Use pprof in the same directory if exists, and add a downloading script.

It's to use deep_memory_profiler without checking out the entire Chromium tree.


BUG=123750
TEST=run download.sh and dmprof.


Review URL: https://chromiumcodereview.appspot.com/10534146

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@142480 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 29 insertions, 8 deletions

diff --git a/tools/deep_memory_profiler/dmprof b/tools/deep_memory_profiler/dmprof
index a2f6919..b61248d 100755
--- a/tools/deep_memory_profiler/dmprof
+++ b/tools/deep_memory_profiler/dmprof
@@ -19,14 +19,23 @@ COMMITTED = 1
 ALLOC_COUNT = 2
 FREE_COUNT = 3
 NULL_REGEX = re.compile('')
-PPROF_PATH = os.path.join(os.path.dirname(__file__),
-                          os.pardir,
-                          os.pardir,
-                          'third_party',
-                          'tcmalloc',
-                          'chromium',
-                          'src',
-                          'pprof')
+
+# If an executable pprof script is in the directory of deep_memory_profiler,
+# use it.  Otherwise, use tcmalloc's pprof.
+#
+# A pprof script in deep_memory_profiler/ is prioritized to allow packaging
+# deep_memory_profiler files with a pprof script.  The packaged
+# deep_memory_profiler is downloaded with pprof by using download.sh.
+PPROF_PATH = os.path.join(os.path.dirname(__file__), 'pprof')
+if not (os.path.isfile(PPROF_PATH) and os.access(PPROF_PATH, os.X_OK)):
+  PPROF_PATH = os.path.join(os.path.dirname(__file__),
+                            os.pardir,
+                            os.pardir,
+                            'third_party',
+                            'tcmalloc',
+                            'chromium',
+                            'src',
+                            'pprof')
 
 # Heap Profile Dump versions
 
diff --git a/tools/deep_memory_profiler/download.sh b/tools/deep_memory_profiler/download.sh
new file mode 100755
index 0000000..312ca1f
--- /dev/null
+++ b/tools/deep_memory_profiler/download.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+svn checkout --force \
+    http://src.chromium.org/chrome/trunk/src/tools/deep_memory_profiler \
+    deep_memory_profiler
+
+curl -o deep_memory_profiler/pprof \
+    http://src.chromium.org/chrome/trunk/src/third_party/tcmalloc/chromium/src/pprof
+
+chmod a+x deep_memory_profiler/pprof