Tweaked profile significant_difference.

- renamed to 'change_thr'
- now it represents how much the top K leading samples need to change
(in percents) in order to trigger compilation.
- extracted ProfileData & file parsing in profiler.h

Bug: 12877748
Change-Id: I10f66120dd5e68b8a690bfa0e9914c07f63c50d5

1 files changed, 1 insertions, 34 deletions

diff --git a/compiler/driver/compiler_driver.h b/compiler/driver/compiler_driver.h
index 802f859..d49523a 100644
--- a/compiler/driver/compiler_driver.h
+++ b/compiler/driver/compiler_driver.h
@@ -32,6 +32,7 @@
 #include "invoke_type.h"
 #include "method_reference.h"
 #include "os.h"
+#include "profiler.h"
 #include "runtime.h"
 #include "safe_map.h"
 #include "thread_pool.h"
@@ -594,43 +595,9 @@ class CompilerDriver {
     return cfi_info_.get();
   }
 
-  // Profile data.  This is generated from previous runs of the program and stored
-  // in a file.  It is used to determine whether to compile a particular method or not.
-  class ProfileData {
-   public:
-    ProfileData() : count_(0), method_size_(0), usedPercent_(0) {}
-    ProfileData(const std::string& method_name, uint32_t count, uint32_t method_size,
-      double usedPercent, double topKUsedPercentage) :
-      method_name_(method_name), count_(count), method_size_(method_size),
-      usedPercent_(usedPercent), topKUsedPercentage_(topKUsedPercentage) {
-      // TODO: currently method_size_ and count_ are unused.
-      UNUSED(method_size_);
-      UNUSED(count_);
-    }
-
-    bool IsAbove(double v) const { return usedPercent_ >= v; }
-    double GetUsedPercent() const { return usedPercent_; }
-    uint32_t GetCount() const { return count_; }
-    double GetTopKUsedPercentage() const { return topKUsedPercentage_; }
-
-   private:
-    std::string method_name_;    // Method name.
-    uint32_t count_;             // Number of times it has been called.
-    uint32_t method_size_;       // Size of the method on dex instructions.
-    double usedPercent_;         // Percentage of how many times this method was called.
-    double topKUsedPercentage_;  // The percentage of the group that comprise K% of the total used
-                                 // methods this methods belongs to.
-  };
-
-  // Profile data is stored in a map, indexed by the full method name.
-  typedef std::map<const std::string, ProfileData> ProfileMap;
   ProfileMap profile_map_;
   bool profile_ok_;
 
-  // Read the profile data from the given file.  Calculates the percentage for each method.
-  // Returns false if there was no profile file or it was malformed.
-  bool ReadProfile(const std::string& filename);
-
   // Should the compiler run on this method given profile information?
   bool SkipCompilation(const std::string& method_name);