From: Namhyung Kim <[email protected]>
Display callchain percent value in the overhead column.
Signed-off-by: Namhyung Kim <[email protected]>
Reviewed-by: Pekka Enberg <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
tools/perf/ui/gtk/hists.c | 27 ++++++++++++++++++++++++---
1 file changed, 24 insertions(+), 3 deletions(-)
diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index 226c7e1..fa9f8a0 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -134,7 +134,7 @@ static void callchain_list__sym_name(struct callchain_list *cl,
}
static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
- GtkTreeIter *parent, int col)
+ GtkTreeIter *parent, int col, u64 total)
{
struct rb_node *nd;
bool has_single_node = (rb_first(root) == rb_last(root));
@@ -144,9 +144,14 @@ static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
struct callchain_list *chain;
GtkTreeIter iter, new_parent;
bool need_new_parent;
+ double percent;
+ u64 hits, child_total;
node = rb_entry(nd, struct callchain_node, rb_node);
+ hits = callchain_cumul_hits(node);
+ percent = 100.0 * hits / total;
+
new_parent = *parent;
need_new_parent = !has_single_node && (node->val_nr > 1);
@@ -155,6 +160,9 @@ static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
gtk_tree_store_append(store, &iter, &new_parent);
+ scnprintf(buf, sizeof(buf), "%5.2f%%", percent);
+ gtk_tree_store_set(store, &iter, 0, buf, -1);
+
callchain_list__sym_name(chain, buf, sizeof(buf));
gtk_tree_store_set(store, &iter, col, buf, -1);
@@ -168,8 +176,14 @@ static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
}
}
+ if (callchain_param.mode == CHAIN_GRAPH_REL)
+ child_total = node->children_hit;
+ else
+ child_total = total;
+
/* Now 'iter' contains info of the last callchain_list */
- perf_gtk__add_callchain(&node->rb_root, store, &iter, col);
+ perf_gtk__add_callchain(&node->rb_root, store, &iter, col,
+ child_total);
}
}
@@ -283,8 +297,15 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
}
if (symbol_conf.use_callchain && sort__has_sym) {
+ u64 total;
+
+ if (callchain_param.mode == CHAIN_GRAPH_REL)
+ total = h->stat.period;
+ else
+ total = hists->stats.total_period;
+
perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
- sym_col);
+ sym_col, total);
}
}
--
1.8.1.4