diff options
Diffstat (limited to 'tools/perf/util/symbol.c')
-rw-r--r-- | tools/perf/util/symbol.c | 134 |
1 files changed, 59 insertions, 75 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 0a48984..8f0208c 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -76,7 +76,7 @@ static void kernel_maps__fixup_end(void) } static struct symbol *symbol__new(u64 start, u64 len, const char *name, - unsigned int priv_size, int v) + unsigned int priv_size) { size_t namelen = strlen(name) + 1; struct symbol *self = calloc(1, priv_size + sizeof(*self) + namelen); @@ -91,8 +91,7 @@ static struct symbol *symbol__new(u64 start, u64 len, const char *name, self->start = start; self->end = len ? start + len - 1 : start; - if (v > 2) - printf("%s: %s %#Lx-%#Lx\n", __func__, name, start, self->end); + pr_debug3("%s: %s %#Lx-%#Lx\n", __func__, name, start, self->end); memcpy(self->name, name, namelen); @@ -209,7 +208,7 @@ size_t dso__fprintf(struct dso *self, FILE *fp) * so that we can in the next step set the symbol ->end address and then * call kernel_maps__split_kallsyms. */ -static int kernel_maps__load_all_kallsyms(int v) +static int kernel_maps__load_all_kallsyms(void) { char *line = NULL; size_t n; @@ -252,7 +251,7 @@ static int kernel_maps__load_all_kallsyms(int v) * Will fix up the end later, when we have all symbols sorted. */ sym = symbol__new(start, 0, symbol_name, - kernel_map->dso->sym_priv_size, v); + kernel_map->dso->sym_priv_size); if (sym == NULL) goto out_delete_line; @@ -300,8 +299,8 @@ static int kernel_maps__split_kallsyms(symbol_filter_t filter, int use_modules) if (strcmp(map->dso->name, module)) { map = kernel_maps__find_by_dso_name(module); if (!map) { - fputs("/proc/{kallsyms,modules} " - "inconsistency!\n", stderr); + pr_err("/proc/{kallsyms,modules} " + "inconsistency!\n"); return -1; } } @@ -351,10 +350,9 @@ delete_symbol: } -static int kernel_maps__load_kallsyms(symbol_filter_t filter, - int use_modules, int v) +static int kernel_maps__load_kallsyms(symbol_filter_t filter, int use_modules) { - if (kernel_maps__load_all_kallsyms(v)) + if (kernel_maps__load_all_kallsyms()) return -1; dso__fixup_sym_end(kernel_map->dso); @@ -362,9 +360,9 @@ static int kernel_maps__load_kallsyms(symbol_filter_t filter, return kernel_maps__split_kallsyms(filter, use_modules); } -static size_t kernel_maps__fprintf(FILE *fp, int v) +static size_t kernel_maps__fprintf(FILE *fp) { - size_t printed = fprintf(stderr, "Kernel maps:\n"); + size_t printed = fprintf(fp, "Kernel maps:\n"); struct rb_node *nd; for (nd = rb_first(&kernel_maps); nd; nd = rb_next(nd)) { @@ -372,17 +370,17 @@ static size_t kernel_maps__fprintf(FILE *fp, int v) printed += fprintf(fp, "Map:"); printed += map__fprintf(pos, fp); - if (v > 1) { + if (verbose > 1) { printed += dso__fprintf(pos->dso, fp); printed += fprintf(fp, "--\n"); } } - return printed + fprintf(stderr, "END kernel maps\n"); + return printed + fprintf(fp, "END kernel maps\n"); } static int dso__load_perf_map(struct dso *self, struct map *map, - symbol_filter_t filter, int v) + symbol_filter_t filter) { char *line = NULL; size_t n; @@ -420,7 +418,7 @@ static int dso__load_perf_map(struct dso *self, struct map *map, continue; sym = symbol__new(start, size, line + len, - self->sym_priv_size, v); + self->sym_priv_size); if (sym == NULL) goto out_delete_line; @@ -534,7 +532,7 @@ static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, * And always look at the original dso, not at debuginfo packages, that * have the PLT data stripped out (shdr_rel_plt.sh_type == SHT_NOBITS). */ -static int dso__synthesize_plt_symbols(struct dso *self, int v) +static int dso__synthesize_plt_symbols(struct dso *self) { uint32_t nr_rel_entries, idx; GElf_Sym sym; @@ -618,7 +616,7 @@ static int dso__synthesize_plt_symbols(struct dso *self, int v) "%s@plt", elf_sym__name(&sym, symstrs)); f = symbol__new(plt_offset, shdr_plt.sh_entsize, - sympltname, self->sym_priv_size, v); + sympltname, self->sym_priv_size); if (!f) goto out_elf_end; @@ -636,7 +634,7 @@ static int dso__synthesize_plt_symbols(struct dso *self, int v) "%s@plt", elf_sym__name(&sym, symstrs)); f = symbol__new(plt_offset, shdr_plt.sh_entsize, - sympltname, self->sym_priv_size, v); + sympltname, self->sym_priv_size); if (!f) goto out_elf_end; @@ -654,14 +652,14 @@ out_close: if (err == 0) return nr; out: - fprintf(stderr, "%s: problems reading %s PLT info.