- stable rust toolchains:
rustup toolchain install stable
- nightly rust toolchains:
rustup toolchain install nightly --component rust-src
- (if cross-compiling) rustup target:
rustup target add ${ARCH}-unknown-linux-musl
- (if cross-compiling) LLVM: (e.g.)
brew install llvm
(on macOS) - (if cross-compiling) C toolchain: (e.g.)
brew install filosottile/musl-cross/musl-cross
(on macOS) - bpf-linker:
cargo install bpf-linker
(--no-default-features
on macOS)
$ AYA_BUILD_EBPF=true cargo build --release
or
$ make
Cross compilation should work on both Intel and Apple Silicon Macs.
CC=${ARCH}-linux-musl-gcc cargo build --package c-memleak --release \
--target=${ARCH}-unknown-linux-musl \
--config=target.${ARCH}-unknown-linux-musl.linker=\"${ARCH}-linux-musl-gcc\"
The cross-compiled program target/${ARCH}-unknown-linux-musl/release/c-memleak
can be
copied to a Linux server or VM and run there.
Usage: c-memleak [OPTIONS] --pid <PID>
Options:
-p, --pid <PID> pid of the process
-t, --timeout <TIMEOUT> timeout in seconds [default: 30]
-o, --output <OUTPUT> output file [default: /tmp/memleak.out]
-v, --verbose verbose mode
-h, --help Print help
-V, --version Print version
# ./target/release/c-memleak --pid 20088
The Target redis-server
build with MALLOC=libc, generating flame graphs:
# ./FlameGraph/flamegraph.pl /tmp/memleak.out > /tmp/1.svg
Flame graph:
https://github.com/iovisor/bcc/blob/master/libbpf-tools/memleak.bpf.c