mirror of
https://github.com/DragonOS-Community/DragonOS.git
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feat: support tracepoint-based ebpf programs (#1190)
* feat: support tracepoint-based ebpf programs Signed-off-by: Godones <chenlinfeng25@outlook.com> * remove licenses Signed-off-by: Godones <chenlinfeng25@outlook.com> * feat: Supplement tracepoint related files fix some warnings add docs for tracepoint Signed-off-by: Godones <chenlinfeng25@outlook.com> --------- Signed-off-by: Godones <chenlinfeng25@outlook.com> Co-authored-by: longjin <longjin@DragonOS.org>
This commit is contained in:
linfeng
GitHub
9
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9
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|
||||
"env_logger",
|
||||
"libc",
|
||||
"log",
|
||||
"mytrace-common",
|
||||
"mytrace-ebpf",
|
||||
"tokio",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "mytrace-common"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"aya",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "mytrace-ebpf"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"aya-ebpf",
|
||||
"aya-log-ebpf",
|
||||
"mytrace-common",
|
||||
"which",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num_enum"
|
||||
version = "0.7.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4e613fc340b2220f734a8595782c551f1250e969d87d3be1ae0579e8d4065179"
|
||||
dependencies = [
|
||||
"num_enum_derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num_enum_derive"
|
||||
version = "0.7.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "af1844ef2428cc3e1cb900be36181049ef3d3193c63e43026cfe202983b27a56"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "object"
|
||||
version = "0.36.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "62948e14d923ea95ea2c7c86c71013138b66525b86bdc08d2dcc262bdb497b87"
|
||||
dependencies = [
|
||||
"crc32fast",
|
||||
"hashbrown",
|
||||
"indexmap",
|
||||
"memchr",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "once_cell"
|
||||
version = "1.21.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
|
||||
|
||||
[[package]]
|
||||
name = "pin-project-lite"
|
||||
version = "0.2.16"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b"
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro-error"
|
||||
version = "1.0.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
|
||||
dependencies = [
|
||||
"proc-macro-error-attr",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"version_check",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro-error-attr"
|
||||
version = "1.0.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"version_check",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "1.0.95"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "02b3e5e68a3a1a02aad3ec490a98007cbc13c37cbe84a3cd7b8e406d76e7f778"
|
||||
dependencies = [
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "quote"
|
||||
version = "1.0.40"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1885c039570dc00dcb4ff087a89e185fd56bae234ddc7f056a945bf36467248d"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rustc-demangle"
|
||||
version = "0.1.24"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
|
||||
|
||||
[[package]]
|
||||
name = "rustix"
|
||||
version = "0.38.44"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fdb5bc1ae2baa591800df16c9ca78619bf65c0488b41b96ccec5d11220d8c154"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"errno",
|
||||
"libc",
|
||||
"linux-raw-sys",
|
||||
"windows-sys 0.59.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rustversion"
|
||||
version = "1.0.21"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8a0d197bd2c9dc6e53b84da9556a69ba4cdfab8619eb41a8bd1cc2027a0f6b1d"
|
||||
|
||||
[[package]]
|
||||
name = "ryu"
|
||||
version = "1.0.20"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
|
||||
|
||||
[[package]]
|
||||
name = "semver"
|
||||
version = "1.0.26"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "56e6fa9c48d24d85fb3de5ad847117517440f6beceb7798af16b4a87d616b8d0"
