Merge pull request #1862 from Gelbpunkt/release-debug

feat: Add profiling profile

Author: mkroening

Cargo.toml

@@ -217,3 +217,7 @@ x86_64 = { git = "https://github.com/rust-osdev/x86_64.git" }
 # FIXME: remove once merged: https://github.com/rcore-os/trapframe-rs/pull/16
 trapframe = { git = "https://github.com/hermit-os/trapframe-rs", branch = "global_asm" }
 safe-mmio = { git = "https://github.com/hermit-os/safe-mmio", branch = "be" }
+
+[profile.profiling]
+inherits = "release"
+debug = "line-tables-only"