cregit-Linux how code gets into the kernel

Release 4.10 tools/perf/util/util.h

Directory: tools/perf/util
#ifndef GIT_COMPAT_UTIL_H

#define GIT_COMPAT_UTIL_H

#ifndef FLEX_ARRAY
/*
 * See if our compiler is known to support flexible array members.
 */
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)

# define FLEX_ARRAY 
/* empty */
#elif defined(__GNUC__)
# if (__GNUC__ >= 3)

#  define FLEX_ARRAY 
/* empty */
# else

#  define FLEX_ARRAY 0 
/* older GNU extension */
# endif
#endif

/*
 * Otherwise, default to safer but a bit wasteful traditional style
 */
#ifndef FLEX_ARRAY

# define FLEX_ARRAY 1
#endif
#endif


#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))

#ifdef __GNUC__

#define TYPEOF(x) (__typeof__(x))
#else

#define TYPEOF(x)
#endif


#define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (sizeof(x) * 8 - (bits))))

#define HAS_MULTI_BITS(i)  ((i) & ((i) - 1))  
/* checks if an integer has more than 1 bit set */

/* Approximation of the length of the decimal representation of this type. */

#define decimal_length(x)	((int)(sizeof(x) * 2.56 + 0.5) + 1)


#define _ALL_SOURCE 1

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

#define _DEFAULT_SOURCE 1

#define HAS_BOOL

#include <unistd.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <term.h>
#include <errno.h>
#include <limits.h>
#include <sys/param.h>
#include <sys/types.h>
#include <dirent.h>
#include <sys/time.h>
#include <time.h>
#include <signal.h>
#include <fnmatch.h>
#include <assert.h>
#include <regex.h>
#include <utime.h>
#include <sys/wait.h>
#include <poll.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <inttypes.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <sys/ttydefaults.h>
#include <api/fs/tracing_path.h>
#include <termios.h>
#include <linux/bitops.h>
#include <termios.h>
#include "strlist.h"

extern const char *graph_line;
extern const char *graph_dotted_line;
extern const char *spaces;
extern const char *dots;
extern char buildid_dir[];

/* On most systems <limits.h> would have given us this, but
 * not on some systems (e.g. GNU/Hurd).
 */
#ifndef PATH_MAX

#define PATH_MAX 4096
#endif

#ifndef PRIuMAX

#define PRIuMAX "llu"
#endif

#ifndef PRIu32

#define PRIu32 "u"
#endif

#ifndef PRIx32

#define PRIx32 "x"
#endif

#ifndef PATH_SEP

#define PATH_SEP ':'
#endif

#ifndef STRIP_EXTENSION

#define STRIP_EXTENSION ""
#endif

#ifndef has_dos_drive_prefix

#define has_dos_drive_prefix(path) 0
#endif

#ifndef is_dir_sep

#define is_dir_sep(c) ((c) == '/')
#endif

#ifdef __GNUC__

#define NORETURN __attribute__((__noreturn__))
#else

#define NORETURN
#ifndef __attribute__

#define __attribute__(x)
#endif
#endif


#define PERF_GTK_DSO  "libperf-gtk.so"

/* General helper functions */
void usage(const char *err) NORETURN;
void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));

void set_warning_routine(void (*routine)(const char *err, va_list params));

int prefixcmp(const char *str, const char *prefix);
void set_buildid_dir(const char *dir);

#ifdef __GLIBC_PREREQ
#if __GLIBC_PREREQ(2, 1)

#define HAVE_STRCHRNUL
#endif
#endif

#ifndef HAVE_STRCHRNUL

#define strchrnul gitstrchrnul

static inline char *gitstrchrnul(const char *s, int c) { while (*s && *s != c) s++; return (char *)s; }

Contributors

PersonTokensPropCommitsCommitProp
ingo molnaringo molnar36100.00%1100.00%
Total36100.00%1100.00%

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

Contributors

PersonTokensPropCommitsCommitProp
arnaldo carvalho de meloarnaldo carvalho de melo19100.00%1100.00%
Total19100.00%1100.00%