|
||||
dependencies = [
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde"
|
||||
version = "1.0.219"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
|
||||
dependencies = [
|
||||
"serde_derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde_derive"
|
||||
version = "1.0.219"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde_json"
|
||||
version = "1.0.140"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
|
||||
dependencies = [
|
||||
"itoa",
|
||||
"memchr",
|
||||
"ryu",
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "signal-hook-registry"
|
||||
version = "1.4.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9203b8055f63a2a00e2f593bb0510367fe707d7ff1e5c872de2f537b339e5410"
|
||||
dependencies = [
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "socket2"
|
||||
version = "0.5.10"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e22376abed350d73dd1cd119b57ffccad95b4e585a7cda43e286245ce23c0678"
|
||||
dependencies = [
|
||||
"libc",
|
||||
"windows-sys 0.52.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "2.0.101"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8ce2b7fc941b3a24138a0a7cf8e858bfc6a992e7978a068a5c760deb0ed43caf"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thiserror"
|
||||
version = "1.0.69"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
|
||||
dependencies = [
|
||||
"thiserror-impl 1.0.69",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thiserror"
|
||||
version = "2.0.12"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "567b8a2dae586314f7be2a752ec7474332959c6460e02bde30d702a66d488708"
|
||||
dependencies = [
|
||||
"thiserror-impl 2.0.12",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thiserror-impl"
|
||||
version = "1.0.69"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thiserror-impl"
|
||||
version = "2.0.12"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tokio"
|
||||
version = "1.45.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "75ef51a33ef1da925cea3e4eb122833cb377c61439ca401b770f54902b806779"
|
||||
dependencies = [
|
||||
"backtrace",
|
||||
"libc",
|
||||
"mio",
|
||||
"pin-project-lite",
|
||||
"signal-hook-registry",
|
||||
"socket2",
|
||||
"tokio-macros",
|
||||
"windows-sys 0.52.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tokio-macros"
|
||||
version = "2.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6e06d43f1345a3bcd39f6a56dbb7dcab2ba47e68e8ac134855e7e2bdbaf8cab8"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.11.0+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
||||
|
||||
[[package]]
|
||||
name = "which"
|
||||
version = "6.0.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b4ee928febd44d98f2f459a4a79bd4d928591333a494a10a868418ac1b39cf1f"
|
||||
dependencies = [
|
||||
"either",
|
||||
"home",
|
||||
"rustix",
|
||||
"winsafe",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.52.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
|
||||
dependencies = [
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.59.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
|
||||
dependencies = [
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm",
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_gnullvm",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
||||
|
||||
[[package]]
|
||||
name = "winsafe"
|
||||
version = "0.0.19"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d135d17ab770252ad95e9a872d365cf3090e3be864a34ab46f48555993efc904"
|
||||
33
user/apps/test_tracepoint/Cargo.toml
Normal file
33
user/apps/test_tracepoint/Cargo.toml
Normal file
@ -0,0 +1,33 @@
|
||||
[workspace]
|
||||
resolver = "2"
|
||||
members = [
|
||||
"mytrace",
|
||||
"mytrace-common",
|
||||
"mytrace-ebpf",
|
||||
]
|
||||
default-members = ["mytrace", "mytrace-common"]
|
||||
|
||||
[workspace.package]
|
||||
license = "MIT OR Apache-2.0"
|
||||
|
||||
[workspace.dependencies]
