Re: [PATCH 0/4] perf: support zstd-compressed kernel modules

[Namhyung Kim <namhyung@kernel.org>]

Hello,

On Wed, Oct 14, 2026 at 08:34:06PM +0300, Ivan Shapovalov wrote:
> This extends in-perf zstd code to add an interface for streaming
> decompression of an entire file, and uses that interface in dso.c to
> support handling of zstd-compressed DSOs (e.g., zstd-compressed kernel
> modules, as shipped by various distros including Arch).

Can you please address comments from Sashiko and the bot?

Thanks,
Namhyung

> 
> Signed-off-by: Ivan Shapovalov <intelfx@intelfx.name>
> ---
> Ivan Shapovalov (4):
>       perf: zstd: zstd_decompress_stream -> zstd_decompress_buffer
>       perf: zstd: factor out zstd_init_{c,d}stream()
>       perf: zstd: add streaming decompression and format probe functions
>       perf: support zstd-compressed kernel modules
> 
>  tools/perf/Makefile.config |   2 +-
>  tools/perf/util/compress.h |  22 +++++-
>  tools/perf/util/dso.c      |   5 +-
>  tools/perf/util/tool.c     |   2 +-
>  tools/perf/util/zstd.c     | 188 +++++++++++++++++++++++++++++++++++++--------
>  5 files changed, 183 insertions(+), 36 deletions(-)
> ---
> base-commit: 0fcb05b72344f40806cbe810de8872f1698bf053
> change-id: 20261014-perf-zstd-279017105eb3
> 
> Best regards,
> --  
> Ivan Shapovalov <intelfx@intelfx.name>
>