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2025-12-15 - 12:39

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 15, 2025 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391710,30ptp4l0-21swapper/019:05:110
111391630,5ptp4l0-21swapper/519:07:495
1887826140,6sleep20-21swapper/219:07:522
111391610,5ptp4l0-21swapper/119:07:331
111391560,4ptp4l0-21swapper/419:08:524
189062530,0sleep30-21swapper/323:50:003
1881925039,6sleep70-21swapper/719:07:087
1873824837,7sleep30-21swapper/319:06:093
1878724736,6sleep60-21swapper/619:06:446
111391320,3ptp4l0-21swapper/020:35:260
111391320,0ptp4l0-21swapper/520:15:185
111391310,0ptp4l0-21swapper/522:05:365
111391290,0ptp4l0-21swapper/522:50:195
111391290,0ptp4l0-21swapper/421:45:224
111391290,0ptp4l0-21swapper/419:55:134
111391280,4ptp4l561ktimersoftd/519:35:205
111391280,0ptp4l0-21swapper/522:41:215
111391280,0ptp4l0-21swapper/420:45:164
111391280,0ptp4l0-21swapper/122:00:171
111391270,0ptp4l0-21swapper/522:34:315
111391270,0ptp4l0-21swapper/522:34:305
111391270,0ptp4l0-21swapper/421:00:124
111391270,0ptp4l0-21swapper/220:45:112
111391260,0ptp4l0-21swapper/523:00:135
111391260,0ptp4l0-21swapper/421:42:214
111391260,0ptp4l0-21swapper/419:40:204
111391260,0ptp4l0-21swapper/121:13:311
111391250,1ptp4l8799-21irqstats21:05:160
111391250,0ptp4l121rcu_preempt22:40:200
111391250,0ptp4l0-21swapper/620:45:126
111391250,0ptp4l0-21swapper/521:40:135
111391250,0ptp4l0-21swapper/520:50:005
111391250,0ptp4l0-21swapper/422:20:134
111391250,0ptp4l0-21swapper/023:55:140
111391250,0ptp4l0-21swapper/021:05:000
111391240,1ptp4l8707-21/usr/sbin/munin22:15:174
111391240,1ptp4l4425-21missed_timers20:55:175
111391240,1ptp4l20160-21kernelversion19:10:124
111391240,1ptp4l15583-21/usr/sbin/munin22:30:180
111391240,1ptp4l15583-21/usr/sbin/munin22:30:180
111391240,1ptp4l15307-21df_inode21:20:114
111391240,1ptp4l12722-21latency_hist20:05:015
111391240,1ptp4l10881-21needreboot23:30:171
111391240,1ptp4l10816-21/usr/sbin/munin21:10:134
111391240,0ptp4l0-21swapper/700:10:207
111391240,0ptp4l0-21swapper/523:30:165
111391240,0ptp4l0-21swapper/521:55:195
111391240,0ptp4l0-21swapper/521:15:165
111391240,0ptp4l0-21swapper/519:45:165
111391240,0ptp4l0-21swapper/519:45:165
111391240,0ptp4l0-21swapper/519:20:215
111391240,0ptp4l0-21swapper/519:15:115
111391240,0ptp4l0-21swapper/422:25:174
111391240,0ptp4l0-21swapper/422:25:174
111391240,0ptp4l0-21swapper/420:36:454
111391240,0ptp4l0-21swapper/419:15:194
111391240,0ptp4l0-21swapper/400:31:054
111391240,0ptp4l0-21swapper/100:30:121
111391240,0ptp4l0-21swapper/020:45:210
111391230,7ptp4l0-21swapper/423:03:334
111391230,1ptp4l31388-21hddtemp_smartct21:55:131
111391230,1ptp4l30344-21timerandwakeup20:40:195
111391230,1ptp4l23594-21latency_hist22:50:015
111391230,1ptp4l14180-21/usr/sbin/munin21:15:206
111391230,0ptp4l0-21swapper/523:45:005
111391230,0ptp4l0-21swapper/522:15:145
111391230,0ptp4l0-21swapper/520:10:215
111391230,0ptp4l0-21swapper/500:20:235
111391230,0ptp4l0-21swapper/500:00:205
111391230,0ptp4l0-21swapper/423:40:154
