linux-kernel - Re: [PATCH 05/24] tools list traceevent: Add options support

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Message-ID: <52367DB0.3000105@gmail.com>
Date:	Sun, 15 Sep 2013 21:40:32 -0600
From:	David Ahern <dsahern@...il.com>
To:	Jiri Olsa <jolsa@...hat.com>
CC:	linux-kernel@...r.kernel.org,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH 05/24] tools list traceevent: Add options support

On 9/1/13 4:48 AM, Jiri Olsa wrote:
> Backporting options support for traceevent lib.

ditto -- where's the code from and last commit id.

>
> It's now possible to use following interface
> to load options for 'struct pevent' object:
>
> void traceevent_add_options(const char *name, struct plugin_option *options);
>    - adds a set of options by a plugin
>
> void traceevent_remove_options(struct plugin_option *options);
>    - removes plugin options that were registered
>
> void traceevent_add_option(const char *name, const char *val);
>    - modifies plugin option

And how is the code used? Take for instance the kvm plugin: would I be 
able to use this interface to pass in a vmlinux path to resolve guest 
symbols or some other option to convert RIPs in kvm tracepoints to symbols?

David
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