tool,leaktracer : implement to specify start rss for monitoring
tool,leaktracer : implement to specify start rss for monitoring

-> start to check rss at start-time
-> start to check leak at start-time
-> start to write leaks.out at rss 1000kb
$ ./mon.sh 1000

-> start to check rss at start-time
-> start to check leak at rss 100kb
-> start to write leaks.out at rss 1000kb
$ ./mon.sh 1000 100

iamyooon/study_linux,iamyooon/study_linux,iamyooon/study_linux,iamyooon/study_linux