fix: trace git command correctly (#39520)

Help  #39410

modules/gtprof/trace.go

@@ -122,6 +122,8 @@ func (t *Tracer) Start(ctx context.Context, spanName string) (context.Context, *
 		ts.parent = parentSpan
 	}
 
+	// FIXME: this ctx handling is not right. The returned ctx should inherit the ctx passed in, but not from span's internal contexts
+	// The returned ctx only needs to inherit the values of the internal contexts of spans
 	parentCtx := ctx
 	for internalSpanIdx, tsp := range starters {
 		var internalSpan traceSpanInternal

modules/gtprof/trace_const.go

@@ -6,14 +6,17 @@ package gtprof
 // Some interesting names could be found in https://github.com/open-telemetry/opentelemetry-go/tree/main/semconv
 
 const (
+	TraceSpanContext  = "context"
 	TraceSpanHTTP     = "http"
 	TraceSpanGitRun   = "git-run"
 	TraceSpanDatabase = "database"
 )
 
 const (
-	TraceAttrFuncCaller = "func.caller"
-	TraceAttrDbSQL      = "db.sql"
-	TraceAttrGitCommand = "git.command"
-	TraceAttrHTTPRoute  = "http.route"
+	TraceAttrGeneralName = "general.name"
+	TraceAttrGeneralDesc = "general.desc"
+	TraceAttrFuncCaller  = "func.caller"
+	TraceAttrDbSQL       = "db.sql"
+	TraceAttrGitCommand  = "git.command"
+	TraceAttrHTTPRoute   = "http.route"
 )