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
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 @@
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);