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| author |   Alexey Dobriyan <adobriyan@gmail.com> | 2016-12-12 16:40:48 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-12 18:55:06 -0800 |
| commit | 0d7bbb43641c35390378e951785f2351bc36650a (patch) | |
| tree | 5573ad829c14a7532e783b643d1e11a810ad42e2 /scripts/tags.sh | |
| parent | scripts/bloat-o-meter: don't use readlines() (diff) | |
| download | linux-dev-0d7bbb43641c35390378e951785f2351bc36650a.tar.xz linux-dev-0d7bbb43641c35390378e951785f2351bc36650a.zip | |
scripts/bloat-o-meter: compile .NUMBER regex
Every often used regex is better be compiled in Python.
Speedup is about ~9.8% (whee!)
$ perf stat -r 16 taskset -c 15 ./scripts/bloat-o-meter ../vmlinux-000 ../obj/vmlinux >/dev/null
7.091202853 seconds time elapsed ( +- 0.15% )
+re.compile
6.397564973 seconds time elapsed ( +- 0.34% )
Link: http://lkml.kernel.org/r/20161119004417.GB1200@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions