3 if [ -x /usr/bin/perf_gtk -a -n "$DISPLAY" ]; then
4 # prefer GTK version under X11
5 exec /usr/bin/perf_gtk "$@"
7 if [ -x /usr/bin/perf_slang ]; then
8 # use text version if perf_gtk or $DISPLAY is not available
9 exec /usr/bin/perf_slang "$@"
11 if [ -x /usr/bin/perf_gtk ]; then
12 # fall-back to perf_gtk if no perf_slang (it can work in a terminal
14 exec /usr/bin/perf_gtk "$@"
17 echo >&2 "You need 'kernel-tools-perf-gtk' or 'kernel-tools-perf-slang' package installed!"