[PATCH v2 0/3] Perf support to SDT markers
Hemant
hkshaw@linux.vnet.ibm.com
Tue Oct 8 13:32:00 GMT 2013
Hi,
On 10/07/2013 09:17 PM, Frank Ch. Eigler wrote:
> Hemant Kumar <hkshaw@linux.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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