Merge #8627

8627: Add profiling spans under cargo_to_crate_graph r=lnicola a=lnicola

bors r+

Co-authored-by: Laurențiu Nicola <lnicola@dend.ro>

Author: bors[bot]

Cargo.lock

@@ -15,10 +15,11 @@ serde_json = { version = "1.0", features = ["unbounded_depth"] }
 log = "0.4.8"
 crossbeam-channel = "0.5.0"
 jod-thread = "0.1.1"
+memmap = "0.7.0"
+object = { version = "0.23.0", default-features = false, features = ["std", "read_core", "elf", "macho", "pe", "unaligned"] }
+snap = "1.0"
 
 tt = { path = "../tt", version = "0.0.0" }
 base_db = { path = "../base_db", version = "0.0.0" }
 stdx = { path = "../stdx", version = "0.0.0" }
-snap = "1"
-object = { version = "0.23.0", default-features = false, features = ["std", "read_core", "elf", "macho", "pe", "unaligned"] }
-memmap = "0.7.0"
+profile = { path = "../profile", version = "0.0.0" }

crates/proc_macro_api/Cargo.toml

@@ -77,6 +77,7 @@ impl ProcMacroClient {
     }
 
     pub fn by_dylib_path(&self, dylib_path: &Path) -> Vec<ProcMacro> {
+        let _p = profile::span("ProcMacroClient::by_dylib_path");
         match version::read_dylib_info(dylib_path) {
             Ok(info) => {
                 if info.version.0 < 1 || info.version.1 < 47 {

crates/proc_macro_api/src/lib.rs

@@ -322,6 +322,7 @@ impl GlobalState {
             let loader = &mut self.loader;
             let mem_docs = &self.mem_docs;
             let mut load = |path: &AbsPath| {
+                let _p = profile::span("GlobalState::load");
                 let vfs_path = vfs::VfsPath::from(path.to_path_buf());
                 if !mem_docs.contains_key(&vfs_path) {
                     let contents = loader.handle.load_sync(path);