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2024-02-23 - 09:12
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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 highest latencies:
System rack1slot8.osadl.org (updated Fri Feb 23, 2024 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2761599797717,51cyclictest0-21swapper/019:10:090
2761699763685,47cyclictest0-21swapper/119:10:091
2761599760710,44cyclictest0-21swapper/019:57:340
274412703680,16sleep00-21swapper/019:08:360
271902657637,12sleep10-21swapper/119:06:071
227799950,10rtkit-daemon0-21swapper/019:49:540
274642940,3sleep0221rcuc/023:37:150
2761699824,51cyclictest0-21swapper/119:57:331
227799820,4rtkit-daemon31719-21ssh21:53:410
2761699775,53cyclictest0-21swapper/120:10:591
27615997754,14cyclictest0-21swapper/022:48:000
2761599763,66cyclictest3661-21ssh22:55:360
2761599759,51cyclictest88450irq/46-eth0-tx-00:10:180
27615997516,53cyclictest88450irq/46-eth0-tx-21:58:580
29302740,5sleep02932-21processes23:50:300
2761599745,64cyclictest0-21swapper/000:17:000
2761599745,62cyclictest0-21swapper/023:48:310
27615997419,49cyclictest88450irq/46-eth0-tx-00:32:120
27615997418,50cyclictest88450irq/46-eth0-tx-22:06:360
27615997410,43cyclictest16403-21ssh23:18:460
2761599735,62cyclictest0-21swapper/022:19:450
27615997321,47cyclictest88450irq/46-eth0-tx-21:37:270
2761599732,53cyclictest21318-21swap22:30:340
27615997317,50cyclictest88450irq/46-eth0-tx-23:31:280
27615997315,53cyclictest88450irq/46-eth0-tx-23:05:280
2761599726,60cyclictest0-21swapper/023:29:200
2761599725,53cyclictest0-21swapper/021:14:150
2761599723,63cyclictest9619-21ssh00:02:120
2761599722,64cyclictest7187-21ssh23:58:410
27615997215,52cyclictest88450irq/46-eth0-tx-21:28:350
227799720,8rtkit-daemon0-21swapper/023:43:031
2761699716,49cyclictest0-21swapper/121:55:591
2761599716,59cyclictest0-21swapper/021:40:510
2761599712,43cyclictest25920-21munin-run22:40:000
27615997118,39cyclictest88450irq/46-eth0-tx-21:31:240
27615997118,38cyclictest88450irq/46-eth0-tx-22:03:010
27615997115,51cyclictest88450irq/46-eth0-tx-22:28:170
227799710,11rtkit-daemon0-21swapper/021:44:311
2761599702,61cyclictest31839-21ssh22:50:030
2761599702,58cyclictest28617-21strings20:40:310
27615997017,40cyclictest88450irq/46-eth0-tx-22:21:330
2761599695,59cyclictest0-21swapper/023:11:280
2761599693,60cyclictest26765-21sh21:45:220
27615996847,16cyclictest0-21swapper/022:15:000
2761599683,58cyclictest30306-21munin-node19:15:300
2761599683,44cyclictest24588-21ssh00:28:180
2761599682,60cyclictest31416-21seq20:50:000
2761599682,60cyclictest31197-21latency_hist23:45:010
2761599682,43cyclictest13443-21ssh21:20:490
2761599682,40cyclictest28984-21ssh00:35:320
2761599673,59cyclictest16821-21kworker/0:200:05:240
2761599672,59cyclictest11144-21ssh21:17:380
2761599672,57cyclictest3624-21munin-node21:00:310
27615996712,39cyclictest0-21swapper/000:21:420
2761599663,57cyclictest26929-21sh22:40:310
2761599663,57cyclictest2257-21metacity20:37:000
2761599663,49cyclictest7361-21ssh23:02:400
2761599662,56cyclictest32410-21munin-node20:50:310
227799660,3rtkit-daemon24951-21ssh00:29:251
2761599656,51cyclictest0-21swapper/020:00:020
2761599653,56cyclictest20978-21df20:20:240
2761599652,57cyclictest23206-21needreboot20:25:280
2761599643,39cyclictest4686-21munin-node21:05:340
2761599642,55cyclictest10231-21munin-node19:50:250
