perf hists: Add a couple of hists stat helper functions
Add hists__{reset,inc}_[filter_]stats() functions to cleanup accesses
to hist stats (for output). Note that number of samples in the stat
is not handled here since it belongs to the input stage.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1398327843-31845-5-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index f5b388e..b675857 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -317,16 +317,6 @@
return he;
}
-void hists__inc_stats(struct hists *hists, struct hist_entry *h)
-{
- if (!h->filtered) {
- hists->nr_non_filtered_entries++;
- hists->stats.total_non_filtered_period += h->stat.period;
- }
- hists->nr_entries++;
- hists->stats.total_period += h->stat.period;
-}
-
static u8 symbol__parent_filter(const struct symbol *parent)
{
if (symbol_conf.exclude_other && parent == NULL)
@@ -632,6 +622,35 @@
return ret;
}
+static void hists__reset_filter_stats(struct hists *hists)
+{
+ hists->nr_non_filtered_entries = 0;
+ hists->stats.total_non_filtered_period = 0;
+}
+
+void hists__reset_stats(struct hists *hists)
+{
+ hists->nr_entries = 0;
+ hists->stats.total_period = 0;
+
+ hists__reset_filter_stats(hists);
+}
+
+static void hists__inc_filter_stats(struct hists *hists, struct hist_entry *h)
+{
+ hists->nr_non_filtered_entries++;
+ hists->stats.total_non_filtered_period += h->stat.period;
+}
+
+void hists__inc_stats(struct hists *hists, struct hist_entry *h)
+{
+ if (!h->filtered)
+ hists__inc_filter_stats(hists, h);
+
+ hists->nr_entries++;
+ hists->stats.total_period += h->stat.period;
+}
+
static void __hists__insert_output_entry(struct rb_root *entries,
struct hist_entry *he,
u64 min_callchain_hits)
@@ -675,9 +694,7 @@
next = rb_first(root);
hists->entries = RB_ROOT;
- hists->nr_non_filtered_entries = 0;
- hists->stats.total_period = 0;
- hists->stats.total_non_filtered_period = 0;
+ hists__reset_stats(hists);
hists__reset_col_len(hists);
while (next) {
@@ -699,13 +716,13 @@
if (h->filtered)
return;
- ++hists->nr_non_filtered_entries;
if (h->ms.unfolded)
hists->nr_non_filtered_entries += h->nr_rows;
h->row_offset = 0;
- hists->stats.total_non_filtered_period += h->stat.period;
+
hists->stats.nr_non_filtered_samples += h->stat.nr_events;
+ hists__inc_filter_stats(hists, h);
hists__calc_col_len(hists, h);
}
@@ -726,9 +743,9 @@
{
struct rb_node *nd;
- hists->nr_non_filtered_entries = 0;
- hists->stats.total_non_filtered_period = 0;
hists->stats.nr_non_filtered_samples = 0;
+
+ hists__reset_filter_stats(hists);
hists__reset_col_len(hists);
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
@@ -760,9 +777,9 @@
{
struct rb_node *nd;
- hists->nr_non_filtered_entries = 0;
- hists->stats.total_non_filtered_period = 0;
hists->stats.nr_non_filtered_samples = 0;
+
+ hists__reset_filter_stats(hists);
hists__reset_col_len(hists);
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
@@ -792,9 +809,9 @@
{
struct rb_node *nd;
- hists->nr_non_filtered_entries = 0;
- hists->stats.total_non_filtered_period = 0;
hists->stats.nr_non_filtered_samples = 0;
+
+ hists__reset_filter_stats(hists);
hists__reset_col_len(hists);
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {