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2026-05-26 - 23:16
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot7.osadl.org (updated Tue May 26, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140180ksoftirqd/08111-21kworker/0:207:02:540
14991390watchdog/031393-21df_inode09:58:030
14991290watchdog/026759-21unixbench_singl11:28:030
14991280watchdog/011400-21nfs_client12:23:070
14991270watchdog/020313-21munin-node09:22:510
14991260watchdog/04770-21munin-node12:03:030
14991240watchdog/015430-21munin-node07:23:230
14991210watchdog/012881-21awk08:58:030
14991210watchdog/010224-21find10:33:230
14991190watchdog/018897-21ntp_offset11:02:590
14991180watchdog/08505-21needreboot08:43:110
14991180watchdog/083452sleep010:28:070
14991180watchdog/014840-21missed_timers12:33:230
14991170watchdog/092412sleep012:17:310
14991160watchdog/029988-21aten2.4_r3power08:08:070
14991150watchdog/06811-21nfs_client10:23:070
14991150watchdog/02792-21runrttasks09:12:590
14991140watchdog/011827-21seq10:38:230
14991130watchdog/019272-21aten2.4_r3power07:33:190
14991130watchdog/015320-21latency_hist07:22:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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