summaryrefslogtreecommitdiffstats
path: root/tools/perf/util/util.h
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/util.h')
-rw-r--r--tools/perf/util/util.h97
1 files changed, 97 insertions, 0 deletions
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
new file mode 100644
index 000000000..c1f2d423a
--- /dev/null
+++ b/tools/perf/util/util.h
@@ -0,0 +1,97 @@
+/* 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 <fcntl.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <linux/compiler.h>
+#include <sys/types.h>
+#ifndef __cplusplus
+#include <internal/cpumap.h>
+#endif
+
+/* General helper functions */
+void usage(const char *err) __noreturn;
+void die(const char *err, ...) __noreturn __printf(1, 2);
+
+struct dirent;
+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);
+
+size_t hex_width(u64 v);
+
+int sysctl__max_stack(void);
+
+bool sysctl__nmi_watchdog_enabled(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)
+
+int perf_tip(char **strp, const char *dirpath);
+
+#ifndef HAVE_SCHED_GETCPU_SUPPORT
+int sched_getcpu(void);
+#endif
+
+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
+#elif defined(__alpha__) || defined(__hppa__)
+#define O_CLOEXEC 010000000
+#else
+#define O_CLOEXEC 02000000
+#endif
+#endif
+
+extern bool test_attr__enabled;
+void test_attr__ready(void);
+void test_attr__init(void);
+struct perf_event_attr;
+void test_attr__open(struct perf_event_attr *attr, pid_t pid, struct perf_cpu cpu,
+ int fd, int group_fd, unsigned long flags);
+
+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; \
+ })
+
+#endif /* GIT_COMPAT_UTIL_H */