[PATCH 2/2] ftrace: draw_funcgraph.py: Allow reading input from files in addition to stdin

[asnast]

From: Alex Snast <alexsn@xxxxxxxxxx>

Signed-off-by: Alex Snast <alexsn@xxxxxxxxxx>
---
 scripts/tracing/draw_functrace.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/tracing/draw_functrace.py b/scripts/tracing/draw_functrace.py
index 358bc9f..333ab42 100644
--- a/scripts/tracing/draw_functrace.py
+++ b/scripts/tracing/draw_functrace.py
@@ -22,7 +22,7 @@ Usage:
 """
 
 
-import sys, re
+import fileinput, re
 
 class CallTree:
 	""" This class provides a tree representation of the functions
@@ -113,7 +113,7 @@ def main():
 	CallTree.ROOT = CallTree("Root (Nowhere)", None, None)
 	tree = CallTree.ROOT
 
-	for line in sys.stdin:
+	for line in fileinput.input():
 		try:
 			calltime, callee, caller = parseLine(line)
 		except BrokenLineException:
-- 
1.9.2

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