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2026-08-25 - 04:43

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 Aug 25, 2026 00:46:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48542640,0sleep60-21swapper/622:10:106
263162630,0sleep40-21swapper/421:05:194
111391620,30ptp4l0-21swapper/119:06:301
111391620,30ptp4l0-21swapper/119:06:301
305532610,0sleep557-21ksoftirqd/522:00:165
1881916150,6phc2sys0-21swapper/419:06:174
1881916150,6phc2sys0-21swapper/419:06:174
111391610,5ptp4l0-21swapper/519:06:565
111391610,5ptp4l0-21swapper/519:06:555
111391610,28ptp4l0-21swapper/019:07:090
111391610,28ptp4l0-21swapper/019:07:090
43212600,0sleep70-21swapper/700:35:187
36082600,0sleep20-21swapper/200:35:142
324225544,6sleep70-21swapper/719:07:427
324225544,6sleep70-21swapper/719:07:427
307825343,6sleep20-21swapper/219:05:362
307825343,6sleep20-21swapper/219:05:352
315524938,6sleep60-21swapper/619:06:376
315524938,6sleep60-21swapper/619:06:366
178124634,7sleep30-21swapper/319:05:133
178124634,7sleep30-21swapper/319:05:123
111391380,0ptp4l0-21swapper/120:30:001
111391340,0ptp4l0-21swapper/521:40:155
111391340,0ptp4l0-21swapper/521:40:155
111391340,0ptp4l0-21swapper/500:05:145
111391340,0ptp4l0-21swapper/000:20:170
111391340,0ptp4l0-21swapper/000:20:170
111391330,0ptp4l0-21swapper/522:25:405
111391330,0ptp4l0-21swapper/521:34:415
111391330,0ptp4l0-21swapper/022:50:120
111391320,0ptp4l0-21swapper/520:15:225
111391310,4ptp4l32708-21ssh22:03:460
111391310,0ptp4l0-21swapper/523:57:045
111391310,0ptp4l0-21swapper/523:24:525
111391310,0ptp4l0-21swapper/522:15:125
111391310,0ptp4l0-21swapper/323:06:483
111391310,0ptp4l0-21swapper/022:24:380
111391310,0ptp4l0-21swapper/022:16:150
111391310,0ptp4l0-21swapper/021:20:120
111391310,0ptp4l0-21swapper/000:26:280
111391300,0ptp4l0-21swapper/521:13:135
111391300,0ptp4l0-21swapper/422:36:544
111391300,0ptp4l0-21swapper/023:11:480
111391300,0ptp4l0-21swapper/022:45:000
111391290,0ptp4l0-21swapper/523:04:025
111391290,0ptp4l0-21swapper/522:56:295
111391290,0ptp4l0-21swapper/522:30:585
111391290,0ptp4l0-21swapper/521:55:415
111391290,0ptp4l0-21swapper/500:23:135
111391290,0ptp4l0-21swapper/500:23:135
111391290,0ptp4l0-21swapper/423:45:004
111391290,0ptp4l0-21swapper/400:34:374
111391290,0ptp4l0-21swapper/119:25:171
111391290,0ptp4l0-21swapper/021:32:080
111391290,0ptp4l0-21swapper/021:13:590
111391290,0ptp4l0-21swapper/021:05:180
111391280,2ptp4l0-21swapper/022:46:160
111391280,0ptp4l0-21swapper/123:33:521
111391280,0ptp4l0-21swapper/123:11:251
111391280,0ptp4l0-21swapper/023:55:430
111391280,0ptp4l0-21swapper/023:46:420
111391280,0ptp4l0-21swapper/023:29:060
111391280,0ptp4l0-21swapper/021:52:290
111391280,0ptp4l0-21swapper/000:10:370
111391280,0ptp4l0-21swapper/000:00:140
111391270,0ptp4l0-21swapper/522:12:355
111391270,0ptp4l0-21swapper/521:26:365
111391270,0ptp4l0-21swapper/521:19:205
111391270,0ptp4l0-21swapper/423:04:574
111391270,0ptp4l0-21swapper/422:07:094
111391270,0ptp4l0-21swapper/421:51:494
111391270,0ptp4l0-21swapper/121:33:121
