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2026-06-09 - 15:54
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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 Jun 09, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32260211918,22sleep032290-21df_inode07:17:590
9718211714,90sleep09776-21fschecks_time07:48:050
30462211615,88sleep030510-21sed08:52:460
27692210814,81sleep027707-21munin-node12:03:070
4840210714,80sleep04861-21fschecks_count07:33:050
32544210713,81sleep032554-21idleruntime08:58:120
20376210414,16sleep020384-21vmstat11:38:460
12947210314,16sleep012982-21fschecks_count07:58:060
522329914,17sleep05227-21munin-node10:53:190
2049829915,16sleep03250-21snmpd08:20:530
2235929714,16sleep022415-21cat08:27:470
1533129714,16sleep015355-21users08:03:430
1126429714,16sleep011265-21munin-node11:12:570
1015029714,16sleep010153-21iostat12:48:160
656829614,16sleep06597-21df_inode10:58:020
214629614,16sleep02164-21ntp_kernel_pll_12:23:270
180829614,16sleep01812-21hddtemp_smartct10:43:100
139029614,16sleep01444-21aten_r4power_po09:02:580
1289999615,72cyclictest14790-21munin-node11:23:060
1289999614,73cyclictest7107-21munin-node07:38:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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