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Re: [RFC] Tracepoint proposal
- From: KOSAKI Motohiro <kosaki dot motohiro at jp dot fujitsu dot com>
- To: Masami Hiramatsu <mhiramat at redhat dot com>
- Cc: kosaki dot motohiro at jp dot fujitsu dot com, Takashi Nishiie <t-nishiie at np dot css dot fujitsu dot com>, "'Alexey Dobriyan'" <adobriyan at gmail dot com>, "'Mathieu Desnoyers'" <mathieu dot desnoyers at polymtl dot ca>, "'Peter Zijlstra'" <peterz at infradead dot org>, "'Steven Rostedt'" <rostedt at goodmis dot org>, "'Frank Ch. Eigler'" <fche at redhat dot com>, "'Ingo Molnar'" <mingo at elte dot hu>, "'LKML'" <linux-kernel at vger dot kernel dot org>, "'systemtap-ml'" <systemtap at sources dot redhat dot com>, "'Hideo AOKI'" <haoki at redhat dot com>
- Date: Wed, 25 Jun 2008 01:21:48 +0900
- Subject: Re: [RFC] Tracepoint proposal
- References: <007601c8d5ca$18fa0e10$4aee2a30$@css.fujitsu.com> <48611B03.1000003@redhat.com>
> Tracepoint
> - stored in a section
> - dynamic activation
> - no message
> - export kernel structure
> - arguments depending on points
> - high frequently called
> - no module support (kernel use only)
Why Shouldn't kernel module use tracepoint?
technical problem? or any plicy exist?