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wip: quick per-frame css node stats

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Just print out the time that a toplevel css node takes
to validate, as well as the number of invalidated nodes,
created and cached styles.
This commit is contained in:
Matthias Clasen
2020-01-20 16:19:09 -05:00
parent 7e2e92a87e
commit 6716442c37
1 changed files with 39 additions and 1 deletions
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40
gtk/gtkcssnode.c
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@@ -122,6 +122,13 @@ gtk_css_node_get_style_provider_or_null (GtkCssNode *cssnode)
return GTK_CSS_NODE_GET_CLASS (cssnode)->get_style_provider (cssnode);
}
#define GTK_CSS_NODE_ACCOUNTING
#ifdef GTK_CSS_NODE_ACCOUNTING
static int invalidated_nodes;
static int created_styles;
static int cached_styles;
#endif
static void
gtk_css_node_set_invalid (GtkCssNode *node,
gboolean invalid)
@@ -131,6 +138,11 @@ gtk_css_node_set_invalid (GtkCssNode *node,
node->invalid = invalid;
#ifdef GTK_CSS_NODE_ACCOUNTING
if (invalid)
invalidated_nodes++;
#endif
if (node->visible)
{
if (node->parent)
@@ -367,7 +379,16 @@ gtk_css_node_create_style (GtkCssNode *cssnode,
style = lookup_in_global_parent_cache (cssnode, decl);
if (style)
return g_object_ref (style);
{
#ifdef GTK_CSS_NODE_ACCOUNTING
cached_styles++;
#endif
return g_object_ref (style);
}
#ifdef GTK_CSS_NODE_ACCOUNTING
created_styles++;
#endif
parent = cssnode->parent ? cssnode->parent->style : NULL;
@@ -1379,10 +1400,27 @@ void
gtk_css_node_validate (GtkCssNode *cssnode)
{
gint64 timestamp;
#ifdef GTK_CSS_NODE_ACCOUNTING
gint64 before = g_get_monotonic_time ();
#endif
timestamp = gtk_css_node_get_timestamp (cssnode);
gtk_css_node_validate_internal (cssnode, timestamp);
#ifdef GTK_CSS_NODE_ACCOUNTING
if (cssnode->parent == NULL)
{
g_print ("%g ms, nodes invalidated %d, styles created %d, cached %d\n",
((double)(g_get_monotonic_time () - before)) / G_TIME_SPAN_MILLISECOND,
invalidated_nodes, created_styles, cached_styles);
invalidated_nodes = 0;
created_styles = 0;
cached_styles = 0;
if (g_getenv ("GTK_CSS_DEBUG_EXIT_AFTER_VALIDATE"))
exit (0);
}
#endif
}
gboolean