perf tools: Add ->sort() member to struct sort_entry

Currently, what the sort_entry does is just identifying hist entries
so that they can be grouped properly.  However, with -F option
support, it indeed needs to sort entries appropriately to be shown to
users.  So add ->sort() member to do it.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/r/1400480762-22852-13-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>

2 files changed, 23 insertions, 5 deletions

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index b748b02fcb78..5414ba541e47 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -99,6 +99,12 @@ sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
         return comm__str(right->comm) - comm__str(left->comm);
 }
 
+static int64_t
+sort__comm_sort(struct hist_entry *left, struct hist_entry *right)
+{
+        return strcmp(comm__str(right->comm), comm__str(left->comm));
+}
+
 static int hist_entry__comm_snprintf(struct hist_entry *he, char *bf,
                                      size_t size, unsigned int width)
 {
@@ -109,6 +115,7 @@ struct sort_entry sort_comm = {
         .se_header      = "Command",
         .se_cmp         = sort__comm_cmp,
         .se_collapse    = sort__comm_collapse,
+        .se_sort        = sort__comm_sort,
         .se_snprintf    = hist_entry__comm_snprintf,
         .se_width_idx   = HISTC_COMM,
 };
@@ -122,7 +129,7 @@ static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
         const char *dso_name_l, *dso_name_r;
 
         if (!dso_l || !dso_r)
-                return cmp_null(dso_l, dso_r);
+                return cmp_null(dso_r, dso_l);
 
         if (verbose) {
                 dso_name_l = dso_l->long_name;
@@ -138,7 +145,7 @@ static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
 static int64_t
 sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
 {
-        return _sort__dso_cmp(left->ms.map, right->ms.map);
+        return _sort__dso_cmp(right->ms.map, left->ms.map);
 }
 
 static int _hist_entry__dso_snprintf(struct map *map, char *bf,
@@ -210,6 +217,15 @@ sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
         return _sort__sym_cmp(left->ms.sym, right->ms.sym);
 }
 
+static int64_t
+sort__sym_sort(struct hist_entry *left, struct hist_entry *right)
+{
+        if (!left->ms.sym || !right->ms.sym)
+                return cmp_null(left->ms.sym, right->ms.sym);
+
+        return strcmp(right->ms.sym->name, left->ms.sym->name);
+}
+
 static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
                                      u64 ip, char level, char *bf, size_t size,
                                      unsigned int width)
@@ -256,6 +272,7 @@ static int hist_entry__sym_snprintf(struct hist_entry *he, char *bf,
 struct sort_entry sort_sym = {
         .se_header      = "Symbol",
         .se_cmp         = sort__sym_cmp,
+        .se_sort        = sort__sym_sort,
         .se_snprintf    = hist_entry__sym_snprintf,
         .se_width_idx   = HISTC_SYMBOL,
 };
@@ -283,7 +300,7 @@ sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right)
                                             map__rip_2objdump(map, right->ip));
                 }
         }
-        return strcmp(left->srcline, right->srcline);
+        return strcmp(right->srcline, left->srcline);
 }
 
 static int hist_entry__srcline_snprintf(struct hist_entry *he, char *bf,
@@ -311,7 +328,7 @@ sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
         if (!sym_l || !sym_r)
                 return cmp_null(sym_l, sym_r);
 
-        return strcmp(sym_l->name, sym_r->name);
+        return strcmp(sym_r->name, sym_l->name);
 }
 
 static int hist_entry__parent_snprintf(struct hist_entry *he, char *bf,
@@ -1126,7 +1143,7 @@ __sort_dimension__alloc_hpp(struct sort_dimension *sd)
 
         hse->hpp.cmp = sd->entry->se_cmp;
         hse->hpp.collapse = sd->entry->se_collapse ? : sd->entry->se_cmp;
-        hse->hpp.sort = hse->hpp.collapse;
+        hse->hpp.sort = sd->entry->se_sort ? : hse->hpp.collapse;
 
         INIT_LIST_HEAD(&hse->hpp.list);
         INIT_LIST_HEAD(&hse->hpp.sort_list);
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 89e5057ca378..f5a831c3d0fb 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -182,6 +182,7 @@ struct sort_entry {
 
         int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
         int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
+        int64_t (*se_sort)(struct hist_entry *, struct hist_entry *);
         int     (*se_snprintf)(struct hist_entry *he, char *bf, size_t size,
                                unsigned int width);
         u8      se_width_idx;