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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 <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-uqohgzilp3ebd3cbybnf3luc@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2014-12-15 16:04:11 -03:00
parent 2dc0b97219
commit 0389cd1f5f
5 changed files with 30 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
tools/include/linux/log2.h Normal file
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@ -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 */

3
tools/perf/MANIFEST
View File

@ -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

1
tools/perf/Makefile.perf
View File

@ -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

1
tools/perf/util/evlist.c
View File

@ -25,6 +25,7 @@
#include <linux/bitops.h>
#include <linux/hash.h>
#include <linux/log2.h>
static void perf_evlist__mmap_put(struct perf_evlist *evlist, int idx);
static void __perf_evlist__munmap(struct perf_evlist *evlist, int idx);

11
tools/perf/util/util.h
View File

@ -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)