sungmg/mutter-performance-source
1
0
Fork 0
Code Activity

profile: Add profiling points for Text

Browse source 
Add a static timer for the text layout code, and two counters for the
layout cache hit and miss conditions.
This commit is contained in:
Emmanuele Bassi 2010-04-22 17:54:05 +01:00
parent 5608a54708
commit 73e4d49053
1 changed files with 38 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
clutter/clutter-text.c
View file

@ -53,9 +53,10 @@
#include "clutter-enum-types.h"
#include "clutter-keysyms.h"
#include "clutter-main.h"
#include "clutter-private.h" /* includes pango/cogl-pango.h */
#include "clutter-units.h"
#include "clutter-marshal.h"
#include "clutter-private.h" /* includes pango/cogl-pango.h */
#include "clutter-profile.h"
#include "clutter-units.h"
/* cursor width in pixels */
#define DEFAULT_CURSOR_SIZE 2
@ -358,6 +359,14 @@ clutter_text_create_layout_no_cache (ClutterText *text,
gchar *contents;
gsize contents_len;
CLUTTER_STATIC_TIMER (text_layout_timer,
"Mainloop",
"Text Layout",
"Layout creation",
0);
CLUTTER_TIMER_START (_clutter_uprof_context, text_layout_timer);
layout = clutter_actor_create_pango_layout (CLUTTER_ACTOR (text), NULL);
pango_layout_set_font_description (layout, priv->font_desc);
@ -476,6 +485,8 @@ clutter_text_create_layout_no_cache (ClutterText *text,
g_free (contents);
CLUTTER_TIMER_STOP (_clutter_uprof_context, text_layout_timer);
return layout;
}
@ -532,6 +543,15 @@ clutter_text_create_layout (ClutterText *text,
gboolean found_free_cache = FALSE;
int i;
CLUTTER_STATIC_COUNTER (text_cache_hit_counter,
"Text layout cache hit counter",
"Increments for each layout cache hit",
0);
CLUTTER_STATIC_COUNTER (text_cache_miss_counter,
"Text layout cache miss counter",
"Increments for each layout cache miss",
0);
/* Search for a cached layout with the same width and keep
* track of the oldest one
*/
@ -554,6 +574,8 @@ clutter_text_create_layout (ClutterText *text,
allocation_width,
allocation_height);
CLUTTER_COUNTER_INC (_clutter_uprof_context, text_cache_hit_counter);
return priv->cached_layouts[i].layout;
}
else
@ -581,27 +603,33 @@ clutter_text_create_layout (ClutterText *text,
if (allocation_height == -1 &&
allocation_width == layout_width)
{
/* We've been asked for our height for the width we gave as a result
* of a _get_preferred_width call
/* We've been asked for our height for the width we gave
* as a result of a _get_preferred_width call
*/
CLUTTER_NOTE (ACTOR, "ClutterText: %p: cache hit for size %.2fx%.2f " \
CLUTTER_NOTE (ACTOR,
"ClutterText: %p: cache hit for size %.2fx%.2f "
"(matches width of extents)",
text,
allocation_width,
allocation_height);
CLUTTER_COUNTER_INC (_clutter_uprof_context, text_cache_hit_counter);
return priv->cached_layouts[i].layout;
}
else if (allocation_width == layout_width &&
allocation_height == layout_height)
{
/* We've been asked for width and height we gave before */
CLUTTER_NOTE (ACTOR, "ClutterText: %p: cache hit for size %.2fx%.2f " \
CLUTTER_NOTE (ACTOR,
"ClutterText: %p: cache hit for size %.2fx%.2f "
"(matches size of extents)",
text,
allocation_width,
allocation_height);
CLUTTER_COUNTER_INC (_clutter_uprof_context, text_cache_hit_counter);
return priv->cached_layouts[i].layout;
}
else if (!found_free_cache &&
@ -617,6 +645,8 @@ clutter_text_create_layout (ClutterText *text,
allocation_width,
allocation_height);
CLUTTER_COUNTER_INC (_clutter_uprof_context, text_cache_miss_counter);
/* If we make it here then we didn't have a cached version so we
need to recreate the layout */
if (oldest_cache->layout)