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2025-12-06 - 16:51
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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 Sat Dec 06, 2025 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1672727560,5sleep016726-21munin-node07:08:380
5793212314,95sleep05796-21open_files09:53:570
15032211714,90sleep015087-21munin-node12:03:260
28610210213,17sleep028615-21grep09:24:050
15054210214,16sleep015078-21df_abs10:23:280
709210013,16sleep0730-21open_inodes07:58:580
10518210014,21sleep010529-21ntp_states08:28:520
2482529914,16sleep024826-21iostat_ios07:33:430
1403229914,15sleep014051-21sensors_temp10:19:000
1303429915,15sleep03217-21snmpd11:56:200
2726029813,16sleep027283-21timerandwakeup12:39:210
2215029813,72sleep021501-21munin-node12:23:560
538029714,15sleep05406-21cat08:13:360
515529717,16sleep05146-21latency_hist11:33:110
2637429714,15sleep026396-21if_err_eth007:38:390
17877999714,74cyclictest2431-21latency11:23:450
1800729614,15sleep03217-21snmpd10:33:080
253629514,15sleep02583-21processes09:44:000
1045629514,22sleep010469-21sed10:08:450
17877999415,70cyclictest12340-21proc_pri10:14:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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