From a193366b3d67d1735cfd5f6201f4e3134daaa78c Mon Sep 17 00:00:00 2001
From: "James O. D. Hunt" <james.o.hunt@intel.com>
Date: Tue, 21 Aug 2018 09:02:06 +0100
Subject: [PATCH] tracing: Add subsystem tag to runtime

Set a tag on the root span to denote the subsystem refers to the
runtime.

Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
---
 cli/main.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cli/main.go b/cli/main.go
index f3d6ba580..025196dcb 100644
--- a/cli/main.go
+++ b/cli/main.go
@@ -340,6 +340,8 @@ func setupTracing(context *cli.Context, rootSpanName string) error {
 		return err
 	}
 
+	span.SetTag("subsystem", "runtime")
+
 	// Associate the root span with the context
 	ctx = opentracing.ContextWithSpan(ctx, span)