111391270,0ptp4l0-21swapper/121:19:281
111391270,0ptp4l0-21swapper/121:11:361
111391270,0ptp4l0-21swapper/100:25:541
111391270,0ptp4l0-21swapper/023:16:240
111391270,0ptp4l0-21swapper/023:00:070
111391270,0ptp4l0-21swapper/022:13:130
111391260,0ptp4l0-21swapper/523:28:525
111391260,0ptp4l0-21swapper/423:53:464
111391260,0ptp4l0-21swapper/423:16:404
111391260,0ptp4l0-21swapper/422:41:294
111391260,0ptp4l0-21swapper/421:49:104
111391260,0ptp4l0-21swapper/421:49:104
111391260,0ptp4l0-21swapper/400:18:154
111391260,0ptp4l0-21swapper/400:18:154
111391260,0ptp4l0-21swapper/123:49:531
111391260,0ptp4l0-21swapper/123:25:221
111391260,0ptp4l0-21swapper/122:57:321
111391260,0ptp4l0-21swapper/122:51:131
111391260,0ptp4l0-21swapper/122:30:171
111391260,0ptp4l0-21swapper/100:15:431
111391260,0ptp4l0-21swapper/100:15:431
111391260,0ptp4l0-21swapper/023:52:410
111391260,0ptp4l0-21swapper/023:44:090
111391250,2ptp4l0-21swapper/500:27:345
111391250,2ptp4l0-21swapper/020:13:430
111391250,1ptp4l22455-21munin-run19:50:015
111391250,1ptp4l2190-21df_inode20:15:130
111391250,0ptp4l121rcu_preempt22:27:041
111391250,0ptp4l0-21swapper/523:47:585
111391250,0ptp4l0-21swapper/520:51:315
111391250,0ptp4l0-21swapper/500:04:325
111391250,0ptp4l0-21swapper/422:59:494
111391250,0ptp4l0-21swapper/422:24:094
111391250,0ptp4l0-21swapper/421:25:494
111391250,0ptp4l0-21swapper/421:21:234
111391250,0ptp4l0-21swapper/123:43:221
111391250,0ptp4l0-21swapper/123:23:391
111391250,0ptp4l0-21swapper/119:45:201
111391250,0ptp4l0-21swapper/100:23:231
111391250,0ptp4l0-21swapper/100:23:231
111391250,0ptp4l0-21swapper/100:08:191
111391250,0ptp4l0-21swapper/023:33:030
111391250,0ptp4l0-21swapper/022:05:130
111391250,0ptp4l0-21swapper/020:50:200
111391240,2ptp4l0-21swapper/523:54:085
111391240,1ptp4l978-21sed00:30:210
111391240,1ptp4l6664-21missed_timers19:15:024
111391240,1ptp4l6574-21netstat19:15:010
111391240,1ptp4l6572-21basename23:00:000
111391240,1ptp4l32366-21find23:35:310
111391240,1ptp4l29201-21diskstats22:45:124
111391240,1ptp4l19351-21smartctl19:40:201
111391240,1ptp4l15518-21sh21:39:054
111391240,1ptp4l14633-21missed_timers23:10:164
111391240,1ptp4l13065-21kworker/1:021:20:351
111391240,0ptp4l0-21swapper/523:35:035
111391240,0ptp4l0-21swapper/523:18:545
111391240,0ptp4l0-21swapper/522:25:015
111391240,0ptp4l0-21swapper/521:53:495
111391240,0ptp4l0-21swapper/520:30:175
111391240,0ptp4l0-21swapper/420:20:144
111391240,0ptp4l0-21swapper/420:10:004
111391240,0ptp4l0-21swapper/419:55:184
111391240,0ptp4l0-21swapper/400:35:524
111391240,0ptp4l0-21swapper/400:08:504
111391240,0ptp4l0-21swapper/121:45:161
111391240,0ptp4l0-21swapper/121:45:161
111391240,0ptp4l0-21swapper/121:35:181
111391240,0ptp4l0-21swapper/120:15:421
111391240,0ptp4l0-21swapper/119:35:121
111391240,0ptp4l0-21swapper/023:20:160
111391240,0ptp4l0-21swapper/023:05:150
111391240,0ptp4l0-21swapper/022:35:110
111391240,0ptp4l0-21swapper/000:35:200
111391230,1ptp4l721ktimersoftd/723:26:207
111391230,1ptp4l11612-21ssh23:57:111
