slabtop: Add command

Cargo.toml

@@ -25,13 +25,7 @@ build = "build.rs"
 default = ["feat_common_core"]
 uudoc = []
 
-feat_common_core = [
-  "pwdx",
-  "free",
-  "w",
-  "watch",
-  "pmap",
-]
+feat_common_core = ["pwdx", "free", "w", "watch", "pmap"]
 
 [workspace.dependencies]
 uucore = "0.0.25"
@@ -68,6 +62,7 @@ free = { optional = true, version = "0.0.1", package = "uu_free", path = "src/uu
 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" }
 pmap = { optional = true, version = "0.0.1", package = "uu_pmap", path = "src/uu/pmap" }
+slabtop = { optional = true, version = "0.0.1", package = "uu_slabtop", path = "src/uu/slabtop" }
 
 [dev-dependencies]
 pretty_assertions = "1"

src/uu/slabtop/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "uu_slabtop"
+version = "0.0.1"
+edition = "2021"
+authors = ["uutils developers"]
+license = "MIT"
+description = "slabtop ~ (uutils) Display kernel slab cache information in real time"
+
+homepage = "https://github.com/uutils/procps"
+repository = "https://github.com/uutils/procps/tree/main/src/uu/slabtop"
+keywords = ["acl", "uutils", "cross-platform", "cli", "utility"]
+categories = ["command-line-utilities"]
+
+
+[dependencies]
+uucore = { workspace = true }
+clap = { workspace = true }
+bytesize = { workspace = true }
+
+sysinfo = { workspace = true }
+
+[lib]
+path = "src/slabtop.rs"
+
+[[bin]]
+name = "slabtop"
+path = "src/main.rs"

src/uu/slabtop/slabtop.md

@@ -0,0 +1,7 @@
+# slabtop
+
+```
+slabtop [options]
+```
+
+Display kernel slab cache information in real time

src/uu/slabtop/src/main.rs

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

src/uu/slabtop/src/slabtop.rs

@@ -0,0 +1,32 @@
+// This file is part of the uutils procps package.
+//
+// For the full copyright and license information, please view the LICENSE
+// file that was distributed with this source code.
+
+use clap::{arg, crate_version, ArgAction, Command};
+use uucore::{error::UResult, format_usage, help_about, help_usage};
+
+const ABOUT: &str = help_about!("slabtop.md");
+const USAGE: &str = help_usage!("slabtop.md");
+
+#[uucore::main]
+pub fn uumain(args: impl uucore::Args) -> UResult<()> {
+    let _matches = uu_app().try_get_matches_from(args)?;
+
+    Ok(())
+}
+
+pub fn uu_app() -> Command {
+    Command::new(uucore::util_name())
+        .version(crate_version!())
+        .about(ABOUT)
+        .override_usage(format_usage(USAGE))
+        .infer_long_args(true)
+        .disable_help_flag(true)
+        .args([
+            arg!(-d --delay <secs>  "delay updates"),
+            arg!(-o --once          "only display once, then exit"),
+            arg!(-s --sort  <char>  "specify sort criteria by character (see below)"),
+            arg!(-h --help          "display this help and exit").action(ArgAction::Help),
+        ])
+}