From 6321d00a975bb94716aa8435fa026a7612c2a73d Mon Sep 17 00:00:00 2001
From: Brendan Gregg <brendan.d.gregg@gmail.com>
Date: Sun, 7 Feb 2016 00:54:44 -0800
Subject: [PATCH] update comments

---
 tools/biotop.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/biotop.py b/tools/biotop.py
index c26572a..51ecd09 100755
--- a/tools/biotop.py
+++ b/tools/biotop.py
@@ -59,12 +59,13 @@ b = BPF(text="""
 #include <uapi/linux/ptrace.h>
 #include <linux/blkdev.h>
 
-// a value of one map, and a key for another:
+// for saving process info by request
 struct who_t {
     u32 pid;
     char name[TASK_COMM_LEN];
 };
 
+// the key for the output summary
 struct info_t {
     u32 pid;
     int type;
@@ -73,6 +74,7 @@ struct info_t {
     char name[TASK_COMM_LEN];
 };
 
+// the value of the output summary
 struct val_t {
     u64 bytes;
     u64 us;
-- 
2.7.4