111391230,0ptp4l0-21swapper/722:52:597
111391230,0ptp4l0-21swapper/722:38:077
111391230,0ptp4l0-21swapper/521:45:165
111391230,0ptp4l0-21swapper/521:45:165
111391230,0ptp4l0-21swapper/521:35:135
111391230,0ptp4l0-21swapper/521:05:125
111391230,0ptp4l0-21swapper/520:40:205
111391230,0ptp4l0-21swapper/520:29:445
111391230,0ptp4l0-21swapper/519:40:135
111391230,0ptp4l0-21swapper/519:30:115
111391230,0ptp4l0-21swapper/519:25:125
111391230,0ptp4l0-21swapper/500:35:115
111391230,0ptp4l0-21swapper/500:19:475
111391230,0ptp4l0-21swapper/500:19:465
111391230,0ptp4l0-21swapper/423:35:274
111391230,0ptp4l0-21swapper/423:30:164
111391230,0ptp4l0-21swapper/423:28:184
111391230,0ptp4l0-21swapper/423:20:174
111391230,0ptp4l0-21swapper/423:07:094
111391230,0ptp4l0-21swapper/422:34:194
111391230,0ptp4l0-21swapper/422:15:194
111391230,0ptp4l0-21swapper/421:40:134
111391230,0ptp4l0-21swapper/421:40:134
111391230,0ptp4l0-21swapper/421:30:214
111391230,0ptp4l0-21swapper/421:15:184
111391230,0ptp4l0-21swapper/421:10:384
111391230,0ptp4l0-21swapper/420:55:114
111391230,0ptp4l0-21swapper/420:50:134
111391230,0ptp4l0-21swapper/420:35:204
111391230,0ptp4l0-21swapper/420:25:154
111391230,0ptp4l0-21swapper/419:50:164
111391230,0ptp4l0-21swapper/419:10:144
111391230,0ptp4l0-21swapper/400:25:124
111391230,0ptp4l0-21swapper/400:24:364
111391230,0ptp4l0-21swapper/400:24:354
111391230,0ptp4l0-21swapper/400:00:164
111391230,0ptp4l0-21swapper/123:18:061
111391230,0ptp4l0-21swapper/122:00:011
111391230,0ptp4l0-21swapper/121:55:071
111391230,0ptp4l0-21swapper/121:40:141
111391230,0ptp4l0-21swapper/121:40:141
111391230,0ptp4l0-21swapper/121:00:121
111391230,0ptp4l0-21swapper/120:30:171
111391230,0ptp4l0-21swapper/120:05:171
111391230,0ptp4l0-21swapper/119:30:181
111391230,0ptp4l0-21swapper/119:20:191
111391230,0ptp4l0-21swapper/100:35:181
111391230,0ptp4l0-21swapper/021:55:220
111391230,0ptp4l0-21swapper/021:43:580
111391230,0ptp4l0-21swapper/021:43:580
111391230,0ptp4l0-21swapper/021:25:160
111391230,0ptp4l0-21swapper/021:17:030
111391230,0ptp4l0-21swapper/021:00:170
111391230,0ptp4l0-21swapper/020:25:170
111391230,0ptp4l0-21swapper/020:20:160
111391230,0ptp4l0-21swapper/020:05:170
111391230,0ptp4l0-21swapper/019:50:170
111391230,0ptp4l0-21swapper/019:10:160
111391220,3ptp4l401ktimersoftd/319:23:343
111391220,0ptp4l1068-21runrttasks23:03:561
111391220,0ptp4l0-21swapper/720:00:197
111391220,0ptp4l0-21swapper/621:30:196
111391220,0ptp4l0-21swapper/523:42:275
111391220,0ptp4l0-21swapper/523:32:255
111391220,0ptp4l0-21swapper/523:10:445
111391220,0ptp4l0-21swapper/522:51:195
111391220,0ptp4l0-21swapper/522:47:565
111391220,0ptp4l0-21swapper/522:39:545
111391220,0ptp4l0-21swapper/522:07:305
111391220,0ptp4l0-21swapper/521:00:005
111391220,0ptp4l0-21swapper/519:35:145
111391220,0ptp4l0-21swapper/519:20:195
111391220,0ptp4l0-21swapper/500:12:545
111391220,0ptp4l0-21swapper/423:55:084
111391220,0ptp4l0-21swapper/423:46:434
111391220,0ptp4l0-21swapper/422:50:124
111391220,0ptp4l0-21swapper/422:25:144
111391220,0ptp4l0-21swapper/422:11:354
