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2025-12-11 - 08:17
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Thu Dec 11, 2025 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151154060,0ktimers/0218881sleep18:52:010
527504800,0irq/11-sym53c8x130150irq/15-NE200019:31:320
1514600,0ktimers/0147101sleep23:31:040
1514530,0ktimers/0123441sleep20:42:430
1514490,0ktimers/021261sleep19:56:020
1514310,0ktimers/068061sleep20:17:010
1514130,0ktimers/0114391sleep20:38:130
1514010,0ktimers/0251451sleep00:21:200
1513830,0ktimers/0260171sleep21:46:590
1513830,0ktimers/0174271sleep23:42:260
2223199374195,0cyclictest1927-21runrttasks22:22:270
2223199370198,0cyclictest30929-21cut22:11:060
2223199370190,0cyclictest10692-21aten_r3power_po23:08:020
2223199367218,0cyclictest47-21kswapd022:26:400
1513660,0ktimers/0214511sleep21:26:120
2223199365203,0cyclictest18912-21grep23:51:190
527503630,0irq/11-sym53c8x130150irq/15-NE200022:41:120
2223199362216,0cyclictest14903-21ls20:56:090
2223199360176,0cyclictest4831-21awk20:07:230
1513600,0ktimers/092531sleep23:02:160
1513590,0ktimers/0245731sleep00:17:320
2223199358209,0cyclictest27079-21grep19:21:170
2223199358176,0cyclictest7709-21sed22:56:060
2223199358171,0cyclictest21255-21aten_r3power_vo00:01:540
2223199357226,0cyclictest23487-21munin-node19:01:320
2223199357189,0cyclictest8783-21cat23:01:060
2223199357189,0cyclictest31648-21chrt19:41:590
2223199357185,0cyclictest12139-21df_inode23:17:020
2223199357174,0cyclictest7795-21apt20:21:350
2223199356187,0cyclictest23673-21basename00:12:500
2223199355187,0cyclictest29245-21nfs_client22:02:180
2223199355169,0cyclictest16826-21chrt23:40:260
2223199354209,0cyclictest893-21jbd2/sda1-822:36:090
2223199354186,0cyclictest22574-21grep00:07:220
2223199352213,0cyclictest15076-21tr20:56:320
2223199352179,0cyclictest9648-21mailstats20:31:260
2223199351206,0cyclictest28707-21munin-run22:01:040
2223199351179,0cyclictest3522-21cut20:01:550
2223199351178,0cyclictest20166-21grep23:56:540
2223199351176,0cyclictest13330-21grep20:47:340
2223199350200,0cyclictest22630-21mailstats21:31:160
2223199350181,0cyclictest29115-21cron19:31:070
2223199350172,0cyclictest460-21sshd22:19:020
2223199349181,0cyclictest24435-21wget21:37:540
2223199349181,0cyclictest19457-21ntp_states21:16:340
2223199349180,0cyclictest26624-21cat19:17:110
2223199349180,0cyclictest26190-21grep19:16:070
2223199349179,0cyclictest22098-21grep21:27:380
2223199349178,0cyclictest5743-21wget20:11:590
2223199349167,0cyclictest2750-21ntp_states22:31:300
2223199348211,0cyclictest22197-21kworker/u4:2+flush-8:020:26:310
2223199348181,0cyclictest0-21swapper23:11:340
2223199348179,0cyclictest12700-21chrt23:21:220
2223199347176,0cyclictest16447-21munin-node21:02:140
2223199347174,0cyclictest30997-21if_eth119:37:430
2223199347173,0cyclictest617-21sed19:47:390
2223199346205,0cyclictest18374-21ntpq21:11:320
2223199346174,0cyclictest22747-21grep18:57:190
2223199346172,0cyclictest6032-21expr22:47:220
2223199345173,0cyclictest18599-21sshd23:48:180
2223199343177,0cyclictest31031-21aten_r3power_cu22:11:180
2223199343175,0cyclictest17641-21cut21:07:260
2223199343167,0cyclictest1654-21snmpd19:06:510
2223199342176,0cyclictest25515-21wget21:42:500
2223199342172,0cyclictest26957-21munin-node21:51:140
2223199342169,0cyclictest3079-21chrt19:58:510
2223199340166,0cyclictest15234-21nfs_client23:32:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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