2761599642,54cyclictest6451-21munin-node19:40:220
2761599642,45cyclictest17592-21ssh23:20:280
2761599633,54cyclictest1761-21ntp_offset20:55:310
2761599632,52cyclictest25442-21unixbench_multi20:30:370
2761599626,48cyclictest0-21swapper/019:35:280
2761599625,49cyclictest0-21swapper/020:15:350
2761599623,39cyclictest15318-21munin-node20:05:330
2761599622,38cyclictest3790-21grep19:30:370
227799620,3rtkit-daemon31914-21ssh22:50:161
227799620,3rtkit-daemon31136-21ssh22:48:171
227799620,3rtkit-daemon22473-21ssh22:33:161
2761599612,36cyclictest2520-21latency_hist19:30:020
27615996117,37cyclictest88450irq/46-eth0-tx-19:20:170
227799610,3rtkit-daemon13582-21ssh00:10:041
2761599607,33cyclictest0-21swapper/020:10:300
227799600,3rtkit-daemon12373-21ssh00:06:441
2761699598,35cyclictest0-21swapper/119:38:591
2761699596,37cyclictest0-21swapper/121:02:591
2761699595,38cyclictest0-21swapper/100:15:591
2761699595,34cyclictest0-21swapper/120:59:591
2761699585,34cyclictest0-21swapper/123:01:581
2761699585,32cyclictest0-21swapper/120:50:591
2761699575,35cyclictest0-21swapper/121:33:001
2761699575,34cyclictest0-21swapper/120:36:001
227799570,4rtkit-daemon2276-21rtkit-daemon21:39:311
2761699565,34cyclictest0-21swapper/120:48:591
2761699558,30cyclictest0-21swapper/121:26:591
2761699555,36cyclictest0-21swapper/122:23:581
2761699548,29cyclictest0-21swapper/119:21:001
227799540,3rtkit-daemon2276-21rtkit-daemon20:15:301
227799540,11rtkit-daemon0-21swapper/022:15:211
45802534,19sleep10-21swapper/123:54:381
2761699535,36cyclictest0-21swapper/123:38:001
2761699535,32cyclictest0-21swapper/122:55:591
2761699534,33cyclictest0-21swapper/119:42:591
2761699526,33cyclictest0-21swapper/121:24:591
2761699525,34cyclictest0-21swapper/123:17:591
2761699525,33cyclictest0-21swapper/120:34:591
227799520,3rtkit-daemon2276-21rtkit-daemon23:48:091
2761699519,36cyclictest0-21swapper/121:05:241
2761699515,33cyclictest0-21swapper/123:29:591
2761699515,32cyclictest0-21swapper/123:10:581
2761699515,32cyclictest0-21swapper/122:04:581
2761699515,30cyclictest0-21swapper/120:05:591
2761699514,31cyclictest0-21swapper/120:23:001
2761699505,34cyclictest0-21swapper/119:28:591
2761699505,33cyclictest0-21swapper/120:41:591
2761699505,32cyclictest0-21swapper/121:16:591
27616995030,15cyclictest0-21swapper/100:34:211
27616995026,17cyclictest0-21swapper/123:30:341
27616995017,27cyclictest0-21swapper/122:10:201
2761699495,37cyclictest0-21swapper/119:48:041
2761699495,32cyclictest0-21swapper/119:32:001
27616994920,24cyclictest0-21swapper/122:44:571
27616994911,28cyclictest0-21swapper/119:54:591
227799490,5rtkit-daemon2276-21rtkit-daemon23:20:421
2761699488,28cyclictest0-21swapper/121:13:591
2761699485,32cyclictest0-21swapper/100:00:591
2761699484,35cyclictest0-21swapper/123:05:591
27616994823,18cyclictest0-21swapper/120:02:401
227799480,5rtkit-daemon2276-21rtkit-daemon21:45:411
2761699475,35cyclictest0-21swapper/121:54:191
2761699475,32cyclictest0-21swapper/119:19:591
2761699475,29cyclictest0-21swapper/120:28:591
27616994726,15cyclictest0-21swapper/122:25:581
227799470,4rtkit-daemon2276-21rtkit-daemon22:05:561
2761699465,35cyclictest0-21swapper/122:36:391
2761699465,31cyclictest0-21swapper/100:36:591
2761699464,35cyclictest0-21swapper/123:56:031
2761699455,30cyclictest0-21swapper/100:23:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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