linux-kernel - Re: [PATCH v2 0/3] Perf support to SDT markers

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Date:	Tue, 08 Oct 2013 19:01:49 +0530
From:	Hemant <hkshaw@...ux.vnet.ibm.com>
To:	"Frank Ch. Eigler" <fche@...hat.com>
CC:	linux-kernel@...r.kernel.org, srikar@...ux.vnet.ibm.com,
	peterz@...radead.org, oleg@...hat.com,
	hegdevasant@...ux.vnet.ibm.com, mingo@...hat.com, anton@...hat.com,
	systemtap@...rceware.org, namhyung@...nel.org,
	masami.hiramatsu.pt@...achi.com, aravinda@...ux.vnet.ibm.com
Subject: Re: [PATCH v2 0/3] Perf support to SDT markers

Hi,

On 10/07/2013 09:17 PM, Frank Ch. Eigler wrote:
> Hemant Kumar <hkshaw@...ux.vnet.ibm.com> writes:
>
>> [...]
>> A simple example to show this follows.
>> - Create a file with .d extension and mention the probe names in it with
>> provider name and marker name.
>> [...]
>> - Now create the probes.h and probes.o file :
>> $ dtrace -C -h -s probes.d -o probes.h
>> $ dtrace -C -G -s probes.d -o probes.o
>> [...]
> It may be worthwhile to document an even-simpler case:
>
> - no .d file
> - no invocation of the dtrace python script
> - no generated .h or .o file
> - in the C file, just add:
>
>    #include <sys/sdt.h>
>
>    void main () {
>         /* ... */
>         STAP_PROBE(provider_name,probe_name);
>         /* ... */
>    }
>
> - gcc file.c
> - stap -l 'process("./a.out").mark("*")' to list
>
>
> - FChE
>

Will add this example to the doc too.

-- 
Thanks
Hemant

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