1 files changed, 54 insertions, 0 deletions
diff --git a/src/com/android/loganalysis/parser/CpuInfoParser.java b/src/com/android/loganalysis/parser/CpuInfoParser.java
new file mode 100644
index 0000000..e6769c4
--- /dev/null
+++ b/src/com/android/loganalysis/parser/CpuInfoParser.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2015 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 com.android.loganalysis.parser;
+
+import com.android.loganalysis.item.CpuInfoItem;
+
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * A {@link IParser} to handle the output of {@code cpuinfo}.
+ */
+public class CpuInfoParser implements IParser {
+
+    // Example:
+    //  0.1% 170/surfaceflinger: 0% user + 0% kernel
+    private static final Pattern USAGE_PREFIX = Pattern.compile(
+            "^ *\\+?(\\d+\\.?\\d*)\\% (\\d+)/([^ ]+): ");
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public CpuInfoItem parse(List<String> lines) {
+        CpuInfoItem item = new CpuInfoItem();
+        for (String line : lines) {
+            Matcher m = USAGE_PREFIX.matcher(line);
+            if (!m.lookingAt()) continue;
+
+            if (m.groupCount() != 3) continue;
+
+            int pid = Integer.parseInt(m.group(2));
+            double percent = Double.parseDouble(m.group(1));
+            String name = m.group(3);
+            item.addRow(pid, percent, name);
+        }
+
+        return item;
+    }
+}