From f09c14eb3b1a0aee0d61654e054cd9829a41566d Mon Sep 17 00:00:00 2001
From: paullegranddc <paul.legranddescloizeaux@datadoghq.com>
Date: Fri, 20 Mar 2026 15:28:52 +0100
Subject: [PATCH 1/3] fix(trace-stats): rename wrongly cased stats fields

---
 libdd-trace-protobuf/build.rs  | 8 ++++++++
 libdd-trace-protobuf/src/pb.rs | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/libdd-trace-protobuf/build.rs b/libdd-trace-protobuf/build.rs
index ae0eef29ae..14cfe8389b 100644
--- a/libdd-trace-protobuf/build.rs
+++ b/libdd-trace-protobuf/build.rs
@@ -207,6 +207,14 @@ fn generate_protobuf() {
         "ClientGroupedStats.DB_type",
         "#[serde(rename = \"DBType\")]",
     );
+    config.field_attribute(
+        "ClientGroupedStats.GRPC_status_code",
+        "#[serde(rename = \"GRPCStatusCode\")]",
+    );
+    config.field_attribute(
+        "ClientGroupedStats.service_source",
+        "#[serde(rename = \"srv_src\")]",
+    );
 
     // idx module type attributes
     config.type_attribute("pb.idx.AnyValue", "#[derive(Deserialize, Serialize)]");
diff --git a/libdd-trace-protobuf/src/pb.rs b/libdd-trace-protobuf/src/pb.rs
index c242c1b131..5e28ba08ad 100644
--- a/libdd-trace-protobuf/src/pb.rs
+++ b/libdd-trace-protobuf/src/pb.rs
@@ -635,6 +635,7 @@ pub struct ClientGroupedStats {
     pub is_trace_root: i32,
     #[prost(string, tag = "18")]
     #[serde(default)]
+    #[serde(rename = "GRPCStatusCode")]
     pub grpc_status_code: ::prost::alloc::string::String,
     /// HTTP method of the request
     #[prost(string, tag = "19")]
@@ -649,6 +650,7 @@ pub struct ClientGroupedStats {
     /// @inject_tag: msg:"srv_src"
     #[prost(string, tag = "21")]
     #[serde(default)]
+    #[serde(rename = "srv_src")]
     pub service_source: ::prost::alloc::string::String,
     /// used to identify service override origin
     /// span_derived_primary_tags are user-configured tags that are extracted from spans and used for stats aggregation

From 86e21f59169ed846c61dcf4b969adc1a0881f158 Mon Sep 17 00:00:00 2001
From: paullegranddc <paul.legranddescloizeaux@datadoghq.com>
Date: Mon, 23 Mar 2026 16:42:12 +0100
Subject: [PATCH 2/3] fix: deser tests

---
 libdd-trace-protobuf/src/pb_test.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libdd-trace-protobuf/src/pb_test.rs b/libdd-trace-protobuf/src/pb_test.rs
index 4d0672c4a5..5d9cb68b84 100644
--- a/libdd-trace-protobuf/src/pb_test.rs
+++ b/libdd-trace-protobuf/src/pb_test.rs
@@ -72,7 +72,7 @@ mod tests {
                             ],
                             "HTTPMethod": "GET",
                             "HTTPEndpoint": "/test",
-                            "GrpcStatusCode": "0"
+                            "GRPCStatusCode": "0"
                         }
                     ]
                 }

From 680cc77cb59ca96e46306e6f2eb22daf5fca308e Mon Sep 17 00:00:00 2001
From: paullegranddc <paul.legranddescloizeaux@datadoghq.com>
Date: Mon, 23 Mar 2026 16:54:47 +0100
Subject: [PATCH 3/3] fix test

---
 libdd-trace-utils/src/stats_utils.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libdd-trace-utils/src/stats_utils.rs b/libdd-trace-utils/src/stats_utils.rs
index fe559a2692..4e17dcf181 100644
--- a/libdd-trace-utils/src/stats_utils.rs
+++ b/libdd-trace-utils/src/stats_utils.rs
@@ -155,7 +155,7 @@ mod mini_agent_tests {
                                 0,
                                 0
                             ],
-                            "GrpcStatusCode": "0",
+                            "GRPCStatusCode": "0",
                             "HTTPMethod": "GET",
                             "HTTPEndpoint": "/test"
                         }