add perf kvm support

Signed-off-by: Ludvig Liljenberg <4257730+ludfjig@users.noreply.github.com>

Author: ludfjig

Cargo.lock

@@ -10,13 +10,17 @@ description = "cargo subcommand to build hyperlight guest binaries"
 
 [dependencies]
 anyhow = "1.0"
+clap = { version = "4", features = ["derive"] }
 console = "0.16"
 const_format = "0.2"
 glob = "0.3"
 libc = "0.2"
+object = { version = "0.36", default-features = false, features = ["read", "elf"] }
 os_str_bytes = "7.1.1"
 regex = "1.12"
+rustc-demangle = "0.1"
 semver = { version = "1.0", features = ["serde"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
+tempfile = "3"
 which = { version = "8", features = ["regex"] }

Cargo.toml

@@ -2,28 +2,36 @@ use std::env;
 
 use cargo_hyperlight::cargo;
 
+mod perf;
+
 const VERSION: &str = env!("CARGO_PKG_VERSION");
 const GIT_HASH: &str = env!("GIT_HASH");
 const GIT_DATE: &str = env!("GIT_DATE");
 
 fn main() {
-    if env::args().any(|arg| arg == "--version" || arg == "-V") {
-        println!("cargo-hyperlight {} ({} {})", VERSION, GIT_HASH, GIT_DATE);
-        return;
+    // Skip binary name; when invoked as `cargo hyperlight`, cargo passes
+    // "hyperlight" as argv[1] — skip that too.
+    let mut args = env::args_os().skip(1).peekable();
+    if args.peek().is_some_and(|a| a == "hyperlight") {
+        args.next();
     }
 
-    let args = env::args_os().enumerate().filter_map(|(i, arg)| {
-        // skip the binary name and the "hyperlight" subcommand if present
-        if i == 0 || (i == 1 && arg == "hyperlight") {
-            None
-        } else {
-            Some(arg)
+    match args.peek().map(|a| a.to_os_string()) {
+        Some(a) if a == "--version" || a == "-V" => {
+            println!("cargo-hyperlight {} ({} {})", VERSION, GIT_HASH, GIT_DATE);
         }
-    });
-
-    cargo()
-        .expect("Failed to create cargo command")
-        .args(args)
-        .status()
-        .expect("Failed to execute cargo")
+        Some(a) if a == "perf" => {
+            if let Err(e) = perf::run(args) {
+                eprintln!("{e:?}");
+                std::process::exit(1);
+            }
+        }
+        _ => {
+            cargo()
+                .expect("Failed to create cargo command")
+                .args(args)
+                .status()
+                .expect("Failed to execute cargo");
+        }
+    }
 }