Log server session options

Author: 0xShug0

app/server/runtime.cpp

@@ -5,6 +5,7 @@
 #include "../cli/request.h"
 #include "../streaming/streaming.h"
 
+#include "engine/framework/debug/trace.h"
 #include "engine/framework/io/json.h"
 #include "engine/framework/runtime/registry.h"
 
@@ -673,6 +674,24 @@ void ServerState::ensure_model_loaded_locked(LoadedModel & model) {
     session_options.backend.threads = config_.threads;
     session_options.options = model.config.session_options;
 
+    engine::debug::trace_log_scalar("server.model.id", model.config.id);
+    engine::debug::trace_log_scalar("server.model.family", model.config.family);
+    engine::debug::trace_log_scalar(
+        "server.model.task",
+        std::string_view(engine::runtime::to_string(model.task.task)));
+    engine::debug::trace_log_scalar(
+        "server.model.mode",
+        std::string_view(engine::runtime::to_string(model.task.mode)));
+    engine::debug::trace_log_scalar("server.model.backend", std::string_view(backend_name(session_options.backend.type)));
+    engine::debug::trace_log_scalar("server.model.device", int64_t{session_options.backend.device});
+    engine::debug::trace_log_scalar("server.model.threads", int64_t{session_options.backend.threads});
+    engine::debug::trace_log_scalar(
+        "server.model.session_option_count",
+        static_cast<int64_t>(session_options.options.size()));
+    for (const auto & [key, value] : session_options.options) {
+        engine::debug::trace_log_scalar("server.model.session_options." + key, value);
+    }
+
     auto loaded_model = registry.load(load_request);
     auto session = loaded_model->create_task_session(model.task, session_options);
     auto * offline = dynamic_cast<engine::runtime::IOfflineVoiceTaskSession *>(session.get());

src/models/omnivoice/session.cpp

@@ -62,6 +62,16 @@ OmniVoiceGeneratorPerfMode perf_mode_from_options(const runtime::SessionOptions
     return OmniVoiceGeneratorPerfMode::Standard;
 }
 
+std::string_view perf_mode_name(OmniVoiceGeneratorPerfMode mode) {
+    switch (mode) {
+        case OmniVoiceGeneratorPerfMode::Standard:
+            return "off";
+        case OmniVoiceGeneratorPerfMode::FlashAttention:
+            return "flash_attention";
+    }
+    return "unknown";
+}
+
 using Clock = std::chrono::steady_clock;
 
 OmniVoiceGenerationOptions generation_options_from_options(const std::unordered_map<std::string, std::string> & options_map) {
@@ -232,6 +242,7 @@ OmniVoiceSession::OmniVoiceSession(
           generator_weight_storage_type_,
           mem_saver_,
           generator_perf_mode_) {
+    engine::debug::trace_log_scalar("omnivoice.perf_mode", perf_mode_name(generator_perf_mode_));
     if (task_.task != runtime::VoiceTaskKind::Tts) {
         throw std::runtime_error("OmniVoice only supports VoiceTaskKind::Tts");
     }