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-rw-r--r--tools/perf/util/data_map.c2
-rw-r--r--tools/perf/util/symbol.c46
-rw-r--r--tools/perf/util/symbol.h7
3 files changed, 24 insertions, 31 deletions
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 */
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