Expose the call trace in the batch stats

crates/dump/src/lib.rs

@@ -321,6 +321,7 @@ pub(crate) mod test {
                 status: maplit::btreemap! { Status::Succeeded => 1 },
                 types: maplit::btreemap! { Kind::DocumentAdditionOrUpdate => 1 },
                 index_uids: maplit::btreemap! { "doggo".to_string() => 1 },
+                call_trace: Default::default(),
             },
             enqueued_at: Some(BatchEnqueuedAt {
                 earliest: datetime!(2022-11-11 0:00 UTC),

crates/index-scheduler/Cargo.toml

@@ -29,7 +29,7 @@ page_size = "0.6.0"
 rayon = "1.10.0"
 roaring = { version = "0.10.10", features = ["serde"] }
 serde = { version = "1.0.217", features = ["derive"] }
-serde_json = { version = "1.0.135", features = ["preserve_order"] }
+serde_json = { version = "1.0.138", features = ["preserve_order"] }
 synchronoise = "1.0.1"
 tempfile = "3.15.0"
 thiserror = "2.0.9"

crates/index-scheduler/src/scheduler/mod.rs

@@ -339,7 +339,9 @@ impl IndexScheduler {
 
         // We must re-add the canceled task so they're part of the same batch.
         ids |= canceled;
-        eprintln!("{:#?}", progress.accumulated_durations());
+        let durations = progress.accumulated_durations();
+        processing_batch.stats.call_trace =
+            durations.into_iter().map(|(k, v)| (k, v.into())).collect();
         self.queue.write_batch(&mut wtxn, processing_batch, &ids)?;
 
         #[cfg(test)]

crates/meilisearch-types/Cargo.toml

@@ -14,6 +14,7 @@ license.workspace = true
 actix-web = { version = "4.9.0", default-features = false }
 anyhow = "1.0.95"
 bumpalo = "3.16.0"
+bumparaw-collections = "0.1.4"
 convert_case = "0.6.0"
 csv = "1.3.1"
 deserr = { version = "0.6.3", features = ["actix-web"] }
@@ -24,12 +25,11 @@ flate2 = "1.0.35"
 fst = "0.4.7"
 memmap2 = "0.9.5"
 milli = { path = "../milli" }
-bumparaw-collections = "0.1.4"
 roaring = { version = "0.10.10", features = ["serde"] }
 rustc-hash = "2.1.0"
 serde = { version = "1.0.217", features = ["derive"] }
 serde-cs = "0.2.4"
-serde_json = "1.0.135"
+serde_json = { version = "1.0.135", features = ["preserve_order"] }
 tar = "0.4.43"
 tempfile = "3.15.0"
 thiserror = "2.0.9"

crates/meilisearch-types/src/batches.rs

@@ -60,4 +60,5 @@ pub struct BatchStats {
     pub status: BTreeMap<Status, u32>,
     pub types: BTreeMap<Kind, u32>,
     pub index_uids: BTreeMap<String, u32>,
+    pub call_trace: serde_json::Map<String, serde_json::Value>,
 }