[Winpcap-users] CPU Increase in WinPCAP capturing thread

[Ramandeep Sandhu]

Hello WinPCAP Experts,

We are using WinPCAP 4.1.3 on Windows 7 machine to capture UDP multicast 
data 24x7. During long runs we have observed that the /pcap_loop thread/ 
that captures the data, starts consuming more CPU cycles, for example, 
if initially its consuming 1%, may be over night it would start 
consuming 3-4%. This behavior is random - at times everything works fine 
even for a couple of days.

This state remains even if we restart our application i.e even after a 
restart the /pcap_loop thread/ consumes 3-4%. This is rectified only 
after we restart the machine. Is anyone aware of such behavior ? Are we 
missing out some OS level settings that need to be done ?

-- 
Thanks & Regards

Ramandeep Sandhu
Digital Media Group, Interra Systems.
Email : rsandhu at interrasystems.com
Ph : +91-9810980200, skype : san.raman
http://www.interrasystems.com

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