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2026-03-12 - 01:58
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 50 highest latencies:
System rack4slot2.osadl.org (updated Thu Mar 12, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502800,0irq/46-4a1000005765-1kworker/u3:019:06:020
7622998356,0cyclictest0-21swapper21:02:000
7622998157,0cyclictest0-21swapper21:52:010
7622997754,0cyclictest0-21swapper21:12:000
7622997552,0cyclictest0-21swapper21:47:010
7622997551,0cyclictest0-21swapper20:36:580
7622997250,0cyclictest0-21swapper22:57:020
7622997148,0cyclictest14875-21runrttasks00:10:350
7450710,0irq/46-4a10000010651-21/usr/sbin/munin20:47:340
7622997054,0cyclictest20619-21/usr/sbin/munin00:27:130
7622997042,0cyclictest0-21swapper19:57:450
7622997038,0cyclictest17693-21/usr/sbin/munin21:07:410
7622996951,0cyclictest4803-21latency_hist22:06:510
7622996950,0cyclictest9716-21runrttasks20:45:180
7622996949,0cyclictest7350irq/45-4a10000023:42:050
7622996945,0cyclictest0-21swapper22:41:590
7622996844,0cyclictest24863-21runrttasks23:03:200
7622996844,0cyclictest0-21swapper20:51:580
7622996833,0cyclictest8763-21sed19:07:470
7622996753,0cyclictest24517-21/usr/sbin/munin19:52:420
7622996748,0cyclictest25409-21runrttasks23:06:560
7622996745,0cyclictest30277-21runrttasks23:20:450
7622996743,0cyclictest5202-21df_inode20:32:090
7450670,0irq/46-4a1000001621-21egrep20:22:040
7622996655,0cyclictest7350irq/45-4a10000022:01:500
7622996654,0cyclictest7350irq/45-4a10000020:07:080
7622996654,0cyclictest7350irq/45-4a10000019:42:070
7622996647,0cyclictest27545-21/usr/sbin/munin23:12:190
7622996647,0cyclictest20952-21/usr/sbin/munin21:17:340
7622996635,0cyclictest0-21swapper22:27:140
7622996633,0cyclictest11973-1kworker/u3:019:21:580
7622996552,0cyclictest7350irq/45-4a10000019:12:380
7622996551,0cyclictest7350irq/45-4a10000000:12:140
7622996547,0cyclictest18819-1kworker/u3:119:37:180
7622996546,0cyclictest31458-21sensors23:22:520
7622996546,0cyclictest0-21swapper21:43:140
7622996540,0cyclictest0-21swapper20:21:200
7622996533,0cyclictest1667-21/usr/sbin/munin23:32:040
7622996529,0cyclictest11970-21df19:17:060
7622996453,0cyclictest7350irq/45-4a10000022:32:120
7622996451,0cyclictest7350irq/45-4a10000023:57:400
7622996447,0cyclictest17856-21timerwakeupswit19:32:440
7622996443,0cyclictest6874-21df_abs23:47:080
7622996442,0cyclictest26572-21runrttasks21:33:270
7622996432,0cyclictest4339-1kworker/u3:120:30:090
7622996352,0cyclictest7350irq/45-4a10000021:37:350
7622996352,0cyclictest7350irq/45-4a10000000:32:310
7622996347,0cyclictest24156-21fw_conntrack21:27:200
7622996346,0cyclictest3737-21/usr/sbin/munin23:37:250
7622996345,0cyclictest20715-21fschecks_time22:52:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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