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authorYury Norov <yury.norov@gmail.com>2021-08-14 14:17:13 -0700
committerYury Norov <yury.norov@gmail.com>2022-01-15 08:47:31 -0800
commit15325b4f768f2b27b5765489eeab6ec0d6b5e902 (patch)
treef29491038480dcf4575c84207f8f7ad2557f21d6 /lib/hexdump.c
parentdb7313005e9c2d4e80888dd18d4a83926b920e8c (diff)
vsprintf: rework bitmap_list_string
bitmap_list_string() is very ineffective when printing bitmaps with long ranges of set bits because it calls find_next_bit for each bit in the bitmap. We can do better by detecting ranges of set bits. In my environment, before/after is 943008/31008 ns. Signed-off-by: Yury Norov <yury.norov@gmail.com> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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