Re: Perf mem report Data Object

[Manuel Selva <selva.manuel@gmail.com>]

Hi,

I am again wondering why I have this issue about /tmp/perf-pid.map file. 
Can anyone explain why it's not there and what this file should contain ?

Thanks,

----
Manu

On 01/29/2014 02:53 PM, Manuel Selva wrote:
> Hi all,
>
> The perf mem report tools shows me a warning before printing results:
>
> Failed to open /tmp/perf-8741.map, continuing without symbols
>
> Then it seems that all the memory accesses which source address (Data
> Symbol field in perf mem rep output) is located in the heap of the
> profiled process is reported as "perf-8741.map" in the Data Object
> field.
>
> I am not sure to understand what this file is, what it should contain,
> and why it's not created when my process is profiled ?
>
> Moreover, I am wondering what perf mem could report for heap data
> object in addition to the fact that the object is in the heap ?
>
> Thanks,
>
> -------
> Manu
>