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#!/bin/bash
test -z "$EUID" && EUID=$(id -u)
if [ "$EUID" -ne 0 ]
then
echo "You have to be root to run perf!"
exit 1
fi
# Get number of logical processor cores
if command -v getconf >/dev/null 2>&1
then
CPU_COUNT="$(getconf _NPROCESSORS_ONLN 2>/dev/null || getconf NPROCESSORS_ONLN 2>/dev/null)" || CPU_COUNT="0"
fi
if [ "$CPU_COUNT" -eq 0 ]
then
if command -v nproc >/dev/null 2>&1
then
CPU_COUNT="$(nproc 2>/dev/null)" || CPU_COUNT="0"
fi
fi
test "$CPU_COUNT" -eq 0 && CPU_COUNT=1
SAVE_DIR="$PWD"
cd .. || exit
make distclean
./configure --prefix="/usr" CXXFLAGS="-O3 -fno-omit-frame-pointer"
make -j$JOBS
cd "$SAVE_DIR"
echo 0 > /proc/sys/kernel/kptr_restrict
if [ $# -gt 0 ]
then
LD_LIBRARY_PATH="../final/.libs/" perf record -g "$@"
else
EXECUTABLE_FILE="../examples/.libs/ui"
LD_LIBRARY_PATH="../final/.libs/" perf record -g "$EXECUTABLE_FILE"
fi
perf report -g 'graph,0.5,caller'
rm -f perf.data perf.data.old 2>/dev/null
cd .. || exit
make distclean
cd "$SAVE_DIR"
|
