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scripts/make_fit: Support a few more parallel compressors

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Add support for pbzip2, xz and plzip which can compress in parallel.
This speeds up the ramdisk compression.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Link: https://patch.msgid.link/20260106162738.2605574-6-sjg@chromium.org
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
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Simon Glass 2026-01-06 09:27:35 -07:00 committed by Nathan Chancellor
parent 9a329df6e0
commit fcdcf22a34
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GPG Key ID: 1D6B269171C01A96
1 changed files with 9 additions and 3 deletions
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12
scripts/make_fit.py
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@ -50,11 +50,12 @@ import libfdt
CompTool = collections.namedtuple('CompTool', 'ext,tools') CompTool = collections.namedtuple('CompTool', 'ext,tools')
COMP_TOOLS = { COMP_TOOLS = {
'bzip2': CompTool('.bz2', 'bzip2'), 'bzip2': CompTool('.bz2', 'pbzip2,bzip2'),
'gzip': CompTool('.gz', 'pigz,gzip'), 'gzip': CompTool('.gz', 'pigz,gzip'),
'lz4': CompTool('.lz4', 'lz4'), 'lz4': CompTool('.lz4', 'lz4'),
'lzma': CompTool('.lzma', 'lzma'), 'lzma': CompTool('.lzma', 'plzip,lzma'),
'lzo': CompTool('.lzo', 'lzop'), 'lzo': CompTool('.lzo', 'lzop'),
'xz': CompTool('.xz', 'xz'),
'zstd': CompTool('.zstd', 'zstd'), 'zstd': CompTool('.zstd', 'zstd'),
} }
@ -207,7 +208,12 @@ def compress_data(inf, compress):
done = False done = False
for tool in comp.tools.split(','): for tool in comp.tools.split(','):
try: 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 done = True
break break
except FileNotFoundError: except FileNotFoundError: