Hi Ingo,

On Fri, Oct 23, 2015 at 6:03 PM, Ingo Molnar <[email protected]> wrote:
>
> * tip-bot for Namhyung Kim <[email protected]> wrote:
>
>> Commit-ID:  76a26549eb367f683fbb394b7246bef5dc665f8c
>> Gitweb:     
>> http://git.kernel.org/tip/76a26549eb367f683fbb394b7246bef5dc665f8c
>> Author:     Namhyung Kim <[email protected]>
>> AuthorDate: Thu, 22 Oct 2015 23:28:32 +0900
>> Committer:  Arnaldo Carvalho de Melo <[email protected]>
>> CommitDate: Thu, 22 Oct 2015 16:23:19 -0300
>>
>> perf tools: Improve call graph documents and help messages
>>
>> The --call-graph option is complex so we should provide better guide for
>> users.  Also change help message to be consistent with config option
>> names.  Now perf top will show help like below:
>>
>>   $ perf top --call-graph
>>     Error: option `call-graph' requires a value
>>
>>    Usage: perf top [<options>]
>>
>>       --call-graph 
>> <record_mode[,record_size],print_type,threshold[,print_limit],order,sort_key[,branch]>
>>            setup and enables call-graph (stack chain/backtrace):
>>
>>               record_mode:    call graph recording mode (fp|dwarf|lbr)
>>               record_size:    if record_mode is 'dwarf', max size of stack 
>> recording (<bytes>)
>>                               default: 8192 (bytes)
>>               print_type:     call graph printing style 
>> (graph|flat|fractal|none)
>>               threshold:      minimum call graph inclusion threshold 
>> (<percent>)
>>               print_limit:    maximum number of call graph entry (<number>)
>>               order:          call graph order (caller|callee)
>>               sort_key:       call graph sort key (function|address)
>>               branch:         include last branch info to call graph (branch)
>
> Btw., how is the last line to be interpreted? Is the 'branch' value 0/1? If 
> yes
> then the text should probably say so? Or does the string 'branch' have to be 
> used?

Yep, the string 'branch' should be used.

Thanks,
Namhyung
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