111391230,0ptp4l0-21swapper/423:25:144
111391230,0ptp4l0-21swapper/423:20:194
111391230,0ptp4l0-21swapper/423:10:204
111391230,0ptp4l0-21swapper/422:40:134
111391230,0ptp4l0-21swapper/422:30:204
111391230,0ptp4l0-21swapper/422:30:204
111391230,0ptp4l0-21swapper/422:10:154
111391230,0ptp4l0-21swapper/420:50:134
111391230,0ptp4l0-21swapper/420:25:184
111391230,0ptp4l0-21swapper/420:20:144
111391230,0ptp4l0-21swapper/420:10:144
111391230,0ptp4l0-21swapper/420:00:184
111391230,0ptp4l0-21swapper/400:03:404
111391230,0ptp4l0-21swapper/123:55:191
111391230,0ptp4l0-21swapper/122:55:011
111391230,0ptp4l0-21swapper/122:50:171
111391230,0ptp4l0-21swapper/122:15:211
111391230,0ptp4l0-21swapper/122:05:331
111391230,0ptp4l0-21swapper/121:40:131
111391230,0ptp4l0-21swapper/121:30:181
111391230,0ptp4l0-21swapper/120:05:171
111391230,0ptp4l0-21swapper/120:00:201
111391230,0ptp4l0-21swapper/100:25:141
111391230,0ptp4l0-21swapper/100:15:111
111391230,0ptp4l0-21swapper/023:50:140
111391230,0ptp4l0-21swapper/023:40:180
111391230,0ptp4l0-21swapper/023:20:120
111391230,0ptp4l0-21swapper/022:35:160
111391230,0ptp4l0-21swapper/021:50:200
111391230,0ptp4l0-21swapper/021:47:410
111391230,0ptp4l0-21swapper/021:30:160
111391230,0ptp4l0-21swapper/020:30:200
111391230,0ptp4l0-21swapper/020:30:000
111391230,0ptp4l0-21swapper/020:10:130
111391230,0ptp4l0-21swapper/020:00:140
111391230,0ptp4l0-21swapper/019:55:170
111391230,0ptp4l0-21swapper/019:30:130
111391230,0ptp4l0-21swapper/019:25:140
111391230,0ptp4l0-21swapper/019:10:110
111391230,0ptp4l0-21swapper/000:35:240
111391230,0ptp4l0-21swapper/000:15:200
111391230,0ptp4l0-21swapper/000:10:130
111391220,3ptp4l0-21swapper/519:33:065
111391220,1ptp4l20731-21missed_timers20:20:170
111391220,1ptp4l17567-21/usr/sbin/munin20:15:161
111391220,0ptp4l0-21swapper/523:45:225
111391220,0ptp4l0-21swapper/523:15:135
111391220,0ptp4l0-21swapper/523:05:165
111391220,0ptp4l0-21swapper/522:55:145
111391220,0ptp4l0-21swapper/522:00:195
111391220,0ptp4l0-21swapper/521:35:305
111391220,0ptp4l0-21swapper/521:25:125
111391220,0ptp4l0-21swapper/520:05:125
111391220,0ptp4l0-21swapper/519:26:585
111391220,0ptp4l0-21swapper/519:11:465
111391220,0ptp4l0-21swapper/500:35:345
111391220,0ptp4l0-21swapper/500:30:185
111391220,0ptp4l0-21swapper/500:25:185
111391220,0ptp4l0-21swapper/500:15:145
111391220,0ptp4l0-21swapper/500:10:165
111391220,0ptp4l0-21swapper/423:55:134
111391220,0ptp4l0-21swapper/423:50:124
111391220,0ptp4l0-21swapper/423:45:144
111391220,0ptp4l0-21swapper/423:35:114
111391220,0ptp4l0-21swapper/423:05:184
111391220,0ptp4l0-21swapper/422:45:154
111391220,0ptp4l0-21swapper/422:35:144
111391220,0ptp4l0-21swapper/421:35:334
111391220,0ptp4l0-21swapper/420:30:154
111391220,0ptp4l0-21swapper/419:50:164
111391220,0ptp4l0-21swapper/419:50:154
111391220,0ptp4l0-21swapper/419:49:214
111391220,0ptp4l0-21swapper/419:49:214
111391220,0ptp4l0-21swapper/419:35:154
111391220,0ptp4l0-21swapper/419:30:144
111391220,0ptp4l0-21swapper/419:25:144
111391220,0ptp4l0-21swapper/400:35:164
