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2025-09-19 - 07:28
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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 Sep 19, 2025 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
109912113915sleep10994-21unixbench_singl19:04:150
1140499241218cyclictest1027-21ssh23:08:030
1140499236172cyclictest2938-21runrttasks23:58:540
1140499233208cyclictest19507-21ssh00:28:420
1140499232208cyclictest31206-21tune2fs20:33:570
1140499230205cyclictest2872-21snmpd00:07:510
1140499228202cyclictest32603-21modprobe20:39:310
1140499228166cyclictest21732-21ntp_states22:15:380
1140499226199cyclictest2547-21Xorg00:31:160
1140499225201cyclictest6220-21chrt21:09:180
1140499224200cyclictest18426-21chrt19:38:370
1140499224200cyclictest10321-21ssh21:26:150
1140499224195cyclictest21231-21ssh00:35:240
1140499223197cyclictest17609-21ssh21:58:260
1140499221197cyclictest32608-21latency_hist23:03:590
1140499221196cyclictest5025-21munin-node0
1140499221193cyclictest24670-21ps20:05:000
1140499220195cyclictest29152-21df_inode22:48:580
1140499220195cyclictest16727-21apt-get00:15:500
1140499219195cyclictest8133-21sh21:17:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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