9 files changed, 30 insertions, 10 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 5d68105f6..7c07bddf9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -930,6 +930,7 @@ dependencies = [
  "ra_hir 0.1.0",
  "ra_ide_api 0.1.0",
  "ra_ide_api_light 0.1.0",
+ "ra_prof 0.1.0",
  "ra_syntax 0.1.0",
  "tools 0.1.0",
 ]
@@ -969,6 +970,7 @@ dependencies = [
  "ra_arena 0.1.0",
  "ra_db 0.1.0",
  "ra_mbe 0.1.0",
+ "ra_prof 0.1.0",
  "ra_syntax 0.1.0",
  "ra_tt 0.1.0",
  "relative-path 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1034,6 +1036,7 @@ dependencies = [
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ra_arena 0.1.0",
  "ra_ide_api 0.1.0",
+ "ra_prof 0.1.0",
  "ra_project_model 0.1.0",
  "ra_syntax 0.1.0",
  "ra_text_edit 0.1.0",
diff --git a/crates/ra_cli/Cargo.toml b/crates/ra_cli/Cargo.toml
index 4c666f556..a92a63257 100644
--- a/crates/ra_cli/Cargo.toml
+++ b/crates/ra_cli/Cargo.toml
@@ -19,3 +19,4 @@ tools = { path = "../tools" }
 ra_batch = { path = "../ra_batch" }
 ra_hir = { path = "../ra_hir" }
 ra_db = { path = "../ra_db" }
+ra_prof = { path = "../ra_prof" }
diff --git a/crates/ra_cli/src/main.rs b/crates/ra_cli/src/main.rs
index 5285f1f28..c13c7910c 100644
--- a/crates/ra_cli/src/main.rs
+++ b/crates/ra_cli/src/main.rs
@@ -1,6 +1,6 @@
 mod analysis_stats;
 
-use std::{fs, io::Read, path::Path, time::Instant};
+use std::{fs, io::Read, path::Path};
 
 use clap::{App, Arg, SubCommand};
 use join_to_string::join;
@@ -9,6 +9,7 @@ use ra_ide_api_light::file_structure;
 use ra_syntax::{SourceFile, TextRange, TreeArc, AstNode};
 use tools::collect_tests;
 use flexi_logger::Logger;
+use ra_prof::profile;
 
 type Result<T> = ::std::result::Result<T, failure::Error>;
 
@@ -34,13 +35,11 @@ fn main() -> Result<()> {
         .get_matches();
     match matches.subcommand() {
         ("parse", Some(matches)) => {
-            let start = Instant::now();
+            let _p = profile("parsing");
             let file = file()?;
-            let elapsed = start.elapsed();
             if !matches.is_present("no-dump") {
                 println!("{}", file.syntax().debug_dump());
             }
-            eprintln!("parsing: {:?}", elapsed);
             ::std::mem::forget(file);
         }
         ("symbols", _) => {
diff --git a/crates/ra_hir/Cargo.toml b/crates/ra_hir/Cargo.toml
index 501308acc..a2858dad9 100644
--- a/crates/ra_hir/Cargo.toml
+++ b/crates/ra_hir/Cargo.toml
@@ -19,6 +19,7 @@ ra_db = { path = "../ra_db" }
 mbe = { path = "../ra_mbe", package = "ra_mbe" }
 tt = { path = "../ra_tt", package = "ra_tt" }
 test_utils = { path = "../test_utils" }
+ra_prof = {path = "../ra_prof" }
 
 [dev-dependencies]
 flexi_logger = "0.11.0"
diff --git a/crates/ra_hir/src/nameres.rs b/crates/ra_hir/src/nameres.rs
index d361cf9e6..5ac878c79 100644
--- a/crates/ra_hir/src/nameres.rs
+++ b/crates/ra_hir/src/nameres.rs
@@ -59,6 +59,7 @@ use rustc_hash::FxHashMap;
 use ra_arena::{Arena, RawId, impl_arena_id};
 use ra_db::{FileId, Edition};
 use test_utils::tested_by;
+use ra_prof::profile;
 
 use crate::{
     ModuleDef, Name, Crate, Module, Problem,
@@ -197,7 +198,7 @@ enum ReachedFixedPoint {
 
 impl CrateDefMap {
     pub(crate) fn crate_def_map_query(db: &impl DefDatabase, krate: Crate) -> Arc<CrateDefMap> {
-        let start = std::time::Instant::now();
+        let _p = profile("crate_def_map_query");
         let def_map = {
             let edition = krate.edition(db);
             let mut modules: Arena<CrateModuleId, ModuleData> = Arena::default();
@@ -216,7 +217,6 @@ impl CrateDefMap {
             }
         };
         let def_map = collector::collect_defs(db, def_map);
-        log::info!("crate_def_map_query: {:?}", start.elapsed());
         Arc::new(def_map)
     }
 