111391220,0ptp4l0-21swapper/422:01:384
111391220,0ptp4l0-21swapper/421:56:404
111391220,0ptp4l0-21swapper/420:45:124
111391220,0ptp4l0-21swapper/420:10:134
111391220,0ptp4l0-21swapper/420:00:004
111391220,0ptp4l0-21swapper/419:22:574
111391220,0ptp4l0-21swapper/400:10:144
111391220,0ptp4l0-21swapper/323:30:483
111391220,0ptp4l0-21swapper/322:53:243
111391220,0ptp4l0-21swapper/322:38:423
111391220,0ptp4l0-21swapper/321:40:513
111391220,0ptp4l0-21swapper/321:40:513
111391220,0ptp4l0-21swapper/320:00:193
111391220,0ptp4l0-21swapper/221:30:172
111391220,0ptp4l0-21swapper/123:53:011
111391220,0ptp4l0-21swapper/123:35:451
111391220,0ptp4l0-21swapper/122:40:391
111391220,0ptp4l0-21swapper/122:39:231
111391220,0ptp4l0-21swapper/122:15:131
111391220,0ptp4l0-21swapper/122:14:311
111391220,0ptp4l0-21swapper/122:05:311
111391220,0ptp4l0-21swapper/121:51:321
111391220,0ptp4l0-21swapper/121:26:591
111391220,0ptp4l0-21swapper/121:05:011
111391220,0ptp4l0-21swapper/121:00:001
111391220,0ptp4l0-21swapper/120:12:101
111391220,0ptp4l0-21swapper/100:32:421
111391220,0ptp4l0-21swapper/100:00:011
111391220,0ptp4l0-21swapper/022:31:090
111391220,0ptp4l0-21swapper/022:25:150
111391220,0ptp4l0-21swapper/021:47:140
111391220,0ptp4l0-21swapper/021:47:140
111391220,0ptp4l0-21swapper/021:37:020
111391220,0ptp4l0-21swapper/020:55:140
111391220,0ptp4l0-21swapper/020:45:130
111391220,0ptp4l0-21swapper/020:35:140
111391220,0ptp4l0-21swapper/020:00:120
111391220,0ptp4l0-21swapper/019:55:160
111391220,0ptp4l0-21swapper/000:15:060
111391220,0ptp4l0-21swapper/000:15:060
111391220,0ptp4l0-21swapper/000:08:340
111391210,2ptp4l0-21swapper/120:54:521
111391210,2ptp4l0-21swapper/120:01:581
111391210,0ptp4l0-21swapper/723:06:037
111391210,0ptp4l0-21swapper/721:40:597
111391210,0ptp4l0-21swapper/721:40:597
111391210,0ptp4l0-21swapper/621:41:566
111391210,0ptp4l0-21swapper/621:41:556
111391210,0ptp4l0-21swapper/621:04:276
111391210,0ptp4l0-21swapper/523:08:485
111391210,0ptp4l0-21swapper/522:40:245
111391210,0ptp4l0-21swapper/521:22:375
111391210,0ptp4l0-21swapper/520:37:075
111391210,0ptp4l0-21swapper/520:05:235
111391210,0ptp4l0-21swapper/519:55:525
111391210,0ptp4l0-21swapper/519:50:145
111391210,0ptp4l0-21swapper/500:32:315
111391210,0ptp4l0-21swapper/421:01:014
111391210,0ptp4l0-21swapper/420:15:134
111391210,0ptp4l0-21swapper/123:08:041
111391210,0ptp4l0-21swapper/122:45:381
111391210,0ptp4l0-21swapper/122:24:481
111391210,0ptp4l0-21swapper/119:57:001
111391210,0ptp4l0-21swapper/119:50:061
111391210,0ptp4l0-21swapper/119:16:371
111391210,0ptp4l0-21swapper/119:14:591
111391210,0ptp4l0-21swapper/100:14:091
111391210,0ptp4l0-21swapper/020:44:090
111391210,0ptp4l0-21swapper/019:44:100
111391210,0ptp4l0-21swapper/019:25:000
111391210,0ptp4l0-21swapper/019:20:150
111391200,2ptp4l0-21swapper/519:16:325
111391200,2ptp4l0-21swapper/019:48:190
111391200,0ptp4l0-21swapper/720:48:437
111391200,0ptp4l0-21swapper/623:31:276
111391200,0ptp4l0-21swapper/520:59:095
111391200,0ptp4l0-21swapper/520:02:045
