diff options
| -rw-r--r-- | tools/perf/builtin-annotate.c | 5 | ||||
| -rw-r--r-- | tools/perf/builtin-report.c | 3 | ||||
| -rw-r--r-- | tools/perf/builtin-top.c | 10 | ||||
| -rw-r--r-- | tools/perf/util/data_map.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/symbol.c | 46 | ||||
| -rw-r--r-- | tools/perf/util/symbol.h | 7 |
6 files changed, 38 insertions, 35 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 77d50a6d6802..b6da1476ab1b 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -33,6 +33,7 @@ static int input; static int full_paths; static int print_line; +static bool use_modules; static unsigned long page_size; static unsigned long mmap_window = 32; @@ -636,7 +637,7 @@ static int __cmd_annotate(void) exit(0); } - if (load_kernel(symbol_filter) < 0) { + if (load_kernel(symbol_filter, use_modules) < 0) { perror("failed to load kernel symbols"); return EXIT_FAILURE; } @@ -742,7 +743,7 @@ static const struct option options[] = { OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), OPT_STRING('k', "vmlinux", &vmlinux_name, "file", "vmlinux pathname"), - OPT_BOOLEAN('m', "modules", &modules, + OPT_BOOLEAN('m', "modules", &use_modules, "load module symbols - WARNING: use only with -k and LIVE kernel"), OPT_BOOLEAN('l', "print-line", &print_line, "print matching source lines (may be slow)"), diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 1a806d5f05cf..0af48401f089 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -38,6 +38,7 @@ static char *dso_list_str, *comm_list_str, *sym_list_str, static struct strlist *dso_list, *comm_list, *sym_list; static int force; +static bool use_modules; static int full_paths; static int show_nr_samples; @@ -1023,7 +1024,7 @@ static const struct option options[] = { "dump raw trace in ASCII"), OPT_STRING('k', "vmlinux", &vmlinux_name, "file", "vmlinux pathname"), OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), - OPT_BOOLEAN('m', "modules", &modules, + OPT_BOOLEAN('m', "modules", &use_modules, "load module symbols - WARNING: use only with -k and LIVE kernel"), OPT_BOOLEAN('n', "show-nr-samples", &show_nr_samples, "Show a column with the number of samples"), diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 6d770ac7be0b..48cc1084bc30 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -953,8 +953,16 @@ static int parse_symbols(void) if (kernel == NULL) return -1; + if (dsos__load_modules() < 0) + pr_debug("Couldn't read the complete list of modules, " + "continuing...\n"); + + if (dsos__load_modules_sym(symbol_filter) < 0) + pr_warning("Failed to read module symbols, continuing...\n"); + if (dso__load_kernel_sym(kernel, symbol_filter, 1) <= 0) - return -1; + pr_debug("Couldn't read the complete list of kernel symbols, " + "continuing...\n"); if (dump_symtab) dsos__fprintf(stderr); diff --git a/tools/perf/util/data_map.c b/tools/perf/util/data_map.c index 5543e7d0487d..a444a2645c85 100644 --- a/tools/perf/util/data_map.c +++ b/tools/perf/util/data_map.c @@ -171,7 +171,7 @@ int mmap_dispatch_perf_file(struct perf_header **pheader, goto out_delete; err = -ENOMEM; - if (load_kernel(NULL) < 0) { + if (load_kernel(NULL, 1) < 0) { pr_err("failed to load kernel symbols\n"); goto out_delete; } diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 4d75e745288f..3b23c18cd36b 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1230,7 +1230,7 @@ failure: return -1; } -static int dsos__load_modules_sym(symbol_filter_t filter) +int dsos__load_modules_sym(symbol_filter_t filter) { struct utsname uts; char modules_path[PATH_MAX]; @@ -1352,33 +1352,18 @@ static int dso__load_vmlinux(struct dso *self, struct map *map, return err; } -int dso__load_kernel_sym(struct dso *self, symbol_filter_t filter, int use_modules) +int dso__load_kernel_sym(struct dso *self, symbol_filter_t filter, + int use_modules) { - int err = -1; + int err; kernel_map = map__new2(0, self); if (kernel_map == NULL) - goto out_delete_dso; + return -1; kernel_map->map_ip = kernel_map->unmap_ip = identity__map_ip; - if (use_modules && dsos__load_modules() < 0) { - pr_warning("Failed to load list of modules in use! " - "Continuing...\n"); - use_modules = 0; - } - err = dso__load_vmlinux(self, kernel_map, self->name, filter); - if (err > 0 && use_modules) { - int syms = dsos__load_modules_sym(filter); - - if (syms < 0) - pr_warning("Failed to read module symbols!" - " Continuing...\n"); - else - err += syms; - } - if (err <= 0) err = kernel_maps__load_kallsyms(filter, use_modules); @@ -1404,17 +1389,12 @@ int dso__load_kernel_sym(struct dso *self, symbol_filter_t filter, int use_modul } return err; - -out_delete_dso: - dso__delete(self); - return -1; } LIST_HEAD(dsos); struct dso *vdso; const char *vmlinux_name = "vmlinux"; -int modules; static void dsos__add(struct dso *dso) { @@ -1488,14 +1468,26 @@ struct dso *dsos__load_kernel(void) return kernel; } -int load_kernel(symbol_filter_t filter) +int load_kernel(symbol_filter_t filter, bool use_modules) { struct dso *kernel = dsos__load_kernel(); if (kernel == NULL) return -1; - return dso__load_kernel_sym(kernel, filter, modules); + if (use_modules) { + if (dsos__load_modules() < 0) + pr_warning("Failed to load list of modules in use, " + "continuing...\n"); + else if (dsos__load_modules_sym(filter) < 0) + pr_warning("Failed to read module symbols, " + "continuing...\n"); + } + + if (dso__load_kernel_sym(kernel, filter, use_modules) < 0) + pr_warning("Failed to read kernel symbols, continuing...\n"); + + return 0; } void symbol__init(unsigned int priv_size) diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index f0593a649c3d..3d9d346d101b 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -78,9 +78,11 @@ void dso__delete(struct dso *self); struct symbol *dso__find_symbol(struct dso *self, u64 ip); int dsos__load_modules(void); +int dsos__load_modules_sym(symbol_filter_t filter); struct dso *dsos__findnew(const char *name); int dso__load(struct dso *self, struct map *map, symbol_filter_t filter); -int dso__load_kernel_sym(struct dso *self, symbol_filter_t filter, int modules); +int dso__load_kernel_sym(struct dso *self, symbol_filter_t filter, + int use_modules); void dsos__fprintf(FILE *fp); size_t dsos__fprintf_buildid(FILE *fp); @@ -95,7 +97,7 @@ bool dsos__read_build_ids(void); int build_id__sprintf(u8 *self, int len, char *bf); struct dso *dsos__load_kernel(void); -int load_kernel(symbol_filter_t filter); +int load_kernel(symbol_filter_t filter, bool use_modules); void symbol__init(unsigned int priv_size); @@ -103,5 +105,4 @@ extern struct list_head dsos; extern struct map *kernel_map; extern struct dso *vdso; extern const char *vmlinux_name; -extern int modules; #endif /* __PERF_SYMBOL */ |