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2025-11-03 - 10:49
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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 Mon Nov 03, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
312602198222sleep31258-21ls19:02:590
3170399268216cyclictest9914-21cut00:37:410
3170399256232cyclictest24478-21ssh23:18:180
3170399256226cyclictest27467-21ssh23:32:030
3170399255229cyclictest29364-21df21:17:350
3170399254230cyclictest29852-21load21:18:590
3170399253224cyclictest16263-21latency_hist22:42:270
3170399253188cyclictest20684-21munin-run23:02:150
3170399251225cyclictest13685-21ssh22:30:470
3170399251184cyclictest13202-21cpu20:07:160
317039925051cyclictest4440-21ntp_states21:49:270
3170399250225cyclictest17040-21ssh22:45:270
3170399250219cyclictest20281-21grep20:37:450
317039924947cyclictest2031-21ssh21:39:220
3170399249224cyclictest14158-21fschecks_count22:33:000
3170399249222cyclictest5449-21df_inode00:17:520
3170399249218cyclictest32692-21ntp_states23:54:340
3170399247217cyclictest30206-21cat23:43:350
3170399247216cyclictest32024-21ssh21:28:460
3170399247216cyclictest28221-21diskmemload21:12:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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