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perf callchain: Abstract callchain print function

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This is a preparation to support for printing other type of callchain
value like count or period.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1447047946-1691-4-git-send-email-namhyung@kernel.org
[ renamed new _sprintf_ operation to _scnprintf_ ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2015-11-09 14:45:39 +09:00
committed by Arnaldo Carvalho de Melo
parent 26e779245d
commit 5ab250cafc
5 changed files with 57 additions and 27 deletions
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8
tools/perf/ui/gtk/hists.c
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@@ -100,14 +100,10 @@ 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;
u64 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);
@@ -116,7 +112,7 @@ 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);
callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
gtk_tree_store_set(store, &iter, 0, buf, -1);
callchain_list__sym_name(chain, buf, sizeof(buf), false);