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2026-03-17 - 16:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Tue Mar 17, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1136421200,4sleep011365-21sed11:49:390
23773211014,83sleep023774-21munin-node07:29:220
1900321090,4sleep019000-21tune2fs07:14:250
18565210820,64sleep018577-21munin-run07:14:020
3397210620,16sleep03428-21sort08:04:550
1751921040,4sleep017520-21basename08:49:280
31728210114,17sleep031801-21cat11:14:040
4699210014,15sleep04701-21irqstats09:49:350
186789910014,76cyclictest27396-21munin-node10:59:320
1796529914,15sleep017316-21munin-node12:09:490
866229814,15sleep03250-21snmpd08:21:510
2860429814,16sleep028668-21df09:24:160
18678999814,73cyclictest8299-21munin-node09:59:530
2391829615,16sleep023921-21df_inode10:49:190
137429615,15sleep01385-21missed_timers07:59:370
955629515,16sleep09558-21irqstats10:04:320
2284129513,16sleep022857-21timerwakeupswit07:24:570
1569729514,16sleep015722-21df_abs08:44:170
2704129413,15sleep00-21swapper12:39:130
2569429414,16sleep025702-21memory07:34:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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