fix(profile): stage relay trace in checkout

Author: Oseltamivir

.github/workflows/profile.yml

@@ -171,7 +171,7 @@ jobs:
             exit 1
           fi
 
-          trace_path="/workspace/profile_${res_name}.trace.json.gz"
+          trace_path="profile_${res_name}.trace.json.gz"
           if [ -f "$trace_path" ]; then
             echo "trace=$trace_path" >> "$GITHUB_OUTPUT"
             if [ "${FRAMEWORK}" = "sglang" ]; then

benchmarks/benchmark_lib.sh

@@ -508,7 +508,7 @@ move_profile_trace_for_relay() {
         return 0
     fi
 
-    local dest_trace="/workspace/profile_${RESULT_FILENAME}.trace.json.gz"
+    local dest_trace="$PWD/profile_${RESULT_FILENAME}.trace.json.gz"
     if [[ "$trace_file" == *.gz ]]; then
         cp -f "$trace_file" "$dest_trace"
     else