scripts/bloat-o-meter: add -p argument
When doing cross platform development on a machine sometimes it might be useful to invoke bloat-o-meter for files which haven't been build with the native toolchain. In cases when the host nm doesn't support the target one then a toolchain-specific nm could be used. Add this ability by adding the -p allowing invocations as: ./scripts/bloat-o-meter -p riscv64-unknown-linux-gnu- file1.o file2.o Link: https://lkml.kernel.org/r/20220701113513.1938008-2-nborisov@suse.com Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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@ -17,6 +17,7 @@ group = parser.add_mutually_exclusive_group()
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group.add_argument('-c', help='categorize output based on symbol type', action='store_true')
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group.add_argument('-d', help='Show delta of Data Section', action='store_true')
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group.add_argument('-t', help='Show delta of text Section', action='store_true')
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parser.add_argument('-p', dest='prefix', help='Arch prefix for the tool being used. Useful in cross build scenarios')
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parser.add_argument('file1', help='First file to compare')
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parser.add_argument('file2', help='Second file to compare')
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@ -26,7 +27,11 @@ re_NUMBER = re.compile(r'\.[0-9]+')
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def getsizes(file, format):
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sym = {}
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with os.popen("nm --size-sort " + file) as f:
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nm = "nm"
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if args.prefix:
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nm = "{}nm".format(args.prefix)
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with os.popen("{} --size-sort {}".format(nm, file)) as f:
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for line in f:
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if line.startswith("\n") or ":" in line:
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continue
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