Date: Sat, 25 Dec 2004 22:30:02 -0800 From: Julian Elischer <julian@elischer.org> To: Jeff Roberson <jroberson@chesapeake.net> Cc: current@freebsd.org Subject: Re: schedgraph.py Message-ID: <41CE5A6A.4090101@elischer.org> In-Reply-To: <20041225191637.K60504@mail.chesapeake.net> References: <20041225191637.K60504@mail.chesapeake.net>
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Jeff Roberson wrote: > I took a break from working on VFS to implement a tool that will help me > further refine the ULE scheduler. This may also be interesting in > understanding application behavior under load, analyzing lock contention > and preemption in the kernel, etc. > [...] robert watson has been doing some work in a similar (but not as detailed) vein. he has some code that produces some quite nice graphs of threads and cpus using KTR.
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