From 0ff10e99dd22b59a041371aa02c089b9d93e4aa2 Mon Sep 17 00:00:00 2001
From: Bill Thiede <git@xinu.tv>
Date: Sat, 22 Sep 2018 12:08:12 -0700
Subject: [PATCH] Help string for --pprof.

---
 rtiow/src/renderer.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rtiow/src/renderer.rs b/rtiow/src/renderer.rs
index 1ac7528..586ccef 100644
--- a/rtiow/src/renderer.rs
+++ b/rtiow/src/renderer.rs
@@ -81,6 +81,7 @@ pub struct Opt {
     /// Select scene to render, one of: "bench", "book", "tutorial" "cube", "bvh", "test"
     #[structopt(long = "model", default_value = "test")]
     pub model: Model,
+    /// Path to store pprof profile data, i.e. /tmp/cpuprofile.pprof
     #[structopt(long = "pprof", parse(from_os_str))]
     pub pprof: Option<PathBuf>,
     /// Use acceleration data structure, may be BVH or kd-tree depending on scene.