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perf tools: Use kernel bitmap library

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Use the kernel bitmap library for internal perf tools uses.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <1255792354-11304-1-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Frederic Weisbecker
2009-10-17 17:12:33 +02:00
committed by Ingo Molnar
parent 11018201b8
commit 5a116dd279
14 changed files with 156 additions and 5 deletions
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27
tools/perf/util/include/linux/bitops.h Normal file
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@@ -0,0 +1,27 @@
#ifndef _PERF_LINUX_BITOPS_H_
#define _PERF_LINUX_BITOPS_H_
#define __KERNEL__
#define CONFIG_GENERIC_FIND_NEXT_BIT
#define CONFIG_GENERIC_FIND_FIRST_BIT
#include "../../../../include/linux/bitops.h"
static inline void set_bit(int nr, unsigned long *addr)
{
addr[nr / BITS_PER_LONG] |= 1UL << (nr % BITS_PER_LONG);
}
static __always_inline int test_bit(unsigned int nr, const unsigned long *addr)
{
return ((1UL << (nr % BITS_PER_LONG)) &
(((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0;
}
unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, unsigned
long size, unsigned long offset);
unsigned long generic_find_next_le_bit(const unsigned long *addr, unsigned
long size, unsigned long offset);
#endif