简单来说, 就是先preload上tcmalloc, 日常用用没啥问题, 当感觉出现问题时, gdb attach 上, 然后执行 call HeapProfilerStart("xxx") , 过一段时间, 再执行call HeapProfilerStop, 产出相应的profile文件, 然后detach出进程
以下为一些未整理的 link
https://gperftools.github.io/gperftools/heapprofile.html
https://linux.cn/article-9588-1.html
https://unix.stackexchange.com/questions/36450/how-can-i-find-a-memory-leak-of-a-running-process
https://*.com/questions/18455698/lightweight-memory-leak-debugging-on-linux
https://bugzilla.redhat.com/show_bug.cgi?id=921676
https://*.com/questions/2564752/examining-c-c-heap-memory-statistics-in-gdb
http://milianw.de/blog/heaptrack-a-heap-memory-profiler-for-linux
https://wizardforcel.gitbooks.io/100-gdb-tips/finish-and-return.html
https://en.wikibooks.org/wiki/Linux_Applications_Debugging_Techniques/Leaks
https://github.com/WuBingzheng/memleax