|
||||
aya = { version = "0.13.1", default-features = false }
|
||||
aya-build = { version = "0.1.2", default-features = false }
|
||||
aya-ebpf = { version = "0.1.1", default-features = false }
|
||||
aya-log = { version = "0.2.1", default-features = false }
|
||||
aya-log-ebpf = { version = "0.1.1", default-features = false }
|
||||
|
||||
anyhow = { version = "1", default-features = false }
|
||||
# `std` feature is currently required to build `clap`.
|
||||
#
|
||||
# See https://github.com/clap-rs/clap/blob/61f5ee5/clap_builder/src/lib.rs#L15.
|
||||
clap = { version = "4.5.20", default-features = false, features = ["std"] }
|
||||
env_logger = { version = "0.11.5", default-features = false }
|
||||
libc = { version = "0.2.159", default-features = false }
|
||||
log = { version = "0.4.22", default-features = false }
|
||||
tokio = { version = "1.40.0", default-features = false }
|
||||
which = { version = "6.0.0", default-features = false }
|
||||
|
||||
[profile.release.package.mytrace-ebpf]
|
||||
debug = 2
|
||||
codegen-units = 1
|
||||
57
user/apps/test_tracepoint/Makefile
Normal file
57
user/apps/test_tracepoint/Makefile
Normal file
@ -0,0 +1,57 @@
|
||||
TOOLCHAIN="+nightly-2024-11-05-x86_64-unknown-linux-gnu"
|
||||
RUSTFLAGS+=""
|
||||
|
||||
ifdef DADK_CURRENT_BUILD_DIR
|
||||
# 如果是在dadk中编译，那么安装到dadk的安装目录中
|
||||
INSTALL_DIR = $(DADK_CURRENT_BUILD_DIR)
|
||||
else
|
||||
# 如果是在本地编译，那么安装到当前目录下的install目录中
|
||||
INSTALL_DIR = ./install
|
||||
endif
|
||||
|
||||
ifeq ($(ARCH), x86_64)
|
||||
export RUST_TARGET=x86_64-unknown-linux-musl
|
||||
else ifeq ($(ARCH), riscv64)
|
||||
export RUST_TARGET=riscv64gc-unknown-linux-gnu
|
||||
else
|
||||
# 默认为x86_86，用于本地编译
|
||||
export RUST_TARGET=x86_64-unknown-linux-musl
|
||||
endif
|
||||
|
||||
run:
|
||||
RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) run --target $(RUST_TARGET)
|
||||
|
||||
build:
|
||||
RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) build --target $(RUST_TARGET)
|
||||
|
||||
clean:
|
||||
RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) clean --target $(RUST_TARGET)
|
||||
|
||||
test:
|
||||
RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) test --target $(RUST_TARGET)
|
||||
|
||||
doc:
|
||||
RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) doc --target $(RUST_TARGET)
|
||||
|
||||
fmt:
|
||||
RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) fmt
|
||||
|
||||
fmt-check:
|
||||
RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) fmt --check
|
||||
|
||||
run-release:
|
||||
RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) run --target $(RUST_TARGET) --release
|
||||
|
||||
build-release:
|
||||
RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) build --target $(RUST_TARGET) --release
|
||||
|
||||
clean-release:
|
||||
RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) clean --target $(RUST_TARGET) --release
|
||||
|
||||
test-release:
|
||||
RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) test --target $(RUST_TARGET) --release
|
||||
|
||||
|
||||
.PHONY: install
|
||||
install:
|
||||
RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) install --target $(RUST_TARGET) --path ./mytrace --no-track --root $(INSTALL_DIR) --force
|
||||
57
user/apps/test_tracepoint/README.md
Normal file
57
user/apps/test_tracepoint/README.md
Normal file
@ -0,0 +1,57 @@
|
||||
# mytrace
|
||||
|
||||
## Prerequisites
|
||||
|
||||
1. stable rust toolchains: `rustup toolchain install stable`
|
||||
1. nightly rust toolchains: `rustup toolchain install nightly --component rust-src`
|
||||
1. (if cross-compiling) rustup target: `rustup target add ${ARCH}-unknown-linux-musl`
|
||||
1. (if cross-compiling) LLVM: (e.g.) `brew install llvm` (on macOS)
|
||||
1. (if cross-compiling) C toolchain: (e.g.) [`brew install filosottile/musl-cross/musl-cross`](https://github.com/FiloSottile/homebrew-musl-cross) (on macOS)
|
||||
1. bpf-linker: `cargo install bpf-linker` (`--no-default-features` on macOS)
|
||||
|
||||
## Build & Run
|
||||
|
||||
Use `cargo build`, `cargo check`, etc. as normal. Run your program with:
|
||||
|
||||
```shell
|
||||
cargo run --release --config 'target."cfg(all())".runner="sudo -E"'
|
||||
```
|
||||
|
||||
Cargo build scripts are used to automatically build the eBPF correctly and include it in the
|
||||
program.
|
||||
|
||||
## Cross-compiling on macOS
|
||||
|
||||
Cross compilation should work on both Intel and Apple Silicon Macs.
|
||||
|
||||
```shell
|
||||
CC=${ARCH}-linux-musl-gcc cargo build --package mytrace --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/mytrace` can be
|
||||
copied to a Linux server or VM and run there.
|
||||
|
||||
## License
|
||||
|
||||
With the exception of eBPF code, mytrace is distributed under the terms
|
||||
of either the [MIT license] or the [Apache License] (version 2.0), at your
|
||||
option.
|
||||
|
||||
Unless you explicitly state otherwise, any contribution intentionally submitted
|
||||
for inclusion in this crate by you, as defined in the Apache-2.0 license, shall
|
||||
be dual licensed as above, without any additional terms or conditions.
|
||||
|
||||
### eBPF
|
||||
|
||||
All eBPF code is distributed under either the terms of the
|
||||
[GNU General Public License, Version 2] or the [MIT license], at your
|
||||
option.
|
||||
|
||||
Unless you explicitly state otherwise, any contribution intentionally submitted
|
||||
for inclusion in this project by you, as defined in the GPL-2 license, shall be
|
||||
dual licensed as above, without any additional terms or conditions.
