出现如下错误：
DDMS files not found: xxx\hprof-conv.exe The connection to adb is down, and a severe error has occured Please ensure that adb is correctly located at 'D:\tools\android-sdk\platform-tools\adb.exe' and can be executed.
解决办法：
将android-sdk\tools目录下的hprof-conv.exe拷贝到sandroid-sdk\platform-tools目录下，重启eclipse即可