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2025-12-23 - 11:33

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 Dec 23, 2025 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391650,28ptp4l0-21swapper/019:05:150
131982600,0sleep60-21swapper/623:35:126
245282570,0sleep10-21swapper/100:00:131
1881915735,6phc2sys0-21swapper/119:06:311
111391570,3ptp4l0-21swapper/419:09:544
1961525544,6sleep20-21swapper/219:07:262
1791325242,6sleep70-21swapper/719:05:077
1971424939,6sleep60-21swapper/619:08:426
1952524736,7sleep30-21swapper/319:06:153
1950724533,7sleep50-21swapper/519:06:015
111391350,1ptp4l31695-21hddtemp_smartct00:15:141
111391330,0ptp4l0-21swapper/500:20:175
111391330,0ptp4l0-21swapper/021:50:180
111391320,0ptp4l0-21swapper/100:05:121
111391310,0ptp4l0-21swapper/023:15:150
111391300,0ptp4l0-21swapper/400:37:544
111391300,0ptp4l0-21swapper/400:37:544
111391290,0ptp4l0-21swapper/619:26:006
111391270,0ptp4l0-21swapper/520:45:005
111391270,0ptp4l0-21swapper/019:18:000
111391270,0ptp4l0-21swapper/019:18:000
111391260,0ptp4l0-21swapper/122:35:211
111391260,0ptp4l0-21swapper/119:30:141
20123992518,4cyclictest0-21swapper/523:47:335
111391250,1ptp4l27307-21df_inode22:55:130
111391250,0ptp4l0-21swapper/523:50:085
111391250,0ptp4l0-21swapper/523:40:175
111391250,0ptp4l0-21swapper/520:05:015
111391250,0ptp4l0-21swapper/123:13:331
111391250,0ptp4l0-21swapper/122:32:261
111391250,0ptp4l0-21swapper/122:21:241
111391250,0ptp4l0-21swapper/023:55:210
111391250,0ptp4l0-21swapper/023:35:180
111391250,0ptp4l0-21swapper/021:10:120
111391250,0ptp4l0-21swapper/000:25:160
111391240,1ptp4l9085-21irqstats23:25:144
111391240,1ptp4l3868-21sed22:05:000
111391240,1ptp4l3258-21latency_hist00:25:000
111391240,1ptp4l29971-21irqstats23:00:165
111391240,1ptp4l29851-21sed00:10:165
111391240,1ptp4l28617-21smart_sda20:35:190
111391240,1ptp4l2752-21if_virbr019:40:134
111391240,1ptp4l27280-21/usr/sbin/munin21:45:160
111391240,1ptp4l27089-21diskstats00:05:125
111391240,1ptp4l20919-21diskstats20:20:125
111391240,1ptp4l2008799cyclictest20:00:210
111391240,1ptp4l18444-21basename21:25:141
111391240,1ptp4l17084-21processes20:10:191
111391240,0ptp4l0-21swapper/523:00:005
111391240,0ptp4l0-21swapper/522:26:165
111391240,0ptp4l0-21swapper/522:00:145
111391240,0ptp4l0-21swapper/521:40:145
111391240,0ptp4l0-21swapper/521:39:375
111391240,0ptp4l0-21swapper/519:33:025
111391240,0ptp4l0-21swapper/519:25:145
111391240,0ptp4l0-21swapper/500:25:125
111391240,0ptp4l0-21swapper/500:05:005
111391240,0ptp4l0-21swapper/423:45:124
111391240,0ptp4l0-21swapper/423:40:334
111391240,0ptp4l0-21swapper/422:10:564
111391240,0ptp4l0-21swapper/421:19:164
111391240,0ptp4l0-21swapper/421:12:444
111391240,0ptp4l0-21swapper/420:37:154
111391240,0ptp4l0-21swapper/420:26:514
111391240,0ptp4l0-21swapper/419:50:204
111391240,0ptp4l0-21swapper/400:00:044
111391240,0ptp4l0-21swapper/123:30:151
111391240,0ptp4l0-21swapper/123:00:001
111391240,0ptp4l0-21swapper/122:12:061
111391240,0ptp4l0-21swapper/121:03:211
