[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [RFC][PATCH] Hypervisor profiling using GCOV
On Wed, Feb 18, 2009 at 1:36 PM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote: > On 18/02/2009 04:03, "Tej" <bewith.tej@xxxxxxxxx> wrote: > >> hey keir >> >> i need some input from you, regarding this tool.. It is worth >> investigating further in hypervisor profiling. >> or anything like this tool need a better design/coding/new features >> anything of this sort. > > Does it get us significantly more than the existing xentrace and xenoprofile > tools? Especially the latter, which already does program-counter tracing and > generation of stats from that, via the oprofile tool. thanks for our feedback i agree xenoprofile is advanced proffiling tool in xen since ages, but GCOV could be useful tool to naive tester/programmer on XEN who really don't understand xenoprofile stats.... e.g If i start with any hypervisor subsystem (scheduler), i will run xm test suite for scheduler and see what all code is getting affected over a period of time and proceed with it... > > George Dunlap does most of our profiling internally. You might ask him what > he thinks compared with these existing supported tools. George, Do you have any comments on this > > -- Keir > > > thanks -tej _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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