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-rw-r--r--tools/perf/util/symbol.c89
1 files changed, 44 insertions, 45 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index d3d9fed74f1..185b9eec192 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1,5 +1,6 @@
#include "util.h"
#include "../perf.h"
+#include "session.h"
#include "string.h"
#include "symbol.h"
#include "thread.h"
@@ -31,7 +32,7 @@ enum dso_origin {
static void dsos__add(struct list_head *head, struct dso *dso);
static struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
static int dso__load_kernel_sym(struct dso *self, struct map *map,
- struct map_groups *mg, symbol_filter_t filter);
+ struct perf_session *session, symbol_filter_t filter);
unsigned int symbol__priv_size;
static int vmlinux_path__nr_entries;
static char **vmlinux_path;
@@ -41,9 +42,6 @@ static struct symbol_conf symbol_conf__defaults = {
.try_vmlinux_path = true,
};
-static struct map_groups kmaps_mem;
-struct map_groups *kmaps = &kmaps_mem;
-
bool dso__loaded(const struct dso *self, enum map_type type)
{
return self->loaded & (1 << type);
@@ -456,7 +454,7 @@ out_failure:
* the original ELF section names vmlinux have.
*/
static int dso__split_kallsyms(struct dso *self, struct map *map,
- struct map_groups *mg, symbol_filter_t filter)
+ struct perf_session *session, symbol_filter_t filter)
{
struct map *curr_map = map;
struct symbol *pos;
@@ -473,13 +471,13 @@ static int dso__split_kallsyms(struct dso *self, struct map *map,
module = strchr(pos->name, '\t');
if (module) {
- if (!mg->use_modules)
+ if (!session->use_modules)
goto discard_symbol;
*module++ = '\0';
if (strcmp(self->name, module)) {
- curr_map = map_groups__find_by_name(mg, map->type, module);
+ curr_map = map_groups__find_by_name(&session->kmaps, map->type, module);
if (curr_map == NULL) {
pr_debug("/proc/{kallsyms,modules} "
"inconsistency!\n");
@@ -510,7 +508,7 @@ static int dso__split_kallsyms(struct dso *self, struct map *map,
}
curr_map->map_ip = curr_map->unmap_ip = identity__map_ip;
- map_groups__insert(mg, curr_map);
+ map_groups__insert(&session->kmaps, curr_map);
++kernel_range;
}
@@ -531,7 +529,7 @@ discard_symbol: rb_erase(&pos->rb_node, root);
static int dso__load_kallsyms(struct dso *self, struct map *map,
- struct map_groups *mg, symbol_filter_t filter)
+ struct perf_session *session, symbol_filter_t filter)
{
if (dso__load_all_kallsyms(self, map) < 0)
return -1;
@@ -539,14 +537,7 @@ static int dso__load_kallsyms(struct dso *self, struct map *map,
symbols__fixup_end(&self->symbols[map->type]);
self->origin = DSO__ORIG_KERNEL;
- return dso__split_kallsyms(self, map, mg, filter);
-}
-
-size_t kernel_maps__fprintf(FILE *fp)
-{
- size_t printed = fprintf(fp, "Kernel maps:\n");
- printed += map_groups__fprintf_maps(kmaps, fp);
- return printed + fprintf(fp, "END kernel maps\n");
+ return dso__split_kallsyms(self, map, session, filter);
}
static int dso__load_perf_map(struct dso *self, struct map *map,
@@ -873,7 +864,7 @@ static bool elf_sec__is_a(GElf_Shdr *self, Elf_Data *secstrs, enum map_type type
}
static int dso__load_sym(struct dso *self, struct map *map,
- struct map_groups *mg, const char *name, int fd,
+ struct perf_session *session, const char *name, int fd,
symbol_filter_t filter, int kernel, int kmodule)
{
struct map *curr_map = map;
@@ -977,7 +968,7 @@ static int dso__load_sym(struct dso *self, struct map *map,
snprintf(dso_name, sizeof(dso_name),
"%s%s", self->short_name, section_name);
- curr_map = map_groups__find_by_name(mg, map->type, dso_name);
+ curr_map = map_groups__find_by_name(&session->kmaps, map->type, dso_name);
if (curr_map == NULL) {
u64 start = sym.st_value;
@@ -996,7 +987,7 @@ static int dso__load_sym(struct dso *self, struct map *map,
curr_map->map_ip = identity__map_ip;
curr_map->unmap_ip = identity__map_ip;
curr_dso->origin = DSO__ORIG_KERNEL;
- map_groups__insert(kmaps, curr_map);
+ map_groups__insert(&session->kmaps, curr_map);
dsos__add(&dsos__kernel, curr_dso);
} else
curr_dso = curr_map->dso;
@@ -1211,7 +1202,8 @@ 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 dso__load(struct dso *self, struct map *map, struct perf_session *session,
+ symbol_filter_t filter)
{
int size = PATH_MAX;
char *name;
@@ -1222,7 +1214,7 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
dso__set_loaded(self, map->type);
if (self->kernel)
- return dso__load_kernel_sym(self, map, kmaps, filter);
+ return dso__load_kernel_sym(self, map, session, filter);
name = malloc(size);
if (!name)
@@ -1323,7 +1315,7 @@ struct map *map_groups__find_by_name(struct map_groups *self,
return NULL;
}
-static int dsos__set_modules_path_dir(char *dirname)
+static int perf_session__set_modules_path_dir(struct perf_session *self, char *dirname)
{
struct dirent *dent;
