28 lines
566 B
Bash
28 lines
566 B
Bash
alias perf-rec='perf record -g -e cpu-cycles -p'
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alias perf-rep='perf report'
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perf-dat() {
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perf script | stackcollapse-perf.pl > "$1"
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}
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flamegraph() {
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local perf_name="${1:-pdat}"
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[[ -f perf.data ]] || {
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echo "perf.data not found" >&2
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return 1
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}
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mkdir -p img
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perf-dat "$perf_name" &&
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flamegraph.pl "$perf_name" > "img/$perf_name.svg"
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}
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flamegraph-diff() {
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if [[ -f "$1" && -f "$2" ]]; then
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mkdir -p img
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difffolded.pl "$1" "$2" |
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flamegraph.pl > "img/perf-diff-$1-$2.svg"
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fi
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}
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