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

[Davide Italiano via llvm-commits]

Maybe this happens only on Linux? As far as I can tell the patch has been
developed on Windows entirely. Michael, have you tried linux?

On Nov 27, 2017 9:05 PM, "Michael Spencer" <bigcheesegs at gmail.com> wrote:

> 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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