638af3fab7
* Improve statistics by auto gen enum Ticker & enum Histogram
1. librocksdb-sys/Makefile: Add gen_statistics and gen_statistics.bash,
make -C librocksdb-sys gen_statistics will generate 2 files:
src/statistics_enum_ticker.rs
src/statistics_enum_histogram.rs
2. In statistics.rs, we include! these 2 files and remove old hand
writing enum Tickers & enum Histograms.
3. File gen_statistics.bash is used for generating these 2 files
which is called in Makefile.
19 lines
589 B
Bash
19 lines
589 B
Bash
File=$1
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EnumType=$2
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echo "// **** DO NOT modify this file! ****"
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echo "// This file is generated by cmd:"
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echo "// gen_statistics.bash $@"
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echo "iterable_named_enum! {"
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echo " #[derive(Debug, Copy, Clone, PartialEq, Eq)]"
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echo " #[repr(u32)]"
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echo " pub enum $EnumType {"
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perl -n0e '/const std::vector<std::pair<'$EnumType's, std::string>> '$EnumType'sNameMap.*?\};/sm && print $&' $File |
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perl -n0e '
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while (/\{\s*([\w_]+)\s*,.*?"(.*?)"/smg) {
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$val = $2;
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$name = lc($1);
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$name =~ s/(\b|_)(\w)/\U$2/g;
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print " $name(\"$val\"),\n"
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}'
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echo " }"
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echo "}"
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