ANRdaemon: add README and a bash script to easily get trace.

Bug: 28989601
Change-Id: I5c9b819a6b05003e68d26bfacccf4c539ddab7ae

1 files changed, 39 insertions, 0 deletions

diff --git a/ANRdaemon/ANRdaemon_get_trace.sh b/ANRdaemon/ANRdaemon_get_trace.sh
new file mode 100755
index 00000000..be4062c7
--- /dev/null
+++ b/ANRdaemon/ANRdaemon_get_trace.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+TRACE_DIR=/sdcard/ANRdaemon
+
+if [ $# -eq 1 ]; then
+    DEVICE=$(echo "-s $1")
+else
+    DEVICE=""
+fi
+
+PID=$(adb $DEVICE shell "ps | grep anrd")
+
+if [ $? -ne 0 ]; then
+    echo "FAILED. ADB failed or Daemon is not running."
+    exit 1
+fi
+
+PID=$(echo "$PID" | awk '{ print $2 }')
+adb $DEVICE shell "kill -s SIGUSR1 $PID"
+
+TRACE_FILE=$(adb $DEVICE shell "ls $TRACE_DIR | tail -n1" | tr -d '\r')
+
+# Wiat the trace file generation to complete
+adb $DEVICE shell "lsof $PID" | grep $TRACE_FILE > /dev/null
+while [ $? -eq 0 ];
+do
+    sleep 1
+    adb $DEVICE shell "lsof $PID" | grep "$TRACE_FILE" > /dev/null
+done
+
+if [ -z "$TRACE_FILE" ]; then
+    echo "FAILED. Trace file not created"
+fi
+
+adb $DEVICE pull "${TRACE_DIR}/${TRACE_FILE}" ${TRACE_FILE}
+
+CURRENT_DIR=$(pwd)
+echo SUCCEED!
+echo Trace stored at ${CURRENT_DIR}/${TRACE_FILE}