perf symbols: Preserve symbol scope when parsing /proc/kallsyms

kallsyms__parse capitalises the symbol type, so every symbol is marked
global. Remove this and fix symbol_type__is_a to handle both local and
global symbols.

Cc: Eric B Munson <emunson@mgebm.net>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110824065243.077125989@samba.org
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index f119e85..0d94ddb 100644 (file)
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -74,11 +74,13 @@ static void dso__set_sorted_by_name(struct dso *dso, enum map_type type)
 
 bool symbol_type__is_a(char symbol_type, enum map_type map_type)
 {
+       symbol_type = toupper(symbol_type);
+
        switch (map_type) {
        case MAP__FUNCTION:
                return symbol_type == 'T' || symbol_type == 'W';
        case MAP__VARIABLE:
-               return symbol_type == 'D' || symbol_type == 'd';
+               return symbol_type == 'D';
        default:
                return false;
        }
@@ -463,7 +465,7 @@ int kallsyms__parse(const char *filename, void *arg,
                if (len + 2 >= line_len)
                        continue;
 
-               symbol_type = toupper(line[len]);
+               symbol_type = line[len];
                len += 2;
                symbol_name = line + len;
                len = line_len - len;