lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Fri, 24 Aug 2007 10:07:53 -0700
From:	Rick Jones <>
To:	Linas Vepstas <>
Cc:	Stephen Hemminger <>,
	Jan-Bernd Themann <>,
	Thomas Klein <>,,
	Jan-Bernd Themann <>,
	netdev <>,
	linux-kernel <>,
	Christoph Raisch <>,
	linux-ppc <>,,
	Eder <>,
	Stefan Roscher <>
Subject: Re: RFC: issues concerning the next NAPI interface

> Just to be clear, in the previous email I posted on this thread, I
> described a worst-case network ping-pong test case (send a packet, wait
> for reply), and found out that a deffered interrupt scheme just damaged
> the performance of the test case.  Since the folks who came up with the
> test case were adamant, I turned off the defferred interrupts.  
> While defferred interrupts are an "obvious" solution, I decided that 
> they weren't a good solution. (And I have no other solution to offer).

Sounds exactly like the default netperf TCP_RR test and any number of other 
benchmarks.  The "send  a request, wait for reply, send next request, etc etc 
etc" is a rather common application behaviour afterall.

rick jones
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists