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maxjivi05
8cfd54a739
Preload library answers stat/open/access/readlink in-process via a trampoline page proot 0014 lets through seccomp. On by default with a Performance toggle; also sets GLIBC_TUNABLES rseq=0 and malloc top_pad.
27 lines
1.3 KiB
Bash
27 lines
1.3 KiB
Bash
#!/system/bin/sh
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# workloads: direct glibc (patched PT_INTERP) vs proot variants
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D=/data/local/tmp/dd; cd $D
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t() { local s=$(date +%s%N); "$@" >/dev/null 2>&1; local e=$(date +%s%N); echo $(( (e - s) / 1000000 )); }
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base() { t ./run.sh $1 /usr/bin/true; }
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W1='import json,email.parser,http.client,asyncio,decimal,sqlite3,argparse,subprocess,logging,xml.etree.ElementTree'
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for v in direct vanilla fpoff fastpath; do
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input keyevent KEYCODE_WAKEUP
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for rep in 1 2 3; do
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if [ $v = direct ]; then
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export LD_LIBRARY_PATH=$D/mini/usr/lib PYTHONHOME=$D/mini/usr PYTHONDONTWRITEBYTECODE=1
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a=$(t $D/dbin/python3.14 -c "$W1")
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b=$(t $D/dbin/find $D/mini/usr/lib/python3.14 -type f)
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c=$(t $D/dbin/bash -c "for i in \$($D/dbin/seq 200); do $D/dbin/true; done")
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d=$(t $D/dbin/tar cf /dev/null $D/mini/usr/lib/python3.14)
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unset LD_LIBRARY_PATH PYTHONHOME
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else
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a=$(t ./run.sh $v /usr/bin/env PYTHONDONTWRITEBYTECODE=1 /usr/bin/python3.14 -c "$W1")
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b=$(t ./run.sh $v /usr/bin/find /usr/lib/python3.14 -type f)
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c=$(t ./run.sh $v /usr/bin/bash -c 'for i in $(seq 200); do /usr/bin/true; done')
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d=$(t ./run.sh $v /usr/bin/tar cf /dev/null /usr/lib/python3.14)
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fi
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[ $v = direct ] && z=0 || z=$(base $v)
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echo "$v rep$rep: proot-start=${z}ms python-imports=${a}ms find-8k-files=${b}ms 200x-exec=${c}ms tar-80MB=${d}ms"
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done
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done
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