From fcdcf22a34b0768471d6c834254ef041e3d9c3dc Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 6 Jan 2026 09:27:35 -0700 Subject: [PATCH] scripts/make_fit: Support a few more parallel compressors Add support for pbzip2, xz and plzip which can compress in parallel. This speeds up the ramdisk compression. Signed-off-by: Simon Glass Reviewed-by: Nicolas Schier Link: https://patch.msgid.link/20260106162738.2605574-6-sjg@chromium.org Signed-off-by: Nathan Chancellor --- scripts/make_fit.py | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/scripts/make_fit.py b/scripts/make_fit.py index 7ddaf3c0d783d..defb87f223d76 100755 --- a/scripts/make_fit.py +++ b/scripts/make_fit.py @@ -50,11 +50,12 @@ 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'), + 'xz': CompTool('.xz', 'xz'), 'zstd': CompTool('.zstd', 'zstd'), } @@ -207,7 +208,12 @@ 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: -- 2.47.3