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-rw-r--r--tools/perf/util/symbol.c141
1 files changed, 65 insertions, 76 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index e7588dc91518..20f9cb32b703 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -255,40 +255,6 @@ void symbol__delete(struct symbol *sym)
free(((void *)sym) - symbol_conf.priv_size);
}
-size_t symbol__fprintf(struct symbol *sym, FILE *fp)
-{
- return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %c %s\n",
- sym->start, sym->end,
- sym->binding == STB_GLOBAL ? 'g' :
- sym->binding == STB_LOCAL ? 'l' : 'w',
- sym->name);
-}
-
-size_t symbol__fprintf_symname_offs(const struct symbol *sym,
- const struct addr_location *al, FILE *fp)
-{
- unsigned long offset;
- size_t length;
-
- if (sym && sym->name) {
- length = fprintf(fp, "%s", sym->name);
- if (al) {
- if (al->addr < sym->end)
- offset = al->addr - sym->start;
- else
- offset = al->addr - al->map->start - sym->start;
- length += fprintf(fp, "+0x%lx", offset);
- }
- return length;
- } else
- return fprintf(fp, "[unknown]");
-}
-
-size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
-{
- return symbol__fprintf_symname_offs(sym, NULL, fp);
-}
-
void symbols__delete(struct rb_root *symbols)
{
struct symbol *pos;
@@ -335,7 +301,7 @@ static struct symbol *symbols__find(struct rb_root *symbols, u64 ip)
if (ip < s->start)
n = n->rb_left;
- else if (ip >= s->end)
+ else if (ip > s->end || (ip == s->end && ip != s->start))
n = n->rb_right;
else
return s;
@@ -364,11 +330,6 @@ static struct symbol *symbols__next(struct symbol *sym)
return NULL;
}
-struct symbol_name_rb_node {
- struct rb_node rb_node;
- struct symbol sym;
-};
-
static void symbols__insert_by_name(struct rb_root *symbols, struct symbol *sym)
{
struct rb_node **p = &symbols->rb_node;
@@ -452,6 +413,18 @@ void dso__reset_find_symbol_cache(struct dso *dso)
}
}
+void dso__insert_symbol(struct dso *dso, enum map_type type, struct symbol *sym)
+{
+ symbols__insert(&dso->symbols[type], sym);
+
+ /* update the symbol cache if necessary */
+ if (dso->last_find_result[type].addr >= sym->start &&
+ (dso->last_find_result[type].addr < sym->end ||
+ sym->start == sym->end)) {
+ dso->last_find_result[type].symbol = sym;
+ }
+}
+
struct symbol *dso__find_symbol(struct dso *dso,
enum map_type type, u64 addr)
{
@@ -497,21 +470,6 @@ void dso__sort_by_name(struct dso *dso, enum map_type type)
&dso->symbols[type]);
}
-size_t dso__fprintf_symbols_by_name(struct dso *dso,
- enum map_type type, FILE *fp)
-{
- size_t ret = 0;
- struct rb_node *nd;
- struct symbol_name_rb_node *pos;
-
- for (nd = rb_first(&dso->symbol_names[type]); nd; nd = rb_next(nd)) {
- pos = rb_entry(nd, struct symbol_name_rb_node, rb_node);
- fprintf(fp, "%s\n", pos->sym.name);
- }
-
- return ret;
-}
-
int modules__parse(const char *filename, void *arg,
int (*process_module)(void *arg, const char *name,
u64 start))
@@ -1262,8 +1220,8 @@ static int kallsyms__delta(struct map *map, const char *filename, u64 *delta)
return 0;
}
-int dso__load_kallsyms(struct dso *dso, const char *filename,
- struct map *map, symbol_filter_t filter)
+int __dso__load_kallsyms(struct dso *dso, const char *filename,
+ struct map *map, bool no_kcore, symbol_filter_t filter)
{
u64 delta = 0;
@@ -1284,12 +1242,18 @@ int dso__load_kallsyms(struct dso *dso, const char *filename,
else
dso->symtab_type = DSO_BINARY_TYPE__KALLSYMS;
- if (!dso__load_kcore(dso, map, filename))
+ if (!no_kcore && !dso__load_kcore(dso, map, filename))
