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2026-04-03 - 20:25
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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 20 highest latencies:
System rack7slot3.osadl.org (updated Fri Apr 03, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134632119019sleep13467-21if_err_eth007:02:190
1434999258193cyclictest18231-21latency11:53:390
1434999256231cyclictest19739-21ssh09:49:310
1434999256225cyclictest31487-21ssh10:37:200
1434999255226cyclictest26819-21tune2fs12:28:070
1434999254228cyclictest6227-21fgrep11:04:240
1434999253228cyclictest3275-21ssh10:53:170
1434999252221cyclictest11659-21latency_hist11:27:230
1434999252185cyclictest25341-21df_inode12:22:390
1434999249216cyclictest12483-21sh11:30:060
1434999248223cyclictest23889-21munin-run12:17:090
1434999248185cyclictest23118-21ssh10:03:390
1434999247222cyclictest537-21fschecks_time10:43:040
1434999247218cyclictest5171-21ssh11:00:290
1434999247217cyclictest25419-21ssh12:22:520
1434999247186cyclictest17744-21sh11:52:090
1434999246222cyclictest14386-21fschecks_time09:28:140
1434999246221cyclictest10423-21df11:22:210
1434999246213cyclictest21630-21df_inode12:07:390
1434999245219cyclictest9323-21df_inode11:17:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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