From d93aa418071ba2bbf72de4003719d68650426c58 Mon Sep 17 00:00:00 2001
From: Zhengyin Qian <qianzy@google.com>
Date: Tue, 21 Jun 2016 14:05:44 -0700
Subject: ANRdaemon: move trace result from /sdcard to /data

Bug: 28765756
Change-Id: Ic9461bc66c8ba4df1455d8b75c4fb6b544d0cf27
---
 ANRdaemon/ANRdaemon.cpp          | 23 +++++++----------------
 ANRdaemon/ANRdaemon_get_trace.sh |  6 ++++--
 2 files changed, 11 insertions(+), 18 deletions(-)

diff --git a/ANRdaemon/ANRdaemon.cpp b/ANRdaemon/ANRdaemon.cpp
index 7b77a86c..d611bf62 100644
--- a/ANRdaemon/ANRdaemon.cpp
+++ b/ANRdaemon/ANRdaemon.cpp
@@ -67,6 +67,8 @@ static const int min_buffer_size = 16;
 static const int max_buffer_size = 2048;
 static const char *min_buffer_size_str = "16";
 static const char *max_buffer_size_str = "2048";
+static const int time_buf_size = 20;
+static const int path_buf_size = 60;
 
 typedef struct cpu_stat {
     unsigned long utime, ntime, stime, itime;
@@ -337,28 +339,17 @@ static void dump_trace()
     }
 
     /*
-     * Create /sdcard/ANRdaemon/ if it doesn't exist
-     */
-    struct stat st;
-    if (stat("/sdcard/ANRdaemon", &st) == -1) {
-        ALOGI("Creating /sdcard/ANRdaemon/");
-        int err = mkdir("/sdcard/ANRdaemon", 0700);
-        if (err != 0)
-            ALOGI("Creating /sdcard/ANRdaemon/ failed with %s", strerror(err));
-    }
-
-    /*
-     * Create a dump file "dump_of_anrdaemon.<current_time>" under /sdcard/ANRdaemon/
+     * Create a dump file "dump_of_anrdaemon.<current_time>" under /data/misc/anrd
      */
     time_t now = time(0);
     struct tm  tstruct;
-    char time_buf[80];
-    char path_buf[200];
+    char time_buf[time_buf_size];
+    char path_buf[path_buf_size];
     const char* header = " done\nTRACE:\n";
     ssize_t header_len = strlen(header);
     tstruct = *localtime(&now);
-    strftime(time_buf, sizeof(time_buf), "%Y-%m-%d.%X", &tstruct);
-    sprintf(path_buf, "/sdcard/ANRdaemon/dump_of_anrdaemon.%s", time_buf);
+    strftime(time_buf, time_buf_size, "%Y-%m-%d.%X", &tstruct);
+    snprintf(path_buf, path_buf_size, "/data/misc/anrd/dump_of_anrdaemon.%s", time_buf);
     int output_fd = creat(path_buf, S_IRWXU);
     if (output_fd == -1) {
         ALOGE("Failed to create %s. Dump aborted.", path_buf);
diff --git a/ANRdaemon/ANRdaemon_get_trace.sh b/ANRdaemon/ANRdaemon_get_trace.sh
index be4062c7..afe3120b 100755
--- a/ANRdaemon/ANRdaemon_get_trace.sh
+++ b/ANRdaemon/ANRdaemon_get_trace.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
-TRACE_DIR=/sdcard/ANRdaemon
+TRACE_DIR=/data/misc/anrd
+TRACE_FILE_PATTEN=dump_of_anrdaemon
 
 if [ $# -eq 1 ]; then
     DEVICE=$(echo "-s $1")
@@ -18,7 +19,8 @@ fi
 PID=$(echo "$PID" | awk '{ print $2 }')
 adb $DEVICE shell "kill -s SIGUSR1 $PID"
 
-TRACE_FILE=$(adb $DEVICE shell "ls $TRACE_DIR | tail -n1" | tr -d '\r')
+TRACE_FILE=$(adb $DEVICE shell "ls $TRACE_DIR \
+    grep $TRACE_FILE_PATTEN | tail -n1" | tr -d '\r')
 
 # Wiat the trace file generation to complete
 adb $DEVICE shell "lsof $PID" | grep $TRACE_FILE > /dev/null
-- 
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