|
||||
|
||||
[Apache license]: LICENSE-APACHE
|
||||
[MIT license]: LICENSE-MIT
|
||||
[GNU General Public License, Version 2]: LICENSE-GPL2
|
||||
16
user/apps/test_tracepoint/mytrace-common/Cargo.toml
Normal file
16
user/apps/test_tracepoint/mytrace-common/Cargo.toml
Normal file
@ -0,0 +1,16 @@
|
||||
[package]
|
||||
name = "mytrace-common"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
license.workspace = true
|
||||
|
||||
[features]
|
||||
default = []
|
||||
user = ["aya"]
|
||||
|
||||
[dependencies]
|
||||
aya = { workspace = true, optional = true }
|
||||
|
||||
[lib]
|
||||
path = "src/lib.rs"
|
||||
1
user/apps/test_tracepoint/mytrace-common/src/lib.rs
Normal file
1
user/apps/test_tracepoint/mytrace-common/src/lib.rs
Normal file
@ -0,0 +1 @@
|
||||
#![no_std]
|
||||
17
user/apps/test_tracepoint/mytrace-ebpf/Cargo.toml
Normal file
17
user/apps/test_tracepoint/mytrace-ebpf/Cargo.toml
Normal file
@ -0,0 +1,17 @@
|
||||
[package]
|
||||
name = "mytrace-ebpf"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
[dependencies]
|
||||
mytrace-common = { path = "../mytrace-common" }
|
||||
|
||||
aya-ebpf = { workspace = true }
|
||||
aya-log-ebpf = { workspace = true }
|
||||
|
||||
[build-dependencies]
|
||||
which = { workspace = true }
|
||||
|
||||
[[bin]]
|
||||
name = "mytrace"
|
||||
path = "src/main.rs"
|
||||
17
user/apps/test_tracepoint/mytrace-ebpf/build.rs
Normal file
17
user/apps/test_tracepoint/mytrace-ebpf/build.rs
Normal file
@ -0,0 +1,17 @@
|
||||
use which::which;
|
||||
|
||||
/// Building this crate has an undeclared dependency on the `bpf-linker` binary. This would be
|
||||
/// better expressed by [artifact-dependencies][bindeps] but issues such as
|
||||
/// https://github.com/rust-lang/cargo/issues/12385 make their use impractical for the time being.
|
||||
///
|
||||
/// This file implements an imperfect solution: it causes cargo to rebuild the crate whenever the
|
||||
/// mtime of `which bpf-linker` changes. Note that possibility that a new bpf-linker is added to
|
||||
/// $PATH ahead of the one used as the cache key still exists. Solving this in the general case
|
||||
/// would require rebuild-if-changed-env=PATH *and* rebuild-if-changed={every-directory-in-PATH}
|
||||
/// which would likely mean far too much cache invalidation.
|
||||
///
|
||||
/// [bindeps]: https://doc.rust-lang.org/nightly/cargo/reference/unstable.html?highlight=feature#artifact-dependencies
|
||||
fn main() {
|
||||
let bpf_linker = which("bpf-linker").unwrap();
|
||||
println!("cargo:rerun-if-changed={}", bpf_linker.to_str().unwrap());
|
||||
}
|
||||
3
user/apps/test_tracepoint/mytrace-ebpf/src/lib.rs
Normal file
3
user/apps/test_tracepoint/mytrace-ebpf/src/lib.rs
Normal file
@ -0,0 +1,3 @@
|
||||
#![no_std]
|
||||
|
||||
// This file exists to enable the library target.
