vmstat: add basic implementation of vmstat

Author: Bluemangoo

Cargo.lock

@@ -39,6 +39,7 @@ feat_common_core = [
     "sysctl",
     "tload",
     "top",
+    "vmstat",
     "w",
     "watch",
 ]
@@ -55,6 +56,7 @@ nix = { version = "0.29", default-features = false, features = ["process"] }
 phf = "0.11.2"
 phf_codegen = "0.11.2"
 prettytable-rs = "0.10.0"
+procfs = "0.17.0"
 rand = { version = "0.9.0", features = ["small_rng"] }
 ratatui = "0.29.0"
 regex = "1.10.4"
@@ -92,6 +94,7 @@ snice = { optional = true, version = "0.0.1", package = "uu_snice", path = "src/
 sysctl = { optional = true, version = "0.0.1", package = "uu_sysctl", path = "src/uu/sysctl" }
 tload = { optional = true, version = "0.0.1", package = "uu_tload", path = "src/uu/tload" }
 top = { optional = true, version = "0.0.1", package = "uu_top", path = "src/uu/top" }
+vmstat = { optional = true, version = "0.0.1", package = "uu_vmstat", path = "src/uu/vmstat" }
 w = { optional = true, version = "0.0.1", package = "uu_w", path = "src/uu/w" }
 watch = { optional = true, version = "0.0.1", package = "uu_watch", path = "src/uu/watch" }
 

Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "uu_vmstat"
+version = "0.0.1"
+edition = "2021"
+authors = ["uutils developers"]
+license = "MIT"
+description = "vmstat ~ (uutils) Report virtual memory statistics."
+
+homepage = "https://github.com/uutils/procps"
+repository = "https://github.com/uutils/procps/tree/main/src/uu/vmstat"
+keywords = ["acl", "uutils", "cross-platform", "cli", "utility"]
+categories = ["command-line-utilities"]
+
+[dependencies]
+uucore = { workspace = true }
+clap = { workspace = true }
+
+[target.'cfg(target_os="linux")'.dependencies]
+procfs = { workspace = true }
+
+[lib]
+path = "src/vmstat.rs"
+
+[[bin]]
+name = "vmstat"
+path = "src/main.rs"

src/uu/vmstat/Cargo.toml

@@ -0,0 +1 @@
+uucore::bin!(uu_vmstat);