\n", - __func__, self->long_name); + pr_warning("%s: problems reading %s PLT info.\n", + __func__, self->long_name); return 0; } static int dso__load_sym(struct dso *self, struct map *map, const char *name, int fd, symbol_filter_t filter, int kernel, - int kmodule, int v) + int kmodule) { struct map *curr_map = map; struct dso *curr_dso = self; @@ -680,15 +678,12 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, elf = elf_begin(fd, ELF_C_READ_MMAP, NULL); if (elf == NULL) { - if (v) - fprintf(stderr, "%s: cannot read %s ELF file.\n", - __func__, name); + pr_err("%s: cannot read %s ELF file.\n", __func__, name); goto out_close; } if (gelf_getehdr(elf, &ehdr) == NULL) { - if (v) - fprintf(stderr, "%s: cannot get elf header.\n", __func__); + pr_err("%s: cannot get elf header.\n", __func__); goto out_elf_end; } @@ -794,10 +789,9 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, } if (curr_dso->adjust_symbols) { - if (v > 2) - printf("adjusting symbol: st_value: %Lx sh_addr: %Lx sh_offset: %Lx\n", - (u64)sym.st_value, (u64)shdr.sh_addr, (u64)shdr.sh_offset); - + pr_debug2("adjusting symbol: st_value: %Lx sh_addr: " + "%Lx sh_offset: %Lx\n", (u64)sym.st_value, + (u64)shdr.sh_addr, (u64)shdr.sh_offset); sym.st_value -= shdr.sh_addr - shdr.sh_offset; } /* @@ -810,7 +804,7 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, elf_name = demangled; new_symbol: f = symbol__new(sym.st_value, sym.st_size, elf_name, - curr_dso->sym_priv_size, v); + curr_dso->sym_priv_size); free(demangled); if (!f) goto out_elf_end; @@ -837,7 +831,7 @@ out_close: #define BUILD_ID_SIZE 128 -static char *dso__read_build_id(struct dso *self, int v) +static char *dso__read_build_id(struct dso *self) { int i; GElf_Ehdr ehdr; @@ -854,15 +848,13 @@ static char *dso__read_build_id(struct dso *self, int v) elf = elf_begin(fd, ELF_C_READ_MMAP, NULL); if (elf == NULL) { - if (v) - fprintf(stderr, "%s: cannot read %s ELF file.\n", - __func__, self->long_name); + pr_err("%s: cannot read %s ELF file.\n", __func__, + self->long_name); goto out_close; } if (gelf_getehdr(elf, &ehdr) == NULL) { - if (v) - fprintf(stderr, "%s: cannot get elf header.\n", __func__); + pr_err("%s: cannot get elf header.\n", __func__); goto out_elf_end; } @@ -884,8 +876,7 @@ static char *dso__read_build_id(struct dso *self, int v) ++raw; bid += 2; } - if (v >= 2) - printf("%s(%s): %s\n", __func__, self->long_name, build_id); + pr_debug2("%s(%s): %s\n", __func__, self->long_name, build_id); out_elf_end: elf_end(elf); out_close: @@ -911,8 +902,7 @@ char dso__symtab_origin(const struct dso *self) return origin[self->origin]; } -int dso__load(struct dso *self, struct map *map, - symbol_filter_t filter, int v) +int dso__load(struct dso *self, struct map *map, symbol_filter_t filter) { int size = PATH_MAX; char *name = malloc(size), *build_id = NULL; @@ -925,7 +915,7 @@ int dso__load(struct dso *self, struct map *map, self->adjust_symbols = 0; if (strncmp(self->name, "/tmp/perf-", 10) == 0) { - ret = dso__load_perf_map(self, map, filter, v); + ret = dso__load_perf_map(self, map, filter); self->origin = ret > 0 ? DSO__ORIG_JAVA_JIT : DSO__ORIG_NOT_FOUND; return ret; @@ -946,7 +936,7 @@ more: self->long_name); break; case DSO__ORIG_BUILDID: - build_id = dso__read_build_id(self, v); + build_id = dso__read_build_id(self); if (build_id != NULL) { snprintf(name, size, "/usr/lib/debug/.build-id/%.2s/%s.debug", @@ -967,7 +957,7 @@ more: fd = open(name, O_RDONLY); } while (fd < 0); - ret = dso__load_sym(self, map, name, fd, filter, 0, 0, v); + ret = dso__load_sym(self, map, name, fd, filter, 0, 0); close(fd); /* @@ -977,7 +967,7 @@ more: goto more; if (ret > 0) { - int nr_plt = dso__synthesize_plt_symbols(self, v); + int nr_plt = dso__synthesize_plt_symbols(self); if (nr_plt > 0) ret += nr_plt; } @@ -1025,34 +1015,29 @@ struct map *kernel_maps__find_by_dso_name(const char *name) } static int dso__load_module_sym(struct dso *self, struct map *map, - symbol_filter_t filter, int v) + symbol_filter_t