Commit-ID:  2cc9d0ef577975abb3ebce7d5978559ec1c73633
Gitweb:     http://git.kernel.org/tip/2cc9d0ef577975abb3ebce7d5978559ec1c73633
Author:     Namhyung Kim <namhyung....@lge.com>
AuthorDate: Wed, 11 Sep 2013 14:09:31 +0900
Committer:  Arnaldo Carvalho de Melo <a...@redhat.com>
CommitDate: Wed, 9 Oct 2013 16:02:02 -0300

perf tools: Save failed result of get_srcline()

Some dso's lack srcline info, so there's no point to keep trying on
them.  Just save failture status and skip them.

Signed-off-by: Namhyung Kim <namhy...@kernel.org>
Reviewed-by: Jiri Olsa <jo...@redhat.com>
Cc: Ingo Molnar <mi...@kernel.org>
Cc: Jiri Olsa <jo...@redhat.com>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
Link: 
http://lkml.kernel.org/r/1378876173-13363-8-git-send-email-namhy...@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/util/dso.c     |  1 +
 tools/perf/util/dso.h     |  1 +
 tools/perf/util/srcline.c | 10 ++++++++--
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 6bfc8aa..af4c687c 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -450,6 +450,7 @@ struct dso *dso__new(const char *name)
                dso->rel = 0;
                dso->sorted_by_name = 0;
                dso->has_build_id = 0;
+               dso->has_srcline = 1;
                dso->kernel = DSO_TYPE_USER;
                dso->needs_swap = DSO_SWAP__UNSET;
                INIT_LIST_HEAD(&dso->node);
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index 72eedd6..9ac666a 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -83,6 +83,7 @@ struct dso {
        enum dso_binary_type    data_type;
        u8               adjust_symbols:1;
        u8               has_build_id:1;
+       u8               has_srcline:1;
        u8               hit:1;
        u8               annotate_warned:1;
        u8               sname_alloc:1;
diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index c736d94..dcff10b 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -58,10 +58,13 @@ char *get_srcline(struct dso *dso, unsigned long addr)
 {
        char *file;
        unsigned line;
-       char *srcline = SRCLINE_UNKNOWN;
+       char *srcline;
        char *dso_name = dso->long_name;
        size_t size;
 
+       if (!dso->has_srcline)
+               return SRCLINE_UNKNOWN;
+
        if (dso_name[0] == '[')
                goto out;
 
@@ -81,8 +84,11 @@ char *get_srcline(struct dso *dso, unsigned long addr)
                srcline = SRCLINE_UNKNOWN;
 
        free(file);
-out:
        return srcline;
+
+out:
+       dso->has_srcline = 0;
+       return SRCLINE_UNKNOWN;
 }
 
 void free_srcline(char *srcline)
--
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