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2025-11-28 - 12:47
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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 Fri Nov 28, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
475899262236cyclictest7895-21load00:03:070
475899258199cyclictest1541-21sendmail23:36:220
475899255189cyclictest5705-21nfs4_client23:53:230
475899254206cyclictest17046-21munin-node0
475899254193cyclictest11199-1rm21:55:220
475899253228cyclictest30024-21cut23:18:050
475899252227cyclictest7447-21ssh00:01:520
475899252224cyclictest59-21jbd2/mmcblk0p2-00:34:420
475899251222cyclictest4484-21ssh21:25:580
475899250221cyclictest29584-21df23:16:500
475899249222cyclictest26976-21munin-node0
475899249221cyclictest2720-21lxpanel20:22:340
475899249221cyclictest25150-21ssh22:57:060
475899248224cyclictest6791-21sh21:36:160
475899248221cyclictest32295-21diskmemload21:40:380
475899247215cyclictest7279-21grep19:16:590
475899246222cyclictest16035-21ssh22:17:000
475899246221cyclictest4753-21cyclictest21:47:060
475899246219cyclictest28654-21awk20:48:450
475899246218cyclictest1920-21rpc.gssd19:41:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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