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2025-11-22 - 22:55
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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 Sat Nov 22, 2025 12:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14642133525sleep1468-21proc_pri07:02:190
211099254184cyclictest12461-21cpu12:36:460
211099253191cyclictest22412-21ssh10:57:130
211099250222cyclictest7341-21apt12:13:290
211099249224cyclictest29482-1kworker/0:1H10:32:040
211099247222cyclictest3589-21chrt09:33:060
211099247221cyclictest1245-21fschecks_count11:47:240
211099247183cyclictest22967-21ssh10:58:560
211099247181cyclictest31308-21df11:36:540
211099247181cyclictest25949-21fschecks_time11:12:390
211099246214cyclictest10851-21ssh12:29:010
211099245180cyclictest23583-21df_inode11:02:210
211099244216cyclictest11859-21runrttasks10:10:020
211099244215cyclictest13404-21latency_hist10:17:190
211099243216cyclictest28959-21fschecks_time09:02:100
211099243180cyclictest8792-21ssh12:20:280
211099243178cyclictest31418-21if_err_eth009:12:550
211099242218cyclictest30099-21cpu11:31:430
211099242214cyclictest23327-21irqstats08:37:270
211099242212cyclictest28100-21ntp_states08:58:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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