[PATCH] D36351: [lld][ELF] Add profile guided section layout

[Michael Spencer via llvm-commits]

On Mon, Nov 27, 2017 at 5:44 PM, Rui Ueyama <ruiu at google.com> wrote:

> I rebased the patches to HEAD and tried to use it again. When I ran
> `bin/llvm-profdata merge default.profraw -o default.profdata`, it creates
> almost empty default.profdata and it shrunk default.profraw. That seems
> pretty odd to me. Michael, do you know what is going on?
>
> Before:
>
> -rw-r-----  1 ruiu eng  29M Nov 27 17:39 default.profraw
>
> After:
>
> -rw-r-----  1 ruiu eng  560 Nov 27 17:39 default.profdata
> -rw-r-----  1 ruiu eng 2.2M Nov 27 17:39 default.profraw
>
> The rebased patch is available at https://reviews.llvm.org/D40534.
>

I'm not sure what the issue is without more information. My patch doesn't
change how llvm profile information works, it only uses the data.

- Michael Spencer


>
> On Mon, Nov 27, 2017 at 2:01 PM, Davide Italiano <davide at freebsd.org>
> wrote:
>
>> On Mon, Nov 27, 2017 at 1:49 PM, Rui Ueyama <ruiu at google.com> wrote:
>> > I'm so sorry that I didn't respond in a timely manner. I'm reading it
>> again
>> > now.
>> >
>>
>> No worries, definitely not your fault. The whole back and forth has
>> been a little slow, but this has been around for almost 6 months now
>> (and has been in development for much longer) so we should really
>> decide whether we want to ship it or kill it :)
>>
>
>
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