pub const ALLOCATOR_ENV: &str = "PPROF_ALLOC_ALLOCATOR";Expand description
Environment variable read by PprofAlloc to select the allocator backend.
Supported values are system/glibc, jemalloc, and mimalloc. The
selected allocator is read once on first allocator use and remains fixed for
the process. ALLOCATOR is also accepted as a compatibility fallback.