| #!/bin/sh |
| platform=$1 |
| LIBUNWIND=../src/.libs/libunwind.so |
| LIBUNWIND_PLAT=../src/.libs/libunwind-$platform.so |
| warmup=$(./forker 2000 /bin/true | cut -f1 -d' ') |
| |
| nsec1=$(./forker 2000 /bin/true | cut -f1 -d' ') |
| printf "\"/bin/true\"\t\t\t\t\t\t: $nsec1 nsec/execution\n" |
| |
| nsec2=$(LD_PRELOAD=$LIBUNWIND ./forker 2000 /bin/true | cut -f1 -d' ') |
| printf "\"LD_PRELOAD=$LIBUNWIND /bin/true\"\t: $nsec2 nsec/execution\n" |
| |
| nsec3=$(LD_PRELOAD=$LIBUNWIND_PLAT ./forker 2000 /bin/true | cut -f1 -d' ') |
| printf "\"LD_PRELOAD=$LIBUNWIND_PLAT /bin/true\"\t: $nsec3 nsec/execution\n" |
| |
| echo |
| |
| printf "Overhead of preloading $LIBUNWIND\t: $(($nsec2 - $nsec1)) nsec\n" |
| printf "Overhead of preloading $LIBUNWIND_PLAT\t: $(($nsec3 - $nsec1)) nsec\n" |