111391220,0ptp4l0-21swapper/400:05:164
111391220,0ptp4l0-21swapper/123:15:141
111391220,0ptp4l0-21swapper/123:00:141
111391220,0ptp4l0-21swapper/121:55:001
111391220,0ptp4l0-21swapper/120:40:061
111391220,0ptp4l0-21swapper/119:45:161
111391220,0ptp4l0-21swapper/119:45:161
111391220,0ptp4l0-21swapper/119:30:001
111391220,0ptp4l0-21swapper/100:20:171
111391220,0ptp4l0-21swapper/100:00:121
111391220,0ptp4l0-21swapper/023:45:170
111391220,0ptp4l0-21swapper/023:35:120
111391220,0ptp4l0-21swapper/023:20:010
111391220,0ptp4l0-21swapper/023:10:130
111391220,0ptp4l0-21swapper/022:45:160
111391220,0ptp4l0-21swapper/022:25:100
111391220,0ptp4l0-21swapper/022:25:100
111391220,0ptp4l0-21swapper/022:20:210
111391220,0ptp4l0-21swapper/022:10:130
111391220,0ptp4l0-21swapper/020:50:140
111391220,0ptp4l0-21swapper/019:50:170
111391220,0ptp4l0-21swapper/019:50:170
111391220,0ptp4l0-21swapper/019:40:180
111391220,0ptp4l0-21swapper/019:35:130
111391220,0ptp4l0-21swapper/000:05:140
111391210,2ptp4l0-21swapper/522:26:505
111391210,2ptp4l0-21swapper/522:26:505
111391210,0ptp4l0-21swapper/523:55:205
111391210,0ptp4l0-21swapper/523:36:185
111391210,0ptp4l0-21swapper/523:24:005
111391210,0ptp4l0-21swapper/521:30:115
111391210,0ptp4l0-21swapper/521:20:385
111391210,0ptp4l0-21swapper/520:37:315
111391210,0ptp4l0-21swapper/520:26:315
111391210,0ptp4l0-21swapper/519:58:045
111391210,0ptp4l0-21swapper/519:51:175
111391210,0ptp4l0-21swapper/519:51:175
111391210,0ptp4l0-21swapper/422:50:234
111391210,0ptp4l0-21swapper/422:01:414
111391210,0ptp4l0-21swapper/421:55:434
111391210,0ptp4l0-21swapper/421:50:184
111391210,0ptp4l0-21swapper/421:05:134
111391210,0ptp4l0-21swapper/420:55:124
111391210,0ptp4l0-21swapper/419:22:024
111391210,0ptp4l0-21swapper/400:20:004
111391210,0ptp4l0-21swapper/400:10:014
111391210,0ptp4l0-21swapper/223:41:042
111391210,0ptp4l0-21swapper/123:45:191
111391210,0ptp4l0-21swapper/123:23:411
111391210,0ptp4l0-21swapper/123:05:151
111391210,0ptp4l0-21swapper/121:25:121
111391210,0ptp4l0-21swapper/121:15:181
111391210,0ptp4l0-21swapper/120:55:191
111391210,0ptp4l0-21swapper/119:20:231
111391210,0ptp4l0-21swapper/119:12:031
111391210,0ptp4l0-21swapper/100:37:061
111391210,0ptp4l0-21swapper/100:10:181
111391210,0ptp4l0-21swapper/023:34:070
111391210,0ptp4l0-21swapper/023:25:180
111391210,0ptp4l0-21swapper/023:05:200
111391210,0ptp4l0-21swapper/022:55:210
111391210,0ptp4l0-21swapper/022:15:170
111391210,0ptp4l0-21swapper/021:10:180
111391210,0ptp4l0-21swapper/020:55:000
111391210,0ptp4l0-21swapper/019:15:200
111391200,2ptp4l0-21swapper/522:11:055
111391200,0ptp4l0-21swapper/523:26:445
111391200,0ptp4l0-21swapper/522:37:365
111391200,0ptp4l0-21swapper/423:19:014
111391200,0ptp4l0-21swapper/421:30:154
111391200,0ptp4l0-21swapper/421:25:474
111391200,0ptp4l0-21swapper/421:17:314
111391200,0ptp4l0-21swapper/420:17:204
111391200,0ptp4l0-21swapper/400:19:074
111391200,0ptp4l0-21swapper/221:15:222
111391200,0ptp4l0-21swapper/120:12:351
111391200,0ptp4l0-21swapper/119:44:191
