gtk2_ardour/arprof

   1 #!/bin/sh
   2
   3 # Ardour profiler using callgrind
   4 # intended for use with the 'Dummy' backend engine.
   5 #
   6 # inspect data with kcachegrind
   7 # see http://valgrind.org/docs/manual/cl-manual.html and
   8 # http://log.fundamental-code.com/2013/09/07/profiling-realtime-code
   9
  10 TOP=`dirname "$0"`/..
  11 . $TOP/build/gtk2_ardour/ardev_common_waf.sh
  12 LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
  13 export ARDOUR_RUNNING_UNDER_VALGRIND=TRUE
  14
  15
  16 # depending on options, there can be many files (one per thread,
  17 # one per process cycle,..) dump them in a dedicated place.
  18 mkdir -p /tmp/ardour_profile/
  19
  20 ## some options to drop in
  21 #  --zero-before="ARDOUR::AudioEngine::process_callback*" \
  22 #  --dump-after="ARDOUR::AudioEngine::process_callback*" \
  23 ## and/or
  24 #  --toggle-collect="ARDOUR::AudioEngine::process_callback*" \
  25
  26 exec valgrind --tool=callgrind \
  27   --dump-instr=yes --collect-jumps=yes\
  28   --separate-threads=yes \
  29   --collect-systime=yes --collect-bus=yes \
  30   --callgrind-out-file=/tmp/ardour_profile/ardour-%p.log \
  31         --toggle-collect="ARDOUR::AudioEngine::process_callback*" \
  32   $TOP/$EXECUTABLE --novst "$@"