Messages in this thread | | | Subject | Re: [PATCH 9/18] 2.6.17.9 perfmon2 patch for review: kernel-level interface | From | Andi Kleen <> | Date | 27 Aug 2006 20:31:09 +0200 |
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Chuck Ebbert <76306.1226@compuserve.com> writes:
> In-Reply-To: <20060825134704.GA21398@infradead.org> > > On Fri, 25 Aug 2006 14:47:04 +0100, Christoph Hellwig wrote: > > > > This interface is for people writing kprobes who want to do performance > > > monitoring within their probe code. There will probably never be any > > > in-kernel users, just like there are no in-kernel users of kprobes. > > > > Wrong argument. There is a in-tree user of kprobes and I plan to submit > > a lot more. > > OK. More than two years after kprobes went into the kernel, a single > in-kernel user has now appeared in 2.6.18-rc: /net/ipv4/tcp_probe.c
No rules without exceptions. But there has to be a quite good rationale. kprobes had one. The mythical perfmon in kernel user doesn't so far.
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