1
0
Fork 0
mirror of https://github.com/tobast/libunwind-eh_elf.git synced 2024-12-22 19:43:42 +01:00
libunwind-eh_elf/tests/perf-startup
Tommi Rantala 56f07a8e55 Stop using nonportable echo arguments in tests
echo arguments are not portable, so use printf when we need to print
tabs or newlines.
2012-08-21 22:30:46 +03:00

19 lines
727 B
Bash
Executable file

#!/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"