1 files changed, 32 insertions, 0 deletions
diff --git a/pw_thread/pw_thread_protos/thread_snapshot_service.proto b/pw_thread/pw_thread_protos/thread_snapshot_service.proto
new file mode 100644
index 000000000..ef108b250
--- /dev/null
+++ b/pw_thread/pw_thread_protos/thread_snapshot_service.proto
@@ -0,0 +1,32 @@
+// Copyright 2022 The Pigweed Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+syntax = "proto3";
+
+package pw.thread.proto;
+
+import "pw_thread_protos/thread.proto";
+
+option java_package = "pw.thread.proto";
+option java_outer_classname = "Thread";
+
+message ThreadRequest {
+  // Thread information matched to the given name is returned.  The intent
+  // is to support specific snapshots of a single thread.
+  optional bytes name = 1;
+}
+
+service ThreadSnapshotService {
+  // Returns peak stack usage across running threads in the device.
+  rpc GetPeakStackUsage(ThreadRequest) returns (stream SnapshotThreadInfo) {}
+}