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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/tools/perf/util/util.h
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@@ -6,10 +6,9 @@
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 /* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
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 #define _DEFAULT_SOURCE 1
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+#include <fcntl.h>
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 #include <stdbool.h>
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 #include <stddef.h>
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-#include <stdlib.h>
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-#include <stdarg.h>
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 #include <linux/compiler.h>
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 #include <sys/types.h>
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@@ -17,35 +16,20 @@
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 void usage(const char *err) __noreturn;
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 void die(const char *err, ...) __noreturn __printf(1, 2);
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-static inline void *zalloc(size_t size)
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-{
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-	return calloc(1, size);
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-}
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-
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-#define zfree(ptr) ({ free((void *)*ptr); *ptr = NULL; })
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-
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 struct dirent;
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-struct nsinfo;
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 struct strlist;
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 int mkdir_p(char *path, mode_t mode);
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 int rm_rf(const char *path);
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+int rm_rf_perf_data(const char *path);
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 struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *));
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 bool lsdir_no_dot_filter(const char *name, struct dirent *d);
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-int copyfile(const char *from, const char *to);
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-int copyfile_mode(const char *from, const char *to, mode_t mode);
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-int copyfile_ns(const char *from, const char *to, struct nsinfo *nsi);
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-
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-ssize_t readn(int fd, void *buf, size_t n);
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-ssize_t writen(int fd, const void *buf, size_t n);
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 size_t hex_width(u64 v);
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-int hex2u64(const char *ptr, u64 *val);
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-
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-extern unsigned int page_size;
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-int __pure cacheline_size(void);
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 int sysctl__max_stack(void);
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+
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+bool sysctl__nmi_watchdog_enabled(void);
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 int fetch_kernel_version(unsigned int *puint,
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 			 char *str, size_t str_sz);
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@@ -55,24 +39,18 @@
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 #define KVER_FMT	"%d.%d.%d"
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 #define KVER_PARAM(x)	KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x)
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-const char *perf_tip(const char *dirpath);
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-
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-#ifndef HAVE_GET_CURRENT_DIR_NAME
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-char *get_current_dir_name(void);
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-#endif
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+int perf_tip(char **strp, const char *dirpath);
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 #ifndef HAVE_SCHED_GETCPU_SUPPORT
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 int sched_getcpu(void);
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-#endif
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-
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-#ifndef HAVE_SETNS_SUPPORT
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-int setns(int fd, int nstype);
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 #endif
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 extern bool perf_singlethreaded;
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 void perf_set_singlethreaded(void);
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 void perf_set_multithreaded(void);
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+
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+char *perf_exe(char *buf, int len);
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 #ifndef O_CLOEXEC
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 #ifdef __sparc__
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@@ -84,4 +62,10 @@
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 #endif
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 #endif
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+extern bool test_attr__enabled;
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+void test_attr__ready(void);
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+void test_attr__init(void);
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+struct perf_event_attr;
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+void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
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+		     int fd, int group_fd, unsigned long flags);
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 #endif /* GIT_COMPAT_UTIL_H */