/020:50:190
111391220,0ptp4l0-21swapper/020:30:150
111391220,0ptp4l0-21swapper/020:25:130
111391220,0ptp4l0-21swapper/020:15:170
111391220,0ptp4l0-21swapper/019:45:120
111391220,0ptp4l0-21swapper/019:42:510
111391220,0ptp4l0-21swapper/019:10:140
111391220,0ptp4l0-21swapper/000:10:110
111391220,0ptp4l0-21swapper/000:05:120
111391210,2ptp4l0-21swapper/519:27:485
111391210,0ptp4l0-21swapper/721:24:087
111391210,0ptp4l0-21swapper/700:06:587
111391210,0ptp4l0-21swapper/622:16:046
111391210,0ptp4l0-21swapper/622:01:026
111391210,0ptp4l0-21swapper/621:50:486
111391210,0ptp4l0-21swapper/522:33:345
111391210,0ptp4l0-21swapper/521:20:585
111391210,0ptp4l0-21swapper/521:11:045
111391210,0ptp4l0-21swapper/520:30:015
111391210,0ptp4l0-21swapper/520:11:355
111391210,0ptp4l0-21swapper/500:05:535
111391210,0ptp4l0-21swapper/500:01:245
111391210,0ptp4l0-21swapper/420:40:014
111391210,0ptp4l0-21swapper/419:55:184
111391210,0ptp4l0-21swapper/419:30:144
111391210,0ptp4l0-21swapper/419:17:354
111391210,0ptp4l0-21swapper/321:51:483
111391210,0ptp4l0-21swapper/222:20:472
111391210,0ptp4l0-21swapper/222:01:102
111391200,0ptp4l0-21swapper/723:23:327
111391200,0ptp4l0-21swapper/623:36:566
111391200,0ptp4l0-21swapper/623:36:566
111391200,0ptp4l0-21swapper/522:41:545
111391200,0ptp4l0-21swapper/521:06:165
111391200,0ptp4l0-21swapper/520:23:435
111391200,0ptp4l0-21swapper/520:15:225
111391200,0ptp4l0-21swapper/420:46:454
111391200,0ptp4l0-21swapper/419:42:444
111391200,0ptp4l0-21swapper/322:52:293
111391200,0ptp4l0-21swapper/321:30:473
111391200,0ptp4l0-21swapper/321:23:313
111391200,0ptp4l0-21swapper/321:10:563
111391200,0ptp4l0-21swapper/221:28:592
111391200,0ptp4l0-21swapper/120:29:191
111391200,0ptp4l0-21swapper/119:44:041
111391200,0ptp4l0-21swapper/119:32:351
111391200,0ptp4l0-21swapper/020:47:360
182602190,0sleep60-21swapper/621:10:596
111391190,0ptp4l0-21swapper/722:52:287
111391190,0ptp4l0-21swapper/621:18:296
111391190,0ptp4l0-21swapper/600:27:006
111391190,0ptp4l0-21swapper/522:58:035
111391190,0ptp4l0-21swapper/519:47:445
111391190,0ptp4l0-21swapper/322:29:523
111391190,0ptp4l0-21swapper/222:26:412
111391190,0ptp4l0-21swapper/122:18:101
111391190,0ptp4l0-21swapper/100:05:571
111391190,0ptp4l0-21swapper/019:51:530
111391180,0ptp4l1061-21snmpd19:19:000
111391180,0ptp4l0-21swapper/720:54:167
111391180,0ptp4l0-21swapper/622:26:426
111391180,0ptp4l0-21swapper/522:15:245
111391180,0ptp4l0-21swapper/221:18:252
111391170,0ptp4l0-21swapper/621:28:586
111391170,0ptp4l0-21swapper/322:02:183
111391170,0ptp4l0-21swapper/222:54:352
111391170,0ptp4l0-21swapper/221:09:082
2529399160,15cyclictest11423-21munin-run21:00:006
111391160,0ptp4l0-21swapper/520:03:085
111391160,0ptp4l0-21swapper/519:20:455
111391160,0ptp4l0-21swapper/419:52:334
111391160,0ptp4l0-21swapper/222:46:002
111391160,0ptp4l0-21swapper/200:26:592
111391160,0ptp4l0-21swapper/122:58:021
111391160,0ptp4l0-21swapper/120:21:351
111391160,0ptp4l0-21swapper/119:59:071
111391150,0ptp4l0-21swapper/722:02:177
111391150,0ptp4l0-21swapper/719:39:447
111391150,0ptp4l0-21swapper/719:31:387
111391150,0ptp4l0-21swapper/520:28:255
111391150,0ptp4l0-21swapper/519:41:345
111391150,0ptp4l0-21swapper/519:30:225
111391150,0ptp4l0-21swapper/323:26:223
111391150,0ptp4l0-21swapper/320:54:083
111391150,0ptp4l0-21swapper/319:39:513
111391150,0ptp4l0-21swapper/319:31:403
111391150,0ptp4l0-21swapper/222:16:032
111391150,0ptp4l0-21swapper/220:20:012
111391150,0ptp4l0-21swapper/020:40:010
111391140,0ptp4l0-21swapper/722:29:537
111391140,0ptp4l0-21swapper/721:05:417
111391140,0ptp4l0-21swapper/622:54:356
111391140,0ptp4l0-21swapper/621:09:006
111391140,0ptp4l0-21swapper/620:20:026
111391140,0ptp4l0-21swapper/619:42:236
111391140,0ptp4l0-21swapper/321:05:403
111391140,0ptp4l0-21swapper/219:42:212
25300991311,1cyclictest1740-21turbostat22:20:007
2530099129,2cyclictest19770-21turbostat22:00:007
2530099119,1cyclictest0-21swapper/722:07:037
2527199110,10cyclictest14665-21ssh22:35:523
2530099100,9cyclictest0-21swapper/721:40:577
2530099100,0cyclictest0-21swapper/723:50:187
2530099100,0cyclictest0-21swapper/723:10:517
2527199100,9cyclictest0-21swapper/323:08:143
2527199100,9cyclictest0-21swapper/300:20:323
2527199100,0cyclictest0-21swapper/323:53:583
2527199100,0cyclictest0-21swapper/322:15:073
253009998,0cyclictest0-21swapper/722:24:397
253009990,8cyclictest0-21swapper/700:12:087
253009990,0cyclictest0-21swapper/722:46:487
252649998,0cyclictest0-21swapper/200:35:342
252649998,0cyclictest0-21swapper/200:03:212
252649990,1cyclictest0-21swapper/220:55:132
252649990,0cyclictest0-21swapper/223:16:592
252939984,2cyclictest770-21gdbus23:00:006
252939980,7cyclictest0-21swapper/623:11:046
252939980,7cyclictest0-21swapper/621:47:466
252719980,3cyclictest0-21swapper/300:00:103
252649987,0cyclictest0-21swapper/223:44:582
252649987,0cyclictest0-21swapper/223:44:582
252649987,0cyclictest0-21swapper/221:49:182
252649980,7cyclictest0-21swapper/222:57:022
252649980,7cyclictest0-21swapper/221:22:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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