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Add --memory-usage to analysis-bench

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This commit is contained in:
Jonas Schievink
2020-07-15 12:14:51 +02:00
parent 77425c21c7
commit 9086c8c663
5 changed files with 44 additions and 22 deletions
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21
crates/rust-analyzer/src/lib.rs
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@@ -40,7 +40,9 @@ use serde::de::DeserializeOwned;
pub type Result<T, E = Box<dyn std::error::Error + Send + Sync>> = std::result::Result<T, E>;
pub use crate::{caps::server_capabilities, main_loop::main_loop};
use ra_ide::AnalysisHost;
use std::fmt;
use vfs::Vfs;
pub fn from_json<T: DeserializeOwned>(what: &'static str, json: serde_json::Value) -> Result<T> {
let res = T::deserialize(&json)
@@ -67,3 +69,22 @@ impl fmt::Display for LspError {
}
impl std::error::Error for LspError {}
fn print_memory_usage(mut host: AnalysisHost, vfs: Vfs) {
let mut mem = host.per_query_memory_usage();
let before = ra_prof::memory_usage();
drop(vfs);
let vfs = before.allocated - ra_prof::memory_usage().allocated;
mem.push(("VFS".into(), vfs));
let before = ra_prof::memory_usage();
drop(host);
mem.push(("Unaccounted".into(), before.allocated - ra_prof::memory_usage().allocated));
mem.push(("Remaining".into(), ra_prof::memory_usage().allocated));
for (name, bytes) in mem {
println!("{:>8} {}", bytes, name);
}
}