filter) { int err = 0, fd = open(self->long_name, O_RDONLY); if (fd < 0) { - if (v) - fprintf(stderr, "%s: cannot open %s\n", - __func__, self->long_name); + pr_err("%s: cannot open %s\n", __func__, self->long_name); return err; } - err = dso__load_sym(self, map, self->long_name, fd, filter, 0, 1, v); + err = dso__load_sym(self, map, self->long_name, fd, filter, 0, 1); close(fd); return err; } -static int dsos__load_modules_sym_dir(char *dirname, - symbol_filter_t filter, int v) +static int dsos__load_modules_sym_dir(char *dirname, symbol_filter_t filter) { struct dirent *dent; int nr_symbols = 0, err; DIR *dir = opendir(dirname); if (!dir) { - if (v) - fprintf(stderr, "%s: cannot open %s dir\n", __func__, - dirname); + pr_err("%s: cannot open %s dir\n", __func__, dirname); return -1; } @@ -1066,7 +1051,7 @@ static int dsos__load_modules_sym_dir(char *dirname, snprintf(path, sizeof(path), "%s/%s", dirname, dent->d_name); - err = dsos__load_modules_sym_dir(path, filter, v); + err = dsos__load_modules_sym_dir(path, filter); if (err < 0) goto failure; } else { @@ -1092,7 +1077,7 @@ static int dsos__load_modules_sym_dir(char *dirname, if (map->dso->long_name == NULL) goto failure; - err = dso__load_module_sym(map->dso, map, filter, v); + err = dso__load_module_sym(map->dso, map, filter); if (err < 0) goto failure; last = rb_last(&map->dso->syms); @@ -1119,7 +1104,7 @@ failure: return -1; } -static int dsos__load_modules_sym(symbol_filter_t filter, int v) +static int dsos__load_modules_sym(symbol_filter_t filter) { struct utsname uts; char modules_path[PATH_MAX]; @@ -1130,7 +1115,7 @@ static int dsos__load_modules_sym(symbol_filter_t filter, int v) snprintf(modules_path, sizeof(modules_path), "/lib/modules/%s/kernel", uts.release); - return dsos__load_modules_sym_dir(modules_path, filter, v); + return dsos__load_modules_sym_dir(modules_path, filter); } /* @@ -1225,15 +1210,14 @@ out_failure: } static int dso__load_vmlinux(struct dso *self, struct map *map, - const char *vmlinux, - symbol_filter_t filter, int v) + const char *vmlinux, symbol_filter_t filter) { int err, fd = open(vmlinux, O_RDONLY); if (fd < 0) return -1; - err = dso__load_sym(self, map, self->long_name, fd, filter, 1, 0, v); + err = dso__load_sym(self, map, self->long_name, fd, filter, 1, 0); close(fd); @@ -1241,7 +1225,7 @@ static int dso__load_vmlinux(struct dso *self, struct map *map, } int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, - symbol_filter_t filter, int v, int use_modules) + symbol_filter_t filter, int use_modules) { int err = -1; struct dso *dso = dso__new(vmlinux, sym_priv_size); @@ -1257,26 +1241,26 @@ int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, kernel_map->map_ip = kernel_map->unmap_ip = identity__map_ip; if (use_modules && dsos__load_modules(sym_priv_size) < 0) { - fprintf(stderr, "Failed to load list of modules in use! " - "Continuing...\n"); + pr_warning("Failed to load list of modules in use! " + "Continuing...\n"); use_modules = 0; } if (vmlinux) { - err = dso__load_vmlinux(dso, kernel_map, vmlinux, filter, v); + err = dso__load_vmlinux(dso, kernel_map, vmlinux, filter); if (err > 0 && use_modules) { - int syms = dsos__load_modules_sym(filter, v); + int syms = dsos__load_modules_sym(filter); if (syms < 0) - fprintf(stderr, "Failed to read module symbols!" - " Continuing...\n"); + pr_warning("Failed to read module symbols!" + " Continuing...\n"); else err += syms; } } if (err <= 0) - err = kernel_maps__load_kallsyms(filter, use_modules, v); + err = kernel_maps__load_kallsyms(filter, use_modules); if (err > 0) { struct rb_node *node = rb_first(&dso->syms); @@ -1296,8 +1280,8 @@ int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, kernel_maps__fixup_end(); dsos__add(dso); - if (v > 0) - kernel_maps__fprintf(stderr, v); + if (verbose) + kernel_maps__fprintf(stderr); } return err; @@ -1355,8 +1339,8 @@ void dsos__fprintf(FILE *fp) int load_kernel(unsigned int sym_priv_size, symbol_filter_t filter) { - if (dsos__load_kernel(vmlinux_name, sym_priv_size, - filter, verbose, modules) <= 0) + if (dsos__load_kernel(vmlinux_name, sym_priv_size, filter, + modules) <= 0) return -1; vdso = dso__new("[vdso]", 0); |