ardour/gtk2_ardour/arprof

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#!/bin/sh
# Ardour profiler using callgrind
# intended for use with the 'Dummy' backend engine.
#
# inspect data with kcachegrind
# see http://valgrind.org/docs/manual/cl-manual.html and
# http://log.fundamental-code.com/2013/09/07/profiling-realtime-code
TOP=`dirname "$0"`/..
. $TOP/build/gtk2_ardour/ardev_common_waf.sh
LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
export ARDOUR_RUNNING_UNDER_VALGRIND=TRUE
# depending on options, there can be many files (one per thread,
# one per process cycle,..) dump them in a dedicated place.
mkdir -p /tmp/ardour_profile/
## some options to drop in
# --zero-before="ARDOUR::AudioEngine::process_callback*" \
# --dump-after="ARDOUR::AudioEngine::process_callback*" \
## and/or
# --toggle-collect="ARDOUR::AudioEngine::process_callback*" \
exec valgrind --tool=callgrind \
--dump-instr=yes --collect-jumps=yes\
--separate-threads=yes \
--collect-systime=yes --collect-bus=yes \
--callgrind-out-file=/tmp/ardour_profile/ardour-%p.log \
--toggle-collect="ARDOUR::AudioEngine::process_callback*" \
$TOP/$EXECUTABLE "$@"