From c282406add633b1f32a97cdbb49d446d7b0e3b9d Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Sat, 6 May 2017 15:06:24 +0200
Subject: [PATCH] Add profiling of CPU and memory usage (#912)

---
 .travis.yml                             |  2 +-
 tests/profiling/filter_massif_output.py | 41 +++++++++++++++++++++++++
 tools/travis-ci/run.sh                  | 23 +++++++++++++-
 3 files changed, 64 insertions(+), 2 deletions(-)
 create mode 100644 tests/profiling/filter_massif_output.py

diff --git a/.travis.yml b/.travis.yml
index f0ac2d7cd..8d5883507 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,7 @@ matrix:
             - gcc-multilib
     - os: linux
       compiler: gcc
-      env: OPJ_CI_ARCH=x86_64 OPJ_CI_BUILD_CONFIGURATION=Debug
+      env: OPJ_CI_ARCH=x86_64 OPJ_CI_BUILD_CONFIGURATION=Debug OPJ_CI_PROFILE=1
     - os: linux
       compiler: clang
       env: OPJ_CI_ARCH=x86_64 OPJ_CI_BUILD_CONFIGURATION=Debug OPJ_CI_ASAN=1
diff --git a/tests/profiling/filter_massif_output.py b/tests/profiling/filter_massif_output.py
new file mode 100644
index 000000000..173f68929
--- /dev/null
+++ b/tests/profiling/filter_massif_output.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2017, IntoPIX SA
+# Contact: support@intopix.com
+# Author: Even Rouault
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+import sys
+
+lines = open(sys.argv[1], 'rt').readlines()
+display_next_lines = False
+for line in lines:
+    line = line.replace('\n', '')
+    if line == 'heap_tree=peak':
+        display_next_lines = True
+    elif display_next_lines:
+        if line == '#-----------':
+            break
+        print(line)
diff --git a/tools/travis-ci/run.sh b/tools/travis-ci/run.sh
index 782622b50..d4b61ac66 100755
--- a/tools/travis-ci/run.sh
+++ b/tools/travis-ci/run.sh
@@ -184,7 +184,9 @@ export OPJ_BINARY_DIR=$(opjpath -m ${PWD}/build)
 export OPJ_BUILD_CONFIGURATION=${OPJ_CI_BUILD_CONFIGURATION}
 export OPJ_DO_SUBMIT=${OPJ_DO_SUBMIT}
 
-ctest -S ${OPJ_SOURCE_DIR}/tools/ctest_scripts/travis-ci.cmake -V || true
+if [ "${OPJ_SKIP_REBUILD:-}" != "1" ]; then
+    ctest -S ${OPJ_SOURCE_DIR}/tools/ctest_scripts/travis-ci.cmake -V || true
+fi
 # ctest will exit with various error codes depending on version.
 # ignore ctest exit code & parse this ourselves
 set +x
@@ -303,4 +305,23 @@ New/unknown test failure found!!!
 	fi
 fi
 
+if [ "${OPJ_CI_PROFILE:-}" == "1" ]; then
+    rm -rf build_gprof
+    mkdir build_gprof
+    cd build_gprof
+    # We need static linking for gprof
+    cmake "-DCMAKE_C_FLAGS=-pg -O3" -DCMAKE_EXE_LINKER_FLAGS=-pg -DCMAKE_SHARED_LINKER_FLAGS=-pg -DBUILD_SHARED_LIBS=OFF ..
+    make -j3
+    cd ..
+    build_gprof/bin/opj_decompress -i data/input/nonregression/kodak_2layers_lrcp.j2c -o out.tif > /dev/null
+    echo "Most CPU consuming functions:"
+    gprof build_gprof/bin/opj_decompress gmon.out | head || true
+
+    rm -rf massif.out.*
+    valgrind --tool=massif build/bin/opj_decompress -i data/input/nonregression/kodak_2layers_lrcp.j2c -o out.tif >/dev/null 2>/dev/null
+    echo ""
+    echo "Memory consumption profile:"
+    python tests/profiling/filter_massif_output.py massif.out.*
+fi
+
 exit ${OPJ_CI_RESULT}