Tag: gdb

Using pmap and gdb to find native memory leak

gdb java memory-leak-detector memory-leaks memory-management

I am debugging a native memory leak in java application. The rss is growing 1GB/day while heap showing no increase. On comparing the output of pmap over time, I see multiple anon blocks getting added either at the top of heap or between two native libraries. Can I say the memory increase between, say sssd_pac_plugin.so and librmi.so, is due to

Why does java app crash in gdb but runs normally in real life?

gdb java jogl opengl segmentation-fault

Attempting to run java app from gdb results in segfault, yet running app alone does not. This app is a .JAR which uses JOGL and a bit of memory-mapping to talk to the GPU. Stacktrace below hints at …