|
||||
119
user/apps/test_tracepoint/mytrace-ebpf/src/main.rs
Normal file
119
user/apps/test_tracepoint/mytrace-ebpf/src/main.rs
Normal file
@ -0,0 +1,119 @@
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
|
||||
use aya_ebpf::{
|
||||
helpers::bpf_probe_read_user_str_bytes,
|
||||
macros::{map, tracepoint},
|
||||
maps::PerCpuArray,
|
||||
programs::TracePointContext,
|
||||
};
|
||||
use aya_log_ebpf::info;
|
||||
|
||||
const MAX_PATH: usize = 4096;
|
||||
|
||||
#[repr(C)]
|
||||
pub struct Buf {
|
||||
pub buf: [u8; MAX_PATH],
|
||||
}
|
||||
|
||||
#[map]
|
||||
pub static mut BUF: PerCpuArray<Buf> = PerCpuArray::with_max_entries(1, 0); //
|
||||
|
||||
#[tracepoint]
|
||||
pub fn mytrace(ctx: TracePointContext) -> u32 {
|
||||
match try_mytrace(ctx) {
|
||||
Ok(ret) => ret,
|
||||
Err(ret) => ret,
|
||||
}
|
||||
}
|
||||
|
||||
fn try_mytrace(ctx: TracePointContext) -> Result<u32, u32> {
|
||||
// info!(&ctx, "tracepoint sys_enter_openat called");
|
||||
match try_aya_tracepoint_echo_open(&ctx) {
|
||||
Ok(_) => Ok(0),
|
||||
Err(e) => {
|
||||
info!(&ctx, "tracepoint sys_enter_openat called, error: {}", e);
|
||||
Err(e as u32)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn try_aya_tracepoint_echo_open(ctx: &TracePointContext) -> Result<u32, i64> {
|
||||
// Load the pointer to the filename. The offset value can be found running:
|
||||
// sudo cat /sys/kernel/debug/tracing/events/syscalls/sys_enter_open/format
|
||||
const FILENAME_OFFSET: usize = 12;
|
||||
|
||||
if let Ok(filename_addr) = unsafe { ctx.read_at::<u64>(FILENAME_OFFSET) } {
|
||||
// get the map-backed buffer that we're going to use as storage for the filename
|
||||
let buf = unsafe {
|
||||
let ptr = BUF.get_ptr_mut(0).ok_or(0)?; //
|
||||
|
||||
&mut *ptr
|
||||
};
|
||||
|
||||
// read the filename
|
||||
let filename = unsafe {
|
||||
core::str::from_utf8_unchecked(bpf_probe_read_user_str_bytes(
|
||||
filename_addr as *const u8,
|
||||
&mut buf.buf,
|
||||
)?)
|
||||
};
|
||||
|
||||
if filename.len() < MAX_PATH {
|
||||
// log the filename
|
||||
info!(
|
||||
ctx,
|
||||
"Kernel tracepoint sys_enter_openat called, filename :{}", filename
|
||||
);
|
||||
}
|
||||
}
|
||||
Ok(0)
|
||||
}
|
||||
|
||||
// This function assumes that the maximum length of a file's path can be of 16 bytes. This is meant
|
||||
// to be read as an example, only. Refer to the accompanying `tracepoints.md` for its inclusion in the
|
||||
// code.
|
||||
fn try_aya_tracepoint_echo_open_small_file_path(ctx: &TracePointContext) -> Result<u32, i64> {
|
||||
const MAX_SMALL_PATH: usize = 16;
|
||||
let mut buf: [u8; MAX_SMALL_PATH] = [0; MAX_SMALL_PATH];
|
||||
|
||||
// Load the pointer to the filename. The offset value can be found running:
|
||||
// sudo cat /sys/kernel/debug/tracing/events/syscalls/sys_enter_open/format
|
||||
const FILENAME_OFFSET: usize = 12;
|
||||
if let Ok(filename_addr) = unsafe { ctx.read_at::<u64>(FILENAME_OFFSET) } {
|
||||
// read the filename
|
||||
let filename = unsafe {
|
||||
// Get an UTF-8 String from an array of bytes
|
||||
core::str::from_utf8_unchecked(
|
||||
// Use the address of the kernel's string //
|
||||
|
||||
// to copy its contents into the array named 'buf'
|
||||
match bpf_probe_read_user_str_bytes(filename_addr as *const u8, &mut buf) {
|
||||
Ok(_) => &buf,
|
||||
Err(e) => {
|
||||
info!(
|
||||
ctx,
|
||||
"tracepoint sys_enter_openat called buf_probe failed {}", e
|
||||
);
|
||||
return Err(e);
|
||||
}
|
||||
},
|
||||
)
|
||||
};
|
||||
info!(
|
||||
ctx,
|
||||
"tracepoint sys_enter_openat called, filename {}", filename
|
||||
);
|
||||
}
|
||||
Ok(0)
|
||||
}
|
||||
|
||||
#[cfg(not(test))]
|
||||
#[panic_handler]
|
||||
fn panic(_info: &core::panic::PanicInfo) -> ! {
|
||||
loop {}
|
||||
}
|
||||
|
||||
#[link_section = "license"]
|
||||
#[no_mangle]
|
||||
static LICENSE: [u8; 13] = *b"Dual MIT/GPL\0";
