Re: [PATCH v1 1/2] perf: add attr->mmap2 attribute to an event

[Stephane Eranian]

On Thu, Aug 15, 2013 at 12:26 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> On Tue, Aug 13, 2013 at 01:55:56PM +0200, Stephane Eranian wrote:
>
>> @@ -638,6 +639,25 @@ enum perf_event_type {
>>        */
>>       PERF_RECORD_SAMPLE                      = 9,
>>
>> +     /*
>> +      * The MMAP2 records are an augmented version of MMAP, they add
>> +      * maj, min, ino numbers to be used to uniquely identify each mapping
>> +      *
>> +      * struct {
>> +      *      struct perf_event_header        header;
>> +      *
>> +      *      u32                             pid, tid;
>> +      *      u64                             addr;
>> +      *      u64                             len;
>> +      *      u64                             pgoff;
>> +      *      u32                             maj;
>> +      *      u32                             min;
>> +      *      u64                             ino;
>> +      *      char                            filename[];
>
> Did you forget the sample_id stuff?
>
>                 struct sample_id                sample_id;
>
Ok, will add that and the i_generation field.
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