> -----Original Message----- > From: linux-net-owner@xxxxxxxxxxxxxxx > [mailto:linux-net-owner@xxxxxxxxxxxxxxx] On Behalf Of Matthew Faulkner > Sent: Tuesday, May 29, 2007 3:34 AM > To: linux-net@xxxxxxxxxxxxxxx > Subject: Re: Questions about the Linux network stack > > Hey all, > > Not sure if this should be asked within this mailing list or netdev, > so please accept my appologies if it's in the wrong place. > > I'd like to know what the best way to go about "profiling" the linux > networking code is. There are a few different methods of profiling the > linux from applications suchs as OProfile and simply booting the > kernel with the profile=2 option and viewing the /proc/ system, but > i'm not sure which (if any) will do the tasks i require. > > Basically I want to profile and find out how long each stage of the > network processing takes, for example, how long the TCP/IP processing > takes (in softIRQ context?) and how long the hardware interupt takes? > etc. The Linux Trace Toolkit (LTT) might do the trick, though you might need to modify the kernel to trace the the specific events you are interested in. Jeff Haran Brocade > > Thanks for your help > > Matt > - > To unsubscribe from this list: send the line "unsubscribe > linux-net" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
