Branch: https://github.com/JaySon-Huang/tics/tree/add_mem_prof

Start a TiFlash compiled with -DENABLE_JEMALLOC_PROF=1, and start tiflash with env export MALLOC_CONF="prof:true,prof_active:true,lg_prof_interval:33", TiFlash get stuck occasionally. The stacks are as below:
stuck-stacks-log.tar.gz