return NULL;
}
-/* Tag samples to be skipped. */
-static const char *skip_symbols[] = {
- "intel_idle",
- "default_idle",
- "native_safe_halt",
- "cpu_idle",
- "enter_idle",
- "exit_idle",
- "mwait_idle",
- "mwait_idle_with_hints",
- "poll_idle",
- "ppc64_runlatch_off",
- "pseries_dedicated_idle_sleep",
- NULL
-};
-
static int symbol_filter(struct map *map __maybe_unused, struct symbol *sym)
{
const char *name = sym->name;
- int i;
/*
* ppc64 uses function descriptors and appends a '.' to the
strstr(name, "_text_end"))
return 1;
- for (i = 0; skip_symbols[i]; i++) {
- if (!strcmp(skip_symbols[i], name)) {
- sym->ignore = true;
- break;
- }
- }
+ if (symbol__is_idle(sym))
+ sym->ignore = true;
return 0;
}
return isupper(type) ? STB_GLOBAL : STB_LOCAL;
}
+bool symbol__is_idle(struct symbol *sym)
+{
+ const char * const idle_symbols[] = {
+ "cpu_idle",
+ "intel_idle",
+ "default_idle",
+ "native_safe_halt",
+ "enter_idle",
+ "exit_idle",
+ "mwait_idle",
+ "mwait_idle_with_hints",
+ "poll_idle",
+ "ppc64_runlatch_off",
+ "pseries_dedicated_idle_sleep",
+ NULL
+ };
+
+ int i;
+
+ if (!sym)
+ return false;
+
+ for (i = 0; idle_symbols[i]; i++) {
+ if (!strcmp(idle_symbols[i], sym->name))
+ return true;
+ }
+
+ return false;
+}
+
static int map__process_kallsym_symbol(void *arg, const char *name,
char type, u64 start)
{
bool symbol_type__is_a(char symbol_type, enum map_type map_type);
bool symbol__restricted_filename(const char *filename,
const char *restricted_filename);
+bool symbol__is_idle(struct symbol *sym);
int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss,
struct symsrc *runtime_ss, symbol_filter_t filter,