|
||||
44
user/apps/test_tracepoint/mytrace/Cargo.toml
Normal file
44
user/apps/test_tracepoint/mytrace/Cargo.toml
Normal file
@ -0,0 +1,44 @@
|
||||
[package]
|
||||
name = "mytrace"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
license.workspace = true
|
||||
|
||||
[dependencies]
|
||||
mytrace-common = { path = "../mytrace-common", features = ["user"] }
|
||||
|
||||
anyhow = { workspace = true, default-features = true }
|
||||
aya = { workspace = true }
|
||||
aya-log = { workspace = true }
|
||||
env_logger = { workspace = true }
|
||||
libc = { workspace = true }
|
||||
log = { workspace = true }
|
||||
tokio = { workspace = true, features = [
|
||||
"macros",
|
||||
"rt",
|
||||
"rt-multi-thread",
|
||||
"net",
|
||||
"signal",
|
||||
"time"
|
||||
] }
|
||||
[build-dependencies]
|
||||
anyhow = { workspace = true }
|
||||
aya-build = { workspace = true }
|
||||
# TODO(https://github.com/rust-lang/cargo/issues/12375): this should be an artifact dependency, but
|
||||
# it's not possible to tell cargo to use `-Z build-std` to build it. We cargo-in-cargo in the build
|
||||
# script to build this, but we want to teach cargo about the dependecy so that cache invalidation
|
||||
# works properly.
|
||||
#
|
||||
# Note also that https://github.com/rust-lang/cargo/issues/10593 occurs when `target = ...` is added
|
||||
# to an artifact dependency; it seems possible to work around that by setting `resolver = "1"` in
|
||||
# Cargo.toml in the workspace root.
|
||||
#
|
||||
# Finally note that *any* usage of `artifact = ...` in *any* Cargo.toml in the workspace breaks
|
||||
# workflows with stable cargo; stable cargo outright refuses to load manifests that use unstable
|
||||
# features.
|
||||
mytrace-ebpf = { path = "../mytrace-ebpf" }
|
||||
|
||||
[[bin]]
|
||||
name = "mytrace"
|
||||
path = "src/main.rs"
|
||||
14
user/apps/test_tracepoint/mytrace/build.rs
Normal file
14
user/apps/test_tracepoint/mytrace/build.rs
Normal file
@ -0,0 +1,14 @@
|
||||
use anyhow::{anyhow, Context as _};
|
||||
use aya_build::cargo_metadata;
|
||||
|
||||
fn main() -> anyhow::Result<()> {
|
||||
let cargo_metadata::Metadata { packages, .. } = cargo_metadata::MetadataCommand::new()
|
||||
.no_deps()
|
||||
.exec()
|
||||
.context("MetadataCommand::exec")?;
|
||||
let ebpf_package = packages
|
||||
.into_iter()
|
||||
.find(|cargo_metadata::Package { name, .. }| name == "mytrace-ebpf")
|
||||
.ok_or_else(|| anyhow!("mytrace-ebpf package not found"))?;
|
||||
aya_build::build_ebpf([ebpf_package])
|
||||
}
|
||||
62
user/apps/test_tracepoint/mytrace/src/main.rs
Normal file
62
user/apps/test_tracepoint/mytrace/src/main.rs
Normal file
@ -0,0 +1,62 @@
|
||||
use aya::programs::TracePoint;
|
||||
#[rustfmt::skip]
|
||||
use log::{debug, warn};
|
||||
use tokio::{signal, task::yield_now, time};
|
||||
#[tokio::main(flavor = "current_thread")]
|
||||
async fn main() -> anyhow::Result<()> {
|
||||
// env_logger::init();
|
||||
|
||||
env_logger::builder()
|
||||
.filter_level(log::LevelFilter::Info)
|
||||
.format_timestamp(None)
|
||||
.init();
|
||||
// Bump the memlock rlimit. This is needed for older kernels that don't use the
|
||||
// new memcg based accounting, see https://lwn.net/Articles/837122/
|
||||
let rlim = libc::rlimit {
|
||||
rlim_cur: libc::RLIM_INFINITY,
|
||||
rlim_max: libc::RLIM_INFINITY,
|
||||
};
|
||||
let ret = unsafe { libc::setrlimit(libc::RLIMIT_MEMLOCK, &rlim) };
|
||||
if ret != 0 {
|
||||
debug!("remove limit on locked memory failed, ret is: {ret}");
|
||||
}
|
||||
|
||||
// This will include your eBPF object file as raw bytes at compile-time and load it at
|
||||
// runtime. This approach is recommended for most real-world use cases. If you would
|
||||
// like to specify the eBPF program at runtime rather than at compile-time, you can
|
||||
// reach for `Bpf::load_file` instead.