DIR *dir = opendir(dirname);
@@ -1343,7 +1335,7 @@ static int dsos__set_modules_path_dir(char *dirname)
snprintf(path, sizeof(path), "%s/%s",
dirname, dent->d_name);
- if (dsos__set_modules_path_dir(path) < 0)
+ if (perf_session__set_modules_path_dir(self, path) < 0)
goto failure;
} else {
char *dot = strrchr(dent->d_name, '.'),
@@ -1357,7 +1349,7 @@ static int dsos__set_modules_path_dir(char *dirname)
(int)(dot - dent->d_name), dent->d_name);
strxfrchar(dso_name, '-', '_');
- map = map_groups__find_by_name(kmaps, MAP__FUNCTION, dso_name);
+ map = map_groups__find_by_name(&self->kmaps, MAP__FUNCTION, dso_name);
if (map == NULL)
continue;
@@ -1377,7 +1369,7 @@ failure:
return -1;
}
-static int dsos__set_modules_path(void)
+static int perf_session__set_modules_path(struct perf_session *self)
{
struct utsname uts;
char modules_path[PATH_MAX];
@@ -1388,7 +1380,7 @@ static int dsos__set_modules_path(void)
snprintf(modules_path, sizeof(modules_path), "/lib/modules/%s/kernel",
uts.release);
- return dsos__set_modules_path_dir(modules_path);
+ return perf_session__set_modules_path_dir(self, modules_path);
}
/*
@@ -1410,7 +1402,7 @@ static struct map *map__new2(u64 start, struct dso *dso, enum map_type type)
return self;
}
-static int map_groups__create_module_maps(struct map_groups *self)
+static int perf_session__create_module_maps(struct perf_session *self)
{
char *line = NULL;
size_t n;
@@ -1467,14 +1459,14 @@ static int map_groups__create_module_maps(struct map_groups *self)
dso->has_build_id = true;
dso->origin = DSO__ORIG_KMODULE;
- map_groups__insert(self, map);
+ map_groups__insert(&self->kmaps, map);
dsos__add(&dsos__kernel, dso);
}
free(line);
fclose(file);
- return dsos__set_modules_path();
+ return perf_session__set_modules_path(self);
out_delete_line:
free(line);
@@ -1483,7 +1475,7 @@ out_failure:
}
static int dso__load_vmlinux(struct dso *self, struct map *map,
- struct map_groups *mg,
+ struct perf_session *session,
const char *vmlinux, symbol_filter_t filter)
{
int err = -1, fd;
@@ -1517,14 +1509,14 @@ static int dso__load_vmlinux(struct dso *self, struct map *map,
return -1;
dso__set_loaded(self, map->type);
- err = dso__load_sym(self, map, mg, self->long_name, fd, filter, 1, 0);
+ err = dso__load_sym(self, map, session, self->long_name, fd, filter, 1, 0);
close(fd);
return err;
}
static int dso__load_kernel_sym(struct dso *self, struct map *map,
- struct map_groups *mg, symbol_filter_t filter)
+ struct perf_session *session, symbol_filter_t filter)
{
int err;
bool is_kallsyms;
@@ -1534,7 +1526,7 @@ static int dso__load_kernel_sym(struct dso *self, struct map *map,
pr_debug("Looking at the vmlinux_path (%d entries long)\n",
vmlinux_path__nr_entries);
for (i = 0; i < vmlinux_path__nr_entries; ++i) {
- err = dso__load_vmlinux(self, map, mg,
+ err = dso__load_vmlinux(self, map, session,
vmlinux_path[i], filter);
if (err > 0) {
pr_debug("Using %s for symbols\n",
@@ -1550,12 +1542,12 @@ static int dso__load_kernel_sym(struct dso *self, struct map *map,
if (is_kallsyms)
goto do_kallsyms;
- err = dso__load_vmlinux(self, map, mg, self->long_name, filter);
+ err = dso__load_vmlinux(self, map, session, self->long_name, filter);
if (err <= 0) {
pr_info("The file %s cannot be used, "
"trying to use /proc/kallsyms...", self->long_name);
do_kallsyms:
- err = dso__load_kallsyms(self, map, mg, filter);
+ err = dso__load_kallsyms(self, map, session, filter);
if (err > 0 && !is_kallsyms)
dso__set_long_name(self, strdup("[kernel.kallsyms]"));
}
@@ -1757,23 +1749,30 @@ int symbol__init(struct symbol_conf *conf)
if (pconf->sort_by_name)
symbol__priv_size += (sizeof(struct symbol_name_rb_node) -
sizeof(struct symbol));
- map_groups__init(kmaps);
if (pconf->try_vmlinux_path && vmlinux_path__init() < 0)
return -1;
- if (map_groups__create_kernel_maps(kmaps, pconf->vmlinux_name) < 0) {
- vmlinux_path__exit();
+ return 0;
+}
+
+int perf_session__create_kernel_maps(struct perf_session *self,
+ struct symbol_conf *conf)
+{
+ const struct symbol_conf *pconf = conf ?: &symbol_conf__defaults;
+
+ if (map_groups__create_kernel_maps(&self->kmaps,
+ pconf->vmlinux_name) < 0)
return -1;
- }
- kmaps->use_modules = pconf->use_modules;
- if (pconf->use_modules && map_groups__create_module_maps(kmaps) < 0)
- pr_debug("Failed to load list of modules in use, "
- "continuing...\n");
+ self->use_modules = pconf->use_modules;
+
+ if (pconf->use_modules && perf_session__create_module_maps(self) < 0)
+ pr_debug("Failed to load list of modules for session %s, "
+ "continuing...\n", self->filename);
/*
* Now that we have all the maps created, just set the ->end of them:
*/
- map_groups__fixup_end(kmaps);
+ map_groups__fixup_end(&self->kmaps);
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-19 17:07:17 +0000