Re: [PATCH 8/8] trace_uprobe/sdt: Document about reference counter

[Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>]

On 03/14/2018 07:20 PM, Masami Hiramatsu wrote:
> On Tue, 13 Mar 2018 18:26:03 +0530
> Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> wrote:
>
>> No functionality changes.
> Please consider to describe what is this change and why, here.

Will add in next version.

>> Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
>> ---
>>  Documentation/trace/uprobetracer.txt | 16 +++++++++++++---
>>  kernel/trace/trace.c                 |  2 +-
>>  2 files changed, 14 insertions(+), 4 deletions(-)
>>
>> diff --git a/Documentation/trace/uprobetracer.txt b/Documentation/trace/uprobetracer.txt
>> index bf526a7c..8fb13b0 100644
>> --- a/Documentation/trace/uprobetracer.txt
>> +++ b/Documentation/trace/uprobetracer.txt
>> @@ -19,15 +19,25 @@ user to calculate the offset of the probepoint in the object.
>>  
>>  Synopsis of uprobe_tracer
>>  -------------------------
>> -  p[:[GRP/]EVENT] PATH:OFFSET [FETCHARGS] : Set a uprobe
>> -  r[:[GRP/]EVENT] PATH:OFFSET [FETCHARGS] : Set a return uprobe (uretprobe)
>> -  -:[GRP/]EVENT                           : Clear uprobe or uretprobe event
>> +  p[:[GRP/]EVENT] PATH:OFFSET[(REF_CTR_OFFSET)] [FETCHARGS]
>> +  r[:[GRP/]EVENT] PATH:OFFSET[(REF_CTR_OFFSET)] [FETCHARGS]
> Ah, OK in this context, [] means optional syntax :)

Correct.

Thanks,
Ravi

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