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2026-04-30 - 16:43
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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: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot3.osadl.org (updated Thu Apr 30, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2387399239216cyclictest29891-21ntpdc09:53:100
2387399238213cyclictest9268-21cut10:38:380
31807222919sleep31809-21cpuspeed07:41:240
26187222518sleep26185-21sort11:47:080
2387399223199cyclictest14354-21ssh10:58:420
2387399222198cyclictest26661-21ssh09:40:510
2387399222195cyclictest5192-21sshd12:31:580
4019222122sleep4018-21date08:01:260
28527221917sleep28529-21latency09:47:500
2387399219195cyclictest29968-21df_inode12:01:560
2442221718sleep2438-21latency_hist12:21:410
2387399216191cyclictest18248-21diskmemload09:46:070
2387399211187cyclictest16300-21processes08:57:320
2387399210182cyclictest19070-21ssh09:09:460
2387399209185cyclictest16285-21ssh11:07:100
20867220916sleep20869-21fschecks_time09:17:270
2387399207143cyclictest32003-21fschecks_time07:41:490
2387399206180cyclictest21515-21missed_timers11:28:110
2387399204179cyclictest15622-21wc11:03:420
32684220219sleep32686-21mailstats10:03:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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