111391240,0ptp4l0-21swapper/120:05:081
111391240,0ptp4l0-21swapper/119:29:121
111391240,0ptp4l0-21swapper/100:20:181
111391240,0ptp4l0-21swapper/022:15:140
111391240,0ptp4l0-21swapper/021:25:000
111391240,0ptp4l0-21swapper/020:56:190
111391240,0ptp4l0-21swapper/019:55:210
111391240,0ptp4l0-21swapper/019:52:470
111391240,0ptp4l0-21swapper/019:45:180
111391240,0ptp4l0-21swapper/000:00:530
111391230,3ptp4l0-21swapper/422:44:474
111391230,1ptp4l23178-21if_virbr0-nic21:35:154
111391230,1ptp4l14539-21load20:05:170
111391230,0ptp4l514-21sed19:35:171
111391230,0ptp4l0-21swapper/721:00:157
111391230,0ptp4l0-21swapper/720:55:147
111391230,0ptp4l0-21swapper/720:15:147
111391230,0ptp4l0-21swapper/620:32:076
111391230,0ptp4l0-21swapper/523:37:185
111391230,0ptp4l0-21swapper/523:30:165
111391230,0ptp4l0-21swapper/523:05:215
111391230,0ptp4l0-21swapper/522:36:535
111391230,0ptp4l0-21swapper/522:14:465
111391230,0ptp4l0-21swapper/522:05:205
111391230,0ptp4l0-21swapper/522:00:005
111391230,0ptp4l0-21swapper/522:00:005
111391230,0ptp4l0-21swapper/521:28:015
111391230,0ptp4l0-21swapper/521:05:165
111391230,0ptp4l0-21swapper/520:10:205
111391230,0ptp4l0-21swapper/520:06:195
111391230,0ptp4l0-21swapper/519:54:295
111391230,0ptp4l0-21swapper/519:10:225
111391230,0ptp4l0-21swapper/519:10:225
111391230,0ptp4l0-21swapper/423:55:184
111391230,0ptp4l0-21swapper/423:15:164
111391230,0ptp4l0-21swapper/422:55:124
111391230,0ptp4l0-21swapper/422:50:144
111391230,0ptp4l0-21swapper/422:45:204
111391230,0ptp4l0-21swapper/422:24:104
111391230,0ptp4l0-21swapper/421:50:224
111391230,0ptp4l0-21swapper/421:45:124
111391230,0ptp4l0-21swapper/421:30:134
111391230,0ptp4l0-21swapper/421:20:114
111391230,0ptp4l0-21swapper/421:06:384
111391230,0ptp4l0-21swapper/420:20:004
111391230,0ptp4l0-21swapper/420:05:144
111391230,0ptp4l0-21swapper/419:45:124
111391230,0ptp4l0-21swapper/419:25:214
111391230,0ptp4l0-21swapper/322:50:123
111391230,0ptp4l0-21swapper/321:00:133
111391230,0ptp4l0-21swapper/320:15:153
111391230,0ptp4l0-21swapper/123:05:221
111391230,0ptp4l0-21swapper/122:05:211
111391230,0ptp4l0-21swapper/121:56:511
111391230,0ptp4l0-21swapper/121:56:511
111391230,0ptp4l0-21swapper/121:45:161
111391230,0ptp4l0-21swapper/120:55:001
111391230,0ptp4l0-21swapper/120:45:161
111391230,0ptp4l0-21swapper/120:40:161
111391230,0ptp4l0-21swapper/120:20:131
111391230,0ptp4l0-21swapper/120:02:191
111391230,0ptp4l0-21swapper/119:23:371
111391230,0ptp4l0-21swapper/100:35:191
111391230,0ptp4l0-21swapper/100:35:191
111391230,0ptp4l0-21swapper/023:50:010
111391230,0ptp4l0-21swapper/023:00:180
111391230,0ptp4l0-21swapper/022:50:190
111391230,0ptp4l0-21swapper/022:42:280
111391230,0ptp4l0-21swapper/022:40:000
111391230,0ptp4l0-21swapper/022:20:230
111391230,0ptp4l0-21swapper/022:13:160
111391230,0ptp4l0-21swapper/021:57:390
111391230,0ptp4l0-21swapper/021:57:390
111391230,0ptp4l0-21swapper/021:15:200
111391230,0ptp4l0-21swapper/020:35:000
111391230,0ptp4l0-21swapper/019:25:190
111391230,0ptp4l0-21swapper/019:20:220
