1 files changed, 87 insertions, 0 deletions
diff --git a/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/ProfilingUtils.java b/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/ProfilingUtils.java
new file mode 100644
index 000000000..4660a3500
--- /dev/null
+++ b/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/ProfilingUtils.java
@@ -0,0 +1,87 @@
+package org.wordpress.android.util;
+
+import android.os.SystemClock;
+
+import org.wordpress.android.util.AppLog.T;
+
+import java.util.ArrayList;
+
+/**
+ * forked from android.util.TimingLogger to use AppLog instead of Log + new static interface.
+ */
+public class ProfilingUtils {
+    private static ProfilingUtils sInstance;
+
+    private String mLabel;
+    private ArrayList<Long> mSplits;
+    private ArrayList<String> mSplitLabels;
+
+    public static void start(String label) {
+        getInstance().reset(label);
+    }
+
+    public static void split(String splitLabel) {
+        getInstance().addSplit(splitLabel);
+    }
+
+    public static void dump() {
+        getInstance().dumpToLog();
+    }
+
+    public static void stop() {
+        getInstance().reset(null);
+    }
+
+    private static ProfilingUtils getInstance() {
+        if (sInstance == null) {
+            sInstance = new ProfilingUtils();
+        }
+        return sInstance;
+    }
+
+    public ProfilingUtils() {
+        reset("init");
+    }
+
+    public void reset(String label) {
+        mLabel = label;
+        reset();
+    }
+
+    public void reset() {
+        if (mSplits == null) {
+            mSplits = new ArrayList<Long>();
+            mSplitLabels = new ArrayList<String>();
+        } else {
+            mSplits.clear();
+            mSplitLabels.clear();
+        }
+        addSplit(null);
+    }
+
+    public void addSplit(String splitLabel) {
+        if (mLabel == null) {
+            return;
+        }
+        long now = SystemClock.elapsedRealtime();
+        mSplits.add(now);
+        mSplitLabels.add(splitLabel);
+    }
+
+    public void dumpToLog() {
+        if (mLabel == null) {
+            return;
+        }
+        AppLog.d(T.PROFILING, mLabel + ": begin");
+        final long first = mSplits.get(0);
+        long now = first;
+        for (int i = 1; i < mSplits.size(); i++) {
+            now = mSplits.get(i);
+            final String splitLabel = mSplitLabels.get(i);
+            final long prev = mSplits.get(i - 1);
+            AppLog.d(T.PROFILING, mLabel + ":      " + (now - prev) + " ms, " + splitLabel);
+        }
+        AppLog.d(T.PROFILING, mLabel + ": end, " + (now - first) + " ms");
+    }
+}
+