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2026-04-27 - 18:23
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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 50 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
2465929614,17sleep024660-21iostat_ios08:03:480
9622999514,72cyclictest13033-21munin-node10:48:300
9622999514,72cyclictest116232sleep010:43:370
2826529514,17sleep028263-21ntp_states11:34:000
1024129514,16sleep010257-21missed_timers08:58:560
690329415,16sleep06904-21iostat_ios08:48:480
590529414,16sleep03250-21snmpd08:44:370
2951229414,16sleep029516-21hddtemp_smartct09:58:410
2670529415,16sleep026723-21sensors_volt09:49:080
2319829414,16sleep023200-21irqstats11:18:490
1206229414,15sleep012065-21smart_hda07:24:100
9622999314,69cyclictest21235-21fschecks_count07:53:370
535529315,16sleep05356-21iostat_ios10:23:470
380929314,17sleep03810-21iostat_ios11:58:490
2963729315,16sleep029668-21iostat11:38:460
1932729315,16sleep019333-21munin-run09:28:180
1555929314,15sleep015578-21wc10:54:140
1197729315,16sleep011975-21ntp_states09:04:010
100229315,16sleep01044-21users11:49:160
9622999215,68cyclictest13111-21munin-node12:29:030
2149629214,16sleep021497-21irqstats09:33:490
1699429215,16sleep016992-21ntp_states12:38:590
1026329214,16sleep010279-21ntp_states07:18:590
851629114,16sleep08520-21hddtemp_smartct10:33:440
2494429114,16sleep024942-21ntp_states09:44:000
2458429114,16sleep024587-21diskstats11:23:350
2265629113,15sleep022690-21date11:18:190
9622999015,38cyclictest7538-21timerwakeupswit12:09:150
9622999014,67cyclictest15354-21ntpdc12:33:560
9622999013,68cyclictest16287-21munin-node07:38:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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