111391230,0ptp4l0-21swapper/019:10:120
111391230,0ptp4l0-21swapper/019:10:120
111391220,4ptp4l0-21swapper/622:14:226
111391220,1ptp4l2376-21ls19:40:100
111391220,0ptp4l0-21swapper/723:54:537
111391220,0ptp4l0-21swapper/722:50:127
111391220,0ptp4l0-21swapper/523:20:165
111391220,0ptp4l0-21swapper/522:20:155
111391220,0ptp4l0-21swapper/522:17:035
111391220,0ptp4l0-21swapper/521:30:195
111391220,0ptp4l0-21swapper/521:20:135
111391220,0ptp4l0-21swapper/521:18:025
111391220,0ptp4l0-21swapper/520:50:005
111391220,0ptp4l0-21swapper/520:16:495
111391220,0ptp4l0-21swapper/519:35:165
111391220,0ptp4l0-21swapper/519:22:575
111391220,0ptp4l0-21swapper/500:35:235
111391220,0ptp4l0-21swapper/500:35:225
111391220,0ptp4l0-21swapper/500:15:155
111391220,0ptp4l0-21swapper/423:35:124
111391220,0ptp4l0-21swapper/423:10:134
111391220,0ptp4l0-21swapper/423:05:134
111391220,0ptp4l0-21swapper/423:00:194
111391220,0ptp4l0-21swapper/422:35:534
111391220,0ptp4l0-21swapper/422:30:214
111391220,0ptp4l0-21swapper/422:25:214
111391220,0ptp4l0-21swapper/422:15:204
111391220,0ptp4l0-21swapper/421:55:154
111391220,0ptp4l0-21swapper/421:55:144
111391220,0ptp4l0-21swapper/420:50:144
111391220,0ptp4l0-21swapper/420:30:204
111391220,0ptp4l0-21swapper/420:00:134
111391220,0ptp4l0-21swapper/419:55:184
111391220,0ptp4l0-21swapper/419:35:204
111391220,0ptp4l0-21swapper/419:20:184
111391220,0ptp4l0-21swapper/419:15:014
111391220,0ptp4l0-21swapper/419:15:014
111391220,0ptp4l0-21swapper/419:10:144
111391220,0ptp4l0-21swapper/419:10:134
111391220,0ptp4l0-21swapper/400:24:554
111391220,0ptp4l0-21swapper/400:12:454
111391220,0ptp4l0-21swapper/322:49:023
111391220,0ptp4l0-21swapper/320:55:223
111391220,0ptp4l0-21swapper/222:30:202
111391220,0ptp4l0-21swapper/123:50:161
111391220,0ptp4l0-21swapper/123:40:101
111391220,0ptp4l0-21swapper/123:38:421
111391220,0ptp4l0-21swapper/123:22:001
111391220,0ptp4l0-21swapper/122:55:201
111391220,0ptp4l0-21swapper/122:00:161
111391220,0ptp4l0-21swapper/121:51:001
111391220,0ptp4l0-21swapper/121:40:101
111391220,0ptp4l0-21swapper/121:05:191
111391220,0ptp4l0-21swapper/119:48:251
111391220,0ptp4l0-21swapper/119:10:201
111391220,0ptp4l0-21swapper/119:10:201
111391220,0ptp4l0-21swapper/100:25:131
111391220,0ptp4l0-21swapper/100:10:151
111391220,0ptp4l0-21swapper/023:25:180
111391220,0ptp4l0-21swapper/023:10:180
111391220,0ptp4l0-21swapper/023:07:290
111391220,0ptp4l0-21swapper/022:45:160
111391220,0ptp4l0-21swapper/022:30:160
111391220,0ptp4l0-21swapper/021:35:120
111391220,0ptp4l0-21swapper/021:30:150
111391220,0ptp4l0-21swapper/020:50:130
111391220,0ptp4l0-21swapper/020:45:200
111391220,0ptp4l0-21swapper/020:25:100
111391220,0ptp4l0-21swapper/020:14:100
111391220,0ptp4l0-21swapper/019:35:180
111391220,0ptp4l0-21swapper/019:31:230
111391220,0ptp4l0-21swapper/000:30:160
111391220,0ptp4l0-21swapper/000:05:180
111391210,0ptp4l0-21swapper/722:58:007
111391210,0ptp4l0-21swapper/619:32:006
111391210,0ptp4l0-21swapper/523:26:005
111391210,0ptp4l0-21swapper/523:19:095
111391210,0ptp4l0-21swapper/522:51:275
