Re: [RFC 0/3] perf tools: Show time info (v1)

From: Namhyung Kim
Date: Mon Dec 02 2013 - 21:34:14 EST


Hi Andi,

On Mon, 2 Dec 2013 18:04:48 +0100, Andi Kleen wrote:
> On Mon, Dec 02, 2013 at 03:53:16PM +0900, Namhyung Kim wrote:
>> Hi,
>>
>> Sometimes users might want to see time information along with the
>> performance result but the perf cannot provide it currently.
>>
>> In this patchset, I added such feature using sample->time. When the
>> perf processes sample events, it calculate time info and update last
>> timestamp. It keeps the last timestamp for each evsel (and for each
>> cpu if it's a per-cpu session).
>
> Does the sorting on arbitary fields work now?
>
> I believe to make use of this you totally want to sort on it too,
> but traditionally perf report could only sort on a single field.
>
> Without sorting adding more and more fields is just confusing.

Yeah, that's the plan that I also have. As Ingo requested, we'll have
more flexible field and sort-key selection options. I'll work on that
as soon as the on-going works find their way to inclusion.

Thanks,
Namhyung
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