forked from Minki/linux
d65a458b34
So that we reduce the noise when looking for leaks using tools such as valgrind. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
228 lines
5.8 KiB
C
228 lines
5.8 KiB
C
#ifndef __PERF_SYMBOL
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#define __PERF_SYMBOL 1
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#include <linux/types.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "map.h"
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#include <linux/list.h>
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#include <linux/rbtree.h>
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#include <stdio.h>
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#ifdef HAVE_CPLUS_DEMANGLE
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extern char *cplus_demangle(const char *, int);
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static inline char *bfd_demangle(void __used *v, const char *c, int i)
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{
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return cplus_demangle(c, i);
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}
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#else
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#ifdef NO_DEMANGLE
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static inline char *bfd_demangle(void __used *v, const char __used *c,
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int __used i)
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{
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return NULL;
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}
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#else
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#include <bfd.h>
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#endif
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#endif
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int hex2u64(const char *ptr, u64 *val);
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char *strxfrchar(char *s, char from, char to);
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/*
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* libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
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* for newer versions we can use mmap to reduce memory usage:
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*/
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#ifdef LIBELF_NO_MMAP
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# define PERF_ELF_C_READ_MMAP ELF_C_READ
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#else
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# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
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#endif
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#ifndef DMGL_PARAMS
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#define DMGL_PARAMS (1 << 0) /* Include function args */
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#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
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#endif
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#define BUILD_ID_SIZE 20
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struct symbol {
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struct rb_node rb_node;
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u64 start;
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u64 end;
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u16 namelen;
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char name[0];
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};
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void symbol__delete(struct symbol *self);
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struct strlist;
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struct symbol_conf {
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unsigned short priv_size;
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bool try_vmlinux_path,
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use_modules,
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sort_by_name,
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show_nr_samples,
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use_callchain,
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exclude_other,
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show_cpu_utilization;
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const char *vmlinux_name,
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*source_prefix,
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*field_sep;
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const char *default_guest_vmlinux_name,
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*default_guest_kallsyms,
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*default_guest_modules;
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const char *guestmount;
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const char *dso_list_str,
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*comm_list_str,
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*sym_list_str,
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*col_width_list_str;
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struct strlist *dso_list,
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*comm_list,
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*sym_list;
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};
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extern struct symbol_conf symbol_conf;
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static inline void *symbol__priv(struct symbol *self)
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{
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return ((void *)self) - symbol_conf.priv_size;
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}
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struct ref_reloc_sym {
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const char *name;
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u64 addr;
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u64 unrelocated_addr;
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};
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struct map_symbol {
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struct map *map;
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struct symbol *sym;
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bool unfolded;
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bool has_children;
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};
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struct addr_location {
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struct thread *thread;
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struct map *map;
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struct symbol *sym;
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u64 addr;
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char level;
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bool filtered;
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u8 cpumode;
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s32 cpu;
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};
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enum dso_kernel_type {
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DSO_TYPE_USER = 0,
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DSO_TYPE_KERNEL,
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DSO_TYPE_GUEST_KERNEL
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};
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struct dso {
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struct list_head node;
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struct rb_root symbols[MAP__NR_TYPES];
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struct rb_root symbol_names[MAP__NR_TYPES];
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enum dso_kernel_type kernel;
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u8 adjust_symbols:1;
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u8 slen_calculated:1;
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u8 has_build_id:1;
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u8 hit:1;
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u8 annotate_warned:1;
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u8 sname_alloc:1;
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u8 lname_alloc:1;
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unsigned char origin;
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u8 sorted_by_name;
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u8 loaded;
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u8 build_id[BUILD_ID_SIZE];
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const char *short_name;
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char *long_name;
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u16 long_name_len;
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u16 short_name_len;
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char name[0];
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};
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struct dso *dso__new(const char *name);
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struct dso *dso__new_kernel(const char *name);
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void dso__delete(struct dso *self);
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int dso__name_len(const struct dso *self);
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bool dso__loaded(const struct dso *self, enum map_type type);
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bool dso__sorted_by_name(const struct dso *self, enum map_type type);
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static inline void dso__set_loaded(struct dso *self, enum map_type type)
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{
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self->loaded |= (1 << type);
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}
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void dso__sort_by_name(struct dso *self, enum map_type type);
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struct dso *__dsos__findnew(struct list_head *head, const char *name);
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int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
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int dso__load_vmlinux_path(struct dso *self, struct map *map,
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symbol_filter_t filter);
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int dso__load_kallsyms(struct dso *self, const char *filename, struct map *map,
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symbol_filter_t filter);
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int machine__load_kallsyms(struct machine *self, const char *filename,
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enum map_type type, symbol_filter_t filter);
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int machine__load_vmlinux_path(struct machine *self, enum map_type type,
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symbol_filter_t filter);
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size_t __dsos__fprintf(struct list_head *head, FILE *fp);
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size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits);
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size_t machines__fprintf_dsos(struct rb_root *self, FILE *fp);
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size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits);
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size_t dso__fprintf_buildid(struct dso *self, FILE *fp);
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size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp);
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enum dso_origin {
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DSO__ORIG_KERNEL = 0,
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DSO__ORIG_GUEST_KERNEL,
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DSO__ORIG_JAVA_JIT,
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DSO__ORIG_BUILD_ID_CACHE,
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DSO__ORIG_FEDORA,
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DSO__ORIG_UBUNTU,
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DSO__ORIG_BUILDID,
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DSO__ORIG_DSO,
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DSO__ORIG_GUEST_KMODULE,
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DSO__ORIG_KMODULE,
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DSO__ORIG_NOT_FOUND,
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};
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char dso__symtab_origin(const struct dso *self);
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void dso__set_long_name(struct dso *self, char *name);
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void dso__set_build_id(struct dso *self, void *build_id);
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void dso__read_running_kernel_build_id(struct dso *self, struct machine *machine);
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struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr);
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struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type,
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const char *name);
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int filename__read_build_id(const char *filename, void *bf, size_t size);
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int sysfs__read_build_id(const char *filename, void *bf, size_t size);
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bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
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int build_id__sprintf(const u8 *self, int len, char *bf);
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int kallsyms__parse(const char *filename, void *arg,
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int (*process_symbol)(void *arg, const char *name,
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char type, u64 start));
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int __machine__create_kernel_maps(struct machine *self, struct dso *kernel);
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int machine__create_kernel_maps(struct machine *self);
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int machines__create_kernel_maps(struct rb_root *self, pid_t pid);
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int machines__create_guest_kernel_maps(struct rb_root *self);
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int symbol__init(void);
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void symbol__exit(void);
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bool symbol_type__is_a(char symbol_type, enum map_type map_type);
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size_t machine__fprintf_vmlinux_path(struct machine *self, FILE *fp);
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#endif /* __PERF_SYMBOL */
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