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https://github.com/tobast/libunwind-eh_elf.git
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56f07a8e55
echo arguments are not portable, so use printf when we need to print tabs or newlines.
19 lines
727 B
Bash
Executable file
19 lines
727 B
Bash
Executable file
#!/bin/sh
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platform=$1
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LIBUNWIND=../src/.libs/libunwind.so
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LIBUNWIND_PLAT=../src/.libs/libunwind-$platform.so
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warmup=$(./forker 2000 /bin/true | cut -f1 -d' ')
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nsec1=$(./forker 2000 /bin/true | cut -f1 -d' ')
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printf "\"/bin/true\"\t\t\t\t\t\t: $nsec1 nsec/execution\n"
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nsec2=$(LD_PRELOAD=$LIBUNWIND ./forker 2000 /bin/true | cut -f1 -d' ')
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printf "\"LD_PRELOAD=$LIBUNWIND /bin/true\"\t: $nsec2 nsec/execution\n"
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nsec3=$(LD_PRELOAD=$LIBUNWIND_PLAT ./forker 2000 /bin/true | cut -f1 -d' ')
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printf "\"LD_PRELOAD=$LIBUNWIND_PLAT /bin/true\"\t: $nsec3 nsec/execution\n"
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echo
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printf "Overhead of preloading $LIBUNWIND\t: $(($nsec2 - $nsec1)) nsec\n"
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printf "Overhead of preloading $LIBUNWIND_PLAT\t: $(($nsec3 - $nsec1)) nsec\n"
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