validate-shaping: show approx memory usage of processed files

Cargo.lock

@@ -7373,7 +7373,9 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "clap",
+ "human_bytes",
  "kumo-api-types",
+ "re_memory",
  "tokio",
 ]
 

crates/validate-shaping/Cargo.toml

@@ -6,5 +6,7 @@ edition = "2021"
 [dependencies]
 anyhow = {workspace=true}
 clap = {workspace=true}
+human_bytes.workspace = true
 kumo-api-types = {path="../kumo-api-types", features=["lua"]}
+re_memory.workspace = true
 tokio = {workspace=true, features=["full"]}

crates/validate-shaping/src/main.rs

@@ -1,5 +1,7 @@
 use clap::Parser;
+use human_bytes::human_bytes;
 use kumo_api_types::shaping::{CheckLevel, Shaping, ShapingMergeOptions};
+use re_memory::MemoryUse;
 
 /// KumoMTA shaping configuration validator
 ///
@@ -82,8 +84,11 @@ async fn main() {
         local_load: opts.local_load,
     };
 
+    let memory_start = MemoryUse::capture();
     match Shaping::merge_files(&opts.files, &shaping_opts).await {
         Ok(merged) => {
+            let memory_end = MemoryUse::capture();
+
             for err in merged.get_errors() {
                 eprintln!("ERROR: {err}");
                 failed = true;
@@ -91,6 +96,11 @@ async fn main() {
             for warn in merged.get_warnings() {
                 eprintln!("WARNING: {warn}");
             }
+            let counted = memory_end
+                .counted
+                .unwrap_or(0)
+                .saturating_sub(memory_start.counted.unwrap_or(0));
+            println!("INFO: approx memory used = {}", human_bytes(counted as f64));
             if !failed {
                 eprintln!("OK");
             }