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2025-02-11 - 06:43
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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 100 highest latencies:
System rack1slot8.osadl.org (updated Tue Feb 11, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
108329919231850,67cyclictest1139-21nscd19:10:130
1083599487464,10cyclictest0-21swapper/119:10:121
1083299379303,39cyclictest29008-21munin-node20:00:210
1083599346303,29cyclictest0-21swapper/120:00:201
315062900,5sleep131505-21ssh23:31:401
1061628156,16sleep00-21swapper/019:08:130
996027630,31sleep10-21swapper/119:05:231
10832997539,30cyclictest78950irq/46-eth0-tx-23:10:090
1083299743,64cyclictest17604-21ssh23:04:460
1083299734,62cyclictest0-21swapper/023:30:260
10832997313,54cyclictest6094-21munin-node21:40:190
1083299725,60cyclictest0-21swapper/021:14:160
1083299723,44cyclictest31406-21ssh21:27:090
1083299723,44cyclictest31406-21ssh21:27:080
1083299716,37cyclictest25854-21irqstats23:20:190
1083299715,60cyclictest0-21swapper/022:49:580
1083299713,43cyclictest535-21ssh00:36:450
1083299712,45cyclictest20635-21missed_timers19:35:200
10832997119,37cyclictest78950irq/46-eth0-tx-23:42:060
10832997116,49cyclictest78950irq/46-eth0-tx-00:06:050
10832997115,50cyclictest78950irq/46-eth0-tx-21:51:250
6272700,3sleep1626-21ssh00:37:011
1083299709,31cyclictest78950irq/46-eth0-tx-22:17:370
1083299703,41cyclictest23954-21ssh00:20:120
1083299702,62cyclictest1563-21latency_hist22:35:010
1083299702,54cyclictest12188-21seq23:56:070
10832997014,50cyclictest78950irq/46-eth0-tx-23:37:260
1083599692,61cyclictest9301-21sh21:46:221
1083599692,60cyclictest15672-21munin-node23:00:211
1083299694,39cyclictest16371-21ssh22:00:120
1083299693,60cyclictest13491-21munin-node21:55:260
1083299693,44cyclictest27255-21ssh00:26:460
1083299693,43cyclictest19852-21ssh00:11:580
1083299693,41cyclictest9953-21ssh23:53:040
1083299693,38cyclictest27666-21ssh21:20:010
1083299692,43cyclictest22593-21ssh00:16:350
10832996916,47cyclictest78950irq/46-eth0-tx-22:41:150
10832996916,47cyclictest78950irq/46-eth0-tx-21:34:330
10835996849,13cyclictest0-21swapper/120:41:561
1083299686,55cyclictest9150-21ssh21:45:530
1083299684,44cyclictest23500-21ssh23:15:250
1083299683,41cyclictest29961-21ssh22:26:350
1083299682,60cyclictest4367-21sh22:39:400
1083299682,51cyclictest20922-21ssh22:10:090
1083299682,44cyclictest19352-21ssh22:05:360
10832996818,37cyclictest78950irq/46-eth0-tx-22:57:210
1083599672,59cyclictest17955-21munin-run00:10:001
1083299678,53cyclictest0-21swapper/021:22:220
1083299677,40cyclictest3487-21df21:35:160
1083299675,53cyclictest0-21swapper/000:00:160
1083299674,57cyclictest0-21swapper/023:49:100
1083299674,57cyclictest0-21swapper/023:49:100
1083299672,58cyclictest5747-21munin-node20:25:210
1083299672,58cyclictest20040-21latency_hist21:05:010
1083299672,58cyclictest10918-21ssh22:51:490
1083599662,58cyclictest26793-21sh23:21:161
1083599662,58cyclictest14711-21sh22:59:431
1083599662,58cyclictest14175-21runrttasks19:17:301
1083299663,58cyclictest16231-21latency_hist19:25:010
1083299663,40cyclictest14583-21munin-node19:20:270
1083299662,58cyclictest3342-21taskset20:15:330
1083299662,49cyclictest30150-21ssh00:31:490
10835996547,12cyclictest0-21swapper/121:40:471
1083299655,38cyclictest5597-21munin-run20:25:010
1083299654,56cyclictest0-21swapper/021:09:020
1083299654,54cyclictest0-21swapper/022:20:110
1083299652,58cyclictest27049-21latency_hist19:55:020
1083299652,58cyclictest14615-21latency_hist20:50:030
1083299652,57cyclictest28269-21ssh23:25:310
1083299652,57cyclictest21850-21diskmemload23:07:070
1083299652,57cyclictest11008-21latency_hist20:40:000
1083599642,56cyclictest6008-21latency_hist21:40:011
1083599642,52cyclictest15959-21ksmtuned19:22:211
1083299643,55cyclictest11315-21runrttasks20:40:140
1083599632,55cyclictest30540-21ssh21:24:481
1083599632,54cyclictest6397-21sh22:41:591
1083299636,52cyclictest0-21swapper/019:59:000
1083299632,55cyclictest653-21if_err_eth020:10:200
1083599622,55cyclictest18666-21munin-node21:00:151
1083599622,54cyclictest7523-21ssh23:49:261
1083599622,54cyclictest7523-21ssh23:49:261
1083599622,54cyclictest6034-21munin-node20:25:141
1083599622,54cyclictest22984-21ssh22:13:021
1083599622,54cyclictest22436-21munin-node23:15:251
1083599622,54cyclictest10188-21sh23:53:511
1083599622,53cyclictest78850irq/45-eth0-rx-22:35:231
1083599622,53cyclictest10057-21munin-node22:50:191
1083299626,50cyclictest0-21swapper/019:30:200
1083299626,50cyclictest0-21swapper/019:17:300
1083599615,50cyclictest0-21swapper/100:17:001
1083599612,54cyclictest20599-21munin-node19:35:201
1083599612,53cyclictest31345-21munin-node20:05:171
1083599612,53cyclictest22186-21ssh23:14:511
1083599612,53cyclictest22121-21munin-node19:40:161
1083599612,53cyclictest18649-21sh22:03:481
1083599612,53cyclictest1791-21ksmtuned20:13:281
1083599612,53cyclictest15058-21sh21:56:321
1083599602,52cyclictest5862-21taskset23:44:331
1083599602,52cyclictest31045-21idleruntime-cro22:30:001
1083599602,52cyclictest28285-21sh22:21:421
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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