Re: [PATCH 0/5] perf: add two new features

[Adrian Hunter]

On 28/06/13 22:22, Adrian Hunter wrote:
> On 28/06/2013 6:27 p.m., Peter Zijlstra wrote:
>> On Fri, Jun 28, 2013 at 04:22:16PM +0300, Adrian Hunter wrote:
>>> Hi
>>>
>>> Please consider these two new perf features:
>>>        x86: add ability to calculate TSC from perf sample timestamps
>>>        perf: add 'keep tracking' flag to PERF_EVENT_IOC_DISABLE
>>
>> Please explain to us why you'd like to do this..
> 
> I will see what information I can dig up.  The short answer is that I need
> to disable and re-enable a perf event but still be able to map IPs to their
> DSOs and symbols - which means not losing mmap events.

Any other comments?

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