return dso__split_kallsyms_for_kcore(dso, map, filter);
else
return dso__split_kallsyms(dso, map, delta, filter);
}
+int dso__load_kallsyms(struct dso *dso, const char *filename,
+ struct map *map, symbol_filter_t filter)
+{
+ return __dso__load_kallsyms(dso, filename, map, false, filter);
+}
+
static int dso__load_perf_map(struct dso *dso, struct map *map,
symbol_filter_t filter)
{
@@ -1644,25 +1608,27 @@ out:
return err;
}
+static bool visible_dir_filter(const char *name, struct dirent *d)
+{
+ if (d->d_type != DT_DIR)
+ return false;
+ return lsdir_no_dot_filter(name, d);
+}
+
static int find_matching_kcore(struct map *map, char *dir, size_t dir_sz)
{
char kallsyms_filename[PATH_MAX];
- struct dirent *dent;
int ret = -1;
- DIR *d;
+ struct strlist *dirs;
+ struct str_node *nd;
- d = opendir(dir);
- if (!d)
+ dirs = lsdir(dir, visible_dir_filter);
+ if (!dirs)
return -1;
- while (1) {
- dent = readdir(d);
- if (!dent)
- break;
- if (dent->d_type != DT_DIR)
- continue;
+ strlist__for_each(nd, dirs) {
scnprintf(kallsyms_filename, sizeof(kallsyms_filename),
- "%s/%s/kallsyms", dir, dent->d_name);
+ "%s/%s/kallsyms", dir, nd->s);
if (!validate_kcore_addresses(kallsyms_filename, map)) {
strlcpy(dir, kallsyms_filename, dir_sz);
ret = 0;
@@ -1670,7 +1636,7 @@ static int find_matching_kcore(struct map *map, char *dir, size_t dir_sz)
}
}
- closedir(d);
+ strlist__delete(dirs);
return ret;
}
@@ -1678,7 +1644,7 @@ static int find_matching_kcore(struct map *map, char *dir, size_t dir_sz)
static char *dso__find_kallsyms(struct dso *dso, struct map *map)
{
u8 host_build_id[BUILD_ID_SIZE];
- char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+ char sbuild_id[SBUILD_ID_SIZE];
bool is_host = false;
char path[PATH_MAX];
@@ -1696,8 +1662,8 @@ static char *dso__find_kallsyms(struct dso *dso, struct map *map)
build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id);
- scnprintf(path, sizeof(path), "%s/[kernel.kcore]/%s", buildid_dir,
- sbuild_id);
+ scnprintf(path, sizeof(path), "%s/%s/%s", buildid_dir,
+ DSO__NAME_KCORE, sbuild_id);
/* Use /proc/kallsyms if possible */
if (is_host) {
@@ -1733,8 +1699,8 @@ static char *dso__find_kallsyms(struct dso *dso, struct map *map)
if (!find_matching_kcore(map, path, sizeof(path)))
return strdup(path);
- scnprintf(path, sizeof(path), "%s/[kernel.kallsyms]/%s",
- buildid_dir, sbuild_id);
+ scnprintf(path, sizeof(path), "%s/%s/%s",
+ buildid_dir, DSO__NAME_KALLSYMS, sbuild_id);
if (access(path, F_OK)) {
pr_err("No kallsyms or vmlinux with build-id %s was found\n",
@@ -1803,7 +1769,7 @@ do_kallsyms:
if (err > 0 && !dso__is_kcore(dso)) {
dso->binary_type = DSO_BINARY_TYPE__KALLSYMS;
- dso__set_long_name(dso, "[kernel.kallsyms]", false);
+ dso__set_long_name(dso, DSO__NAME_KALLSYMS, false);
map__fixup_start(map);
map__fixup_end(map);
}
@@ -2067,3 +2033,26 @@ void symbol__exit(void)
symbol_conf.sym_list = symbol_conf.dso_list = symbol_conf.comm_list = NULL;
symbol_conf.initialized = false;
}
+
+int symbol__config_symfs(const struct option *opt __maybe_unused,
+ const char *dir, int unset __maybe_unused)
+{
+ char *bf = NULL;
+ int ret;
+
+ symbol_conf.symfs = strdup(dir);
+ if (symbol_conf.symfs == NULL)
+ return -ENOMEM;
+
+ /* skip the locally configured cache if a symfs is given, and
+ * config buildid dir to symfs/.debug
+ */
+ ret = asprintf(&bf, "%s/%s", dir, ".debug");
+ if (ret < 0)
+ return -ENOMEM;
+
+ set_buildid_dir(bf);
+
+ free(bf);
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-23 14:40:38 +0300