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2026-04-24 - 01:38
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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 Thu Apr 23, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2959723980,5sleep029595-21sensors_temp07:13:280
7108211014,41sleep06304-21munin-node09:23:440
28398210714,36sleep028446-21uptime12:08:500
304519910015,76cyclictest11440-21grep09:38:140
2056229914,16sleep03250-21snmpd11:45:270
30451999818,71cyclictest3684-21munin-node07:33:400
2432329714,16sleep024337-21df_inode10:18:080
180729713,15sleep01808-21memory07:28:290
820129614,16sleep08204-21df_inode11:08:090
30451999617,70cyclictest3239-21diskstats09:13:090
30451999614,73cyclictest18440-21munin-node08:18:460
1359429514,16sleep013621-21switchtime09:43:450
1167429514,16sleep011678-21iostat_ios11:18:200
30451999414,71cyclictest22656-21forks08:33:120
2797329414,16sleep028001-21ps08:48:390
1837729415,16sleep018375-21ntp_states11:38:350
1665029414,16sleep016668-21ntp_states09:53:340
364329315,16sleep03646-21iostat12:33:220
3098529314,15sleep030994-21uname08:58:250
2758229315,16sleep027585-21diskstats10:28:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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