perf tools: Add sort__has_sym

The sort__has_sym variable is for checking whether the sort_list
includes 'symbol' as a sort key.  It will be used for later patch.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1347611729-16994-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 6 insertions, 0 deletions

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 0981bc7a2917..b5b1b9211960 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -8,6 +8,7 @@ const char	default_sort_order[] = "comm,dso,symbol";
 const char      *sort_order = default_sort_order;
 int             sort__need_collapse = 0;
 int             sort__has_parent = 0;
+int             sort__has_sym = 0;
 int             sort__branch_mode = -1; /* -1 = means not set */
 
 enum sort_type  sort__first_dimension;
@@ -511,6 +512,10 @@ int sort_dimension__add(const char *tok)
                                 return -EINVAL;
                         }
                         sort__has_parent = 1;
+                } else if (sd->entry == &sort_sym ||
+                           sd->entry == &sort_sym_from ||
+                           sd->entry == &sort_sym_to) {
+                        sort__has_sym = 1;
                 }
 
                 if (sd->taken)
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index e459c981b039..12d634792de5 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -31,6 +31,7 @@ extern const char *parent_pattern;
 extern const char default_sort_order[];
 extern int sort__need_collapse;
 extern int sort__has_parent;
+extern int sort__has_sym;
 extern int sort__branch_mode;
 extern struct sort_entry sort_comm;
 extern struct sort_entry sort_dso;