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2025-11-24 - 14:16
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 20 highest latencies:
System rack8slot1.osadl.org (updated Mon Nov 24, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2048899221139,0cyclictest28009-21df_inode19:00:460
2048899219131,0cyclictest8592-21awk19:36:490
2048899217131,0cyclictest21068-21munin-node23:16:230
2048899216141,0cyclictest27493-21df_inode20:30:510
2048899216137,0cyclictest26481-21unixbench_singl18:56:120
2048899215134,0cyclictest16821-21sendmail_mailtr23:05:100
2048899213135,0cyclictest3355-21runrttasks23:13:070
2048899213135,0cyclictest25803-21munin-run18:54:590
2048899213132,0cyclictest31745-21munin-node23:46:550
2048899213131,0cyclictest3355-21runrttasks20:10:300
2048899212136,0cyclictest12944-21cut21:21:060
2048899212134,0cyclictest9800-21snmpd21:57:190
2048899212133,0cyclictest4603-21cut20:57:010
2048899212130,0cyclictest2880-21fschecks_time23:57:100
2048899212129,0cyclictest14764-21grep21:26:130
2048899211136,0cyclictest2424-21ntpq19:20:270
2048899211133,0cyclictest2168-21seq19:19:550
2048899211130,0cyclictest9800-21snmpd20:50:220
2048899211129,0cyclictest3355-21runrttasks00:01:530
2048899211129,0cyclictest2077-21perl22:22:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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