111391210,0ptp4l0-21swapper/520:45:145
111391210,0ptp4l0-21swapper/519:50:005
111391210,0ptp4l0-21swapper/420:57:004
111391210,0ptp4l0-21swapper/420:45:224
111391210,0ptp4l0-21swapper/420:24:494
111391210,0ptp4l0-21swapper/400:30:224
111391210,0ptp4l0-21swapper/400:25:184
111391210,0ptp4l0-21swapper/123:29:411
111391210,0ptp4l0-21swapper/122:41:521
111391210,0ptp4l0-21swapper/122:17:001
111391210,0ptp4l0-21swapper/121:33:001
111391210,0ptp4l0-21swapper/121:20:131
111391210,0ptp4l0-21swapper/120:55:501
111391210,0ptp4l0-21swapper/120:36:501
111391210,0ptp4l0-21swapper/120:15:201
111391210,0ptp4l0-21swapper/023:40:380
111391210,0ptp4l0-21swapper/022:25:210
111391210,0ptp4l0-21swapper/021:06:480
111391210,0ptp4l0-21swapper/000:15:520
111391200,0ptp4l0-21swapper/720:14:507
111391200,0ptp4l0-21swapper/623:00:146
111391200,0ptp4l0-21swapper/523:58:535
111391200,0ptp4l0-21swapper/523:13:255
111391200,0ptp4l0-21swapper/522:30:525
111391200,0ptp4l0-21swapper/521:01:005
111391200,0ptp4l0-21swapper/519:58:005
111391200,0ptp4l0-21swapper/423:54:164
111391200,0ptp4l0-21swapper/423:22:504
111391200,0ptp4l0-21swapper/422:05:004
111391200,0ptp4l0-21swapper/421:25:004
111391200,0ptp4l0-21swapper/420:42:004
111391200,0ptp4l0-21swapper/221:52:512
111391200,0ptp4l0-21swapper/123:18:241
111391200,0ptp4l0-21swapper/121:18:511
111391200,0ptp4l0-21swapper/119:50:131
111391200,0ptp4l0-21swapper/023:52:530
111391200,0ptp4l0-21swapper/022:08:000
111391200,0ptp4l0-21swapper/021:25:190
111391200,0ptp4l0-21swapper/020:24:050
111391190,0ptp4l0-21swapper/722:49:007
111391190,0ptp4l0-21swapper/400:17:024
111391190,0ptp4l0-21swapper/121:37:511
2010899180,1cyclictest0-21swapper/323:46:583
111391180,0ptp4l0-21swapper/623:25:206
111391180,0ptp4l0-21swapper/520:56:135
111391180,0ptp4l0-21swapper/223:25:202
111391180,0ptp4l0-21swapper/000:38:020
111391180,0ptp4l0-21swapper/000:38:010
111391170,0ptp4l0-21swapper/622:30:186
111391170,0ptp4l0-21swapper/320:29:223
111391170,0ptp4l0-21swapper/023:34:530
111391170,0ptp4l0-21swapper/020:44:000
111391170,0ptp4l0-21swapper/020:16:210
111391160,1ptp4l799-21NetworkManager00:12:240
111391160,0ptp4l0-21swapper/621:44:406
111391160,0ptp4l0-21swapper/521:51:265
111391160,0ptp4l0-21swapper/521:12:575
111391160,0ptp4l0-21swapper/519:19:335
111391160,0ptp4l0-21swapper/519:19:335
111391160,0ptp4l0-21swapper/421:00:234
111391160,0ptp4l0-21swapper/420:10:024
111391160,0ptp4l0-21swapper/419:31:014
111391160,0ptp4l0-21swapper/400:06:114
111391160,0ptp4l0-21swapper/323:55:043
111391160,0ptp4l0-21swapper/200:38:292
111391160,0ptp4l0-21swapper/200:38:282
111391160,0ptp4l0-21swapper/123:55:291
111391160,0ptp4l0-21swapper/122:50:461
111391160,0ptp4l0-21swapper/122:45:321
111391160,0ptp4l0-21swapper/122:26:531
111391160,0ptp4l0-21swapper/121:12:311
111391160,0ptp4l0-21swapper/120:31:271
111391160,0ptp4l0-21swapper/119:43:221
111391160,0ptp4l0-21swapper/119:19:241
111391160,0ptp4l0-21swapper/119:19:231
25462150,0sleep60-21swapper/600:20:206