#define zfree(ptr) ({ free(*ptr); *ptr = NULL; }) /* Sane ctype - no locale, and works with signed chars */ #undef isascii #undef isspace #undef isdigit #undef isxdigit #undef isalpha #undef isprint #undef isalnum #undef islower #undef isupper #undef tolower #undef toupper extern unsigned char sane_ctype[256]; #define GIT_SPACE 0x01 #define GIT_DIGIT 0x02 #define GIT_ALPHA 0x04 #define GIT_GLOB_SPECIAL 0x08 #define GIT_REGEX_SPECIAL 0x10 #define GIT_PRINT_EXTRA 0x20 #define GIT_PRINT 0x3E #define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0) #define isascii(x) (((x) & ~0x7f) == 0) #define isspace(x) sane_istest(x,GIT_SPACE) #define isdigit(x) sane_istest(x,GIT_DIGIT) #define isxdigit(x) \ (sane_istest(toupper(x), GIT_ALPHA | GIT_DIGIT) && toupper(x) < 'G') #define isalpha(x) sane_istest(x,GIT_ALPHA) #define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT) #define isprint(x) sane_istest(x,GIT_PRINT) #define islower(x) (sane_istest(x,GIT_ALPHA) && (x & 0x20)) #define isupper(x) (sane_istest(x,GIT_ALPHA) && !(x & 0x20)) #define tolower(x) sane_case((unsigned char)(x), 0x20) #define toupper(x) sane_case((unsigned char)(x), 0)
static inline int sane_case(int x, int high) { if (sane_istest(x, GIT_ALPHA)) x = (x & ~0x20) | high; return x; }

Contributors

PersonTokensPropCommitsCommitProp
ingo molnaringo molnar36100.00%1100.00%
Total36100.00%1100.00%

int mkdir_p(char *path, mode_t mode); int rm_rf(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_offset(int fromfd, loff_t from_ofs, int tofd, loff_t to_ofs, u64 size); s64 perf_atoll(const char *str); char **argv_split(const char *str, int *argcp); void argv_free(char **argv); bool strglobmatch(const char *str, const char *pat); bool strglobmatch_nocase(const char *str, const char *pat); bool strlazymatch(const char *str, const char *pat);
static inline bool strisglob(const char *str) { return strpbrk(str, "*?[") != NULL; }

Contributors

PersonTokensPropCommitsCommitProp
masami hiramatsumasami hiramatsu22100.00%1100.00%
Total22100.00%1100.00%

int strtailcmp(const char *s1, const char *s2); char *strxfrchar(char *s, char from, char to); unsigned long convert_unit(unsigned long value, char *unit); ssize_t readn(int fd, void *buf, size_t n); ssize_t writen(int fd, void *buf, size_t n); struct perf_event_attr; void event_attr_init(struct perf_event_attr *attr); #define _STR(x) #x #define STR(x) _STR(x) size_t hex_width(u64 v); int hex2u64(const char *ptr, u64 *val); char *ltrim(char *s); char *rtrim(char *s);
static inline char *trim(char *s) { return ltrim(rtrim(s)); }

Contributors

PersonTokensPropCommitsCommitProp
jiri olsajiri olsa21100.00%1100.00%
Total21100.00%1100.00%

void dump_stack(void); void sighandler_dump_stack(int sig); extern unsigned int page_size; extern int cacheline_size; extern int sysctl_perf_event_max_stack; extern int sysctl_perf_event_max_contexts_per_stack; struct parse_tag { char tag; int mult; }; unsigned long parse_tag_value(const char *str, struct parse_tag *tags); #define SRCLINE_UNKNOWN ((char *) "??:0")
static inline int path__join(char *bf, size_t size, const char *path1, const char *path2) { return scnprintf(bf, size, "%s%s%s", path1, path1[0] ? "/" : "", path2); }

Contributors

PersonTokensPropCommitsCommitProp
arnaldo carvalho de meloarnaldo carvalho de melo47100.00%1100.00%
Total47100.00%1100.00%


static inline int path__join3(char *bf, size_t size, const char *path1, const char *path2, const char *path3) { return scnprintf(bf, size, "%s%s%s%s%s", path1, path1[0] ? "/" : "", path2, path2[0] ? "/" : "", path3); }

