1 files changed, 87 insertions, 0 deletions
diff --git a/src/com/android/loganalysis/rule/InterruptRule.java b/src/com/android/loganalysis/rule/InterruptRule.java
new file mode 100644
index 0000000..ab8e678
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+++ b/src/com/android/loganalysis/rule/InterruptRule.java
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+/*
+ * Copyright (C) 2016 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.rule;
+
+import com.android.loganalysis.item.BugreportItem;
+import com.android.loganalysis.item.InterruptItem;
+import com.android.loganalysis.item.InterruptItem.InterruptInfoItem;
+import com.android.loganalysis.item.InterruptItem.InterruptCategory;
+
+import java.util.concurrent.TimeUnit;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+/**
+ * Rules definition for Interrupt rule
+ */
+public class InterruptRule extends AbstractPowerRule {
+
+    private static final String INTERRUPT_ANALYSIS = "INTERRUPT_ANALYSIS";
+    private static final long INTERRUPT_THRESHOLD_MS = 120000;
+
+    private List<InterruptInfoItem> mOffendingInterruptsList;
+
+    public InterruptRule (BugreportItem bugreportItem) {
+        super(bugreportItem);
+    }
+
+    @Override
+    public void applyRule() {
+        mOffendingInterruptsList = new ArrayList<InterruptInfoItem>();
+        InterruptItem interruptItem = getDetailedAnalysisItem().getInterruptItem();
+        if (interruptItem == null || getTimeOnBattery() < 0) {
+            return;
+        }
+        for (InterruptInfoItem interrupts : interruptItem.getInterrupts()) {
+            final long interruptsPerMs = getTimeOnBattery()/interrupts.getInterruptCount();
+            if (interruptsPerMs < INTERRUPT_THRESHOLD_MS) {
+                mOffendingInterruptsList.add(interrupts);
+            }
+        }
+    }
+
+    @Override
+    public JSONObject getAnalysis() {
+        JSONObject interruptAnalysis = new JSONObject();
+        StringBuilder analysis = new StringBuilder();
+        if (mOffendingInterruptsList == null || mOffendingInterruptsList.size() <= 0) {
+            analysis.append(String.format(
+                    "No interrupts woke up device more frequent than %d secs.",
+                    TimeUnit.MILLISECONDS.toSeconds(INTERRUPT_THRESHOLD_MS)));
+        } else {
+            for (InterruptInfoItem interrupts : mOffendingInterruptsList) {
+                if (interrupts.getCategory() != InterruptCategory.UNKNOWN_INTERRUPT) {
+                    analysis.append(String.format("Frequent interrupts from %s (%s). ",
+                            interrupts.getCategory(),
+                            interrupts.getName()));
+                } else {
+                    analysis.append(String.format("Frequent interrupts from %s. ",
+                            interrupts.getName()));
+                }
+            }
+        }
+        try {
+            interruptAnalysis.put(INTERRUPT_ANALYSIS, analysis.toString().trim());
+        } catch (JSONException e) {
+            // do nothing
+        }
+        return interruptAnalysis;
+    }
+}