111391150,0ptp4l0-21swapper/723:27:147
111391150,0ptp4l0-21swapper/723:11:187
111391150,0ptp4l0-21swapper/720:42:367
111391150,0ptp4l0-21swapper/720:29:047
111391150,0ptp4l0-21swapper/719:48:507
111391150,0ptp4l0-21swapper/719:38:457
111391150,0ptp4l0-21swapper/623:56:056
111391150,0ptp4l0-21swapper/622:42:426
111391150,0ptp4l0-21swapper/621:51:406
111391150,0ptp4l0-21swapper/621:39:206
111391150,0ptp4l0-21swapper/620:56:396
111391150,0ptp4l0-21swapper/620:51:176
111391150,0ptp4l0-21swapper/620:26:596
111391150,0ptp4l0-21swapper/620:22:276
111391150,0ptp4l0-21swapper/619:54:106
111391150,0ptp4l0-21swapper/619:36:316
111391150,0ptp4l0-21swapper/619:22:046
111391150,0ptp4l0-21swapper/600:38:276
111391150,0ptp4l0-21swapper/600:38:276
111391150,0ptp4l0-21swapper/522:48:255
111391150,0ptp4l0-21swapper/522:41:545
111391150,0ptp4l0-21swapper/521:47:045
111391150,0ptp4l0-21swapper/520:36:085
111391150,0ptp4l0-21swapper/520:31:385
111391150,0ptp4l0-21swapper/520:25:435
111391150,0ptp4l0-21swapper/500:31:195
111391150,0ptp4l0-21swapper/423:31:224
111391150,0ptp4l0-21swapper/422:07:354
111391150,0ptp4l0-21swapper/421:40:014
111391150,0ptp4l0-21swapper/323:54:303
111391150,0ptp4l0-21swapper/323:31:183
111391150,0ptp4l0-21swapper/323:27:153
111391150,0ptp4l0-21swapper/323:11:093
111391150,0ptp4l0-21swapper/322:58:073
111391150,0ptp4l0-21swapper/321:43:293
111391150,0ptp4l0-21swapper/320:42:263
111391150,0ptp4l0-21swapper/320:14:433
111391150,0ptp4l0-21swapper/319:48:423
111391150,0ptp4l0-21swapper/319:38:433
111391150,0ptp4l0-21swapper/300:29:373
111391150,0ptp4l0-21swapper/223:56:002
111391150,0ptp4l0-21swapper/223:17:282
111391150,0ptp4l0-21swapper/223:01:582
111391150,0ptp4l0-21swapper/222:11:022
111391150,0ptp4l0-21swapper/221:46:292
111391150,0ptp4l0-21swapper/220:57:182
111391150,0ptp4l0-21swapper/220:22:302
111391150,0ptp4l0-21swapper/219:36:012
111391150,0ptp4l0-21swapper/123:45:211
111391150,0ptp4l0-21swapper/120:25:011
111391150,0ptp4l0-21swapper/119:57:511
111391150,0ptp4l0-21swapper/100:30:061
111391150,0ptp4l0-21swapper/023:21:230
111391150,0ptp4l0-21swapper/021:40:060
111391150,0ptp4l0-21swapper/021:00:030
142402140,0sleep20-21swapper/221:15:162
111391140,0ptp4l0-21swapper/723:55:017
111391140,0ptp4l0-21swapper/723:31:177
111391140,0ptp4l0-21swapper/721:43:287
111391140,0ptp4l0-21swapper/700:29:367
111391140,0ptp4l0-21swapper/623:24:346
111391140,0ptp4l0-21swapper/623:17:236
111391140,0ptp4l0-21swapper/622:54:366
111391140,0ptp4l0-21swapper/622:29:536
111391140,0ptp4l0-21swapper/622:03:166
111391140,0ptp4l0-21swapper/621:46:266
111391140,0ptp4l0-21swapper/620:45:516
111391140,0ptp4l0-21swapper/619:46:166
111391140,0ptp4l0-21swapper/619:11:186
111391140,0ptp4l0-21swapper/619:11:186
111391140,0ptp4l0-21swapper/600:06:416
111391140,0ptp4l0-21swapper/223:41:402
111391140,0ptp4l0-21swapper/223:35:012
111391140,0ptp4l0-21swapper/223:31:112
111391140,0ptp4l0-21swapper/223:24:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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