111391200,0ptp4l0-21swapper/119:26:481
111391200,0ptp4l0-21swapper/100:07:011
111391200,0ptp4l0-21swapper/022:53:320
111391200,0ptp4l0-21swapper/022:06:310
111391200,0ptp4l0-21swapper/021:43:310
111391200,0ptp4l0-21swapper/021:23:350
111391200,0ptp4l0-21swapper/021:17:080
111391200,0ptp4l0-21swapper/019:21:300
111391200,0ptp4l0-21swapper/000:03:030
111391190,1ptp4l0-21swapper/623:22:536
111391190,0ptp4l0-21swapper/620:39:206
111391190,0ptp4l0-21swapper/523:52:425
111391190,0ptp4l0-21swapper/521:52:495
111391190,0ptp4l0-21swapper/521:48:585
111391190,0ptp4l0-21swapper/423:34:374
111391190,0ptp4l0-21swapper/422:58:324
111391190,0ptp4l0-21swapper/422:06:564
111391190,0ptp4l0-21swapper/219:19:192
111391190,0ptp4l0-21swapper/123:11:311
111391190,0ptp4l0-21swapper/121:35:281
111391190,0ptp4l0-21swapper/121:20:221
111391190,0ptp4l0-21swapper/120:32:201
111391190,0ptp4l0-21swapper/119:36:441
111391190,0ptp4l0-21swapper/020:18:470
111391190,0ptp4l0-21swapper/000:31:000
111391190,0ptp4l0-21swapper/000:23:200
111391180,0ptp4l0-21swapper/621:34:216
111391180,0ptp4l0-21swapper/520:21:585
111391180,0ptp4l0-21swapper/420:05:204
111391180,0ptp4l0-21swapper/300:10:223
111391180,0ptp4l0-21swapper/122:26:211
111391180,0ptp4l0-21swapper/122:26:211
111391180,0ptp4l0-21swapper/121:09:201
111391180,0ptp4l0-21swapper/023:02:320
111391180,0ptp4l0-21swapper/022:02:170
111391180,0ptp4l0-21swapper/021:57:170
111391170,0ptp4l0-21swapper/619:28:006
111391170,0ptp4l0-21swapper/221:14:392
111391170,0ptp4l0-21swapper/123:35:341
111391170,0ptp4l0-21swapper/020:07:390
19323991614,1cyclictest0-21swapper/319:55:143
111391160,0ptp4l0-21swapper/719:40:587
111391160,0ptp4l0-21swapper/622:05:426
111391160,0ptp4l0-21swapper/520:52:215
111391160,0ptp4l0-21swapper/322:13:303
111391160,0ptp4l0-21swapper/222:22:102
111391160,0ptp4l0-21swapper/220:57:292
111391160,0ptp4l0-21swapper/123:51:131
111391160,0ptp4l0-21swapper/123:41:521
111391160,0ptp4l0-21swapper/122:37:141
111391160,0ptp4l0-21swapper/122:32:491
111391160,0ptp4l0-21swapper/122:32:491
111391160,0ptp4l0-21swapper/122:23:341
111391160,0ptp4l0-21swapper/122:14:131
111391160,0ptp4l0-21swapper/121:47:001
111391160,0ptp4l0-21swapper/121:02:281
111391160,0ptp4l0-21swapper/120:22:401
111391160,0ptp4l0-21swapper/119:52:341
111391160,0ptp4l0-21swapper/119:52:331
111391160,0ptp4l0-21swapper/021:35:360
111391160,0ptp4l0-21swapper/020:42:180
111391160,0ptp4l0-21swapper/019:49:070
111391160,0ptp4l0-21swapper/019:49:070
111391150,0ptp4l41-21ksoftirqd/319:38:173
111391150,0ptp4l0-21swapper/723:03:507
111391150,0ptp4l0-21swapper/719:30:417
111391150,0ptp4l0-21swapper/623:58:016
111391150,0ptp4l0-21swapper/623:28:396
111391150,0ptp4l0-21swapper/622:35:376
111391150,0ptp4l0-21swapper/621:38:016
111391150,0ptp4l0-21swapper/620:58:136
111391150,0ptp4l0-21swapper/620:20:496
111391150,0ptp4l0-21swapper/620:18:086
111391150,0ptp4l0-21swapper/620:01:596
111391150,0ptp4l0-21swapper/619:15:426
111391150,0ptp4l0-21swapper/600:39:236
111391150,0ptp4l0-21swapper/600:27:286