Contributors

PersonTokensPropCommitsCommitProp
arnaldo carvalho de meloarnaldo carvalho de melo63100.00%1100.00%
Total63100.00%1100.00%

struct dso; struct symbol; extern bool srcline_full_filename; char *get_srcline(struct dso *dso, u64 addr, struct symbol *sym, bool show_sym); char *__get_srcline(struct dso *dso, u64 addr, struct symbol *sym, bool show_sym, bool unwind_inlines); void free_srcline(char *srcline); int perf_event_paranoid(void); void mem_bswap_64(void *src, int byte_size); void mem_bswap_32(void *src, int byte_size); const char *get_filename_for_perf_kvm(void); bool find_process(const char *name); #ifdef HAVE_ZLIB_SUPPORT int gzip_decompress_to_file(const char *input, int output_fd); #endif #ifdef HAVE_LZMA_SUPPORT int lzma_decompress_to_file(const char *input, int output_fd); #endif char *asprintf_expr_inout_ints(const char *var, bool in, size_t nints, int *ints);
static inline char *asprintf_expr_in_ints(const char *var, size_t nints, int *ints) { return asprintf_expr_inout_ints(var, true, nints, ints); }

Contributors

PersonTokensPropCommitsCommitProp
arnaldo carvalho de meloarnaldo carvalho de melo32100.00%1100.00%
Total32100.00%1100.00%


static inline char *asprintf_expr_not_in_ints(const char *var, size_t nints, int *ints) { return asprintf_expr_inout_ints(var, false, nints, ints); }

Contributors

PersonTokensPropCommitsCommitProp
arnaldo carvalho de meloarnaldo carvalho de melo32100.00%1100.00%
Total32100.00%1100.00%

int get_stack_size(const char *str, unsigned long *_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); bool is_regular_file(const char *file); int fetch_current_timestamp(char *buf, size_t sz); enum binary_printer_ops { BINARY_PRINT_DATA_BEGIN, BINARY_PRINT_LINE_BEGIN, BINARY_PRINT_ADDR, BINARY_PRINT_NUM_DATA, BINARY_PRINT_NUM_PAD, BINARY_PRINT_SEP, BINARY_PRINT_CHAR_DATA, BINARY_PRINT_CHAR_PAD, BINARY_PRINT_LINE_END, BINARY_PRINT_DATA_END, }; typedef void (*print_binary_t)(enum binary_printer_ops, unsigned int val, void *extra); void print_binary(unsigned char *data, size_t len, size_t bytes_per_line, print_binary_t printer, void *extra); #if !defined(__GLIBC__) && !defined(__ANDROID__) extern int sched_getcpu(void); #endif int is_printable_array(char *p, unsigned int len); int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz); #endif /* GIT_COMPAT_UTIL_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
ingo molnaringo molnar60534.65%11.25%
arnaldo carvalho de meloarnaldo carvalho de melo43524.91%2126.25%
namhyung kimnamhyung kim1589.05%1215.00%
jiri olsajiri olsa1468.36%1316.25%
wang nanwang nan1247.10%56.25%
masami hiramatsumasami hiramatsu794.52%33.75%
andi kleenandi kleen533.04%45.00%
adrian hunteradrian hunter472.69%45.00%
peter zijlstrapeter zijlstra150.86%22.50%
frederic weisbeckerfrederic weisbecker140.80%22.50%
kan liangkan liang140.80%11.25%
joerg roedeljoerg roedel120.69%11.25%
stephane eranianstephane eranian100.57%11.25%
dongsheng yangdongsheng yang80.46%11.25%
chanho parkchanho park50.29%11.25%
jason baronjason baron50.29%11.25%
don zickusdon zickus40.23%11.25%
borislav petkovborislav petkov40.23%22.50%
josh poimboeufjosh poimboeuf30.17%11.25%
sukadev bhattiprolusukadev bhattiprolu20.11%11.25%
steven rostedtsteven rostedt20.11%11.25%
joonsoo kimjoonsoo kim10.06%11.25%
Total1746100.00%80100.00%
Directory: tools/perf/util
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.