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264708b8ac
fetch_kernel_version() has been unused since Ian's 2023 commit
3d6dfae889 ("perf parse-events: Remove BPF event support")
Remove it, and it's helpers.
I noticed there are a bunch of kernel-version macros that are also
unused nearby.
Also remove them.
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20241116155850.113129-1-linux@treblig.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
120 lines
2.8 KiB
C
120 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PERF_UTIL_H
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#define __PERF_UTIL_H
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#define _BSD_SOURCE 1
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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 <dirent.h>
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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 <linux/compiler.h>
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#include <sys/types.h>
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#ifndef __cplusplus
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#include <internal/cpumap.h>
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#endif
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extern const char perf_usage_string[];
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extern const char perf_more_info_string[];
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extern const char *input_name;
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/* This will control if perf_{host,guest} will set attr.exclude_{host,guest}. */
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extern bool exclude_GH_default;
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extern bool perf_host;
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extern bool perf_guest;
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/* General helper functions */
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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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struct dirent;
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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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size_t hex_width(u64 v);
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int sysctl__max_stack(void);
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bool sysctl__nmi_watchdog_enabled(void);
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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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#ifndef HAVE_SCANDIRAT_SUPPORT
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int scandirat(int dirfd, const char *dirp,
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struct dirent ***namelist,
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int (*filter)(const struct dirent *),
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int (*compar)(const struct dirent **, const struct dirent **));
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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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char *perf_exe(char *buf, int len);
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#ifndef O_CLOEXEC
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#ifdef __sparc__
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#define O_CLOEXEC 0x400000
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#elif defined(__alpha__) || defined(__hppa__)
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#define O_CLOEXEC 010000000
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#else
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#define O_CLOEXEC 02000000
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#endif
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#endif
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struct perf_debuginfod {
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const char *urls;
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bool set;
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};
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void perf_debuginfod_setup(struct perf_debuginfod *di);
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char *filename_with_chroot(int pid, const char *filename);
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int do_realloc_array_as_needed(void **arr, size_t *arr_sz, size_t x,
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size_t msz, const void *init_val);
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#define realloc_array_as_needed(a, n, x, v) ({ \
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typeof(x) __x = (x); \
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__x >= (n) ? \
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do_realloc_array_as_needed((void **)&(a), \
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&(n), \
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__x, \
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sizeof(*(a)), \
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(const void *)(v)) : \
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0; \
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})
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static inline bool host_is_bigendian(void)
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{
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#ifdef __BYTE_ORDER__
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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return false;
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#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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return true;
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#else
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#error "Unrecognized __BYTE_ORDER__"
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#endif
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#else /* !__BYTE_ORDER__ */
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unsigned char str[] = { 0x1, 0x2, 0x3, 0x4, 0x0, 0x0, 0x0, 0x0};
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unsigned int *ptr;
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ptr = (unsigned int *)(void *)str;
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return *ptr == 0x01020304;
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#endif
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}
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#endif /* __PERF_UTIL_H */
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