Re: [OE-core] [PATCH V4 2/3] rust: Upgrade 1.82.0->1.83.0 --> bloat alert !!

[Yash Shinde <Yash.Shinde@windriver.com>]

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On 14-03-2025 00:18, Randy MacLeod wrote:
> On 2025-03-07 6:37 p.m., Richard Purdie wrote:
>> On Fri, 2025-03-07 at 16:02 -0500, Randy MacLeod wrote:
>>> ❯ for i in `ls -d *src`; do du -sh $i; done
>>>
>>> 3.5G    rustc-1.82.0-src
>>> 4.8G    rustc-1.83.0-src
>>> 4.9G    rustc-1.84.0-src
>>> 3.9G    rustc-1.85.0-src
>>>
>>> I didn't check for the other 4 GB yet...
>>>
>>>
>> rust, rust-native, nativesdk-rust, cargo and so on.
>>
>>> Should we do that an host the tarball  on yoctoproject.org? 
>>> <https://urldefense.com/v3/__http://yoctoproject.org?__;!!AjveYdw8EvQ!fJXJLq5zUX_ORAdT0imsy5PfIAHVBjw3rwJRpJH0HgmwRJiTyMFIQebHf7jG9o_l7GKu06t9zK2RNaNX3CujsTYP40pyXJxYOXO78vw$>
>>>
>>> Should we write a custom unpack rule to 
>>> --exclude=rustc-1.83.0-src/src/gcc ?
>>>
>> Or just delete the directory in a do_unpack postfunc?
>
> Yash has 1.84 mostly working and
>
> will add a post unpack change to rm -rf rustc-1.83.0-src/src/gcc
>
>>
>> Or wait for 1.85?
>
> This likely won't get merged until YP-5.3. We'll see how long it takes 
> to be ready for review.
>
>
>>
>> This is annoying "bloat" which we at least need to identify and work 
>> out a plan for.
>>>
>>>
>>>
>>> Next week, I'll also dig into the 'tmp' usage increase to understand 
>>> where the 5 GB that Richard reported comes from.
>>>
>> See above, I'm guessing so it needs to be confirmed but...
>
>
> Yashe,
>
> Can you review the reason for the FSspace usage difference between 
> 1.82, 1.83 when you have time?
>

The following differences were seen when compared the FS usage between 
v1.82 and v1.83:

I did a basic "bitbake rust" build (in separate dir paths) to check the 
effect on Yocto build FS:

The TMPDIR FS usage:

TMDIR FS usage                       v1.82.0                        v1.83.0
du -sh poky/build/tmp/                       65 G                      
    73 G
du -sh 
poky/build/tmp/work/core2-64-poky-linux/rust/1.8x.0/rustc-1.8x.0-src/ 
                           9.8 G                            12 G


It's more 8G in v1.83.


The main reason for FS usuage differences in v1.83 are: 1. Addition of 
gcc ~*1.1 G*.
2. The addition of enzyme AD sub module ~*392 Mb*. References:
https://github.com/rust-lang/rust/commit/9028177115718b38c0a189c4fb9eda03a14841d7 
https://github.com/rust-lang/rust/issues/124509 
https://github.com/rust-lang/rust/pull/129175 
https://github.com/rust-lang/rust/commit/59d4114b2d1aaac9a6dfe770997f2e79ccfd28ab


Dir
	1.82.0
	1.83.0
	Diff
rustc-1.8x.0-src.tar.xz
	210Mb
	338Mb
	128Mb
rustc-1.8x.0-src
	3.5G
	4.8G
	1.3G

(PS: Please ignore the previous mail.)


Regards,
Yash
>
>
> ../Randy
>
>
>
>
>>
>> Cheers,
>>
>> Richard
>>
>>
>
> -- 
> # Randy MacLeod
> # Wind River Linux

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