Cargo Features

[dependencies]
solana-bpf-loader-program = { version = "3.1.5", default-features = false, features = ["agave-unstable-api", "metrics", "shuttle-test", "svm-internal"] }
default = metrics

The metrics feature is set by default whenever solana-bpf-loader-program is added without default-features = false somewhere in the dependency tree.

agave-unstable-api
metrics default

Enables metrics of solana-program-runtime

shuttle-test

Enables shuttle-test of solana-program-runtime, solana-sbpf, and solana-svm-type-overrides

svm-internal

solana-bpf-loader-program has 5 features without comments.