From 0389cd1f5fda34c14941c37a39547d16af5d56e2 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 15 Dec 2014 16:04:11 -0300 Subject: [PATCH] tools: Move code originally from linux/log2.h to tools/include/linux/ From tools/perf/util/include/linux, so that it becomes accessible to other tools/. Cc: Adrian Hunter Cc: Borislav Petkov Cc: David Ahern Cc: Don Zickus Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-uqohgzilp3ebd3cbybnf3luc@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/include/linux/log2.h | 26 ++++++++++++++++++++++++++ tools/perf/MANIFEST | 3 ++- tools/perf/Makefile.perf | 1 + tools/perf/util/evlist.c | 1 + tools/perf/util/util.h | 11 ----------- 5 files changed, 30 insertions(+), 12 deletions(-) create mode 100644 tools/include/linux/log2.h diff --git a/tools/include/linux/log2.h b/tools/include/linux/log2.h new file mode 100644 index 0000000..141b766 --- /dev/null +++ b/tools/include/linux/log2.h @@ -0,0 +1,26 @@ +/* Integer base 2 logarithm calculation + * + * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef _TOOLS_LINUX_LOG2_H +#define _TOOLS_LINUX_LOG2_H + +/* + * Determine whether some value is a power of two, where zero is + * *not* considered a power of two. + */ + +static inline __attribute__((const)) +bool is_power_of_2(unsigned long n) +{ + return (n != 0 && ((n & (n - 1)) == 0)); +} + +#endif /* _TOOLS_LINUX_LOG2_H */ diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 39c0863..db7827f 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -7,8 +7,9 @@ tools/lib/symbol/kallsyms.h tools/include/asm/bug.h tools/include/asm-generic/bitops/__ffs.h tools/include/linux/compiler.h -tools/include/linux/hash.h tools/include/linux/export.h +tools/include/linux/hash.h +tools/include/linux/log2.h tools/include/linux/types.h include/linux/const.h include/linux/perf_event.h diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index dbf8ca6..ec2be64 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -234,6 +234,7 @@ LIB_H += util/include/linux/bitmap.h LIB_H += util/include/linux/bitops.h LIB_H += ../include/asm-generic/bitops/__ffs.h LIB_H += ../include/linux/compiler.h +LIB_H += ../include/linux/log2.h LIB_H += util/include/linux/const.h LIB_H += util/include/linux/ctype.h LIB_H += util/include/linux/kernel.h diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index ac80868..8eb92cf 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -25,6 +25,7 @@ #include #include +#include static void perf_evlist__mmap_put(struct perf_evlist *evlist, int idx); static void __perf_evlist__munmap(struct perf_evlist *evlist, int idx); diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 008b361..25b22bb 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -269,17 +269,6 @@ void event_attr_init(struct perf_event_attr *attr); #define _STR(x) #x #define STR(x) _STR(x) -/* - * Determine whether some value is a power of two, where zero is - * *not* considered a power of two. - */ - -static inline __attribute__((const)) -bool is_power_of_2(unsigned long n) -{ - return (n != 0 && ((n & (n - 1)) == 0)); -} - static inline unsigned next_pow2(unsigned x) { if (!x) -- 2.7.4