perf tools: Delay loading symtabs till we hit a map with it
So that we can have a quicker start on perf top and even
speedups in the other tools, as we can have maps with no hits,
so no need to load its symtabs.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <1256773881-4191-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 8f0208c..0273d83 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -909,6 +909,8 @@
int ret = -1;
int fd;
+ self->loaded = true;
+
if (!name)
return -1;
@@ -1019,6 +1021,8 @@
{
int err = 0, fd = open(self->long_name, O_RDONLY);
+ self->loaded = true;
+
if (fd < 0) {
pr_err("%s: cannot open %s\n", __func__, self->long_name);
return err;
@@ -1214,6 +1218,8 @@
{
int err, fd = open(vmlinux, O_RDONLY);
+ self->loaded = true;
+
if (fd < 0)
return -1;
@@ -1312,19 +1318,15 @@
return NULL;
}
-struct dso *dsos__findnew(const char *name, unsigned int sym_priv_size,
- bool *is_new)
+struct dso *dsos__findnew(const char *name, unsigned int sym_priv_size)
{
struct dso *dso = dsos__find(name);
if (!dso) {
dso = dso__new(name, sym_priv_size);
- if (dso) {
+ if (dso != NULL)
dsos__add(dso);
- *is_new = true;
- }
- } else
- *is_new = false;
+ }
return dso;
}