|
||||
let mut ebpf = aya::Ebpf::load(aya::include_bytes_aligned!(concat!(
|
||||
env!("OUT_DIR"),
|
||||
"/mytrace"
|
||||
)))?;
|
||||
if let Err(e) = aya_log::EbpfLogger::init(&mut ebpf) {
|
||||
// This can happen if you remove all log statements from your eBPF program.
|
||||
warn!("failed to initialize eBPF logger: {e}");
|
||||
}
|
||||
let program: &mut TracePoint = ebpf.program_mut("mytrace").unwrap().try_into()?;
|
||||
program.load()?;
|
||||
program.attach("syscalls", "sys_enter_openat")?;
|
||||
|
||||
tokio::spawn(async move {
|
||||
let mut now = time::Instant::now();
|
||||
loop {
|
||||
let new_now = time::Instant::now();
|
||||
let duration = new_now.duration_since(now);
|
||||
if duration.as_secs() >= 2 {
|
||||
// open a file to trigger the tracepoint
|
||||
log::info!("Triggering tracepoint by opening /bin");
|
||||
let bin = std::fs::File::open("/bin").unwrap();
|
||||
drop(bin);
|
||||
now = new_now;
|
||||
}
|
||||
yield_now().await;
|
||||
}
|
||||
});
|
||||
|
||||
let ctrl_c = signal::ctrl_c();
|
||||
println!("Waiting for Ctrl-C...");
|
||||
ctrl_c.await?;
|
||||
println!("Exiting...");
|
||||
|
||||
Ok(())
|
||||
}
|
||||
4
user/apps/test_tracepoint/rustfmt.toml
Normal file
4
user/apps/test_tracepoint/rustfmt.toml
Normal file
@ -0,0 +1,4 @@
|
||||
group_imports = "StdExternalCrate"
|
||||
imports_granularity = "Crate"
|
||||
reorder_imports = true
|
||||
unstable_features = true
|
||||
37
user/dadk/config/test_tracepoint.toml
Normal file
37
user/dadk/config/test_tracepoint.toml
Normal file
@ -0,0 +1,37 @@
|
||||
# 用户程序名称
|
||||
name = "test_ebpf_tp"
|
||||
# 版本号
|
||||
version = "0.1.0"
|
||||
# 用户程序描述信息
|
||||
description = "to test eBPF"
|
||||
# （可选）默认: false 是否只构建一次，如果为true，DADK会在构建成功后，将构建结果缓存起来，下次构建时，直接使用缓存的构建结果
|
||||
build-once = false
|
||||
# (可选) 默认: false 是否只安装一次，如果为true，DADK会在安装成功后，不再重复安装
|
||||
install-once = false
|
||||
# 目标架构
|
||||
# 可选值："x86_64", "aarch64", "riscv64"
|
||||
target-arch = ["x86_64"]
|
||||
# 任务源
|
||||
[task-source]
|
||||
# 构建类型
|
||||
# 可选值："build-from_source", "install-from-prebuilt"
|
||||
type = "build-from-source"
|
||||
# 构建来源
|
||||
# "build_from_source" 可选值："git", "local", "archive"
|
||||
# "install_from_prebuilt" 可选值："local", "archive"
|
||||
source = "local"
|
||||
# 路径或URL
|
||||
source-path = "user/apps/test_tracepoint"
|
||||
# 构建相关信息
|
||||
[build]
|
||||
# （可选）构建命令
|
||||
build-command = "make install"
|
||||
# 安装相关信息
|
||||
[install]
|
||||
# （可选）安装到DragonOS的路径
|
||||
in-dragonos-path = "/"
|
||||
# 清除相关信息
|
||||
[clean]
|
||||
# （可选）清除命令
|
||||
clean-command = "make clean"
|
||||
|
||||
Reference in New Issue
Block a user