Add sample profiling option to am.

Also bundles all profiling options into a class.

Bug: 17040932
Change-Id: I85d675ee1494bdc7308caffdf94145d27c996e9d

1 files changed, 86 insertions, 0 deletions

diff --git a/core/java/android/app/ProfilerInfo.java b/core/java/android/app/ProfilerInfo.java
new file mode 100644
index 0000000..cea7c3c
--- /dev/null
+++ b/core/java/android/app/ProfilerInfo.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.os.ParcelFileDescriptor;
+
+/**
+ * System private API for passing profiler settings.
+ *
+ * {@hide}
+ */
+public class ProfilerInfo implements Parcelable {
+
+    /* Name of profile output file. */
+    public final String profileFile;
+
+    /* File descriptor for profile output file, can be null. */
+    public ParcelFileDescriptor profileFd;
+
+    /* Indicates sample profiling when nonzero, interval in microseconds. */
+    public final int samplingInterval;
+
+    /* Automatically stop the profiler when the app goes idle. */
+    public final boolean autoStopProfiler;
+
+    public ProfilerInfo(String filename, ParcelFileDescriptor fd, int interval, boolean autoStop) {
+        profileFile = filename;
+        profileFd = fd;
+        samplingInterval = interval;
+        autoStopProfiler = autoStop;
+    }
+
+    public int describeContents() {
+        if (profileFd != null) {
+            return profileFd.describeContents();
+        } else {
+            return 0;
+        }
+    }
+
+    public void writeToParcel(Parcel out, int flags) {
+        out.writeString(profileFile);
+        if (profileFd != null) {
+            out.writeInt(1);
+            profileFd.writeToParcel(out, flags);
+        } else {
+            out.writeInt(0);
+        }
+        out.writeInt(samplingInterval);
+        out.writeInt(autoStopProfiler ? 1 : 0);
+    }
+
+    public static final Parcelable.Creator<ProfilerInfo> CREATOR =
+            new Parcelable.Creator<ProfilerInfo>() {
+        public ProfilerInfo createFromParcel(Parcel in) {
+            return new ProfilerInfo(in);
+        }
+
+        public ProfilerInfo[] newArray(int size) {
+            return new ProfilerInfo[size];
+        }
+    };
+
+    private ProfilerInfo(Parcel in) {
+        profileFile = in.readString();
+        profileFd = in.readInt() != 0 ? ParcelFileDescriptor.CREATOR.createFromParcel(in) : null;
+        samplingInterval = in.readInt();
+        autoStopProfiler = in.readInt() != 0;
+    }
+}