[PATCH v4 6/7] scripts/make_fit: Support a few more parallel compressors
From: Simon Glass <sjg@chromium.org>
Date: 2025-10-06 23:02:55
Also in:
lkml
Subsystem:
arm64 fit support, the rest · Maintainers:
Simon Glass, Linus Torvalds
Add support for pbzip2 and plzip which can compress in parallel. This speeds up the ramdisk compression. Signed-off-by: Simon Glass <sjg@chromium.org> --- (no changes since v1) scripts/make_fit.py | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/scripts/make_fit.py b/scripts/make_fit.py
index 3db129f40b20..10a040f4eb83 100755
--- a/scripts/make_fit.py
+++ b/scripts/make_fit.py@@ -57,10 +57,10 @@ import libfdt CompTool = collections.namedtuple('CompTool', 'ext,tools') COMP_TOOLS = { - 'bzip2': CompTool('.bz2', 'bzip2'), + 'bzip2': CompTool('.bz2', 'pbzip2,bzip2'), 'gzip': CompTool('.gz', 'pigz,gzip'), 'lz4': CompTool('.lz4', 'lz4'), - 'lzma': CompTool('.lzma', 'lzma'), + 'lzma': CompTool('.lzma', 'plzip,lzma'), 'lzo': CompTool('.lzo', 'lzop'), 'zstd': CompTool('.zstd', 'zstd'), }
@@ -220,7 +220,12 @@ def compress_data(inf, compress): done = False for tool in comp.tools.split(','): try: - subprocess.call([tool, '-c'], stdin=inf, stdout=outf) + # Add parallel flags for tools that support them + cmd = [tool] + if tool in ('zstd', 'xz'): + cmd.extend(['-T0']) # Use all available cores + cmd.append('-c') + subprocess.call(cmd, stdin=inf, stdout=outf) done = True break except FileNotFoundError:
--
2.43.0