On Thu, 10 Jul 2025 22:45:20 +0900 Masami Hiramatsu (Google) <mhira...@kernel.org> wrote:
> > And it doesn't free after allocation because it only does the > > allocation for events that will never be freed. For modules, it > > registers the allocated string so it will be freed on unload. > > What happen if the tracepoint in module has the __attribute__? > (or enum etc?) It adds the string to a linked list via add_str_to_module(). When the module is unloaded, it searches the link list "module_strings" for all the strings registered under that module and frees it. See trace_module_remove_events(). -- Steve
