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2025-08-27 - 14:37
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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 Wed Aug 27, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2590499799728,65cyclictest26491-21idleruntime07:10:170
2590599767724,28cyclictest0-21swapper/107:10:181
255272705681,17sleep00-21swapper/007:06:380
2590499404328,70cyclictest0-21swapper/008:35:220
2590599390321,37cyclictest0-21swapper/108:35:231
256632390369,15sleep10-21swapper/107:07:581
72362850,3sleep015-21rcuop/109:14:280
2590499804,46cyclictest31231-21ssh10:50:010
2590499794,69cyclictest0-21swapper/010:04:110
57862770,4sleep15785-21pluginstate11:00:231
2590499773,44cyclictest31366-21latency_hist07:25:000
2590499762,60cyclictest28021-21latency_hist08:45:010
2590599722,63cyclictest10902-21munin-node09:20:141
25904997225,41cyclictest78950irq/46-eth0-tx-09:23:060
25904997222,44cyclictest78950irq/46-eth0-tx-11:20:260
2590499722,60cyclictest13835-21sh10:20:070
25904997218,48cyclictest78950irq/46-eth0-tx-10:43:220
2590499714,52cyclictest0-21swapper/007:18:370
2590499714,51cyclictest0-21swapper/012:07:370
2590499713,61cyclictest23157-21runrttasks12:26:440
25904997120,45cyclictest78950irq/46-eth0-tx-12:23:100
25904997113,52cyclictest78950irq/46-eth0-tx-11:45:130
2590599702,61cyclictest13116-21munin-node12:10:141
2590599702,60cyclictest3630-21munin-node09:05:221
2590499708,56cyclictest12655-21ssh11:12:220
2590499704,39cyclictest26189-21ssh11:35:250
2590499703,43cyclictest16402-21ssh11:19:570
25904997026,28cyclictest78950irq/46-eth0-tx-09:20:000
2590499702,61cyclictest1427-21runrttasks12:37:230
2590499702,55cyclictest6785-21ssh11:59:080
2590499702,46cyclictest15925-21munin-node08:10:180
25904997015,49cyclictest78950irq/46-eth0-tx-12:04:240
2590499693,59cyclictest17487-21ssh09:30:270
2590499692,62cyclictest21268-21ssh10:31:290
2590499692,61cyclictest20821-21munin-node08:25:120
2590499692,46cyclictest8019-21munin-node10:10:300
2590499692,41cyclictest19680-21ssh09:35:020
25904996917,46cyclictest78950irq/46-eth0-tx-09:25:500
25904996915,48cyclictest78950irq/46-eth0-tx-12:31:570
25904996913,50cyclictest78950irq/46-eth0-tx-09:53:140
25904996910,51cyclictest78950irq/46-eth0-tx-10:55:190
2590499683,58cyclictest6700-21ssh11:01:570
2590499683,58cyclictest22774-21munin-node09:40:260
2590499683,41cyclictest18995-21ssh10:28:320
2590499683,40cyclictest10597-21idleruntime-cro11:10:000
25904996821,33cyclictest78950irq/46-eth0-tx-11:33:350
2590499682,60cyclictest22415-21latency_hist10:35:020
2590499682,60cyclictest22415-21latency_hist10:35:020
2590499682,52cyclictest12482-21ssh10:16:240
25905996749,12cyclictest0-21swapper/110:12:271
2590599673,56cyclictest16643-21aten_r1power_cu11:20:111
2590599672,58cyclictest18955-21ssh09:33:181
2590499674,57cyclictest0-21swapper/007:50:080
2590499674,43cyclictest16472-21memory12:15:210
2590499673,58cyclictest4625-21diskmemload11:41:220
2590499673,58cyclictest12815-21timerwakeupswit08:00:260
2590499673,58cyclictest1067-21snmpd09:02:420
2590499673,39cyclictest19872-21ssh11:25:200
2590499672,59cyclictest4620-21latency_hist09:10:000
2590499672,59cyclictest31379-21sh10:50:080
2590499672,59cyclictest10147-21cpu07:55:130
2590499672,58cyclictest31482-21latency_hist08:55:010
2590499672,47cyclictest4625-21diskmemload12:11:140
25904996718,34cyclictest78950irq/46-eth0-tx-11:50:370
2590599662,58cyclictest30153-21munin-node08:50:161
2590599662,58cyclictest28067-21munin-node12:35:251
2590599662,58cyclictest27717-21ssh09:47:501
2590499662,6cyclictest4625-21diskmemload09:46:030
2590499662,58cyclictest383-21ssh09:55:380
2590499662,58cyclictest15058-21seq08:08:040
2590499662,57cyclictest792-21latency_hist07:30:010
2590599653,55cyclictest1787-21sh10:54:591
2590599652,57cyclictest28661-21munin-node07:15:271
2590599652,57cyclictest17344-21munin-node10:25:191
2590599652,56cyclictest13431-21ssh11:14:461
2590499657,53cyclictest19472-21sort08:20:180
2590499657,52cyclictest0-21swapper/008:17:270
2590499654,38cyclictest6985-21memory07:45:200
2590499653,55cyclictest23173-21kernelversion08:30:190
2590499652,57cyclictest6368-21sh10:05:320
2590599642,56cyclictest21319-21munin-node08:25:181
2590599642,56cyclictest205872sleep112:22:381
2590599642,55cyclictest1427-21runrttasks11:35:311
2590599642,52cyclictest10518-21munin-node07:55:181
2590499642,41cyclictest4580-21munin-node07:40:220
2590599638,50cyclictest78850irq/45-eth0-rx-10:20:571
2590599633,55cyclictest14949-21munin-node09:25:321
2590599632,55cyclictest6622-21munin-node07:45:161
2590599632,54cyclictest29139-21munin-node10:45:231
2590599632,42cyclictest20326-21munin-node09:35:191
2590499632,40cyclictest2775-21munin-node07:35:220
2590499632,40cyclictest2775-21munin-node07:35:210
2590599623,53cyclictest339-21sh09:55:301
2590599623,53cyclictest25076-21munin-run11:35:011
2590599622,54cyclictest8617-21hwlatdetect07:50:171
2590599622,54cyclictest3947-21sh11:54:081
2590599622,54cyclictest16653-21munin-node12:15:241
2590599622,54cyclictest1427-21runrttasks08:33:221
2590599622,54cyclictest12128-21grep08:00:171
2590599622,53cyclictest9164-21ssh09:16:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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