111391150,0ptp4l0-21swapper/600:23:086
111391150,0ptp4l0-21swapper/523:11:285
111391150,0ptp4l0-21swapper/521:10:075
111391150,0ptp4l0-21swapper/521:08:455
111391150,0ptp4l0-21swapper/521:02:305
111391150,0ptp4l0-21swapper/520:30:255
111391150,0ptp4l0-21swapper/519:41:365
111391150,0ptp4l0-21swapper/500:05:075
111391150,0ptp4l0-21swapper/420:40:014
111391150,0ptp4l0-21swapper/400:27:174
111391150,0ptp4l0-21swapper/319:41:033
111391150,0ptp4l0-21swapper/319:30:453
111391150,0ptp4l0-21swapper/223:09:292
111391150,0ptp4l0-21swapper/222:42:012
111391150,0ptp4l0-21swapper/221:38:042
111391150,0ptp4l0-21swapper/220:18:052
111391150,0ptp4l0-21swapper/219:39:112
111391150,0ptp4l0-21swapper/200:27:322
111391150,0ptp4l0-21swapper/200:04:572
111391150,0ptp4l0-21swapper/123:25:261
111391150,0ptp4l0-21swapper/122:47:531
111391150,0ptp4l0-21swapper/122:41:071
111391150,0ptp4l0-21swapper/120:50:341
111391150,0ptp4l0-21swapper/120:45:571
111391150,0ptp4l0-21swapper/120:37:101
111391150,0ptp4l0-21swapper/120:25:031
111391150,0ptp4l0-21swapper/119:56:001
111391150,0ptp4l0-21swapper/119:15:031
111391150,0ptp4l0-21swapper/021:25:290
111391150,0ptp4l0-21swapper/000:26:350
111391140,0ptp4l0-21swapper/722:13:307
111391140,0ptp4l0-21swapper/719:38:197
111391140,0ptp4l0-21swapper/623:46:146
111391140,0ptp4l0-21swapper/623:40:566
111391140,0ptp4l0-21swapper/623:09:236
111391140,0ptp4l0-21swapper/623:00:406
111391140,0ptp4l0-21swapper/622:41:326
111391140,0ptp4l0-21swapper/622:29:586
111391140,0ptp4l0-21swapper/622:29:586
111391140,0ptp4l0-21swapper/621:58:366
111391140,0ptp4l0-21swapper/621:41:406
111391140,0ptp4l0-21swapper/621:14:386
111391140,0ptp4l0-21swapper/621:06:116
111391140,0ptp4l0-21swapper/620:54:106
111391140,0ptp4l0-21swapper/620:06:466
111391140,0ptp4l0-21swapper/619:57:336
111391140,0ptp4l0-21swapper/619:46:016
111391140,0ptp4l0-21swapper/619:46:016
111391140,0ptp4l0-21swapper/619:39:126
111391140,0ptp4l0-21swapper/600:32:186
111391140,0ptp4l0-21swapper/323:03:523
111391140,0ptp4l0-21swapper/223:57:562
111391140,0ptp4l0-21swapper/223:46:162
111391140,0ptp4l0-21swapper/223:28:382
111391140,0ptp4l0-21swapper/223:22:502
111391140,0ptp4l0-21swapper/223:00:392
111391140,0ptp4l0-21swapper/222:35:332
111391140,0ptp4l0-21swapper/222:29:572
111391140,0ptp4l0-21swapper/222:29:572
111391140,0ptp4l0-21swapper/222:05:422
111391140,0ptp4l0-21swapper/221:58:362
111391140,0ptp4l0-21swapper/221:50:272
111391140,0ptp4l0-21swapper/221:41:402
111391140,0ptp4l0-21swapper/221:34:102
111391140,0ptp4l0-21swapper/221:06:092
111391140,0ptp4l0-21swapper/220:54:082
111391140,0ptp4l0-21swapper/220:39:062
111391140,0ptp4l0-21swapper/220:20:502
111391140,0ptp4l0-21swapper/220:11:142
111391140,0ptp4l0-21swapper/220:06:432
111391140,0ptp4l0-21swapper/220:01:582
111391140,0ptp4l0-21swapper/219:57:332
111391140,0ptp4l0-21swapper/219:27:502
111391140,0ptp4l0-21swapper/200:39:212
111391140,0ptp4l0-21swapper/200:32:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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