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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-09 01:14:38 -0500
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-09 01:14:38 -0500
commitbcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71 (patch)
tree2f6dffd2d3e4dd67355a224de7e7a960335a92fd /tools/perf/util/include/linux/kernel.h
parent11c34c7deaeeebcee342cbc35e1bb2a6711b2431 (diff)
parent3ff6a468b45b5dfeb0e903e56f4eb27d34b2437c (diff)
Merge commit 'origin/master' into next
Conflicts: include/linux/kvm.h
Diffstat (limited to 'tools/perf/util/include/linux/kernel.h')
-rw-r--r--tools/perf/util/include/linux/kernel.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/tools/perf/util/include/linux/kernel.h b/tools/perf/util/include/linux/kernel.h
index a6b87390cb52..21c0274c02fa 100644
--- a/tools/perf/util/include/linux/kernel.h
+++ b/tools/perf/util/include/linux/kernel.h
@@ -1,6 +1,16 @@
1#ifndef PERF_LINUX_KERNEL_H_ 1#ifndef PERF_LINUX_KERNEL_H_
2#define PERF_LINUX_KERNEL_H_ 2#define PERF_LINUX_KERNEL_H_
3 3
4#include <stdarg.h>
5#include <stdio.h>
6#include <stdlib.h>
7#include <assert.h>
8
9#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
10
11#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
12#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
13
4#ifndef offsetof 14#ifndef offsetof
5#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) 15#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
6#endif 16#endif
@@ -26,4 +36,70 @@
26 _max1 > _max2 ? _max1 : _max2; }) 36 _max1 > _max2 ? _max1 : _max2; })
27#endif 37#endif
28 38
39#ifndef min
40#define min(x, y) ({ \
41 typeof(x) _min1 = (x); \
42 typeof(y) _min2 = (y); \
43 (void) (&_min1 == &_min2); \
44 _min1 < _min2 ? _min1 : _min2; })
45#endif
46
47#ifndef BUG_ON
48#define BUG_ON(cond) assert(!(cond))
49#endif
50
51/*
52 * Both need more care to handle endianness
53 * (Don't use bitmap_copy_le() for now)
54 */
55#define cpu_to_le64(x) (x)
56#define cpu_to_le32(x) (x)
57
58static inline int
59vscnprintf(char *buf, size_t size, const char *fmt, va_list args)
60{
61 int i;
62 ssize_t ssize = size;
63
64 i = vsnprintf(buf, size, fmt, args);
65
66 return (i >= ssize) ? (ssize - 1) : i;
67}
68
69static inline int scnprintf(char * buf, size_t size, const char * fmt, ...)
70{
71 va_list args;
72 ssize_t ssize = size;
73 int i;
74
75 va_start(args, fmt);
76 i = vsnprintf(buf, size, fmt, args);
77 va_end(args);
78
79 return (i >= ssize) ? (ssize - 1) : i;
80}
81
82static inline unsigned long
83simple_strtoul(const char *nptr, char **endptr, int base)
84{
85 return strtoul(nptr, endptr, base);
86}
87
88#ifndef pr_fmt
89#define pr_fmt(fmt) fmt
90#endif
91
92#define pr_err(fmt, ...) \
93 do { fprintf(stderr, pr_fmt(fmt), ##__VA_ARGS__); } while (0)
94#define pr_warning(fmt, ...) \
95 do { fprintf(stderr, pr_fmt(fmt), ##__VA_ARGS__); } while (0)
96#define pr_info(fmt, ...) \
97 do { fprintf(stderr, pr_fmt(fmt), ##__VA_ARGS__); } while (0)
98#define pr_debug(fmt, ...) \
99 eprintf(1, pr_fmt(fmt), ##__VA_ARGS__)
100#define pr_debugN(n, fmt, ...) \
101 eprintf(n, pr_fmt(fmt), ##__VA_ARGS__)
102#define pr_debug2(fmt, ...) pr_debugN(2, pr_fmt(fmt), ##__VA_ARGS__)
103#define pr_debug3(fmt, ...) pr_debugN(3, pr_fmt(fmt), ##__VA_ARGS__)
104
29#endif 105#endif