[gnome-builder] makecache: add performance counters to makecache

[Christian Hergert <chergert src gnome org>]

commit aa8e80c3ee7f664752cfd73640a7455052f490d9
Author: Christian Hergert <christian hergert me>
Date:   Thu May 7 18:59:30 2015 -0700

    makecache: add performance counters to makecache
    
    Includes counters for cache hits and misses for accessing:
    
      file<->targets
      targets<->cflags

 libide/autotools/ide-makecache.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/libide/autotools/ide-makecache.c b/libide/autotools/ide-makecache.c
index eff150f..6e57dad 100644
--- a/libide/autotools/ide-makecache.c
+++ b/libide/autotools/ide-makecache.c
@@ -23,6 +23,8 @@
 #include "config.h"
 #endif
 
+#include "egg-counter.h"
+
 #include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -43,6 +45,11 @@
 #define FAKE_CC  "__LIBIDE_FAKE_CC__"
 #define FAKE_CXX "__LIBIDE_FAKE_CXX__"
 
+EGG_DEFINE_COUNTER (TargetHit, "Makecache", "Target Cache Hits", "Number of target cache hits")
+EGG_DEFINE_COUNTER (TargetMiss, "Makecache", "Target Cache Misses", "Number of target cache misses")
+EGG_DEFINE_COUNTER (FlagHit, "Makecache", "Flag Cache Hits", "Number of flag cache hits")
+EGG_DEFINE_COUNTER (FlagMiss, "Makecache", "Flag Cache Misses", "Number of flag cache misses")
+
 struct _IdeMakecache
 {
   IdeObject    parent_instance;
@@ -1303,6 +1310,7 @@ ide_makecache_get_file_targets_async (IdeMakecache        *self,
 
   if (neg_hit)
     {
+      EGG_COUNTER_INC (TargetHit);
       g_task_return_new_error (task,
                                G_IO_ERROR,
                                G_IO_ERROR_NOT_FOUND,
@@ -1314,10 +1322,13 @@ ide_makecache_get_file_targets_async (IdeMakecache        *self,
 
   if (ret)
     {
+      EGG_COUNTER_INC (TargetHit);
       g_task_return_pointer (task, g_ptr_array_ref (ret), (GDestroyNotify)g_ptr_array_unref);
       IDE_EXIT;
     }
 
+  EGG_COUNTER_INC (TargetMiss);
+
   ide_thread_pool_push_task (IDE_THREAD_POOL_COMPILER,
                              task,
                              ide_makecache_get_file_targets_worker);
@@ -1389,10 +1400,13 @@ ide_makecache__get_targets_cb (GObject      *object,
 
   if (argv)
     {
+      EGG_COUNTER_INC (FlagHit);
       g_task_return_pointer (task, argv, (GDestroyNotify)g_strfreev);
       IDE_EXIT;
     }
 
+  EGG_COUNTER_INC (FlagMiss);
+
   lookup = g_new0 (FileFlagsLookup, 1);
   lookup->targets = g_ptr_array_ref (targets);
   lookup->relative_path = g_strdup (relative_path);