diff options
Diffstat (limited to 'tools/perf/util/util.h')
| -rw-r--r-- | tools/perf/util/util.h | 107 |
1 files changed, 69 insertions, 38 deletions
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index ece040b799f6..3423778e39a5 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -1,74 +1,62 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#ifndef GIT_COMPAT_UTIL_H -#define GIT_COMPAT_UTIL_H +#ifndef __PERF_UTIL_H +#define __PERF_UTIL_H #define _BSD_SOURCE 1 /* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */ #define _DEFAULT_SOURCE 1 +#include <dirent.h> #include <fcntl.h> #include <stdbool.h> #include <stddef.h> -#include <stdlib.h> -#include <stdarg.h> #include <linux/compiler.h> #include <sys/types.h> +#ifndef __cplusplus +#include <internal/cpumap.h> +#endif + +extern const char perf_usage_string[]; +extern const char perf_more_info_string[]; + +extern const char *input_name; + +/* This will control if perf_{host,guest} will set attr.exclude_{host,guest}. */ +extern bool exclude_GH_default; + +extern bool perf_host; +extern bool perf_guest; /* 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); -} - -#define zfree(ptr) ({ free(*ptr); *ptr = NULL; }) - struct dirent; -struct nsinfo; struct strlist; int mkdir_p(char *path, mode_t mode); int rm_rf(const char *path); +int rm_rf_perf_data(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); -int copyfile_offset(int ifd, loff_t off_in, int ofd, loff_t off_out, u64 size); - -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; -int __pure cacheline_size(void); int sysctl__max_stack(void); -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) +bool sysctl__nmi_watchdog_enabled(void); -const char *perf_tip(const char *dirpath); - -#ifndef HAVE_GET_CURRENT_DIR_NAME -char *get_current_dir_name(void); -#endif +int perf_tip(char **strp, const char *dirpath); #ifndef HAVE_SCHED_GETCPU_SUPPORT int sched_getcpu(void); #endif -#ifndef HAVE_SETNS_SUPPORT -int setns(int fd, int nstype); +#ifndef HAVE_SCANDIRAT_SUPPORT +int scandirat(int dirfd, const char *dirp, + struct dirent ***namelist, + int (*filter)(const struct dirent *), + int (*compar)(const struct dirent **, const struct dirent **)); #endif extern bool perf_singlethreaded; @@ -76,6 +64,8 @@ extern bool perf_singlethreaded; void perf_set_singlethreaded(void); void perf_set_multithreaded(void); +char *perf_exe(char *buf, int len); + #ifndef O_CLOEXEC #ifdef __sparc__ #define O_CLOEXEC 0x400000 @@ -86,4 +76,45 @@ void perf_set_multithreaded(void); #endif #endif -#endif /* GIT_COMPAT_UTIL_H */ +struct perf_debuginfod { + const char *urls; + bool set; +}; +void perf_debuginfod_setup(struct perf_debuginfod *di); + +char *filename_with_chroot(int pid, const char *filename); + +int do_realloc_array_as_needed(void **arr, size_t *arr_sz, size_t x, + size_t msz, const void *init_val); + +#define realloc_array_as_needed(a, n, x, v) ({ \ + typeof(x) __x = (x); \ + __x >= (n) ? \ + do_realloc_array_as_needed((void **)&(a), \ + &(n), \ + __x, \ + sizeof(*(a)), \ + (const void *)(v)) : \ + 0; \ + }) + +static inline bool host_is_bigendian(void) +{ +#ifdef __BYTE_ORDER__ +#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ + return false; +#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ + return true; +#else +#error "Unrecognized __BYTE_ORDER__" +#endif +#else /* !__BYTE_ORDER__ */ + unsigned char str[] = { 0x1, 0x2, 0x3, 0x4, 0x0, 0x0, 0x0, 0x0}; + unsigned int *ptr; + + ptr = (unsigned int *)(void *)str; + return *ptr == 0x01020304; +#endif +} + +#endif /* __PERF_UTIL_H */ |