[gegl] gegl-stats: add gegl_reset_stats()

[N/A <ell src gnome org>]

commit 86031b78e3b4b70e7e2b2587f54420a7f23d1c35
Author: Ell <ell_se yahoo com>
Date:   Sat Dec 30 13:36:09 2017 -0500

    gegl-stats: add gegl_reset_stats()
    
    ... which resets the cumulative properties of GeglStats (in
    particular, cache-total-max, cache-hits, and cache-misses).

 gegl/buffer/gegl-tile-handler-cache.c |    8 ++++++++
 gegl/buffer/gegl-tile-handler-cache.h |    2 ++
 gegl/gegl-init.c                      |    5 +++++
 gegl/gegl-init.h                      |    8 ++++++++
 gegl/gegl-stats.c                     |    6 ++++++
 gegl/gegl-stats.h                     |    2 ++
 6 files changed, 31 insertions(+), 0 deletions(-)
---
diff --git a/gegl/buffer/gegl-tile-handler-cache.c b/gegl/buffer/gegl-tile-handler-cache.c
index aee0d83..73cade8 100644
--- a/gegl/buffer/gegl-tile-handler-cache.c
+++ b/gegl/buffer/gegl-tile-handler-cache.c
@@ -679,6 +679,14 @@ gegl_tile_handler_cache_get_misses (void)
   return cache_misses;
 }
 
+void
+gegl_tile_handler_cache_reset_stats (void)
+{
+  cache_total_max = cache_total;
+  cache_hits      = 0;
+  cache_misses    = 0;
+}
+
 
 static guint
 gegl_tile_handler_cache_hashfunc (gconstpointer key)
diff --git a/gegl/buffer/gegl-tile-handler-cache.h b/gegl/buffer/gegl-tile-handler-cache.h
index 568dfa0..be271a2 100644
--- a/gegl/buffer/gegl-tile-handler-cache.h
+++ b/gegl/buffer/gegl-tile-handler-cache.h
@@ -67,4 +67,6 @@ gsize             gegl_tile_handler_cache_get_total_uncloned (void);
 gint              gegl_tile_handler_cache_get_hits           (void);
 gint              gegl_tile_handler_cache_get_misses         (void);
 
+void              gegl_tile_handler_cache_reset_stats        (void);
+
 #endif
diff --git a/gegl/gegl-init.c b/gegl/gegl-init.c
index 06bd450..f45d0d0 100644
--- a/gegl/gegl-init.c
+++ b/gegl/gegl-init.c
@@ -426,6 +426,11 @@ GeglStats *gegl_stats (void)
   return stats;
 }
 
+void gegl_reset_stats (void)
+{
+  gegl_stats_reset (gegl_stats ());
+}
+
 static void swap_clean (void)
 {
   const gchar  *swap_dir = gegl_swap_dir ();
diff --git a/gegl/gegl-init.h b/gegl/gegl-init.h
index 38cb913..4022e60 100644
--- a/gegl/gegl-init.h
+++ b/gegl/gegl-init.h
@@ -104,6 +104,14 @@ GeglConfig   *gegl_config                (void);
  */
 GeglStats    *gegl_stats                 (void);
 
+/**
+ * gegl_reset_stats:
+ *
+ * Resets the cumulative data gathered by the #GeglStats object returned
+ * by #gegl_stats().
+ */
+void          gegl_reset_stats           (void);
+
 gboolean gegl_is_main_thread (void);
 
 G_END_DECLS
diff --git a/gegl/gegl-stats.c b/gegl/gegl-stats.c
index a986cd6..0afc5d2 100644
--- a/gegl/gegl-stats.c
+++ b/gegl/gegl-stats.c
@@ -184,3 +184,9 @@ gegl_stats_get_property (GObject    *object,
         break;
     }
 }
+
+void
+gegl_stats_reset (GeglStats *stats)
+{
+  gegl_tile_handler_cache_reset_stats ();
+}
diff --git a/gegl/gegl-stats.h b/gegl/gegl-stats.h
index c521703..1705ed5 100644
--- a/gegl/gegl-stats.h
+++ b/gegl/gegl-stats.h
@@ -41,6 +41,8 @@ struct _GeglStatsClass
   GObjectClass  parent_class;
 };
 
+void   gegl_stats_reset (GeglStats *stats);
+
 G_END_DECLS
 
 #endif