diff --git a/crates/ra_lsp_server/Cargo.toml b/crates/ra_lsp_server/Cargo.toml
index d82410700..bc181e4eb 100644
--- a/crates/ra_lsp_server/Cargo.toml
+++ b/crates/ra_lsp_server/Cargo.toml
@@ -27,6 +27,7 @@ ra_ide_api = { path = "../ra_ide_api" }
 ra_arena = { path = "../ra_arena" }
 gen_lsp_server = { path = "../gen_lsp_server" }
 ra_project_model = { path = "../ra_project_model" }
+ra_prof = { path = "../ra_prof" }
 
 [dev-dependencies]
 tempfile = "3"
diff --git a/crates/ra_lsp_server/src/main.rs b/crates/ra_lsp_server/src/main.rs
index 5a2905207..eb4091a3d 100644
--- a/crates/ra_lsp_server/src/main.rs
+++ b/crates/ra_lsp_server/src/main.rs
@@ -3,6 +3,7 @@ use flexi_logger::{Duplicate, Logger};
 use gen_lsp_server::{run_server, stdio_transport};
 
 use ra_lsp_server::{Result, InitializationOptions};
+use ra_prof;
 
 fn main() -> Result<()> {
     ::std::env::set_var("RUST_BACKTRACE", "short");
@@ -11,6 +12,15 @@ fn main() -> Result<()> {
         Ok(ref v) if v == "1" => logger.log_to_file().directory("log").start()?,
         _ => logger.start()?,
     };
+    let prof_depth = match ::std::env::var("RA_PROFILE_DEPTH") {
+        Ok(ref d) => d.parse()?,
+        _ => 0,
+    };
+    let profile_allowed = match ::std::env::var("RA_PROFILE") {
+        Ok(ref p) => p.split(";").map(String::from).collect(),
+        _ => Vec::new(),
+    };
+    ra_prof::set_filter(ra_prof::Filter::new(prof_depth, profile_allowed));
     log::info!("lifecycle: server started");
     match ::std::panic::catch_unwind(main_inner) {
         Ok(res) => {
diff --git a/crates/ra_lsp_server/src/main_loop.rs b/crates/ra_lsp_server/src/main_loop.rs
index eecf278a8..82410bee3 100644
--- a/crates/ra_lsp_server/src/main_loop.rs
+++ b/crates/ra_lsp_server/src/main_loop.rs
@@ -24,6 +24,7 @@ use crate::{
     Result,
     InitializationOptions,
 };
+use ra_prof::profile;
 
 #[derive(Debug, Fail)]
 #[fail(display = "Language Server request failed with {}. ({})", code, message)]
@@ -181,7 +182,7 @@ fn main_loop_inner(
             recv(libdata_receiver) -> data => Event::Lib(data.unwrap())
         };
         log::info!("loop_turn = {:?}", event);
-        let start = std::time::Instant::now();
+        let _p = profile("loop_turn");
         let mut state_changed = false;
         match event {
             Event::Task(task) => on_task(task, msg_sender, pending_requests),
@@ -235,10 +236,9 @@ fn main_loop_inner(
             in_flight_libraries += 1;
             let sender = libdata_sender.clone();
             pool.execute(move || {
-                let start = ::std::time::Instant::now();
                 log::info!("indexing {:?} ... ", root);
+                let _p = profile(&format!("indexed {:?}", root));
                 let data = LibraryData::prepare(root, files);
-                log::info!("indexed {:?} {:?}", start.elapsed(), root);
                 sender.send(data).unwrap();
             });
         }
@@ -266,7 +266,6 @@ fn main_loop_inner(
                 subs.subscriptions(),
             )
         }
-        log::info!("loop_turn = {:?}", start.elapsed());
     }
 }
 
diff --git a/crates/ra_prof/src/lib.rs b/crates/ra_prof/src/lib.rs
index 0107f7de9..abddff960 100644
--- a/crates/ra_prof/src/lib.rs
+++ b/crates/ra_prof/src/lib.rs
@@ -52,6 +52,12 @@ pub struct Filter {
     allowed: Vec<String>,
 }
 
+impl Filter {
+    pub fn new(depth: usize, allowed: Vec<String>) -> Filter {
+        Filter { depth, allowed }
+    }
+}
+
 struct ProfileStack {
     starts: Vec<Instant>,
     messages: Vec<Message>,