update comments

nanshuaibo · Feb 7, 2016 · 6321d00 · 6321d00
1 parent 6f075b9
commit 6321d00
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/tools/biotop.py b/tools/biotop.py
@@ -59,12 +59,13 @@ def signal_ignore(signal, frame):
 #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 @@ def signal_ignore(signal, frame):
  char name[TASK_COMM_LEN];
 };
 
+// the value of the output summary
 struct val_t {
  u64 bytes;
  u64 us;