111391200,0ptp4l0-21swapper/419:31:094
111391200,0ptp4l0-21swapper/323:58:223
111391200,0ptp4l0-21swapper/323:26:303
111391200,0ptp4l0-21swapper/223:31:292
111391200,0ptp4l0-21swapper/120:42:091
111391200,0ptp4l0-21swapper/120:37:081
111391200,0ptp4l0-21swapper/120:24:101
111391190,0ptp4l0-21swapper/723:58:207
111391190,0ptp4l0-21swapper/519:10:575
111391190,0ptp4l0-21swapper/419:44:564
111391190,0ptp4l0-21swapper/320:48:083
111391190,0ptp4l0-21swapper/222:45:462
111391190,0ptp4l0-21swapper/222:34:352
111391190,0ptp4l0-21swapper/120:47:071
111391180,0ptp4l0-21swapper/622:45:496
111391180,0ptp4l0-21swapper/620:12:556
111391180,0ptp4l0-21swapper/420:31:554
111391180,0ptp4l0-21swapper/419:47:204
111391180,0ptp4l0-21swapper/223:41:012
111391180,0ptp4l0-21swapper/221:41:572
111391180,0ptp4l0-21swapper/221:41:572
111391180,0ptp4l0-21swapper/200:02:152
111391170,0ptp4l0-21swapper/723:30:487
111391170,0ptp4l0-21swapper/520:10:365
111391170,0ptp4l0-21swapper/222:36:322
111391170,0ptp4l0-21swapper/020:31:480
49922160,0sleep74993-21grep22:55:217
111391160,0ptp4l0-21swapper/623:40:576
111391160,0ptp4l0-21swapper/520:46:565
111391160,0ptp4l0-21swapper/221:04:312
374499150,1cyclictest0-21swapper/722:00:197
272602150,0sleep70-21swapper/721:10:117
111391150,0ptp4l0-21swapper/621:05:396
111391150,0ptp4l0-21swapper/620:21:186
111391150,0ptp4l0-21swapper/620:04:566
111391150,0ptp4l0-21swapper/619:46:196
111391150,0ptp4l0-21swapper/619:37:486
111391150,0ptp4l0-21swapper/619:22:386
111391150,0ptp4l0-21swapper/520:23:345
111391150,0ptp4l0-21swapper/420:40:074
111391150,0ptp4l0-21swapper/419:35:014
111391150,0ptp4l0-21swapper/419:25:074
111391150,0ptp4l0-21swapper/221:05:372
111391150,0ptp4l0-21swapper/220:12:442
111391150,0ptp4l0-21swapper/220:05:002
111391150,0ptp4l0-21swapper/219:46:192
111391150,0ptp4l0-21swapper/219:37:332
111391150,0ptp4l0-21swapper/219:22:402
111391150,0ptp4l0-21swapper/019:37:020
111391150,0ptp4l0-21swapper/019:30:590
111391140,0ptp4l0-21swapper/719:23:357
111391140,0ptp4l0-21swapper/620:56:306
111391140,0ptp4l0-21swapper/620:43:376
111391140,0ptp4l0-21swapper/620:05:016
111391140,0ptp4l0-21swapper/220:56:312
111391140,0ptp4l0-21swapper/220:43:362
111391140,0ptp4l0-21swapper/220:21:172
111391140,0ptp4l0-21swapper/220:04:562
111391130,0ptp4l0-21swapper/220:49:472
374499119,1cyclictest25999-21ssh21:54:107
374499113,0cyclictest0-21swapper/719:51:557
371699110,10cyclictest26800-21diskmemload23:15:123
374499109,0cyclictest0-21swapper/722:25:467
374499109,0cyclictest0-21swapper/721:27:087
374499109,0cyclictest0-21swapper/700:16:057
374499109,0cyclictest0-21swapper/700:16:057
374499100,9cyclictest0-21swapper/723:15:357
374499100,9cyclictest0-21swapper/722:09:347
374499100,0cyclictest0-21swapper/723:03:197
371699109,0cyclictest0-21swapper/323:43:203
371699100,9cyclictest0-21swapper/300:39:453
371699100,0cyclictest0-21swapper/322:23:493
371699100,0cyclictest0-21swapper/322:07:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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