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2026-04-06 - 15:11
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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 06, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7575210813,82sleep07597-21if_err_eth012:31:330
5945210414,16sleep05946-21munin-node10:46:360
17121210414,21sleep017127-21iostat_ios08:01:340
11877210415,17sleep011881-21crond11:06:070
10273210414,21sleep010328-21cpu07:41:180
4090210314,16sleep04139-21df12:21:220
11961210314,16sleep011971-21munin-run12:46:070
630210214,16sleep0644-21aten_r4power_cu12:11:180
28962210214,19sleep028209-21munin-node11:56:550
27072210214,16sleep03303-21ntpd08:31:480
2649210214,16sleep02675-21ls08:56:420
2565229914,16sleep025668-21munin-node08:26:580
1917929914,16sleep019215-21date08:07:000
1251529914,16sleep012527-21missed_timers11:06:420
732529814,16sleep07329-21hddtemp_smartct07:31:300
587929814,16sleep05902-21wc07:26:440
3009229814,16sleep030098-21iostat_ios08:41:330
2851729813,15sleep028135-21munin-node10:16:330
2722729814,15sleep027228-21ntp_states11:51:490
1410129814,15sleep014128-21netstat09:31:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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