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2026-04-27 - 18:37
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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 Mon Apr 27, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
952323520,6sleep09524-21sed07:18:170
27363210615,26sleep027408-21cat08:13:190
20004210114,16sleep020016-21needreboot09:28:550
487210015,28sleep032334-21munin-node08:28:580
4307210014,16sleep04308-21users10:19:160
29300210015,72sleep029301-21diskstats08:18:350
1685221000,4sleep016850-21ntp_states09:19:010
12131210015,16sleep012134-21ntp_states12:24:000
227829915,15sleep02302-21sendmail_mailqu08:34:080
1783229914,17sleep017902-21egrep07:43:310
1493529914,15sleep014950-21basename09:13:440
1331029914,16sleep013326-21if_err_eth009:08:430
9622999815,73cyclictest9084-21munin-node08:54:170
9622999715,72cyclictest26356-21hddtemp_smartct11:28:420
1508929714,16sleep015116-21munin-node07:33:590
9622999615,71cyclictest16277-21basename10:58:280
9622999614,73cyclictest17972-21munin-node12:43:320
665329614,16sleep06706-21df10:28:310
3129029614,16sleep031293-21iostat11:43:470
3114829615,16sleep031149-21iostat_ios08:23:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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