X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Farprof;h=1b66a856efad327c462e26fbd58c4b0bebdfdfa6;hb=03c4335c1e20311fedd2c61c96a01d34447bf692;hp=47c11cdb992a11ebd951521512599347b5deb533;hpb=f7f9d6fdc40248b190ec9c6e1a886261d55777ae;p=ardour.git

diff --git a/gtk2_ardour/arprof b/gtk2_ardour/arprof
index 47c11cdb99..1b66a856ef 100755
--- a/gtk2_ardour/arprof
+++ b/gtk2_ardour/arprof
@@ -1,9 +1,32 @@
 #!/bin/sh
 
-if [ gprofhelper.c -nt gprofhelper.so ] ; then 
-    echo "Recompiling gprof helper ..."
-    gcc -shared -nostdlib -fPIC gprofhelper.c -o gprofhelper.so -lpthread -ldl || exit 1
-fi
+# 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
 
-. ardev_common.sh
-LDPRELOAD=./gprofhelper.so $EXECUTABLE "$@"
+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 --novst "$@"