Release 4.15 tools/perf/util/util.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef GIT_COMPAT_UTIL_H

#define GIT_COMPAT_UTIL_H


#define _BSD_SOURCE 1
/* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */

#define _DEFAULT_SOURCE 1

#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdarg.h>
#include <linux/compiler.h>
#include <linux/types.h>
#include "namespaces.h"

/* General helper functions */
void usage(const char *err) __noreturn;
void die(const char *err, ...) __noreturn __printf(1, 2);



static inline void *zalloc(size_t size)
{
	return calloc(1, size);
}

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Arnaldo Carvalho de Melo
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1
100.00%
Total
19
100.00%
1
100.00%


#define zfree(ptr) ({ free(*ptr); *ptr = NULL; })

struct dirent;
struct strlist;

int mkdir_p(char *path, mode_t mode);
int rm_rf(const char *path);
struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *));
bool lsdir_no_dot_filter(const char *name, struct dirent *d);
int copyfile(const char *from, const char *to);
int copyfile_mode(const char *from, const char *to, mode_t mode);
int copyfile_ns(const char *from, const char *to, struct nsinfo *nsi);

ssize_t readn(int fd, void *buf, size_t n);
ssize_t writen(int fd, const void *buf, size_t n);

size_t hex_width(u64 v);
int hex2u64(const char *ptr, u64 *val);

extern unsigned int page_size;
extern int cacheline_size;

int fetch_kernel_version(unsigned int *puint,
			 char *str, size_t str_sz);

#define KVER_VERSION(x)		(((x) >> 16) & 0xff)

#define KVER_PATCHLEVEL(x)	(((x) >> 8) & 0xff)

#define KVER_SUBLEVEL(x)	((x) & 0xff)

#define KVER_FMT	"%d.%d.%d"

#define KVER_PARAM(x)	KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x)

const char *perf_tip(const char *dirpath);

#ifndef HAVE_SCHED_GETCPU_SUPPORT
int sched_getcpu(void);
#endif

#ifndef HAVE_SETNS_SUPPORT
int setns(int fd, int nstype);
#endif

extern bool perf_singlethreaded;

void perf_set_singlethreaded(void);
void perf_set_multithreaded(void);

#endif /* GIT_COMPAT_UTIL_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Arnaldo Carvalho de Melo
132
35.68%
15
42.86%
Ingo Molnar
49
13.24%
1
2.86%
Wang Nan
47
12.70%
2
5.71%
Masami Hiramatsu
40
10.81%
1
2.86%
Jiri Olsa
29
7.84%
3
8.57%
Krister Johansen
21
5.68%
1
2.86%
Namhyung Kim
20
5.41%
3
8.57%
Adrian Hunter
17
4.59%
1
2.86%
Chanho Park
5
1.35%
1
2.86%
Don Zickus
4
1.08%
1
2.86%
Borislav Petkov
2
0.54%
2
5.71%
Kan Liang
1
0.27%
1
2.86%
Greg Kroah-Hartman
1
0.27%
1
2.86%
Joe Stringer
1
0.27%
1
2.86%
David Carrillo-Cisneros
1
0.27%
1
2.86%
Total
370
100.00%
35
100.00%
Directory: tools/perf/util

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