]> Pileus Git - ~andy/linux/blobdiff - tools/perf/builtin-diff.c
rtnl/ipv4: use netconf msg to advertise forwarding status
[~andy/linux] / tools / perf / builtin-diff.c
index 761f4197a9e264e8fb7c1cc4f6665589d951c169..a0b531c14b974f24cbbd2727a879c59c69415e06 100644 (file)
@@ -70,8 +70,8 @@ static struct perf_tool tool = {
        .ordering_requires_timestamps = true,
 };
 
-static void perf_session__insert_hist_entry_by_name(struct rb_root *root,
-                                                   struct hist_entry *he)
+static void insert_hist_entry_by_name(struct rb_root *root,
+                                     struct hist_entry *he)
 {
        struct rb_node **p = &root->rb_node;
        struct rb_node *parent = NULL;
@@ -90,7 +90,7 @@ static void perf_session__insert_hist_entry_by_name(struct rb_root *root,
        rb_insert_color(&he->rb_node, root);
 }
 
-static void hists__resort_entries(struct hists *self)
+static void hists__name_resort(struct hists *self, bool sort)
 {
        unsigned long position = 1;
        struct rb_root tmp = RB_ROOT;
@@ -100,12 +100,16 @@ static void hists__resort_entries(struct hists *self)
                struct hist_entry *n = rb_entry(next, struct hist_entry, rb_node);
 
                next = rb_next(&n->rb_node);
-               rb_erase(&n->rb_node, &self->entries);
                n->position = position++;
-               perf_session__insert_hist_entry_by_name(&tmp, n);
+
+               if (sort) {
+                       rb_erase(&n->rb_node, &self->entries);
+                       insert_hist_entry_by_name(&tmp, n);
+               }
        }
 
-       self->entries = tmp;
+       if (sort)
+               self->entries = tmp;
 }
 
 static struct hist_entry *hists__find_entry(struct hists *self,
@@ -121,7 +125,7 @@ static struct hist_entry *hists__find_entry(struct hists *self,
                        n = n->rb_left;
                else if (cmp > 0)
                        n = n->rb_right;
-               else 
+               else
                        return iter;
        }
 
@@ -150,6 +154,24 @@ static struct perf_evsel *evsel_match(struct perf_evsel *evsel,
        return NULL;
 }
 
+static void perf_evlist__resort_hists(struct perf_evlist *evlist, bool name)
+{
+       struct perf_evsel *evsel;
+
+       list_for_each_entry(evsel, &evlist->entries, node) {
+               struct hists *hists = &evsel->hists;
+
+               hists__output_resort(hists);
+
+               /*
+                * The hists__name_resort only sets possition
+                * if name is false.
+                */
+               if (name || ((!name) && show_displacement))
+                       hists__name_resort(hists, name);
+       }
+}
+
 static int __cmd_diff(void)
 {
        int ret, i;
@@ -176,15 +198,8 @@ static int __cmd_diff(void)
        evlist_old = older->evlist;
        evlist_new = newer->evlist;
 
-       list_for_each_entry(evsel, &evlist_new->entries, node)
-               hists__output_resort(&evsel->hists);
-
-       list_for_each_entry(evsel, &evlist_old->entries, node) {
-               hists__output_resort(&evsel->hists);
-
-               if (show_displacement)
-                       hists__resort_entries(&evsel->hists);
-       }
+       perf_evlist__resort_hists(evlist_old, true);
+       perf_evlist__resort_hists(evlist_new, false);
 
        list_for_each_entry(evsel, &evlist_new->entries, node) {
                struct perf_evsel *evsel_old;
@@ -199,8 +214,7 @@ static int __cmd_diff(void)
                first = false;
 
                hists__match(&evsel_old->hists, &evsel->hists);
-               hists__fprintf(&evsel->hists, &evsel_old->hists,
-                              show_displacement, true, 0, 0, stdout);
+               hists__fprintf(&evsel->hists, true, 0, 0, stdout);
        }
 
 out_delete:
@@ -242,6 +256,21 @@ static const struct option options[] = {
        OPT_END()
 };
 
+static void ui_init(void)
+{
+       perf_hpp__init();
+
+       /* No overhead column. */
+       perf_hpp__column_enable(PERF_HPP__OVERHEAD, false);
+
+       /* Display baseline/delta/displacement columns. */
+       perf_hpp__column_enable(PERF_HPP__BASELINE, true);
+       perf_hpp__column_enable(PERF_HPP__DELTA, true);
+
+       if (show_displacement)
+               perf_hpp__column_enable(PERF_HPP__DISPL, true);
+}
+
 int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused)
 {
        sort_order = diff__default_sort_order;
@@ -264,7 +293,8 @@ int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused)
        if (symbol__init() < 0)
                return -1;
 
-       perf_hpp__init(true, show_displacement);
+       ui_init();
+
        setup_sorting(diff_usage, options);
        setup_pager();