diff --git a/CHANGELOG.md b/CHANGELOG.md
index f87f367..ff46d08 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -172,6 +172,11 @@ types are additive.
 
 ### Changed
 
+- **The agent that `gpufl trace --upload` and `gpufl upload` start also tails
+  the `serving` channel** (default log types `device,scope,system,sass,serving`).
+  It carries the records the Python serving writer emits into its own session
+  directories; without it those sessions were never uploaded by a
+  launcher-started agent. A channel with no windows is a no-op.
 - **`--passes` and `--deep-*` are separate execution modes and cannot be
   combined.** The reason is a hardware constraint rather than a style choice:
   `cuptiProfilerInitialize` has to run before any CUDA context exists, so the
diff --git a/daemon/launcher/cli_parse.hpp b/daemon/launcher/cli_parse.hpp
index 0cd86b2..dce7b82 100644
--- a/daemon/launcher/cli_parse.hpp
+++ b/daemon/launcher/cli_parse.hpp
@@ -32,7 +32,7 @@ struct TraceArgs {
     std::string api_version = "v1";     // --api-version
     std::string agent_jar;              // --agent-jar; else GPUFL_AGENT_JAR
     std::string agent_cursor;           // --agent-cursor; default <output>/cursor.json
-    std::string log_types = "device,scope,system,sass"; // --log-types (sass carries cubin disassembly + source artifacts)
+    std::string log_types = "device,scope,system,sass,serving"; // --log-types (sass carries cubin disassembly + source artifacts; serving the LLM-serving records)
     int agent_drain_ms = 60000;         // --agent-drain-ms: cap on waiting for the agent to finish uploading
     // Bounded window profiling (`gpufl trace` only): bound a capture of a
     // long-running target that never exits on its own. warmup defers the
diff --git a/daemon/launcher/cli_trace_options.cpp b/daemon/launcher/cli_trace_options.cpp
index 86933a1..a3206c8 100644
--- a/daemon/launcher/cli_trace_options.cpp
+++ b/daemon/launcher/cli_trace_options.cpp
@@ -516,7 +516,7 @@ const CliOptionManager<TraceArgs>& traceOptions() {
                  kSection(TraceHelpSection::Runtime),
                  &parseNonEmptyStringOption<&TraceArgs::agent_cursor>)
             .add({"--log-types"}, "<LIST>",
-                 "Agent channels to upload (default: device,scope,system,sass)",
+                 "Agent channels to upload (default: device,scope,system,sass,serving)",
                  kSection(TraceHelpSection::Runtime),
                  &parseNonEmptyStringOption<&TraceArgs::log_types>)
             .add({"--agent-drain-ms"}, "<MS>",
diff --git a/daemon/launcher/upload_command.cpp b/daemon/launcher/upload_command.cpp
index c507571..c2b2868 100644
--- a/daemon/launcher/upload_command.cpp
+++ b/daemon/launcher/upload_command.cpp
@@ -91,7 +91,7 @@ int runUpload(const UploadArgs& args) {
 
     AgentOptions agent_opts;
     agent_opts.source_folders = args.log_path;
-    agent_opts.log_types      = "device,scope,system,sass";
+    agent_opts.log_types      = "device,scope,system,sass,serving";
     agent_opts.backend_url    = backend_url;
     agent_opts.api_key        = api_key;
     agent_opts.api_version    = apiVersionFrom(resolve(args.api_path, gpufl::env::kApiPath));
diff --git a/tests/launcher/test_cli_parse.cpp b/tests/launcher/test_cli_parse.cpp
index 1bbc544..c09a83a 100644
--- a/tests/launcher/test_cli_parse.cpp
+++ b/tests/launcher/test_cli_parse.cpp
@@ -398,7 +398,7 @@ TEST(CliParseTrace, UploadFlag) {
     ASSERT_TRUE(r.args.has_value()) << r.error;
     EXPECT_TRUE(r.args->upload);
     EXPECT_EQ(r.args->api_version, "v1");
-    EXPECT_EQ(r.args->log_types, "device,scope,system,sass");
+    EXPECT_EQ(r.args->log_types, "device,scope,system,sass,serving");
     EXPECT_EQ(r.args->agent_drain_ms, 60000);
 }