From: Hemant <hkshaw@linux.vnet.ibm.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: "Frank Ch. Eigler" <fche@redhat.com>,
linux-kernel@vger.kernel.org, srikar@linux.vnet.ibm.com,
peterz@infradead.org, oleg@redhat.com,
hegdevasant@linux.vnet.ibm.com, mingo@redhat.com,
anton@redhat.com, systemtap@sourceware.org,
masami.hiramatsu.pt@hitachi.com,
aravinda@linux.vnet.ibm.com
Subject: Re: [PATCH v2 0/3] Perf support to SDT markers
Date: Tue, 08 Oct 2013 13:10:00 -0000 [thread overview]
Message-ID: <5254041D.70205@linux.vnet.ibm.com> (raw)
In-Reply-To: <874n8sku03.fsf@sejong.aot.lge.com>
On 10/08/2013 02:40 PM, Namhyung Kim wrote:
> Hi Frank,
>
> On Mon, 07 Oct 2013 11:47:09 -0400, 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
> Yes, looks much simpler and better.
>
> Hemant, would you add it to the doc too?
>
> Thanks,
> Namhyung
>
Yes, it will be good to add this simpler example in the doc.
--
Thanks
Hemant
next prev parent reply other threads:[~2013-10-08 13:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-07 6:47 Hemant Kumar
2013-10-07 6:48 ` [PATCH v2 2/3] Support for perf to probe into SDT markers: Hemant Kumar
2013-10-08 9:09 ` Namhyung Kim
2013-10-08 13:09 ` Hemant
2013-10-08 11:47 ` Masami Hiramatsu
2013-10-08 13:30 ` Hemant
2013-10-07 6:48 ` [PATCH v2 1/3] SDT markers listing by perf: Hemant Kumar
2013-10-08 8:57 ` Namhyung Kim
2013-10-08 13:04 ` Hemant
2013-10-08 11:39 ` Masami Hiramatsu
2013-10-08 13:25 ` Hemant
2013-10-07 6:48 ` [PATCH v2 3/3] Documentation regarding perf/sdt Hemant Kumar
2013-10-07 15:48 ` [PATCH v2 0/3] Perf support to SDT markers Frank Ch. Eigler
2013-10-08 9:10 ` Namhyung Kim
2013-10-08 13:10 ` Hemant [this message]
2013-10-08 13:32 ` Hemant
2013-10-08 6:04 ` Masami Hiramatsu
2013-10-08 12:54 ` Hemant
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